p53 mutation regulates PKD genes and results in co-occurrence of PKD and tumorigenesis

查看全文 作　　者：Haili [1,2]Li;Yongjin [2]Zhang;Juhua [2]Dan;Ruoyu [2]Zhou;Cui [2]Li;Rong [3]Li;Xiaoming [2]Wu;Sanjay Kumar [4]Singh;Jeffrey [5]T.Chang;Julun [6]Yang;Ying [1,2]Luo

机构地区：[1]Faculty of Environmental Science and Engineering, Kunming University of Science and Technology;[2]Laboratory of Molecular Genetics of Aging &Tumor, Kunming University of Science and Technology;[3]Division of Nephrology, The First People's Hospital of Yunnan Province;[4]Department of Cancer Systems Imaging, The University of Texas MD Anderson Cancer Center;[5]Department of Integrative Biology and Pharmacology, University of Texas Health Science Center at Houston;[6]Department of Pathology, Kunming General Hospital

出　　处：《Cancer Biology & Medicine》索引2019年第16卷第1期,共10页

基　　金：supported by National Natural Science Foundation of China (NSFC) (Grant No. 30771194 and 31170735) 摘　　要：Objective: Polycystic kidney disease(PKD) is the major cause of kidney failure and mortality in humans. It has always been suspected that the development of cystic kidney disease shares features with tumorigenesis, although the evidence is unclear.Methods: We crossed p53 mutant mice(p53N236S, p53S) with Werner syndrome mice and analyzed the pathological phenotypes.The RNA-seq, ss GSEA analysis, and real-time PCR were performed to dissect the gene signatures involved in the development of disease phenotypes.Results: We found enlarged kidneys with fluid-filled cysts in offspring mice with a genotype of G3mTerc^(-/-)WRN^(-/-)p53^(S/S)(G3TM).Pathology analysis confirmed the occurrence of PKD, and it was highly correlated with the incidence of tumorigenesis. RNA-seq data revealed the gene signatures involved in PKD development, and demonstrated that PKD and tumorigenesis shared common pathways, including complement pathways, lipid metabolism, mitochondria energy homeostasis and others. Interestingly, this G3TM PKD and the classical PKD1/2 deficient PKD shared common pathways, possibly because the mutant p53S could regulate the expression levels of PKD1/2, Pkhd1, and Hnf1b.Conclusions: We established a dual mouse model for PKD and tumorigenesis derived from abnormal cellular proliferation and telomere dysfunction. The innovative point of our study is to report PKD occurring in conjunction with tumorigenesis. The gene signatures revealed might shed new light on the pathogenesis of PKD, and provide new molecular biomarkers for clinical diagnosis and prognosis. 关键词：P53 MUTATION TELOMERE dysfunction POLYCYSTIC kidney disease tumorigenesis

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p53 mutation regulates PKD genes and results in co-occurrence of PKD and tumorigenesis

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