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Review
. 2016 Jul-Aug;64(4):630-2.
doi: 10.4103/0028-3886.185402.

NFU1 gene mutation and mitochondrial disorders

Yasemin G Kurt  1 , Bulent Kurt  2 , Ibrahim Aydin  3 , Mehmet Agilli  4 , Fevzi N Aydin  5
Affiliations
Free article
Review

NFU1 gene mutation and mitochondrial disorders

Yasemin G Kurt et al. Neurol India. 2016 Jul-Aug.
Free article

Abstract

Mitochondrial respiratory chains consist of approximately 100 structural proteins. Thirteen of these structural proteins are encoded by mitochondrial DNA (mtDNA), and the others by nuclear DNA (nDNA). Mutation in any of the mitochondrial structural-protein related genes, regardless of whether they are in the nDNA or mtDNA, might cause mitochondrial disorders. In the recent past, new nuclear genes required for assembly, maintenance, and translation of respiratory chain proteins have been found. Mutation in these genes might also cause mitochondrial disorders (MD). NFU1 gene is one of such genes and has a role in the assembly of iron-sulfur cluster (ISC). ISCs are included in a variety of metalloproteins, such as the ferredoxins, as well as in enzymatic reactions and have been first identified in the oxidation-reduction reactions of mitochondrial electron transport. It is important to be aware of NFU1 gene mutations that may cause severe mitochondrial respiratory chain defects, mitochondrial encephalomyopathies and death, early in life.

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