Reactivation of Latent HIV-1 by Inhibition of BRD4

HIV-1 depends on many host factors for propagation. Other host factors, however, antagonize HIV-1 and may have profound effects on viral activation. Curing HIV-1 requires the reduction of latent viral reservoirs that remain in the face of antiretroviral therapy. Using orthologous genetic screens, we...
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Autor*in:	Jian Zhu [verfasserIn] Gaurav D. Gaiha [verfasserIn] Sinu P. John [verfasserIn] Thomas Pertel [verfasserIn] Christopher R. Chin [verfasserIn] Geng Gao [verfasserIn] Hongjing Qu [verfasserIn] Bruce D. Walker [verfasserIn] Stephen J. Elledge [verfasserIn] Abraham L. Brass [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2012

Übergeordnetes Werk:	In: Cell Reports - Elsevier, 2015, 2(2012), 4, Seite 807-816
Übergeordnetes Werk:	volume:2 ; year:2012 ; number:4 ; pages:807-816

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1016/j.celrep.2012.09.008

Katalog-ID:	DOAJ067190774

Internformat


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520			\|a HIV-1 depends on many host factors for propagation. Other host factors, however, antagonize HIV-1 and may have profound effects on viral activation. Curing HIV-1 requires the reduction of latent viral reservoirs that remain in the face of antiretroviral therapy. Using orthologous genetic screens, we identified bromodomain containing 4 (BRD4) as a negative regulator of HIV-1 replication. Antagonism of BRD4, via RNA interference or with a small molecule inhibitor, JQ1, both increased proviral transcriptional elongation and alleviated HIV-1 latency in cell-line models. In multiple instances, JQ1, when used in combination with the NF-κB activators Prostratin or PHA, enhanced the in vitro reactivation of latent HIV-1 in primary T cells. These data are consistent with a model wherein BRD4 competes with the virus for HIV-1 dependency factors (HDFs) and suggests that combinatorial therapies that activate HDFs and antagonize HIV-1 competitive factors may be useful for curing HIV-1 infection.
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700	0		\|a Stephen J. Elledge \|e verfasserin \|4 aut
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allfields	10.1016/j.celrep.2012.09.008 doi (DE-627)DOAJ067190774 (DE-599)DOAJc79ff68d377844489f7b58a07affe3be DE-627 ger DE-627 rakwb eng QH301-705.5 Jian Zhu verfasserin aut Reactivation of Latent HIV-1 by Inhibition of BRD4 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier HIV-1 depends on many host factors for propagation. Other host factors, however, antagonize HIV-1 and may have profound effects on viral activation. Curing HIV-1 requires the reduction of latent viral reservoirs that remain in the face of antiretroviral therapy. Using orthologous genetic screens, we identified bromodomain containing 4 (BRD4) as a negative regulator of HIV-1 replication. Antagonism of BRD4, via RNA interference or with a small molecule inhibitor, JQ1, both increased proviral transcriptional elongation and alleviated HIV-1 latency in cell-line models. In multiple instances, JQ1, when used in combination with the NF-κB activators Prostratin or PHA, enhanced the in vitro reactivation of latent HIV-1 in primary T cells. These data are consistent with a model wherein BRD4 competes with the virus for HIV-1 dependency factors (HDFs) and suggests that combinatorial therapies that activate HDFs and antagonize HIV-1 competitive factors may be useful for curing HIV-1 infection. Biology (General) Gaurav D. Gaiha verfasserin aut Sinu P. John verfasserin aut Thomas Pertel verfasserin aut Christopher R. Chin verfasserin aut Geng Gao verfasserin aut Hongjing Qu verfasserin aut Bruce D. Walker verfasserin aut Stephen J. Elledge verfasserin aut Abraham L. Brass verfasserin aut In Cell Reports Elsevier, 2015 2(2012), 4, Seite 807-816 (DE-627)684964562 (DE-600)2649101-1 22111247 nnns volume:2 year:2012 number:4 pages:807-816 https://doi.org/10.1016/j.celrep.2012.09.008 kostenfrei https://doaj.org/article/c79ff68d377844489f7b58a07affe3be kostenfrei http://www.sciencedirect.com/science/article/pii/S2211124712002896 kostenfrei https://doaj.org/toc/2211-1247 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 2 2012 4 807-816
