A new method for analysis of mitochondrial DNA point mutations and assess levels of heteroplasmy

被引：32

作者：

Cassandrini, D

Calevo, MG

Tessa, A

Manfredi, G

Fattori, F

Meschini, MC

Carrozzo, R

Tonoli, E

Pedemonte, M

Minetti, C

Zara, F

Santorelli, FM

Bruno, C ^{[1
]}

机构：

[1] Univ Genoa, Unit Muscular & Neurodegenerat Dis, I-16126 Genoa, Italy

[2] G Gaslini Inst Children, Serv Epidemiol & Biostat, Genoa, Italy

[3] Bambino Gesu Pediat Hosp, IRCCS, Mol Med Unit, Rome, Italy

[4] Cornell Univ, Dept Neurosci, Ithaca, NY 14853 USA

来源：

BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | 2006年 / 342卷 / 02期

关键词：

mtDNA; heteroplasmy; mitochondria; SNaPshot technology;

D O I：

10.1016/j.bbrc.2006.01.152

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Determination of mitochondrial DNA (mtDNA) heteroplasmy for the diagnosis of patients with mitochondrial disorders is a difficult task due to the coexistence of wild-type and mutant genomes. We have developed a new method for genotyping and quantification of heteroplasmic point mutations in mtDNA based on the SNaPshot technology. We compared the data of this method with the widely used "last hot-cycle" PCR-RFLP method by studying 15 patients carrying mtDNA mutations. We showed that SNaPshot is an accurate, reproducible, and sensitive technique for the determination of heteroplasmic. mtDNA mutations in different tissues from patients, and it is a promising system to be used in prenatal and postnatal diagnosis of mtDNA-associated disorders. (c) 2006 Elsevier Inc. All rights reserved.

引用

页码：387 / 393

页数：7

共 21 条

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