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9. Evaluating the validity and reliability of the Korean version of Scales for Outcomes in Parkinson’s Disease–Cognition

Author

Park, Jinse, primary, Oh, Eung Seok, additional, Koh, Seong-Beom, additional, Song, In-Uk, additional, Ahn, Tae-Beom, additional, Kim, Sang Jin, additional, Cheon, Sang-Myung, additional, Kim, Yun Joong, additional, Cho, Jin Whan, additional, Ma, Hyeo-Il, additional, Park, Mee-Young, additional, Baik, Jong Sam, additional, Lee, Phil Hyu, additional, Chung, Sun Ju, additional, Kim, Jong-Min, additional, Kim, Han-Joon, additional, Sung, Young-Hee, additional, Kwon, Do Young, additional, Lee, Jae-Hyeok, additional, Lee, Jee-Young, additional, Kim, Ji Sun, additional, Yun, Ji Young, additional, Kim, Hee Jin, additional, Hong, Jin Young, additional, Kim, Mi-Jung, additional, Youn, Jinyoung, additional, Kim, Ji Seon, additional, Yang, Hui-Jun, additional, Yoon, Won Tae, additional, You, Sooyeoun, additional, Kwon, Kyum-Yil, additional, Lee, Su-Yun, additional, Kim, Younsoo, additional, Kim, Hee-Tae, additional, Kim, Joong-Seok, additional, and Kim, Ji-Young, additional

Published
2024
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10. A prospective multi-centre study of susceptibility map-weighted MRI for the diagnosis of neurodegenerative parkinsonism

Author

Sung, Young Hee, Kim, Joong-Seok, Yoo, Sang-Won, Shin, Na-Young, Nam, Yoonho, Ahn, Tae-Beom, Yoo, Dallah, Lee, Kyung Mi, Kim, Hyug-Gi, Koh, Seong-Beom, Kim, Jinhee, Kim, Ilsoo, Kwon, Do-Young, Lee, Younghen, Kim, Chulhan, Chung, Sun Ju, Jo, Sungyang, Lee, Seung Hyun, Kim, Sang Joon, Kim, Minjae, Lyoo, Chul Hyoung, Baek, Min Seok, Kang, Suk Yun, Chang, Suk Ki, Jo, Sang-Won, Lee, Seun Ah, Ma, Hyeo-il, Kim, Young Eun, Kim, Eun Soo, Kim, Yun Joong, Kim, Hyun Sook, Woo, Min-Hee, Choi, Hye Jeong, and Kim, Eung Yeop

Published
2022
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20. Hippocampal Perfusion Affects Motor and Cognitive Functions in Parkinson Disease: An Early Phase 18F‐FP‐CIT Positron Emission Tomography Study.

Author

Chun, Min Young, Chung, Seok Jong, Kim, Su Hong, Park, Chan Wook, Jeong, Seong Ho, Lee, Hye Sun, Lee, Phil Hyu, Sohn, Young H., Jeong, Yong, and Kim, Yun Joong

Subjects
POSITRON emission tomography, SOMATIZATION disorder, PARKINSON'S disease, HIPPOCAMPUS (Brain), COGNITIVE ability, PERFUSION
Abstract

Objective: We investigated whether hippocampal perfusion changes are associated with cognitive decline, motor deficits, and the risk of dementia conversion in patients with Parkinson disease (PD). Methods: We recruited patients with newly diagnosed and nonmedicated PD and healthy participants who underwent dual phase 18F‐N‐(3‐fluoropropyl)‐2β‐carboxymethoxy‐3β‐(4‐iodophenyl) nortropane positron emission tomography scans. Patients were classified into 3 groups according to hippocampal perfusion measured by standard uptake value ratios (SUVRs): (1) PD hippocampal hypoperfusion group (1 standard deviation [SD] below the mean hippocampal SUVR of healthy controls; PD‐hippo‐hypo), (2) PD hippocampal hyperperfusion group (1 SD above the mean; PD‐hippo‐hyper), and (3) the remaining patients (PD‐hippo‐normal). We compared the baseline cognitive performance, severity of motor deficits, hippocampal volume, striatal dopamine transporter (DAT) availability, and risk of dementia conversion among the groups. Results: We included 235 patients (PD‐hippo‐hypo, n = 21; PD‐hippo‐normal, n = 157; PD‐hippo‐hyper, n = 57) and 48 healthy participants. Patients in the PD‐hippo‐hypo group were older and had smaller hippocampal volumes than those in the other PD groups. The PD‐hippo‐hypo group showed less severely decreased DAT availability in the putamen than the other groups despite similar severities of motor deficit. The PD‐hippo‐hypo group had a higher risk of dementia conversion compared to the PD‐hippo‐normal (hazard ratio = 2.59, p = 0.013) and PD‐hippo‐hyper (hazard ratio = 3.73, p = 0.006) groups, despite similar cognitive performance at initial assessment between groups. Interpretation: Hippocampal hypoperfusion may indicate a reduced capacity to cope with neurodegenerative processes in terms of the development of motor deficits and cognitive decline in patients with PD. ANN NEUROL 2024;95:388–399 [ABSTRACT FROM AUTHOR]

Published
2024
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21. Is the cingulate island sign a marker for early dementia conversion in Parkinson's disease?

Author

Chung, Seok Jong, Kim, Su Hong, Park, Chan Wook, Lee, Hye Sun, Kim, Yun Joong, Lee, Phil Hyu, Jeong, Yong, and Sohn, Young H.

Subjects
PARKINSON'S disease, CINGULATE cortex, POSITRON emission tomography, DEMENTIA, DISEASE risk factors
Abstract

Background: To investigate whether the cingulate island sign (CIS) ratio (i.e., the ratio of regional uptake in the posterior cingulate cortex relative to the precuneus and cuneus on cerebral perfusion scans) is associated with early dementia conversion in Parkinson's disease (PD). Methods: We enrolled 226 patients with newly diagnosed PD and 48 healthy controls who underwent dual‐phase 18F‐FP‐CIT PET scans. Patients with PD were classified into three groups according to the CIS ratio on early‐phase 18F‐FP‐CIT PET images: a PD group with CIS or high CIS ratios (PD‐CIS; n = 96), a PD group with inverse CIS or low CIS ratios (PD‐iCIS; n = 40), and a PD group consisting of the remaining patients with normal CIS ratios (PD‐nCIS; n = 90). We compared the risk of dementia conversion within a 5‐year time point between the groups. Results: There were no significant differences in age, sex, education, or baseline cognitive function between the PD groups. The PD‐CIS group had higher Unified Parkinson's Disease Rating Scale (UPDRS) motor scores and more severely decreased dopamine transporter availability in the putamen. The PD‐iCIS group had a smaller hippocampal volume compared with the other groups. The risk of dementia conversion in the PD‐CIS group did not differ from that in the PD‐iCIS and PD‐nCIS groups. Meanwhile, the PD‐iCIS group had a higher risk of dementia conversion than the PD‐nCIS group. Conclusion: The results of this study suggest that inverse CIS, rather than CIS, is relevant to early dementia conversion in patients with PD. [ABSTRACT FROM AUTHOR]

