Pseudo-heterozygous rearrangement mutation of parkin

被引：5

作者：

Funayama, Manabu ^{[1
,2
]}

Yoshino, Hiroyo

Li, Yuanzhe

Kusaka, Hiromichi ^{[2
]}

Tomiyama, Hiroyuki ^{[2
,3
]}

Hattori, Nobutaka ^{[1
,2
,3
]}

机构：

[1] Juntendo Univ, Grad Sch Med, Res Inst Dis Old Age, Bunkyo Ku, Tokyo 1138421, Japan

[2] Juntendo Univ, Sch Med, Dept Neurol, Tokyo 1138421, Japan

[3] Juntendo Univ, Sch Med, Dept Neurosci Neurodegenerat Disorders, Tokyo 1138421, Japan

来源：

MOVEMENT DISORDERS | 2012年 / 27卷 / 04期

关键词：

Parkinson's disease; rearrangement; parkin; compound heterozygote; gene dosage; PHENOTYPIC VARIATION; PINK1; MUTATIONS; DISEASE; GENE;

D O I：

10.1002/mds.24906

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

Background: Mutations in parkin are the most frequent cause of autosomal recessive parkinsonism. Quantitative PCR is used to detect parkin rearrangements. However, the method has an inherent problemdeletion and duplication in the same allelic exon could be determined as normal. To present this misidentification, we report a family with compound heterozygous rearrangements in parkin. Methods: A patient with early-onset parkinsonism and the parents were investigated by quantitative PCR, haplotype analysis, reverse-transcription PCR, and direct sequencing. Results: A single heterozygous duplication (duplication of exons 6-7) was identified in the patient by quantitative PCR. Detailed analysis of the family revealed the patient carried compound heterozygous of combined deletion (deletion of exons 3-5) and duplication (duplication of exons 3-7). Conclusions: For correct determination of rearrangement mutation, mutation analysis of the patient as well as other family members and/ or break-point analysis of genomic DNA and at the transcript level should be conducted. (C) 2012 Movement Disorder Society

引用

页码：552 / 555

页数：4

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