Abstract
Pregnant mice congenic with C57BL/10 in the region of H-2, the major histocompatibility complex on Chromosome 17 (B10.BR, B10.A, B10.A(1R), B10.A(2R), B10.A(15R), B10.A(18R), B10.OL, or crosses between them) were fed Purina Laboratory Chow or the same diet plus 400 IU of vitamin A daily from conception and given dexamethasone (80 or 160 mg/kg) intraperitoneally on the twelfth day of pregnancy. It was found that the added vitamin A increased the frequency of isolated cleft palate only in strains that had b alleles between C4 and B144. The enhancement of susceptibility to glucocorticosteroid-induced cleft palate by vitamin A appears to be a recessive trait and the locus, called Acp, maps centromeric to another corticosteroid-induced cleft palate gene (Dcp-2) that also is in the C4:B144 interval.
Published Version
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Schedule a callMore From: Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.)
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