Published
2023
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23. Investigation of Shared Genetic Risk Factors Between Parkinson's Disease and Cancers

Author

Sugier, Pierre-Emmanuel, Lucotte, Elise A., Domenighetti, Cloé, Law, Matthew H., Iles, Mark M., Brown, Kevin, Amos, Christopher, McKay, James D., Hung, Rayjean J., Karimi, Mojgan, Bacq-Daian, Delphine, Boland-Augé, Anne, Olaso, Robert, Deleuze, Jean-François, Lesueur, Fabienne, Ostroumova, Evgenia, Kesminiene, Ausrele, de Vathaire, Florent, Guénel, Pascal, consortium, The Epithyr, Sreelatha, Ashwin Ashok Kumar, Schulte, Claudia, Grover, Sandeep, May, Patrick, Bobbili, Dheeraj Reddy, 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, Eugénie, Brockmann, Kathrin, Deutschländer, Angela B., Hadjigeorgiou, Georges M., Dardiotis, Efthimios, Stefanis, Leonidas, Simitsi, Athina Maria, Valente, Enza Maria, Petrucci, Simona, Straniero, Letizia, Zecchinelli, Anna, Pezzoli, Gianni, Brighina, Laura, Ferrarese, Carlo, Annesi, Grazia, Quattrone, Andrea, Gagliardi, Monica, Matsuo, Hirotaka, Nakayama, Akiyoshi, Hattori, Nobutaka, Nishioka, Kenya, Chung, Sun Ju, Kim, Yun Joong, Kolber, Pierre, van de Warrenburg, Bart P. C., Bloem, Bastiaan R., Aasly, Jan, Toft, Mathias, Pihlstrøm, Lasse, Guedes, Leonor Correia, Ferreira, Joaquim J., Bardien, Soraya, Carr, Jonathan, Tolosa, Eduardo, Ezquerra, Mario, Pastor, Pau, Diez-Fairen, Monica, Wirdefeldt, Karin, Pedersen, Nancy, Ran, Caroline, Belin, Andrea C., Puschmann, Andreas, Rödström, Emil Ygland, Clarke, Carl E., Morrison, Karen E., Tan, Manuela, Krainc, Dimitri, Burbulla, Lena F., Farrer, Matt J., Krüger, Rejko, Gasser, Thomas, Sharma, Manu, Landoulsi, Zied, consortium, Courage-PD, Truong, Thérèse, Elbaz, Ales, JPND Courage-PD [sponsor], Luxembourg Centre for Systems Biomedicine (LCSB): Bioinformatics Core (R. Schneider Group) [research center], and Luxembourg Centre for Systems Biomedicine (LCSB): Clinical & Experimental Neuroscience (Krüger Group) [research center]

Subjects
Male, Lung Neoplasms, Parkinson's disease, Neurology [D14] [Human health sciences], RESEARCH ARTICLES, RESEARCH ARTICLE, SDG 3 - Good Health and Well-being, genetics [Parkinson Disease], Risk Factors, pleiotropy, Humans, cancer, ddc:610, genetics [Genetic Predisposition to Disease], Ovarian Neoplasms, Neurologie [D14] [Sciences de la santé humaine], Prostatic Neoplasms, Disorders of movement Donders Center for Medical Neuroscience [Radboudumc 3], genetic correlation, parkinson's disease, polygenic risk score, epidemiology [Melanoma], Neurology, genetics [Melanoma], genetics [Polymorphism, Single Nucleotide], Female, epidemiology [Parkinson Disease], Genetics & genetic processes [F10] [Life sciences], Neurology (clinical), Génétique & processus génétiques [F10] [Sciences du vivant], Genome-Wide Association Study
Abstract

BackgroundEpidemiological studies that examined the association between Parkinson's disease (PD) and cancers led to inconsistent results, but they face a number of methodological difficulties.ObjectiveWe used results from genome-wide association studies (GWASs) to study the genetic correlation between PD and different cancers to identify common genetic risk factors.MethodsWe used individual data for participants of European ancestry from the Courage-PD (Comprehensive Unbiased Risk Factor Assessment for Genetics and Environment in Parkinson's Disease; PD, N = 16,519) and EPITHYR (differentiated thyroid cancer, N = 3527) consortia and summary statistics of GWASs from iPDGC (International Parkinson Disease Genomics Consortium; PD, N = 482,730), Melanoma Meta-Analysis Consortium (MMAC), Breast Cancer Association Consortium (breast cancer), the Prostate Cancer Association Group to Investigate Cancer Associated Alterations in the Genome (prostate cancer), International Lung Cancer Consortium (lung cancer), and Ovarian Cancer Association Consortium (ovarian cancer) (N comprised between 36,017 and 228,951 for cancer GWASs). We estimated the genetic correlation between PD and cancers using linkage disequilibrium score regression. We studied the association between PD and polymorphisms associated with cancers, and vice versa, using cross-phenotypes polygenic risk score (PRS) analyses.ResultsWe confirmed a previously reported positive genetic correlation of PD with melanoma (Gcorr = 0.16 [0.04; 0.28]) and reported an additional significant positive correlation of PD with prostate cancer (Gcorr = 0.11 [0.03; 0.19]). There was a significant inverse association between the PRS for ovarian cancer and PD (odds ratio [OR] = 0.89 [0.84; 0.94]). Conversely, the PRS of PD was positively associated with breast cancer (OR = 1.08 [1.06; 1.10]) and inversely associated with ovarian cancer (OR = 0.95 [0.91; 0.99]). The association between PD and ovarian cancer was mostly driven by rs183211 located in an intron of the NSF gene (17q21.31).ConclusionsWe show evidence in favor of a contribution of pleiotropic genes to the association between PD and specific cancers. © 2023 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society. This article has been contributed to by U.S. Government employees and their work is in the public domain in the USA.

