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control fopflash luciferase reporter plasmid constructs  (Addgene inc)


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    Structured Review

    Addgene inc control fopflash luciferase reporter plasmid constructs
    Control Fopflash Luciferase Reporter Plasmid Constructs, supplied by Addgene inc, used in various techniques. Bioz Stars score: 94/100, based on 258 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/fopflash+construct/M51+Super+8x+FOPFlash+(TOPFlash+mutant)+(Plasmid+%2312457)/us10526616-207-7-13
    Average 94 stars, based on 258 article reviews
    control fopflash luciferase reporter plasmid constructs - by Bioz Stars, 2026-10
    94/100 stars

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    Related Articles

    Transfection:

    Article Title: 4‐(5‐Chloro‐3‐(3,4,5‐trimethoxybenzoyl)‐1 H ‐indol‐1‐yl)benzenesulfonamide: A Novel Polypharmacology Agent to Target Carbonic Anhydrase IX and XII With Improved Selectivity, Wnt/β‐Catenin Signaling Pathway, and P‐Glycoprotein
    Article Snippet: .. HEK293T cells were transfected with M50 Super 8x TOPFlash (Addgene #12456) or the FOP control plasmid (M51 Super 8x FOPFlash Addgene #12457) in combination with TK Renilla (Promega #E2241) using DreamFect Gold (OZ Biosciences #DG80500) according to the manufacturer's instructions. .. After 24 h, cells were incubated with starvation media (Opti‐MEM reduced serum medium supplemented with 0.5% FBS, 1% penicillin/streptomycin, 1% sodium pyruvate, and 1% nonessential amino acids) for 8 h. After starvation, Wnt/β‐catenin signaling was activated by treating cells with 50 mM LiCl in starvation media for 24 h. The following day, cells were treated with 15 or vehicle (DMSO) for 24 h. At the end of the experiment, cells were lysed using Passive Lysis Buffer (Biotium #99912).

    Article Title: Wnt5a Regulates Focal Adhesion Formation to Promote Migration in Ewing Sarcoma
    Article Snippet: Quantification of gene expression was performed by the ΔΔCt method, normalized to the housekeeping gene B2M, and quality controls including the Reverse Transcription Control assay (Bio-Rad), DNA Contamination Control assay (Bio-Rad), and RNA Quality assay (Bio-Rad) were all performed per manufacturer’s instructions. .. Cells were seeded in a 24-well plate in triplicates, and were transfected using Lipofectamine 2000 (#11668027, Invitrogen, Life Technology, Carlsbad, CA, USA) with either M50 Super 8× TOPFlash (Addgene plasmid #12456, Watertown, MA, USA) or M51 Super 8× FOPFlash (Addgene plasmid #12457) reporter construct (kindly provided by Dr. Randal Moon) and pRLSV40 (Promega, Madison, WI, USA). .. After 24 h of transfection, cells were lysed and analyzed for expression of firefly and Renilla luciferase activity using the Dual-Luciferase Reporter Assay System (Promega) according to manufacturer’s instructions.

    Article Title: NR3C1 Modulates Wnt Signalling to Influence the Invasiveness and Immune Features of Nonfunctioning Invasive Pituitary Adenomas.
    Article Snippet: .. Cells were co- transfected using Lipofectamine 3000 (Thermo Fisher, L3000015) with either TOPflash (Addgene, #12456) or FOPflash (Addgene, #12457) (500 ng each) and the Renilla internal control vector (Promega, E2241, pRL- TK, 50 ng), along with sh- NC or sh- NR3C1 as required. .. Cells were lysed 48 h post- transfection, and luciferase activity was measured using the Promega Dual- Luciferase Reporter Assay System (Promega, E1910).

    Article Title: The miR-34/449 clusters regulate the differentiation of ciliated cells in the oviduct via the Wnt/β-catenin signaling pathway
    Article Snippet: The Dual-Luciferase Reporter Assay System (Promega, catalog no. E1910, USA) was used to measure the activities of firefly luciferase and renilla luciferase in the cell lysates collected 24 h post-transfection, according to the manufacturer’s instructions. .. For the Wnt/β-catenin reporter assay in primary oviductal epithelial cells, primary oviductal epithelial cells were transfected with TOPflash (Addgene, catalog no. 12456, USA) or FOPflash (Addgene, catalog no. 12457, USA), and pRL-TK (Promega, catalog no. E2241, USA). .. The Dual-Luciferase Reporter Assay System (Promega, catalog no. E1910, USA) was used to measure the activities of firefly luciferase and renilla luciferase using the cell lysates following the manufacturer’s protocol.

