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Low levels of antibodies against phosphorylcholine predict development of stroke in a population-based study from northern Sweden
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Medicine.
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Nutritional Research. (Arcum)ORCID iD: 0000-0001-9581-3845
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2010 (English)In: Stroke, ISSN 0039-2499, E-ISSN 1524-4628, Vol. 41, no 4, 607-612 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND AND PURPOSE: Natural immunoglobulin M antibodies specific for phosphorylcholine (anti-PC) have been implicated in atherosclerosis. We have shown previously that high levels of anti-PC predict a slower progression of atherosclerosis in humans and that low levels of anti-PC are associated with higher risk for cardiovascular disease. Here we determine the association between anti-PC and the incidence of stroke. METHODS: Using a nested case control study design, we examined 227 incident cases (125 men and 102 women) of first-time stroke and 455 age- and sex-matched controls identified during a 13-year time period (1985 to 1999) within the population-based cohorts of the Västerbotten Intervention Project (VIP) and the World Health Organization Monitoring Trends and Determinants in Cardiovascular Disease (WHO MONICA) project in Northern Sweden. Odds ratios of stroke with 95% CIs with adjustments for age, gender, smoking, serum cholesterol, diabetes, body mass index, and blood pressure were determined. Anti-PC levels were measured using ELISA. RESULTS: A significant association between low levels of anti-PC at baseline and incident stroke was seen for the whole group of anti-PC levels below the 30th percentile (multivariately adjusted odds ratio, 1.62; CI, 1.11 to 2.35). Analyses of gender-specific associations indicated fairly strong associations for females, especially at the lowest 30th percentile (multivariately adjusted odds ratio, 2.65; CI, 1.41 to 4.95). No associations were noted for men. CONCLUSION: Low anti-PC is a novel independent risk marker for development of stroke. Measurements of anti-PC could be used to identify immunodeficient subjects at an increased risk for stroke. The possibility that such subjects might be targets for novel modes of treatment such as immunotherapies deserves further investigation.

Place, publisher, year, edition, pages
2010. Vol. 41, no 4, 607-612 p.
Keyword [en]
immunology, inflammation
URN: urn:nbn:se:umu:diva-36110DOI: 10.1161/STROKEAHA.109.558742ISI: 000276106100011PubMedID: 20150554OAI: diva2:351964
Available from: 2010-09-17 Created: 2010-09-17 Last updated: 2016-05-23Bibliographically approved

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