Article(id=1200024248782782696, tenantId=1146029695717560320, journalId=1189873630562394117, issueId=1200024241572770746, articleNumber=null, orderNo=null, doi=10.11855/j.issn.0577-7402.2241.2023.0717, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1668009600000, receivedDateStr=2022-11-10, revisedDate=null, revisedDateStr=null, acceptedDate=1670947200000, acceptedDateStr=2022-12-14, onlineDate=1764037676282, onlineDateStr=2025-11-25, pubDate=1695830400000, pubDateStr=2023-09-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764037676282, onlineIssueDateStr=2025-11-25, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764037676282, creator=13701087609, updateTime=1764037676282, updator=13701087609, issue=Issue{id=1200024241572770746, tenantId=1146029695717560320, journalId=1189873630562394117, year='2023', volume='48', issue='9', pageStart='993', pageEnd='1112', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1764037674563, creator=13701087609, updateTime=1764038723302, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1200028640353288193, tenantId=1146029695717560320, journalId=1189873630562394117, issueId=1200024241572770746, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1200028640353288194, tenantId=1146029695717560320, journalId=1189873630562394117, issueId=1200024241572770746, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1023, endPage=1033, ext={EN=ArticleExt(id=1200024249130909942, articleId=1200024248782782696, tenantId=1146029695717560320, journalId=1189873630562394117, language=EN, title=Preliminary mechanism of KDM5C regulating the occurrence of human cervical cancer through the Hippo-YAP1 pathway, columnId=1190310110212751762, journalTitle=Medical Journal of Chinese People’s Liberation Army, columnName=Basic Research, runingTitle=null, highlight=null, articleAbstract=

Objective To investigate the molecular mechanism of histone demethylase 5C (KDM5C) regulating human cervical carcinogenesis through Hippo-YAP1 pathway. Methods Using CaSki cell lines stably overexpressing KDM5C protein, whole transcriptome sequencing was performed by RNA-Seq technique, and differentially expressed genes were analyzed, and then GO analysis, KEGG analysis and protein interaction network analysis were performed on these differential genes. After that, siRNA knocked down KDM5C and reversely verified the expression changes of key regulated gene Yes associate protein 1 (YAP1) by RT-qPCR and Western blotting. Meanwhile, in CaSki cell lines, the effect of KDM5C protein overexpression on the methylation status of YAP1 gene promoter region was analyzed by chromatin immunoprecipitation sequencing (ChIP-Seq) and ChIP-qPCR methods. Results RNA-Seq analysis showed that overexpression of KDM5C significantly up-regulated expressions of 356 mRNAs and down-regulated 335 mRNAs expressions (P<0.05). GO enrichment analysis showed that KDM5C protein was mainly involved in various biological development processes of the body. KEGG enrichment analysis showed that KDM5C protein was mainly involved in focal adhesion, steroid hormone biosynthesis, Hippo-YAP1 pathway, FoxO pathway, apoptosis and infection. Further RT-qPCR analysis showed that knockdown of KDM5C with gene specific siRNAs could up-regulate the expression of YAP1, and Western blotting results also confirmed that reduction the expression of KDM5C protein could up-regulate the levels of YAP1 and phosphorylated YAP1 simultaneously (P<0.05). ChIP-Seq analysis showed that KDM5C overexpression cell line could significantly increase the H3K4me1 level and decrease the H3K4me3 level in the promoter interval of YAP1 gene compared with the control cell line, and this expression change was also verified by subsequent ChIP-qPCR (P<0.05). Conclusions The KDM5C protein regulates the methylation level of the histone H3K4me1/me3 in the YAP1 gene promoter of cervical cancer cells, thereby affecting the transcription of the YAP1 gene. As a core factor in Hippo-YAP1 pathway, the expression of YAP1 protein directly affects cell adhesion, proliferation, and apoptosis, thereby participating in the occurrence and development of cervical cancer.

, correspAuthors=Xiao-Hua Chen, authorNote=null, correspAuthorsNote=
E-mail:
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目的 探讨组蛋白去甲基化酶5C(KDM5C)通过Hippo-YAP1通路调控人宫颈癌发生的分子机制。方法 采用稳转过表达KDM5C蛋白的CaSki细胞系,应用转录组测序(RNA-Seq)技术进行全转录组测序分析差异表达基因,并对差异基因进行GO分析、KEGG分析和蛋白互作网络分析。随后用siRNA敲低KDM5C基因,并通过RT-qPCR和Western blotting等反向验证关键受调控基因Yes相关蛋白1(YAP1)的表达变化。对过表达KDM5C蛋白的CaSki细胞系通过染色质免疫共沉淀测序(ChIP-Seq)技术和ChIP-qPCR方法分析KDM5C蛋白对YAP1基因启动子区间甲基化状态的影响。结果 RNA-Seq分析显示,过表达KDM5C蛋白导致356个mRNA表达明显上调和335个mRNA表达明显下调(P<0.05);GO富集分析显示,KDM5C蛋白主要参与机体各种生物发育过程;KEGG富集分析显示,KDM5C蛋白主要参与黏着斑连接、甾类激素生物合成、Hippo-YAP1信号通路、FoxO信号通路、凋亡和感染等过程。RT-qPCR分析结果显示,敲低基因KDM5C可上调YAP1基因的表达;Western blotting结果也显示,降低KDM5C蛋白的表达可同时上调YAP1和磷酸化YAP1的表达水平(P<0.05)。ChIP-Seq分析显示,过表达KDM5C蛋白可明显升高YAP1基因启动子区间的H3K4me1水平、并降低H3K4me3水平(P<0.05),ChIP-qPCR分析也验证了这种表达变化(P<0.05)。结论 KDM5C蛋白可调控宫颈肿瘤细胞YAP1基因启动子的组蛋白H3K4me1/me3甲基化水平,进而影响YAP1基因的转录。YAP1蛋白作为Hippo-YAP1通路的核心因子,其表达改变直接影响细胞的黏附、增殖和凋亡等过程,进而参与宫颈癌的发生发展。

, correspAuthors=陈晓华, authorNote=null, correspAuthorsNote=
陈晓华,E-mail:
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刘绪,医学博士,主要从事肿瘤与免疫等方面的研究

