A1 Refereed original research article in a scientific journal

THE GENETIC-LOCUS FOR FREE SIALIC-ACID STORAGE DISEASE MAPS TO THE LONG ARM OF CHROMOSOME-6




AuthorsHAATAJA L, SCHLEUTKER J, LAINE AP, RENLUND M, SAVONTAUS ML, DIB C, WEISSENBACH J, PELTONEN L, AULA P

PublisherUNIV CHICAGO PRESS

Publication year1994

JournalAmerican Journal of Human Genetics

Journal name in sourceAMERICAN JOURNAL OF HUMAN GENETICS

Journal acronymAM J HUM GENET

Volume54

Issue6

First page 1042

Last page1049

Number of pages8

ISSN0002-9297


Abstract
Salla disease (SD), or adult-type free sialic acid storage disease, is an autosomal recessive lysosomal storage disorder characterized by impaired transport of free sialic acid across the lysosomal membrane and severe psychomotor retardation. Random linkage analysis of a sample of 27 Finnish families allowed us to localize the SD locus to the long arm of chromosome 6. The highest lod score of 8.95 was obtained with a microsatellite marker of locus D6S286 at theta =.00. Evidence for linkage disequilibrium was observed between the SD locus and the alleles of three closely linked markers, suggesting that the length of the critical region for the SD locus is in the order of 190 kb.



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