wt adrb2 tango plasmid Search Results


98
Thermo Fisher gene exp adrb2 hs00240532 s1
βAR activation results in increased cellular force generation (A) Schematic illustration showing the traction force microscopy (TFM) assays. (i) TFM-Pillars Assay. Gold disks (yellow) are embedded on top of polydimethylsiloxane (PDMS) pillars to facilitate imaging lateral displacements due to cellular traction forces. (ii) TFM-Beads Assay. Gold nanoparticles (yellow) are embedded in a PDMS matrix to facilitate imaging lateral displacements due to cellular traction forces. (B) Representative images of MDA-MB-231 HM cells on micropillars with superimposed vector force map. Color scale indicates the force per pillar. Scale, 4 μm. (C) Traction forces of MDA-MB-231 HM cells using TFM-Pillars assay after treatment for 24 h with: vehicle, Veh; βAR agonist isoproterenol, Iso (100 nM); βAR antagonist propranolol, Pro (10 μM); or 100 nM Iso and 10 μM Pro. Each dot represents an individual pillar from at least 16 single cells across 3 independent experiments. Bars show the median; error bars represent standard error. (D) Representative images from traction force measurements of TNBC and MCF10A cells treated with isoproterenol (Iso) for 24 h using the TFM-Beads assay. Each arrow indicates the direction of force and the color gradient corresponds to the magnitude of stress. Scale: 10 μm. (E) Quantification of traction forces. Each data point represents the average traction force per bead for an individual cell, which is averaged over multiple beads that are within the boundary of each individual cell. Data shown here represent at least 7 individual cells across 3 independent experiments. Bars show the median; error bars represent standard error. (F) Western blotting against mono-phosphorylated myosin light chain 2 (pMLC2), non-phosphorylated MLC2, and GAPDH from MDA-MB-231 HM cells treated with 100 nM of isoproterenol for up to 48 h. Quantification of band intensity for pMLC2/MLC2 was normalized to 0 h sample. (G) Western blotting against di-phosphorylated MLC2 (ppMLC2), non-phosphorylated MLC2, and GAPDH after MDA-MB-231 HM cells were treated with increasing concentrations of isoproterenol for 2 h. The ratio of ppMLC2 to MLC2 was normalized to vehicle control. (H) Expression levels of <t>ADRB2</t> transcripts in TNBC, MCF10A, and MCF7 cells measured by qRT-PCR. Images in (A) are adapted from Servier Medical Art by Servier and are published a Creative Commons BY license ( https://creativecommons.org/licenses/by-nc/3.0/ ). Unless otherwise stated, all error bars represent mean ± s.e.m ( N = 3). ∗ p < 0.05; ∗∗ p < 0.01; ∗∗∗ p < 0.001 [one-way ANOVA with Tukey’s test (F–H) and statistical significance in (C and E) is determined using a permutation test to evaluate the difference in medians between control and treatment conditions. ∗ p < 0.05].
Gene Exp Adrb2 Hs00240532 S1, supplied by Thermo Fisher, used in various techniques. Bioz Stars score: 98/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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gene exp adrb2 hs00240532 s1 - by Bioz Stars, 2026-03
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Addgene inc adrb2 tango
βAR activation results in increased cellular force generation (A) Schematic illustration showing the traction force microscopy (TFM) assays. (i) TFM-Pillars Assay. Gold disks (yellow) are embedded on top of polydimethylsiloxane (PDMS) pillars to facilitate imaging lateral displacements due to cellular traction forces. (ii) TFM-Beads Assay. Gold nanoparticles (yellow) are embedded in a PDMS matrix to facilitate imaging lateral displacements due to cellular traction forces. (B) Representative images of MDA-MB-231 HM cells on micropillars with superimposed vector force map. Color scale indicates the force per pillar. Scale, 4 μm. (C) Traction forces of MDA-MB-231 HM cells using TFM-Pillars assay after treatment for 24 h with: vehicle, Veh; βAR agonist isoproterenol, Iso (100 nM); βAR antagonist propranolol, Pro (10 μM); or 100 nM Iso and 10 μM Pro. Each dot represents an individual pillar from at least 16 single cells across 3 independent experiments. Bars show the median; error bars represent standard error. (D) Representative images from traction force measurements of TNBC and MCF10A cells treated with isoproterenol (Iso) for 24 h using the TFM-Beads assay. Each arrow indicates the direction of force and the color gradient corresponds to the magnitude of stress. Scale: 10 μm. (E) Quantification of traction forces. Each data point represents the average traction force per bead for an individual cell, which is averaged over multiple beads that are within the boundary of each individual cell. Data shown here represent at least 7 individual cells across 3 independent experiments. Bars show the median; error bars represent standard error. (F) Western blotting against mono-phosphorylated myosin light chain 2 (pMLC2), non-phosphorylated MLC2, and GAPDH from MDA-MB-231 HM cells treated with 100 nM of isoproterenol for up to 48 h. Quantification of band intensity for pMLC2/MLC2 was normalized to 0 h sample. (G) Western blotting against di-phosphorylated MLC2 (ppMLC2), non-phosphorylated MLC2, and GAPDH after MDA-MB-231 HM cells were treated with increasing concentrations of isoproterenol for 2 h. The ratio of ppMLC2 to MLC2 was normalized to vehicle control. (H) Expression levels of <t>ADRB2</t> transcripts in TNBC, MCF10A, and MCF7 cells measured by qRT-PCR. Images in (A) are adapted from Servier Medical Art by Servier and are published a Creative Commons BY license ( https://creativecommons.org/licenses/by-nc/3.0/ ). Unless otherwise stated, all error bars represent mean ± s.e.m ( N = 3). ∗ p < 0.05; ∗∗ p < 0.01; ∗∗∗ p < 0.001 [one-way ANOVA with Tukey’s test (F–H) and statistical significance in (C and E) is determined using a permutation test to evaluate the difference in medians between control and treatment conditions. ∗ p < 0.05].
Adrb2 Tango, supplied by Addgene inc, used in various techniques. Bioz Stars score: 92/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Addgene inc px330
βAR activation results in increased cellular force generation (A) Schematic illustration showing the traction force microscopy (TFM) assays. (i) TFM-Pillars Assay. Gold disks (yellow) are embedded on top of polydimethylsiloxane (PDMS) pillars to facilitate imaging lateral displacements due to cellular traction forces. (ii) TFM-Beads Assay. Gold nanoparticles (yellow) are embedded in a PDMS matrix to facilitate imaging lateral displacements due to cellular traction forces. (B) Representative images of MDA-MB-231 HM cells on micropillars with superimposed vector force map. Color scale indicates the force per pillar. Scale, 4 μm. (C) Traction forces of MDA-MB-231 HM cells using TFM-Pillars assay after treatment for 24 h with: vehicle, Veh; βAR agonist isoproterenol, Iso (100 nM); βAR antagonist propranolol, Pro (10 μM); or 100 nM Iso and 10 μM Pro. Each dot represents an individual pillar from at least 16 single cells across 3 independent experiments. Bars show the median; error bars represent standard error. (D) Representative images from traction force measurements of TNBC and MCF10A cells treated with isoproterenol (Iso) for 24 h using the TFM-Beads assay. Each arrow indicates the direction of force and the color gradient corresponds to the magnitude of stress. Scale: 10 μm. (E) Quantification of traction forces. Each data point represents the average traction force per bead for an individual cell, which is averaged over multiple beads that are within the boundary of each individual cell. Data shown here represent at least 7 individual cells across 3 independent experiments. Bars show the median; error bars represent standard error. (F) Western blotting against mono-phosphorylated myosin light chain 2 (pMLC2), non-phosphorylated MLC2, and GAPDH from MDA-MB-231 HM cells treated with 100 nM of isoproterenol for up to 48 h. Quantification of band intensity for pMLC2/MLC2 was normalized to 0 h sample. (G) Western blotting against di-phosphorylated MLC2 (ppMLC2), non-phosphorylated MLC2, and GAPDH after MDA-MB-231 HM cells were treated with increasing concentrations of isoproterenol for 2 h. The ratio of ppMLC2 to MLC2 was normalized to vehicle control. (H) Expression levels of <t>ADRB2</t> transcripts in TNBC, MCF10A, and MCF7 cells measured by qRT-PCR. Images in (A) are adapted from Servier Medical Art by Servier and are published a Creative Commons BY license ( https://creativecommons.org/licenses/by-nc/3.0/ ). Unless otherwise stated, all error bars represent mean ± s.e.m ( N = 3). ∗ p < 0.05; ∗∗ p < 0.01; ∗∗∗ p < 0.001 [one-way ANOVA with Tukey’s test (F–H) and statistical significance in (C and E) is determined using a permutation test to evaluate the difference in medians between control and treatment conditions. ∗ p < 0.05].
Px330, supplied by Addgene inc, used in various techniques. Bioz Stars score: 94/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Biomol GmbH plasmid pbabesaclac2-fap-adrb2
