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transfer plasmid encoding ace2  (Addgene inc)


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    Addgene inc transfer plasmid encoding ace2
    Figure 1. SARS-CoV-2 3CLpro is released from infected cells by cell lysis and secreted by an unconventional protein-secretion mechanism (A) Immunoblots of 3CLpro precipitated by 33% trichloroacetic acid (TCA) from the conditioned media or in lysates from mock-infected or <t>A549-ACE2</t> cells 48 hpi with SARS-CoV-2 (MOI 4, n = 5, N = 2). stds, 3CLpro standards. Densitometry of 3CLpro relative to 10 ng 3CLpro standard. (B) 3CLpro, b-tubulin, and GAPDH immunoblots and densitometry of 3CLpro in 33% TCA-precipitated conditioned media or cell lysate from mock-infected or SARS-CoV-2-infected A549-ACE2 cells 48 hpi with MOI 0.1 or 1.0. Dotted line, intracellular 3CLpro/tubulin ratio in MOI 1.0 cell lysate (n = 3/group). (C) Immunoblots and densitometry of 3CLpro in 33% TCA-precipitated conditioned media compared to matched lysates from SARS-CoV-2-infected Vero76 cells 48 hpi (MOI 1) or mock-infected cells (n = 3/group). 3CLpro ppt, 10 ng of 3CLpro precipitated from cell-naive media as a control; std, 10 ng of 3CLpro standard. (D) Immunoblots of 3CLpro in conditioned media concentrated by ultrafiltration and cell lysates from HEK293 cells transfected with 3CLpro expression plasmid for 48 h (n = 8, N = 2). (E) LDH activity in conditioned medium collected from 3CLpro transfected HEK293 cells (48 h) compared with the maximum amount of LDH released from lysed HEK293 cells (n = 6, N = 2). Absorbance was measured at 490 nm with 680 nm correction. (F) Immunoblots and densitometry of 3CLpro in concentrated conditioned medium and cell lysates from HEK293 cells transiently transfected with plasmids encoding 3CLpro or catalytic inactive 3CLpro Cys145Ala for 48 h (n = 5, N = 2). (G) Immunoblots and densitometry of 3CLpro or IFN-l1 after 24 h culture ± Golgi inhibitor 2 mM monensin (n = 6, N = 2). (H) 3CLpro, GSDMD, and b-actin loading control immunoblots and GSDMD densitometry of lysates from mock-infected or SARS-CoV-2-infected A549-ACE2 cells 48 hpi, MOI 0.1 or 1.0 (n = 3/group). (I) Schematic of candidate mechanisms of 3CLpro release from SARS-CoV-2-infected cells. Antibodies: anti-3CLpro (1:1,000, in-house), anti-b-tubulin (1:2,000, clone: BT7R), anti-b-actin (1:2,000, ab8226), anti-GAPDH (1:2,000, clone: GA1R), anti- GSDMD N-terminal antibody (1:500, clone: W18029B), and anti-FLAG M2 (IFN-l1 in G) (1:1,000, F3165). Data are shown as mean ± SD; statistical analysis of two groups was performed by two-tailed unpaired t test, three or more groups by one-way ANOVA with Tukey’s post hoc test, with a significance threshold of p < 0.05.
    Transfer Plasmid Encoding Ace2, supplied by Addgene inc, used in various techniques. Bioz Stars score: 93/100, based on 12 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/result/transfer plasmid encoding ace2/product/Addgene inc
    Average 93 stars, based on 12 article reviews
    transfer plasmid encoding ace2 - by Bioz Stars, 2026-03
    93/100 stars

    Images

    1) Product Images from "SARS-CoV-2 3CL pro (main protease) regulates caspase activation of gasdermin-D/E pores leading to secretion and extracellular activity of 3CL pro ."

    Article Title: SARS-CoV-2 3CL pro (main protease) regulates caspase activation of gasdermin-D/E pores leading to secretion and extracellular activity of 3CL pro .

