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Analysis of nitric ...
Analysis of nitric oxide synthase genes in cluster headache
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- Sjostrand, C (författare)
- Karolinska Institutet
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Modin, H (författare)
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- Masterman, T (författare)
- Karolinska Institutet
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- Ekbom, K (författare)
- Karolinska Institutet
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Waidenlind, E (författare)
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- Hillert, J (författare)
- Karolinska Institutet
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(creator_code:org_t)
- 2016-11-17
- 2002
- Engelska.
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Ingår i: Cephalalgia : an international journal of headache. - : SAGE Publications. - 0333-1024. ; 22:9, s. 758-764
- Relaterad länk:
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http://kipublication...
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https://doi.org/10.1...
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Abstract
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- The aetiology of cluster headache is still not yet completely understood, but the potential relevance of genetic factors has been recognized during recent years. Nitric oxide (NO) plays a critical role in the regulation of vasodilation, neurotransmission, inflammation and many other events throughout the body. NO also appears to be an important mediator of vascular headache pathophysiology. In this study we have performed an association analysis of five polymorphic micro-satellite markers in the three different NO synthase (NOS) genes; nNOS (NOS1), iNOS (NOS2A) and eNOS (NOS3). Ninety-one cluster headache patients diagnosed according to International Headache Society criteria and 111 matched controls were studied. Phenotype and allele frequencies were similarly distributed in patients and controls except for an iNOS (NOS2A) pentanucleotide repeat allele which was significantly more common in controls. We observed a higher phenotype frequency of this allele in our control group compared with rates in control groups of other studies, whereas the frequency in our patients was similar to that in controls from previous reports. Thus, we conclude that it is unlikely that genetic variations within the NOS genes contribute greatly to cluster headache susceptibility.
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- art (ämneskategori)
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