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Pubmed for Handhelds
PUBMED FOR HANDHELDS
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Title: On the inheritance of the split hand/split foot malformation. Author: Zlotogora J. Journal: Am J Med Genet; 1994 Oct 15; 53(1):29-32. PubMed ID: 7802032. Abstract: Analysis of families with non-syndromal split hand/split foot (SHSF) confirms the existence of 2 distinct entities, most probably caused by at least 2 different autosomal dominant genes. In the families in which the SHSF malformation is non-syndromal and limited to the hands and feet (type I), the pattern of inheritance is of a regular autosomal dominant gene with a high penetrance (96%). In families in which at least one individual has other limb malformations and SHSF (type II), the transmission is often unusual. In most families, the gene is non-penetrant, sometimes for generations, before the birth of the first affected individual. Thereafter, among the descendants of affected individuals, the penetrance is reduced (66%), suggesting the possible existence of another gene which controls the appearance of the clinical manifestations. The possibility that SHSF associated with other limb malformations is a disorder caused by trinucleotide repeat instability is raised.[Abstract] [Full Text] [Related] [New Search]