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刘绪,医学博士,主要从事肿瘤与免疫等方面的研究

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刘绪,医学博士,主要从事肿瘤与免疫等方面的研究

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510280)])], figs=[ArticleFig(id=1200024262254887582, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=EN, label=Fig.1, caption=Transcriptomics analysis of differential mRNA expression, figureFileSmall=HUDcVAuWpYwbspchWksl2Q==, figureFileBig=d0B+eSekwvJ9G/faF3/aRQ==, tableContent=null), ArticleFig(id=1200024262347162276, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=CN, label=图1, caption=差异mRNA表达组学分析

A. 差异表达mRNA的火山图;B. mRNA表达的整体FPKM层次聚类图,以log10(FPKM+1)值进行聚类,红色代表高表达基因,蓝色代表低表达基因;颜色从红到蓝,表示log10(FPKM+1)从大到小

, figureFileSmall=HUDcVAuWpYwbspchWksl2Q==, figureFileBig=d0B+eSekwvJ9G/faF3/aRQ==, tableContent=null), ArticleFig(id=1200024264465285806, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=EN, label=Fig.2, caption=Differential mRNA GO enrichment analysis, figureFileSmall=szFS8lI7KvGnnND8P9gmow==, figureFileBig=JmxB6IPYGVi0hGu7wJiv+w==, tableContent=null), ArticleFig(id=1200024265652273843, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=CN, label=图2, caption=差异mRNA GO富集分析, figureFileSmall=szFS8lI7KvGnnND8P9gmow==, figureFileBig=JmxB6IPYGVi0hGu7wJiv+w==, tableContent=null), ArticleFig(id=1200024265799074489, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=EN, label=Fig.3, caption=KEGG enrichment analysis results, figureFileSmall=PqyACeb34TOXU4ZgvKStPA==, figureFileBig=vx+Gl7VCdGSnYcCGem9GBg==, tableContent=null), ArticleFig(id=1200024265895543484, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=CN, label=图3, caption=KEGG富集分析结果

A. 差异表达mRNA KEGG富集散点图,红色虚线框为Hippo-YAP1信号通路;B. 差异表达mRNA富集的Hippo-YAP1通路的KEGG通路,图中关键的节点用红色加框突出显示

, figureFileSmall=PqyACeb34TOXU4ZgvKStPA==, figureFileBig=vx+Gl7VCdGSnYcCGem9GBg==, tableContent=null), ArticleFig(id=1200024265996206784, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=EN, label=Fig.4, caption=STRING network analysis of proteins interaction, figureFileSmall=MlqtIVtPrZZ1ia0VH8YYjw==, figureFileBig=X1jHxb3E8SLSdamWAbulSQ==, tableContent=null), ArticleFig(id=1200024266105258692, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=CN, label=图4, caption=蛋白互作的STRING网络分析, figureFileSmall=MlqtIVtPrZZ1ia0VH8YYjw==, figureFileBig=X1jHxb3E8SLSdamWAbulSQ==, tableContent=null), ArticleFig(id=1200024266184950472, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=EN, label=Fig.5, caption=KDM5C affects YAP1 expression at transcription and translation levels, figureFileSmall=QY7GAFF+SNOmIjQ/XMzaEA==, figureFileBig=HGpeplA+AdGQQNMCh+5BOg==, tableContent=null), ArticleFig(id=1200024266306585293, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=CN, label=图5, caption=KDM5C在转录和翻译水平对YAP1表达的影响

A. YAP1基因位点的RNA富集图;B. RT-qPCR验证siRNA敲低KDM5C基因对YAP1EGFR基因表达的影响;C. Western blotting验证siRNA敲低KDM5C基因对YAP1蛋白和磷酸化YAP1表达的影响;与NC-siRNA组比较,(1)P<0.05

, figureFileSmall=QY7GAFF+SNOmIjQ/XMzaEA==, figureFileBig=HGpeplA+AdGQQNMCh+5BOg==, tableContent=null), ArticleFig(id=1200024266415637204, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=EN, label=Fig.6, caption=KDM5C affects histone methylation modification in YAP1 gene promoter region, figureFileSmall=75hWHjnaOd8MdBKbVoYh2g==, figureFileBig=WEUHl/xWCe5EPGTEewrrog==, tableContent=null), ArticleFig(id=1200024266512106198, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=CN, label=图6, caption=KDM5C对YAP1基因启动子区间组蛋白甲基化修饰的影响

A. YAP1基因位点的ChIP-Seq染色质富集图;B、C. ChIP-qPCR验证KDM5C蛋白过表达对H3K4me1和H3K4me3招募YAP1、EGFR基因启动子区间的影响;与Phage组比较,(1)P<0.05

, figureFileSmall=75hWHjnaOd8MdBKbVoYh2g==, figureFileBig=WEUHl/xWCe5EPGTEewrrog==, tableContent=null), ArticleFig(id=1200024266604380887, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=EN, label=Fig.7, caption=Effect of KDM5C protein to migration and proliferation of CaSki cells, figureFileSmall=ZN3V9arjyVoK5+qHsAiQ2Q==, figureFileBig=Wx+2RutoXEevf7dasaQCIg==, tableContent=null), ArticleFig(id=1200024266713432795, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=CN, label=图7, caption=KDM5C蛋白对CaSki细胞迁移和增殖的影响

A. 细胞划痕实验检测各组CaSki细胞在不同时间点的迁移能力;B. 划痕实验的细胞迁移能力统计分析;C. CCK-8法检测KDM5C蛋白表达差异对细胞增殖的影响;与phage组比较,(1)P<0.05;与phage-KDM5C组比较,(2)P<0.05;与KO-Vector组比较,(3)P<0.05

, figureFileSmall=ZN3V9arjyVoK5+qHsAiQ2Q==, figureFileBig=Wx+2RutoXEevf7dasaQCIg==, tableContent=null), ArticleFig(id=1200024266843456223, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=EN, label=Fig.8, caption=Expression and survival analysis of KDM5C and YAP1 genes in CESC, figureFileSmall=XnHKoiJ2W8Wu6mZnJ6G3eA==, figureFileBig=F0o36C6bytnwkQjnjcRRbQ==, tableContent=null), ArticleFig(id=1200024266973479653, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=CN, label=图8, caption=KDM5CYAP1基因在宫颈癌中表达和生存分析

