國家衛生研究院 NHRI:Item 3990099045/14002
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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/14002


    Title: Dysregulated HIC1 and RassF1A expression in vitro alters the cell cytoskeleton and exosomal Piwi-interacting RNA
    Authors: Sun, CY;Chen, GD;He, BC;Fu, WE;Lee, CH;Leu, YW;Hsiao, SH
    Contributors: National Institute of Cancer Research
    Abstract: HIC1 and RassF1A methylation, which cause loss of gene function, are found in various cancers, including renal cell carcinoma (RCC), and could alter cell stiffness and the content of extracellular vesicles (EVs). These physiological changes may provide a tumoral survival advantage and thus could serve as cellular biomarkers for monitoring cell transformation, although direct associations between these changes and cell transformation remain to be established. As we found HIC1 and RassF1A methylation and expression changes in RCC samples, we examined the effects of gain and loss of HIC1 and RassF1A expression on cell DNA content, cytoskeletal structure, and Piwi-interacting RNA (piRNA) expression in EVs. We found HIC1 and RassF1A hypermethylation and abnormal expression in RCC patient samples was independent of the somatic mutations found in publicly available data. Cell stiffness was reduced in accordance with disrupted cytoskeleton conformation after knockdown of HIC1 or RassF1A. Gain or loss of HIC1 expression induced instability in genomic content, abnormal RassF1A expression disturbed cytoskeletal structure, and the abnormal expression of either gene altered piRNA content in EVs. These results suggest a causal relationship between abnormal tumor suppressor gene expression, cell stiffness, and piRNA expression.
    Date: 2022-02-26
    Relation: Biochemical and Biophysical Research Communications. 2022 Feb 26;594:109-116.
    Link to: http://dx.doi.org/10.1016/j.bbrc.2022.01.065
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0006-291X&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000748425600010
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85123166503
    Appears in Collections:[Chia-Huei Lee] Periodical Articles

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