LRRK2 p.Gly2019Ser Onset'te Yaş Çevresel ve Yaşam Tarzı Faktörleriyle İlişkilidir.

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ObjectivesThe effect of environmental and lifestyle factors on patients with LRRK2 (leucine-rich repeat kinase 2) p.Gly2019Ser (LRRK2+ /PD+ ) compared to idiopathic PD (iPD) has yet to be thoroughly investigated.MethodsIn a homogeneous Tunisian Arab Berber population, we recruited 200 idiopathic PD and 199 LRRK2 p.Gly2019Ser mutation carriers, of whom 142 had PD (LRRK2+ /PD+ ) and 57 were unaffected (LRRK2+ /PD- ). Case report form (CRF) questionnaires (motor and non-motor symptoms) including the Geoparkinson Questionnaire were used to assess environmental and lifestyle factors.ResultsIn LRRK2+ /PD+ , tobacco use was significantly associated with a later median age at onset (AAO). The median AAO was 60 years (interquartile range = 52-67.25) for tobacco users, compared to 52 years (interquartile range = 45.25-61) for non-users (P = 0.0042 at adjusted α = 0.025). Additionally, we observed an independent but additive effect of black tea consumption and tobacco use.ConclusionsOur data suggest that tobacco and black tea have a protective effect on age at onset in LRRK2+ /PD+ . © 2020 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.

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