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  • 86
    BPS Bioscience fluorogenic hdac1 assay kit
    Dual inhibitors exhibit unique activity against the CoREST complex. a Coomassie stained gel depicting the three components of the CoREST ternary complex after purification by size exclusion chromatography. b Dose response produced by inhibition of LSD1 as part of the CoREST complex by corin and structurally matched compound 7 . c Inhibition curves generated for corin and MS-275 against <t>HDAC1</t> as part of the CoREST complex. d Corin inhibited the deacetylation of reconstituted nucleosomes by the CoREST complex as determined by Western blot (CoREST complex = 100 nM, nucleosome = 100 nM). Data (mean ± SEM) are representative of at least two independent experiments
    Fluorogenic Hdac1 Assay Kit, supplied by BPS Bioscience, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/result/fluorogenic hdac1 assay kit/product/BPS Bioscience
    Average 86 stars, based on 1 article reviews
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    94
    Addgene inc aavs1 targeting sgrna sgcon
    Dual inhibitors exhibit unique activity against the CoREST complex. a Coomassie stained gel depicting the three components of the CoREST ternary complex after purification by size exclusion chromatography. b Dose response produced by inhibition of LSD1 as part of the CoREST complex by corin and structurally matched compound 7 . c Inhibition curves generated for corin and MS-275 against <t>HDAC1</t> as part of the CoREST complex. d Corin inhibited the deacetylation of reconstituted nucleosomes by the CoREST complex as determined by Western blot (CoREST complex = 100 nM, nucleosome = 100 nM). Data (mean ± SEM) are representative of at least two independent experiments
    Aavs1 Targeting Sgrna Sgcon, 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
    https://www.bioz.com/result/aavs1 targeting sgrna sgcon/product/Addgene inc
    Average 94 stars, based on 1 article reviews
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    aavs1 targeting sgrna sgcon - by Bioz Stars, 2021-06
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    92
    Addgene inc brd4 knockout
    Genetic Inhibition of <t>BRD4</t> Overcomes MPNST Cell Resistance to Diverse BET Inhibitors. (A-B) (A) mMPNST and (B) S462 MPNST cells were treated BET inhibitors CPI-203, JQ1, or OTX 015 at the indicated concentrations for 3 days followed by cell viability analysis via ATP CellTiter-Glo assay. (C) mMPNST cells were treated with vehicle or BET inhibitors CPI-203, JQ1, or OTX 015 at the indicated concentrations for 4 days, followed by flow cytometry for Annexin V (+) apoptotic cells. (D) mMPNST cells with or without Brd4 depletion were treatment with vehicle or 1 μM of the indicated BET inhibitors followed by flow cytometry for Annexin V (+) apoptotic cells after 4 days (Inset: Western blot validation of shRNA mediated Brd4 depletion in mMPNST cells). (E-F) Comparative analysis of pan-BET inhibitors JQ1 and CPI-0610 on mMPNST cell viability. shControl and sh Brd4 cells were treated with doxycycline and JQ1 or CPI-0610 for 3 days followed by ATP CellTiter-Glo assay. Data are plotted (E) as multipoint dose response curves relative to vehicle (DMSO) and (F) as individual treatment points relative to vehicle (DMSO). All error bars and statistics are represented as the mean +/− SEM (*p ≤ 0.05, **p ≤ 0.01, ***p ≤ 0.001, ****p ≤ 0.0001).
    Brd4 Knockout, 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
    https://www.bioz.com/result/brd4 knockout/product/Addgene inc
    Average 92 stars, based on 1 article reviews
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    brd4 knockout - by Bioz Stars, 2021-06
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    85
    Novus Biologicals β tubulin
    Genetic Inhibition of <t>BRD4</t> Overcomes MPNST Cell Resistance to Diverse BET Inhibitors. (A-B) (A) mMPNST and (B) S462 MPNST cells were treated BET inhibitors CPI-203, JQ1, or OTX 015 at the indicated concentrations for 3 days followed by cell viability analysis via ATP CellTiter-Glo assay. (C) mMPNST cells were treated with vehicle or BET inhibitors CPI-203, JQ1, or OTX 015 at the indicated concentrations for 4 days, followed by flow cytometry for Annexin V (+) apoptotic cells. (D) mMPNST cells with or without Brd4 depletion were treatment with vehicle or 1 μM of the indicated BET inhibitors followed by flow cytometry for Annexin V (+) apoptotic cells after 4 days (Inset: Western blot validation of shRNA mediated Brd4 depletion in mMPNST cells). (E-F) Comparative analysis of pan-BET inhibitors JQ1 and CPI-0610 on mMPNST cell viability. shControl and sh Brd4 cells were treated with doxycycline and JQ1 or CPI-0610 for 3 days followed by ATP CellTiter-Glo assay. Data are plotted (E) as multipoint dose response curves relative to vehicle (DMSO) and (F) as individual treatment points relative to vehicle (DMSO). All error bars and statistics are represented as the mean +/− SEM (*p ≤ 0.05, **p ≤ 0.01, ***p ≤ 0.001, ****p ≤ 0.0001).
    β Tubulin, supplied by Novus Biologicals, used in various techniques. Bioz Stars score: 85/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/result/β tubulin/product/Novus Biologicals
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    Image Search Results