    Article Title: The miR-34/449 clusters regulate the differentiation of ciliated cells in the oviduct via the Wnt/β-catenin signaling pathway.
    Article Snippet: The Dual-Luciferase Reporter Assay System (Promega, catalog no. E1910, USA) was used to measure the activities of firefly luciferase and renilla luciferase in the cell lysates collected 24 h post-transfection, according to the manufacturer’s instructions. .. For the Wnt/β-catenin reporter assay in primary oviductal epithelial cells, primary oviductal epithelial cells were transfected with TOPflash (Addgene, catalog no. 12456, USA) or FOPflash (Addgene, catalog no. 12457, USA), and pRL-TK (Promega, catalog no. E2241, USA). .. The Dual-Luciferase Reporter Assay System (Promega, catalog no. E1910, USA) was used to measure the activities of firefly luciferase and renilla luciferase using the cell lysates following the manufacturer’s protocol.

    Control:

    Article Title: 4‐(5‐Chloro‐3‐(3,4,5‐trimethoxybenzoyl)‐1 H ‐indol‐1‐yl)benzenesulfonamide: A Novel Polypharmacology Agent to Target Carbonic Anhydrase IX and XII With Improved Selectivity, Wnt/β‐Catenin Signaling Pathway, and P‐Glycoprotein
    Article Snippet: .. HEK293T cells were transfected with M50 Super 8x TOPFlash (Addgene #12456) or the FOP control plasmid (M51 Super 8x FOPFlash Addgene #12457) in combination with TK Renilla (Promega #E2241) using DreamFect Gold (OZ Biosciences #DG80500) according to the manufacturer's instructions. .. After 24 h, cells were incubated with starvation media (Opti‐MEM reduced serum medium supplemented with 0.5% FBS, 1% penicillin/streptomycin, 1% sodium pyruvate, and 1% nonessential amino acids) for 8 h. After starvation, Wnt/β‐catenin signaling was activated by treating cells with 50 mM LiCl in starvation media for 24 h. The following day, cells were treated with 15 or vehicle (DMSO) for 24 h. At the end of the experiment, cells were lysed using Passive Lysis Buffer (Biotium #99912).

    Article Title: NR3C1 Modulates Wnt Signalling to Influence the Invasiveness and Immune Features of Nonfunctioning Invasive Pituitary Adenomas.
    Article Snippet: .. Cells were co- transfected using Lipofectamine 3000 (Thermo Fisher, L3000015) with either TOPflash (Addgene, #12456) or FOPflash (Addgene, #12457) (500 ng each) and the Renilla internal control vector (Promega, E2241, pRL- TK, 50 ng), along with sh- NC or sh- NR3C1 as required. .. Cells were lysed 48 h post- transfection, and luciferase activity was measured using the Promega Dual- Luciferase Reporter Assay System (Promega, E1910).

    Plasmid Preparation:

    Article Title: 4‐(5‐Chloro‐3‐(3,4,5‐trimethoxybenzoyl)‐1 H ‐indol‐1‐yl)benzenesulfonamide: A Novel Polypharmacology Agent to Target Carbonic Anhydrase IX and XII With Improved Selectivity, Wnt/β‐Catenin Signaling Pathway, and P‐Glycoprotein
    Article Snippet: .. HEK293T cells were transfected with M50 Super 8x TOPFlash (Addgene #12456) or the FOP control plasmid (M51 Super 8x FOPFlash Addgene #12457) in combination with TK Renilla (Promega #E2241) using DreamFect Gold (OZ Biosciences #DG80500) according to the manufacturer's instructions. .. After 24 h, cells were incubated with starvation media (Opti‐MEM reduced serum medium supplemented with 0.5% FBS, 1% penicillin/streptomycin, 1% sodium pyruvate, and 1% nonessential amino acids) for 8 h. After starvation, Wnt/β‐catenin signaling was activated by treating cells with 50 mM LiCl in starvation media for 24 h. The following day, cells were treated with 15 or vehicle (DMSO) for 24 h. At the end of the experiment, cells were lysed using Passive Lysis Buffer (Biotium #99912).

