Background: Strong evidence supports the involvement of inflammation processes in the development and progression of Parkinson's disease (PD), where increasingly correlations have been identified between genetic variations in inflammation-related genes and PD. However, data varies between studies. Therefore, we conducted a meta-analysis to clarify associations between inflammation-related gene polymorphisms and PD risk. Methods: All studies were identified through online databases. Pooled and stratified groups based on racial descent were assembled to evaluate associations between polymorphisms and PD. Results: The pooled results showed that protective effects for PD were observed for (1)
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