    Journal: Cell reports

    doi: 10.1016/j.celrep.2024.115080

    Figure 1. SARS-CoV-2 3CLpro is released from infected cells by cell lysis and secreted by an unconventional protein-secretion mechanism (A) Immunoblots of 3CLpro precipitated by 33% trichloroacetic acid (TCA) from the conditioned media or in lysates from mock-infected or A549-ACE2 cells 48 hpi with SARS-CoV-2 (MOI 4, n = 5, N = 2). stds, 3CLpro standards. Densitometry of 3CLpro relative to 10 ng 3CLpro standard. (B) 3CLpro, b-tubulin, and GAPDH immunoblots and densitometry of 3CLpro in 33% TCA-precipitated conditioned media or cell lysate from mock-infected or SARS-CoV-2-infected A549-ACE2 cells 48 hpi with MOI 0.1 or 1.0. Dotted line, intracellular 3CLpro/tubulin ratio in MOI 1.0 cell lysate (n = 3/group). (C) Immunoblots and densitometry of 3CLpro in 33% TCA-precipitated conditioned media compared to matched lysates from SARS-CoV-2-infected Vero76 cells 48 hpi (MOI 1) or mock-infected cells (n = 3/group). 3CLpro ppt, 10 ng of 3CLpro precipitated from cell-naive media as a control; std, 10 ng of 3CLpro standard. (D) Immunoblots of 3CLpro in conditioned media concentrated by ultrafiltration and cell lysates from HEK293 cells transfected with 3CLpro expression plasmid for 48 h (n = 8, N = 2). (E) LDH activity in conditioned medium collected from 3CLpro transfected HEK293 cells (48 h) compared with the maximum amount of LDH released from lysed HEK293 cells (n = 6, N = 2). Absorbance was measured at 490 nm with 680 nm correction. (F) Immunoblots and densitometry of 3CLpro in concentrated conditioned medium and cell lysates from HEK293 cells transiently transfected with plasmids encoding 3CLpro or catalytic inactive 3CLpro Cys145Ala for 48 h (n = 5, N = 2). (G) Immunoblots and densitometry of 3CLpro or IFN-l1 after 24 h culture ± Golgi inhibitor 2 mM monensin (n = 6, N = 2). (H) 3CLpro, GSDMD, and b-actin loading control immunoblots and GSDMD densitometry of lysates from mock-infected or SARS-CoV-2-infected A549-ACE2 cells 48 hpi, MOI 0.1 or 1.0 (n = 3/group). (I) Schematic of candidate mechanisms of 3CLpro release from SARS-CoV-2-infected cells. Antibodies: anti-3CLpro (1:1,000, in-house), anti-b-tubulin (1:2,000, clone: BT7R), anti-b-actin (1:2,000, ab8226), anti-GAPDH (1:2,000, clone: GA1R), anti- GSDMD N-terminal antibody (1:500, clone: W18029B), and anti-FLAG M2 (IFN-l1 in G) (1:1,000, F3165). Data are shown as mean ± SD; statistical analysis of two groups was performed by two-tailed unpaired t test, three or more groups by one-way ANOVA with Tukey’s post hoc test, with a significance threshold of p < 0.05.
    Figure Legend Snippet: Figure 1. SARS-CoV-2 3CLpro is released from infected cells by cell lysis and secreted by an unconventional protein-secretion mechanism (A) Immunoblots of 3CLpro precipitated by 33% trichloroacetic acid (TCA) from the conditioned media or in lysates from mock-infected or A549-ACE2 cells 48 hpi with SARS-CoV-2 (MOI 4, n = 5, N = 2). stds, 3CLpro standards. Densitometry of 3CLpro relative to 10 ng 3CLpro standard. (B) 3CLpro, b-tubulin, and GAPDH immunoblots and densitometry of 3CLpro in 33% TCA-precipitated conditioned media or cell lysate from mock-infected or SARS-CoV-2-infected A549-ACE2 cells 48 hpi with MOI 0.1 or 1.0. Dotted line, intracellular 3CLpro/tubulin ratio in MOI 1.0 cell lysate (n = 3/group). (C) Immunoblots and densitometry of 3CLpro in 33% TCA-precipitated conditioned media compared to matched lysates from SARS-CoV-2-infected Vero76 cells 48 hpi (MOI 1) or mock-infected cells (n = 3/group). 3CLpro ppt, 10 ng of 3CLpro precipitated from cell-naive media as a control; std, 10 ng of 3CLpro standard. (D) Immunoblots of 3CLpro in conditioned media concentrated by ultrafiltration and cell lysates from HEK293 cells transfected with 3CLpro expression plasmid for 48 h (n = 8, N = 2). (E) LDH activity in conditioned medium collected from 3CLpro transfected HEK293 cells (48 h) compared with the maximum amount of LDH released from lysed HEK293 cells (n = 6, N = 2). Absorbance was measured at 490 nm with 680 nm correction. (F) Immunoblots and densitometry of 3CLpro in concentrated conditioned medium and cell lysates from HEK293 cells transiently transfected with plasmids encoding 3CLpro or catalytic inactive 3CLpro Cys145Ala for 48 h (n = 5, N = 2). (G) Immunoblots and densitometry of 3CLpro or IFN-l1 after 24 h culture ± Golgi inhibitor 2 mM monensin (n = 6, N = 2). (H) 3CLpro, GSDMD, and b-actin loading control immunoblots and GSDMD densitometry of lysates from mock-infected or SARS-CoV-2-infected A549-ACE2 cells 48 hpi, MOI 0.1 or 1.0 (n = 3/group). (I) Schematic of candidate mechanisms of 3CLpro release from SARS-CoV-2-infected cells. Antibodies: anti-3CLpro (1:1,000, in-house), anti-b-tubulin (1:2,000, clone: BT7R), anti-b-actin (1:2,000, ab8226), anti-GAPDH (1:2,000, clone: GA1R), anti- GSDMD N-terminal antibody (1:500, clone: W18029B), and anti-FLAG M2 (IFN-l1 in G) (1:1,000, F3165). Data are shown as mean ± SD; statistical analysis of two groups was performed by two-tailed unpaired t test, three or more groups by one-way ANOVA with Tukey’s post hoc test, with a significance threshold of p < 0.05.

