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Linkage Disequilibrium Utilized to Establish a Refined Genetic Position of the Salla Disease Locus on 6q14-q15

Salla disease (SD), an inherited free sialic acid storage disorder, is caused by impaired transport of free sialic acid across the lysosomal membrane. Clinical characteristics of the disease include severe psychomotor retardation and some neurological abnormalities. We report here detailed linkage a...

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Published in:Genomics (San Diego, Calif.) Calif.), 1995-05, Vol.27 (2), p.286-292
Main Authors: Schleutker, Johanna, Laine, Antti-Pekka, Haataja, Leena, Renlund, Martin, Weissenbach, Jean, Aula, Pertti, Peltonen, Leena
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container_issue 2
container_start_page 286
container_title Genomics (San Diego, Calif.)
container_volume 27
creator Schleutker, Johanna
Laine, Antti-Pekka
Haataja, Leena
Renlund, Martin
Weissenbach, Jean
Aula, Pertti
Peltonen, Leena
description Salla disease (SD), an inherited free sialic acid storage disorder, is caused by impaired transport of free sialic acid across the lysosomal membrane. Clinical characteristics of the disease include severe psychomotor retardation and some neurological abnormalities. We report here detailed linkage analyses of 50 Finnish SD families that localize the SD disease gene to a refined chromosomal area on 6q14-q15. The highest lod score of 17.30 was obtained with a microsatellite marker of locus D6S280. When linkage disequilibrium was adopted in the linkage analyses, we could further assign the SD locus to the immediate vicinity of marker locus D6S406. Linkage disequilibrium facilitated further restriction of the critical chromosomal region to approximately 80 kb, well within the limits of positional cloning techniques.
doi_str_mv 10.1006/geno.1995.1044
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ispartof Genomics (San Diego, Calif.), 1995-05, Vol.27 (2), p.286-292
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1089-8646
language eng
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source ScienceDirect Journals
subjects Alleles
Biological and medical sciences
Chromosome Mapping
Chromosomes, Human, Pair 6
DNA - analysis
Female
Finland
Haplotypes
Humans
Linkage Disequilibrium
Lod Score
Lysosomal Storage Diseases - genetics
Male
Medical sciences
Metabolic diseases
Miscellaneous
N-Acetylneuraminic Acid
Other metabolic disorders
Sialic Acids - genetics
title Linkage Disequilibrium Utilized to Establish a Refined Genetic Position of the Salla Disease Locus on 6q14-q15
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