βAR activation results in increased cellular force generation (A) Schematic illustration showing the traction force microscopy (TFM) assays. (i) TFM-Pillars Assay. Gold disks (yellow) are embedded on top of polydimethylsiloxane (PDMS) pillars to facilitate imaging lateral displacements due to cellular traction forces. (ii) TFM-Beads Assay. Gold nanoparticles (yellow) are embedded in a PDMS matrix to facilitate imaging lateral displacements due to cellular traction forces. (B) Representative images of MDA-MB-231 HM cells on micropillars with superimposed vector force map. Color scale indicates the force per pillar. Scale, 4 μm. (C) Traction forces of MDA-MB-231 HM cells using TFM-Pillars assay after treatment for 24 h with: vehicle, Veh; βAR agonist isoproterenol, Iso (100 nM); βAR antagonist propranolol, Pro (10 μM); or 100 nM Iso and 10 μM Pro. Each dot represents an individual pillar from at least 16 single cells across 3 independent experiments. Bars show the median; error bars represent standard error. (D) Representative images from traction force measurements of TNBC and MCF10A cells treated with isoproterenol (Iso) for 24 h using the TFM-Beads assay. Each arrow indicates the direction of force and the color gradient corresponds to the magnitude of stress. Scale: 10 μm. (E) Quantification of traction forces. Each data point represents the average traction force per bead for an individual cell, which is averaged over multiple beads that are within the boundary of each individual cell. Data shown here represent at least 7 individual cells across 3 independent experiments. Bars show the median; error bars represent standard error. (F) Western blotting against mono-phosphorylated myosin light chain 2 (pMLC2), non-phosphorylated MLC2, and GAPDH from MDA-MB-231 HM cells treated with 100 nM of isoproterenol for up to 48 h. Quantification of band intensity for pMLC2/MLC2 was normalized to 0 h sample. (G) Western blotting against di-phosphorylated MLC2 (ppMLC2), non-phosphorylated MLC2, and GAPDH after MDA-MB-231 HM cells were treated with increasing concentrations of isoproterenol for 2 h. The ratio of ppMLC2 to MLC2 was normalized to vehicle control. (H) Expression levels of <t>ADRB2</t> transcripts in TNBC, MCF10A, and MCF7 cells measured by qRT-PCR. Images in (A) are adapted from Servier Medical Art by Servier and are published a Creative Commons BY license ( https://creativecommons.org/licenses/by-nc/3.0/ ). Unless otherwise stated, all error bars represent mean ± s.e.m ( N = 3). ∗ p < 0.05; ∗∗ p < 0.01; ∗∗∗ p < 0.001 [one-way ANOVA with Tukey’s test (F–H) and statistical significance in (C and E) is determined using a permutation test to evaluate the difference in medians between control and treatment conditions. ∗ p < 0.05].
Plasmid Pbabesaclac2 Fap Adrb2, supplied by Biomol GmbH, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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86
New England Biolabs psnapf adrb2 plasmid
βAR activation results in increased cellular force generation (A) Schematic illustration showing the traction force microscopy (TFM) assays. (i) TFM-Pillars Assay. Gold disks (yellow) are embedded on top of polydimethylsiloxane (PDMS) pillars to facilitate imaging lateral displacements due to cellular traction forces. (ii) TFM-Beads Assay. Gold nanoparticles (yellow) are embedded in a PDMS matrix to facilitate imaging lateral displacements due to cellular traction forces. (B) Representative images of MDA-MB-231 HM cells on micropillars with superimposed vector force map. Color scale indicates the force per pillar. Scale, 4 μm. (C) Traction forces of MDA-MB-231 HM cells using TFM-Pillars assay after treatment for 24 h with: vehicle, Veh; βAR agonist isoproterenol, Iso (100 nM); βAR antagonist propranolol, Pro (10 μM); or 100 nM Iso and 10 μM Pro. Each dot represents an individual pillar from at least 16 single cells across 3 independent experiments. Bars show the median; error bars represent standard error. (D) Representative images from traction force measurements of TNBC and MCF10A cells treated with isoproterenol (Iso) for 24 h using the TFM-Beads assay. Each arrow indicates the direction of force and the color gradient corresponds to the magnitude of stress. Scale: 10 μm. (E) Quantification of traction forces. Each data point represents the average traction force per bead for an individual cell, which is averaged over multiple beads that are within the boundary of each individual cell. Data shown here represent at least 7 individual cells across 3 independent experiments. Bars show the median; error bars represent standard error. (F) Western blotting against mono-phosphorylated myosin light chain 2 (pMLC2), non-phosphorylated MLC2, and GAPDH from MDA-MB-231 HM cells treated with 100 nM of isoproterenol for up to 48 h. Quantification of band intensity for pMLC2/MLC2 was normalized to 0 h sample. (G) Western blotting against di-phosphorylated MLC2 (ppMLC2), non-phosphorylated MLC2, and GAPDH after MDA-MB-231 HM cells were treated with increasing concentrations of isoproterenol for 2 h. The ratio of ppMLC2 to MLC2 was normalized to vehicle control. (H) Expression levels of <t>ADRB2</t> transcripts in TNBC, MCF10A, and MCF7 cells measured by qRT-PCR. Images in (A) are adapted from Servier Medical Art by Servier and are published a Creative Commons BY license ( https://creativecommons.org/licenses/by-nc/3.0/ ). Unless otherwise stated, all error bars represent mean ± s.e.m ( N = 3). ∗ p < 0.05; ∗∗ p < 0.01; ∗∗∗ p < 0.001 [one-way ANOVA with Tukey’s test (F–H) and statistical significance in (C and E) is determined using a permutation test to evaluate the difference in medians between control and treatment conditions. ∗ p < 0.05].
Psnapf Adrb2 Plasmid, supplied by New England Biolabs, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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93
Addgene inc length adrb2 gene p adrb2
(A) qRT-PCR analysis of <t>ADRB2</t> in stably transfected LNCaP cells, shADRB2-1, shADRB2-2 and shADRB2-3, and negative control cells, shCtrl. A representative experiment with triplicates is shown. (B) qRT-PCR analysis of miR-196a in stably transfected LNCaP cells, shADRB2-1, shADRB2-2 and shADRB2-3, and negative control cells, shCtrl. (C) qRT-PCR analysis of ADRB2 in shADRB2-2 cells transfected with a plasmid overexpressing ADRB2 (shADRB2-2 p-ADRB2) and negative control cells (shADRB2-2 p-Empty). (D) qRT-PCR analysis of miR-196a in shADRB2-2 cells transfected with a plasmid overexpressing ADRB2 (shADRB2-2 p-ADRB2) and negative control cells (shADRB2-2 p-Empty). (E) qRT-PCR analysis of miR-196a in LNCaP Ctrl cells treated with different β-blockers or vehicle for 48 hours. The experiments were performed three times and a representative experiment showing the mean ± standard deviation of three replicates is presented in the figure. miR-196a expression was normalized to the reference gene miR-16-5p. The ADRB2 mRNA levels were normalized to the reference gene ALAS1.
Length Adrb2 Gene P Adrb2, supplied by Addgene inc, used in various techniques. Bioz Stars score: 93/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Addgene inc myc esyt1 66833 efgp esyt1 66830 flag adbr2 14697 gfp mapper 117721
( A ) Experimental design: BioID2-fusion constructs of wild-type (WT) or mutant (H543R/T545A) GPR133 were overexpressed in HEK293T cells. Following treatment with biotin, biotinylated proteins were purified using Neutravidin beads. Purified proteins were analyzed by mass spectrometry. ( B ) Top 30 biotinylated proteins with statistically equivalent detection in the two experimental conditions were ranked based on their mean MS intensity. <t>ESYT1</t> (arrow) shows the highest intensity of all biotinylated proteins in close proximity to GPR133, independent on GPR133 cleavage and signaling. Gβ subunits are also identified (red box). ( C ) Structure and function of ESYT1. ( Ci ) Structural domains of ESYT1. ( Cii ) ESYT1 dimers form ER-PM tethers in response to elevations in cytosolic Ca 2+ . ( D ) Co-purification confirms binding of ESYT1 to TwinStrep-tagged GPR133, both WT and the uncleavable H543R mutant. ( Di ) Input samples: Whole cell lysates of HEK293T cells expressing wild-type GPR133 or the cleavage-deficient mutant GPR133 (H543R) with a C-terminal TwinStrep-tag following transfection with ESYT1. ( Dii ) Elution samples following Strep-Tactin purification. WB, Western blot; C-term, antibody against the cytosolic C-terminus of GPR133.
Myc Esyt1 66833 Efgp Esyt1 66830 Flag Adbr2 14697 Gfp Mapper 117721, supplied by Addgene inc, used in various techniques. Bioz Stars score: 92/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Addgene inc pcdna3 adrb2
( A ) Experimental design: BioID2-fusion constructs of wild-type (WT) or mutant (H543R/T545A) GPR133 were overexpressed in HEK293T cells. Following treatment with biotin, biotinylated proteins were purified using Neutravidin beads. Purified proteins were analyzed by mass spectrometry. ( B ) Top 30 biotinylated proteins with statistically equivalent detection in the two experimental conditions were ranked based on their mean MS intensity. <t>ESYT1</t> (arrow) shows the highest intensity of all biotinylated proteins in close proximity to GPR133, independent on GPR133 cleavage and signaling. Gβ subunits are also identified (red box). ( C ) Structure and function of ESYT1. ( Ci ) Structural domains of ESYT1. ( Cii ) ESYT1 dimers form ER-PM tethers in response to elevations in cytosolic Ca 2+ . ( D ) Co-purification confirms binding of ESYT1 to TwinStrep-tagged GPR133, both WT and the uncleavable H543R mutant. ( Di ) Input samples: Whole cell lysates of HEK293T cells expressing wild-type GPR133 or the cleavage-deficient mutant GPR133 (H543R) with a C-terminal TwinStrep-tag following transfection with ESYT1. ( Dii ) Elution samples following Strep-Tactin purification. WB, Western blot; C-term, antibody against the cytosolic C-terminus of GPR133.
