Abstract
In this study, we purified a homogeneous polysaccharide (PGPW1) from the root of Panax ginseng. Its molecular weight was estimated to be 3.5×105Da by high performance liquid chromatography (HPLC) and Gas chromatography (GC) analysis identified that PGPW1 contained Glc, Gal, Man and Ara in the molar ratio of 3.3:1.2:0.5:1.1. Furthermore the antitumor potential of PGPW1 on human bladder T24 cells was evaluated in vitro by MTT, lactate dehydrogenase (LDH), wound scratch and transwell motility assays. PGPW1 dose-dependently displayed potent anti-proliferation and anti-metastatic activities. Moreover the modulating effect of PGPW1 on the binding of 3H-NMS to M3 muscarinic receptors on the surface of T24 cells was evaluated. In muscarinic receptor binding assay, the attenuated expression of M3 muscarinic receptor on the surface of T24 cells by PGPW1 would contribute to its antitumor functions. All the data indicated the potential of its clinical application for the prevention and treatment of bladder cancer metastasis.
Published Version
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