Genetic etiology of Parkinson disease associated with mutations in the SNCA, PARK2, PINK1, PARK7, and LRRK2 genes: a mutation update.

Genetic etiology of Parkinson disease associated with mutations in the SNCA, PARK2, PINK1, PARK7, and LRRK2 genes: a mutation update.
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DOI:
10.1002/humu.21277
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发表时间:
2010-07
期刊:
影响因子:
3.9
通讯作者:
Van Broeckhoven, Christine
Van Broeckhoven, Christine
中科院分区:
医学2区
文献类型:
--
作者:
Nuytemans, Karen;Theuns, Jessie;Cruts, Marc;Van Broeckhoven, Christine

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到目前为止,分子遗传学分析已经在与家族性帕金森病相关的五个疾病基因中鉴定出500多种不同的DNA变异;α - 突触核蛋白(SNCA)、帕金(PARK2)、PTEN诱导的假定激酶1(PINK1)、DJ - 1(PARK7)和富含亮氨酸重复激酶2(LRRK2)。这些基因变异包括约82%的单基因突变和约18%的拷贝数变异。一些突变亚型可能被低估了,因为只有少数研究通过外显子测序和剂量分析对所有五个基因进行了广泛的突变分析。在此,我们对文献中迄今发表的所有突变进行了更新,并在一个新的突变数据库(http://www.molgen.ua.ac.be/PDmutDB)中进行了系统整理。此外,我们探讨了假定致病性突变的生物学相关性。本综述强调对帕金森病患者进行全面基因筛查的必要性,随后对观察到的基因变异的功能相关性进行深入研究。此外,在收集文献中的现有数据时,很明显这五个帕金森病基因中的几个也对其他路易体疾病和帕金森叠加综合征的遗传病因有影响,这表明在这些患者群体中进行突变筛查是可取的。《人类突变》2010年第31卷第763 - 780页。© 2010威利 - 利斯公司
To date, molecular genetic analyses have identified over 500 distinct DNA variants in five disease genes associated with familial Parkinson disease; α-synuclein (SNCA), parkin (PARK2), PTEN-induced putative kinase 1 (PINK1), DJ-1 (PARK7), and Leucine-rich repeat kinase 2 (LRRK2). These genetic variants include ∼82% simple mutations and ∼18% copy number variations. Some mutation subtypes are likely underestimated because only few studies reported extensive mutation analyses of all five genes, by both exonic sequencing and dosage analyses. Here we present an update of all mutations published to date in the literature, systematically organized in a novel mutation database (http://www.molgen.ua.ac.be/PDmutDB). In addition, we address the biological relevance of putative pathogenic mutations. This review emphasizes the need for comprehensive genetic screening of Parkinson patients followed by an insightful study of the functional relevance of observed genetic variants. Moreover, while capturing existing data from the literature it became apparent that several of the five Parkinson genes were also contributing to the genetic etiology of other Lewy Body Diseases and Parkinson-plus syndromes, indicating that mutation screening is recommendable in these patient groups. Hum Mutat 31:763–780, 2010. © 2010 Wiley-Liss, Inc.
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