Abstract Title:

Dysbiosis in Parkinson's disease might be triggered by certain antibiotics.

Abstract Source:

Med Hypotheses. 2020 Jan 9 ;137:109564. Epub 2020 Jan 9. PMID: 31954994

Abstract Author(s):

Gábor Ternák, Dániel Kuti, Krisztina J Kovács

Article Affiliation:

Gábor Ternák


Parkinson's disease (PD) is a neurodegenerative amyloid disorder with debilitating motor symptoms due to the loss of dopamine-synthesizing, basal ganglia-projecting neurons in the substantia nigra. An interesting feature of the disease is that most of PD patients have gastrointestinal problems and bacterial dysbiosis, years before the full expression of motor symptoms. We hypothesized that antibiotic consumption might be a contributing factor of gut microbiome dysbiosis in PD, favoring curli-producing Enterobacteria. Curli is a bacterialα-synuclein (αSyn) which is deposited first in the enteric nervous system and amyloid deposits are propagated in a prion like manner to the central nervous system. In addition, antibiotics result in a low-grade systemic inflammation, which also contributes to damage of neurons in enteric- and central nervous system. To support our hypothesis, by comparing PD prevalence change with antibiotic consumption data in EU countries, we found significant positive correlation between use narrow spectrum penicillin + penicillinase resistant penicillin and increased prevalence of the disease.

Study Type : Human Study

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