Pcdna3 Adrb2, supplied by Addgene inc, used in various techniques. Bioz Stars score: 93/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Addgene inc addgene plasmid psnapf adrb2 addgene plasmid
( A ) Experimental design: BioID2-fusion constructs of wild-type (WT) or mutant (H543R/T545A) GPR133 were overexpressed in HEK293T cells. Following treatment with biotin, biotinylated proteins were purified using Neutravidin beads. Purified proteins were analyzed by mass spectrometry. ( B ) Top 30 biotinylated proteins with statistically equivalent detection in the two experimental conditions were ranked based on their mean MS intensity. <t>ESYT1</t> (arrow) shows the highest intensity of all biotinylated proteins in close proximity to GPR133, independent on GPR133 cleavage and signaling. Gβ subunits are also identified (red box). ( C ) Structure and function of ESYT1. ( Ci ) Structural domains of ESYT1. ( Cii ) ESYT1 dimers form ER-PM tethers in response to elevations in cytosolic Ca 2+ . ( D ) Co-purification confirms binding of ESYT1 to TwinStrep-tagged GPR133, both WT and the uncleavable H543R mutant. ( Di ) Input samples: Whole cell lysates of HEK293T cells expressing wild-type GPR133 or the cleavage-deficient mutant GPR133 (H543R) with a C-terminal TwinStrep-tag following transfection with ESYT1. ( Dii ) Elution samples following Strep-Tactin purification. WB, Western blot; C-term, antibody against the cytosolic C-terminus of GPR133.
Addgene Plasmid Psnapf Adrb2 Addgene Plasmid, supplied by Addgene inc, used in various techniques. Bioz Stars score: 93/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Addgene inc sigma aldrich sic001 plasmid p6596 mscv ip n ha adrb2 addgene plasmid
( A ) Experimental design: BioID2-fusion constructs of wild-type (WT) or mutant (H543R/T545A) GPR133 were overexpressed in HEK293T cells. Following treatment with biotin, biotinylated proteins were purified using Neutravidin beads. Purified proteins were analyzed by mass spectrometry. ( B ) Top 30 biotinylated proteins with statistically equivalent detection in the two experimental conditions were ranked based on their mean MS intensity. <t>ESYT1</t> (arrow) shows the highest intensity of all biotinylated proteins in close proximity to GPR133, independent on GPR133 cleavage and signaling. Gβ subunits are also identified (red box). ( C ) Structure and function of ESYT1. ( Ci ) Structural domains of ESYT1. ( Cii ) ESYT1 dimers form ER-PM tethers in response to elevations in cytosolic Ca 2+ . ( D ) Co-purification confirms binding of ESYT1 to TwinStrep-tagged GPR133, both WT and the uncleavable H543R mutant. ( Di ) Input samples: Whole cell lysates of HEK293T cells expressing wild-type GPR133 or the cleavage-deficient mutant GPR133 (H543R) with a C-terminal TwinStrep-tag following transfection with ESYT1. ( Dii ) Elution samples following Strep-Tactin purification. WB, Western blot; C-term, antibody against the cytosolic C-terminus of GPR133.
Sigma Aldrich Sic001 Plasmid P6596 Mscv Ip N Ha Adrb2 Addgene Plasmid, supplied by Addgene inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Addgene inc hm3d addgene 45547 kord addgene 65417 cxcr4 addgene 66262 lpar1 addgene 66418 nmbr addgene 66445 adrb2 addgene 66220 trhr cdna resource center
( A ) Experimental design: BioID2-fusion constructs of wild-type (WT) or mutant (H543R/T545A) GPR133 were overexpressed in HEK293T cells. Following treatment with biotin, biotinylated proteins were purified using Neutravidin beads. Purified proteins were analyzed by mass spectrometry. ( B ) Top 30 biotinylated proteins with statistically equivalent detection in the two experimental conditions were ranked based on their mean MS intensity. <t>ESYT1</t> (arrow) shows the highest intensity of all biotinylated proteins in close proximity to GPR133, independent on GPR133 cleavage and signaling. Gβ subunits are also identified (red box). ( C ) Structure and function of ESYT1. ( Ci ) Structural domains of ESYT1. ( Cii ) ESYT1 dimers form ER-PM tethers in response to elevations in cytosolic Ca 2+ . ( D ) Co-purification confirms binding of ESYT1 to TwinStrep-tagged GPR133, both WT and the uncleavable H543R mutant. ( Di ) Input samples: Whole cell lysates of HEK293T cells expressing wild-type GPR133 or the cleavage-deficient mutant GPR133 (H543R) with a C-terminal TwinStrep-tag following transfection with ESYT1. ( Dii ) Elution samples following Strep-Tactin purification. WB, Western blot; C-term, antibody against the cytosolic C-terminus of GPR133.
Hm3d Addgene 45547 Kord Addgene 65417 Cxcr4 Addgene 66262 Lpar1 Addgene 66418 Nmbr Addgene 66445 Adrb2 Addgene 66220 Trhr Cdna Resource Center, supplied by Addgene inc, used in various techniques. Bioz Stars score: 93/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Addgene inc flag adrb2 mng
( A ) Experimental design: BioID2-fusion constructs of wild-type (WT) or mutant (H543R/T545A) GPR133 were overexpressed in HEK293T cells. Following treatment with biotin, biotinylated proteins were purified using Neutravidin beads. Purified proteins were analyzed by mass spectrometry. ( B ) Top 30 biotinylated proteins with statistically equivalent detection in the two experimental conditions were ranked based on their mean MS intensity. <t>ESYT1</t> (arrow) shows the highest intensity of all biotinylated proteins in close proximity to GPR133, independent on GPR133 cleavage and signaling. Gβ subunits are also identified (red box). ( C ) Structure and function of ESYT1. ( Ci ) Structural domains of ESYT1. ( Cii ) ESYT1 dimers form ER-PM tethers in response to elevations in cytosolic Ca 2+ . ( D ) Co-purification confirms binding of ESYT1 to TwinStrep-tagged GPR133, both WT and the uncleavable H543R mutant. ( Di ) Input samples: Whole cell lysates of HEK293T cells expressing wild-type GPR133 or the cleavage-deficient mutant GPR133 (H543R) with a C-terminal TwinStrep-tag following transfection with ESYT1. ( Dii ) Elution samples following Strep-Tactin purification. WB, Western blot; C-term, antibody against the cytosolic C-terminus of GPR133.
Flag Adrb2 Mng, supplied by Addgene inc, used in various techniques. Bioz Stars score: 93/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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flag adrb2 mng - by Bioz Stars, 2026-03
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βAR activation results in increased cellular force generation (A) Schematic illustration showing the traction force microscopy (TFM) assays. (i) TFM-Pillars Assay. Gold disks (yellow) are embedded on top of polydimethylsiloxane (PDMS) pillars to facilitate imaging lateral displacements due to cellular traction forces. (ii) TFM-Beads Assay. Gold nanoparticles (yellow) are embedded in a PDMS matrix to facilitate imaging lateral displacements due to cellular traction forces. (B) Representative images of MDA-MB-231 HM cells on micropillars with superimposed vector force map. Color scale indicates the force per pillar. Scale, 4 μm. (C) Traction forces of MDA-MB-231 HM cells using TFM-Pillars assay after treatment for 24 h with: vehicle, Veh; βAR agonist isoproterenol, Iso (100 nM); βAR antagonist propranolol, Pro (10 μM); or 100 nM Iso and 10 μM Pro. Each dot represents an individual pillar from at least 16 single cells across 3 independent experiments. Bars show the median; error bars represent standard error. (D) Representative images from traction force measurements of TNBC and MCF10A cells treated with isoproterenol (Iso) for 24 h using the TFM-Beads assay. Each arrow indicates the direction of force and the color gradient corresponds to the magnitude of stress. Scale: 10 μm. (E) Quantification of traction forces. Each data point represents the average traction force per bead for an individual cell, which is averaged over multiple beads that are within the boundary of each individual cell. Data shown here represent at least 7 individual cells across 3 independent experiments. Bars show the median; error bars represent standard error. (F) Western blotting against mono-phosphorylated myosin light chain 2 (pMLC2), non-phosphorylated MLC2, and GAPDH from MDA-MB-231 HM cells treated with 100 nM of isoproterenol for up to 48 h. Quantification of band intensity for pMLC2/MLC2 was normalized to 0 h sample. (G) Western blotting against di-phosphorylated MLC2 (ppMLC2), non-phosphorylated MLC2, and GAPDH after MDA-MB-231 HM cells were treated with increasing concentrations of isoproterenol for 2 h. The ratio of ppMLC2 to MLC2 was normalized to vehicle control. (H) Expression levels of ADRB2 transcripts in TNBC, MCF10A, and MCF7 cells measured by qRT-PCR. Images in (A) are adapted from Servier Medical Art by Servier and are published a Creative Commons BY license ( https://creativecommons.org/licenses/by-nc/3.0/ ). Unless otherwise stated, all error bars represent mean ± s.e.m ( N = 3). ∗ p < 0.05; ∗∗ p < 0.01; ∗∗∗ p < 0.001 [one-way ANOVA with Tukey’s test (F–H) and statistical significance in (C and E) is determined using a permutation test to evaluate the difference in medians between control and treatment conditions. ∗ p < 0.05].