A. KDM5CYAP1基因在宫颈正常组织和宫颈癌组织中的相对表达水平;B. 不同KDM5CYAP1基因表达水平的宫颈癌患者生存分析;与宫颈正常组织比较,(1)P<0.05

, figureFileSmall=XnHKoiJ2W8Wu6mZnJ6G3eA==, figureFileBig=F0o36C6bytnwkQjnjcRRbQ==, tableContent=null), ArticleFig(id=1200024267065754346, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=EN, label=Tab.1, caption=

The specific primers designed for RT-qPCR and ChIP-qPCR

, figureFileSmall=null, figureFileBig=null, tableContent=
基因引物序列长度(bp)
GAPDH正义:5'-TCATGAAGTGTGACGTGGACATC-3'23
反义:5'-CAGGAGGAGCAATGATCTTGATCT-3'24
KDM5C正义:5'-CACTACGAACGCATTGTTTATCCCTA-3'26
反义:5'-AATGTCTTCCTCTGTGGGTTCCG-3'23
YAP1正义:5'-ACCCACAGCTCAGCATCTTCGAC-3'23
反义:5'-TGTCTTTGCCATCTCCCAACCTG-3'23
EGFR正义:5'-CCTGGTCTGGAAGTACGCAG-3'20
反义:5'-CTTCGCATGAAGAGGCCGAT-3'20
YAP1(ChIP)正义:5'-CAGTAACCGTTTACCCCTCTCAAGTG-3'26
反义:5'-GGAGAGAGGATGTGCGAACCCA-3'22
EGFR(ChIP)正义:5'-GTCTGCCACTCACCATACCACA-3'22
反义:5'-CCAGTATTAAGCGAGCAATCATC-3'23
), ArticleFig(id=1200024267174806253, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=CN, label=表1, caption=

RT-qPCR和ChIP-qPCR采用的引物序列

, figureFileSmall=null, figureFileBig=null, tableContent=
基因引物序列长度(bp)
GAPDH正义:5'-TCATGAAGTGTGACGTGGACATC-3'23
反义:5'-CAGGAGGAGCAATGATCTTGATCT-3'24
KDM5C正义:5'-CACTACGAACGCATTGTTTATCCCTA-3'26
反义:5'-AATGTCTTCCTCTGTGGGTTCCG-3'23
YAP1正义:5'-ACCCACAGCTCAGCATCTTCGAC-3'23
反义:5'-TGTCTTTGCCATCTCCCAACCTG-3'23
EGFR正义:5'-CCTGGTCTGGAAGTACGCAG-3'20
反义:5'-CTTCGCATGAAGAGGCCGAT-3'20
YAP1(ChIP)正义:5'-CAGTAACCGTTTACCCCTCTCAAGTG-3'26
反义:5'-GGAGAGAGGATGTGCGAACCCA-3'22
EGFR(ChIP)正义:5'-GTCTGCCACTCACCATACCACA-3'22
反义:5'-CCAGTATTAAGCGAGCAATCATC-3'23
), ArticleFig(id=1200024267283858163, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=EN, label=Tab.2, caption=

Examples of differentially expressed mRNAs in Hippo-YAP1 pathway

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转录ID号基因ID号基因名称KDM5CVectorlog2差异倍数Pq
ENST00000367976ENSG00000118523CTGF3.0965246.827-3.918610.0000000.000000
ENST00000537274ENSG00000137693YAP13.0228510.140-1.746090.0002520.022419
ENST00000403999ENSG00000186575NF20.2233552.200-3.300340.0004880.034564
ENST00000334310ENSG00000187079TEAD102.63900.0003310.026741
ENST00000395748ENSG00000109321AREG13.21164.203-2.280910.0000000.000448
ENST00000536810ENSG00000148737TCF7L20.8389520.0494.083990.0006300.040024
ENST00000376105ENSG00000125968ID157.009318.1651.650030.0003290.026711
ENST00000555925ENSG00000072415MPP557.009318.1651.650030.0003290.026711
ENST00000285018ENSG00000154764WNT7A1.997950.1363.872200.0003370.026852
ENST00000258411ENSG00000135925WNT10A4.9155416.194-1.720020.0001410.015245
), ArticleFig(id=1200024267447436023, tenantId=1146029695717560320, journalId=1189873630562394117, articleId=1200024248782782696, language=CN, label=表2, caption=

Hippo-YAP1通路差异表达mRNA示例

, figureFileSmall=null, figureFileBig=null, tableContent=
转录ID号基因ID号基因名称KDM5CVectorlog2差异倍数Pq
ENST00000367976ENSG00000118523CTGF3.0965246.827-3.918610.0000000.000000
ENST00000537274ENSG00000137693YAP13.0228510.140-1.746090.0002520.022419
ENST00000403999ENSG00000186575NF20.2233552.200-3.300340.0004880.034564
ENST00000334310ENSG00000187079TEAD102.63900.0003310.026741
ENST00000395748ENSG00000109321AREG13.21164.203-2.280910.0000000.000448
ENST00000536810ENSG00000148737TCF7L20.8389520.0494.083990.0006300.040024
ENST00000376105ENSG00000125968ID157.009318.1651.650030.0003290.026711
ENST00000555925ENSG00000072415MPP557.009318.1651.650030.0003290.026711
ENST00000285018ENSG00000154764WNT7A1.997950.1363.872200.0003370.026852
ENST00000258411ENSG00000135925WNT10A4.9155416.194-1.720020.0001410.015245
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KDM5C通过Hippo-YAP1通路调控人宫颈癌发生的初步机制
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刘绪 1, 2 , 张欣冉 2 , 李堂华 2 , 周威 2 , 梁荷淼 2 , 高文珍 1 , 张娟 3 , 苗林 4 , 陈晓华 1, 4, *
解放军医学杂志 | 基础研究 2023,48(9): 1023-1033
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解放军医学杂志 | 基础研究 2023, 48(9): 1023-1033
KDM5C通过Hippo-YAP1通路调控人宫颈癌发生的初步机制
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刘绪1, 2, 张欣冉2, 李堂华2, 周威2, 梁荷淼2, 高文珍1, 张娟3, 苗林4, 陈晓华1, 4, *
作者信息
  • 1中部战区总医院检验科,湖北武汉 430070
  • 2湖北民族大学医学部基础医学院,湖北恩施 445000
  • 3中部战区总医院生殖医学科,湖北武汉 430070
  • 4南方医科大学第一临床医学院,广东广州 510280
  • 刘绪,医学博士,主要从事肿瘤与免疫等方面的研究