    Article Title: Wnt5a Regulates Focal Adhesion Formation to Promote Migration in Ewing Sarcoma
    Article Snippet: Quantification of gene expression was performed by the ΔΔCt method, normalized to the housekeeping gene B2M, and quality controls including the Reverse Transcription Control assay (Bio-Rad), DNA Contamination Control assay (Bio-Rad), and RNA Quality assay (Bio-Rad) were all performed per manufacturer’s instructions. .. Cells were seeded in a 24-well plate in triplicates, and were transfected using Lipofectamine 2000 (#11668027, Invitrogen, Life Technology, Carlsbad, CA, USA) with either M50 Super 8× TOPFlash (Addgene plasmid #12456, Watertown, MA, USA) or M51 Super 8× FOPFlash (Addgene plasmid #12457) reporter construct (kindly provided by Dr. Randal Moon) and pRLSV40 (Promega, Madison, WI, USA). .. After 24 h of transfection, cells were lysed and analyzed for expression of firefly and Renilla luciferase activity using the Dual-Luciferase Reporter Assay System (Promega) according to manufacturer’s instructions.

    Article Title: Phosphoglycerate kinase 1 stimulates β-catenin signaling, which is further enhanced by the transfection of bovine alphaherpesvirus 1 latency-related protein ORF2
    Article Snippet: Bovine alphaherpesvirus 1 (BoAHV-1) mainly infects cattle and causes substantial economic losses to the cattle industry worldwide.. The virus establishes a lifelong latent infection primarily in the trigeminal ganglia (TG), where the open reading frame 2 (ORF2), a product of viral latency-related (LR) gene is abundantly expressed.. ORF2 has anti-apoptotic effects, in part by upregulating β-catenin signaling.

    Construct:

    Article Title: Wnt5a Regulates Focal Adhesion Formation to Promote Migration in Ewing Sarcoma
    Article Snippet: Quantification of gene expression was performed by the ΔΔCt method, normalized to the housekeeping gene B2M, and quality controls including the Reverse Transcription Control assay (Bio-Rad), DNA Contamination Control assay (Bio-Rad), and RNA Quality assay (Bio-Rad) were all performed per manufacturer’s instructions. .. Cells were seeded in a 24-well plate in triplicates, and were transfected using Lipofectamine 2000 (#11668027, Invitrogen, Life Technology, Carlsbad, CA, USA) with either M50 Super 8× TOPFlash (Addgene plasmid #12456, Watertown, MA, USA) or M51 Super 8× FOPFlash (Addgene plasmid #12457) reporter construct (kindly provided by Dr. Randal Moon) and pRLSV40 (Promega, Madison, WI, USA). .. After 24 h of transfection, cells were lysed and analyzed for expression of firefly and Renilla luciferase activity using the Dual-Luciferase Reporter Assay System (Promega) according to manufacturer’s instructions.

    Reporter Assay:

    Article Title: The miR-34/449 clusters regulate the differentiation of ciliated cells in the oviduct via the Wnt/β-catenin signaling pathway
    Article Snippet: The Dual-Luciferase Reporter Assay System (Promega, catalog no. E1910, USA) was used to measure the activities of firefly luciferase and renilla luciferase in the cell lysates collected 24 h post-transfection, according to the manufacturer’s instructions. .. For the Wnt/β-catenin reporter assay in primary oviductal epithelial cells, primary oviductal epithelial cells were transfected with TOPflash (Addgene, catalog no. 12456, USA) or FOPflash (Addgene, catalog no. 12457, USA), and pRL-TK (Promega, catalog no. E2241, USA). .. The Dual-Luciferase Reporter Assay System (Promega, catalog no. E1910, USA) was used to measure the activities of firefly luciferase and renilla luciferase using the cell lysates following the manufacturer’s protocol.

    Article Title: The miR-34/449 clusters regulate the differentiation of ciliated cells in the oviduct via the Wnt/β-catenin signaling pathway.
    Article Snippet: The Dual-Luciferase Reporter Assay System (Promega, catalog no. E1910, USA) was used to measure the activities of firefly luciferase and renilla luciferase in the cell lysates collected 24 h post-transfection, according to the manufacturer’s instructions. .. For the Wnt/β-catenin reporter assay in primary oviductal epithelial cells, primary oviductal epithelial cells were transfected with TOPflash (Addgene, catalog no. 12456, USA) or FOPflash (Addgene, catalog no. 12457, USA), and pRL-TK (Promega, catalog no. E2241, USA). .. The Dual-Luciferase Reporter Assay System (Promega, catalog no. E1910, USA) was used to measure the activities of firefly luciferase and renilla luciferase using the cell lysates following the manufacturer’s protocol.

