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Circulating CD40(+) and CD86(+) B Cell Subsets Demonstrate Opposing Associations With Risk of Stroke
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- Mantani, Polyxeni (author)
- Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups
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- Ljungcrantz, Irena (author)
- Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups
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- Andersson, Linda (author)
- Lund University,Lunds universitet,Kardiovaskulär forskning - immunitet och ateroskleros,Forskargrupper vid Lunds universitet,Cardiovascular Research - Immunity and Atherosclerosis,Lund University Research Groups
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- Lippincott Williams & Wilkins, 2014
- 2014
- English.
- In: Arteriosclerosis, Thrombosis and Vascular Biology. - : Lippincott Williams & Wilkins. - 1079-5642 .- 1524-4636. ; 34:1, s. 211-218
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Objective-Accumulating evidence shows that immune cells play an important role in atherosclerosis. Most attention has focused on the role of different T cell subsets, whereas the possible involvement of B cells has been less studied. In this study, we assessed the association of 2 different B cell subsets, CD19(+)CD40(+) and CD19(+)CD86(+) B cells, with risk for development of acute cardiovascular events. Approach and Results-The prospective study included 700 subjects randomly selected from the cardiovascular cohort of the Malmo Diet and Cancer study. Mononuclear leukocytes, stored at -140 degrees C at the baseline investigation in 1991-1994, were thawed and B cell subsets analyzed by flow cytometry. Cytokine release from CD3/CD28-stimulated mononuclear leukocytes was measured with multiplex ELISA. Baseline carotid intima-media thickness and stenosis were assessed by ultrasonography, and clinical events were monitored through validated national registers during a median/mean follow-up time of 15 years. The subjects in the highest tertile of CD19(+)CD40(+) B cells had a significantly lower risk of incident stroke after adjustment for other risk factors. In contrast, CD19(+)CD86(+) B cells were associated with higher risk for development of a stroke event and increased release of proinflammatory cytokines from mononuclear leukocytes. Conclusions-These observations provide evidence for an involvement of B cells in the incidence of stroke and suggest that both pathogenic and protective B cell subsets exist.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
Keyword
- B-lymphocyte subsets
- carotid artery diseases
- prospective studies
- stroke
Publication and Content Type
- ref (subject category)
- art (subject category)
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