    Techniques Used: Infection, Lysis, Western Blot, Control, Transfection, Expressing, Plasmid Preparation, Activity Assay, Two Tailed Test



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    transfer plasmid encoding ace2  (Addgene inc)
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    Addgene inc transfer plasmid encoding ace2
    Figure 1. SARS-CoV-2 3CLpro is released from infected cells by cell lysis and secreted by an unconventional protein-secretion mechanism (A) Immunoblots of 3CLpro precipitated by 33% trichloroacetic acid (TCA) from the conditioned media or in lysates from mock-infected or <t>A549-ACE2</t> cells 48 hpi with SARS-CoV-2 (MOI 4, n = 5, N = 2). stds, 3CLpro standards. Densitometry of 3CLpro relative to 10 ng 3CLpro standard. (B) 3CLpro, b-tubulin, and GAPDH immunoblots and densitometry of 3CLpro in 33% TCA-precipitated conditioned media or cell lysate from mock-infected or SARS-CoV-2-infected A549-ACE2 cells 48 hpi with MOI 0.1 or 1.0. Dotted line, intracellular 3CLpro/tubulin ratio in MOI 1.0 cell lysate (n = 3/group). (C) Immunoblots and densitometry of 3CLpro in 33% TCA-precipitated conditioned media compared to matched lysates from SARS-CoV-2-infected Vero76 cells 48 hpi (MOI 1) or mock-infected cells (n = 3/group). 3CLpro ppt, 10 ng of 3CLpro precipitated from cell-naive media as a control; std, 10 ng of 3CLpro standard. (D) Immunoblots of 3CLpro in conditioned media concentrated by ultrafiltration and cell lysates from HEK293 cells transfected with 3CLpro expression plasmid for 48 h (n = 8, N = 2). (E) LDH activity in conditioned medium collected from 3CLpro transfected HEK293 cells (48 h) compared with the maximum amount of LDH released from lysed HEK293 cells (n = 6, N = 2). Absorbance was measured at 490 nm with 680 nm correction. (F) Immunoblots and densitometry of 3CLpro in concentrated conditioned medium and cell lysates from HEK293 cells transiently transfected with plasmids encoding 3CLpro or catalytic inactive 3CLpro Cys145Ala for 48 h (n = 5, N = 2). (G) Immunoblots and densitometry of 3CLpro or IFN-l1 after 24 h culture ± Golgi inhibitor 2 mM monensin (n = 6, N = 2). (H) 3CLpro, GSDMD, and b-actin loading control immunoblots and GSDMD densitometry of lysates from mock-infected or SARS-CoV-2-infected A549-ACE2 cells 48 hpi, MOI 0.1 or 1.0 (n = 3/group). (I) Schematic of candidate mechanisms of 3CLpro release from SARS-CoV-2-infected cells. Antibodies: anti-3CLpro (1:1,000, in-house), anti-b-tubulin (1:2,000, clone: BT7R), anti-b-actin (1:2,000, ab8226), anti-GAPDH (1:2,000, clone: GA1R), anti- GSDMD N-terminal antibody (1:500, clone: W18029B), and anti-FLAG M2 (IFN-l1 in G) (1:1,000, F3165). Data are shown as mean ± SD; statistical analysis of two groups was performed by two-tailed unpaired t test, three or more groups by one-way ANOVA with Tukey’s post hoc test, with a significance threshold of p < 0.05.
    Transfer Plasmid Encoding Ace2, 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
    https://www.bioz.com/result/transfer plasmid encoding ace2/product/Addgene inc
    Average 93 stars, based on 1 article reviews
    transfer plasmid encoding ace2 - by Bioz Stars, 2026-03
    93/100 stars
    		  Buy from Supplier