    Dual inhibitors exhibit unique activity against the CoREST complex. a Coomassie stained gel depicting the three components of the CoREST ternary complex after purification by size exclusion chromatography. b Dose response produced by inhibition of LSD1 as part of the CoREST complex by corin and structurally matched compound 7 . c Inhibition curves generated for corin and MS-275 against HDAC1 as part of the CoREST complex. d Corin inhibited the deacetylation of reconstituted nucleosomes by the CoREST complex as determined by Western blot (CoREST complex = 100 nM, nucleosome = 100 nM). Data (mean ± SEM) are representative of at least two independent experiments

    Journal: Nature Communications

    Article Title: Targeting the CoREST complex with dual histone deacetylase and demethylase inhibitors

    doi: 10.1038/s41467-017-02242-4

    Figure Lengend Snippet: Dual inhibitors exhibit unique activity against the CoREST complex. a Coomassie stained gel depicting the three components of the CoREST ternary complex after purification by size exclusion chromatography. b Dose response produced by inhibition of LSD1 as part of the CoREST complex by corin and structurally matched compound 7 . c Inhibition curves generated for corin and MS-275 against HDAC1 as part of the CoREST complex. d Corin inhibited the deacetylation of reconstituted nucleosomes by the CoREST complex as determined by Western blot (CoREST complex = 100 nM, nucleosome = 100 nM). Data (mean ± SEM) are representative of at least two independent experiments

    Article Snippet: HDAC1 inhibition assay HDAC1 inhibitory activity was determined for each compound using the Fluorogenic HDAC1 assay kit available from BPS Bioscience (50061).

    Techniques: Activity Assay, Staining, Purification, Size-exclusion Chromatography, Produced, Inhibition, Generated, Mass Spectrometry, Western Blot

    Genetic Inhibition of BRD4 Overcomes MPNST Cell Resistance to Diverse BET Inhibitors. (A-B) (A) mMPNST and (B) S462 MPNST cells were treated BET inhibitors CPI-203, JQ1, or OTX 015 at the indicated concentrations for 3 days followed by cell viability analysis via ATP CellTiter-Glo assay. (C) mMPNST cells were treated with vehicle or BET inhibitors CPI-203, JQ1, or OTX 015 at the indicated concentrations for 4 days, followed by flow cytometry for Annexin V (+) apoptotic cells. (D) mMPNST cells with or without Brd4 depletion were treatment with vehicle or 1 μM of the indicated BET inhibitors followed by flow cytometry for Annexin V (+) apoptotic cells after 4 days (Inset: Western blot validation of shRNA mediated Brd4 depletion in mMPNST cells). (E-F) Comparative analysis of pan-BET inhibitors JQ1 and CPI-0610 on mMPNST cell viability. shControl and sh Brd4 cells were treated with doxycycline and JQ1 or CPI-0610 for 3 days followed by ATP CellTiter-Glo assay. Data are plotted (E) as multipoint dose response curves relative to vehicle (DMSO) and (F) as individual treatment points relative to vehicle (DMSO). All error bars and statistics are represented as the mean +/− SEM (*p ≤ 0.05, **p ≤ 0.01, ***p ≤ 0.001, ****p ≤ 0.0001).

