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Arq. neuropsiquiatr ; 76(2): 67-70, Feb. 2018. graf
Article in English | LILACS | ID: biblio-888349

ABSTRACT

ABSTRACT Current understanding of the pathophysiology of Parkinson's disease suggests a key role of the accumulation of alpha-synuclein in the pathogenesis. This critical review highlights major landmarks, hypotheses and controversies about the origin and progression of synucleinopathy in Parkinson's disease, leading to an updated review of evidence suggesting the enteric nervous system might be the starting point for the whole process. Although accumulating and compelling evidence favors this theory, the remaining knowledge gaps are important points for future studies.


RESUMO O atual entendimento sobre a fisiopatologia da doença de Parkinson (DP) sugere um papel central do acúmulo de alfa-sinucleína na patogenia da DP Esta revisão crítica revisita marcos, teorias e controvérsias a respeito da origem e progressão da sinucleinopatia, apresentando uma atualização das principais evidências sugerindo que o sistema nervoso entérico seria o local inicial deste processo. Apesar das evidências a favor desta teoria serem crescentes e instigantes, as lacunas de conhecimento a este respeito são importantes pontos para estudos futuros.


Subject(s)
Humans , Parkinson Disease/etiology , Parkinson Disease/metabolism , Parkinson Disease/pathology , Enteric Nervous System/metabolism , alpha-Synuclein/metabolism , Brain/metabolism , Enteric Nervous System/pathology , Disease Progression
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