Mitochondrial DNA Mutations in Differentiated Thyroid Cancer with Respect to the Age Factor
2007
Introduction
Increased numbers of mitochondria in differentiated thyroid cancer and, most strikingly, mutations in human mitochondrial DNA (mtDNA) in older people have led to speculation that mtDNA mutations might contribute to aging or accumulate in postmitotic tissues with age. Mutation analyses of mtDNA in papillary (PTCs) and follicular (FTCs) thyroid carcinomas have been limited to date. The significance and frequency of mtDNA mutations in PTC and FTC are therefore controversial, as is age dependence.
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