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논문 상세정보

암컷 마우스 생식기관의 형태에 미치는 에스트로겐 수용체 촉진제의 영향

Effects of Estrogen Receptor Agonist on Morphology in the Female Mouse Reproductive Organs

초록

에스트로겐은 수컷과 암컷의 생식기관 내에서 구조적이고 기능적인 변화를 유발하지만 그 정확한 기작에 대하여는 잘 알려져 있지 않다. 에스트로겐의 기능과 연관지어, 본 연구에서는 암컷 생식기관 내에서 에스트로겐 수용체 촉진제인 4,4',4"-(4-propyl-[1H]-pyrazole-1,3,5-triyl)tris phenol (PPT)의 작용을 확인하고자 하였다. 성체 암컷 마우스에 castor oil 0.06 mL에 PPT 3mg 농도로 희석한 용액을 1주일에 1회씩 3주, 5주, 8주 동안 각각 피하주사 하였으며, 대조군에는 castor oil 0.06 mL만을 투여하였다. 광학현미경을 이용하여 생식기관에 대한 PPT의 영향을 분석하였다. PPT에 의해 실험기간 동안 체중, 난소 및 지방조직의 무게가 감소되었다. PPT 투여군에서는 대조군에 비해 난소의 직경이 감소되었으며, 난소 내 그라프여포와 황체의 수도 감소되었다. 자궁의 경우, PPT에 의해 근육층과 내막층의 높이가 감소함에 따라 내강이 증가되었다. 또한 자궁샘의 수도 감소되었다. 이런 결과들로 볼 때 PPT에 의해 암컷 생식기관의 형태학적 변화가 유발되고 이로 인해 생식력에도 변화가 있을 것으로 보인다.

Abstract

Estrogens induce pronounced structural and functional changes in male and female reproductive system, but the exact mechanisms of estrogen are not fully understood. In relation to estrogen's function, the present study was designed to identify effects of estrogen receptor agonist, 4,4',4"- (4-propyl-[1H]-pyrazole-1,3,5-triyl)tris phenol (PPT) in the reproductive organ of the female mouse. The PPT was subcutaneously given to adult female mice at a weekly dosage of 3 mg in a volume 0.06 mL of vehicle for 3, 5 or 8 weeks whereas controls received weekly injections of the castor oil vehicle. Effects of PPT on reproductive organs were analyzed using a light microscope. PPT induced decreases of body, ovary and adipose tissue weights with experimental time. Ovary diameter of PPT treatment group was reduced as compared with control group. The number of Graffian follicle and corpus luteum was reduced in PPT treatment group. The luminal diameter of uterus was increased in relation with decrease of myometrium and endometrium height by PPT administration. The number of uterine glands was decreased by PPT treatment. These data indicate that PPT treatment induced morphological change of female reproductive organs resulting in alteration of fertility.

저자의 다른 논문

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이 논문을 인용한 문헌 (2)

  1. Han, Ji-Yeon ; Cho, Young-Kuk ; Cho, Hyun-Wook 2011. "Concentration Effect of Estrogen Receptor-${\alpha}$ Selective Agonist on the Morphology of Reproductive Organs of the Male Mice" 한국현미경학회지 = Korean journal of microscopy, 41(1): 37~45 
  2. 2013. "" Applied microscopy, 43(3): 103~109 

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