We report here the first studies of the effects of acute hypobaric hypoxia (AHH)during the period of early organogenesis on three sequential generations: the generation including pregnant females exposed to AHH (F0) and the two subsequent generations – F1 and F2. All three generations showed significant abnormalities in behavioral measures of motor and orientational-investigative activity, reflecting the state of anxiety, while generations F1 and F2 also showed changes in the ability of offspring to learn with positive reinforcement. These changes persisted to the pubertal period of life. In addition, females of generations F0 and F1 showed influences of AHH on maternal behavior, these influences being in different directions. The possible mechanisms of the effects of gestational stress during early organogenesis on subsequent generations are discussed.
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Translated from Rossiiskii Fiziologicheskii Zhurnal imeni I. M. Sechenova, Vol. 98, No. 3, pp. 331–341, March, 2012.
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Graf, A.V., Dunaeva, T.Y., Maklakova, A.S. et al. Transgenerational Sequelae of Acute Antenatal Stress in Pregnant Rats. Neurosci Behav Physi 43, 1032–1038 (2013). https://doi.org/10.1007/s11055-013-9847-4
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DOI: https://doi.org/10.1007/s11055-013-9847-4