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Archives of Clinical Psychiatry (São Paulo)

versão impressa ISSN 0101-6083versão On-line ISSN 1806-938X

Resumo

DIAS, Fernando Machado Vilhena; KUMMER, Arthur; HOUNIE, Ana Gabriela  e  TEIXEIRA, Antônio Lúcio. Neurobiology of Tourette's syndrome: the autoimmune post-streptococcal hypothesis. Rev. psiquiatr. clín. [online]. 2008, vol.35, n.6, pp.228-235. ISSN 1806-938X.  https://doi.org/10.1590/S0101-60832008000600004.

BACKGROUND: Tourette's syndrome (TS) is characterized by the presence of motor tics and at least one phonic tic. Some clinical similarities with Sydenham's chorea (SC) lead to the hypothesis of a new group of disorders associated with an autoimmune process due to a streptococcal infection (PANDAS). Objective: To review the literature in search of evidence on the existence of post-streptococcal autoimmune mechanisms involved with the etiopathogenesis of TS. METHODS: A systematic review with the terms "Tourette", "tic", "PANDAS", "antibodies", "streptococcal" and "rheumatic" was carried on using the MedLine. RESULTS: The search found 238 articles. Fifty and three articles were selected which also had their references reviewed. The results of studies that investigated autoimmune aspects of TS, including anti-streptococcal and anti-basal ganglia anti-bodies, and immune-based therapy, were presented and discussed. DISCUSSION: The evidences to date are not satisfactory regarding a post-streptococcal auto-immune process in ST. The improvement on investigative methods and sample selection might contribute to this question.

Palavras-chave : Tourette's syndrome; Sydenham's chorea; streptococcal infection; autoimmune; PANDAS; rheumatic fever; tics.

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