Published
2023

24. A Portable and User Friendly REM Sleep Detection System Based on Differential Movement of Eyeball Using Optical Sensors

Author

Hwang, Chi Yeon, do Park, Geun, Jeong, Hyang Jun, Park, In Gyu, Kim, Yun Joong, Ma, Hyeo-Il, Lee, Unjoo, Diniz Junqueira Barbosa, Simone, Series editor, Chen, Phoebe, Series editor, Du, Xiaoyong, Series editor, Filipe, Joaquim, Series editor, Kara, Orhun, Series editor, Kotenko, Igor, Series editor, Liu, Ting, Series editor, Sivalingam, Krishna M., Series editor, Washio, Takashi, Series editor, and Stephanidis, Constantine, editor

Published
2017
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25. Embracing Monogenic Parkinson's Disease: The MJFF Global Genetic PD Cohort

Author

Vollstedt, Eva-Juliane, Schaake, Susen, Lohmann, Katja, Padmanabhan, Shalini, Brice, Alexis, Lesage, Suzanne, Tesson, Christelle, Vidailhet, Marie, Wurster, Isabel, Hentati, Faycel, Mirelman, Anat, Giladi, Nir, Marder, Karen, Waters, Cheryl, Fahn, Stanley, Kasten, Meike, Brüggemann, Norbert, Borsche, Max, Foroud, Tatiana, Tolosa, Eduardo, Garrido, Alicia, Annesi, Grazia, Gagliardi, Monica, Bozi, Maria, Stefanis, Leonidas, Ferreira, Joaquim J, Correia Guedes, Leonor, Avenali, Micol, Petrucci, Simona, Clark, Lorraine, Fedotova, Ekaterina Y, Abramycheva, Natalya Y, Alvarez, Victoria, Menéndez-González, Manuel, Jesús Maestre, Silvia, Gómez-Garre, Pilar, Mir, Pablo, Belin, Andrea Carmine, Ran, Caroline, Lin, Chin-Hsien, Kuo, Ming-Che, Crosiers, David, Wszolek, Zbigniew K, Ross, Owen A, Jankovic, Joseph, Nishioka, Kenya, Funayama, Manabu, Clarimon, Jordi, Williams-Gray, Caroline H, Camacho, Marta, Cornejo-Olivas, Mario, Torres-Ramirez, Luis, Wu, Yih-Ru, Lee-Chen, Guey-Jen, Morgadinho, Ana, Pulkes, Teeratorn, Termsarasab, Pichet, Berg, Daniela, Kuhlenbäumer, Gregor, Kühn, Andrea A, Borngräber, Friederike, De Michele, Giuseppe, De Rosa, Anna, Zimprich, Alexander, Puschmann, Andreas, Mellick, George D, Dorszewska, Jolanta, Carr, Jonathan, Ferese, Rosangela, Gambardella, Stefano, Chase, Bruce, Markopoulou, Katerina, Satake, Wataru, Toda, Tatsushi, Rossi, Malco, Merello, Marcelo, Lynch, Timothy, Olszewska, Diana A, Lim, Shen-Yang, Ahmad-Annuar, Azlina, Tan, Ai Huey, Al-Mubarak, Bashayer, Hanagasi, Hasmet, Koziorowski, Dariusz, Ertan, Sibel, Genç, Gençer, De Carvalho Aguiar, Patricia, Barkhuizen, Melinda, Pimentel, Marcia MG, Saunders-Pullman, Rachel, Van De Warrenburg, Bart, Bressman, Susan, Toft, Mathias, Appel-Cresswell, Silke, Lang, Anthony E, Skorvanek, Matej, Boon, Agnita JW, Krüger, Rejko, Sammler, Esther M, Tumas, Vitor, Zhang, Bao-Rong, Garraux, Gaetan, Chung, Sun Ju, Kim, Yun Joong, Winkelmann, Juliane, Sue, Carolyn M, Tan, Eng-King, Damásio, Joana, Klivényi, Péter, Kostic, Vladimir S, Arkadir, David, Martikainen, Mika, Borges, Vanderci, Hertz, Jens Michael, Brighina, Laura, Spitz, Mariana, Suchowersky, Oksana, Riess, Olaf, Das, Parimal, Mollenhauer, Brit, Gatto, Emilia M, Petersen, Maria Skaalum, Hattori, Nobutaka, Wu, Ruey-Meei, Illarioshkin, Sergey N, Valente, Enza Maria, Aasly, Jan O, Aasly, Anna, Alcalay, Roy N, Thaler, Avner, Farrer, Matthew J, Brockmann, Kathrin, Corvol, Jean-Christophe, Klein, Christine, MJFF Global Genetic Parkinson's Disease Study Group, Vollstedt, Ej, Schaake, S, Lohmann, K, Padmanabhan, S, Brice, A, Lesage, S, Tesson, C, Vidailhet, M, Wurster, I, Hentati, F, Mirelman, A, Giladi, N, Marder, K, Waters, C, Fahn, S, Kasten, M, Brüggemann, N, Borsche, M, Foroud, T, Tolosa, E, Garrido, A, Annesi, G, Gagliardi, M, Bozi, M, Stefanis, L, Ferreira, Jj, Correia Guedes, L, Avenali, M, Petrucci, S, Clark, L, Fedotova, Ey, Abramycheva, Ny, Alvarez, V, Menéndez-González, M, Jesús Maestre, S, Gómez-Garre, P, Mir, P, Belin, Ac, Ran, C, Lin, Ch, Kuo, Mc, Crosiers, D, Wszolek, Zk, Ross, Oa, Jankovic, J, Nishioka, K, Funayama, M, Clarimon, J, Williams-Gray, Ch, Camacho, M, Cornejo-Olivas, M, Torres-Ramirez, L, Wu, Yr, Lee-Chen, Gj, Morgadinho, A, Pulkes, T, Termsarasab, P, Berg, D, Kuhlenbäumer, G, Kühn, Aa, Borngräber, F, de Michele, G, De Rosa, A, Zimprich, A, Puschmann, A, Mellick, Gd, Dorszewska, J, Carr, J, Ferese, R, Gambardella, S, Chase, B, Markopoulou, K, Satake, W, Toda, T, Rossi, M, Merello, M, Lynch, T, Olszewska, Da, Lim, Sy, Ahmad-Annuar, A, Tan, Ah, Al-Mubarak, B, Hanagasi, H, Koziorowski, D, Ertan, S, Genç, G, de Carvalho Aguiar, P, Barkhuizen, M, Pimentel, Mmg, Saunders-Pullman, R, van de Warrenburg, B, Bressman, S, Toft, M, Appel-Cresswell, S, Lang, Ae, Skorvanek, M, Boon, Ajw, Krüger, R, Sammler, Em, Tu, Repositório da Universidade de Lisboa, Clinical Genetics, Neurology, Internal Medicine, Aasly, Anna, Aasly, Jan O, Abramycheva, Natalya Y, Ahmad-Annuar, Azlina, Albanese, Alberto, Alcalay, Roy