Guillain-Barré syndrome (GBS) is an autoimmune disorder of the peripheral nervous system characterized by weakness in the limbs. To date, numerous hypotheses have been suggested to explain the pathogenesis of GBS; however, the pathogenesis of GBS remains to be elucidated. The
aim of the present study was to investigate the association between Tolllike receptor (TLR) 2, TLR4 and GBS. Therefore, the mRNA of TLR2, TLR4, myeloid differentiation factor (MyD)88 and nuclear factor (NF)κB of peripheral blood mononuclear cells (PBMCs) in patients with GBS and
healthy controls was assessed. To confirm the function of TLR2 and TLR4 in the pathogenesis of GBS, PBMCs derived from patients with GBS and healthy controls were cultured with various TLR agonists. The levels of tumor necrosis factor (TNF)α and interleukin (IL)1β were measured
in the culture supernatant and fasting serum was obtained for the detection of antiganglioside antibodies. The results revealed that the mRNA levels of TLR2, TLR4, MyD88 and NFκB were significantly increased in patients with GBS compared with those in healthy controls (P=0.003, 0.017,
0.032 and 0.015, respectively). PBMCs from patients with GBS secreted higher levels of TNFα and IL1β than those from control subjects. The positive rate of immunoglobulin (Ig)G and IgM antiganglioside antibodies in patients with severe GBS was 42.86%, which was markedly higher than
rates found in patients with mild GBS (9.09 and 18.18%, respectively). The results of the present study demonstrated that TLR2 and TLR4 are involved in the pathogenesis of GBS and that they and their associated signaling pathways may be targets for the treatment of GBS.
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Document Type: Research Article
Laboratory Diagnosis Center, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, P.R. China
China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, P.R. China
Publication date: August 1, 2015
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Molecular Medicine Reports is a monthly, peer-reviewed journal available in print and online, that includes studies devoted to molecular medicine, underscoring aspects including pharmacology, pathology, genetics, neurosciences, infectious diseases, molecular cardiology and molecular surgery. In vitro and in vivo studies of experimental model systems pertaining to the mechanisms of a variety of diseases offer researchers the necessary tools and knowledge with which to aid the diagnosis and treatment of human diseases.
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