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The genetics of primary nocturnal enuresis: inheritance and suggestion of a second major gene on chromosome 12q
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Genetics and Pathology.
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1997 (English)In: Journal of Medical Genetics, ISSN 0022-2593, Vol. 34, no 5, 360-5 p.Article in journal (Refereed) Published
Abstract [en]

Primary nocturnal enuresis (PNE), or bedwetting at night, affects approximately 10% of 6 year old children. Genetic components contribute to the pathogenesis and recently one locus was assigned to chromosome 13q. We evaluated the genetic factors and the pattern of inheritance for PNE in 392 families. Dominant transmission was observed in 43% and an apparent recessive mode of inheritance was observed in 9% of the families. Among the 392 probands the ratio of males to females was 3:1 indicating sex linked or sex influenced factors. Linkage to candidate regions was tested in 16 larger families segregating for autosomal dominant PNE. A gene for PNE was excluded from chromosome 13q in 11 families, whereas linkage to the interval D13S263-D13S291 was suggested (Zmax = 2.1) in three families. Further linkage analyses excluded about 1/3 of the genome at a 10 cM resolution except the region around D12S80 on chromosome 12q that showed a positive two point lod score in six of the families (Zmax = 4.2). This locus remains suggestive because the material was not sufficiently large to give evidence for heterogeneity. Our pedigree analysis indicates that major genes are involved in a large proportion of PNE families and the linkage results suggest that such a gene is located on chromosome 12q.

Place, publisher, year, edition, pages
1997. Vol. 34, no 5, 360-5 p.
Keyword [en]
primary nocturnal enuresis, inheritance, linkage analysis, heterogeneity
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-51917DOI: 10.1136/jmg.34.5.360PubMedID: 9152831OAI: oai:DiVA.org:uu-51917DiVA: diva2:79826
Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2009-09-18Bibliographically approved

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Annerén, GöranPettersson, UlfDahl, Niklas
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