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Heterogeneity of B Cell Functions in Stroke-Related Risk, Prevention, Injury, and Repair
Journal article   Open access   Peer reviewed

Heterogeneity of B Cell Functions in Stroke-Related Risk, Prevention, Injury, and Repair

Uma Maheswari Selvaraj, Katherine Poinsatte, Vanessa Torres, Sterling B Ortega and Ann M Stowe
Neurotherapeutics, Vol.13(4), pp.729-747
10/2016
DOI: 10.1007/s13311-016-0460-4
PMCID: PMC5081124
PMID: 27492770
url
https://doi.org/10.1007/s13311-016-0460-4View
Published (Version of record) Open Access

Abstract

It is well established that post-stroke inflammation contributes to neurovascular injury, blood-brain barrier disruption, and poor functional recovery in both animal and clinical studies. However, recent studies also suggest that several leukocyte subsets, activated during the post-stroke immune response, can exhibit both pro-injury and pro-recovery phenotypes. In accordance with these findings, B lymphocytes, or B cells, play a heterogeneous role in the adaptive immune response to stroke. This review highlights what is currently understood about the various roles of B cells, with an emphasis on stroke risk factors, as well as post-stroke injury and repair. This includes an overview of B cell functions, such as antibody production, cytokine secretion, and contribution to the immune response as antigen presenting cells. Next, evidence for B cell-mediated mechanisms in stroke-related risk factors, including hypertension, diabetes, and atherosclerosis, is outlined, followed by studies that focus on B cells during endogenous protection from stroke. Subsequently, animal studies that investigate the role of B cells in post-stroke injury and repair are summarized, and the final section describes current B cell-related clinical trials for stroke, as well as other central nervous system diseases. This review reveals the complex role of B cells in stroke, with a focus on areas for potential clinical intervention for a disease that affects millions of people globally each year.
Stroke - pathology Stroke - prevention & control Animals Humans B-Lymphocytes - physiology Stroke - complications Stroke - immunology

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