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  • 1.
    Volkova, Kristina
    et al.
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Biologi. Örebro University.
    Caspillo, Nasim Reyhanian
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Biologi. Örebro University.
    Porseryd, Tove
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Hallgren, Stefan
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Biologi.
    Dinnétz, Patrik
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Miljövetenskap.
    Porsch-Hällström, Inger
    Södertörns högskola, Institutionen för naturvetenskap, miljö och teknik, Biologi.
    Developmental exposure of zebrafish (Danio rerio) to 17α-Ethinylestradiol affects non-reproductive behavior and fertility as adults, and increases anxiety in unexposed progeny2015Inngår i: Hormones and Behavior, ISSN 0018-506X, E-ISSN 1095-6867, Vol. 73, s. 30-38Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Exposure to estrogenic endocrine disruptors (EDCs) during of development affects fertility, reproductive and non-reproductive behavior in mammals and fish. These effects can also be transferred to coming generations. In fish, the effects of developmental EDC exposure on non-reproductive behavior is less well studied. Here, we analyze the effects of 17α-Ethinylestradiol (EE2) on anxiety, shoaling behavior and fertility in zebrafish after developmental treatment and remediation in clean water until adulthood. Zebrafish embryos were exposed from day 1 to day 80 post fertilization to actual concentrations of 1.2 and 1.6ng/L EE2. After remediation for 82days non-reproductive behavior and fertilization success were analyzed in both sexes. Males and females from the 1.2ng/L group, as well as control males and females, were bred, and behavior of the untreated F1 offspring was tested as adults. Developmental treatment with 1.2 and 1.6ng/L EE2 significantly increased anxiety in the Novel Tank test and increased shoaling intensity in both sexes. Fertilization success was significantly reduced by EE2 in both sexes when mated with untreated fish of opposite sex. Progeny of fish treated with 1.2ng/L EE2 showed increased anxiety in the Novel tank test and increased light avoidance in the Scototaxis test compared to control offspring. In conclusion, developmental exposure of zebrafish to low doses of EE2 resulted in persistent changes in behavior and fertility. The behavior of unexposed progeny were affected by their parents' exposure, which might suggest transgenerational effects.

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