PMID: 8982119Dec 1, 1996Paper

Tumor necrosis factor-alpha, lymphotoxin, interleukin (IL)-6, IL-10, IL-12 and perforin mRNA expression in mononuclear cells in response to acetylcholine receptor is augmented in myasthenia gravis

Journal of Neuroimmunology
D MatuseviciusH Link

Abstract

Myasthenia gravis (MG) is a neuromuscular disorder mediated by autoantibodies against the nicotinic acetylcholine receptor (AChR) on the postsynaptic membrane of the neuromuscular junction. The production of antibodies is regulated by T cells by means of immunoregulatory cytokines. To investigate the involvement of TNF-alpha, lymphotoxin (LT), IL-6, IL-10, IL-12 and perforin in MG, numbers of cytokine mRNA expressing blood mononuclear cells (MNC) were examined in patients with MG and controls. LT belongs to the Th1 cell related cytokines, IL-6 and IL-10 to the Th2 type, TNF-alpha is produced by both Th1 and Th2 cells, IL-12 induces T cell switch towards the Th1 type and perforin is an effector molecule inducing cell lysis. Short term culture of MNC with AChR revealed augmented levels of AChR-reactive TNF-alpha, LT, IL-6, IL-10, IL-12 and perforin mRNA expressing cells in MG compared to levels obtained without AChR or in presence of control antigen. AChR-reactive TNF-alpha, IL-6, IL-10, IL-12 and perforin mRNA expressing cells were higher in MG than controls. These findings suggest that the cytokines TNF-alpha, LT, IL-6, IL-10 and IL-12, and the cytolytic effector molecule perforin are also involved in MG.

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Citations

Aug 4, 1998·Journal of Neuroimmunology·P HjelmströmC B Sanjeevi
Jan 24, 2002·Lung Cancer : Journal of the International Association for the Study of Lung Cancer·Eiji TakeuchiSaburo Sone
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