    Journal: Clinical cancer research : an official journal of the American Association for Cancer Research

    Article Title: Overcoming BET inhibitor resistance in malignant peripheral nerve sheath tumors

    doi: 10.1158/1078-0432.CCR-18-2437

    Figure Lengend Snippet: Genetic Inhibition of BRD4 Overcomes MPNST Cell Resistance to Diverse BET Inhibitors. (A-B) (A) mMPNST and (B) S462 MPNST cells were treated BET inhibitors CPI-203, JQ1, or OTX 015 at the indicated concentrations for 3 days followed by cell viability analysis via ATP CellTiter-Glo assay. (C) mMPNST cells were treated with vehicle or BET inhibitors CPI-203, JQ1, or OTX 015 at the indicated concentrations for 4 days, followed by flow cytometry for Annexin V (+) apoptotic cells. (D) mMPNST cells with or without Brd4 depletion were treatment with vehicle or 1 μM of the indicated BET inhibitors followed by flow cytometry for Annexin V (+) apoptotic cells after 4 days (Inset: Western blot validation of shRNA mediated Brd4 depletion in mMPNST cells). (E-F) Comparative analysis of pan-BET inhibitors JQ1 and CPI-0610 on mMPNST cell viability. shControl and sh Brd4 cells were treated with doxycycline and JQ1 or CPI-0610 for 3 days followed by ATP CellTiter-Glo assay. Data are plotted (E) as multipoint dose response curves relative to vehicle (DMSO) and (F) as individual treatment points relative to vehicle (DMSO). All error bars and statistics are represented as the mean +/− SEM (*p ≤ 0.05, **p ≤ 0.01, ***p ≤ 0.001, ****p ≤ 0.0001).

    Article Snippet: Brd4 Knockout By CRISPR/Cas9 Genomic editing Doxycycline inducible Cas9 cDNA lentiviral vector (Addgene plasmid #50061 = pCW-Cas9) and additional lentivector constitutively expressing AAVS1-targeting sgRNA (sgCON) (Addgene plasmid #50662 = pLX-sgRNA) or sgBRD4.1 lentivector (pLX-sgRNA vector with AAVS1-sgRNA+PAM_sequence replaced with the following Brd4 -targeting sgRNA+PAM_sequence: GTTCAGCTTGACGGCATCCA) were packaged into lentiviral particles that were used to infect, and select for transduced cells.

    Techniques: Inhibition, Glo Assay, Flow Cytometry, Western Blot, shRNA

    Genetic Inhibition of BRD4 Improves BET Inhibitor Therapeutic Efficacy against MPNST Tumors In Vivo . (A) Flowchart diagram illustrating experimental outline for genetic and pharmacological inhibition of BRD4 in mMPNST allograft tumors in vivo . (B) Tumor growth curves of raw bioluminescence values from luciferase-expressing mMPNST allograft tumors in vivo . (C) Tumor growth curves of mMPNST allograft tumor volume (mm 3 ). (D) Tumor growth or regression assessed by percent change in bioluminescence of luciferase-expressing mMPNST allograft tumors. (E) Waterfall plot of final percent change (at 15 days post-treatment) in bioluminescence of each luciferase-expressing mMPNST allograft tumor per treatment group. (F) Photographs of mMPNST tumors isolated from mice treated with the indicated treatment regimen for 20 days (left panel), and average final weight of tumors from each treatment group (right panel). All error bars and statistics are represented as the mean +/− SEM (*p ≤ 0.05, **p ≤ 0.01, ***p ≤ 0.001, ****p ≤ 0.0001).