通讯作者:

陈晓华,E-mail:
Preliminary mechanism of KDM5C regulating the occurrence of human cervical cancer through the Hippo-YAP1 pathway
Xu Liu1, 2, Xin-Ran Zhang2, Tang-Hua Li2, Wei Zhou2, He-Miao Liang2, Wen-Zhen Gao1, Juan Zhang3, Lin Miao4, Xiao-Hua Chen1, 4, *
Affiliations
  • 1Department of Laboratory Medicine, General Hospital of Central Theater Command, Wuhan, Hubei 430070, China
  • 2School of Basic Medicine, Ministry of Medicine, Hubei Minzu University, Enshi, HuBei 445000, China
  • 3Department of Reproductive Medicine, General Hospital of Central Theater Command, Wuhan, Hubei 430070, China
  • 4The First School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong 510280, China
出版时间: 2023-09-28 doi: 10.11855/j.issn.0577-7402.2241.2023.0717
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目的 探讨组蛋白去甲基化酶5C(KDM5C)通过Hippo-YAP1通路调控人宫颈癌发生的分子机制。方法 采用稳转过表达KDM5C蛋白的CaSki细胞系,应用转录组测序(RNA-Seq)技术进行全转录组测序分析差异表达基因,并对差异基因进行GO分析、KEGG分析和蛋白互作网络分析。随后用siRNA敲低KDM5C基因,并通过RT-qPCR和Western blotting等反向验证关键受调控基因Yes相关蛋白1(YAP1)的表达变化。对过表达KDM5C蛋白的CaSki细胞系通过染色质免疫共沉淀测序(ChIP-Seq)技术和ChIP-qPCR方法分析KDM5C蛋白对YAP1基因启动子区间甲基化状态的影响。结果 RNA-Seq分析显示,过表达KDM5C蛋白导致356个mRNA表达明显上调和335个mRNA表达明显下调(P<0.05);GO富集分析显示,KDM5C蛋白主要参与机体各种生物发育过程;KEGG富集分析显示,KDM5C蛋白主要参与黏着斑连接、甾类激素生物合成、Hippo-YAP1信号通路、FoxO信号通路、凋亡和感染等过程。RT-qPCR分析结果显示,敲低基因KDM5C可上调YAP1基因的表达;Western blotting结果也显示,降低KDM5C蛋白的表达可同时上调YAP1和磷酸化YAP1的表达水平(P<0.05)。ChIP-Seq分析显示,过表达KDM5C蛋白可明显升高YAP1基因启动子区间的H3K4me1水平、并降低H3K4me3水平(P<0.05),ChIP-qPCR分析也验证了这种表达变化(P<0.05)。结论 KDM5C蛋白可调控宫颈肿瘤细胞YAP1基因启动子的组蛋白H3K4me1/me3甲基化水平,进而影响YAP1基因的转录。YAP1蛋白作为Hippo-YAP1通路的核心因子,其表达改变直接影响细胞的黏附、增殖和凋亡等过程,进而参与宫颈癌的发生发展。

宫颈癌  /  组蛋白去甲基化酶5C  /  转录组测序  /  染色质免疫共沉淀测序  /  Hippo-YAP1通路

Objective To investigate the molecular mechanism of histone demethylase 5C (KDM5C) regulating human cervical carcinogenesis through Hippo-YAP1 pathway. Methods Using CaSki cell lines stably overexpressing KDM5C protein, whole transcriptome sequencing was performed by RNA-Seq technique, and differentially expressed genes were analyzed, and then GO analysis, KEGG analysis and protein interaction network analysis were performed on these differential genes. After that, siRNA knocked down KDM5C and reversely verified the expression changes of key regulated gene Yes associate protein 1 (YAP1) by RT-qPCR and Western blotting. Meanwhile, in CaSki cell lines, the effect of KDM5C protein overexpression on the methylation status of YAP1 gene promoter region was analyzed by chromatin immunoprecipitation sequencing (ChIP-Seq) and ChIP-qPCR methods. Results RNA-Seq analysis showed that overexpression of KDM5C significantly up-regulated expressions of 356 mRNAs and down-regulated 335 mRNAs expressions (P<0.05). GO enrichment analysis showed that KDM5C protein was mainly involved in various biological development processes of the body. KEGG enrichment analysis showed that KDM5C protein was mainly involved in focal adhesion, steroid hormone biosynthesis, Hippo-YAP1 pathway, FoxO pathway, apoptosis and infection. Further RT-qPCR analysis showed that knockdown of KDM5C with gene specific siRNAs could up-regulate the expression of YAP1, and Western blotting results also confirmed that reduction the expression of KDM5C protein could up-regulate the levels of YAP1 and phosphorylated YAP1 simultaneously (P<0.05). ChIP-Seq analysis showed that KDM5C overexpression cell line could significantly increase the H3K4me1 level and decrease the H3K4me3 level in the promoter interval of YAP1 gene compared with the control cell line, and this expression change was also verified by subsequent ChIP-qPCR (P<0.05). Conclusions The KDM5C protein regulates the methylation level of the histone H3K4me1/me3 in the YAP1 gene promoter of cervical cancer cells, thereby affecting the transcription of the YAP1 gene. As a core factor in Hippo-YAP1 pathway, the expression of YAP1 protein directly affects cell adhesion, proliferation, and apoptosis, thereby participating in the occurrence and development of cervical cancer.

