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Abstract Title:

Therapeutic role of Glycyrrhiza Uralensis fisher on benign prostatic hyperplasia through 5 alpha reductase regulation and apoptosis.

Abstract Source:

Phytomedicine. 2022 Oct ;105:154371. Epub 2022 Jul 31. PMID: 35964456

Abstract Author(s):

Ja Yeon Park, Woo Yong Park, Jinbong Park, Kwang Seok Ahn, Jun Hee Lee, Hyun Jeong Kwak, Jae-Young Um

Article Affiliation:

Ja Yeon Park

Abstract:

BACKGROUND: Benign prostatic hyperplasia (BPH) is an age-related disease in adult men. There are two pharmacological treatments for BPH. However, these synthetic materials have various risks, many studies are being conducted to develop new drugs from natural sources.

PURPOSE: In this study, we proposed a beneficial effect of Glycyrrhiza uralensis Fischer on the development and progression of BPH, focusing on the androgen receptor (AR) and 5α-reductase 2 (5AR2) signaling axis.

METHODS: To explain the therapeutic efficacy of a water extract of G. uralensis (GUWE) for BPH, we used testosterone propionate (TP)-induced BPH rat models and TP-treated RWPE-1 human prostate epithelial cells.

RESULTS: In the TP-induced BPH rat models, GUWE reduced the enlarged prostate weight, prostate index, prostate epithelial thickness, and serum DHT levels. In addition, the protein levels of AR and 5AR2 in prostate tissues were significantly decreased by GUWE treatment. Furthermore, GUWE induced apoptosis signaling through an increase of Bcl-2 associated X protein (Bax), caspase 3, and Poly (ADP-ribose) polymerase (PARP) and a decrease of B-cell lymphoma-extra-large (Bcl-xL) in prostate tissues of TP-induced BPH rats. These findings were also confirmed in TP-treated RWPE-1 cells. Fi treatment markedly decreased the sperm count in the epididymis of BPH rats, but GUWE treatment did not affect the sperm count, suggesting less toxicity.

CONCLUSION: These findings suggested that GUWE reduces the development of BPH by inhibiting AR-5AR2 and activating the apoptosis signaling pathway. Furthermore, unlike finasteride, GUWE did not affect sperm count. Therefore, we suggest that GUWE has a potential as a safer alternative option for BPH treatment.

Study Type : In Vitro Study

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