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Fine-Mapping of Restless Legs Locus 4 (RLS4) Identifies a Haplotype over the SPATS2L and KCTD18 Genes
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2013 (English)In: Journal of Molecular Neuroscience, ISSN 0895-8696, E-ISSN 1559-1166, Vol. 49, no 3, 600-605 p.Article in journal (Refereed) Published
Abstract [en]

Restless legs syndrome (RLS) is a sleep-related movement disorder that affects up to 15 % of the population. Linkage studies have identified several genomic loci in single families (12q, 14q, 9p, 2q, 20p and 16p, respectively). However, confirmation of these loci has not always been achieved, and causative mutations have not yet been identified. The locus on chromosome 2q33 (RLS4) was identified in two South Tyrolean families who shared a haplotype of microsatellite marker alleles across an 8.2-cM region. To pinpoint the gene localisation within RLS4, additional families from the same geographic region were evaluated, and linkage was replicated in one family. Within the candidate region, we initially found a haplotype of 23 single nucleotide polymorphism markers spanning 131.6 Kb shared by all affected members of the three linked families. Using a next generation sequencing approach, we further restricted the shared candidate region to 46.9 Kb over the potassium channel-related gene KCTD18 and exons 10-13 of SPATS2L.

Place, publisher, year, edition, pages
2013. Vol. 49, no 3, 600-605 p.
Keyword [en]
Restless legs syndrome, Familial form, Genetics, Isolated population, RLS4
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-196522DOI: 10.1007/s12031-012-9891-5ISI: 000314701300022OAI: oai:DiVA.org:uu-196522DiVA: diva2:610899
Available from: 2013-03-13 Created: 2013-03-11 Last updated: 2013-03-13Bibliographically approved

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Tellgren-Roth, ChristianGyllensten, Ulf
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Department of Immunology, Genetics and PathologyScience for Life Laboratory, SciLifeLabGenomics
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