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  • Title: Antiproliferative activity of retinoic acid and some novel retinoid derivatives in breast and colorectal cancer cell lines of human origin.
    Author: Kaleagasioglu F, Doepner G, Biesalski HK, Berger MR.
    Journal: Arzneimittelforschung; 1993 Apr; 43(4):487-90. PubMed ID: 8494581.
    Abstract:
    Antiproliferative activities of all-trans-retinoic acid (RA, CAS 302-79-4) and some retinoid derivatives (all-trans-retinyl-beta-D-glucuronide (RYG), methyl-(1-O-retinoyl-beta-D-glucopyranoside) uronate (MRG), all-trans-retinoic acid beta-D-galactopyranosyl ester (RGA), and all-trans-retinoic acid beta-D-glucopyranosyl ester (RGU)) were determined by microculture tetrazolium assay (MTT assay) and cell counting by Coulter Counter (CC) in breast (MCF7, MDA MB 231) and colon (SW 948) cancer cell lines of human origin. RA, MRG, RGU, and RGA (5, 25 mumol/l) were significantly more growth-inhibitory in MCF7 cells, which are known to be cellular retinoic acid-binding protein (cRABP) and cellular retinol binding protein (cRBP) positive, than in MDA MB 231 cells which are cRABP and cRBP negative. RYG was active only in MDA MB 231 cells. RA, MRG, RGA and RGU (25 mumol/l) stimulated the proliferation of SW 948 cells as determined by CC, whereas the MTT assay indicated an inhibition of cell growth.
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