Journal: iScience

Article Title: β-adrenergic signaling modulates breast cancer cell mechanical behaviors through a RhoA-ROCK-myosin II axis

doi: 10.1016/j.isci.2025.112676

Figure Lengend Snippet: βAR activation results in increased cellular force generation (A) Schematic illustration showing the traction force microscopy (TFM) assays. (i) TFM-Pillars Assay. Gold disks (yellow) are embedded on top of polydimethylsiloxane (PDMS) pillars to facilitate imaging lateral displacements due to cellular traction forces. (ii) TFM-Beads Assay. Gold nanoparticles (yellow) are embedded in a PDMS matrix to facilitate imaging lateral displacements due to cellular traction forces. (B) Representative images of MDA-MB-231 HM cells on micropillars with superimposed vector force map. Color scale indicates the force per pillar. Scale, 4 μm. (C) Traction forces of MDA-MB-231 HM cells using TFM-Pillars assay after treatment for 24 h with: vehicle, Veh; βAR agonist isoproterenol, Iso (100 nM); βAR antagonist propranolol, Pro (10 μM); or 100 nM Iso and 10 μM Pro. Each dot represents an individual pillar from at least 16 single cells across 3 independent experiments. Bars show the median; error bars represent standard error. (D) Representative images from traction force measurements of TNBC and MCF10A cells treated with isoproterenol (Iso) for 24 h using the TFM-Beads assay. Each arrow indicates the direction of force and the color gradient corresponds to the magnitude of stress. Scale: 10 μm. (E) Quantification of traction forces. Each data point represents the average traction force per bead for an individual cell, which is averaged over multiple beads that are within the boundary of each individual cell. Data shown here represent at least 7 individual cells across 3 independent experiments. Bars show the median; error bars represent standard error. (F) Western blotting against mono-phosphorylated myosin light chain 2 (pMLC2), non-phosphorylated MLC2, and GAPDH from MDA-MB-231 HM cells treated with 100 nM of isoproterenol for up to 48 h. Quantification of band intensity for pMLC2/MLC2 was normalized to 0 h sample. (G) Western blotting against di-phosphorylated MLC2 (ppMLC2), non-phosphorylated MLC2, and GAPDH after MDA-MB-231 HM cells were treated with increasing concentrations of isoproterenol for 2 h. The ratio of ppMLC2 to MLC2 was normalized to vehicle control. (H) Expression levels of ADRB2 transcripts in TNBC, MCF10A, and MCF7 cells measured by qRT-PCR. Images in (A) are adapted from Servier Medical Art by Servier and are published a Creative Commons BY license ( https://creativecommons.org/licenses/by-nc/3.0/ ). Unless otherwise stated, all error bars represent mean ± s.e.m ( N = 3). ∗ p < 0.05; ∗∗ p < 0.01; ∗∗∗ p < 0.001 [one-way ANOVA with Tukey’s test (F–H) and statistical significance in (C and E) is determined using a permutation test to evaluate the difference in medians between control and treatment conditions. ∗ p < 0.05].

Article Snippet: Gene transcripts were examined by RT-qPCR with a CFX96 Touch Real-Time PCR Detection System (Bio-Rad), using one-step assay reagents (Qiagen Quantitect Probe RT-PCR) and TaqMan Gene Expression Assay primer-probes for human beta-2 adrenergic receptor, i.e., ADRB2 (Hs00240532_s1 from Thermo Fisher).

Techniques: Activation Assay, Microscopy, Imaging, Plasmid Preparation, Western Blot, Control, Expressing, Quantitative RT-PCR

(A) qRT-PCR analysis of ADRB2 in stably transfected LNCaP cells, shADRB2-1, shADRB2-2 and shADRB2-3, and negative control cells, shCtrl. A representative experiment with triplicates is shown. (B) qRT-PCR analysis of miR-196a in stably transfected LNCaP cells, shADRB2-1, shADRB2-2 and shADRB2-3, and negative control cells, shCtrl. (C) qRT-PCR analysis of ADRB2 in shADRB2-2 cells transfected with a plasmid overexpressing ADRB2 (shADRB2-2 p-ADRB2) and negative control cells (shADRB2-2 p-Empty). (D) qRT-PCR analysis of miR-196a in shADRB2-2 cells transfected with a plasmid overexpressing ADRB2 (shADRB2-2 p-ADRB2) and negative control cells (shADRB2-2 p-Empty). (E) qRT-PCR analysis of miR-196a in LNCaP Ctrl cells treated with different β-blockers or vehicle for 48 hours. The experiments were performed three times and a representative experiment showing the mean ± standard deviation of three replicates is presented in the figure. miR-196a expression was normalized to the reference gene miR-16-5p. The ADRB2 mRNA levels were normalized to the reference gene ALAS1.

Journal: PLoS ONE

Article Title: Implication of β2-adrenergic receptor and miR-196a correlation in neurite outgrowth of LNCaP prostate cancer cells

doi: 10.1371/journal.pone.0253828

Figure Lengend Snippet: (A) qRT-PCR analysis of ADRB2 in stably transfected LNCaP cells, shADRB2-1, shADRB2-2 and shADRB2-3, and negative control cells, shCtrl. A representative experiment with triplicates is shown. (B) qRT-PCR analysis of miR-196a in stably transfected LNCaP cells, shADRB2-1, shADRB2-2 and shADRB2-3, and negative control cells, shCtrl. (C) qRT-PCR analysis of ADRB2 in shADRB2-2 cells transfected with a plasmid overexpressing ADRB2 (shADRB2-2 p-ADRB2) and negative control cells (shADRB2-2 p-Empty). (D) qRT-PCR analysis of miR-196a in shADRB2-2 cells transfected with a plasmid overexpressing ADRB2 (shADRB2-2 p-ADRB2) and negative control cells (shADRB2-2 p-Empty). (E) qRT-PCR analysis of miR-196a in LNCaP Ctrl cells treated with different β-blockers or vehicle for 48 hours. The experiments were performed three times and a representative experiment showing the mean ± standard deviation of three replicates is presented in the figure. miR-196a expression was normalized to the reference gene miR-16-5p. The ADRB2 mRNA levels were normalized to the reference gene ALAS1.

Article Snippet: Briefly, LNCaP shADRB2-2 cells were transfected for 48h using XtremeGene HP DNA transfection reagent (cat. no. 06366236001; Sigma, St. Louis, MO) under androgen-proficient conditions with a pcDNA3 plasmid containing the full length ADRB2 gene (p-ADRB2) (cat. no. 14697; Addgene, Watertown, MA).