    Binding Assay:

    Article Title: B4GALT1 and Wntless collaborate to block LRP5/6 translocation from Golgi to cell surface.
    Article Snippet: After translation, low-density lipoprotein receptor–related protein 5/6, LRP5/6, are transported from ER through Golgi to cell surface, where they serve as the co-receptors of Wnt proteins to elicit the WNT/β-catenin signaling.. Here, Golgi-resident β-1, 4galactosyltransferase B4GALT1 is revealed to interact with LRP5/6, causing the Golgi retention of LRP5/6 and ultimately reducing LRP5/6 on the cell surface.. In addition to LRP5/6, B4GALT1 can also bind to the exclusive Wnt transporter Wntless.

    Negative Control:

    Article Title: B4GALT1 and Wntless collaborate to block LRP5/6 translocation from Golgi to cell surface.
    Article Snippet: After translation, low-density lipoprotein receptor–related protein 5/6, LRP5/6, are transported from ER through Golgi to cell surface, where they serve as the co-receptors of Wnt proteins to elicit the WNT/β-catenin signaling.. Here, Golgi-resident β-1, 4galactosyltransferase B4GALT1 is revealed to interact with LRP5/6, causing the Golgi retention of LRP5/6 and ultimately reducing LRP5/6 on the cell surface.. In addition to LRP5/6, B4GALT1 can also bind to the exclusive Wnt transporter Wntless.



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    USP2a upregulates β-catenin protein and promotes its transcriptional activity. A. Each SFB-tagged deubiquitinase was co-transfected with MYC-tagged β-catenin into HEK293T cells, followed by pulldown with S-protein beads and immunoblotting with antibodies against FLAG and MYC. B. Either β-catenin-responsive TOPflash or its mutant <t>FOPflash</t> construct was co-transfected with each SFB-tagged deubiquitinase and Renilla luciferase into HEK293T cells. A dual luciferase assay was used to determine β-catenin activity. Firefly luciferase activity was normalized to Renilla luciferase activity. MYC-tagged β-catenin serves as a positive control. Error bars are S.D. C. SFB-tagged GFP, USP2a, USP26, and USP42 were co-transfected with MYC-tagged β-catenin into HEK293T cells, and pulled down with S-protein beads. Antibodies against MYC and FLAG were used to detect β-catenin and DUBs. CypB (cyclophilin B) serves as the loading control. D. Left panel: luciferase reporter assay validating that the 4 candidate deubiquitinases (USP2a, USP36, DUB3, and OTUD7B) promote the transcriptional activity of β-catenin. Error bars are S.D. ***: P < 0.001. Right panel: immunoblotting of HSP90 and SFB-tagged GFP, USP2a, USP36, DUB3, and OTUD7B in HEK293T cells. HSP90 serves as the loading control. T: TOPflash; F: FOPflash. E. Each SFB-tagged candidate deubiquitinase was co-transfected with <t>HA-tagged</t> <t>ubiquitin</t> and MYC-tagged β-catenin into HEK293T cells. After MG132 treatment for 6 hours, β-catenin was immunoprecipitated with a MYC-specific antibody, followed by immunoblotting with antibodies against HA and MYC. F. Immunoblotting of β-catenin, FLAG, and HSP90 in HEK293T cells transfected with SFB-tagged GFP, USP2a, USP36, DUB3, or OTUD7B. G. qPCR of CTNNB1 (the gene that encodes β-catenin) in HEK293T cells transfected with the empty vector, wild-type USP2a, or the catalytically inactive mutant (C276A). Error bars are S.D. n.s.: not significant. H. Immunoblotting of USP2a, β-catenin, and CypB in BT549 cells transduced with USP2 shRNAs. I. Immunoblotting of USP2a, β-catenin, and CypB in BT549 cells transduced with USP2 shRNA with or without ectopic expression of USP2a.
    Fopflash Constructs, supplied by Addgene inc, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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    Smurf1 promoted Wnt/β-catenin signaling activation. ( A ) Parental and Smurf1-overexpressing AGS cells were transfected with TOPflash and FOPflash reporters and treated with Wnt3a, respectively. Wnt/β-catenin signaling activation was assessed using the TOPflash/FOPflash dual luciferase reporter system. Relative luciferase units (RLU) were calculated to assess β-catenin-triggered transcription. After Smurf1 overexpression in AGS cells, cytoplasmic ( B and D ) and nuclear ( C and D ) β-catenin protein levels were measured using the western blot assay. β-actin and Lamin B1 served as cytoplasmic and nuclear markers, respectively. ( E ) After Smurf1 overexpression in AGS cells, β-catenin nuclear translocation was assessed using IF analysis. Red fluorescence indicated β-catenin, and blue fluorescence indicated the nucleus. The results were shown as the median (1st quartile and 3rd quartile). * p < 0.05, ** p < 0.01.

