PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17499812-3 2007 In the present study, we report that black tea polyphenol, Theaflavins (TF)-induced apoptosis in human prostate carcinoma, LNCaP cells is mediated via modulation of two related pathways: up-regulation of p53 and down-regulation of NF-kappa B activity, causing a change in the ratio of pro-and antiapoptotic proteins leading to apoptosis. Polyphenols 47-57 tumor protein p53 Homo sapiens 204-207