Techniques: Quantitative RT-PCR, Stable Transfection, Transfection, Negative Control, Plasmid Preparation, Standard Deviation, Expressing

( A ) Experimental design: BioID2-fusion constructs of wild-type (WT) or mutant (H543R/T545A) GPR133 were overexpressed in HEK293T cells. Following treatment with biotin, biotinylated proteins were purified using Neutravidin beads. Purified proteins were analyzed by mass spectrometry. ( B ) Top 30 biotinylated proteins with statistically equivalent detection in the two experimental conditions were ranked based on their mean MS intensity. ESYT1 (arrow) shows the highest intensity of all biotinylated proteins in close proximity to GPR133, independent on GPR133 cleavage and signaling. Gβ subunits are also identified (red box). ( C ) Structure and function of ESYT1. ( Ci ) Structural domains of ESYT1. ( Cii ) ESYT1 dimers form ER-PM tethers in response to elevations in cytosolic Ca 2+ . ( D ) Co-purification confirms binding of ESYT1 to TwinStrep-tagged GPR133, both WT and the uncleavable H543R mutant. ( Di ) Input samples: Whole cell lysates of HEK293T cells expressing wild-type GPR133 or the cleavage-deficient mutant GPR133 (H543R) with a C-terminal TwinStrep-tag following transfection with ESYT1. ( Dii ) Elution samples following Strep-Tactin purification. WB, Western blot; C-term, antibody against the cytosolic C-terminus of GPR133.

Journal: bioRxiv

Article Title: Modulation of GPR133 (ADGRD1) Signaling by its Intracellular Interaction Partner Extended Synaptotagmin 1 (ESYT1)

doi: 10.1101/2023.02.09.527921

Figure Lengend Snippet: ( A ) Experimental design: BioID2-fusion constructs of wild-type (WT) or mutant (H543R/T545A) GPR133 were overexpressed in HEK293T cells. Following treatment with biotin, biotinylated proteins were purified using Neutravidin beads. Purified proteins were analyzed by mass spectrometry. ( B ) Top 30 biotinylated proteins with statistically equivalent detection in the two experimental conditions were ranked based on their mean MS intensity. ESYT1 (arrow) shows the highest intensity of all biotinylated proteins in close proximity to GPR133, independent on GPR133 cleavage and signaling. Gβ subunits are also identified (red box). ( C ) Structure and function of ESYT1. ( Ci ) Structural domains of ESYT1. ( Cii ) ESYT1 dimers form ER-PM tethers in response to elevations in cytosolic Ca 2+ . ( D ) Co-purification confirms binding of ESYT1 to TwinStrep-tagged GPR133, both WT and the uncleavable H543R mutant. ( Di ) Input samples: Whole cell lysates of HEK293T cells expressing wild-type GPR133 or the cleavage-deficient mutant GPR133 (H543R) with a C-terminal TwinStrep-tag following transfection with ESYT1. ( Dii ) Elution samples following Strep-Tactin purification. WB, Western blot; C-term, antibody against the cytosolic C-terminus of GPR133.

Article Snippet: ESYT1, ADRB2 and MAPPER cDNA plasmids were obtained from Addgene (Myc-ESYT1 #66833, EFGP-ESYT1 #66830, Flag-ADBR2 #14697, GFP-MAPPER #117721).

Techniques: Construct, Mutagenesis, Purification, Mass Spectrometry, Copurification, Binding Assay, Expressing, Transfection, Western Blot

( A-D ) ESYT1 knockdown. ( A ) Western blot confirms reduced levels of endogenous ESYT1 following its knockdown (shESYT1) compared to the control (shSCR), and stable expression of GPR133, in transduced HEK293T cells. ( B ) GPR133 surface expression is not affected by ESYT1 knockdown in ELISA assays (two-way ANOVA, p>0.05). ns, not significant; A 450 nm , absorbance/optical density at 450 nm. Bars represent mean ± SEM of 3 experiments. ( C ) Immunofluorescent staining shows no change in the subcellular localization of GPR133 following knockdown of ESYT1 compared to the control. ( D ) Intracellular cAMP levels increase significantly in GPR133 expressing HEK293T cells after knockdown of ESYT1 compared to the control (two-way ANOVA F (1,8) =503.2, p<0.0001; Sidak’s post hoc test: GPR133 + shSCR vs. GPR133 + shESYT1, p<0.0001). Bars represent mean ± SEM of 3 experiments. ( E-H ) ESYT1 knockout. ( E ) Western blot confirms reduced levels of endogenous ESYT1 following the KO compared to the control (Rosa26). Expression of GPR133 is not affected by ESYT1 KO in transfected HEK293T cells. ( F ) GPR133 surface expression does not change upon KO of ESYT1 compared to the Rosa26 control in ELISA assays (two-way ANOVA, p>0.05). Bars represent mean ± SEM of 3 experiments. ns, not significant; A 450 nm , absorbance/optical density at 450 nm. ( G ) Immunofluorescent staining of HEK293T cells transfected with GPR133 shows no change in GPR133 subcellular localization in ESYT1 KO cells compared to the control cells (Rosa26). ( H ) Significant increase of cAMP concentrations in GPR133 expressing HEK293T cells following KO of ESYT1 compared to the control (two-way ANOVA F (1,8) =10.92, p=0.0108; Sidak’s post hoc test: GPR133 + Rosa26 vs. GPR133 + ESYT1 KO, p=0.0027). Bars represent mean ± SEM of 3 experiments.

Journal: bioRxiv

Article Title: Modulation of GPR133 (ADGRD1) Signaling by its Intracellular Interaction Partner Extended Synaptotagmin 1 (ESYT1)

doi: 10.1101/2023.02.09.527921

Figure Lengend Snippet: ( A-D ) ESYT1 knockdown. ( A ) Western blot confirms reduced levels of endogenous ESYT1 following its knockdown (shESYT1) compared to the control (shSCR), and stable expression of GPR133, in transduced HEK293T cells. ( B ) GPR133 surface expression is not affected by ESYT1 knockdown in ELISA assays (two-way ANOVA, p>0.05). ns, not significant; A 450 nm , absorbance/optical density at 450 nm. Bars represent mean ± SEM of 3 experiments. ( C ) Immunofluorescent staining shows no change in the subcellular localization of GPR133 following knockdown of ESYT1 compared to the control. ( D ) Intracellular cAMP levels increase significantly in GPR133 expressing HEK293T cells after knockdown of ESYT1 compared to the control (two-way ANOVA F (1,8) =503.2, p<0.0001; Sidak’s post hoc test: GPR133 + shSCR vs. GPR133 + shESYT1, p<0.0001). Bars represent mean ± SEM of 3 experiments. ( E-H ) ESYT1 knockout. ( E ) Western blot confirms reduced levels of endogenous ESYT1 following the KO compared to the control (Rosa26). Expression of GPR133 is not affected by ESYT1 KO in transfected HEK293T cells. ( F ) GPR133 surface expression does not change upon KO of ESYT1 compared to the Rosa26 control in ELISA assays (two-way ANOVA, p>0.05). Bars represent mean ± SEM of 3 experiments. ns, not significant; A 450 nm , absorbance/optical density at 450 nm. ( G ) Immunofluorescent staining of HEK293T cells transfected with GPR133 shows no change in GPR133 subcellular localization in ESYT1 KO cells compared to the control cells (Rosa26). ( H ) Significant increase of cAMP concentrations in GPR133 expressing HEK293T cells following KO of ESYT1 compared to the control (two-way ANOVA F (1,8) =10.92, p=0.0108; Sidak’s post hoc test: GPR133 + Rosa26 vs. GPR133 + ESYT1 KO, p=0.0027). Bars represent mean ± SEM of 3 experiments.

Article Snippet: ESYT1, ADRB2 and MAPPER cDNA plasmids were obtained from Addgene (Myc-ESYT1 #66833, EFGP-ESYT1 #66830, Flag-ADBR2 #14697, GFP-MAPPER #117721).

Techniques: Knockdown, Western Blot, Control, Expressing, Enzyme-linked Immunosorbent Assay, Staining, Knock-Out, Transfection

( A-D ) ESYT1-GFP overexpression. ( A ) Western blot confirms increased ESYT1-GFP protein levels following transfection of GPR133 expressing cells. GPR133 expression levels are not affected in HEK293T cells. ( B ) GPR133 surface expression remains unchanged following overexpression of ESYT1-GFP (two-way ANOVA, p>0.05). Bars represent mean ± SEM of 4 experiments. ns, not significant; ns, not significant; A 450 nm , absorbance/optical density at 450 nm. ( C ) Immunofluorescent staining of HEK293T cells expressing GPR133 and ESYT1-GFP. The cellular distribution of GPR133 immunoreactivity is unchanged. ( D ) Intracellular cAMP levels significantly decrease in GPR133-expressing HEK293T cells following overexpression of ESYT1-GFP compared to the control (two-way ANOVA F (1,12) =7.928, p<0.0156; Sidak’s post hoc test: GPR133 + CTRL vs. GPR133 + ESYT1, p=0.0041). Bars represent mean ± SEM of 4 experiments. ns, not significant. ( E-F ) ESYT1 overexpression rescues the effect of ESYT1 knockdown in GPR133-overexpressing cells. ( E ) Western Blot confirming ESYT1 knockdown and overexpression in HEK293T cells and HEK293T cells overexpressing GPR133. Expression levels of GPR133 were not affected following knockdown or overexpression of ESYT1. ( F ) Intracellular cAMP levels of GPR133 expressing HEK293T cells are normalized to shSCR. Bars represent mean ± SEM of 4 experiments. Compared to the control (shSCR), GPR133 signaling increases significantly following transduction with shESYT1 and decreases significantly following transfection with ESYT1. ESYT1 overexpression rescues the increase in cAMP levels after ESYT1 KD (one-way ANOVA F (3,12) =24.64, p<0.0001; Tukey’s post hoc test: shSCR vs. shESYT1, p=0.0030; shSCR vs. shSCR + ESYT1, p=0.0094; shESYT1 vs. shSCR + ESYT1, p<0.0001; shESYT1 vs. shESYT1 + ESYT1, p=0.0217; shSCR + ESYT1 vs. shESYT1 + ESYT1, p=0.0014). Bars represent mean ± SEM of 4 experiments. ns, not significant.