    Journal: Scientific Reports

    Article Title: Smurf1 promotes gastric cancer progression by regulating Axin2-dependent Wnt signaling pathway

    doi: 10.1038/s41598-025-23707-3

    Figure Lengend Snippet: Smurf1 promoted Wnt/β-catenin signaling activation. ( A ) Parental and Smurf1-overexpressing AGS cells were transfected with TOPflash and FOPflash reporters and treated with Wnt3a, respectively. Wnt/β-catenin signaling activation was assessed using the TOPflash/FOPflash dual luciferase reporter system. Relative luciferase units (RLU) were calculated to assess β-catenin-triggered transcription. After Smurf1 overexpression in AGS cells, cytoplasmic ( B and D ) and nuclear ( C and D ) β-catenin protein levels were measured using the western blot assay. β-actin and Lamin B1 served as cytoplasmic and nuclear markers, respectively. ( E ) After Smurf1 overexpression in AGS cells, β-catenin nuclear translocation was assessed using IF analysis. Red fluorescence indicated β-catenin, and blue fluorescence indicated the nucleus. The results were shown as the median (1st quartile and 3rd quartile). * p < 0.05, ** p < 0.01.

    Article Snippet: After Smurf1 overexpression, AGS cells were co-transfected with TOPflash construct (80 ng, Merck) or FOPflash construct (Merck) and pRL-TK plasmid (8 ng, Promega, WI, USA) using PEI max transfection reagent.

    Techniques: Activation Assay, Transfection, Luciferase, Over Expression, Western Blot, Translocation Assay, Fluorescence

    USP2a upregulates β-catenin protein and promotes its transcriptional activity. A. Each SFB-tagged deubiquitinase was co-transfected with MYC-tagged β-catenin into HEK293T cells, followed by pulldown with S-protein beads and immunoblotting with antibodies against FLAG and MYC. B. Either β-catenin-responsive TOPflash or its mutant FOPflash construct was co-transfected with each SFB-tagged deubiquitinase and Renilla luciferase into HEK293T cells. A dual luciferase assay was used to determine β-catenin activity. Firefly luciferase activity was normalized to Renilla luciferase activity. MYC-tagged β-catenin serves as a positive control. Error bars are S.D. C. SFB-tagged GFP, USP2a, USP26, and USP42 were co-transfected with MYC-tagged β-catenin into HEK293T cells, and pulled down with S-protein beads. Antibodies against MYC and FLAG were used to detect β-catenin and DUBs. CypB (cyclophilin B) serves as the loading control. D. Left panel: luciferase reporter assay validating that the 4 candidate deubiquitinases (USP2a, USP36, DUB3, and OTUD7B) promote the transcriptional activity of β-catenin. Error bars are S.D. ***: P < 0.001. Right panel: immunoblotting of HSP90 and SFB-tagged GFP, USP2a, USP36, DUB3, and OTUD7B in HEK293T cells. HSP90 serves as the loading control. T: TOPflash; F: FOPflash. E. Each SFB-tagged candidate deubiquitinase was co-transfected with HA-tagged ubiquitin and MYC-tagged β-catenin into HEK293T cells. After MG132 treatment for 6 hours, β-catenin was immunoprecipitated with a MYC-specific antibody, followed by immunoblotting with antibodies against HA and MYC. F. Immunoblotting of β-catenin, FLAG, and HSP90 in HEK293T cells transfected with SFB-tagged GFP, USP2a, USP36, DUB3, or OTUD7B. G. qPCR of CTNNB1 (the gene that encodes β-catenin) in HEK293T cells transfected with the empty vector, wild-type USP2a, or the catalytically inactive mutant (C276A). Error bars are S.D. n.s.: not significant. H. Immunoblotting of USP2a, β-catenin, and CypB in BT549 cells transduced with USP2 shRNAs. I. Immunoblotting of USP2a, β-catenin, and CypB in BT549 cells transduced with USP2 shRNA with or without ectopic expression of USP2a.

