Abstract:
:Novel proanthocyanidin fractions from grape stem extracts were purified using Amberlite XAD-1180N, Sephadex-LH-20, Toyopearl HW40F and reverse phase high-performance liquid chromatography. Two key compounds were estimated as epigallocatechin-(epicatechin)7 gallate using electron-spray ionization time-of-flight mass spectrometry. Epigallocatechin-(epicatechin)7 gallate (compound 1) showed significant anti-cancer activity in PC-3 prostate cancer cells. In particular, compound 1 suppressed the gene expression of fatty acid-binding protein 5 (FABP5), which is involved in promoting cell proliferation and metastasis in prostate cancer cells.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Sei-Ichi K,Toda K,Matsumoto K,Ishihara C,Nonobe S,Matsunaga C,Gomi YK,Senga S,Kawaguchi K,Yamamoto A,Suwannachot J,Noda R,Kobayashi S,Hamauzu Y,Makabe H,Fujii Hdoi
10.1038/s41598-019-48603-5subject
Has Abstractpub_date
2019-08-19 00:00:00pages
12046issue
1issn
2045-2322pii
10.1038/s41598-019-48603-5journal_volume
9pub_type
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