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  • Title: Prenatal MDMA exposure delays postnatal development in the rat: a preliminary study.
    Author: Heuland E, Germaux MA, Galineau L, Chalon S, Belzung C.
    Journal: Neurotoxicol Teratol; 2010; 32(4):425-31. PubMed ID: 20304047.
    Abstract:
    3,4-methylenedioxymethamphetamine or MDMA (ecstasy) is a synthetic illicit drug which is widely consumed throughout the world. Drug abuse during pregnancy may have an impairing effect on the progeny of drug-abusing mothers. The purpose of the present study was to assess the effect of prenatal MDMA exposure on the progeny development, using a rat model. Pregnant animals were injected daily with MDMA (10 mg/kg) between the 13th and 20th days of gestation. Male and female pups were then tested throughout the lactation period on the appearance and improvement of physical and sensory motor parameters. Appearance of some physical features (eyes opening and incisor eruption) and neurological reflexes as well as improving performances in negative geotaxis, gait and inclined board tests were delayed in pups prenatally exposed to MDMA compared to saline-treated pups. In contrast, functions that are necessary for survival such as forelimb reflex (that enables suckling) were present in both groups. At four weeks of age, MDMA animals recovered to normal level in all studied parameters. The delay in physical and neurological reflex development could be interpreted as alterations in maturation of some neuronal circuitries induced by prenatal MDMA exposure.
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