N, Aldakheel, Amaal, Alkhairallah, Thamer, Al-Mubarak, Bashayer, Al-Tassan, Nada, Alvarez, Victoria, Amami, Paolo, Annesi, Grazia, Appel-Cresswell, Silke, Leite, Marco Antonio Araujo, Arkadir, David, Avenali, Micol, Ferraz, Henrique Ballalai, Bardien, Soraya, Barkhuizen, Melinda, Barrett, Matthew J, Başak, A Nazlı, Berg, Daniela, Bilgic, Basar, Bloem, Bastiaan R, Bonifati, Vincenzo, Boon, Agnita J W, Borges, Vanderci, Borngräber, Friederike, Borsche, Max, Bozi, Maria, Bressman, Susan, Brice, Alexis, Brighina, Laura, Brockmann, Kathrin, Brüggemann, Norbert, Camacho, Marta, Belin, Andrea Carmine, Carr, Jonathan, Cesarini, Martin Emiliano, Cornejo-Olivas, Mario, Chase, Bruce, Chung, Sun Ju, Guedes, Leonor Correia, Clarimon, Jordi, Clark, Lorraine, Corvol, Jean-Christophe, Crosiers, David, Das, Parimal, de Carvalho Aguiar, Patricia, Damásio, Joana, de Michele, Giuseppe, De Rosa, Anna, Dieguez, Elena, Dorszewska, Jolanta, Ertan, Sibel, Fahn, Stanley, Farrer, Matthew J, Fedotova, Ekaterina Y, Ferese, Rosangela, Ferreira, Joaquim J, Foroud, Tatiana, Funayama, Manabu, Fung, Victor S C, Gagliardi, Monica, Gambardella, Stefano, Garraux, Gaetan, Garrido, Alicia, Gatto, Emilia M, Genç, Gençer, Giladi, Nir, Gómez-Garre, Pilar, Hanagasi, Hasmet, Hattori, Nobutaka, Hentati, Faycel, Hertz, Jens Michael, Illarioshkin, Sergey N, Jankovic, Joseph, Januario, Cristina, Maestre, Silvia Jesús, Kaasinen, Valtteri, Kasten, Meike, Kataoka, Hiroshi, Kievit, Anneke A, Kim, Yun Joong, Klein, Christine, Klivényi, Péter, Kostic, Vladimir S, Koziorowski, Dariusz, Krüger, Rejko, Kühn, Andrea, Kuhlenbäumer, Gregor, Kuo, Ming-Che, Lang, Anthony E, Lee-Chen, Guey-Jen, Lesage, Suzanne, Lim, Jia Lun, Lim, Shen-Yang, Lin, Chin-Hsien, Lohmann, Katja, Lynch, Timothy, Marder, Karen, Markopoulou, Katerina, Martikainen, Mika, May, Patrick, McCarthy, Allan, Mellick, George D, Menéndez-González, Manuel, Merello, Marcelo, Mir, Pablo, Mirelman, Anat, Mollenhauer, Brit, Briceno, Hugo Morales, Morgadinho, Ana, Morris, Huw, Mosejova, Alexandra, Nishioka, Kenya, Çakmak, Özgür Öztop, Olszewska, Diana A, Orr-Urtreger, Avi, Pachchek, Sinthuja, Padmanabhan, Shalini, Periñán, Maria Teresa, Petrucci, Simona, Pimentel, Marcia M G, Procopio, Radha, Pulkes, Teeratorn, Puschmann, Andreas, Ran, Caroline, Riess, Olaf, Ross, Owen A, Rossi, Malco, Ruiz-Martinez, Javier, Sammler, Esther M, Pereira, João Santos, Satake, Wataru, Saunders-Pullman, Rachel, Schaake, Susen, Petersen, Maria Skaalum, Skorvanek, Matej, Stefanis, Leonidas, Soto-Beasley, Alexandra I, Sousa, Mário, Spitz, Mariana, Suchowersky, Oksana, Sue, Carolyn M, Tan, Ai Huey, Tan, Eng-King, Thaler, Avner, Tepgeç, Fatih, Termsarasab, Pichet, Tesson, Christelle, Toda, Tatsushi, Toft, Mathias, Tolosa, Eduardo, Torres-Ramirez, Luis, Tumas, Vitor, Uyguner, Oya, Valente, Enza Maria, van de Warrenburg, Bart, Vidailhet, Marie, Vollstedt, Eva-Juliane, Walton, Ronald L, Waters, Cheryl, Williams-Gray, Caroline H, Winkelmann, Juliane, Wu, Yih-Ru, Wurster, Isabel, Wszolek, Zbigniew K, Wu, Ruey-Meei, Zhang, Bao-Rong, Zimprich, Alexander, Vollstedt, Eva-Juliane [0000-0002-6898-9201], Lohmann, Katja [0000-0002-5121-1460], Mirelman, Anat [0000-0002-1520-2292], Brüggemann, Norbert [0000-0001-5969-6899], Borsche, Max [0000-0002-9651-5986], Tolosa, Eduardo [0000-0002-3781-0854], Ferreira, Joaquim J [0000-0003-3950-5113], Alvarez, Victoria [0000-0002-1916-2523], Mir, Pablo [0000-0003-1656-302X], Kuo, Ming-Che [0000-0003-3688-0225], Ross, Owen A [0000-0003-4813-756X], Nishioka, Kenya [0000-0001-8607-9757], Williams-Gray, Caroline H [0000-0002-2648-9743], Camacho, Marta [0000-0002-1490-5703], Cornejo-Olivas, Mario [0000-0001-6313-5680], Wu, Yih-Ru [0000-0003-1191-2542], Termsarasab, Pichet [0000-0002-3260-3119], Borngräber, Friederike [0000-0001-9650-6820], Zimprich, Alexander [0000-0002-1668-5177], Gambardella, Stefano [0000-0002-3727-4502], Chase, Bruce [0000-0001-5491-7242], Olszewska, Diana A [0000-0002-1814-8834], Tan, Ai Huey [0000-0002-2979-3839], Barkhuizen, Melinda [0000-0002-9952-7085], Appel-Cresswell, Silke [0000-0002-5986-1468], Skorvanek, Matej [0000-0001-5497-8715], Sammler, Esther M [0000-0003-3218-7116], Zhang, Bao-Rong [0000-0002-8099-7407], Chung, Sun Ju [0000-0003-4118-8233], Apollo - University of Cambridge Repository, and MJFF Global Genetic Parkinson's Disease Study Group

Subjects
parkinson's disease, monogenic pd, monogenic PD, Parkinson's disease, Monogenic PD, Parkinson Disease, Disorders of movement Donders Center for Medical Neuroscience [Radboudumc 3], ddc, Neurology, genetics [Parkinson Disease], Mutation, Humans, Human medicine, ddc:610, Neurology (clinical), Research Article, Research Articles
Abstract

