Androgen regulation of 5α-reductase isoenzymes in prostate cancer: implications for prostate cancer prevention.

The enzyme 5α-reductase, which converts testosterone to dihydrotestosterone (DHT), performs key functions in the androgen receptor (AR) signaling pathway. The three isoenzymes of 5α-reductase identified to date are encoded by different genes: SRD5A1, SRD5A2, and SRD5A3. In this study, we investigate...
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Autor*in:	Jin Li [verfasserIn] Zhiyong Ding [verfasserIn] Zhengxin Wang [verfasserIn] Jing-Fang Lu [verfasserIn] Sankar N Maity [verfasserIn] Nora M Navone [verfasserIn] Christopher J Logothetis [verfasserIn] Gordon B Mills [verfasserIn] Jeri Kim [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2011

Übergeordnetes Werk:	In: PLoS ONE - Public Library of Science (PLoS), 2007, 6(2011), 12, p e28840
Übergeordnetes Werk:	volume:6 ; year:2011 ; number:12, p e28840

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1371/journal.pone.0028840

Katalog-ID:	DOAJ020301049

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520			\|a The enzyme 5α-reductase, which converts testosterone to dihydrotestosterone (DHT), performs key functions in the androgen receptor (AR) signaling pathway. The three isoenzymes of 5α-reductase identified to date are encoded by different genes: SRD5A1, SRD5A2, and SRD5A3. In this study, we investigated mechanisms underlying androgen regulation of 5α-reductase isoenzyme expression in human prostate cells. We found that androgen regulates the mRNA level of 5α-reductase isoenzymes in a cell type-specific manner, that such regulation occurs at the transcriptional level, and that AR is necessary for this regulation. In addition, our results suggest that AR is recruited to a negative androgen response element (nARE) on the promoter of SRD5A3 in vivo and directly binds to the nARE in vitro. The different expression levels of 5α-reductase isoenzymes may confer response or resistance to 5α-reductase inhibitors and thus may have importance in prostate cancer prevention.
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author_variant	j l jl z d zd z w zw j f l jfl s n m snm n m n nmn c j l cjl g b m gbm j k jk
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publishDate	2011
allfields	10.1371/journal.pone.0028840 doi (DE-627)DOAJ020301049 (DE-599)DOAJ8c9095ed271a40ffafefd016f9ed188b DE-627 ger DE-627 rakwb eng Jin Li verfasserin aut Androgen regulation of 5α-reductase isoenzymes in prostate cancer: implications for prostate cancer prevention. 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The enzyme 5α-reductase, which converts testosterone to dihydrotestosterone (DHT), performs key functions in the androgen receptor (AR) signaling pathway. The three isoenzymes of 5α-reductase identified to date are encoded by different genes: SRD5A1, SRD5A2, and SRD5A3. In this study, we investigated mechanisms underlying androgen regulation of 5α-reductase isoenzyme expression in human prostate cells. We found that androgen regulates the mRNA level of 5α-reductase isoenzymes in a cell type-specific manner, that such regulation occurs at the transcriptional level, and that AR is necessary for this regulation. In addition, our results suggest that AR is recruited to a negative androgen response element (nARE) on the promoter of SRD5A3 in vivo and directly binds to the nARE in vitro. The different expression levels of 5α-reductase isoenzymes may confer response or resistance to 5α-reductase inhibitors and thus may have importance in prostate cancer prevention. Medicine R Science Q Zhiyong Ding verfasserin aut Zhengxin Wang verfasserin aut Jing-Fang Lu verfasserin aut Sankar N Maity verfasserin aut Nora M Navone verfasserin aut Christopher J Logothetis verfasserin aut Gordon B Mills verfasserin aut Jeri Kim verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 6(2011), 12, p e28840 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:6 year:2011 number:12, p e28840 https://doi.org/10.1371/journal.pone.0028840 kostenfrei https://doaj.org/article/8c9095ed271a40ffafefd016f9ed188b kostenfrei http://europepmc.org/articles/PMC3237548?pdf=render kostenfrei https://doaj.org/toc/1932-6203 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_34 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_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_235 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 6 2011 12, p e28840
