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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국실험동물학회 Laboratory Animal Research THE KOREAN JOURNAL OF LABORATORY ANIMAL SCIENCE Vol.20 No.1
- 발행연도
- 2004.3
- 수록면
- 89 - 95 (7page)
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2-Bromopropane (2-BP), a halogenated propane analogue, is a substitute for chlorofluorocarbones (CFCs). The present study was carried out to investigate the potential adverse effects of 2-BP on pregnant dams after maternal exposure during the gestational days (GD) 6 through 17 in ICR mice. The test chemical was administered subcutaneously to pregnant mice at dose levels of 0, 500, 1000, and 1500 ㎎/㎏/day. All pregnant females were subjected to autopsy on GD 18. Treatment-related clinical signs, as evidenced by dose-dependent increases in the incidence and severity of rough fur, swelling, induration, crust formation, and ulceration at the injection sites, were observed at dose levels of above 1000 ㎎/㎏/day. Maternal body weight on GD 18 and maternal body weight gain for the intervals GD 6-17 (treatment period) were suppressed at a dose level of 1500 ㎎/㎏ in a dose-dependent manner, but not statistically significant. Hematological investigations revealed a dose-dependent decrease in the number of platelet at a dose level of 1500 ㎎/㎏. Fetal body weights of both sexes in the 1500 ㎎/㎏ group were also decreased in a dose-dependent manner. There were no adverse effects on mortality, food consumption, organ weights, and reproductive findings except for decreased fetal body weight in any treatment group. Based on these results, it was concluded that the 12-day repeated subcutaneous dose of 2-BP resulted in an increased incidence of clinical signs, suppressed maternal body weight, reduced platelet count and decreased fetal body weight at a dose level of 1500 ㎎/㎏/day in pregnant mice. In the present experimental conditions, the no-observed-adverse-effect level of 2-BP was considered to be 500 ㎎/㎏ for dams.
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