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Exome sequence reveals mutations in CoA synthase as a cause of neurodegeneration with brain iron accumulation.
Am. J. Hum. Genet. 94, 11-22 (2014)
Neurodegeneration with brain iron accumulation (NBIA) comprises a clinically and genetically heterogeneous group of disorders with progressive extrapyramidal signs and neurological deterioration, characterized by iron accumulation in the basal ganglia. Exome sequencing revealed the presence of recessive missense mutations in COASY, encoding coenzyme A (CoA) synthase in one NBIA-affected subject. A second unrelated individual carrying mutations in COASY was identified by Sanger sequence analysis. CoA synthase is a bifunctional enzyme catalyzing the final steps of CoA biosynthesis by coupling phosphopantetheine with ATP to form dephospho-CoA and its subsequent phosphorylation to generate CoA. We demonstrate alterations in RNA and protein expression levels of CoA synthase, as well as CoA amount, in fibroblasts derived from the two clinical cases and in yeast. This is the second inborn error of coenzyme A biosynthesis to be implicated in NBIA.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
Kinase-associated Neurodegeneration; Hallervorden-spatz-syndrome; Coenzyme-a; Saccharomyces-cerevisiae; Mitochondria; Gene; Biosynthesis; Yeast; Nbia; Identification
ISSN (print) / ISBN
0002-9297
e-ISSN
1537-6605
Zeitschrift
American Journal of Human Genetics, The
Quellenangaben
Band: 94,
Heft: 1,
Seiten: 11-22
Verlag
Elsevier
Verlagsort
New York, NY
Nichtpatentliteratur
Publikationen
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Human Genetics (IHG)