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Σάββατο 31 Δεκεμβρίου 2016

Lack of RAB39B mutations in early-onset and familial Parkinson's disease in a Taiwanese cohort

Publication date: February 2017
Source:Neurobiology of Aging, Volume 50
Author(s): Hsien-Han Lin, Ruey-Meei Wu, Han-I. Lin, Meng-Ling Chen, Chun-Hwei Tai, Chin-Hsien Lin
Loss of function mutations in RAB39B were recently linked to X-linked recessive early-onset Parkinsonism with variable degrees of intellectual dysfunction. Postmortem examination of the brain biopsy from a patient carrying the gene deletion revealed widespread α-synuclein pathology. However, subsequent analyses reported conflict results to replicate the role of RAB39B mutations in patients with early-onset Parkinsonism. The aim of this study was to address the genetic contribution of RAB39B in early-onset and familial Parkinson's disease (PD) in a Taiwanese population. Among 466 subjects, we sequenced both the exons and exon-intron boundaries of RAB39B from 235 patients with early-onset PD (age of onset <50 years), 119 probands with familial PD, and 112 ethnicity-matched control subjects. We did not find any coding variants or previously reported mutations, suggesting that RAB39B mutations are not a common cause of early-onset or familial PD in our Taiwanese population.



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