    Journal: American Journal of Cancer Research

    Article Title: Ubiquitin-specific peptidase 2a (USP2a) deubiquitinates and stabilizes β-catenin

    doi:

    Figure Lengend Snippet: USP2a upregulates β-catenin protein and promotes its transcriptional activity. A. Each SFB-tagged deubiquitinase was co-transfected with MYC-tagged β-catenin into HEK293T cells, followed by pulldown with S-protein beads and immunoblotting with antibodies against FLAG and MYC. B. Either β-catenin-responsive TOPflash or its mutant FOPflash construct was co-transfected with each SFB-tagged deubiquitinase and Renilla luciferase into HEK293T cells. A dual luciferase assay was used to determine β-catenin activity. Firefly luciferase activity was normalized to Renilla luciferase activity. MYC-tagged β-catenin serves as a positive control. Error bars are S.D. C. SFB-tagged GFP, USP2a, USP26, and USP42 were co-transfected with MYC-tagged β-catenin into HEK293T cells, and pulled down with S-protein beads. Antibodies against MYC and FLAG were used to detect β-catenin and DUBs. CypB (cyclophilin B) serves as the loading control. D. Left panel: luciferase reporter assay validating that the 4 candidate deubiquitinases (USP2a, USP36, DUB3, and OTUD7B) promote the transcriptional activity of β-catenin. Error bars are S.D. ***: P < 0.001. Right panel: immunoblotting of HSP90 and SFB-tagged GFP, USP2a, USP36, DUB3, and OTUD7B in HEK293T cells. HSP90 serves as the loading control. T: TOPflash; F: FOPflash. E. Each SFB-tagged candidate deubiquitinase was co-transfected with HA-tagged ubiquitin and MYC-tagged β-catenin into HEK293T cells. After MG132 treatment for 6 hours, β-catenin was immunoprecipitated with a MYC-specific antibody, followed by immunoblotting with antibodies against HA and MYC. F. Immunoblotting of β-catenin, FLAG, and HSP90 in HEK293T cells transfected with SFB-tagged GFP, USP2a, USP36, DUB3, or OTUD7B. G. qPCR of CTNNB1 (the gene that encodes β-catenin) in HEK293T cells transfected with the empty vector, wild-type USP2a, or the catalytically inactive mutant (C276A). Error bars are S.D. n.s.: not significant. H. Immunoblotting of USP2a, β-catenin, and CypB in BT549 cells transduced with USP2 shRNAs. I. Immunoblotting of USP2a, β-catenin, and CypB in BT549 cells transduced with USP2 shRNA with or without ectopic expression of USP2a.

    Article Snippet: HA-ubiquitin, TOPflash, and FOPflash constructs were from Addgene (plasmid number: 17608, 12456, and 12457).

    Techniques: Activity Assay, Transfection, Western Blot, Mutagenesis, Construct, Luciferase, Positive Control, Control, Reporter Assay, Ubiquitin Proteomics, Immunoprecipitation, Plasmid Preparation, Transduction, shRNA, Expressing

