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|Title:||Treatment with Anti-Granulocyte Antobodies Inhibits the Effector Phase of Experimental Autoimmune Envephalomyelitis|
|Citation:||Journal of Immunology, 1998; 161(11):6421-6426|
|Publisher:||AMER ASSOC IMMUNOLOGISTS|
|Abstract:||Emerging data suggest that polymorphonuclear leukocytes (PMNLs) can play an important role in Ag-dependent immune responses. Therefore, we have assessed the involvement of these cells in the development of an organ-specific autoimmune disease, experimental autoimmune encephalomyelitis (EAE), in the mouse. Depletion of peripheral blood PMNLs beginning day 8 after immunization significantly delayed and in some cases totally prevented the development of clinical EAE in mice. Depletion of PMNLs beginning 1 day before sensitization and continuing until day 7 postimmunization had no effect on the subsequent development of EAE, suggesting that depletion alters the efferent but not the afferent arm of the immune response. In vitro studies showed that lymphoid cells from mice protected from EAE by PMNL depletion beginning on day 8 postsensitization proliferated in response to specific Ag to a level equal to cells from sensitized animals treated with control serum, again indicating that treatment was not affecting the afferent limb of the immune response. Further evidence that PMNL may be necessary in initiating the pathology of EAE was seen in passive transfer experiments where PMNL-depleted recipients of MBP-specific lymphoid effector cells developed EAE much less effectively than did animals treated with control Ab. Taken together, these data indicate that PMNLs play a critical role in the effector phase of the development of the clinicopathologic expression of EAE in mice.|
|Keywords:||Spinal Cord; Neutrophils; Leukocytes, Mononuclear; Animals; Mice, Inbred Strains; Mice; Encephalomyelitis, Autoimmune, Experimental; Leukopenia; Disease Models, Animal; Autoantibodies; Cell Movement; Female|
|Appears in Collections:||Microbiology and Immunology publications|
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