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1篇 您的检索式:作者名="Ruipeng Zhuge"
    题名 作者 年代 出处 被引量
1hCINAP alleviates senescence by regulating MDM2 via p14ARF and the HDAC1/CoREST complex显示文摘Cellular senescence is a major process affected by multiple signals and coordinated by a complex signal response network.Identification of novel regulators of cellular senescence and elucidation of their molecular mechanisms will aid in the discoveryof new treatment strategies for aging-related diseases. In the present study, we identified human coilin-interacting nuclear ATPaseprotein (hCINAP) as a negative regulator of aging. Depletion of cCINAP significantly shortened the lifespan of Caenorhabditiselegans and accelerated primary cell aging. Moreover, mCINAP deletion markedly promoted organismal aging and stimulatedsenescence-associated secretory phenotype in the skeletal muscle and liver from mouse models of radiation-induced senescence.Mechanistically, hCINAP functions through regulating MDM2 status by distinct mechanisms. On the one hand, hCINAP decreasesp53 stability by attenuating the interaction between p14ARF and MDM2;on the other hand, hCINAP promotes MDM2 transcriptionvia inhibiting the deacetylation of H3K9ac in the MDM2 promoter by hindering the HDAC1/CoREST complex integrity. Collectively,our data demonstrate that hCINAP is a negative regulator of aging and provide insight into the molecular mechanisms underlyingthe aging process.Xinping Huang Yan Zhao Min Wei Ruipeng Zhuge Xiaofeng Zheng 2023Journal of Molecular Cell Biology2023,15,2:0
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