cervical cancer  /  lysine demethylase 5C  /  RNA-sequence  /  chromatin immunoprecipitation sequencing  /  Hippo-YAP1 pathway
刘绪, 张欣冉, 李堂华, 周威, 梁荷淼, 高文珍, 张娟, 苗林, 陈晓华. KDM5C通过Hippo-YAP1通路调控人宫颈癌发生的初步机制. 解放军医学杂志, 2023 , 48 (9) : 1023 -1033 . DOI: 10.11855/j.issn.0577-7402.2241.2023.0717
Xu Liu, Xin-Ran Zhang, Tang-Hua Li, Wei Zhou, He-Miao Liang, Wen-Zhen Gao, Juan Zhang, Lin Miao, Xiao-Hua Chen. Preliminary mechanism of KDM5C regulating the occurrence of human cervical cancer through the Hippo-YAP1 pathway[J]. Medical Journal of Chinese People’s Liberation Army, 2023 , 48 (9) : 1023 -1033 . DOI: 10.11855/j.issn.0577-7402.2241.2023.0717
宫颈癌是妇科第4大癌症。2020年全球癌症统计报告显示,宫颈癌导致的死亡人数占女性癌症死亡的8%[1]。超过95%的宫颈癌与人乳头瘤病毒(HPV)持续感染有关,以HPV16、HPV18型的致病性最强,其中HPV16型感染占50%以上[2]。高危HPV的致癌机制主要是其编码的两个蛋白E6和E7在宫颈癌的发生发展中发挥关键作用(与宿主细胞中其他癌蛋白协调作用,多途径、多通路促进细胞表皮间质转化进程,影响原癌基因和抑癌基因表达),最终导致癌症的发生[3-4]。由于病毒致癌蛋白E6是HPV16致癌的主要因子,因此HPV16 E6一直是宫颈癌发病机制研究的重点。Hippo-YAP1信号通路是一条参与细胞增殖与凋亡、侵袭与迁移、组织修复再生与上皮-间充质转化的重要通路[5],该通路主要由类Ste20激酶1/2(MST1/2)和大肿瘤抑制因子1/2(LATS1/2)、Yes相关蛋白(YAP)和(或)其同系物TAZ蛋白构成[6],当该通路被激活后,MST1/2被磷酸化并进一步激活LATS1/2,从而磷酸化YAP1并抑制其活性。Hippo-YAP1信号通路的失活或异常与多发肿瘤的发生发展密切相关[7]。Hippo-YAP1信号通路的主要效应分子YAP1可与HPV16 E6相互作用,促进宫颈癌的发生发展[5],但其具体分子机制尚不完全清楚。本课题组前期研究发现,HPV16 E6蛋白与组蛋白H3第四位赖氨酸(H3K4)位点的组蛋白去甲基化酶5C(KDM5C)存在蛋白相互作用。KDM5C在HPV16感染细胞中的表达广泛下调,HPV16 E6通过降解KDM5C而激活原癌基因(如EGFRc-MET等)的超级增强子,最终导致肿瘤的发生[8]。本研究在此基础上,从基因组和转录组学层面深入分析KDM5C通过Hippo-YAP1通路调控人宫颈癌发生的分子机制,揭示KDM5C改变YAP1基因启动子的组蛋白甲基化修饰水平,进而影响宫颈癌细胞增殖和迁移的过程,旨在为高危HPV阳性宫颈癌的诊断、预后评估及治疗提供新线索。
胎牛血清、RPMI 1640、Opti-MEM、青(链)霉素溶液均购自美国Gibco公司,LipopfectmineTM 3000转染试剂、三色预染蛋白Marker购自美国Thermo Fisher公司,RNA提取试剂盒购自美国Omega公司,YAP1多克隆抗体、YAP1磷酸化(ser127)单克隆抗体、KDM5C单克隆抗体、H3K4me1多克隆抗体和H3K4me3多克隆抗体购自美国Abcam公司,Protein A/G磁珠购自美国MCE公司;SYBR GREEN PCR Mix、反转录试剂盒、羊抗兔IgG二抗、β-actin多克隆抗体、IgG多克隆抗体购自武汉爱博泰克生物科技有限公司,PBS、嘌呤霉素和CCK-8检测试剂盒购自上海碧云天生物技术有限公司。PCR引物和siRNA均由上海生工生物工程有限公司合成。
宫颈癌细胞CaSki(含HPV16 E6)购自美国典型培养物保藏中心(American Tissue Culture Collection,ATCC),Phage组(过表达对照组)、Phage-KDM5C组(过表达KDM5C组)、KO-Vector组(敲除对照组)和KO-KDM5C组(敲除KDM5C组)稳转细胞系由本实验室前期构建并筛选鉴定[8]。CaSki细胞使用RPMI 1640培养基培养,细胞培养条件均为:培养基加入10%胎牛血清和1%青霉素/链霉素溶液,稳转细胞系在此基础上添加2 μg/ml的嘌呤霉素。将细胞置于37 ℃、5% CO2培养箱中培养,待细胞密度达80%~90%时进行传代,最后收取细胞备用。
收集Phage组及Phage-KDM5C组细胞各1×107个,PBS洗2次,分别加入1 ml Trizol裂解液室温裂解5 min,放入1.5 ml无RNA酶离心管中并做好标记,置于干冰中保存。RNA提取及转录组测序、分析由北京诺禾致源科技股份有限公司完成。差异表达分析使用Cuffdiff软件,从统计学意义的角度上考虑,对mRNA类型转录本进行差异分析,以log2 Fold Change:log2(Sample 1/Sample 2)≥1.3且P<0.05为标准进一步筛选差异表达基因(differentially expressed genes,DEGs)。差异表达转录本以火山图表示。此外对不同实验条件下的差异转录本的定量值(FPKM)表达水平,以log10(FPKM+1)值行层次聚类(hierarchical clustering)分析,红色代表高表达基因,蓝色代表低表达基因。
筛选与KDM5C相关的基因,研究该类基因在GO中的分布状况,并通过实验阐明其在基因功能上的体现。GO富集分析方法参考GO seq[9],并将GO分析结果通过富集柱状图展示。
