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Long-Term Effect of Moderate Hypoxia and Chronic Administration of Fluoxetine during the Neonatal Period on Cognitive and Stress-Hormonal Functions in Adult Male Rats

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We studied the effect of moderate neonatal normobaric hypoxia on the indicators of spatial learning, memory, and reactivity of the hypothalamic—pituitary—adrenocortical system in adult male Wistar rats. The pharmacological effect of chronic injections of the serotonin reuptake inhibitor fluoxetine during the neonatal period on the studied behavioral and the physiological indices was evaluated. Hypoxia impaired spatial training, increased the short-term memory performance, but did not change long-term memory and stress indicator in response to its testing. The use of fluoxetine normalized learning, but did not change memory indicators and the stress-induced level of corticosterone in blood plasma in the hypoxic rats and control animals. New results indicate a protective effect of fluoxetine in the neonatal period under conditions of moderate normobaric hypoxia.

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Correspondence to V. A. Mikhailenko.

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Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 175, No. 2, pp. 156-160, February, 2023

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Mikhailenko, V.A., Butkevich, I.P. & Vershinina, E.A. Long-Term Effect of Moderate Hypoxia and Chronic Administration of Fluoxetine during the Neonatal Period on Cognitive and Stress-Hormonal Functions in Adult Male Rats. Bull Exp Biol Med 175, 196–200 (2023). https://doi.org/10.1007/s10517-023-05853-8

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  • DOI: https://doi.org/10.1007/s10517-023-05853-8

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