HLA and genetic susceptibility to sleepwalking
- 1 January 2003
- journal article
- research article
- Published by Springer Science and Business Media LLC in Molecular Psychiatry
- Vol. 8 (1), 114-117
- https://doi.org/10.1038/sj.mp.4001203
Abstract
HLA-DQB1 typing was performed in 60 Caucasian subjects with sleepwalking (SW) disorder and their families and 60 ethnically matched subjects without any diagnosed sleep disorder. A total of 21 sleepwalkers (35.0%) were DQB1*0501 positive vs eight (13.3%) controls (P=0.0056; odds ratio=3.5, 95% CI=1.4–8.7). The family data for all HLA subtypes were further assessed for allelic association with SW using the transmission–disequilibrium test. A significant excess transmission was observed for DQB1*05 and *04 alleles in familial cases, strongly suggesting that a DQB1 polymorphic amino acid might be more tightly associated than any single allele. Sequence screening revealed that Ser74 in the second exon shared by all DQB1*05 and *04 was 20 times transmitted against 4 times non-transmitted (P=0.001) in familial cases of SW. Thus, together with narcolepsy and REM sleep behavior disorder, these findings suggest that specific DQB1 genes are implicated in disorders of motor control during sleep.This publication has 18 references indexed in Scilit:
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