Journal: bioRxiv

Article Title: Modulation of GPR133 (ADGRD1) Signaling by its Intracellular Interaction Partner Extended Synaptotagmin 1 (ESYT1)

doi: 10.1101/2023.02.09.527921

Figure Lengend Snippet: ( A-D ) ESYT1-GFP overexpression. ( A ) Western blot confirms increased ESYT1-GFP protein levels following transfection of GPR133 expressing cells. GPR133 expression levels are not affected in HEK293T cells. ( B ) GPR133 surface expression remains unchanged following overexpression of ESYT1-GFP (two-way ANOVA, p>0.05). Bars represent mean ± SEM of 4 experiments. ns, not significant; ns, not significant; A 450 nm , absorbance/optical density at 450 nm. ( C ) Immunofluorescent staining of HEK293T cells expressing GPR133 and ESYT1-GFP. The cellular distribution of GPR133 immunoreactivity is unchanged. ( D ) Intracellular cAMP levels significantly decrease in GPR133-expressing HEK293T cells following overexpression of ESYT1-GFP compared to the control (two-way ANOVA F (1,12) =7.928, p<0.0156; Sidak’s post hoc test: GPR133 + CTRL vs. GPR133 + ESYT1, p=0.0041). Bars represent mean ± SEM of 4 experiments. ns, not significant. ( E-F ) ESYT1 overexpression rescues the effect of ESYT1 knockdown in GPR133-overexpressing cells. ( E ) Western Blot confirming ESYT1 knockdown and overexpression in HEK293T cells and HEK293T cells overexpressing GPR133. Expression levels of GPR133 were not affected following knockdown or overexpression of ESYT1. ( F ) Intracellular cAMP levels of GPR133 expressing HEK293T cells are normalized to shSCR. Bars represent mean ± SEM of 4 experiments. Compared to the control (shSCR), GPR133 signaling increases significantly following transduction with shESYT1 and decreases significantly following transfection with ESYT1. ESYT1 overexpression rescues the increase in cAMP levels after ESYT1 KD (one-way ANOVA F (3,12) =24.64, p<0.0001; Tukey’s post hoc test: shSCR vs. shESYT1, p=0.0030; shSCR vs. shSCR + ESYT1, p=0.0094; shESYT1 vs. shSCR + ESYT1, p<0.0001; shESYT1 vs. shESYT1 + ESYT1, p=0.0217; shSCR + ESYT1 vs. shESYT1 + ESYT1, p=0.0014). Bars represent mean ± SEM of 4 experiments. ns, not significant.

Article Snippet: ESYT1, ADRB2 and MAPPER cDNA plasmids were obtained from Addgene (Myc-ESYT1 #66833, EFGP-ESYT1 #66830, Flag-ADBR2 #14697, GFP-MAPPER #117721).

Techniques: Over Expression, Western Blot, Transfection, Expressing, Staining, Control, Knockdown, Transduction

( A-B ) Effect of ESYT1 knockdown on ADRB2 signaling. ( A ) Western blot analysis of whole cell lysates detects reduced ESYT1 levels following ESYT1 knockdown in HEK293T cells. Using a Flag-antibody, ADRB2 is detected following transfection with a Flag-tagged ADRB2 construct. ( B ) Intracellular cAMP concentrations do not change in ADRB2 expressing cells following knockdown of ESYT1 compared to the shSCR control (two-way ANOVA, p>0.05). ns, not significant. ( C-D ) Measurement of cAMP levels in HEK293T cells in response to forskolin (FSK) after either ESYT1 KD ( C ) or ESYT1 overexpression ( D ). There were no significant differences in the forskolin-induced increases in cAMP due to either perturbation in ESYT1 levels (two-way ANOVAs, p>0.05). Bars represent mean ± SEM of 2–3 experiments.

Journal: bioRxiv

Article Title: Modulation of GPR133 (ADGRD1) Signaling by its Intracellular Interaction Partner Extended Synaptotagmin 1 (ESYT1)

doi: 10.1101/2023.02.09.527921

Figure Lengend Snippet: ( A-B ) Effect of ESYT1 knockdown on ADRB2 signaling. ( A ) Western blot analysis of whole cell lysates detects reduced ESYT1 levels following ESYT1 knockdown in HEK293T cells. Using a Flag-antibody, ADRB2 is detected following transfection with a Flag-tagged ADRB2 construct. ( B ) Intracellular cAMP concentrations do not change in ADRB2 expressing cells following knockdown of ESYT1 compared to the shSCR control (two-way ANOVA, p>0.05). ns, not significant. ( C-D ) Measurement of cAMP levels in HEK293T cells in response to forskolin (FSK) after either ESYT1 KD ( C ) or ESYT1 overexpression ( D ). There were no significant differences in the forskolin-induced increases in cAMP due to either perturbation in ESYT1 levels (two-way ANOVAs, p>0.05). Bars represent mean ± SEM of 2–3 experiments.

Article Snippet: ESYT1, ADRB2 and MAPPER cDNA plasmids were obtained from Addgene (Myc-ESYT1 #66833, EFGP-ESYT1 #66830, Flag-ADBR2 #14697, GFP-MAPPER #117721).

Techniques: Knockdown, Western Blot, Transfection, Construct, Expressing, Control, Over Expression

( A ) Schematic showing ESYT1 deletion mutants used in this experiment. ( B ) GPR133 surface expression in ELISA assays following transfection of control HEK293T cells and HEK293T cells stably expressing GPR133 with different ESYT1 constructs. Overexpression of ESYT1, ∆C2C, ∆C2E or ∆C2C+E did not affect GPR133 surface expression compared to the vector control (two-way ANOVA, p>0.05). Bars represent mean ± SEM of 5 to 8 experiments. A 450 nm , absorbance/optical density at 450 nm. ( C ) Intracellular cAMP levels following transfection of HEK293T cells stably expressing GPR133 with different ESYT1 wild-type or mutant constructs. Concentrations of cAMP were significantly decreased in GPR133 expressing cells after transfection with ESYT1 and ∆C2E compared to the vector control. Overexpression of ∆C2C increased cAMP levels compared to the vector control and wild-type ESYT1 in GPR133-expressing HEK293T cells (two-way ANOVA F (4,46) =9.471, p<0.0001; Sidak’s post hoc test: GPR133 + vector vs. GPR133 + ESYT1, p=0.0001; GPR133 + vector vs. GPR133 + ∆C2C, p=0.0080; GPR133 + ESYT1 vs. GPR133 + ∆C2C, p<0.0001; GPR133 + ESYT1 vs. GPR133 + ∆C2C+E, p=0.0002; GPR133 + ∆C2E vs. GPR133 + ∆C2C+E, p=0.0218). Bars represent mean ± SEM of 5 to 8 experiments. ( D ) Affinity purification analysis testing binding of different ESYT1 constructs to GPR133. Input samples represent whole cell lysates of naïve HEK293T cells and HEK293T cells stably overexpressing GPR133 transfected with ESYT1 wild-type or deletion constructs. Elution samples following Strep-Tactin purification demonstrate that ESYT1 specific bands are only detected in GPR133 expressing cells transfected with wild-type ESYT1 and ∆C2E, but not after transfection with ∆C2C or ∆C2C+E.

