Three Mutations in the Paired Homeodomain of PAX3That Cause Waardenburg Syndrome Type 1

Abstract
Genomic DNA from probands of various Waardenburg syndrome (WS) families were PCR-amplified using primers flanking the 8 exons of PAX3. The PCR fragments were screened for sequence variants, and subsequently cycle sequenced. Mutations were detected in exon 6 for 3 probands of WS type 1 families. These mutations all occur in the paired homeodomain DNA-binding motif.

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