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FARAFARA Cure FA

Identification of nonferritin mitochondrial iron deposits in a mouse model of Friedreich ataxia

There is no effective treatment for the cardiomyopathy of the most common autosomal recessive ataxia, Friedreich ataxia (FA). This disease is due to decreased expression of the mitochondrial protein, frataxin, which leads to alterations in mitochondrial iron (Fe) metabolism. The identification of potentially toxic mitochondrial Fe deposits in FA suggests Fe plays a role in its pathogenesis. Studies using the muscle creatine kinase (MCK) conditional frataxin knockout mouse that mirrors the disease have demonstrated frataxin deletion alters cardiac Fe metabolism. Indeed, there are pronounced changes in Fe trafficking away from the cytosol to the mitochondrion, leading to a cytosolic Fe deficiency.

Read More: Identification of nonferritin mitochondrial iron deposits in a mouse model of Friedreich ataxia


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Jen Farmer

Jen Farmer

Executive Director

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