Article
A point mutation in the pre-ZRS disrupts sonic hedgehog expression in the limb bud and results in triphalangeal thumb-polysyndactyly syndrome.
Genetics in medicine : official journal of the American College of Medical Genetics - 1 Nov 2018
Potuijt Jacob W P, Baas Martijn, Sukenik-Halevy Rivka, Douben Hannie, Nguyen Picard, Venter Deon J, Gallagher Renée, Swagemakers Sigrid M, Hovius Steven E R, van Nieuwenhoven Christianne A, Galjaard Robert-Jan H, van der Spek Peter J, Ahituv Nadav, de Klein Annelies
Abstract excerpt
PURPOSE: The zone of polarizing activity regulatory sequence (ZRS) is an enhancer that regulates sonic hedgehog during embryonic limb development. Recently, mutations in a noncoding evolutionary conserved sequence 500 bp upstream of the ZRS, termed the pre-ZRS (pZRS), have been associated with polydactyly in dogs and humans. Here, we report the first case of triphalangeal thumb-polysyndactyly syndrome (TPT-PS) to...
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