    Journal: Clinical cancer research : an official journal of the American Association for Cancer Research

    Article Title: Overcoming BET inhibitor resistance in malignant peripheral nerve sheath tumors

    doi: 10.1158/1078-0432.CCR-18-2437

    Figure Lengend Snippet: Genetic Inhibition of BRD4 Improves BET Inhibitor Therapeutic Efficacy against MPNST Tumors In Vivo . (A) Flowchart diagram illustrating experimental outline for genetic and pharmacological inhibition of BRD4 in mMPNST allograft tumors in vivo . (B) Tumor growth curves of raw bioluminescence values from luciferase-expressing mMPNST allograft tumors in vivo . (C) Tumor growth curves of mMPNST allograft tumor volume (mm 3 ). (D) Tumor growth or regression assessed by percent change in bioluminescence of luciferase-expressing mMPNST allograft tumors. (E) Waterfall plot of final percent change (at 15 days post-treatment) in bioluminescence of each luciferase-expressing mMPNST allograft tumor per treatment group. (F) Photographs of mMPNST tumors isolated from mice treated with the indicated treatment regimen for 20 days (left panel), and average final weight of tumors from each treatment group (right panel). All error bars and statistics are represented as the mean +/− SEM (*p ≤ 0.05, **p ≤ 0.01, ***p ≤ 0.001, ****p ≤ 0.0001).

    Article Snippet: Brd4 Knockout By CRISPR/Cas9 Genomic editing Doxycycline inducible Cas9 cDNA lentiviral vector (Addgene plasmid #50061 = pCW-Cas9) and additional lentivector constitutively expressing AAVS1-targeting sgRNA (sgCON) (Addgene plasmid #50662 = pLX-sgRNA) or sgBRD4.1 lentivector (pLX-sgRNA vector with AAVS1-sgRNA+PAM_sequence replaced with the following Brd4 -targeting sgRNA+PAM_sequence: GTTCAGCTTGACGGCATCCA) were packaged into lentiviral particles that were used to infect, and select for transduced cells.

    Techniques: Inhibition, In Vivo, Luciferase, Expressing, Isolation, Mouse Assay

    BRD4 Depletion Overcomes Resistance to BET Inhibitor-Induced Cell Death in MPNST (A) Diagram illustrating the generation of mouse MPNST cells (mMPNST) with Brd4 knockout via CRISPR-Cas9-based genomic editing. (B) Western blot analysis of BRD4 protein expression in mMPNST cell clones isolated after induction of CRISPR-Cas9 genomic editing with sgRNAs (sgCONTROL or sgBRD4.1) relative to parental mMPNST cells. (C) mMPNST cells with or without Brd4 knockout were treated with vehicle or 1 μM JQ1 followed by cell viability analysis via ATP CellTiter-Glo assay at the indicated time points. (D) mMPNST cells with or without Brd4 knockout were treated with vehicle or 1 μM JQ1 for 4 days followed by flow cytometry analysis for Annexin V (+) apoptotic cells. (E) Western blot validation of doxycycline (Dox)-inducible shRNA-mediated knockdown of BRD4 in mMPNST cells (3 days after Dox treatment). (F) mMPNST cells were treated with doxycycline (to induce shCONTROL or shBrd4.552) in tandem with vehicle or 1 μM JQ1 for 3 days followed by flow cytometry analysis for Annexin V (+) apoptotic cells. (G) mMPNST cells were treated with or without doxycycline (to induce shBrd4.552) in tandem with vehicle or JQ1 at the indicated doses followed by cell viability analysis via phase contrast microscopy after 6 days. (H) Validation of BRD4 knockdown in human S462 MPNST cells by qRT-PCR. (I) Western blot validation of constitutive BRD4 protein knockdown in S462 MPNST cells with shRNAs as listed. (J) S462 MPNST cells with or without constitutive BRD4 knockdown were treated with vehicle or 1 μM JQ1 for 4 days followed by flow cytometry analysis for Annexin V (+) apoptotic cells. All error bars and statistics are represented as the mean +/− SEM (*p ≤ 0.05, **p ≤ 0.01, ***p ≤ 0.001, ****p ≤ 0.0001).

