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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Split hand/split foot anomaly in a family segregating a balanced translocation with breakpoint on 7q22.1.
    Author: Genuardi M, Pomponi MG, Sammito V, Bellussi A, Zollino M, Neri G.
    Journal: Am J Med Genet; 1993 Nov 01; 47(6):823-31. PubMed ID: 8279479.
    Abstract:
    An apparently balanced translocation, t(2;7)(q21.1;q22.1) was detected in a female patient with bilateral split hand and right split foot. Split hand/split foot (SHSF) segregated as an autosomal dominant character with low penetrance in her family. The translocation was present in 6 of 13 additional relatives investigated, one of whom also had split hand on right. This observation provides further confirmation of the presence of a locus for SHSF on 7q and narrows the critical region to band 7q22.1. Defects caused by alterations of this chromosome region are variable and include manifestations of both syndromal and non-syndromal SHSF. Review of SHSF cases associated with chromosome 7 abnormalities showed a preferential involvement of the lower limbs and of the right side, suggesting the action of locally restricted developmental resistance mechanisms.
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