期刊
AMERICAN JOURNAL OF MEDICAL GENETICS PART C-SEMINARS IN MEDICAL GENETICS
卷 160C, 期 3, 页码 165-174出版社
WILEY
DOI: 10.1002/ajmg.c.31336
关键词
ciliopathy; skeletal disorders
In the last 10 years, the primary cilia machinery has been implicated in more than a dozen disorders united as ciliopathies, including skeletal dysplasias, such as Jeune syndrome and short rib-polydactyly type III. Indeed, primary cilia play a vital role in transduction of signals in the hedgehog pathway that is especially important in skeletal development. In this review, we focus on skeletal conditions belonging to the ciliopathy group: the short rib-polydactyly group (SRPs) that includes VermaNaumoff syndrome (SRP type III), Majewski syndrome (SRP type II), Jeune syndrome (ATD), as well as Ellisvan Creveld syndrome (EVC), the Sensenbrenner syndrome, and, finally, Weyers acrofacial dysostosis. Today, 10 different genes have been identified as responsible for seven skeletal ciliopathies. Mutations have been identified in dynein motor (DYNC2H1), in intraflagellar transport (IFT) complexes (IFT80, IFT122, IFT43, WDR35, WDR19, and TTC21B) as well as in genes responsible for the basal body (NEK1, EVC, and EVC2). The wide clinical variability observed for an individual ciliopathy gene supports the development of exome strategy specifically dedicated to cilia genes to identify mutations in this particularly heterogeneous group of disorders. (C) 2012 Wiley Periodicals, Inc.
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