國家衛生研究院 NHRI:Item 3990099045/13886
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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/13886


    Title: Engineered bacteriorhodopsin may induce lung cancer cell cycle arrest and suppress their proliferation and migration
    Authors: Wong, CW;Ko, LN;Huang, HJ;Yang, CS;Hsu, SH
    Contributors: Institute of Cellular and Systems Medicine
    Abstract: Highly expressible bacteriorhodopsin (HEBR) is a light-triggered protein (optogenetic protein) that has seven transmembrane regions with retinal bound as their chromophore to sense light. HEBR has controllable photochemical properties and regulates activity on proton pumping. In this study, we generated HEBR protein and incubated with lung cancer cell lines (A549 and H1299) to evaluate if there was a growth-inhibitory effect with or without light illumination. The data revealed that the HEBR protein suppressed cell proliferation and induced the G0 /G1 cell cycle arrest without light illumination. Moreover, the migration abilities of A549 and H1299 cells were reduced by ~17% and ~31% after incubation with HEBR (40 µg/mL) for 4 h. The Snail-1 gene expression level of the A549 cells was significantly downregulated by ~50% after the treatment of HEBR. In addition, HEBR significantly inhibited the gene expression of Sox-2 and Oct-4 in H1299 cells. These results suggested that the HEBR protein may inhibit cell proliferation and cell cycle progression of lung cancer cells, reduce their migration activity, and suppress some stemness-related genes. These findings also suggested the potential of HEBR protein to regulate the growth and migration of tumor cells, which may offer the possibility for an anticancer drug.
    Date: 2021-12-03
    Relation: Molecules. 2021 Dec 3;26(23):Article number 7344.
    Link to: http://dx.doi.org/10.3390/molecules26237344
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1420-3049&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000734574800001
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85121140881
    Appears in Collections:[Shan-Hui Hsu] Periodical Articles

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