spelling	10.1371/journal.pone.0028840 doi (DE-627)DOAJ020301049 (DE-599)DOAJ8c9095ed271a40ffafefd016f9ed188b DE-627 ger DE-627 rakwb eng Jin Li verfasserin aut Androgen regulation of 5α-reductase isoenzymes in prostate cancer: implications for prostate cancer prevention. 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The enzyme 5α-reductase, which converts testosterone to dihydrotestosterone (DHT), performs key functions in the androgen receptor (AR) signaling pathway. The three isoenzymes of 5α-reductase identified to date are encoded by different genes: SRD5A1, SRD5A2, and SRD5A3. In this study, we investigated mechanisms underlying androgen regulation of 5α-reductase isoenzyme expression in human prostate cells. We found that androgen regulates the mRNA level of 5α-reductase isoenzymes in a cell type-specific manner, that such regulation occurs at the transcriptional level, and that AR is necessary for this regulation. In addition, our results suggest that AR is recruited to a negative androgen response element (nARE) on the promoter of SRD5A3 in vivo and directly binds to the nARE in vitro. The different expression levels of 5α-reductase isoenzymes may confer response or resistance to 5α-reductase inhibitors and thus may have importance in prostate cancer prevention. Medicine R Science Q Zhiyong Ding verfasserin aut Zhengxin Wang verfasserin aut Jing-Fang Lu verfasserin aut Sankar N Maity verfasserin aut Nora M Navone verfasserin aut Christopher J Logothetis verfasserin aut Gordon B Mills verfasserin aut Jeri Kim verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 6(2011), 12, p e28840 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:6 year:2011 number:12, p e28840 https://doi.org/10.1371/journal.pone.0028840 kostenfrei https://doaj.org/article/8c9095ed271a40ffafefd016f9ed188b kostenfrei http://europepmc.org/articles/PMC3237548?pdf=render kostenfrei https://doaj.org/toc/1932-6203 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_34 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_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_235 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 6 2011 12, p e28840
allfields_unstemmed	10.1371/journal.pone.0028840 doi (DE-627)DOAJ020301049 (DE-599)DOAJ8c9095ed271a40ffafefd016f9ed188b DE-627 ger DE-627 rakwb eng Jin Li verfasserin aut Androgen regulation of 5α-reductase isoenzymes in prostate cancer: implications for prostate cancer prevention. 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The enzyme 5α-reductase, which converts testosterone to dihydrotestosterone (DHT), performs key functions in the androgen receptor (AR) signaling pathway. The three isoenzymes of 5α-reductase identified to date are encoded by different genes: SRD5A1, SRD5A2, and SRD5A3. In this study, we investigated mechanisms underlying androgen regulation of 5α-reductase isoenzyme expression in human prostate cells. We found that androgen regulates the mRNA level of 5α-reductase isoenzymes in a cell type-specific manner, that such regulation occurs at the transcriptional level, and that AR is necessary for this regulation. In addition, our results suggest that AR is recruited to a negative androgen response element (nARE) on the promoter of SRD5A3 in vivo and directly binds to the nARE in vitro. The different expression levels of 5α-reductase isoenzymes may confer response or resistance to 5α-reductase inhibitors and thus may have importance in prostate cancer prevention. Medicine R Science Q Zhiyong Ding verfasserin aut Zhengxin Wang verfasserin aut Jing-Fang Lu verfasserin aut Sankar N Maity verfasserin aut Nora M Navone verfasserin aut Christopher J Logothetis verfasserin aut Gordon B Mills verfasserin aut Jeri Kim verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 6(2011), 12, p e28840 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:6 year:2011 number:12, p e28840 https://doi.org/10.1371/journal.pone.0028840 kostenfrei https://doaj.org/article/8c9095ed271a40ffafefd016f9ed188b kostenfrei http://europepmc.org/articles/PMC3237548?pdf=render kostenfrei https://doaj.org/toc/1932-6203 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_34 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_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_235 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 6 2011 12, p e28840