Journal: bioRxiv

Article Title: Modulation of GPR133 (ADGRD1) Signaling by its Intracellular Interaction Partner Extended Synaptotagmin 1 (ESYT1)

doi: 10.1101/2023.02.09.527921

Figure Lengend Snippet: ( A ) Schematic showing ESYT1 deletion mutants used in this experiment. ( B ) GPR133 surface expression in ELISA assays following transfection of control HEK293T cells and HEK293T cells stably expressing GPR133 with different ESYT1 constructs. Overexpression of ESYT1, ∆C2C, ∆C2E or ∆C2C+E did not affect GPR133 surface expression compared to the vector control (two-way ANOVA, p>0.05). Bars represent mean ± SEM of 5 to 8 experiments. A 450 nm , absorbance/optical density at 450 nm. ( C ) Intracellular cAMP levels following transfection of HEK293T cells stably expressing GPR133 with different ESYT1 wild-type or mutant constructs. Concentrations of cAMP were significantly decreased in GPR133 expressing cells after transfection with ESYT1 and ∆C2E compared to the vector control. Overexpression of ∆C2C increased cAMP levels compared to the vector control and wild-type ESYT1 in GPR133-expressing HEK293T cells (two-way ANOVA F (4,46) =9.471, p<0.0001; Sidak’s post hoc test: GPR133 + vector vs. GPR133 + ESYT1, p=0.0001; GPR133 + vector vs. GPR133 + ∆C2C, p=0.0080; GPR133 + ESYT1 vs. GPR133 + ∆C2C, p<0.0001; GPR133 + ESYT1 vs. GPR133 + ∆C2C+E, p=0.0002; GPR133 + ∆C2E vs. GPR133 + ∆C2C+E, p=0.0218). Bars represent mean ± SEM of 5 to 8 experiments. ( D ) Affinity purification analysis testing binding of different ESYT1 constructs to GPR133. Input samples represent whole cell lysates of naïve HEK293T cells and HEK293T cells stably overexpressing GPR133 transfected with ESYT1 wild-type or deletion constructs. Elution samples following Strep-Tactin purification demonstrate that ESYT1 specific bands are only detected in GPR133 expressing cells transfected with wild-type ESYT1 and ∆C2E, but not after transfection with ∆C2C or ∆C2C+E.

Article Snippet: ESYT1, ADRB2 and MAPPER cDNA plasmids were obtained from Addgene (Myc-ESYT1 #66833, EFGP-ESYT1 #66830, Flag-ADBR2 #14697, GFP-MAPPER #117721).

Techniques: Expressing, Enzyme-linked Immunosorbent Assay, Transfection, Control, Stable Transfection, Construct, Over Expression, Plasmid Preparation, Mutagenesis, Affinity Purification, Binding Assay, Purification

( A ) Confocal images of HEK293 cells stably overexpressing MAPPER-GFP (green) transfected with Myc-tagged ESYT1 wild-type and mutant constructs (red) following treatment with DMSO or 1 μM TG to increase intracellular Ca 2+ concentration. Yellow regions within the images represent overlap of MAPPER (green) and Myc-tagged ESYT1 (red), suggesting localization of ESYT1 at ER-PM junctions. The overlap is significantly more extensive following TG treatment of HEK293-MAPPER cells overexpressing wild-type ESYT1 rather than the mutant constructs. ( B-G ) Effect of intracellular Ca 2+ increases on GPR133 surface expression ( B, D, F ) and cAMP levels ( C, E, G ). ( B-C ) TG Treatment of HEK293T cells stably expressing GPR133 transfected with vector, full-length ESYT1 wild-type or the mutant D724A. Bars represent mean ± SEM of 4 to 7 experiments. ( B ) TG treatment had no effect on GPR133 surface expression in GPR133 expressing HEK293T cells transfected with vector, ESYT1 or D724A compared to treatment with DMSO (paired t-test, p>0.05). ( C ) TG treatment significantly increased cAMP levels in GPR133 expressing HEK293T cells transfected with vector and ESYT1 compared to treatment with DMSO (paired t-test, GPR133 + vector: DMSO vs TG, p=0.0210; GPR133 + ESYT1: DMSO vs TG, p=0.0189). TG treatment did not affect GPR133 signaling following transfection of D724A (paired t-test, p>0.05). ns, not significant. ( D-E ) TG Treatment of HEK293T cells transduced with shSCR or shESYT1 to knockdown ESYT1. Bars represent mean ± SEM of 4 experiments. ( D ) TG treatment did not affect GPR133 surface expression compared to treatment with DMSO in GPR133 expressing HEK293T cells transduced with shSCR or shESYT (paired t-test, p>0.05). ( E ) TG treatment significantly increased cAMP concentrations compared to treatment with DMSO in HEK293T cells overexpressing GPR133 and transduced with shSCR (paired t-test, p=0.018). TG treatment had no effect on cAMP levels compared to DMSO following overexpression of GPR133 and knockdown of ESYT1 (paired t-test, p>0.05). ns, not significant. ( F-G ) TG treatment of HEK293T cells stably expressing GPR133 transfected with ESYT1 deletion mutants ∆C2C, ∆C2E or ∆C2C+E. Bars represent mean ± SEM of 4 to 5 experiments. ( F ) Treatment with TG had no effect on GPR133 surface expression in GPR133 expressing HEK293T cells transfected with ∆C2C, ∆C2E or ∆C2C+E compared to treatment with DMSO (paired t-test, p>0.05). ( G ) TG treatment did not affect cAMP concentrations compared to treatment with DMSO in GPR133 expressing HEK293T cells transfected with ∆C2C, ∆C2E or ∆C2C+E (paired t-test, p>0.05). ns, not significant.

Journal: bioRxiv

Article Title: Modulation of GPR133 (ADGRD1) Signaling by its Intracellular Interaction Partner Extended Synaptotagmin 1 (ESYT1)

doi: 10.1101/2023.02.09.527921

Figure Lengend Snippet: ( A ) Confocal images of HEK293 cells stably overexpressing MAPPER-GFP (green) transfected with Myc-tagged ESYT1 wild-type and mutant constructs (red) following treatment with DMSO or 1 μM TG to increase intracellular Ca 2+ concentration. Yellow regions within the images represent overlap of MAPPER (green) and Myc-tagged ESYT1 (red), suggesting localization of ESYT1 at ER-PM junctions. The overlap is significantly more extensive following TG treatment of HEK293-MAPPER cells overexpressing wild-type ESYT1 rather than the mutant constructs. ( B-G ) Effect of intracellular Ca 2+ increases on GPR133 surface expression ( B, D, F ) and cAMP levels ( C, E, G ). ( B-C ) TG Treatment of HEK293T cells stably expressing GPR133 transfected with vector, full-length ESYT1 wild-type or the mutant D724A. Bars represent mean ± SEM of 4 to 7 experiments. ( B ) TG treatment had no effect on GPR133 surface expression in GPR133 expressing HEK293T cells transfected with vector, ESYT1 or D724A compared to treatment with DMSO (paired t-test, p>0.05). ( C ) TG treatment significantly increased cAMP levels in GPR133 expressing HEK293T cells transfected with vector and ESYT1 compared to treatment with DMSO (paired t-test, GPR133 + vector: DMSO vs TG, p=0.0210; GPR133 + ESYT1: DMSO vs TG, p=0.0189). TG treatment did not affect GPR133 signaling following transfection of D724A (paired t-test, p>0.05). ns, not significant. ( D-E ) TG Treatment of HEK293T cells transduced with shSCR or shESYT1 to knockdown ESYT1. Bars represent mean ± SEM of 4 experiments. ( D ) TG treatment did not affect GPR133 surface expression compared to treatment with DMSO in GPR133 expressing HEK293T cells transduced with shSCR or shESYT (paired t-test, p>0.05). ( E ) TG treatment significantly increased cAMP concentrations compared to treatment with DMSO in HEK293T cells overexpressing GPR133 and transduced with shSCR (paired t-test, p=0.018). TG treatment had no effect on cAMP levels compared to DMSO following overexpression of GPR133 and knockdown of ESYT1 (paired t-test, p>0.05). ns, not significant. ( F-G ) TG treatment of HEK293T cells stably expressing GPR133 transfected with ESYT1 deletion mutants ∆C2C, ∆C2E or ∆C2C+E. Bars represent mean ± SEM of 4 to 5 experiments. ( F ) Treatment with TG had no effect on GPR133 surface expression in GPR133 expressing HEK293T cells transfected with ∆C2C, ∆C2E or ∆C2C+E compared to treatment with DMSO (paired t-test, p>0.05). ( G ) TG treatment did not affect cAMP concentrations compared to treatment with DMSO in GPR133 expressing HEK293T cells transfected with ∆C2C, ∆C2E or ∆C2C+E (paired t-test, p>0.05). ns, not significant.

Article Snippet: ESYT1, ADRB2 and MAPPER cDNA plasmids were obtained from Addgene (Myc-ESYT1 #66833, EFGP-ESYT1 #66830, Flag-ADBR2 #14697, GFP-MAPPER #117721).