spelling	10.1016/j.celrep.2012.09.008 doi (DE-627)DOAJ067190774 (DE-599)DOAJc79ff68d377844489f7b58a07affe3be DE-627 ger DE-627 rakwb eng QH301-705.5 Jian Zhu verfasserin aut Reactivation of Latent HIV-1 by Inhibition of BRD4 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier HIV-1 depends on many host factors for propagation. Other host factors, however, antagonize HIV-1 and may have profound effects on viral activation. Curing HIV-1 requires the reduction of latent viral reservoirs that remain in the face of antiretroviral therapy. Using orthologous genetic screens, we identified bromodomain containing 4 (BRD4) as a negative regulator of HIV-1 replication. Antagonism of BRD4, via RNA interference or with a small molecule inhibitor, JQ1, both increased proviral transcriptional elongation and alleviated HIV-1 latency in cell-line models. In multiple instances, JQ1, when used in combination with the NF-κB activators Prostratin or PHA, enhanced the in vitro reactivation of latent HIV-1 in primary T cells. These data are consistent with a model wherein BRD4 competes with the virus for HIV-1 dependency factors (HDFs) and suggests that combinatorial therapies that activate HDFs and antagonize HIV-1 competitive factors may be useful for curing HIV-1 infection. Biology (General) Gaurav D. Gaiha verfasserin aut Sinu P. John verfasserin aut Thomas Pertel verfasserin aut Christopher R. Chin verfasserin aut Geng Gao verfasserin aut Hongjing Qu verfasserin aut Bruce D. Walker verfasserin aut Stephen J. Elledge verfasserin aut Abraham L. Brass verfasserin aut In Cell Reports Elsevier, 2015 2(2012), 4, Seite 807-816 (DE-627)684964562 (DE-600)2649101-1 22111247 nnns volume:2 year:2012 number:4 pages:807-816 https://doi.org/10.1016/j.celrep.2012.09.008 kostenfrei https://doaj.org/article/c79ff68d377844489f7b58a07affe3be kostenfrei http://www.sciencedirect.com/science/article/pii/S2211124712002896 kostenfrei https://doaj.org/toc/2211-1247 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 2 2012 4 807-816
allfields_unstemmed	10.1016/j.celrep.2012.09.008 doi (DE-627)DOAJ067190774 (DE-599)DOAJc79ff68d377844489f7b58a07affe3be DE-627 ger DE-627 rakwb eng QH301-705.5 Jian Zhu verfasserin aut Reactivation of Latent HIV-1 by Inhibition of BRD4 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier HIV-1 depends on many host factors for propagation. Other host factors, however, antagonize HIV-1 and may have profound effects on viral activation. Curing HIV-1 requires the reduction of latent viral reservoirs that remain in the face of antiretroviral therapy. Using orthologous genetic screens, we identified bromodomain containing 4 (BRD4) as a negative regulator of HIV-1 replication. Antagonism of BRD4, via RNA interference or with a small molecule inhibitor, JQ1, both increased proviral transcriptional elongation and alleviated HIV-1 latency in cell-line models. In multiple instances, JQ1, when used in combination with the NF-κB activators Prostratin or PHA, enhanced the in vitro reactivation of latent HIV-1 in primary T cells. These data are consistent with a model wherein BRD4 competes with the virus for HIV-1 dependency factors (HDFs) and suggests that combinatorial therapies that activate HDFs and antagonize HIV-1 competitive factors may be useful for curing HIV-1 infection. Biology (General) Gaurav D. Gaiha verfasserin aut Sinu P. John verfasserin aut Thomas Pertel verfasserin aut Christopher R. Chin verfasserin aut Geng Gao verfasserin aut Hongjing Qu verfasserin aut Bruce D. Walker verfasserin aut Stephen J. Elledge verfasserin aut Abraham L. Brass verfasserin aut In Cell Reports Elsevier, 2015 2(2012), 4, Seite 807-816 (DE-627)684964562 (DE-600)2649101-1 22111247 nnns volume:2 year:2012 number:4 pages:807-816 https://doi.org/10.1016/j.celrep.2012.09.008 kostenfrei https://doaj.org/article/c79ff68d377844489f7b58a07affe3be kostenfrei http://www.sciencedirect.com/science/article/pii/S2211124712002896 kostenfrei https://doaj.org/toc/2211-1247 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 2 2012 4 807-816
