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Tumor necrosis factor-α in Guillain-Barré syndrome, friend or foe?
Ying Wang1, Jingdian Zhang1, Peijuan Luo2
1a Neuroscience Center, Department of Neurology , the First Hospital of Jilin University , Changchun , China.
Introduction:
Guillain-Barré syndrome (GBS) is an immune-mediated disorder in the peripheral nervous system (PNS), and experimental autoimmune neuritis (EAN) serves as an animal model of GBS. TNF-α plays an important role in the pathogenesis of GBS and is a potential therapeutic target of GBS. Areas covered: 'TNF-α' and 'Guillain-Barré syndrome' were the keywords used to search for related publications on Pubmed. By binding to different TNF receptors, TNF-α bears distinct immune properties. TNF-α gene polymorphisms are associated with the features of GBS. The major role of TNF-α in GBS/EAN is to aggravate inflammation; however, data from several studies indicated a protective role of TNF-α. Multiple lines of evidence point to TNF-α as a potential therapeutic target for GBS. However, such clinical trials are scarce in that GBS per se is a probable side effect of anti-TNF-α treatment. Expert opinion: TNF-α plays a dual role in GBS and EAN, and is a potential therapeutic target on GBS/EAN.
