1.The Extract of Couroupita guianensis Aubl. Ameliorates Benign Prostatic Hyperplasia In Vitro and In Vivo
Yun Na KIM ; Na-Hyun KIM ; Onevilay SOULIYA ; Salah UDDIN ; Sang Woo LEE ; Soo-Yong KIM ; Sangho CHOI ; Jeong-Doo HEO ; Eun Ju JEONG
Natural Product Sciences 2021;27(4):274-279
The therapeutic effects of the leaves of Couroupita guianensis, a large tropical tree in the family of Lecythidaceae improving testosterone-induced Benign Prostatic Hyperplasia (BPH) were tested In Vitro and In Vivo. In BPH rats induced by castration and testosterone treatment, the prostate index was improved in groups administered with the extracts of C. guianensis extracted with 50%-, 100%-ethanol or boiling water, which was comparable with positive control, finasteride. The extract C. guianensis leaves showed significant inhibition on the expressions of type 2 5-alpha reductase (5αR) in RWPE-1 human prostatic epithelial cells, and effectively attenuated the expressions of androgen receptor, type 2 5αR and proliferating cell nuclear antigen in LNCap human prostatic adenocarcinoma cells. The leaves of C. guianensis that exerted evident suppression on BPHrelated biomarkers In Vitro and improvement of prostate index In Vivo has a potential therapeutic use for the treatment of BPH.
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