CCL2 and CCL5 mediate leukocyte adhesion in experimental autoimmune encephalomyelitis--an intravital microscopy study.

Authors: Dos Santos, AC  Barsante, MM  Arantes, RM  Bernard, CC  Teixeira, MM  Carvalho-Tavares, J 
Citation: dos Santos AC, etal., J Neuroimmunol. 2005 May;162(1-2):122-9.
Pubmed: (View Article at PubMed) PMID:15833367
DOI: Full-text: DOI:10.1016/j.jneuroim.2005.01.020

Experimental autoimmune encephalomyelitis (EAE) models multiple sclerosis (MS) and is characterized by marked mononuclear cell influx in the brain. Several studies have demonstrated a role for chemokines during EAE. It remains to be determined whether these mediators modulate EAE primarily by mediating leukocyte influx into the CNS or by modifying lymphocyte activation and/or trafficking into lymphoid organs. After induction of EAE with MOG(35-55), leukocyte recruitment peaked on day 14 and correlated with symptom onset, TNF-alpha production and production of CCL2 and CCL5. Levels of CXCL-10 and CCL3 were not different from control animals. Using intravital microscopy, we demonstrated that leukocyte rolling and adhesion also peaked at day 14. Treatment with anti-CCL2 or anti-CCL5 antibodies just prior to the intravital microscopy prevented leukocyte adhesion, but not rolling. Our data suggest that induction of leukocyte adhesion to the brain microvasculature is an important mechanism by which CCL2 and CCL5 participate in the pathophysiology of EAE.

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CRRD Object Information
CRRD ID: 4890027
Created: 2010-12-14
Species: All species
Last Modified: 2010-12-14
Status: ACTIVE



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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.