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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Molecular analysis of cystinuria in Libyan Jews: exclusion of the SLC3A1 gene and mapping of a new locus on 19q.

Cystinuria is a hereditary disorder of amino acid transport and is manifested by the development of kidney stones. In some patients the disease is caused by mutations in the SLC3A1 gene, which is located on the short arm of chromosome 2 and encodes a renal/intestinal transporter for cystine and the dibasic amino acids. In Israel cystinuria is especially common among Jews of Libyan origin. After excluding SLC3A1 as the disease-causing gene in Libyan Jewish patients, we performed a genomewide search that shows that the Libyan Jewish cystinuria gene maps to the long arm of chromosome 19. Significant linkage was obtained for seven chromosome 19 markers. A maximal LOD score of 9.22 was obtained with the marker D19S882. Multipoint data and recombination analysis placed the gene in an 8-cM interval between the markers D19S409 and D19S208. Significant linkage disequilibrium was observed for alleles of four markers, and a specific haplotype comprising the markers D19S225, D19S208, D19S220, and D19S422 was found in 11 of 17 carrier chromosomes, versus 1 of 58 Libyan Jewish noncarrier chromosomes.[1]

References

  1. Molecular analysis of cystinuria in Libyan Jews: exclusion of the SLC3A1 gene and mapping of a new locus on 19q. Wartenfeld, R., Golomb, E., Katz, G., Bale, S.J., Goldman, B., Pras, M., Kastner, D.L., Pras, E. Am. J. Hum. Genet. (1997) [Pubmed]
 
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