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Influence of Panax ginseng on Alpha-Adrenergic Receptor of Benign Prostatic Hyperplasia
Su Kang Kim1, Joo-Ho Chung1, Byung-Cheol Lee2
1Kohwang Medical Research Institute, Kyung Hee University School of Medicine, Seoul, Korea.
Purpose:
Benign prostatic hyperplasia (BPH) is the most common prostate problem in older men. The present study aimed to investigate the inhibitory effect of Panax ginseng C.A. Meyer (P. ginseng) on a rat model of testosterone-induced BPH.
Methods:
The rats were divided into 3 groups (each group, n=10): control, testosterone-induced BPH (20 mg/kg, subcutaneous injection), and P. ginseng (200 mg/kg, orally) groups. After 4 weeks, all animals were sacrificed to examine the blood biochemical profiles, prostate volume, weight, histopathological changes, alpha-1D adrenergic receptor (Adra1d) mRNA expression, and epidermal growth factor receptor (EGFR) and B-cell CLL/lymphoma 2 (BCL2) protein expression.
Results:
The group treated with P. ginseng showed significantly lesser prostate size and weight than the testosterone-induced BPH group. In addition, P. ginseng decreased the mRNA expression of Adra1d as well as the expression of EGFR and BCL2 in prostate tissue.
Conclusions:
These results suggest that P. ginseng may inhibit the alpha-1-adrenergic receptor to suppress the development of BPH.
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