Overexpression of SOX2 Gene by Histone Modifications: SOX2 Enhances Human Prostate and Breast Cancer Progression by Prevention of Apoptosis and Enhancing Cell Proliferation
Introduction: SOX2 plays a crucial role in tumor development, cancer stem cell maintenance, and cancer progression. Mechanisms of SOX2 gene regulation in human breast and prostate cancers are not established yet. Methods: SOX2 expression in prostate and breast cancer tissues and cell lines was deter...
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Veröffentlicht in: | Oncology 2023-09, Vol.101 (9), p.591-608 |
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description | Introduction: SOX2 plays a crucial role in tumor development, cancer stem cell maintenance, and cancer progression. Mechanisms of SOX2 gene regulation in human breast and prostate cancers are not established yet. Methods: SOX2 expression in prostate and breast cancer tissues and cell lines was determined by qRT-PCR, Western blot, and immunochemistry, followed by the investigation of pro-tumorigenic properties like cell proliferation, migration, and apoptosis by gene knockdown and treatment with epigenetic modulators and ChIP. Results: Prostate and breast cancer tissues showed very high expression of SOX2. All cancer cell lines DU145 and PC3 (prostate) and MCF7 and MDA-MB-231 (breast) exhibited high expression of SOX2. Inhibition of SOX2 drastically decreased cell proliferation and migration. Epigenetic modulators enhanced SOX2 gene expression in both cancer types. DNA methylation pattern in SOX2 promoter could not be appreciably counted for SOX2 overexpression. Activation of SOX2 gene promoter was due to very high deposition of H3K4me3 and H3K9acS10p and drastic decrease of H3K9me3 and H3K27me3. Conclusion: Histone modification is crucial for the overexpression of SOX2 during tumor development and cancer progression. These findings show the avenue of co-targeting SOX2 and its active epigenetic modifier enzymes to effectively treat aggressive prostate and breast cancers. |
doi_str_mv | 10.1159/000531195 |
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Mechanisms of SOX2 gene regulation in human breast and prostate cancers are not established yet. Methods: SOX2 expression in prostate and breast cancer tissues and cell lines was determined by qRT-PCR, Western blot, and immunochemistry, followed by the investigation of pro-tumorigenic properties like cell proliferation, migration, and apoptosis by gene knockdown and treatment with epigenetic modulators and ChIP. Results: Prostate and breast cancer tissues showed very high expression of SOX2. All cancer cell lines DU145 and PC3 (prostate) and MCF7 and MDA-MB-231 (breast) exhibited high expression of SOX2. Inhibition of SOX2 drastically decreased cell proliferation and migration. Epigenetic modulators enhanced SOX2 gene expression in both cancer types. DNA methylation pattern in SOX2 promoter could not be appreciably counted for SOX2 overexpression. Activation of SOX2 gene promoter was due to very high deposition of H3K4me3 and H3K9acS10p and drastic decrease of H3K9me3 and H3K27me3. Conclusion: Histone modification is crucial for the overexpression of SOX2 during tumor development and cancer progression. These findings show the avenue of co-targeting SOX2 and its active epigenetic modifier enzymes to effectively treat aggressive prostate and breast cancers.</description><identifier>ISSN: 0030-2414</identifier><identifier>EISSN: 1423-0232</identifier><identifier>DOI: 10.1159/000531195</identifier><identifier>PMID: 37549026</identifier><language>eng</language><publisher>Basel, Switzerland: S. Karger AG</publisher><subject>Reducing the Worldwide Burden of Cancer</subject><ispartof>Oncology, 2023-09, Vol.101 (9), p.591-608</ispartof><rights>2023 S. Karger AG, Basel</rights><rights>2023 S. Karger AG, Basel.</rights><rights>COPYRIGHT 2023 S. Karger AG</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c432t-277f92ba7740d66fd508a8c7667cd66d2c75285a93c96e457e5af81f990df2ba3</citedby><cites>FETCH-LOGICAL-c432t-277f92ba7740d66fd508a8c7667cd66d2c75285a93c96e457e5af81f990df2ba3</cites><orcidid>0000-0001-5641-1835</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,2430,27929,27930</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/37549026$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kar, Swayamsiddha</creatorcontrib><creatorcontrib>Niharika</creatorcontrib><creatorcontrib>Roy, Ankan</creatorcontrib><creatorcontrib>Patra, Samir Kumar</creatorcontrib><title>Overexpression of SOX2 Gene by Histone Modifications: SOX2 Enhances Human Prostate and Breast Cancer Progression by Prevention of Apoptosis and Enhancing Cell Proliferation</title><title>Oncology</title><addtitle>Oncology</addtitle><description>Introduction: SOX2 plays a crucial role in tumor development, cancer stem cell maintenance, and cancer progression. Mechanisms of SOX2 gene regulation in human breast and prostate cancers are not established yet. Methods: SOX2 expression in prostate and breast cancer tissues and cell lines was determined by qRT-PCR, Western blot, and immunochemistry, followed by the investigation of pro-tumorigenic properties like cell proliferation, migration, and apoptosis by