John Benedikz

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Migraine is a common form of headache and has a significant genetic component. Here, we report linkage results from a study in Iceland of migraine without aura (MO). The study group comprised patients with migraine recruited by neurologists and from the registry of the Icelandic Migraine Society, as well as through the use of a questionnaire sent to a(More)
We identified a marker in LINGO1 showing genome-wide significant association (P = 1.2 x 10(-9), odds ratio = 1.55) with essential tremor. LINGO1 has potent, negative regulatory influences on neuronal survival and is also important in regulating both central-nervous-system axon regeneration and oligodendrocyte maturation. Increased axon integrity observed in(More)
Multiple sclerosis (MS) is a demyelinating disorder of the central nervous system (CNS) with a complex genetic background. Here we use a genome-wide association strategy with 4804 microsatellite markers successfully typed in separately pooled DNA from 200 patients and 200 controls. A total of 91 markers showed evidence of association. When compared to our(More)
PURPOSE Several clinical series reported an association between multiple sclerosis (MS) and epilepsy. We conducted a total population study in Iceland to determine the risk for developing epilepsy in patients with MS compared with that expected in the general population. METHODS Medical records of the 188 incidence cases of clinically definite MS first(More)
We analyzed the association of HLA-DR and -DQ haplotypes and alleles with multiple sclerosis (MS) in 91 patients and 91 controls from Iceland using the relative predispositional effect method. The aim was to establish whether there is heterogeneity in HLA associations with MS, whether there are both predispositional and protective haplotypes, and whether(More)
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