Dairy Intake and Parkinson's Disease: A Mendelian Randomization Study

Domenighetti, Cloe; Sugier, Pierre-Emmanuel; Sreelatha, Ashwin Ashok Kumar; Schulte, Claudia; Grover, Sandeep; Mohamed, Oceane; Portugal, Berta; May, Patrick; Bobbili, Dheeraj R.; Radivojkov-Blagojevic, Milena; Lichtner, Peter; Singleton, Andrew B.; Hernandez, Dena G.; Edsall, Connor; Mellick, George D.; Zimprich, Alexander; Pirker, Walter; Rogaeva, Ekaterina; Lang, Anthony E.; Koks, Sulev; Taba, Pille; Lesage, Suzanne; Brice, Alexis; Corvol, Jean-Christophe; Chartier-Harlin, Marie-Christine; Mutez, Eugenie; Brockmann, Kathrin; Deutschlaender, Angela B.; Hadjigeorgiou, Georges M.; Dardiotis, Efthimos; Stefanis, Leonidas; Simitsi, Athina Maria; Valente, Enza Maria; Petrucci, Simona; Duga, Stefano; Straniero, Letizia; Zecchinelli, Anna; Pezzoli, Gianni; Brighina, Laura; Ferrarese, Carlo; Annesi, Grazia; Quattrone, Andrea; Gagliardi, Monica; Matsuo, Hirotaka; Kawamura, Yusuke; Hattori, Nobutaka; Nishioka, Kenya; Chung, Sun Ju; Kim, Yun Joong; Kolber, Pierre; Warrenburg, Bart P. C. van de; Bloem, Bastiaan R.; Aasly, Jan; Toft, Mathias; Pihlstrom, Lasse; Guedes, Leonor Correia; Ferreira, Joaquim J.; Bardien, Soraya; Carr, Jonathan; Tolosa, Eduardo; Ezquerra, Mario; Pastor, Pau; Diez-Fairen, Monica; Wirdefeldt, Karin; Pedersen, Nancy L.; Ran, Caroline; Belin, Andrea C.; Puschmann, Andreas; Hellberg, Clara; Clarke, Carl E.; Morrison, Karen E.; Tan, Manuela; Krainc, Dimitri; Burbulla, Lena F.; Farrer, Matt J.; Krüger, Rejko; Gasser, Thomas; Sharma, Manu und Elbaz, Alexis (2022): Dairy Intake and Parkinson's Disease: A Mendelian Randomization Study. In: Movement Disorders, Bd. 37, Nr. 4: S. 857-864

Abstract

Background Previous prospective studies highlighted dairy intake as a risk factor for Parkinson's disease (PD), particularly in men. It is unclear whether this association is causal or explained by reverse causation or confounding. Objective The aim is to examine the association between genetically predicted dairy intake and PD using two-sample Mendelian randomization (MR). Methods We genotyped a well-established instrumental variable for dairy intake located in the lactase gene (rs4988235) within the Courage-PD consortium (23 studies;9823 patients and 8376 controls of European ancestry). Results Based on a dominant model, there was an association between genetic predisposition toward higher dairy intake and PD (odds ratio [OR] per one serving per day = 1.70, 95% confidence interval = 1.12-2.60, P = 0.013) that was restricted to men (OR = 2.50 [1.37-4.56], P = 0.003;P-difference with women = 0.029). Conclusions Using MR, our findings provide further support for a causal relationship between dairy intake and higher PD risk, not biased by confounding or reverse causation. Further studies are needed to elucidate the underlying mechanisms. (c) 2022 International Parkinson and Movement Disorder Society

• Dokumententyp: Zeitschriftenartikel
• Fakultät: Medizin ; Medizin > Munich Cluster for Systems Neurology (SyNergy)
• Themengebiete: 600 Technik, Medizin, angewandte Wissenschaften > 610 Medizin und Gesundheit
• ISSN: 0885-3185
• Sprache: Englisch
• DFG: Gefördert durch die Deutsche Forschungsgemeinschaft (DFG) - 390857198