© 2023 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited., Background: As gene-targeted therapies are increasingly being developed for Parkinson's disease (PD), identifying and characterizing carriers of specific genetic pathogenic variants is imperative. Only a small fraction of the estimated number of subjects with monogenic PD worldwide are currently represented in the literature and availability of clinical data and clinical trial-ready cohorts is limited. Objective: The objectives are to (1) establish an international cohort of affected and unaffected individuals with PD-linked variants; (2) provide harmonized and quality-controlled clinical characterization data for each included individual; and (3) further promote collaboration of researchers in the field of monogenic PD. Methods: We conducted a worldwide, systematic online survey to collect individual-level data on individuals with PD-linked variants in SNCA, LRRK2, VPS35, PRKN, PINK1, DJ-1, as well as selected pathogenic and risk variants in GBA and corresponding demographic, clinical, and genetic data. All registered cases underwent thorough quality checks, and pathogenicity scoring of the variants and genotype-phenotype relationships were analyzed. Results: We collected 3888 variant carriers for our analyses, reported by 92 centers (42 countries) worldwide. Of the included individuals, 3185 had a diagnosis of PD (ie, 1306 LRRK2, 115 SNCA, 23 VPS35, 429 PRKN, 75 PINK1, 13 DJ-1, and 1224 GBA) and 703 were unaffected (ie, 328 LRRK2, 32 SNCA, 3 VPS35, 1 PRKN, 1 PINK1, and 338 GBA). In total, we identified 269 different pathogenic variants; 1322 individuals in our cohort (34%) were indicated as not previously published. Conclusions: Within the MJFF Global Genetic PD Study Group, we (1) established the largest international cohort of affected and unaffected individuals carrying PD-linked variants; (2) provide harmonized and quality-controlled clinical and genetic data for each included individual; (3) promote collaboration in the field of genetic PD with a view toward clinical and genetic stratification of patients for gene-targeted clinical trials. © 2023 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society., Michael J. Fox Foundation for Parkinson's Research. Grant Number: ID 15015.02. NIHR Cambridge Biomedical Research Centre. Grant Number: BRC-1215-20014

Published
2023

27. Association between choroid plexus volume and cognition in Parkinson disease.

Author

Jeong, Seong Ho, Jeong, Hyun‐Jae, Sunwoo, Mun Kyung, Ahn, Sung Soo, Lee, Seung‐Koo, Lee, Phil Hyu, Kim, Yun Joong, Sohn, Young H., Park, Chae Jung, and Chung, Seok Jong

Subjects
CHOROID plexus, PARKINSON'S disease, PROPORTIONAL hazards models, EXECUTIVE function, CENTRAL nervous system
Abstract

Background and purpose: The choroid plexus (CP) clears harmful metabolites from the central nervous system as part of the glymphatic system. We investigated the association of CP volume (CPV) with baseline and longitudinal cognitive decline in patients with Parkinson disease (PD). Methods: We retrospectively reviewed the medical records of 240 patients with newly diagnosed PD who had undergone detailed neuropsychological tests and high‐resolution T1‐weighted structural magnetic resonance imaging during the initial assessment. The CPV of each patient was automatically segmented, and the intracranial volume ratio was used in subsequent analyses. The relationship between CPV and baseline composite scores of each cognitive domain was assessed using multivariate linear regression analyses. A Cox proportional hazards model was used to compare the risk of dementia conversion with CPV. Results: CPV negatively correlated with composite scores of the frontal/executive function domain (β = −0.375, p = 0.002) after adjusting for age, sex, years of education, and parkinsonian symptom duration. The Cox regression model revealed that a larger CPV was associated with a higher risk of dementia conversion (hazard ratio [HR] = 1.509, p = 0.038), which was no longer significant after adjusting for the composite scores of the frontal/executive function domain. A mediation analysis demonstrated that the effect of CPV on the risk of dementia conversion was completely mediated by frontal/executive function (direct effect: HR = 1.203, p = 0.396; indirect effect: HR = 1.400, p = 0.015). Conclusions: Baseline CPV is associated with baseline frontal/executive function, which subsequently influences dementia conversion risk in patients with PD. [ABSTRACT FROM AUTHOR]

Published
2023
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36. Genome-wide Association and Meta-analysis of Age at Onset in Parkinson Disease: Evidence From the COURAGE-PD Consortium

Author

Grover, Sandeep, Kumar Sreelatha, Ashwin Ashok, Landoulsi, Zied, May, Patrick, Bobbili, Dheeraj, Edsall, Connor, Bartusch, Felix, Hanussek, Maximilian, Krüger, Jens, Hernandez, Dena G, Blauwendraat, Cornelis, Mellick, George D, Pihlstrom, Lasse, Zimprich, Alexander, Pirker, Walter, Tan, Manuela, Rogaeva, Ekaterina, Lang, Anthony, Koks, Sulev, Taba, Pille, Lesage, Suzanne, Brice, Alexis, Corvol, Jean-Christophe, Domenighetti, Cloé, Chartier-Harlin, Marie-Christine, Mutez, Eugenie, Brockmann, Kathrin, Deutschländer, Angela B, Hadjigeorgiou, Georges M, Dardiotis, Efthimos, Stefanis, Leonidas, Simitsi, Athina Maria, Valente, Enza Maria, Petrucci, Simona, Schulte, Claudia, Straniero, Letizia, Zecchinelli, Anna, Pezzoli, Gianni, Brighina, Laura, Ferrarese, Carlo, Annesi, Grazia, Quattrone, Andrea, Gagliardi, Monica, Burbulla, Lena F, Matsuo, Hirotaka, Sugier, Pierre-Emmanuel, Kawamura, Yusuke, Hattori, Nobutaka, Nishioka, Kenya, Chung, Sun Ju, Kim, Yun Joong, Pavelka, Lukas, van de Warrenburg, Bart P C, Bloem, Bastiaan R, Singleton, Andrew B, Aasly, Jan, Radivojkov-Blagojevic, Milena, Toft, Mathias, Guedes, Leonor Correia, Ferreira, Joaquim J, Bardien, Soraya, Carr, Jonathan, Tolosa, Eduardo, Ezquerra, Mario, Pastor, Pau, Diez-Fairen, Monica, Wirdefeldt, Karin, Lichtner, Peter, Pedersen, Nancy L, Ran, Caroline, Belin, Andrea C, Puschmann, Andreas, Hellberg, Clara, Clarke, Carl E, Morrison, Karen E, Krainc, Dimitri, Farrer, Matt J, Kruger, Rejko, Mohamed, Océane, Elbaz, Alexis, Gasser, Thomas, Sharma, Manu, Genetics, and the Comprehensive Unbiased Risk Factor Assessment for, Disease, Environment in Parkinson's, Portugal, Berta, Centre de recherche en épidémiologie et santé des populations (CESP), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Paul Brousse-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université Paris-Saclay, Institut du Cerveau = Paris Brain Institute (ICM), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Sorbonne Université (SU)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Centre d'investigation clinique Neurosciences [CHU Pitié Salpêtrière] (CIC Neurosciences), Institut National de la Santé et de la Recherche Médicale (INSERM)-CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Lille Neurosciences & Cognition - U 1172 (LilNCog), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Lille-Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille), FOR2488, INTER/DFG/17/11583046, INTER/DFG/19/14429377, Michael J. Fox Foundation for Parkinson's Research, MJFF, EU Joint Programme – Neurodegenerative Disease Research, JPND: 01ED1406, Multiple System Atrophy Coalition, MSA, European Commission, EC: EP1802749, Deutsche Forschungsgemeinschaft, DFG: DFG/SH 599/6-1, Fonds National de la Recherche Luxembourg, FNR: FNR/P13/6682797, Bundesministerium für Bildung und Forschung, BMBF, Université Paris-Saclay, The COURAGE-PD Consortium is conducted under a partnership agreement between 35 studies. The COURAGE-PD Consortium is supported by the EU Joint Program for Neurodegenerative Disease Research (JPND, neurodegenerationresearch.eu/initiatives/annual-calls-for-proposals/closed-calls/risk-factors-2012/risk-factor-call-results/courage-pd/ , Grant ID: 01ED1406)., and The Article Processing Charge was funded by the authors.