    Journal: Clinical cancer research : an official journal of the American Association for Cancer Research

    Article Title: Overcoming BET inhibitor resistance in malignant peripheral nerve sheath tumors

    doi: 10.1158/1078-0432.CCR-18-2437

    Figure Lengend Snippet: BRD4 Depletion Overcomes Resistance to BET Inhibitor-Induced Cell Death in MPNST (A) Diagram illustrating the generation of mouse MPNST cells (mMPNST) with Brd4 knockout via CRISPR-Cas9-based genomic editing. (B) Western blot analysis of BRD4 protein expression in mMPNST cell clones isolated after induction of CRISPR-Cas9 genomic editing with sgRNAs (sgCONTROL or sgBRD4.1) relative to parental mMPNST cells. (C) mMPNST cells with or without Brd4 knockout were treated with vehicle or 1 μM JQ1 followed by cell viability analysis via ATP CellTiter-Glo assay at the indicated time points. (D) mMPNST cells with or without Brd4 knockout were treated with vehicle or 1 μM JQ1 for 4 days followed by flow cytometry analysis for Annexin V (+) apoptotic cells. (E) Western blot validation of doxycycline (Dox)-inducible shRNA-mediated knockdown of BRD4 in mMPNST cells (3 days after Dox treatment). (F) mMPNST cells were treated with doxycycline (to induce shCONTROL or shBrd4.552) in tandem with vehicle or 1 μM JQ1 for 3 days followed by flow cytometry analysis for Annexin V (+) apoptotic cells. (G) mMPNST cells were treated with or without doxycycline (to induce shBrd4.552) in tandem with vehicle or JQ1 at the indicated doses followed by cell viability analysis via phase contrast microscopy after 6 days. (H) Validation of BRD4 knockdown in human S462 MPNST cells by qRT-PCR. (I) Western blot validation of constitutive BRD4 protein knockdown in S462 MPNST cells with shRNAs as listed. (J) S462 MPNST cells with or without constitutive BRD4 knockdown were treated with vehicle or 1 μM JQ1 for 4 days followed by flow cytometry analysis for Annexin V (+) apoptotic cells. All error bars and statistics are represented as the mean +/− SEM (*p ≤ 0.05, **p ≤ 0.01, ***p ≤ 0.001, ****p ≤ 0.0001).

    Article Snippet: Brd4 Knockout By CRISPR/Cas9 Genomic editing Doxycycline inducible Cas9 cDNA lentiviral vector (Addgene plasmid #50061 = pCW-Cas9) and additional lentivector constitutively expressing AAVS1-targeting sgRNA (sgCON) (Addgene plasmid #50662 = pLX-sgRNA) or sgBRD4.1 lentivector (pLX-sgRNA vector with AAVS1-sgRNA+PAM_sequence replaced with the following Brd4 -targeting sgRNA+PAM_sequence: GTTCAGCTTGACGGCATCCA) were packaged into lentiviral particles that were used to infect, and select for transduced cells.

    Techniques: Knock-Out, CRISPR, Western Blot, Expressing, Clone Assay, Isolation, Glo Assay, Flow Cytometry, shRNA, Microscopy, Quantitative RT-PCR