Kyoto Encyclopedia of Genes and Genomes (KEGG)是有关通路的主要公共数据库[10]。本项目使用KOBAS(2.0)进行通路富集分析[11],将错误发现率(FDR)≤0.05的通路定义为在差异表达基因中显著富集的通路,结果以KEGG富集散点图和KEGG富集通路图展示。
应用经典的STRING蛋白质互作数据库(http://string-db.org/),将表达差异变化显著的前40位基因输入网站进行蛋白互作分析并关联构建网络。
细胞转染步骤参照转染试剂LipopfectmineTM 3000的使用说明书进行。简要步骤如下:当铺板细胞生长密度达到50%~60%时,使用Opti-MEM将siRNA/质粒分别稀释至说明书推荐浓度后与转染试剂轻柔混匀,室温静置15 min后将混合物均匀添加到无血清培养基的细胞中继续培养,6~8 h后更换为RPMI 1640完全培养基培养。转染后24~48 h收集细胞进行后续实验。细胞转染采用的siRNA序列如下:KDM5C-siRNA1,GCCAACCUUGUGCAGUGUATT;KDM5C-siRNA2,GCCAGUGUAUCAAGUGCAATT;KDM5C-siRNA3,GUGGACAACUUCAGGUUUATT。siRNA-NC由公司在合成siRNA时配套赠送。将细胞分为NC-siRNA组(siRNA敲低对照组),KDM5C-siRNA1/2/3组(KDM5C基因特异siRNA1/2/3敲低组)。
siRNA转染野生型CaSki细胞24 h后收取细胞用于分析转染效果和下游调控基因,细胞RNA的提取步骤严格按照试剂盒说明书进行;提取的总RNA经浓度测定后,取4 μg总RNA用反转录试剂盒进行反转录得到cDNA,并使用SYBR染料法试剂盒进行实时荧光定量PCR检测KDM5C基因的敲降效果,检测YAP1和EGFR等基因的表达变化情况。反转录实时荧光定量PCR(RT-qPCR)实验以GAPDH基因作为内参基因,染色质免疫共沉淀实时荧光定量PCR(ChIP-qPCR)实验以对照基因组DNA(input)为参照,并使用IgG作为阴性对照。qPCR扩增得到循环阈值(Ct值)并采用2-ΔΔCt法计算基因相对表达水平。实验使用的qPCR引物见表1。qPCR反应体系包括PCR Mix 10 μl、模板cDNA 3 μl、上下游引物各0.5 μl、ddH2O 6.0 μl。qPCR扩增条件为:95 ℃预变性30 s;95 ℃ 15 s、60 ℃ 60 s(收集荧光),40个循环。熔解曲线程序为:95 ℃ 30 s,55 ℃ 15 s,95 ℃ 15 s,每0.3 ℃采集一次荧光。
按照1.2.6的方法分别对野生型CaSki细胞瞬时转染phage和phage-KDM5C质粒,同时对野生型CaSki细胞瞬时转染NC-siRNA、KDM5C-siRNA1/2/3 48 h,然后使用0.25%胰酶消化并收集细胞,采用RIPA裂解细胞并通过BCA法测定蛋白浓度,选取40 μg总蛋白样品沸水变性10 min。配制10% SDS-PAGE凝胶,电泳完成后将凝胶转移至PVDF膜上,并用一抗封闭液室温封闭2 h,根据目标条带位置将PVDF膜裁剪后加入目标抗体(稀释比例均为1∶2000),4 ℃孵育过夜,洗膜3次,加入辣根过氧化物酶标记的山羊抗兔/鼠IgG(稀释比例为1∶4000),室温孵育2 h,TBST洗涤后加入ECL化学发光剂,在暗室中用X线胶片曝光,常规显影、定影,扫描照片。
ChIP实验步骤参考文献[12],采用H3K4me1和H3K4me3多克隆抗体按照实验步骤进行,使用IgG做为抗体阴性对照,ChIP免疫共沉淀的DNA分别用于ChIP-Seq和ChIP-qPCR实验,其中ChIP-Seq测序和分析由诺禾致源公司完成,ChIP-qPCR步骤参考1.2.7进行。
细胞增殖实验采用CCK-8法。96孔板中分别接种Phage组、Phage-KDM5C组、KO-Vector组及KO-KDM5C组细胞,待生长密度达50%以上后使用CCK-8试剂盒分别在0、12、24、36、48、72 h于450 nm波长处检测吸光度(OD)值,每组设6个复孔,实验重复3次。细胞迁移分析采用细胞划痕实验。6孔板中分别接种Phage、Phage-KDM5C、KO-Vector及KO-KDM5C组细胞,待生长密度达90%以上后使用200 μl吸头进行细胞划痕,PBS清洗后,各组细胞加入无血清培养基,置于37 ℃、5% CO2细胞培养箱中培养,分别于0、12、24、36 h在相差显微镜下拍照,观察KDM5C蛋白表达差异对细胞迁移的影响,使用ImageJ软件测量划痕间距值。划痕间距相对比值(%)=(不同时间节点划痕间距值/0 h原始划痕间距值)×100%。实验重复3次。
使用GEPIA网站 (http://gepia.cancer-pku.cn/detail.php)进行蛋白的肿瘤表达差异分析和预后分析,肿瘤类别选择宫颈癌(cervical and endocervical cancers,CESC),肿瘤和对应正常组织数据来源于癌症基因组图谱(The Cancer Genome Atlas,TCGA)。
采用SPSS 22.0软件进行统计分析,GraphPad Prism 7.0软件制图。数据均为计量资料,以$\bar{x}±s$表示,多组间比较采用单因素方差分析,进一步两两比较采用LSD-t检验。P<0.05为差异有统计学意义。
RNA-Seq数据的整体产出情况表明,无论是KDM5C蛋白过表达组(phage-KDM5C)还是对照组(phage)样本过滤后的读取值(reads)占比均>96%,错误率非常低(0.01%),所有样品Q20值均>97.5%,Q30值均接近94%,送测样品测序生成的数据整体质量较好,符合转录组分析的相关要求,后续的生物信息分析均基于过滤后读数(Clean reads)的数据。通过分析得到过表达KDM5C蛋白后差异显著的mRNA。差异表达的mRNA火山图如图1A所示,与对照载体比较,过表达KDM5C导致691个mRNA的表达明显改变,其中356个mRNA表达显著上调,335个mRNA表达显著下调;差异表达转录本聚类分析如图1B所示;与Hippo-YAP1通路相关的差异表达mRNA如表2所示。