Subjects
parkinson’s disease, [SDV]Life Sciences [q-bio], burden of disease, Polymorphism, Single Nucleotide, Duration of disease, genetic heritability, duration of disease, genetics [Parkinson Disease], age at onset, Humans, Genetic Predisposition to Disease, ddc:610, Age of Onset, genetics [Genetic Predisposition to Disease], Burden of disease, Age at onset, Parkinson Disease, Disorders of movement Donders Center for Medical Neuroscience [Radboudumc 3], Courage, Parkinson’s disease, Genetic heritability, Female, Neurology (clinical), epidemiology [Parkinson Disease], Genome-Wide Association Study
Abstract

Background and ObjectivesConsiderable heterogeneity exists in the literature concerning genetic determinants of the age at onset (AAO) of Parkinson disease (PD), which could be attributed to a lack of well-powered replication cohorts. The previous largest genome-wide association studies (GWAS) identified SNCA and TMEM175 loci on chromosome (Chr) 4 with a significant influence on the AAO of PD; these have not been independently replicated. This study aims to conduct a meta-analysis of GWAS of PD AAO and validate previously observed findings in worldwide populations.MethodsA meta-analysis was performed on PD AAO GWAS of 30 populations of predominantly European ancestry from the Comprehensive Unbiased Risk Factor Assessment for Genetics and Environment in Parkinson's Disease (COURAGE-PD) Consortium. This was followed by combining our study with the largest publicly available European ancestry dataset compiled by the International Parkinson Disease Genomics Consortium (IPDGC).ResultsThe COURAGE-PD Consortium included a cohort of 8,535 patients with PD (91.9%: Europeans and 9.1%: East Asians). The average AAO in the COURAGE-PD dataset was 58.9 years (SD = 11.6), with an underrepresentation of females (40.2%). The heritability estimate for AAO in COURAGE-PD was 0.083 (SE = 0.057). None of the loci reached genome-wide significance (p < 5 × 10−8). Nevertheless, the COURAGE-PD dataset confirmed the role of the previously published TMEM175 variant as a genetic determinant of the AAO of PD with Bonferroni-corrected nominal levels of significance (p < 0.025): (rs34311866: β(SE)COURAGE = 0.477(0.203), pCOURAGE = 0.0185). The subsequent meta-analysis of COURAGE-PD and IPDGC datasets (Ntotal = 25,950) led to the identification of 2 genome-wide significant association signals on Chr 4, including the previously reported SNCA locus (rs983361: β(SE)COURAGE+IPDGC = 0.720(0.122), pCOURAGE+IPDGC = 3.13 × 10−9) and a novel BST1 locus (rs4698412: β(SE)COURAGE+IPDGC = −0.526(0.096), pCOURAGE+IPDGC = 4.41 × 10−8).DiscussionOur study further refines the genetic architecture of Chr 4 underlying the AAO of the PD phenotype through the identification of BST1 as a novel AAO PD locus. These findings open a new direction for the development of treatments to delay the onset of PD.

Published
2022

39. Genome-wide Association and Meta-analysis of Age-at-Onset in Parkinson Disease: Evidence From COURAGE-PD Consortium 10.1212/WNL.0000000000200699

Author

Grover, Sandeep, Ashwin, Ashok Kumar Sreelatha, Pihlstrom, Lasse, Domenighetti, Cloé, Schulte, Claudia, Sugier, Pierre-Emmanuel, Radivojkov-Blagojevic, Milena, Lichtner, Peter, Mohamed, Océane, Portugal, Berta, Landoulsi, Zied, May, Patrick, Bobbili, Dheeraj Reddy, Edsall, Connor, Bartusch, Felix, Hanussek, Maximilian, Krüger, Jens, Hernandez, Dena G., Blauwendraat, Cornelis, Mellick, George D., Zimprich, Alexander, Pirker, Walter, Tan, Manuela, Rogaeva, Ekaterina, Lang, Anthony, Koks, Sulev, Taba, Pille, Lesage, Suzanne, Brice, Alexis, Corvol, Jean-Christophe, Chartier-Harlin, Marie-Christine, Mutez, Eugenie, Brockmann, Kathrin, Deutschländer, Angela B., Hadjigeorgiou, Georges M., Dardiotis, Efthimos, Stefanis, Leonidas, Simitsi, Athina Maria, Valente, Enza Maria, Petrucci, Simona, Straniero, Letizia, Zecchinelli, Anna, Pezzoli, Gianni, Brighina, Laura, Ferrarese, Carlo, Annesi, Grazia, Quattrone, Andrea, Gagliardi, Monica, Burbulla, Lena F., Matsuo, Hirotaka, Kawamura, Yusuke, Hattori, Nobutaka, Nishioka, Kenya, Chung, Sun Ju, Kim, Yun Joong, Pavelka, Lukas, van de Warrenburg, Bart P. C., Bloem, Bastiaan R., Singleton, Andrew B., Aasly, Jan, Toft, Mathias, 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., Krainc, Dimitri, Farrer, Matt J., Krüger, Rejko, Elbaz, Alexis, Gasser, Thomas, Sharma, Manu, of, On Behalf, Genetics, The Comprehensive Unbiased Risk Factor Assessment For, consortium, Environment In Parkinson Textquoterights Disease Courage-P. D., Fonds National de la Recherche - FnR [sponsor], Luxembourg Centre for Systems Biomedicine (LCSB): Bioinformatics Core (R. Schneider Group) [research center], and Luxembourg Centre for Systems Biomedicine (LCSB): Clinical & Experimental Neuroscience (Krüger Group) [research center]

