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More MS news articles for April 2003

Correlation of Immune Responses Mediated by T Helper 1 and 2 in Children with Viral Encephalitises

http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12687237&dopt=Abstract

Russ J Immunol 2001 Dec;6(4):383-392
Vorobyeva NL, Gervazieva VB.
Mechnikov Research Institute for Vaccines and Sera, Moscow, Russia.

This work deals with the problem concerning the mechanisms of triggering the demyelinating process by viruses as the consequence of molecular mimicry between viral antigens and the immunodominant region of the myelin basic protein with the subsequent involvement of reactions, mediated by T helper cells 1 and 2.

Special emphasis is made on the new data indicating that reagin mechanisms play an active role in the development of neuropathology, corresponding to the results obtained by the authors in the study of humoral response in multiple sclerosis patients.

Thus, the presence of pronounced total and specific IgE response was established to myelin basic protein, correlating with more severe clinical manifestations of the disease.

Taking into account the viral nature of the demyelinization, the authors studied a number of humoral characteristics of immune response, indicating the degree of the involvement of T helper cells 1 and 2 into the pathogenesis of acute viral encephalitises.

The determination of these characteristics was carried out with the use of original methods developed by the authors.

The analysis of the results obtained in this study revealed the obvious presence of relationship between the involvement of autoimmune and atopic response in children with acute viral encephalitises and the manifestation of molecular mimicry of corresponding viruses with the immunodominant region of myelin basic protein.

The most prognostically unfavorable group was the group of children having rubella, adenovirus and herpetic encephalitises.