國家衛生研究院 NHRI:Item 3990099045/12559
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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/12559


    Title: Aspalathin-rich green Aspalathus linearis extract suppresses migration and invasion of human castration-resistant prostate cancer cells via inhibition of YAP signaling
    Authors: Huang, SH;Kao, YH;Muller, CJF;Joubert, E;Chuu, CPD
    Contributors: Institute of Cellular and Systems Medicine
    Abstract: BACKGROUND: More than 80% of advanced prostate cancer (PCa) cases have bone metastasis, with a 5-year survival rate of 25%. Previously, we reported that GRT, a standardized, pharmaceutical-grade aspalathin-rich extract (12.78 g aspalathin/100 g extract), prepared from green rooibos produced from the leaves and fine stems of Aspalathus linearis, inhibits the proliferation of PCa cells, meriting this investigation to determine if GRT can suppress the migration and invasion of castration-resistant prostate cancer (CRPC) cells. PURPOSE: In the present study, we investigated whether GRT extract can interfere with the migration and invasion of human CRPC cells. METHODS: Transwell assays were used to explore the effects of GRT on the migration and invasion of CRPC cells. Micro-Western Array (MWA) and Western blot analysis were carried out to unravel the underlying molecular mechanism(s). RESULTS: Treatment with 25-100 mug/ml GRT suppressed the migration and invasion of LNCaP C4-2B and 22Rv1 CRPC cells. MWA and Western blot analysis indicated that GRT treatment suppressed the protein level of yes-associated protein (YAP), macrophage stimulating 1 protein (MST1), phospho-MST1/phospho-MST2 T183/T180, and paxillin, but increased the abundance of E-cadherin. Over-expression of YAP rescued the suppressive effects of GRT on migration and invasion of CRPC cells. Treatment with the major flavonoid of GRT - the C-glucosyl dihydrochalcone, aspalathin - at a concentration of 75-100 mug/ml also reduced the migration and invasion of CRPC cells, and the inhibition was partially rescued by YAP over-expression. CONCLUSIONS: GRT treatment suppresses the migration and invasion of CRPC cells via inhibition of YAP signaling and paxillin.
    Date: 2020-03-18
    Relation: Phytomedicine. 2020 Mar 18;69:Article number 153210.
    Link to: http://dx.doi.org/10.1016/j.phymed.2020.153210
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0944-7113&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000532044500004
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85081987237
    Appears in Collections:[Chih-Pin Chuu] Periodical Articles

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