Subjects
Neurologie [D14] [Sciences de la santé humaine], Parkinson's disease, Neurology [D14] [Human health sciences], Age of onset, GWAS, Genetics & genetic processes [F10] [Life sciences], Génétique & processus génétiques [F10] [Sciences du vivant]
Abstract

Background and Objectives: Considerable heterogeneity exists in the literature concerning genetic determinants of the age of onset (AAO) of Parkinson\textquoterights disease (PD), which could be attributed to lack of well-powered replication cohorts. The previous largest GWAS identified SNCA and TMEM175 loci on chromosome (Chr) 4 with a significant influence on AAO of PD, these have not been independently replicated. The present study aims to conduct a meta-analysis of GWAS of PD AAO and validate previously observed findings in worldwide populations.Methods: A meta-analysis was performed on PD AAO GWAS of 30 populations of predominantly European ancestry from the Comprehensive Unbiased Risk Factor Assessment for Genetics and Environment in Parkinson\textquoterights Disease (COURAGE-PD) consortium. This was followed up by combining our study with the largest publicly available European ancestry dataset compiled by the International Parkinson disease Genomics Consortium (IPDGC).Results: The COURAGE-PD included a cohort of 8,535 patients with PD (91.9\%: Europeans, 9.1\%: East-Asians). The average AAO in the COURAGE-PD dataset was 58.9 years (SD=11.6), with an under-representation of females (40.2\%). The heritability estimate for AAO in COURAGE-PD was 0.083 (SE=0.057). None of the loci reached genome-wide significance (P\

Published
2022

40. The Interaction between HLA-DRB1 and Smoking in Parkinson's Disease Revisited

Author

Domenighetti, Cloé, Douillard, Venceslas, Sugier, Pierre-Emmanuel, Sreelatha, Ashwin Ashok Kumar, Schulte, Claudia, Grover, Sandeep, May, Patrick, Bobbili, Dheeraj Reddy, Radivojkov-Blagojevic, Milena, Lichtner, Peter, Singleton, Andrew B., Hernandez, Dena G., Edsall, Connor, Gourraud, Pierre-Antoine, 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, Eugénie, Brockmann, Kathrin, Deutschländer, 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, Nakayama, Akiyoshi, Hattori, Nobutaka, Nishioka, Kenya, Chung, Sun Ju, Kim, Yun Joong, Kolber, Pierre, van de Warrenburg, Bart P. C., Bloem, Bastiaan R., Aasly, Jan, Toft, Mathias, Pihlstrøm, Lasse, Correia Guedes, Leonor, 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, Ygland Rödström, Emil, Clarke, Carl E., Morrison, Karen E., Tan, Manuela, KraincMD, Dimitri, Burbulla, Lena F., Farrer, Matt J., Krüger, Rejko, Gasser, Thomas, Sharma, Manu, Vince, Nicolas, Elbaz, Alexis, Genetics, Comprehensive Unbiased Risk Factor Assessment For, Consortium, Environment In Parkinson S Disease Courage-P. D., Fonds National de la Recherche - FnR [sponsor], Luxembourg Centre for Systems Biomedicine (LCSB): Bioinformatics Core (R. Schneider Group) [research center], and Luxembourg Centre for Systems Biomedicine (LCSB): Clinical & Experimental Neuroscience (Krüger Group) [research center]

Subjects
Neurologie [D14] [Sciences de la santé humaine], genetics [HLA-DRB1 Chains], Neurology [D14] [Human health sciences], Parkinson's disease, Smoking, Parkinson Disease, genetics [Smoking], Disorders of movement Donders Center for Medical Neuroscience [Radboudumc 3], Polymorphism, Single Nucleotide, smoking, gene-environment interaction, HLA, Neurology, genetics [Parkinson Disease], genetics [Polymorphism, Single Nucleotide], Humans, Genetic Predisposition to Disease, ddc:610, Genetics & genetic processes [F10] [Life sciences], Neurology (clinical), Génétique & processus génétiques [F10] [Sciences du vivant], HLA-DRB1 Chains
Abstract

Contains fulltext : 282469.pdf (Publisher’s version ) (Open Access) BACKGROUND: Two studies that examined the interaction between HLA-DRB1 and smoking in Parkinson's disease (PD) yielded findings in opposite directions. OBJECTIVE: To perform a large-scale independent replication of the HLA-DRB1 × smoking interaction. METHODS: We genotyped 182 single nucleotide polymorphism (SNPs) associated with smoking initiation in 12 424 cases and 9480 controls to perform a Mendelian randomization (MR) analysis in strata defined by HLA-DRB1. RESULTS: At the amino acid level, a valine at position 11 (V11) in HLA-DRB1 displayed the strongest association with PD. MR showed an inverse association between genetically predicted smoking initiation and PD only in absence of V11 (odds ratio, 0.74, 95% confidence interval, 0.59-0.93, P(Interaction) = 0.028). In silico predictions of the influence of V11 and smoking-induced modifications of α-synuclein on binding affinity showed findings consistent with this interaction pattern. CONCLUSIONS: Despite being one of the most robust findings in PD research, the mechanisms underlying the inverse association between smoking and PD remain unknown. Our findings may help better understand this association. © 2022 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.