    PROTAC-Mediated BRD4 Depletion Can Bypass BRD4-High Leukemia Cell Resistance to BET Inhibitors. (A) Western blot analysis of relative baseline BRD4 protein expression in leukemia cell lines. Densitometry percentages for BRD4 (BRD4/GAPDH) were calculated via ImageJ and are listed relative to K-562 cells. (B) Leukemia cell lines were treated with vehicle or 1 μM JQ1 for 4 days followed by flow cytometry analysis for Annexin V (+) apoptotic cells. (C) Leukemia cell lines were treated with vehicle or JQ1 at the indicated concentrations for 4 days followed by cell viability analysis via ATP CellTiter-Glo assay. (D-E) Effect of PROTAC-mediated BRD4 depletion versus BET inhibitor treatment on apoptosis induction in K-562 (D) or Kasumi-1 (E) leukemia cells, as assessed by flow cytometry for Annexin V (+) cells (n=3 per treatment) and by western blotting for BRD4 expression (3 days after treatment). Densitometry percentages for BRD4 (BRD4/a,b-Tubulin) were calculated via ImageJ and are listed relative to vehicle (DMSO). (F) Comparative analysis of BET inhibitor or PROTAC treatment on Kasumi-1 cell viability. shControl Kasumi-1 cells were treated with compounds as listed for 3 days followed by ATP CellTiter-Glo assay. Data are plotted as multipoint dose response curves (n=3 per concentration) normalized to the lowest treated dose (1 pM). All error bars and statistics are represented as the mean +/− SEM (*p ≤ 0.05, **p ≤ 0.01, ***p ≤ 0.001, ****p ≤ 0.0001).

    Journal: Clinical cancer research : an official journal of the American Association for Cancer Research

    Article Title: Overcoming BET inhibitor resistance in malignant peripheral nerve sheath tumors

    doi: 10.1158/1078-0432.CCR-18-2437

    Figure Lengend Snippet: PROTAC-Mediated BRD4 Depletion Can Bypass BRD4-High Leukemia Cell Resistance to BET Inhibitors. (A) Western blot analysis of relative baseline BRD4 protein expression in leukemia cell lines. Densitometry percentages for BRD4 (BRD4/GAPDH) were calculated via ImageJ and are listed relative to K-562 cells. (B) Leukemia cell lines were treated with vehicle or 1 μM JQ1 for 4 days followed by flow cytometry analysis for Annexin V (+) apoptotic cells. (C) Leukemia cell lines were treated with vehicle or JQ1 at the indicated concentrations for 4 days followed by cell viability analysis via ATP CellTiter-Glo assay. (D-E) Effect of PROTAC-mediated BRD4 depletion versus BET inhibitor treatment on apoptosis induction in K-562 (D) or Kasumi-1 (E) leukemia cells, as assessed by flow cytometry for Annexin V (+) cells (n=3 per treatment) and by western blotting for BRD4 expression (3 days after treatment). Densitometry percentages for BRD4 (BRD4/a,b-Tubulin) were calculated via ImageJ and are listed relative to vehicle (DMSO). (F) Comparative analysis of BET inhibitor or PROTAC treatment on Kasumi-1 cell viability. shControl Kasumi-1 cells were treated with compounds as listed for 3 days followed by ATP CellTiter-Glo assay. Data are plotted as multipoint dose response curves (n=3 per concentration) normalized to the lowest treated dose (1 pM). All error bars and statistics are represented as the mean +/− SEM (*p ≤ 0.05, **p ≤ 0.01, ***p ≤ 0.001, ****p ≤ 0.0001).

    Article Snippet: Brd4 Knockout By CRISPR/Cas9 Genomic editing Doxycycline inducible Cas9 cDNA lentiviral vector (Addgene plasmid #50061 = pCW-Cas9) and additional lentivector constitutively expressing AAVS1-targeting sgRNA (sgCON) (Addgene plasmid #50662 = pLX-sgRNA) or sgBRD4.1 lentivector (pLX-sgRNA vector with AAVS1-sgRNA+PAM_sequence replaced with the following Brd4 -targeting sgRNA+PAM_sequence: GTTCAGCTTGACGGCATCCA) were packaged into lentiviral particles that were used to infect, and select for transduced cells.

    Techniques: Western Blot, Expressing, Flow Cytometry, Glo Assay, Concentration Assay