Techniques: Stable Transfection, Transfection, Mutagenesis, Construct, Concentration Assay, Expressing, Plasmid Preparation, Transduction, Knockdown, Over Expression

( A ) Confocal images of HEK293T cells transfected with GPR133 alone (green) or co-transfected with GPR133 and Myc-tagged ESYT1 (red). In the co-transfection condition, the majority of transfected cells express both GPR133 and ESYT1 (orange arrowheads). ( B ) Western blot confirms overexpression of GPR133 and ESYT1 in transfected HEK293T cells. ( C ) Representative PLA images from in HEK293T cells transfected with GPR133 or co-transfected with GPR133 and ESYT1. The red PLA signal (arrow) is only present in cells co-transfected with GPR133 and ESYT1. The signal is weaker in cells treated with 1 μM TG compared to cells treated with DMSO. ( D ) Quantification of PLA positive signals (red dots) over DAPI positive cells overexpressing GPR133 and ESYT1. Bars represent mean ± SEM of 3 experiments. The PLA/DAPI ratio is significantly decreased in TG treated cells (paired t-test, p<0.05). ( E ) Optical sections of GPR133+ESYT1 images from the lower panel in ( C ), detecting a strong PLA signal in DMSO-treated cells (arrow), but a weaker signal in TG-treated cells.

Journal: bioRxiv

Article Title: Modulation of GPR133 (ADGRD1) Signaling by its Intracellular Interaction Partner Extended Synaptotagmin 1 (ESYT1)

doi: 10.1101/2023.02.09.527921

Figure Lengend Snippet: ( A ) Confocal images of HEK293T cells transfected with GPR133 alone (green) or co-transfected with GPR133 and Myc-tagged ESYT1 (red). In the co-transfection condition, the majority of transfected cells express both GPR133 and ESYT1 (orange arrowheads). ( B ) Western blot confirms overexpression of GPR133 and ESYT1 in transfected HEK293T cells. ( C ) Representative PLA images from in HEK293T cells transfected with GPR133 or co-transfected with GPR133 and ESYT1. The red PLA signal (arrow) is only present in cells co-transfected with GPR133 and ESYT1. The signal is weaker in cells treated with 1 μM TG compared to cells treated with DMSO. ( D ) Quantification of PLA positive signals (red dots) over DAPI positive cells overexpressing GPR133 and ESYT1. Bars represent mean ± SEM of 3 experiments. The PLA/DAPI ratio is significantly decreased in TG treated cells (paired t-test, p<0.05). ( E ) Optical sections of GPR133+ESYT1 images from the lower panel in ( C ), detecting a strong PLA signal in DMSO-treated cells (arrow), but a weaker signal in TG-treated cells.

Article Snippet: ESYT1, ADRB2 and MAPPER cDNA plasmids were obtained from Addgene (Myc-ESYT1 #66833, EFGP-ESYT1 #66830, Flag-ADBR2 #14697, GFP-MAPPER #117721).

Techniques: Transfection, Cotransfection, Western Blot, Over Expression

( A, B ) GBML109 was transduced with lentivirus for overexpression of GPR133 and shRNA mediated knockdown of ESYT1. ( A ) Western blot analysis using specific antibodies against ESYT1 (top panel) and GPR133 (bottom panel) confirms expression of ESYT1 in GBML109 transduced with the shSCR control and knockdown of ESYT1 following transduction with shESYT1 in cells overexpressing GPR133 or an empty vector control. ( B ) Intracellular cAMP levels in GPR133-expressing GBML109 cells are significantly increased following knockdown of ESYT1 compared the control (paired t-test, p<0.05). Bars represent mean ± SEM of 5 experiments. ( C ) ESYT1 transcript in a publically available GBM single cell RNA-seq (scRNA-seq) database (Single Single Cell Portal of the Broad Institute). ( Ci ) Identification of cellular populations in GBM specimens using tSNE plots. ( Cii ) ESYT1 is transcribed in tumor cells, as well as macrophages, T cells and oligodendrocytes in the tumor microenvironment. ( D ) Kaplan-Meier survival curves from the TCGA GBM dataset as a function of ESYT1 mRNA levels in bulk RNAseq of surgical specimens. Patients in the upper quartile of ESYT1 mRNA levels experience shorter survival (median 329 days) relative to patients in the lower quartile (median 460 days) (logrank Mantel-Cox test, p=0.0413). ( E,F ) Effects of ESYT1 knockdown by lentiviral transduction of shRNA in GBML154. ( E ) Western blot analysis confirms KD of ESYT1 in GBML154. ( F ) Tumorsphere formation is significantly reduced in GBML154 following KD of ESYT1 compared to the control shSCR (paired t-test, p=0.0306). Bars represent mean ± SEM of 3 experiments. ( G,H ) Tumorsphere formation following the CRISPR/Cas9-mediated KO of ESYT1 in GBML83 and GBML154. ( G ) Reduced ESYT1 expression, detected by Western blot, following transduction with an ESYT1 specific CRISPR/Cas9 construct compared to the Rosa26 control. ( H ) Tumorsphere formation is significantly reduced in GBML83 and GBML154 following KO of ESYT1. Overexpression (OE) of ESYT1 in these cells rescues the effect (GBML83: one-way ANOVA F (2,6) =22.32, p=0.0017; Tukey’s post hoc test: Rosa26 vs. ESYT1 KO, p=0.0023; ESYT1 KO vs. ESYT1 KO + ESYT1 OE, p=0.0036; GBML154: one-way ANOVA F (2,6) =10.30, p=0.0115; Tukey’s post hoc test: Rosa26 vs. ESYT1 KO, p=0.0183; ESYT1 KO vs. ESYT1 KO + ESYT1 OE, p=0.0179 ). Bars represent mean ± SEM of 3 experiments. ns, not significant.

Journal: bioRxiv

Article Title: Modulation of GPR133 (ADGRD1) Signaling by its Intracellular Interaction Partner Extended Synaptotagmin 1 (ESYT1)

doi: 10.1101/2023.02.09.527921

Figure Lengend Snippet: ( A, B ) GBML109 was transduced with lentivirus for overexpression of GPR133 and shRNA mediated knockdown of ESYT1. ( A ) Western blot analysis using specific antibodies against ESYT1 (top panel) and GPR133 (bottom panel) confirms expression of ESYT1 in GBML109 transduced with the shSCR control and knockdown of ESYT1 following transduction with shESYT1 in cells overexpressing GPR133 or an empty vector control. ( B ) Intracellular cAMP levels in GPR133-expressing GBML109 cells are significantly increased following knockdown of ESYT1 compared the control (paired t-test, p<0.05). Bars represent mean ± SEM of 5 experiments. ( C ) ESYT1 transcript in a publically available GBM single cell RNA-seq (scRNA-seq) database (Single Single Cell Portal of the Broad Institute). ( Ci ) Identification of cellular populations in GBM specimens using tSNE plots. ( Cii ) ESYT1 is transcribed in tumor cells, as well as macrophages, T cells and oligodendrocytes in the tumor microenvironment. ( D ) Kaplan-Meier survival curves from the TCGA GBM dataset as a function of ESYT1 mRNA levels in bulk RNAseq of surgical specimens. Patients in the upper quartile of ESYT1 mRNA levels experience shorter survival (median 329 days) relative to patients in the lower quartile (median 460 days) (logrank Mantel-Cox test, p=0.0413). ( E,F ) Effects of ESYT1 knockdown by lentiviral transduction of shRNA in GBML154. ( E ) Western blot analysis confirms KD of ESYT1 in GBML154. ( F ) Tumorsphere formation is significantly reduced in GBML154 following KD of ESYT1 compared to the control shSCR (paired t-test, p=0.0306). Bars represent mean ± SEM of 3 experiments. ( G,H ) Tumorsphere formation following the CRISPR/Cas9-mediated KO of ESYT1 in GBML83 and GBML154. ( G ) Reduced ESYT1 expression, detected by Western blot, following transduction with an ESYT1 specific CRISPR/Cas9 construct compared to the Rosa26 control. ( H ) Tumorsphere formation is significantly reduced in GBML83 and GBML154 following KO of ESYT1. Overexpression (OE) of ESYT1 in these cells rescues the effect (GBML83: one-way ANOVA F (2,6) =22.32, p=0.0017; Tukey’s post hoc test: Rosa26 vs. ESYT1 KO, p=0.0023; ESYT1 KO vs. ESYT1 KO + ESYT1 OE, p=0.0036; GBML154: one-way ANOVA F (2,6) =10.30, p=0.0115; Tukey’s post hoc test: Rosa26 vs. ESYT1 KO, p=0.0183; ESYT1 KO vs. ESYT1 KO + ESYT1 OE, p=0.0179 ). Bars represent mean ± SEM of 3 experiments. ns, not significant.

Article Snippet: ESYT1, ADRB2 and MAPPER cDNA plasmids were obtained from Addgene (Myc-ESYT1 #66833, EFGP-ESYT1 #66830, Flag-ADBR2 #14697, GFP-MAPPER #117721).

Techniques: Transduction, Over Expression, shRNA, Knockdown, Western Blot, Expressing, Control, Plasmid Preparation, RNA Sequencing Assay, CRISPR, Construct