GO富集分析结果显示,在生物学过程中,KDM5C蛋白的功能主要与各种生物体发育(如组织、系统、皮肤等)相关。在生物过程中,KDM5C蛋白与单器官进程(single-organism process)相关性最高;在细胞组分层面,胞内(cytoplasm)、细胞器(organelle)和胞质部分(intracellular)的mRNA对KDM5C蛋白表达差异影响最为明显;在分子功能层面,KDM5C功能与结合(binding)和蛋白结合(protein binding)密切相关(图2)。
KEGG富集分析显示,KDM5C蛋白功能与细胞黏附(cell adhesion)、甾类激素生物合成(steroid hormone biosynthesis)、沙门菌感染(salmonella infection)、凋亡(apoptosis)、FoxO信号通路(FoxO signaling pathway)和Hippo-YAP1信号通路(Hippo-YAP1 signaling pathway)等相关(图3A)。Hippo-YAP1信号通路及其相关蛋白的表达差异见图3B
应用STRING蛋白质互作数据库各输入20个表达明显上调或下调的mRNA,蛋白互作网络分析结果如图4所示。尽管现有数据并未直接表明KDM5C蛋白与YAP1蛋白存在互作关系,但YAP1、EGFR蛋白均可与NF2因子结合,进而间接与KDM5C蛋白相互作用。
KDM5C蛋白过表达细胞系的RNA-Seq转录分布差异显示,高表达的KDM5C蛋白可在转录水平降低YAP1基因的表达(图5A)。RT-qPCR和Western blotting结果显示,降低KDM5C蛋白的表达可明显增强YAP1基因和蛋白的表达(P<0.05)(图5B、C),该趋势与已经被证实的EGFR基因一致[8],后者同样可被si-KDM5C诱导表达上调。此外,KDM5C基因敲低后也会导致YAP1蛋白的磷酸化增强(图5C)。
ChIP-seq分析显示,过表达KDM5C蛋白可明显降低H3K4me3在YAP1基因转录起始区间的富集水平,而H3K4me1则相反(图6A);ChIP-qPCR也进一步证实了KDM5C蛋白过表达可使H3K4me1对YAP1EGFR基因启动子的富集增强,而H3K4me3对YAP1EGFR基因启动子的富集作用则减弱(图6B、CP<0.05)。
移速度明显高于KO-Vector组和phage-KDM5C组(图7A、B)。CCK-8法检测结果显示,从36 h开始,KO-KDM5C组细胞的增殖活性明显高于phage-KDM5C组和KO-Vector组(P<0.05,图7C)。
对TCGA数据库的数据进行分析显示,宫颈癌组织中YAP1基因的表达水平明显低于正常组织(P<0.05),但KDM5C基因的表达水平差异无统计学意义(图8A)。生存分析显示,KDM5C基因在前150个月对宫颈癌患者生存期的影响不明显,而在YAP1高表达时宫颈癌患者前100个月的生存率有所降低(图8B)。
宫颈癌是常见的妇科肿瘤,HPV16/18型高危病毒持续感染是其最主要的致病因素,此外,部分肺癌、口腔癌和肠癌等组织中也检测到HPV的致病因子存在,全世界约有4.8%的癌症与HPV相关。本课题组前期研究发现,高危型人乳头瘤病毒HPV16 E6通过降解KDM5C激活原癌基因的超级增强子表达,进而促进宫颈癌的发生发展;同时还利用CaSki细胞的ChIP-Seq和增强子RNA(eRNA)分析描述了KDM5C对超级增强子上H3K4me3/H3K4me1的动态调控及HPV16 E6与KDM5C的相互作用[8]。本研究在此基础上,选择HPV16感染的宫颈癌细胞系CaSki进行KDM5C蛋白表达差异的蛋白质组学研究,以深入挖掘KDM5C蛋白在宫颈癌致瘤中的作用机制。
KDM5C蛋白也被称为JARID1C或SMCX,其基因位于人X染色体上,编码一个含1560个氨基酸残基的蛋白,其中Jmj N域是该蛋白行使去甲基化功能最重要的结构域。KDM5C可特异性清除组蛋白第4位赖氨酸残基(H3K4)的第2位和第3位甲基[13-14],在转录调控中起核心作用。KDM5C在人类的大脑和骨骼肌组织中呈高表达,可参与细胞的多种生命活动,包括细胞的增殖、分化、迁移、侵袭和凋亡,与神经系统疾病和肿瘤(如肾癌、肝癌、乳腺癌和结肠癌等)的发生发展密切相关[15-18],其参与宫颈癌进程的分子机制正在深入研究中。本研究通过构建CaSki过表达KDM5C基因的稳转细胞系,进行了转录组学和染色质免疫共沉淀测序分析。在转录组学测序中,受KDM5C蛋白表达调控的基因总数为737个,其中mRNA 691个,其他类型RNA 46个,这些差异表达基因在染色体上基本呈均匀分布,未表现出明显的染色体分布差异。对691个差异表达的mRNA进行GO富集分析发现,KDM5C蛋白功能主要集中在生物体的组织、系统、皮肤和器官等发育上,与各种蛋白结合及结合调控相关。进一步行KEGG分析发现,KDM5C主要参与了包括细胞黏附、阿米巴感染、凋亡、FoxO信号通路和Hippo-YAP1信号通路等相关过程的调控,其中与黏着斑的相关性最强,而与肿瘤相关的调控主要集中在FoxO和Hippo-YAP1信号通路上。FoxO转录因子属于叉头蛋白家族,FoxO蛋白作为转录调节器发挥作用,并激活下游基因的转录,参与多种生物过程,包括细胞代谢、器官发育、应激反应和凋亡等[19]。Hippo-YAP1信号通路激活导致MST1/2磷酸化并激活LATS1/2,后者迅速磷酸化YAP1蛋白第127位的丝氨酸残基,进而使其定位于细胞质并发挥生物学功能[20];而非磷酸化的YAP1则转位至细胞核,并与其他蛋白共同发挥转录共激活作用[21],从而促进细胞增殖并抑制细胞凋亡[22-23]。因此,YAP1通常也被视为原癌基因[24]。鉴于Hippo-YAP1信号通路在肿瘤中的重要作用,本研究主要关注KDM5C通过Hippo-YAP1信号通路调控人宫颈癌发生的作用及其机制。
