{"title":"cdh1介导的SIRT5泛素化促进结直肠癌细胞进入静止状态并增强细胞干性","authors":"Wei Li, Jian Chen, Jinbao Yang, Bo Zhang, Dihao Wen, Zhibin Jiang","doi":"10.2174/0118715206336851241204111721","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>This study explored whether the cell cycle regulator cadherin 1 (CDH1) impacts colorectal cancer cell cycle and stemness via mediating ubiquitination of sirtuin 5 (SIRT5).</p><p><strong>Methods: </strong>We first constructed CDH1 overexpression plasmid and small interfering RNA against SIRT5 (siSIRT5) and transfected them into HCT116/HT29 cells, followed by transfection efficiency verification. The effect of CDH1 on Cyclin F/SIRT5/CDH1 protein levels in HCT116/HT29 cells was verified by Western blot. After up-regulation of CDH1, changes in SIRT5 ubiquitination (immunoprecipitation), cell cycle (cell cycle kit), proliferation (5-Bromodeoxyuridine assay), and stemness marker expressions (qRT-PCR) in HCT116/HT29 cells were detected. Rescue assays were performed to examine cell proliferation and stemness marker expressions.</p><p><strong>Results: </strong>Overexpression of CDH1 decreased Cyclin F expression and increased SIRT5 and CDH1 expressions in HCT116/HT29 cells. Up-regulation of CDH1 suppressed SIRT5 ubiquitination, promoted G0/G1 phase blockage in HCT116/HT29 cells, boosted cell proliferation into quiescence and enhanced cell stemness. siSIRT5 counteracted the regulatory effect of CDH1 overexpression on colorectal cancer cells.</p><p><strong>Conclusion: </strong>CDH1 promotes the entry of colorectal cancer cells into quiescence and enhances stemness by dampening SIRT5 ubiquitination.</p>","PeriodicalId":7934,"journal":{"name":"Anti-cancer agents in medicinal chemistry","volume":" ","pages":""},"PeriodicalIF":2.6000,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"CDH1-involved Ubiquitination of SIRT5 Promotes the Entry of Colorectal Cancer Cells into Quiescence and Enhances Cell Stemness.\",\"authors\":\"Wei Li, Jian Chen, Jinbao Yang, Bo Zhang, Dihao Wen, Zhibin Jiang\",\"doi\":\"10.2174/0118715206336851241204111721\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Background: </strong>This study explored whether the cell cycle regulator cadherin 1 (CDH1) impacts colorectal cancer cell cycle and stemness via mediating ubiquitination of sirtuin 5 (SIRT5).</p><p><strong>Methods: </strong>We first constructed CDH1 overexpression plasmid and small interfering RNA against SIRT5 (siSIRT5) and transfected them into HCT116/HT29 cells, followed by transfection efficiency verification. The effect of CDH1 on Cyclin F/SIRT5/CDH1 protein levels in HCT116/HT29 cells was verified by Western blot. After up-regulation of CDH1, changes in SIRT5 ubiquitination (immunoprecipitation), cell cycle (cell cycle kit), proliferation (5-Bromodeoxyuridine assay), and stemness marker expressions (qRT-PCR) in HCT116/HT29 cells were detected. Rescue assays were performed to examine cell proliferation and stemness marker expressions.</p><p><strong>Results: </strong>Overexpression of CDH1 decreased Cyclin F expression and increased SIRT5 and CDH1 expressions in HCT116/HT29 cells. Up-regulation of CDH1 suppressed SIRT5 ubiquitination, promoted G0/G1 phase blockage in HCT116/HT29 cells, boosted cell proliferation into quiescence and enhanced cell stemness. siSIRT5 counteracted the regulatory effect of CDH1 overexpression on colorectal cancer cells.</p><p><strong>Conclusion: </strong>CDH1 promotes the entry of colorectal cancer cells into quiescence and enhances stemness by dampening SIRT5 ubiquitination.</p>\",\"PeriodicalId\":7934,\"journal\":{\"name\":\"Anti-cancer agents in medicinal chemistry\",\"volume\":\" \",\"pages\":\"\"},\"PeriodicalIF\":2.6000,\"publicationDate\":\"2025-02-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Anti-cancer agents in medicinal chemistry\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://doi.org/10.2174/0118715206336851241204111721\",\"RegionNum\":4,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"CHEMISTRY, MEDICINAL\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Anti-cancer agents in medicinal chemistry","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.2174/0118715206336851241204111721","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CHEMISTRY, MEDICINAL","Score":null,"Total":0}
CDH1-involved Ubiquitination of SIRT5 Promotes the Entry of Colorectal Cancer Cells into Quiescence and Enhances Cell Stemness.
Background: This study explored whether the cell cycle regulator cadherin 1 (CDH1) impacts colorectal cancer cell cycle and stemness via mediating ubiquitination of sirtuin 5 (SIRT5).
Methods: We first constructed CDH1 overexpression plasmid and small interfering RNA against SIRT5 (siSIRT5) and transfected them into HCT116/HT29 cells, followed by transfection efficiency verification. The effect of CDH1 on Cyclin F/SIRT5/CDH1 protein levels in HCT116/HT29 cells was verified by Western blot. After up-regulation of CDH1, changes in SIRT5 ubiquitination (immunoprecipitation), cell cycle (cell cycle kit), proliferation (5-Bromodeoxyuridine assay), and stemness marker expressions (qRT-PCR) in HCT116/HT29 cells were detected. Rescue assays were performed to examine cell proliferation and stemness marker expressions.
Results: Overexpression of CDH1 decreased Cyclin F expression and increased SIRT5 and CDH1 expressions in HCT116/HT29 cells. Up-regulation of CDH1 suppressed SIRT5 ubiquitination, promoted G0/G1 phase blockage in HCT116/HT29 cells, boosted cell proliferation into quiescence and enhanced cell stemness. siSIRT5 counteracted the regulatory effect of CDH1 overexpression on colorectal cancer cells.
Conclusion: CDH1 promotes the entry of colorectal cancer cells into quiescence and enhances stemness by dampening SIRT5 ubiquitination.
期刊介绍：
Formerly: Current Medicinal Chemistry - Anti-Cancer Agents.
Anti-Cancer Agents in Medicinal Chemistry aims to cover all the latest and outstanding developments in medicinal chemistry and rational drug design for the discovery of anti-cancer agents.
Each issue contains a series of timely in-depth reviews and guest edited issues written by leaders in the field covering a range of current topics in cancer medicinal chemistry. The journal only considers high quality research papers for publication.
Anti-Cancer Agents in Medicinal Chemistry is an essential journal for every medicinal chemist who wishes to be kept informed and up-to-date with the latest and most important developments in cancer drug discovery.
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