Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Effects of Short-Term Exposure with Tri-n-Butyltin Chloride (TBTCl) and Bisphenol A on the Reproduction of the Striped Field Mouse

TBTCl (tri-n-butyltin chloride)과 bisphenol A에 의한 단기노출이 등줄쥐의 번식에 미치는 영향

  • Received : 2010.12.01
  • Accepted : 2011.03.10
  • Published : 2011.03.30
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Abstract

To investigate the effects of short-term treatment with tri-n-butyltin chloride (TBTCl) and bisphenol A (BPA) on the reproduction of striped field mice, the mice were intramuscularly injected with TBTCl or BPA immediately before the reproductive season and examined in the reproductive season after keeping them for 4 months. As a result, there were no differences between the control and the compound-treated groups regarding body weight in both sexes, the residual levels of the compounds in the adult males, and the gonadosomatic index (GSI) and the histological structures with LM and EM of the testes and epididymides in both the adult and young males. The infant mortality and abortion rate, however, were high in the TBTCl-treated groups and BPA-treated groups respectively, compared to the control group. Conclusively, it was suggested that short-term treatment with TBTCl or BPA in mice in the non-reproductive season might have inhibited the development of the uterine embryos or fetuses, although it did not induce accumulations of these compounds or affect the reproductive organs of adult and young (F1) males.

TBTCl과 bisphenol A (BPA)가 등줄쥐의 번식에 어떠한 영향을 미치는지 알아보기 위하여, 등줄쥐를 비번식기에 포획하여 번식기 직전에TBTCl과 BPA를 근육 주사한 후, 4개월 간 사육하였다. 그 결과, 암 수 모두 체중 증가량에 차이가 없었고, 수컷 체내의 각 화합물의 체내 잔류량, 성체와 새끼(F1) 수컷에 대한 생식소중량지수(GSI) 및 정소와 부정소의 광학 및 전자현미경 조직상이 대조군과 별다른 차이점을 보이지 않았다. 그러나 TBTCl 투여군에서는 출생한 태아의 사망 빈도가 높고, BPA 투여군에서는 유산율이 대조군에 비해서 높았다. 이로부터, 비번 식기의 성체 등줄쥐에게 TBTCl과 BPA를 단기간 투여했을 때, 이들 물질은 체내에 장기간 잔류하지 않으며, 성체 및 다음 세대 수컷의 생식기관에 영향을 미치지 않지만, 수태된 태아의 발생을 저해하는 물질임이 밝혀졌다.

Keywords

References

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