allfieldsGer	10.1371/journal.pone.0028840 doi (DE-627)DOAJ020301049 (DE-599)DOAJ8c9095ed271a40ffafefd016f9ed188b DE-627 ger DE-627 rakwb eng Jin Li verfasserin aut Androgen regulation of 5α-reductase isoenzymes in prostate cancer: implications for prostate cancer prevention. 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The enzyme 5α-reductase, which converts testosterone to dihydrotestosterone (DHT), performs key functions in the androgen receptor (AR) signaling pathway. The three isoenzymes of 5α-reductase identified to date are encoded by different genes: SRD5A1, SRD5A2, and SRD5A3. In this study, we investigated mechanisms underlying androgen regulation of 5α-reductase isoenzyme expression in human prostate cells. We found that androgen regulates the mRNA level of 5α-reductase isoenzymes in a cell type-specific manner, that such regulation occurs at the transcriptional level, and that AR is necessary for this regulation. In addition, our results suggest that AR is recruited to a negative androgen response element (nARE) on the promoter of SRD5A3 in vivo and directly binds to the nARE in vitro. The different expression levels of 5α-reductase isoenzymes may confer response or resistance to 5α-reductase inhibitors and thus may have importance in prostate cancer prevention. Medicine R Science Q Zhiyong Ding verfasserin aut Zhengxin Wang verfasserin aut Jing-Fang Lu verfasserin aut Sankar N Maity verfasserin aut Nora M Navone verfasserin aut Christopher J Logothetis verfasserin aut Gordon B Mills verfasserin aut Jeri Kim verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 6(2011), 12, p e28840 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:6 year:2011 number:12, p e28840 https://doi.org/10.1371/journal.pone.0028840 kostenfrei https://doaj.org/article/8c9095ed271a40ffafefd016f9ed188b kostenfrei http://europepmc.org/articles/PMC3237548?pdf=render kostenfrei https://doaj.org/toc/1932-6203 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_34 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_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_235 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 6 2011 12, p e28840
allfieldsSound	10.1371/journal.pone.0028840 doi (DE-627)DOAJ020301049 (DE-599)DOAJ8c9095ed271a40ffafefd016f9ed188b DE-627 ger DE-627 rakwb eng Jin Li verfasserin aut Androgen regulation of 5α-reductase isoenzymes in prostate cancer: implications for prostate cancer prevention. 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The enzyme 5α-reductase, which converts testosterone to dihydrotestosterone (DHT), performs key functions in the androgen receptor (AR) signaling pathway. The three isoenzymes of 5α-reductase identified to date are encoded by different genes: SRD5A1, SRD5A2, and SRD5A3. In this study, we investigated mechanisms underlying androgen regulation of 5α-reductase isoenzyme expression in human prostate cells. We found that androgen regulates the mRNA level of 5α-reductase isoenzymes in a cell type-specific manner, that such regulation occurs at the transcriptional level, and that AR is necessary for this regulation. In addition, our results suggest that AR is recruited to a negative androgen response element (nARE) on the promoter of SRD5A3 in vivo and directly binds to the nARE in vitro. The different expression levels of 5α-reductase isoenzymes may confer response or resistance to 5α-reductase inhibitors and thus may have importance in prostate cancer prevention. Medicine R Science Q Zhiyong Ding verfasserin aut Zhengxin Wang verfasserin aut Jing-Fang Lu verfasserin aut Sankar N Maity verfasserin aut Nora M Navone verfasserin aut Christopher J Logothetis verfasserin aut Gordon B Mills verfasserin aut Jeri Kim verfasserin aut In PLoS ONE Public Library of Science (PLoS), 2007 6(2011), 12, p e28840 (DE-627)523574592 (DE-600)2267670-3 19326203 nnns volume:6 year:2011 number:12, p e28840 https://doi.org/10.1371/journal.pone.0028840 kostenfrei https://doaj.org/article/8c9095ed271a40ffafefd016f9ed188b kostenfrei http://europepmc.org/articles/PMC3237548?pdf=render kostenfrei https://doaj.org/toc/1932-6203 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_34 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_171 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_235 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 6 2011 12, p e28840
language	English
source	In PLoS ONE 6(2011), 12, p e28840 volume:6 year:2011 number:12, p e28840
sourceStr	In PLoS ONE 6(2011), 12, p e28840 volume:6 year:2011 number:12, p e28840
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Medicine R Science Q
isfreeaccess_bool	true
container_title	PLoS ONE
authorswithroles_txt_mv	Jin Li @@aut@@ Zhiyong Ding @@aut@@ Zhengxin Wang @@aut@@ Jing-Fang Lu @@aut@@ Sankar N Maity @@aut@@ Nora M Navone @@aut@@ Christopher J Logothetis @@aut@@ Gordon B Mills @@aut@@ Jeri Kim @@aut@@
publishDateDaySort_date	2011-01-01T00:00:00Z
hierarchy_top_id	523574592
id	DOAJ020301049
language_de	englisch
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author	Jin Li
spellingShingle	Jin Li misc Medicine misc R misc Science misc Q Androgen regulation of 5α-reductase isoenzymes in prostate cancer: implications for prostate cancer prevention.