allfieldsGer	10.1016/j.celrep.2012.09.008 doi (DE-627)DOAJ067190774 (DE-599)DOAJc79ff68d377844489f7b58a07affe3be DE-627 ger DE-627 rakwb eng QH301-705.5 Jian Zhu verfasserin aut Reactivation of Latent HIV-1 by Inhibition of BRD4 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier HIV-1 depends on many host factors for propagation. Other host factors, however, antagonize HIV-1 and may have profound effects on viral activation. Curing HIV-1 requires the reduction of latent viral reservoirs that remain in the face of antiretroviral therapy. Using orthologous genetic screens, we identified bromodomain containing 4 (BRD4) as a negative regulator of HIV-1 replication. Antagonism of BRD4, via RNA interference or with a small molecule inhibitor, JQ1, both increased proviral transcriptional elongation and alleviated HIV-1 latency in cell-line models. In multiple instances, JQ1, when used in combination with the NF-κB activators Prostratin or PHA, enhanced the in vitro reactivation of latent HIV-1 in primary T cells. These data are consistent with a model wherein BRD4 competes with the virus for HIV-1 dependency factors (HDFs) and suggests that combinatorial therapies that activate HDFs and antagonize HIV-1 competitive factors may be useful for curing HIV-1 infection. Biology (General) Gaurav D. Gaiha verfasserin aut Sinu P. John verfasserin aut Thomas Pertel verfasserin aut Christopher R. Chin verfasserin aut Geng Gao verfasserin aut Hongjing Qu verfasserin aut Bruce D. Walker verfasserin aut Stephen J. Elledge verfasserin aut Abraham L. Brass verfasserin aut In Cell Reports Elsevier, 2015 2(2012), 4, Seite 807-816 (DE-627)684964562 (DE-600)2649101-1 22111247 nnns volume:2 year:2012 number:4 pages:807-816 https://doi.org/10.1016/j.celrep.2012.09.008 kostenfrei https://doaj.org/article/c79ff68d377844489f7b58a07affe3be kostenfrei http://www.sciencedirect.com/science/article/pii/S2211124712002896 kostenfrei https://doaj.org/toc/2211-1247 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 2 2012 4 807-816
allfieldsSound	10.1016/j.celrep.2012.09.008 doi (DE-627)DOAJ067190774 (DE-599)DOAJc79ff68d377844489f7b58a07affe3be DE-627 ger DE-627 rakwb eng QH301-705.5 Jian Zhu verfasserin aut Reactivation of Latent HIV-1 by Inhibition of BRD4 2012 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier HIV-1 depends on many host factors for propagation. Other host factors, however, antagonize HIV-1 and may have profound effects on viral activation. Curing HIV-1 requires the reduction of latent viral reservoirs that remain in the face of antiretroviral therapy. Using orthologous genetic screens, we identified bromodomain containing 4 (BRD4) as a negative regulator of HIV-1 replication. Antagonism of BRD4, via RNA interference or with a small molecule inhibitor, JQ1, both increased proviral transcriptional elongation and alleviated HIV-1 latency in cell-line models. In multiple instances, JQ1, when used in combination with the NF-κB activators Prostratin or PHA, enhanced the in vitro reactivation of latent HIV-1 in primary T cells. These data are consistent with a model wherein BRD4 competes with the virus for HIV-1 dependency factors (HDFs) and suggests that combinatorial therapies that activate HDFs and antagonize HIV-1 competitive factors may be useful for curing HIV-1 infection. Biology (General) Gaurav D. Gaiha verfasserin aut Sinu P. John verfasserin aut Thomas Pertel verfasserin aut Christopher R. Chin verfasserin aut Geng Gao verfasserin aut Hongjing Qu verfasserin aut Bruce D. Walker verfasserin aut Stephen J. Elledge verfasserin aut Abraham L. Brass verfasserin aut In Cell Reports Elsevier, 2015 2(2012), 4, Seite 807-816 (DE-627)684964562 (DE-600)2649101-1 22111247 nnns volume:2 year:2012 number:4 pages:807-816 https://doi.org/10.1016/j.celrep.2012.09.008 kostenfrei https://doaj.org/article/c79ff68d377844489f7b58a07affe3be kostenfrei http://www.sciencedirect.com/science/article/pii/S2211124712002896 kostenfrei https://doaj.org/toc/2211-1247 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 2 2012 4 807-816
language	English
source	In Cell Reports 2(2012), 4, Seite 807-816 volume:2 year:2012 number:4 pages:807-816
sourceStr	In Cell Reports 2(2012), 4, Seite 807-816 volume:2 year:2012 number:4 pages:807-816
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Biology (General)
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container_title	Cell Reports
authorswithroles_txt_mv	Jian Zhu @@aut@@ Gaurav D. Gaiha @@aut@@ Sinu P. John @@aut@@ Thomas Pertel @@aut@@ Christopher R. Chin @@aut@@ Geng Gao @@aut@@ Hongjing Qu @@aut@@ Bruce D. Walker @@aut@@ Stephen J. Elledge @@aut@@ Abraham L. Brass @@aut@@
