Perinatal maternal exposure to picrotoxin: Effects on sexual behavior in female rat offspring
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Artigo
Date
2005
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Pharmacology Biochemistry and Behavior
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4
Authors
Teodorov E.
Moraes A.P.
Felicio L.F.
Varolli F.M.
Bernardi M.M.
Moraes A.P.
Felicio L.F.
Varolli F.M.
Bernardi M.M.
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Abstract
A previous study in our laboratory showed that perinatal maternal picrotoxin exposure (0.75 mg/kg) in rats improved heterosexual behavior in male offspring. In the present study, we examined the effects of this maternal treatment on sexual behavior in the female offspring. The dams received 0.75 mg/kg picrotoxin treatment (PT) once a day on the 18th and 21th day of pregnancy, 2 h after parturition and once a day during the first 4 days of lactation. The results showed that (1) at birth, the body weight and anogenital distance were not modified by treatment; (2) female sexual behavior was improved in experimental animals. These results demonstrate that perinatal picrotoxin exposure improves adult sexual behavior in female rat offspring as suggested by increase in the lordosis quotient. © 2005 Elsevier Inc. All rights reserved.