Human CCS gene: genomic organization and exclusion as a candidate for amyotrophic lateral sclerosis (ALS)

Asli N Silahtaroglu, Karen Brondum-Nielsen, Ole Gredal, Lene Werdelin, Marios Panas, Michael B Petersen, Niels Tommerup, Zeynep Tümer

Abstract

BACKGROUND: Amyotrophic lateral sclerosis (ALS) is a progressive lethal disorder of large motor neurons of the spinal cord and brain. In approximately 20% of the familial and 2% of sporadic cases the disease is due to a defect in the gene encoding the cytosolic antioxidant enzyme Cu, Zn-superoxide dismutase (SOD1). The underlying molecular defect is known only in a very small portion of the remaining cases and therefore involvement of other genes is likely. As SOD1 receives copper, essential for its normal function, by the copper chaperone, CCS (Copper Chaperone for SOD), we considered CCS as a potential candidate gene for ALS.

RESULTS: We have characterized the genomic organization of CCS and determined exon-intron boundaries. The 823 bp coding region of the CCS is organized in 8 exons. We have evaluated involvement of the CCS in ALS by sequencing the entire coding region for mutations in 20 sporadic ALS patients.

CONCLUSIONS: No causative mutations for the ALS have been detected in the CCS gene in 20 sporadic ALS patients analyzed, but an intragenic single nucleotide polymorphism has been identified.

OriginalsprogEngelsk
TidsskriftBMC Genetics
Vol/bind3
Sider (fra-til)5
ISSN1471-2156
DOI
StatusUdgivet - 19 apr. 2002

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