蛋白互作分析是研究蛋白功能的重要手段,STRING网站显示与KDM5C互作的蛋白并不多见,现有的研究数据并不能直接证实KDM5C与YAP1直接相关,其原因可能与目前关于KDM5C蛋白的研究偏少有关,但本研究蛋白互作分析显示,KDM5C与YAP1可同时结合神经纤维瘤病蛋白2(neurofibromatosis type 2,NF2)。本课题组前期研究发现,受KDM5C蛋白调控的表皮生长因子受体(EGFR)同样可结合NF2蛋白,后者作为肿瘤抑制因子,其本身也属于Hippo-YAP1通路的一员[25],同样可参与黏着斑的调节过程[26]。最新研究发现,Hippo-YAP1通路的蛋白受黏着斑分子的调控,YAP1蛋白也控制着整合素和黏着斑对接蛋白编码基因的活性,因此,调节YAP1基因的转录活性可改变细胞力学、作用力发展和黏附强度,并决定细胞的形状、迁移和分化[27]。以上结果进一步提示KDM5C与YAP1蛋白及Hippo-YAP1通路相关。此外,本研究KDM5C蛋白过表达的转录组测序表明,YAP1基因外显子区间的表达相较于对照组明显下调。为了进一步证实该结论,本研究额外设计了3条针对KDM5C基因的特异siRNA来降低其表达水平,RT-qPCR和Western blotting检测结果显示,降低KDM5C基因的表达可上调YAP1基因和蛋白的表达。YAP1蛋白在体内通常有磷酸化和非磷酸化两种形式,敲低KDM5C基因可同时上调磷酸化和非磷酸化YAP1蛋白的表达。但本研究发现,外源性过表达的KDM5C蛋白并不能降低YAP1蛋白的磷酸化水平,具体原因可能与细胞瞬时转染导致的细胞刺激相关,有待于进一步研究来阐明。
组蛋白的表观遗传学修饰是调控基因转录的重要方式,过表达KDM5C蛋白可通过降低H3K4me3水平而抑制特定基因的转录。本研究采用的染色质免疫共沉淀测序结果表明,KDM5C蛋白可影响H3K4me1和H3K4me3在YAP1基因启动子的结合水平,进一步采用的染色质免疫共沉淀qPCR也证实了该结论,提示KDM5C蛋白对YAP1的作用主要是通过动态调控该基因启动子的组蛋白甲基化水平,进而影响YAP1基因的转录和翻译。因此,KDM5C蛋白表达下调会导致YAP1蛋白入核,入核的YAP1蛋白可调控一系列肿瘤相关因子表达上调,进而促进肿瘤细胞的增殖和迁移。HPV16感染后,宫颈细胞的KDM5C蛋白表达下调[8],进而促进YAP1EGFRc-MET等原癌基因的表达上调,最终导致宫颈癌的发生发展。以上结论在癌症基因组图谱数据库中也得到了证实。然而,尽管KDM5C基因表达水平在宫颈癌组织中有下降趋势,但并无统计学意义,可能与宫颈癌中包括了HPV感染和非感染类型,而KDM5C蛋白在HPV16感染阳性的宫颈癌中表达下调更为明显有关[8]。宫颈癌组织中YAP1基因的表达水平较正常宫颈组织明显降低,提示YAP1基因的调控机制不仅仅是通过KDM5C蛋白影响其启动子甲基化状态这一种途径。尽管如此,KDM5C和YAP1蛋白对宫颈癌患者生存期的影响并不是十分明显,提示了肿瘤发生发展的复杂性。
综上所述,本研究基于转录组学和染色质免疫共沉淀等分析方法证实,KDM5C蛋白可通过动态改变YAP1基因启动子的组蛋白甲基化修饰,在转录和蛋白水平影响YAP1的表达;YAP1蛋白的表达变化导致Hippo-YAP1信号通路改变,进而影响宫颈癌的发生发展。本研究不仅为高危HPV阳性宫颈癌的诊断、预后评估和治疗提供了新的线索,而且为研究基因环境互作如何影响宿主细胞功能而导致肿瘤发生提供了新思路。但本研究也存在不足之处:对YAP1蛋白的研究仅基于细胞层面,缺乏在宫颈癌实体瘤和动物模型中的实验验证;过表达KDM5C蛋白并不能降低YAP1蛋白的磷酸化水平,具体原因尚待深入分析;尽管YAP1是Hippo-YAP1信号通路的核心蛋白,但该通路其他辅助蛋白尚待进一步研究。此外,本研究发现,KDM5C与黏着斑的相关性最高,在介导细胞的黏着连接中具有重要的调节作用,后期将深入开展其机制研究。
  • 湖北省卫健委科研项目(WJ2021M219)
  • “湖北省青年拔尖人才培养计划”经费项目(鄂组函[2021]10号)
  • 湖北民族大学校内高水平培育项目(PY21007)
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2023年第48卷第9期
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doi: 10.11855/j.issn.0577-7402.2241.2023.0717
  • 接收时间:2022-11-10
  • 首发时间:2025-11-25
  • 出版时间:2023-09-28
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  • 收稿日期:2022-11-10
  • 录用日期:2022-12-14
基金
Scientific Research Project of Health Commission of Hubei Province(WJ2021M219)
湖北省卫健委科研项目(WJ2021M219)
Young Top-Notch Talent Cultivation Program of Hubei Province (HBP-[2021]10)
“湖北省青年拔尖人才培养计划”经费项目(鄂组函[2021]10号)
High Level Scientific Cultivation Project of Hubei Minzu University(PY21007)
湖北民族大学校内高水平培育项目(PY21007)
作者信息
    1中部战区总医院检验科,湖北武汉 430070
    2湖北民族大学医学部基础医学院,湖北恩施 445000
    3中部战区总医院生殖医学科,湖北武汉 430070
    4南方医科大学第一临床医学院,广东广州 510280

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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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