The effect of haloperidol on maternal behavior in WAG/Rij rats and its consequences in the offspringстатья

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Дата последнего поиска статьи во внешних источниках: 25 декабря 2013 г.

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[1] Dobryakova Y. V., Dubynin V. A., Luijtelaar G. v. The effect of haloperidol on maternal behavior in wag/rij rats and its consequences in the offspring // Acta Neurobiol. Exp. — 2011. — Vol. 71, no. 3. — P. 339–347. Haloperidol treatment during pre- and post-natal period affects maternal behavior and this may have long-term effects on the offspring. We examined whether early haloperidol administration to Wistar-Albino-Glaxo dams from Rijswijk (WAG/Rij) and in Wistar control rats would affect maternal care and as a consequence, seizure susceptibility and behavior in the WAG/Rij’s offspring at 3-4 months of age. Nursing dams of this well-validated genetic animal model of absence epilepsy and control dams were injected with haloperidol or saline at PPD 1 to 6. Maternal behavior was evaluated at PPD 7 to 9. Haloperidol-injected WAG/Rij dams showed more pup carryings compared with saline-injected mothers, this effect was not noticed in control Wistar dams. The offspring of haloperidol-treated WAG/Rij dams, tested during adulthood, showed heightened behavioral activity (time spent into the open arms, head dips) in the elevated plus-maze, as well as shorter spike-wave discharges (SWD) as measured in their electroencephalographic activity compared with saline-treated rats. Overall, it can be concluded that deviancies in the DA system as induced by haloperidol facilitates pup carrying/retrieval behavior in WAG/Rij rats and reduces seizure activity of the offspring in adulthood. Therefore, inter-individual differences in seizure properties and behavior in genetically predisposed animals may be due to differences in maternal behavior of the dams.

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