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Twenty-four novel mutations in Wilson disease patients of predominantly Italian origin
Authors:Lepori Maria Barbara  Lovicu Mario  Dessi Valentina  Zappu Antonietta  Incollu Simona  Zancan Lucia  Giacchino Raffaella  Iorio Raffaele  Vajro Pietro  Maggiore Giuseppe  Marcellini Matilde  Barbera Cristiana  Pellecchia Maria Teresa  Simonetti Rosanna  Kostic Vladimir  Farci Anna Maria Giulia  Solinas Antonello  De Virgiliis Stefano  Cao Antonio  Loudianos Georgios
Affiliation:Dipartimento di Scienze Biomediche e Biotecnologie, USC, Cagliari, Italy.
Abstract:Herein we report the results of mutation analysis of the ATP7B gene in a group of 134 Wilson disease (WD) families (268 chromosomes) prevalently of Italian origin. Using the SSCP and sequencing methods we identified 71 disease-causing mutations. Twenty-four were novel, while 19 more mutations already described, were identified in new populations in this study. A known mutation G591D showed a regional distribution, since it was only detected in 38.5% of the analyzed chromosomes in WD patients originating from Apulia, a region of South Italy. Detection of new mutations in the ATP7B gene increases our capability of molecular analysis that is essential for early diagnosis and treatment of WD.
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