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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2009.1
- 수록면
- 293 - 298 (6page)
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초록· 키워드
오류제보하기
Several studies have reported that nonylphenol (NP) and 2,2’,4,6,6’-pentachlorobiphenyl (PCB104) exhibit estrogenic activity. To investigate the estrogenic potency of NP and PCB104 during oocyte maturation, fully vitellogenic oocytes (0.76-mm diameter in average) of yellowfin goby, Acanthogobius flavimanus, were exposed in vitro to these chemicals at different concentrations (0.1, 1, 10, 100, and 1,000-ng/mL) with the exogenous precursor 17α-hydroxyprogesterone (17αOHP) 50 ng/mL in the presence or absence of human chorionic gonadotropin (HCG). The production of testosterone (T), estradiol-17β (E2), and 17α,20β-dihydroxy-4-pregnen-3-one (17α20βOHP) in response to NP or PCB104 were measured by radioimmunoassay. Steroid levels were also expressed as E2/T and E2/17α20βOHP ratios. In the absence of HCG, no significant differences in either NP or PCB104 treatment groups were observed. In the presence of HCG, NP treatment did not show significant differences in the production of T, E2, and 17α20βOHP at any concentrations tested, but E2/T ratios were decreased at concentrations of 0.1, 1, 10, and 1,000 ng/mL compared with the control group. PCB104 decreased E2 production at concentrations of 0.1, 10, and 1000 ng/mL, but did not show significant differences in the production of T and 17α20βOHP at any concentration tested. While E2/T ratios were decreased at PCB104 concentrations of 0.1, 1, 10, and 1,000 ng/mL, E2/17α20βOHP ratios were also decreased at 0.1, 10, and 1,000 ng/mL compared with the control. Results indicate that both NP and PCB104 appeared to have antiestrogenic effects during this phase.
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등록된 정보가 없습니다.
참고문헌 (22)
참고문헌 신청
Ankley GT / 2009 / Endocrine disrupting chemicals in fish: Developing exposure indicators and predictive models of effects based on mechanisms of action / Aquat Toxicol 92 :
Arukwe A / 1998 / Plasma levels of vitellogenin and eggshell zona radiate proteins in 4-nonylphenol and o, p’-DDT treated juvenile atlantic salmon (Salmo salar) / Mar Enviro
Arukwe A / 2000 / Effects of xenoestrogen treatment on zona radiata protein and vitellogenin expression in Atlantic salmon (Salmo salar) / Aquat Toxicol 49 : 159 ~ 170
Baek HJ / 2003 / Effect of in vitro xenoestrogens on steroidogenesis in mature female fish, Chasmichthys dolichognathus / Fish Physiol Biochem 28 : 413 ~ 414
Billsson K / 1998 / Developmental disturbances caused by polychlorina-ted biphenyls in zebrafish (Brachydanio rerio) / Mar Environ Res 46 : 461 ~ 464
Arukwe A / 1998 / Plasma levels of vitellogenin and eggshell zona radiate proteins in 4-nonylphenol and o, p’-DDT treated juvenile atlantic salmon (Salmo salar) / Mar Enviro
Arukwe A / 2000 / Effects of xenoestrogen treatment on zona radiata protein and vitellogenin expression in Atlantic salmon (Salmo salar) / Aquat Toxicol 49 : 159 ~ 170
Baek HJ / 2003 / Effect of in vitro xenoestrogens on steroidogenesis in mature female fish, Chasmichthys dolichognathus / Fish Physiol Biochem 28 : 413 ~ 414
Billsson K / 1998 / Developmental disturbances caused by polychlorina-ted biphenyls in zebrafish (Brachydanio rerio) / Mar Environ Res 46 : 461 ~ 464
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