NDLI: Genomewide Significant Linkage to Migrainous Headache on Chromosome 5q21

Content Provider	PubMed Central
Author	Nyholt, Dale R. Morley, Katherine I. Ferreira, Manuel A. R. Medland, Sarah E. Boomsma, Dorret I. Heath, Andrew C. Merikangas, Kathleen R. Montgomery, Grant W. Martin, Nicholas G.
Copyright Year	2005
Abstract	Familial typical migraine is a common, complex disorder that shows strong familial aggregation. Using latent-class analysis (LCA), we identified subgroups of people with migraine/severe headache in a community sample of 12,245 Australian twins (60% female), drawn from two cohorts of individuals aged 23–90 years who completed an interview based on International Headache Society criteria. We report results from genomewide linkage analyses involving 756 twin families containing a total of 790 independent sib pairs (130 affected concordant, 324 discordant, and 336 unaffected concordant for LCA-derived migraine). Quantitative-trait linkage analysis produced evidence of significant linkage on chromosome 5q21 and suggestive linkage on chromosomes 8, 10, and 13. In addition, we replicated previously reported typical-migraine susceptibility loci on chromosomes 6p12.2-p21.1 and 1q21-q23, the latter being within 3 cM of the rare autosomal dominant familial hemiplegic migraine gene (ATP1A2), a finding which potentially implicates ATP1A2 in familial typical migraine for the first time. Linkage analyses of individual migraine symptoms for our six most interesting chromosomes provide tantalizing hints of the phenotypic and genetic complexity of migraine. Specifically, the chromosome 1 locus is most associated with phonophobia; the chromosome 5 peak is predominantly associated with pulsating headache; the chromosome 6 locus is associated with activity-prohibiting headache and photophobia; the chromosome 8 locus is associated with nausea/vomiting and moderate/severe headache; the chromosome 10 peak is most associated with phonophobia and photophobia; and the chromosome 13 peak is completely due to association with photophobia. These results will prove to be invaluable in the design and analysis of future linkage and linkage disequilibrium studies of migraine.
Related Links	http://dx.doi.org/10.1086/444510
Ending Page	512
Page Count	13
Starting Page	500
File Format	PDF
ISSN	00029297
e-ISSN	15376605
Journal	American Journal of Human Genetics
Issue Number	3
Volume Number	77
Language	English
Publisher	The American Society of Human Genetics
Publisher Date	2005-09-01
Access Restriction	Open
Rights Holder	The American Society of Human Genetics
Subject Keyword	Genetics(clinical) Genetics Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Genetics Genetics (clinical)

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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