Toxicological Research

Korean Society of Toxicology & Korea Environmental Mutagen Society (한국독성학회)
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Immunotoxicity of Polychlorinated Biphenyls (Aroclor 1254) in Mouse Splenocytes

마우스 비장세포에서의 Polychlorinated Biphenyls(Aroclor 1234)의 면역 독성

  • 반상자 (식품의약품안전청 생물의약품평가부) ;
  • 안광수 (식품의약품안전청 생물의약품평가부) ;
  • 김주환 (식품의약품안전청 생물의약품평가부) ;
  • 임종준 (식품의약품안전청 생물의약품평가부) ;
  • 김수연 (식품의약품안전청 생물의약품평가부) ;
  • 기미경 (국립보건원 기획연구과) ;
  • 이명숙 (식품의약품안전청 생물의약품평가부) ;
  • 조수열 (식품의약품안전청 생물의약품평가부) ;
  • 김영훈 (식품의약품안전청 생물의약품평가부)
  • Published : 2003.12.01
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Abstract

Polychlorinated biphenyls (PCBs) has been widely used as plasticizer, insulator, lubricant, paint and ink. The persistence of PCBs in the environment and their bioaccumulation in living organism make a raise concerns regarding their toxic effects in immune system and subsequent effects on human health. However little has been known about effect of PCB, an endocrine disrupter, on splenocytes. In this study, for identifying the effect on the organs and immune cell of mice by the concentration and time of commercial PCB mixture (Aroclor 1254), each 3 mice were tested at the concentration of 3, 30, 300, 1,000 mg/kg respectively, and their organ's weight were measured in 4, 7, 14 days, respectively. Also according to concentration and time, PCB was evaluated for the effects on splenocyte viability and lipopolysaccaride (LPS) and concanavaline A (Con A)-induced splenocyte proliferation on mice spleen. In liver and lung, there were significantly defferent by concentration and time of PCB (p < 0.0001). In respect of concentration of PCB, no significant effects on mice's liver by Aroclor 1254 concentration below than 300 mg/kg were observed except at the concentration of 1,000 mg/kg doses (p < 0.0001). But there was not significant different change in mice spleen by concentration and time of PCB (p=0.2206) and the mode of weight change of spleen was different to of liver and of lung. Viabilities of splenocytes were decreased following treatment with high concentration of PCB. Also, LPS and Con A-induced cell proliferations were decreased by Aroclor 1254 at 1,000 mg/kg. These data suggest that Aroclor 1254 is the immunotoxic compound that may have an effect on mouse immune system.

Keywords

References

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