Article
Lack of association between cluster headache and PER3 clock gene polymorphism.
The journal of headache and pain - 1 Jan 2015
Ofte Hilde K, Tronvik Erling, Alstadhaug Karl B
Abstract excerpt
BACKGROUND: Cluster headache (CH) is regarded as a chronobiological disorder. The hypothalamic biological clock may thus be involved in the pathophysiology, but few studies have actually investigated this in CH patients. A variable number tandem repeat (VNTR) polymorphism of the PER3 clock gene has been associated to preferred daily rhythm (chronotype) in several studies. We aimed to study the distribution of...
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