gene knockdown and treatment with epigenetic modulators and ChIP. Results: Prostate and breast cancer tissues showed very high expression of SOX2. All cancer cell lines DU145 and PC3 (prostate) and MCF7 and MDA-MB-231 (breast) exhibited high expression of SOX2. Inhibition of SOX2 drastically decreased cell proliferation and migration. Epigenetic modulators enhanced SOX2 gene expression in both cancer types. DNA methylation pattern in SOX2 promoter could not be appreciably counted for SOX2 overexpression. Activation of SOX2 gene promoter was due to very high deposition of H3K4me3 and H3K9acS10p and drastic decrease of H3K9me3 and H3K27me3. Conclusion: Histone modification is crucial for the overexpression of SOX2 during tumor development and cancer progression. These findings show the avenue of co-targeting SOX2 and its active epigenetic modifier enzymes to effectively treat aggressive prostate and breast cancers.</description><subject>Reducing the Worldwide Burden of Cancer</subject><issn>0030-2414</issn><issn>1423-0232</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNptkk1v1DAQhiMEokvhwB0hS0iIHlIcO4ljbkvUdpEWbSVA4hZ5nfGuIWsH26nof-JH4my2C5UqH8Yfz_uOZzRJ8jLD51lW8PcY44JmGS8eJbMsJzTFhJLHyQxjilOSZ_lJ8sz7HxFjRV4-TU5ojByTcpb8Wd2Ag9-9A--1Ncgq9GX1naArMIDWt2ihfbBx-9m2WmkpQoT8h4m5MFthJHi0GHbCoGtnfRABkDAt-uhA-IDqEXDj0-YuQzS9dnADJhzyzXvbB-u13wsnU202qIauG5WdVuD2iZ8nT5ToPLw4xNPk2-XF13qRLldXn-r5MpU5JSEljClO1oKxHLdlqdoCV6KSrCyZjOeWSFaQqhCcSl5CXjAohKoyxTluVdTR0-Td5Ns7-2sAH5qd9jJ-Rxiwg29IlUfvCjMe0TcTuhEdNNooG5yQI97MWUlLTnGOI3X-ABVXCzstY3-Vjvf3BG__E2xBdGHrbTfs238fPJtAGbvvHaimd3on3G2T4WYcjuY4HJF9fShrWO-gPZJ30_CvmJ_CbcAdgVW9nCyavlWRevUgdcjyF_CryFQ</recordid><startdate>20230901</startdate><enddate>20230901</enddate><creator>Kar, Swayamsiddha</creator><creator>Niharika</creator><creator>Roy, Ankan</creator><creator>Patra, Samir Kumar</creator><general>S. Karger AG</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-5641-1835</orcidid></search><sort><creationdate>20230901</creationdate><title>Overexpression of SOX2 Gene by Histone Modifications: SOX2 Enhances Human Prostate and Breast Cancer Progression by Prevention of Apoptosis and Enhancing Cell Proliferation</title><author>Kar, Swayamsiddha ; Niharika ; Roy, Ankan ; Patra, Samir Kumar</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c432t-277f92ba7740d66fd508a8c7667cd66d2c75285a93c96e457e5af81f990df2ba3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Reducing the Worldwide Burden of Cancer</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kar, Swayamsiddha</creatorcontrib><creatorcontrib>Niharika</creatorcontrib><creatorcontrib>Roy, Ankan</creatorcontrib><creatorcontrib>Patra, Samir Kumar</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Oncology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kar, Swayamsiddha</au><au>Niharika</au><au>Roy, Ankan</au><au>Patra, Samir Kumar</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Overexpression of SOX2 Gene by Histone Modifications: SOX2 Enhances Human Prostate and Breast Cancer Progression by Prevention of Apoptosis and Enhancing Cell Proliferation</atitle><jtitle>Oncology</jtitle><addtitle>Oncology</addtitle><date>2023-09-01</date><risdate>2023</risdate><volume>101</volume><issue>9</issue><spage>591</spage><epage>608</epage><pages>591-608</pages><issn>0030-2414</issn><eissn>1423-0232</eissn><abstract>Introduction: SOX2 plays a crucial role in tumor development, cancer stem cell maintenance, and cancer progression. Mechanisms of SOX2 gene regulation in human breast and prostate cancers are not established yet. Methods: SOX2 expression in prostate and breast cancer tissues and cell lines was determined by qRT-PCR, Western blot, and immunochemistry, followed by the investigation of pro-tumorigenic properties like cell proliferation, migration, and apoptosis by gene knockdown and treatment with epigenetic modulators and ChIP. Results: Prostate and breast cancer tissues showed very high expression of SOX2. All cancer cell lines DU145 and PC3 (prostate) and MCF7 and MDA-MB-231 (breast) exhibited high expression of SOX2. Inhibition of SOX2 drastically decreased cell proliferation and migration. Epigenetic modulators enhanced SOX2 gene expression in both cancer types. DNA methylation pattern in SOX2 promoter could not be appreciably counted for SOX2 overexpression. Activation of SOX2 gene promoter was due to very high deposition of H3K4me3 and H3K9acS10p and drastic decrease of H3K9me3 and H3K27me3. Conclusion: Histone modification is crucial for the overexpression of SOX2 during tumor development and cancer progression. These findings show the avenue of co-targeting SOX2 and its active epigenetic modifier enzymes to effectively treat aggressive prostate and breast cancers.</abstract><cop>Basel, Switzerland</cop><pub>S. Karger AG</pub><pmid>37549026</pmid><doi>10.1159/000531195</doi><tpages>18</tpages><orcidid>https://orcid.org/0000-0001-5641-1835</orcidid></addata></record> |
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title | Overexpression of SOX2 Gene by Histone Modifications: SOX2 Enhances Human Prostate and Breast Cancer Progression by Prevention of Apoptosis and Enhancing Cell Proliferation |
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