定經湯이 Estradiol Valerate로 유도된 흰쥐의 다낭성 난소에 미치는 영향
Effects of Jeongkyeong-Tang on the Estradiol Valerate-induced Polycystic Ovary in Rats
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Purpose: This study was designed to investigate the effects of Jeongkyeong-Tang(JKT) on the polycystic ovary(PCO) induced by estradiol valerate(EV) in rats. Methods: PCO was induced by single intramuscular injection with EV(4㎎) in female rats. Normal group(n=8) were injected with sesame oil and orally administrated distilled water for sixty days. PCO control group(n=8) were injected with EV and orally administrated distilled water for sixty days. JKT treated group(n=8) were injected with EV and orally administrated JKT for sixty days. Then we measured weights of body, ovaries and adrenal glands, and measured content of serum estrogen. The histomorphometrical changes of ovaries were also evaluated. The expressions of nerve growth factor(NGF) were analyzed in the central nervous system, adrenal glands and ovaries by immunohistochemistry. Results: - The weights(㎎) of ovaries in JKT treated group(69.7±6.7) were significantly increased(p＜0.001) compared with PCO control group(46.7±12.2). - The numbers of secondary follicles in JKT treated group(4.00±1.31) were significantly increased(p＜0.05) compared with PCO control group(2.25±1.39). - The numbers of mature follicles in JKT treated group(5.50±1.51) were significantly increased(p＜0.01) compared with PCO control group(2.88±1.13). - The numbers of atretic follicles in JKT treated group(2.75±1.16) were significantly decreased(p＜0.001) compared with PCO control group(6.88±2.03). - The numbers of corpora lutea in JKT treated group(4.13±1.46) were significantly increased(p＜0.05) compared with PCO control group(2.13±1.46). - The contents(pg/㎖) of serum estrogen in JKT treated group(115.18±18.29) were significantly decreased(p＜0.01) compared with PCO control group(153.06±29.47). - The expressions of NGF-immunoreactive cells in the ovarian granulosa cells in JKT treated group were lesser observed than PCO control group. Conclusion: From the above results, we concluded that Jeongkyeong-Tang has inhibitory effect on the development of EV-induced polycystic ovary. And it's effect may be related with decreased NGF activities in the ovary.
Abstract
Purpose: This study was designed to investigate the effects of Jeongkyeong-Tang(JKT) on the polycystic ovary(PCO) induced by estradiol valerate(EV) in rats. Methods: PCO was induced by single intramuscular injection with EV(4㎎) in female rats. Normal group(n=8) were injected with sesame oil and orally administrated distilled water for sixty days. PCO control group(n=8) were injected with EV and orally administrated distilled water for sixty days. JKT treated group(n=8) were injected with EV and orally administrated JKT for sixty days. Then we measured weights of body, ovaries and adrenal glands, and measured content of serum estrogen. The histomorphometrical changes of ovaries were also evaluated. The expressions of nerve growth factor(NGF) were analyzed in the central nervous system, adrenal glands and ovaries by immunohistochemistry. Results: - The weights(㎎) of ovaries in JKT treated group(69.7±6.7) were significantly increased(p＜0.001) compared with PCO control group(46.7±12.2). - The numbers of secondary follicles in JKT treated group(4.00±1.31) were significantly increased(p＜0.05) compared with PCO control group(2.25±1.39). - The numbers of mature follicles in JKT treated group(5.50±1.51) were significantly increased(p＜0.01) compared with PCO control group(2.88±1.13). - The numbers of atretic follicles in JKT treated group(2.75±1.16) were significantly decreased(p＜0.001) compared with PCO control group(6.88±2.03). - The numbers of corpora lutea in JKT treated group(4.13±1.46) were significantly increased(p＜0.05) compared with PCO control group(2.13±1.46). - The contents(pg/㎖) of serum estrogen in JKT treated group(115.18±18.29) were significantly decreased(p＜0.01) compared with PCO control group(153.06±29.47). - The expressions of NGF-immunoreactive cells in the ovarian granulosa cells in JKT treated group were lesser observed than PCO control group. Conclusion: From the above results, we concluded that Jeongkyeong-Tang has inhibitory effect on the development of EV-induced polycystic ovary. And it's effect may be related with decreased NGF activities in the ovary.
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