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    Figure 1. SARS-CoV-2 3CLpro is released from infected cells by cell lysis and secreted by an unconventional protein-secretion mechanism (A) Immunoblots of 3CLpro precipitated by 33% trichloroacetic acid (TCA) from the conditioned media or in lysates from mock-infected or A549-ACE2 cells 48 hpi with SARS-CoV-2 (MOI 4, n = 5, N = 2). stds, 3CLpro standards. Densitometry of 3CLpro relative to 10 ng 3CLpro standard. (B) 3CLpro, b-tubulin, and GAPDH immunoblots and densitometry of 3CLpro in 33% TCA-precipitated conditioned media or cell lysate from mock-infected or SARS-CoV-2-infected A549-ACE2 cells 48 hpi with MOI 0.1 or 1.0. Dotted line, intracellular 3CLpro/tubulin ratio in MOI 1.0 cell lysate (n = 3/group). (C) Immunoblots and densitometry of 3CLpro in 33% TCA-precipitated conditioned media compared to matched lysates from SARS-CoV-2-infected Vero76 cells 48 hpi (MOI 1) or mock-infected cells (n = 3/group). 3CLpro ppt, 10 ng of 3CLpro precipitated from cell-naive media as a control; std, 10 ng of 3CLpro standard. (D) Immunoblots of 3CLpro in conditioned media concentrated by ultrafiltration and cell lysates from HEK293 cells transfected with 3CLpro expression plasmid for 48 h (n = 8, N = 2). (E) LDH activity in conditioned medium collected from 3CLpro transfected HEK293 cells (48 h) compared with the maximum amount of LDH released from lysed HEK293 cells (n = 6, N = 2). Absorbance was measured at 490 nm with 680 nm correction. (F) Immunoblots and densitometry of 3CLpro in concentrated conditioned medium and cell lysates from HEK293 cells transiently transfected with plasmids encoding 3CLpro or catalytic inactive 3CLpro Cys145Ala for 48 h (n = 5, N = 2). (G) Immunoblots and densitometry of 3CLpro or IFN-l1 after 24 h culture ± Golgi inhibitor 2 mM monensin (n = 6, N = 2). (H) 3CLpro, GSDMD, and b-actin loading control immunoblots and GSDMD densitometry of lysates from mock-infected or SARS-CoV-2-infected A549-ACE2 cells 48 hpi, MOI 0.1 or 1.0 (n = 3/group). (I) Schematic of candidate mechanisms of 3CLpro release from SARS-CoV-2-infected cells. Antibodies: anti-3CLpro (1:1,000, in-house), anti-b-tubulin (1:2,000, clone: BT7R), anti-b-actin (1:2,000, ab8226), anti-GAPDH (1:2,000, clone: GA1R), anti- GSDMD N-terminal antibody (1:500, clone: W18029B), and anti-FLAG M2 (IFN-l1 in G) (1:1,000, F3165). Data are shown as mean ± SD; statistical analysis of two groups was performed by two-tailed unpaired t test, three or more groups by one-way ANOVA with Tukey’s post hoc test, with a significance threshold of p < 0.05.