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topic_title	Androgen regulation of 5α-reductase isoenzymes in prostate cancer: implications for prostate cancer prevention
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title	Androgen regulation of 5α-reductase isoenzymes in prostate cancer: implications for prostate cancer prevention.
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author_browse	Jin Li Zhiyong Ding Zhengxin Wang Jing-Fang Lu Sankar N Maity Nora M Navone Christopher J Logothetis Gordon B Mills Jeri Kim
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title_sort	androgen regulation of 5α-reductase isoenzymes in prostate cancer: implications for prostate cancer prevention
title_auth	Androgen regulation of 5α-reductase isoenzymes in prostate cancer: implications for prostate cancer prevention.
abstract	The enzyme 5α-reductase, which converts testosterone to dihydrotestosterone (DHT), performs key functions in the androgen receptor (AR) signaling pathway. The three isoenzymes of 5α-reductase identified to date are encoded by different genes: SRD5A1, SRD5A2, and SRD5A3. In this study, we investigated mechanisms underlying androgen regulation of 5α-reductase isoenzyme expression in human prostate cells. We found that androgen regulates the mRNA level of 5α-reductase isoenzymes in a cell type-specific manner, that such regulation occurs at the transcriptional level, and that AR is necessary for this regulation. In addition, our results suggest that AR is recruited to a negative androgen response element (nARE) on the promoter of SRD5A3 in vivo and directly binds to the nARE in vitro. The different expression levels of 5α-reductase isoenzymes may confer response or resistance to 5α-reductase inhibitors and thus may have importance in prostate cancer prevention.
abstractGer	The enzyme 5α-reductase, which converts testosterone to dihydrotestosterone (DHT), performs key functions in the androgen receptor (AR) signaling pathway. The three isoenzymes of 5α-reductase identified to date are encoded by different genes: SRD5A1, SRD5A2, and SRD5A3. In this study, we investigated mechanisms underlying androgen regulation of 5α-reductase isoenzyme expression in human prostate cells. We found that androgen regulates the mRNA level of 5α-reductase isoenzymes in a cell type-specific manner, that such regulation occurs at the transcriptional level, and that AR is necessary for this regulation. In addition, our results suggest that AR is recruited to a negative androgen response element (nARE) on the promoter of SRD5A3 in vivo and directly binds to the nARE in vitro. The different expression levels of 5α-reductase isoenzymes may confer response or resistance to 5α-reductase inhibitors and thus may have importance in prostate cancer prevention.
abstract_unstemmed	The enzyme 5α-reductase, which converts testosterone to dihydrotestosterone (DHT), performs key functions in the androgen receptor (AR) signaling pathway. The three isoenzymes of 5α-reductase identified to date are encoded by different genes: SRD5A1, SRD5A2, and SRD5A3. In this study, we investigated mechanisms underlying androgen regulation of 5α-reductase isoenzyme expression in human prostate cells. We found that androgen regulates the mRNA level of 5α-reductase isoenzymes in a cell type-specific manner, that such regulation occurs at the transcriptional level, and that AR is necessary for this regulation. In addition, our results suggest that AR is recruited to a negative androgen response element (nARE) on the promoter of SRD5A3 in vivo and directly binds to the nARE in vitro. The different expression levels of 5α-reductase isoenzymes may confer response or resistance to 5α-reductase inhibitors and thus may have importance in prostate cancer prevention.
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title_short	Androgen regulation of 5α-reductase isoenzymes in prostate cancer: implications for prostate cancer prevention.
url	https://doi.org/10.1371/journal.pone.0028840 https://doaj.org/article/8c9095ed271a40ffafefd016f9ed188b http://europepmc.org/articles/PMC3237548?pdf=render https://doaj.org/toc/1932-6203
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Androgen regulation of 5α-reductase isoenzymes in prostate cancer: implications for prostate cancer prevention.

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