Preaxial polydactyly: a model for defective long-range regulation in congenital abnormalities.

Abstract excerpt

Point mutations in the long-range, limb-specific regulatory element of the SHH gene are responsible for the human limb abnormality called preaxial polydactyly (PPD). Disruptions of regulatory elements in developmental genes are a small but increasingly significant class of mutations responsible for congenital defects. Identifying regulatory elements that might reside hundreds of kilobases from their relevant...

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