    USP2a activates Wnt/β-catenin signaling. A. Immunoblotting of FLAG-USP2a, β-catenin, HSP90 (cytoplasmic marker), and Lamin B1 (nuclear marker) in cytoplasmic and nuclear fractions of HEK293T cells transfected with the empty vector or SFB-USP2a. B. Top panel: either β-catenin-responsive TOPflash or its mutant FOPflash construct was co-transfected with SFB-tagged GFP, USP2a, or USP2aC276A and Renilla luciferase into HEK293T cells. A dual luciferase assay was used to determine β-catenin activity. Firefly luciferase activity was normalized to Renilla luciferase activity. Error bars are S.D. **: P < 0.01. Bottom panel: immunoblotting of SFB-USP2a, SFB-USP2aC276A, and CypB in HEK293T cells. T: TOPflash; F: FOPflash. C. Top panel: either β-catenin-responsive TOPflash or its mutant FOPflash construct was co-transfected with the SFB vector or SFB-USP2a and Renilla luciferase into HEK293T cells. Cells were treated with DMSO or 3 µM ML364 for 24 hours. A dual luciferase assay was used to determine β-catenin activity. Firefly luciferase activity was normalized to Renilla luciferase activity, and then TOPflash reads were normalized to FOPflash reads. Error bars are S.E.M. *: P < 0.05; **: P < 0.01. Bottom panel: immunoblotting of SFB-USP2a and CypB in HEK293T cells. D: DMSO; M: ML364. D. Human Wnt signaling targets PCR array analysis of HEK293T cells transfected with SFB-USP2a. Gene expression levels in SFB-USP2a-transfected cells were compared to those in empty vector-transfected cells (log2 scale). E. qPCR of BIRC5, CUBN, FGF7, CDON, BTRC, ANTXR1, and IGF2 in HEK293T cells transfected with the empty vector, SFB-USP2a, or SFB-USP2aC276A. Error bars are S.E.M. *: P < 0.05; **: P < 0.01; ***: P < 0.001. F. qPCR of BIRC5, CUBN, FGF7, CDON, BTRC, ANTXR1, and IGF2 in BT549 cells transduced with USP2 shRNAs or a scramble control (Scr). Error bars are S.E.M. *: P < 0.05; **: P < 0.01; ***: P < 0.001; #: not detectable.

    Journal: American Journal of Cancer Research

    Article Title: Ubiquitin-specific peptidase 2a (USP2a) deubiquitinates and stabilizes β-catenin

    doi:

    Figure Lengend Snippet: USP2a activates Wnt/β-catenin signaling. A. Immunoblotting of FLAG-USP2a, β-catenin, HSP90 (cytoplasmic marker), and Lamin B1 (nuclear marker) in cytoplasmic and nuclear fractions of HEK293T cells transfected with the empty vector or SFB-USP2a. B. Top panel: either β-catenin-responsive TOPflash or its mutant FOPflash construct was co-transfected with SFB-tagged GFP, USP2a, or USP2aC276A and Renilla luciferase into HEK293T cells. A dual luciferase assay was used to determine β-catenin activity. Firefly luciferase activity was normalized to Renilla luciferase activity. Error bars are S.D. **: P < 0.01. Bottom panel: immunoblotting of SFB-USP2a, SFB-USP2aC276A, and CypB in HEK293T cells. T: TOPflash; F: FOPflash. C. Top panel: either β-catenin-responsive TOPflash or its mutant FOPflash construct was co-transfected with the SFB vector or SFB-USP2a and Renilla luciferase into HEK293T cells. Cells were treated with DMSO or 3 µM ML364 for 24 hours. A dual luciferase assay was used to determine β-catenin activity. Firefly luciferase activity was normalized to Renilla luciferase activity, and then TOPflash reads were normalized to FOPflash reads. Error bars are S.E.M. *: P < 0.05; **: P < 0.01. Bottom panel: immunoblotting of SFB-USP2a and CypB in HEK293T cells. D: DMSO; M: ML364. D. Human Wnt signaling targets PCR array analysis of HEK293T cells transfected with SFB-USP2a. Gene expression levels in SFB-USP2a-transfected cells were compared to those in empty vector-transfected cells (log2 scale). E. qPCR of BIRC5, CUBN, FGF7, CDON, BTRC, ANTXR1, and IGF2 in HEK293T cells transfected with the empty vector, SFB-USP2a, or SFB-USP2aC276A. Error bars are S.E.M. *: P < 0.05; **: P < 0.01; ***: P < 0.001. F. qPCR of BIRC5, CUBN, FGF7, CDON, BTRC, ANTXR1, and IGF2 in BT549 cells transduced with USP2 shRNAs or a scramble control (Scr). Error bars are S.E.M. *: P < 0.05; **: P < 0.01; ***: P < 0.001; #: not detectable.

    Article Snippet: HA-ubiquitin, TOPflash, and FOPflash constructs were from Addgene (plasmid number: 17608, 12456, and 12457).

    Techniques: Western Blot, Marker, Transfection, Plasmid Preparation, Mutagenesis, Construct, Luciferase, Activity Assay, Gene Expression, Transduction, Control