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Zh Vyssh Nerv Deiat Im I P Pavlova. 2006 May-Jun;56(3):338-44.

[Effects of prenatal disturbance in the brain testosterone metabolism on anxiety level and behavior of rats in a novel environment].

[Article in Russian]


The effects of maternal administration of the aromatase inhibitor 1,4,6-androstatrien-3,17-dione (ATD) during the last week of gestation on formation of behavior in a novel environment were studied in male and female offspring. The "open field" and the elevated plus-maze tests were used. The results showed that there were a significant elevation of the anxiety level and emotionality in ATD-treated 30-day-old female rats, whereas at the age of 90 days, the elevation of these behavioral parameters was observed both in males and females. There was no a sexual dimorphism in behavioral response to a novel environment such as locomotor activity, time of immobilization, total duration of grooming reaction, and anxiety level between adult control male and treated female rats. These data suggest that prenatal inhibition of the brain testosterone metabolism alters the formation of sexual dimorphism of the anxiety and behavioral response to a novel environment in adulthood.

[Indexed for MEDLINE]

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