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© Research
Publication : Neurobiology of disease

Targeting the tetraspanin CD81 blocks monocyte transmigration and ameliorates EAE

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Neurobiology of disease - 05 Jun 2008

Dijkstra S, Kooij G, Verbeek R, van der Pol SM, Amor S, Geisert EE, Dijkstra CD, van Noort JM, Vries HE

Link to Pubmed [PMID] – 18586096

Neurobiol. Dis. 2008 Sep;31(3):413-21

Leukocyte infiltration is a key step in the development of demyelinating lesions in multiple sclerosis (MS), and molecules mediating leukocyte-endothelial interactions represent prime candidates for the development of therapeutic strategies. Here we studied the effects of blocking the integrin-associated tetraspanin CD81 in in vitro and in vivo models for MS. In an in vitro setting mAb against CD81 significantly reduced monocyte transmigration across brain endothelial cell monolayers, both in rodent and human models. Interestingly, leukocyte as well as endothelial CD81 was involved in this inhibitory effect. To assess their therapeutic potential, CD81 mAb were administered to mice suffering from experimental autoimmune encephalomyelitis (EAE). We found that Eat2, but not 2F7 mAb directed against mouse CD81 significantly reduced the development of neurological symptoms of EAE when using a preventive approach. Concomitantly, Eat2 treated animals showed reduced inflammation in the spinal cord. We conclude that CD81 represents a potential therapeutic target to interfere with leukocyte infiltration and ameliorate inflammatory neurological damage in MS.

https://www.ncbi.nlm.nih.gov/pubmed/18586096