Kallivretaki, E; Eggen, R; Neuhauss, S C F; Alberti, M; Kausch, U; Segner, H (2006). Aromatase in zebrafish: A potential target for endocrine disrupting chemicals. Marine Environmental Research, 62(S1):S187-S190.
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In zebrafish, two isoforms of the aromatase gene exist, namely cyp19a1 and cyp19a2, expressed predominantly in the gonads and brain, respectively. In this study, we focus on characterizing the specificity of antibodies against the aromatase isoforms, and on (xeno)estrogen-induced changes of individual cyp19a2 mRNA concentrations in the brains of adult male zebrafish. Among three polyclonal antibodies studied, the one against CYP19A2 was found to be specific in Western blots and immunohistochemistry. Real-time RT-PCR analyses revealed strong interindividual variation of cyp19a2 levels in the brains of adult male zebrafish. After a three-week-exposure to (xeno)estrogens, mean values of cyp19a2 mRNA levels tended to increase, with significant induction at 200ng 17beta-estradiol/L, but interindividual variation of cyp19a2 expression was maintained.
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|Item Type:||Journal Article, refereed|
|Communities & Collections:||07 Faculty of Science > Institute of Molecular Life Sciences|
|DDC:||570 Life sciences; biology|
|Deposited On:||11 Feb 2008 12:13|
|Last Modified:||28 Nov 2013 00:41|
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