    Journal: Cell reports

    Article Title: SARS-CoV-2 3CL pro (main protease) regulates caspase activation of gasdermin-D/E pores leading to secretion and extracellular activity of 3CL pro .

    doi: 10.1016/j.celrep.2024.115080

    Figure Lengend Snippet: Figure 1. SARS-CoV-2 3CLpro is released from infected cells by cell lysis and secreted by an unconventional protein-secretion mechanism (A) Immunoblots of 3CLpro precipitated by 33% trichloroacetic acid (TCA) from the conditioned media or in lysates from mock-infected or A549-ACE2 cells 48 hpi with SARS-CoV-2 (MOI 4, n = 5, N = 2). stds, 3CLpro standards. Densitometry of 3CLpro relative to 10 ng 3CLpro standard. (B) 3CLpro, b-tubulin, and GAPDH immunoblots and densitometry of 3CLpro in 33% TCA-precipitated conditioned media or cell lysate from mock-infected or SARS-CoV-2-infected A549-ACE2 cells 48 hpi with MOI 0.1 or 1.0. Dotted line, intracellular 3CLpro/tubulin ratio in MOI 1.0 cell lysate (n = 3/group). (C) Immunoblots and densitometry of 3CLpro in 33% TCA-precipitated conditioned media compared to matched lysates from SARS-CoV-2-infected Vero76 cells 48 hpi (MOI 1) or mock-infected cells (n = 3/group). 3CLpro ppt, 10 ng of 3CLpro precipitated from cell-naive media as a control; std, 10 ng of 3CLpro standard. (D) Immunoblots of 3CLpro in conditioned media concentrated by ultrafiltration and cell lysates from HEK293 cells transfected with 3CLpro expression plasmid for 48 h (n = 8, N = 2). (E) LDH activity in conditioned medium collected from 3CLpro transfected HEK293 cells (48 h) compared with the maximum amount of LDH released from lysed HEK293 cells (n = 6, N = 2). Absorbance was measured at 490 nm with 680 nm correction. (F) Immunoblots and densitometry of 3CLpro in concentrated conditioned medium and cell lysates from HEK293 cells transiently transfected with plasmids encoding 3CLpro or catalytic inactive 3CLpro Cys145Ala for 48 h (n = 5, N = 2). (G) Immunoblots and densitometry of 3CLpro or IFN-l1 after 24 h culture ± Golgi inhibitor 2 mM monensin (n = 6, N = 2). (H) 3CLpro, GSDMD, and b-actin loading control immunoblots and GSDMD densitometry of lysates from mock-infected or SARS-CoV-2-infected A549-ACE2 cells 48 hpi, MOI 0.1 or 1.0 (n = 3/group). (I) Schematic of candidate mechanisms of 3CLpro release from SARS-CoV-2-infected cells. Antibodies: anti-3CLpro (1:1,000, in-house), anti-b-tubulin (1:2,000, clone: BT7R), anti-b-actin (1:2,000, ab8226), anti-GAPDH (1:2,000, clone: GA1R), anti- GSDMD N-terminal antibody (1:500, clone: W18029B), and anti-FLAG M2 (IFN-l1 in G) (1:1,000, F3165). Data are shown as mean ± SD; statistical analysis of two groups was performed by two-tailed unpaired t test, three or more groups by one-way ANOVA with Tukey’s post hoc test, with a significance threshold of p < 0.05.

    Article Snippet: Lentiviruses were produced by co-transfection of HEK293T/ 17 cells with a transfer plasmid encoding ACE2 (Addgene #154981), the lentiviral packaging plasmid psPAX2 (Addgene #12260), and an envelope plasmid encoding VSV-G (Addgene #8454).

    Techniques: Infection, Lysis, Western Blot, Control, Transfection, Expressing, Plasmid Preparation, Activity Assay, Two Tailed Test