Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0016632 (Fox)
 1,461 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The effects of perinatal exposure to phencyclidine (PCP) on the reflex development of the offspring of mothers given PCP during gestation and/or lactation were determined. ICR Swiss mice received daily injections of either PCP (5, 10, 20 mg/kg, PO) or saline during gestation and/or lactation. Thus, four groups of animals were studied; those exposed only prenatally, postnatally, both pre- and postnatally, or control. After birth, these offspring were observed daily until weaning for the appearance of certain reflexes, using a modification of the Fox battery. There was a delay in the disappearance of the cross extensor reflex and delayed appearance of reflexes, such as walking, crawling, vibrissal placement and vibrissal stroking in the offspring of PCP-treated mothers. Treated animals also showed slower righting times than control animals. Growth rate was decreased in PCP-exposed animals beginning at 3 days of age and continuing through 15 days of age. These results indicate that PCP exposure during gestation or nursing adversely affects the development of behavioral reflexes in mice and suggest that regular observation of reflex ontogeny in neonates may be a sensitive indicator of behavioral teratology.
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PMID:Phencyclidine exposure and the developing mouse: behavioral teratological implications. 666 32