Cited by 245Cell Adhesion Molecules ResearchMultiple Sclerosis Research StudiesNeuroinflammation and Neurodegeneration Mechanisms

The DOI matches its Crossref record; 57 of the 57 references it cites were found in a registry or an index.

Molecular Mechanisms Involved in Lymphocyte Recruitment in Inflamed Brain Microvessels: Critical Roles for P-Selectin Glycoprotein Ligand-1 and Heterotrimeric Gi-Linked Receptors

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Abstract

Lymphocyte recruitment into the brain is a critical event in the pathogenesis of multiple sclerosis and experimental autoimmune encephalomyelitis. We developed a novel intravital microscopy model to directly analyze through the skull the interactions between lymphocytes and the endothelium in cerebral venules of mice. No adhesive interactions were observed between lymphocytes and the nonactivated endothelium in the cerebral microcirculation. When brain venules were activated by pretreating mice with TNF-α or LPS, proteolipid protein 139–151 autoreactive T lymphocytes rolled and arrested; notably, only a few peripheral lymph node cells rolled and firmly adhered. Abs anti-P-selectin glycoprotein ligand-1 and anti-E- and P-selectin blocked tethering and rolling of autoreactive lymphocytes, suggesting that P-selectin glycoprotein ligand-1/endothelial selectins are critical in the recruitment of lymphocytes in inflamed brain venules. E- and P-selectin were expressed on cerebral vessels upon in vivo activation and had a patchy distribution during the preclinical phase of active and passive experimental autoimmune encephalomyelitis. LFA-1/ICAM-1 and α4 integrins/VCAM-1 supported rolling, but were not relevant to rolling velocity. Firm arrest was mainly mediated by LFA-1 and ICAM-1. Pretreatment of autoreactive lymphocytes with pertussis toxin blocked integrin-dependent arrest, implicating a requirement for Gi protein-dependent signaling in vessels from nonlymphoid districts. In conclusion, our data unveils the molecular mechanisms controlling the recruitment of autoreactive lymphocytes in inflamed cerebral vessels and suggest new insights into the pathogenesis of autoimmune inflammatory diseases of the CNS.

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Crossref · 10.4049/jimmunol.168.4.1940

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Metadata

Authors
Piccio, L., Rossi, B., Scarpini, E., Laudanna, C., Giagulli, C., Issekutz, A. C., Vestweber, D., Butcher, E. C., & Constantin, G.
Affiliations
  • University of Verona (IT)
  • Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico (IT)
  • Dalhousie University (CA)
  • University of Münster (DE)
  • Stanford University (US)
Venue
The Journal of Immunology
Published
2002-02
Volume
168
Issue
4
Pages
1940-1949
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W1960336193
Cited by
245
References
56
Citations by year
2026: 4 · 2025: 2 · 2024: 5 · 2023: 7 · 2022: 9 · 2021: 4 · 2020: 4 · 2019: 5 · 2018: 2 · 2017: 7 · 2016: 7 · 2015: 12 · 2014: 11 · 2013: 8 · 2012: 16
FWCI
9.00
Type
journal article
Language
en
Open access
Locations
  • The Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • Max Planck Institute for Plasma Physics (submittedVersion)
  • INFM-OAR (INFN Catania) (submittedVersion, other-oa)
Funders
  • Fondazione Italiana Sclerosi Multipla
  • Deutsche Forschungsgemeinschaft
  • Consiglio Nazionale delle Ricerche
Topics
  • Health Sciences › Medicine › Immunology and Allergy › Cell Adhesion Molecules Research
  • Health Sciences › Medicine › Clinical Neurology › Multiple Sclerosis Research Studies
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
lymphocyte recruitment, PSGL-1, E-selectin, P-selectin, endothelial activation, multiple sclerosis, experimental autoimmune encephalomyelitis, autoreactive T cells, heterotrimeric G protein signaling, pertussis toxin, intravital microscopy, TNF-α, LPS, lymphocyte-endothelial interactions
MeSH terms
Animals, Autoantigens, Brain, Cell Movement, Cerebrovascular Circulation, Encephalomyelitis, Autoimmune, Experimental, Endothelium, Vascular, Female, Hemodynamics, Membrane Glycoproteins, Microcirculation, Microscopy, Fluorescence, Receptors, Cell Surface, T-Lymphocytes, Venules, Cell Adhesion Molecules, Integrins, Models, Immunological, Selectins, GTP-Binding Protein alpha Subunits, Gi-Go, Mice

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