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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2004-11-1
pubmed:abstractText
Autistic patients have a 100 to 190-fold increased risk of neurofibromatosis compared to the general population. This suggests that the two diseases may share a common etiological background. Recently, a new allele (or the six-repeat allele) of the (AAAT)(n) repeat polymorphism in an Alu sequence in the neurofibromatosis-1 (NF1) gene was observed exclusively in severe autistic patients, not in controls, in Caucasians of French ancestry. This suggests a role of the NF1 gene in the development of autism. We investigated three microsatellite polymorphisms within the intron-27b and intron-38 of the NF1 region, including the (AAAT)(n) and two (CA)n repeat polymorphisms, in Japanese subjects with autism (n = 74) and controls (n = 122). The six-repeat allele of the (AAAT)(n) polymorphism was not found either in patients or controls, possibly indicating an ethnic difference in the polymorphism. However, significant differences were observed in the allele distributions of the (AAAT)(n) and a (CA)(n), which were located at intron-27b, between patients and controls, although an association was not significant between autism and another polymorphism at intron-38. This may suggest an involvement of the NF1 locus in susceptibility to autism, although further investigations are recommended.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
1552-4841
pubmed:author
pubmed:issnType
Print
pubmed:day
15
pubmed:volume
131B
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
43-7
pubmed:dateRevised
2008-5-21
pubmed:meshHeading
pubmed:year
2004
pubmed:articleTitle
Association between the neurofibromatosis-1 (NF1) locus and autism in the Japanese population.
pubmed:affiliation
Department of Psychiatry, Graduate School of Medicine, University of Tokyo, Tokyo, Japan.
pubmed:publicationType
Journal Article