Published
2022

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

Author

Domenighetti, Cloé, Sugier, Pierre-Emmanuel, Lichtner, Peter, Singleton, Andrew B, Hernandez, Dena Michelle Godwin, Edsall, Connor, Mellick, George D, Zimprich, Alexander, Pirker, Walter, Rogaeva, Ekaterina, Lang, Anthony E, Koks, Sulev, Ashok Kumar Sreelatha, Ashwin, Taba, Pille, Lesage, Suzanne, Brice, Alexis, Corvol, Jean-Christophe, Chartier-Harlin, Marie-Christine, Mutez, Eugénie, Brockmann, Kathrin, Deutschländer, Angela B, Hadjigeorgiou, Georges M, Dardiotis, Efthimos, Schulte, Claudia, Stefanis, Leonidas, Simitsi, Athina Maria, Valente, Enza Maria, Petrucci, Simona, Duga, Stefano, Straniero, Letizia, Zecchinelli, Anna, Pezzoli, Gianni, Brighina, Laura, Ferrarese, Carlo, Grover, Sandeep, Annesi, Grazia, Quattrone, Andrea, Gagliardi, Monica, Matsuo, Hirotaka, Kawamura, Yusuke, Hattori, Nobutaka, Nishioka, Kenya, Chung, Sun Ju, Kim, Yun Joong, Kolber, Pierre, Mohamed, Océane, van de Warrenburg, Bart P C, Bloem, Bastiaan R, Aasly, Jan, Toft, Mathias, Pihlstrøm, Lasse, Correia Guedes, Leonor, Ferreira, Joaquim J, Bardien, Soraya, Carr, Jonathan, Tolosa, Eduardo, Portugal, Berta, Ezquerra, Mario, Pastor, Pau, Diez-Fairen, Monica, Wirdefeldt, Karin, Pedersen, Nancy L, Ran, Caroline, Belin, Andrea C, Puschmann, Andreas, Hellberg, Clara, Clarke, Carl E, May, Patrick, Morrison, Karen E, Tan, Manuela, Krainc, Dimitri, Burbulla, Lena F, Farrer, Matt J, Krüger, Rejko, Gasser, Thomas, Sharma, Manu, Elbaz, Alexis, Genetics, and the Comprehensive Unbiased Risk Factor Assessment for, Bobbili, Dheeraj R, Disease, Environment in Parkinson's, Radivojkov-Blagojevic, Milena, and Repositório da Universidade de Lisboa

Subjects
Male, dairy intake, Parkinson's disease, Mendelian randomization, Parkinson Disease, Dairy intake, Mendelian Randomization Analysis, Disorders of movement Donders Center for Medical Neuroscience [Radboudumc 3], Polymorphism, Single Nucleotide, Neurology, genetics [Parkinson Disease], Risk Factors, adverse effects [Dairy Products], genetics [Polymorphism, Single Nucleotide], Humans, Genetic Predisposition to Disease, Female, Dairy Products, Neurology (clinical), ddc:610, epidemiology [Parkinson Disease], genetics [Genetic Predisposition to Disease], Genome-Wide Association Study
Abstract

© 2022 International Parkinson and Movement Disorder Society, 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. © 2022 International Parkinson and Movement Disorder Society., This study used data from the Courage-PD consortium, conducted under a partnership agreement among 35 studies. The Courage-PD consortium is supported by the EU Joint Program for Neurodegenerative Disease research (JPND; https://www.neurodegenerationresearch.eu/initiatives/annual-calls-for-proposals/closed-calls/risk-factors-2012/risk-factor-call-results/courage-pd/). C.D. is the recipient of a doctoral grant from Université Paris-Saclay, France. P.M. was funded by the Fonds National de Recherche (FNR), Luxembourg, as part of the National Centre of Excellence in Research on Parkinson's Disease (NCER-PD, FNR11264123) and the DFG Research Units FOR2715 (INTER/DFG/17/11583046) and FOR2488 (INTER/DFG/19/14429377). A.B.S., D.G.H., and C.E. are funded by the Intramural Research Program of the National Institute on Aging, National Institutes of Health, Department of Health and Human Services, project ZO1 AG000949. E.R. is funded by the Canadian Consortium on Neurodegeneration in Aging. S.K. is funded by MSWA. P.T. is the recipient of an Estonian Research Council Grant PRG957. E.M.V. is funded by the Italian Ministry of Health (Ricerca Corrente 2021). S.B. and J.C. are supported by grants from the National Research Foundation of South Africa (grant number: 106052); the South African Medical Research Council (Self-Initiated Research Grant); and Stellenbosch University, South Africa; they also acknowledge the support of the NRF-DST Centre of Excellence for Biomedical Tuberculosis Research; South African Medical Research Council Centre for Tuberculosis Research; and Division of Molecular Biology and Human Genetics, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town. P.P. and M.D.-F. have received funding from the Spanish Ministry of Science and Innovation (SAF2013-47939-R). K.W. and N.L.P. are funded by the Swedish Research Council, grant numbers K2002-27X-14056-02B, 521-2010-2479, 521-2013-2488, and 2017-02175. N.L.P. is funded by the National Institutes of Health, grant numbers ES10758 and AG 08724. C.R. is funded by the Märta Lundkvist Foundation, Swedish Brain Foundation, and Karolinska Institutet Research Fund. A.C.B. is funded by the Swedish Brain Foundation, Swedish Research Council, and Karolinska Institutet Research Funds. M.T. (M. Tan) is funded by the Parkinson's UK. M.S. was supported by grants from the German Research Council (DFG/SH 599/6-1), MSA Coalition, and The Michael J. Fox Foundation (USA Genetic Diversity in PD Program: GAP-India Grant ID: 17473). PG GEN sample collection was funded by the MRC and UK Medical Research Council (C.E.C. and K.E.M.).

Published
2022

50. The East Asian Parkinson Disease Genomics Consortium

Author

Mok, Kin Y, primary, Guo, Ji-Feng, additional, Tang, Bei-Sha, additional, Shang, Huifeng, additional, Li, Chunyu, additional, Nguyen, Huong Thi Thanh, additional, Vu, Thi Thanh Huyen, additional, Nguyen, Anh Tuan, additional, Ip, Nancy Y, additional, Fu, Amy KY, additional, Ip, Fanny CF, additional, Zhou, Xiaopu, additional, Cao, Han, additional, Mok, Kin Ying, additional, Hardy, John, additional, Chan, Germaine Hiu Fai, additional, Cheung, Nelson Yuk-Fai, additional, Chan, Phillip, additional, Fong, Wing Chi, additional, Ibrahim, Norlinah Mohamed, additional, Azmin, Shahrul, additional, Abdul Murad, Nor Azian, additional, Sulaiman, Siti Aishah, additional, Desa, Siti Hajar Md, additional, Mohamed, Wael, additional, Koks, Sulev, additional, Pfaff, Abigail, additional, Singleton, Lewis, additional, Kim, Yun Joong, additional, Chung, Seok Jong, additional, Choi, Seong-Min, additional, Chen, Yu, additional, Chen, Yuewen, additional, Ye, Tao, additional, Wu, Yih-Ru, additional, Wu, Hsiu-Chuan, additional, Wu, Ruey-Meei, additional, Lin, Chin-Hsein, additional, Su, Yu-An, additional, Tsai, Mong-Hsun, additional, Shiraishi, Tomotaka, additional, Murakami, Hidetomo, additional, Sengoku, Renpei, additional, Hattori, Nobutaka, additional, Funayama, Manabu, additional, Toda, Tatsushi, additional, Satake, Wataru, additional, Ogaki, Kotaro, additional, Nishioka, Kenya, additional, Singleton, Andrew, additional, Nalls, Mike, additional, and Blauwendraat, Cornelis, additional

Published
2021
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