Mitochondrial gene mutation

Shin, W.S.; Toyo-oka, T.

Nihon Rinsho. Japanese Journal of Clinical Medicine 58(1): 129-133

2000


ISSN/ISBN: 0047-1852
PMID: 10885300
Document Number: 514461
Mitochondrial DNA(mtDNA) anomaly was emerging as a cause of idiopathic cardiomyopathy in addition to sarcomeric gene mutation. Meanwhile, several point mutations and deletions in mtDNA initially recognized as major causes of mitochondrial encephalomyopathies are now clarified to share 1% cause of diabetes mellitus. These results indicate that mtDNA mutations will be a significant candidate for cardiomyopathies. Screening of cardiomyopathic patients with mtDNA point mutations revealed that there were at least several % of mtDNA anomaly (MELAS type) among them. They also showed specific findings in ultrastructures of the cardiac muscle.

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