Toxicological Research

Korean Society of Toxicology & Korea Environmental Mutagen Society (한국독성학회)
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Study on Local Irritation in Rabbits and Micronucleus Test in Mice with YHB216

YHB216의 토끼에서 국소독성시험 및 마우스에서 소핵시험

  • 강민정 ((주)유한양행 중앙연구소) ;
  • 김미영 ((주)유한양행 중앙연구소) ;
  • 박명규 ((주)유한양행 중앙연구소) ;
  • 김봉태 ((주)유한양행 중앙연구소) ;
  • 안경규 ((주)유한양행 중앙연구소) ;
  • 최연식 ((주)유한양행 중앙연구소) ;
  • 문병석 ((주)유한양행 중앙연구소) ;
  • 이종욱 ((주)유한양행 중앙연구소)
  • Published : 2002.03.01
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Abstract

YHB216 is one of new recombinant human erythropoietins (rHu-EPO) developed by Yuhan Research Institute. The rHu-EPO products are widely being used for the treatment of various types of anemia. As a series of safety studies on YHB216, we performed the local irritation test (dermal & ocular application) in male New Zealand White rabbits and micronucleus test in male ICR mice. In the skin irritation test, 0.5 ml of YHB216 10,000 IU/ml solution was applied to the back skin of rabbits for 24 hours and sub-sequent observation was performed. There was no induced response after the treatment and the primary irritation index (P.I.I.) was‘0’. In the eye irritation test, 0.1 ml of YHB216 10,000 IU/mL solution was instilled into the conjunctiva of the eye. No treatment-related reaction was observed at the cornea, iris, and conjunctiva. In the micronucleus test, YHB216 was administered intravenously to male mice (6 mice per group) at dose levels of 0, 6,250, 12,500, and 25,000 IU/kg. Bone marrow cells were collected at 24 hours after the treatment. YHB216 treated groups showed no significant difference in the P/N (polychromatic erythrocyte/ normochromatic erythrocyte) ratio and in the number of micronucleated polychromatic erythrocyte com-pared with the control. In conclusion, YHB216 was found to be a non-irritating material up to 10,000 IU/ml in the local irritation test and to be a non-mutagen up to 25,000 IU/kg in the micronucleus test.

Keywords

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