Human CCR5high effector memory cells perform CNS parenchymal immune surveillance via GZMK-mediated transendothelial diapedesis

Author:

Herich Sebastian1,Schneider-Hohendorf Tilman1ORCID,Rohlmann Astrid2,Khaleghi Ghadiri Maryam3,Schulte-Mecklenbeck Andreas1,Zondler Lisa4,Janoschka Claudia1,Ostkamp Patrick1,Richter Jannis1,Breuer Johanna1,Dimitrov Stoyan5ORCID,Rammensee Hans-Georg6,Grauer Oliver M1,Klotz Luisa1,Gross Catharina C1,Stummer Walter3,Missler Markus2,Zarbock Alexander4,Vestweber Dietmar7,Wiendl Heinz1,Schwab Nicholas1ORCID

Affiliation:

1. Department of Neurology with Institute of Translational Neurology, University Hospital Münster, University of Münster, Münster, Germany

2. Institute of Anatomy and Molecular Neurobiology University of Münster, Münster, Germany

3. Department of Neurosurgery, University Hospital Münster, Münster, Germany

4. Department of Anesthesiology, Intensive Care and Pain Medicine, University of Münster, Münster, Germany

5. Institute of Medical Psychology and Behavioral Neurobiology, University of Tübingen, Tübingen, Germany

6. Department of Immunology, Institute for Cell Biology, University of Tübingen, Tübingen, Germany

7. Max Planck Institute for Molecular Biomedicine, University of Münster, Münster, Germany

Abstract

Specific immune-cell populations patrol the CNS in search of pathogens and tumours. Herich et al. identify CD4+ CCR5high GzmK+ effector-memory cells as a brain-surveilling subpopulation capable of crossing the uninflamed blood-brain barrier, and reveal alterations in this population in HIV+ patients with neurological symptoms and in patients with multiple sclerosis.

Funder

Deutsche Forschungsgemeinschaft

Project B01

Kompetenznetz Multiple Sklerose

Federal Ministry of Education and Research

Publisher

Oxford University Press (OUP)

Subject

Clinical Neurology

Reference96 articles.

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2. Disruption of central nervous system barriers in multiple sclerosis;Alvarez;Biochim Biophys Acta-Mol Basis Dis,2011

3. Environmental risk factors for multiple sclerosis. Part I: the role of infection;Ascherio;Ann Neurol,2007

4. CCR5+ and CXCR3+ T cells are increased in multiple sclerosis and their ligands MIP-1α and IP-10 are expressed in demyelinating brain lesions;Balashov;Immunology,1999

5. Environmental risk factors and multiple sclerosis: an umbrella review of systematic reviews and meta-analyses;Belbasis;Lancet Neurol,2015

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