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Mitochondrion. 2011 May;11(3):450-6. doi: 10.1016/j.mito.2011.01.002. Epub 2011 Feb 1.

Mitochondrial DNA variations associated with recurrent pregnancy loss among Indian women.

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  • 1Centre for Cellular and Molecular Biology (CSIR), Hyderabad, India.


Several genetic factors have been found to be associated with recurrent pregnancy loss (RPL). However, not many attempts have been made to associate the mitochondrial DNA (mtDNA) variations with RPL. Therefore, we have analyzed the complete mtDNA of 100 women with RPL and 12 aborted fetal tissues. Our analysis revealed a total of 681 variations, most of which were in NADH Dehydrogenase (ND) genes that encode mitochondrial enzyme Complex I. Presence of T4216C variation (ND1 gene) in 9% of the RPL women and several pathogenic, and novel mutations suggest the role of mtDNA variations in RPL.

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