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  • Title: Development of the central nervous system functions in rat pups prenatally exposed to alcohol (study on the behavioural teratology of ethanol in CFY rat pups).
    Author: Lehotzky K, Ungváry G, Szeberényi JM, Kiss A.
    Journal: Acta Physiol Hung; 1988; 72(2):171-80. PubMed ID: 3227857.
    Abstract:
    As a model of fetal alcohol syndrome (FAS) the rate of the maturation of the functions of the central nervous system was studied in the offspring of pregnant CFY rats receiving (from the 7th-15th day of gestation) either oral ethanol treatment or liquid diet containing ethanol. Both types of exposure caused numerous behavioural impairments, besides high perinatal mortality also the opening of the eyes and ears, and the appearance of postural reflexes were delayed. The newborn rats could be characterized by hyperactivity and weak motor coordination. The learning capacity, the avoidance conditioned reflexes was the poorest in the case of the offspring of mothers kept on liquid diet, containing alcohol, the latency of the conditioned response was significantly lenghtened. During reconditioning, in the case of the sexually already mature pups, the weakest performance was observed in the offspring of mothers having received oral alcohol treatment. This findings indicated, on one hand, that the retardation ceased and, on the other, that the learning and memory impairments caused by oral alcohol exposure was persistent. Following prenatal alcohol exposure carried out by different methods the neurotoxic effect, the retardation of the rate of maturation of the central nervous functions, and the adaptive mechanisms were all affected to different extent. Besides alcohol exposure also other factors (relative protein insufficiency, malnutrition) may be involved in the pathomechanism of the above mentioned phenomena.
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