Poly[3-(3, 4-dihydroxyphenyl) glyceric acid] from Comfrey exerts anti-cancer efficacy against human prostate cancer via targeting androgen receptor, cell cycle arrest and apoptosis.
Shrotriya S, Gagan D, Ramasamy K, Raina K, Barbakadze V, Merlani M, Gogilashvili L, Amiranashvili L, Mulkijanyan K, Papadopoulos K, Agarwal C, Agarwal R. Poly[3-(3, 4-dihydroxyphenyl) glyceric acid] from Comfrey exerts anti-cancer efficacy against human prostate cancer via targeting androgen receptor, cell cycle arrest and apoptosis. Carcinogenesis. 2012 Aug; 33(8):1572-80.