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The Immune System and Stroke: From Current Targets to Future Therapy.

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The Immune System and Stroke: From Current Targets to Future Therapy.

Immunol Cell Biol. 2018 Jul 19;:

Authors: Malone K, Amu S, Moore AC, Waeber C

Abstract
Stroke is a major cause of morbidity and mortality worldwide. Despite the intensive search for new therapies, hundreds of agents targeting various pathophysiological mechanisms have failed clinical trials, and the thrombolytic agent tissue plasminogen activator is currently the only FDA-approved medication for the treatment of acute ischaemic stroke (AIS). The immune system is involved in all stages of stroke, from the pathogenesis of risk factors to neurotoxicity, to tissue remodelling and repair. There is a bi-directional interaction between the brain and the immune system, with stroke-induced immunosuppression and subsequent infection a principal source of patient mortality. Newer work also points to a role for the gut microbiota in the immune response to stroke, while clinical sequelae such as dementia might now also be explained in immune terms. However, the exact roles of innate and adaptive components have not been fully elucidated, with studies reporting both detrimental and beneficial functions. Time is a key determinant in defining whether immunity and inflammation are neuroprotective or neurotoxic. The local inflammatory milieu also has a clear influence on many proposed treatments. This review examines the individual components of the immune response to stroke, highlighting the most promising future stroke immunotherapies. This article is protected by copyright. All rights reserved.

PMID: 30022515 [PubMed – as supplied by publisher]

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