publishDateDaySort_date	2012-01-01T00:00:00Z
hierarchy_top_id	684964562
id	DOAJ067190774
language_de	englisch
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callnumber-first	Q - Science
author	Jian Zhu
spellingShingle	Jian Zhu misc QH301-705.5 misc Biology (General) Reactivation of Latent HIV-1 by Inhibition of BRD4
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topic_title	QH301-705.5 Reactivation of Latent HIV-1 by Inhibition of BRD4
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title	Reactivation of Latent HIV-1 by Inhibition of BRD4
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title_full	Reactivation of Latent HIV-1 by Inhibition of BRD4
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author_browse	Jian Zhu Gaurav D. Gaiha Sinu P. John Thomas Pertel Christopher R. Chin Geng Gao Hongjing Qu Bruce D. Walker Stephen J. Elledge Abraham L. Brass
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title_sort	reactivation of latent hiv-1 by inhibition of brd4
callnumber	QH301-705.5
title_auth	Reactivation of Latent HIV-1 by Inhibition of BRD4
abstract	HIV-1 depends on many host factors for propagation. Other host factors, however, antagonize HIV-1 and may have profound effects on viral activation. Curing HIV-1 requires the reduction of latent viral reservoirs that remain in the face of antiretroviral therapy. Using orthologous genetic screens, we identified bromodomain containing 4 (BRD4) as a negative regulator of HIV-1 replication. Antagonism of BRD4, via RNA interference or with a small molecule inhibitor, JQ1, both increased proviral transcriptional elongation and alleviated HIV-1 latency in cell-line models. In multiple instances, JQ1, when used in combination with the NF-κB activators Prostratin or PHA, enhanced the in vitro reactivation of latent HIV-1 in primary T cells. These data are consistent with a model wherein BRD4 competes with the virus for HIV-1 dependency factors (HDFs) and suggests that combinatorial therapies that activate HDFs and antagonize HIV-1 competitive factors may be useful for curing HIV-1 infection.
abstractGer	HIV-1 depends on many host factors for propagation. Other host factors, however, antagonize HIV-1 and may have profound effects on viral activation. Curing HIV-1 requires the reduction of latent viral reservoirs that remain in the face of antiretroviral therapy. Using orthologous genetic screens, we identified bromodomain containing 4 (BRD4) as a negative regulator of HIV-1 replication. Antagonism of BRD4, via RNA interference or with a small molecule inhibitor, JQ1, both increased proviral transcriptional elongation and alleviated HIV-1 latency in cell-line models. In multiple instances, JQ1, when used in combination with the NF-κB activators Prostratin or PHA, enhanced the in vitro reactivation of latent HIV-1 in primary T cells. These data are consistent with a model wherein BRD4 competes with the virus for HIV-1 dependency factors (HDFs) and suggests that combinatorial therapies that activate HDFs and antagonize HIV-1 competitive factors may be useful for curing HIV-1 infection.
abstract_unstemmed	HIV-1 depends on many host factors for propagation. Other host factors, however, antagonize HIV-1 and may have profound effects on viral activation. Curing HIV-1 requires the reduction of latent viral reservoirs that remain in the face of antiretroviral therapy. Using orthologous genetic screens, we identified bromodomain containing 4 (BRD4) as a negative regulator of HIV-1 replication. Antagonism of BRD4, via RNA interference or with a small molecule inhibitor, JQ1, both increased proviral transcriptional elongation and alleviated HIV-1 latency in cell-line models. In multiple instances, JQ1, when used in combination with the NF-κB activators Prostratin or PHA, enhanced the in vitro reactivation of latent HIV-1 in primary T cells. These data are consistent with a model wherein BRD4 competes with the virus for HIV-1 dependency factors (HDFs) and suggests that combinatorial therapies that activate HDFs and antagonize HIV-1 competitive factors may be useful for curing HIV-1 infection.
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title_short	Reactivation of Latent HIV-1 by Inhibition of BRD4
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