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Dec 22, 2017

Researchers Discover Key to Diseases in Mitochondrial DNA Mutations

Posted by in categories: biotech/medical, genetics, life extension, nuclear energy

New view on mitochondrial DNA could put the brakes on mutations that drive diseases. Scientists perform landmark sequencing of mitochondrial DNA and discover surprising facts.


Summary: New view on mitochondrial DNA could help put the brakes on mutations that drive diseases. [Author: Brady Hartman. This article first appeared on LongevityFacts.]

DNA sequences between mitochondria inside a single cell are vastly different, reported scientists in the Perelman School of Medicine at the University of Pennsylvania. This discovery will help to illuminate the underlying mechanisms of diseases that start with mutations in mitochondrial DNA and provide clues about how patients might respond to specific treatments. The researchers published their findings in the journal Cell Reports this week.

Mutant Mitochondrial DNA

Mitochondria are the tiny organelles that produce energy inside our cells. We have two types of DNA in our bodies, the DNA inside the nucleus of our cells, called nuclear DNA – which stores the vast majority of our genetic code – and a separate DNA inside the mitochondria called mitochondrial DNA (mtDNA).

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