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Buendia, Marie‐Annick

https://orcid.org/0009-0009-9748-194X

Mayo Clinic

Consorci Institut D'Investigacions Biomediques August Pi I Sunyer

Citations 2

Single-cell multiomics identifies both shared and unique features of immune dysfunction in Parkinson’s disease and inflammatory bowel disease colon, plasma and stool
Bolen, MacKenzie L. , Buendia, Marie‐Annick , Shi, Ji , Staley, Hannah A. , Kachergus, Jennifer M., Efron, Philip A. , Park, Gwoncheol , Nagpal, Ravinder , Alvarez, Stephan D. , Xue, Qing‐Shan, McFarland, Nikolaus R. , Zimmermann, Ellen M. , Forsmark, Christopher E. , Thompson, E. Aubrey, Buendia, Marc , Staley, Hannah , Menees, Kelly B , Tansey, Malú G , McFarland, Nikolaus R , Buendia, Marc, Salas, Azucena , Thompson, E. Aubrey, Tansey, Malú G.

No container title available | May 2, 2025 | Volume: No volume available | Issue: No issue available | Pages: No page available

10.1101/2025.04.29.651228 Get It

Abstract Parkinson’s disease (PD) is the fastest growing neurodegenerative disease in the world 1 . Gastrointestinal (GI) dysfunction can occur decades before motor impairments and in up to 80% of individuals living with PD 2,3,4 . We investigated peripheral relationships that may underlie mechanisms along the gut-blood axis that contribute to PD pathogenesis. Single-cell multiomic spatial molecular imaging (SMI) of colonic tissue localized inflammatory injury within epithelial cells that appear to be associated with iron mishandling in both inflammatory bowel disease (IBD) and PD biosamples. We found that both the single-cell SMI of RNA and protein revealed parallel cross-modal dysregulation in the gut epithelium, in both IBD and PD biosamples. These data are accompanied by plasma (PD) and stool (IBD) protein depletion of CCL22. Our findings suggest iron mishandling along the gut barrier likely contributes to systemic inflammation, which may be the catalyst that primes circulating immune cells to body-first PD pathogenesis.
Multiancestry analysis of the HLA locus in Alzheimer’s and Parkinson’s diseases uncovers a shared adaptive immune response mediated by HLA-DRB1*04 subtypes
Guen, Yann Le , Luo, Guo , Damotte, Vincent , Jansen, Iris E. , Nicolas, Aude , Rojas, Itziar de, Bellenguez, Céline , Lian, Michelle Mulan , Parveen, Kayenat, Morizono, Takashi, Park, Hyeonseul, Grenier‐Boley, Benjamin , Naito, Tatsuhiko , Talyansky, Seth D., Yogeshwar, Selina , Sempere, Vicente Peris, Satake, Wataru , Álvarez, Victoria , Arosio, Beatrice , Boland, Anne , Daniele, Antonio , Darling, D.H., Dichgans, Martin , Dufouil, Carole , Düzel, Emrah , García‐Ribas, Guillermo, García‐Alberca, José María , García-González, Pablo, Giedraitis, Vilmantas , Graff, Caroline , Grünblatt, Edna , Hausner, Lucrezia , Jung, Yoo Jin , Deckert, Jürgen, Kern, Silke , Kuulasmaa, Teemu , Lee, Kun Ho , Lin, Ling , Masullo, Carlo , Mehrabian, Shima , Mendonça, Alexandre de , Boada, Merçé , Mir, Pablo , Moreno, Fermín , Nicolas, Gaël , Niida, Shumpei , Nordestgaard, Børge G. , Papenberg, Goran, Papma, Janne M., Pástor, Pau , Peters, Oliver , Popp, Julius , Molina‐Porcel, Laura , Puerta, Raquel , Pérez‐Tur, Jordi , Ramakers, Inez H.G.B. , Real, Luís Miguel , Riedel‐Heller, Steffi G. , Rodríguez‐Rodríguez, Eloy , Ross, Owen A. , Scarmeas, Nikolaos , Schneider, Anja , Solfrizzi, Vincenzo , Spalletta, Gianfranco , Tan, Eng‐King , Tegos, Thomas, Thomassen, Jesper Qvist , Tremolizzo, Lucio , Verhey, Frans, EADB, group, GR@ACE study, DemGene, EADI, GERAD, Blennow, Kaj , He, Zihuai , Jessen, Frank , Kehoe, Patrick G. , Duin, Cornelia van, Sánchez‐Juan, Pascual , Zettergren, Anna , Okada, Yukinori , Rossi, Giacomina, Gim, Jungsoo , Sims, Rebecca, Ramı́rez, Alfredo , Lambert, Jean‐Charles , Greicius, Michael D. , Mignot, Emmanuel , Moreno–Grau, Sonia , Rojas, Itziar de, Prokic, Ivana, Aarsland, Dag, García‐González, Pablo , Abdelnour, Carla , Armstrong, Nicola J. , Anthoula, Tsolaki, Archetti, Silvana, Pastor, Alfonso Arias, Athanasiu, Lavinia, Bailly, Henri, Banaj, Nerisa , Baquero, Miquel , Pastor, Ana Belén , Besse, Céline , Bizarro, Alessandra, Blesa, Rafael , Bossù, Paola , Brusco, Luis Ignacio , Buiza‐Rueda, Dolores, Bürger, Katharina , Burholt, Vanessa, Cecchetti, Roberta, Chillotti, Caterina , Ciccone, Simona, Claassen, Jurgen A.H.R., Clark, Christopher , Costantini, Emanuele Maria , Daian, Delphine , Dartigues, Jean‐François, Escott-Price, Valentina, Ewers, Michael , Fernández‐Fuertes, Marta , Ferreira, Catarina B. , Fin, Bertrand, Fließbach, Klaus , Franco-Macías, Emlio, García-González, Pablo, García‐Madrona, Sebastián, Giegling, Ina, Giorgio, Giaccone, González-Pérez, Antonio, Grande, Giulia , Green, Emma , Grimmer, Timo, Hardy, John, Hartmann, Annette M. , Harwood, Janet , Helisalmi, Seppo , Hernández, Isabel, Hoffmann, Per, Vilas, Raquel Huerto, Hulsman, Marc , Johansson, Charlotte , Kilander, Lena, Ståhlbom, Anne Kinhult, Koivisto, Anne M. , Lage, Carmen , Lerch, Ondřej , Munain, Adolfo Lopez de, Löwemark, Malin, Luckcuck, Lauren, Maier, Wolfgang, Marco, Spallazzi, Montes, Ángel Martín, Rodríguez, Carmen Martínez, Meggy, Alun, Mendoza, Silvia, Moebus, Susanne, Morelli, Laura , Möthen, Markus M., Muchnik, Carolina , Orsini, Michela, Péricard, Pierre , Piñol-Ripoll, Gerard, Polak, Thomas, Quenez, Olivier , Rábano, Alberto , Ramakers, Inez, Riederer, Peter, Rongve, Arvid, Allende, Irene Rosas, Rujescu, Dan, Sakka, Paraskevi , Sánchez‐Arjona, María Bernal, Sando, Sigrid Botne , Scamosci, Michela, Scherbaum, Norbert, Scherer, Martin, Schott, Jonathan M., Shadrin, Alexey A, Skrobot, Olivia Anna, Solfrizzi, Vincenzo, Spottke, Annika , Stordal, Eystein , Tartan, Juan Pablo, Traykov, Latchezar , Tybjærg‐Hansen, Anne, Ullgren, Abbe, Ulstein, Ingun, Dongen, Jasper Van , Wallon, David, Windle, Gill, Woods, Bob , Zulaica, Miren , Laczó, Jan , Maťoška, Václav , Piras, Federica, Ciullo, Valentina , Shofany, Jacob, Andreoni, Simona, Zompo, Maria Del, Bastiani, Patrizia, Natunen, Teemu , Antikaínen, Riitta , Abraham, Richard, Al-Chalabi, Ammar, Brayne, Carol, Brown, Kristelle S., Collinge, John, Craig, David W. , Deloukas, Pangiotis, Gerrish, Amy, Gwilliam, Rhian, Hardy, John , Hollingworth, Paul, Johnston, Jarret A., Jones, Lesley , Lawlor, Brian, Lynch, Aoibhinn, McQuillin, Andrew, Owen, Michael J., Passmore, Peter , Proitsi, Petra, Rossor, Martin, Gurling, Hugh, Todd, Stephen, Mummery, Catherine J. , Ryan, Nathalie, Lacidogna, Giordano , Adarmes-Gómez, Ad, Mauleón, Ana , Pancho, Ana, Gailhajenet, A., Lafuente, Asunción, Martín, Elvira, Pelejà, Esther, Carrillo, F, Merlín, Isabel Sastre, Garrote-Espina, L. , Carrión‐Claro, Mario, Marín, María Esmeralda Arreola , Labrador, Ma, Buendía, Mar, Guitart, Marina, Moreno, Mariona, Ibarria, Marta, Periñán, Mt, Aguilera, Núria , Gómez-Garre, P, Escuela, R, Pineda-Sanchez, R., Vigo-Ortega, R, Preckler, Sílvia , Rodrigo‐Herrero, Silvia , Diego, Susana, Salvadori, Nicola, Chipi, Elena , Laske, Christoph , Janowitz, Daniel , Anastasiou, Anna, Parveen, Kayenat, López‐García, Sara , Antonell, Anna , Belezhanska, Diyana , Solís, Patricia , Medel, Nancy , Lisso, Julieta, Sevillano, Zulma, Politis, Daniel Gustavo , Cores, Valeria, Cuesta, Carolina , Ortíz, Cecilia, Bacha, Juan Ignacio, Rios, Mario, Saenz, Aldo, Abalos, Mariana Sanchez, Köhler, Eduardo, Palacio, Dana Lis, Etchepareborda, Ignacio, Prestia, Federico Ariel, Galeano, Pablo , Castaño, Eduardo M., Germani, Sandra, Toso, Carlos Reyes, Rojo, Matias, Ingino, Carlos A. , Mangone, Carlos A., Engelborghs, Sebastiaan , Nielsen, Sune Fallgaard, Farotti, Lucia , Biessels, Geert Jan , Fiévet, Nathalie, Forsell, Charlotte , Thonberg, Håkan, Bjerke, Maria , Roeck, Ellen De , Olivar, Natividad , Sachdev, Perminder S. , Magda, Tsolaki, Rossi, Giacomina, Andreassen, Ole A., Sims, Rebecca , Aguilera, N., Alarcón, Estefanía Burgos, Buendia, Marie‐Annick , Rojas, Itziar de , Diego, S. , Guitart, M., González-Péerez, A, Lafuente, A., Martin, Elisabeth , Martinez, M.T.M., Marquié, M, Olivé, C. , Pelejà, E., Puerta, R, Sáez, ME, Táarraga, L, Valero, S, Alonso, MD, Amer-Ferrer, G., Antequera, M., Antúnez, Carmen , Bernal, M. , Bullido, MJ, Ja, Burguera, Carrillo, F, Casajeros, MJ, Cruz-Gamero, JM, Escuela, R, Franco, Emilio, García-Alberca, JM, Madrona, S. García, Gómez-Garre, P, Hevilla, S., Espinosa, MA Labrador, Legaz, A. , Lleóo, A, Munáin, A Lóopez de, Marín-Muñoz, Juan, Marín, T, Marquié, M, Martínez, B. , Álvarez, A Martínez-Lage, Iriarte, M Mendioroz, Tur, J Péerez, Ripoll, G. Piñol, Ráabano, A, Asúa, Diego Real de , Rodrigo, S., Royo, JL, Díaz, R. Sanchez del Valle, Sánchez‐Juan, Pascual, Sastre, Isabel , Valero, S, Vicente, MP, Vigo-Ortega, R, Shadrin, Alexey A, Rongve, Arvid, Bosnes, Ingunn , Athanasiu, Lavinia, Aarsland, Dag, Andreassen, Ole A., Epelbaum, Jacques, Wallon, David, Hannequin, Didier , Campion, Dominique , Dermecourt, Vincent, Dubois, Bruno , Amouyel, Phillippe, Sims, Rebecca, Gerrish, Amy, Thomas, Charlene , Meggy, Alun, Davies, Chloe, Dowzell, Kimberley, Bernardo-Harrington, Mateus, Hoffmann, Per, Brown, Kristelle, Schott, Jonathan M., Rossor, Martin, Ryan, Natalie S. , Uphill, James, Al-Chalabi, Ammar, Bass, Nick, Abraham, Richard, Kölsch, Heike, Schürmann, Britta, Lacour, ndré, Herold, Christine, Johnston, Janet, Todd, Stephen, Proitsi, Petra, Patel, Yogen, Warden, Donald, Wilcock, Gordon , Clarke, Robert , Lawlor, Brian, McQuillin, Andrew, Hardy, John, Brayne, Carol, Deloukas, Panagiotis, Sussams, Rebecca, Warner, Nick, Bayer, Anthony, Singleton, Andrew, Rujescu, Dan, Giegling, Ina, Klopp, Norman, Mayhaus, Manuel, Riemenschneider, Matthias, Pinchler, Sabrina, Feulner, Thomas, Bussche, Hendrik den, Scherer, Martin, Hüll, Michael, Frölich, Lutz, Wichmann, H‐Erich, Jöckel, Karl‐Heinz , Moebus, Susanne, Kauwe, John, Mayo, Kevin H. , Escott-Price, Valentina, Peng, Rong , Tan, Louis, Tandiono, Moses , Ng, Ebonne, Prakash, Kumar‐M., Au, Wing‐Lok , Meah, Wee-Yang, Mok, Shi Qi, Chan, Anne , Chen, Ling , Jeon, Beom S., Lin, Juei‐Jueng , Pei, Zhong , Shi, Changhe , Song, Kyuyoung, Wu, Yih‐Ru , Xu, Yuming , Yan, Yaping , Yang, Jing , Zhang, Bao Rong, Le Guen, Yann , Damotte, Vincent , During, Emmanuel , Hort, Jakub , Lin, Ling , Niida, Shumpei , Pasquier, Florence , Real, Luis M , Rujescu, Dan , Spalletta, Gianfranco , Zetterberg, Henrik , Andreassen, Ole A , Tsolaki, Magda , Foo, Jia Nee , Mignot, Emmanuel , Dichgans, Martin , Ramirez, Alfredo , Ross, Owen A , Sachdev, Perminder S , Hardy, John , Nicolas, Gaël , Alvarez, Victoria , Mir, Pablo , Pastor, Pau , Boada, Merce , García-González, Pablo , Molina-Porcel, Laura , de Mendonça, Alexandre , Graff, Caroline , Ambati, Aditya , Yu, Eric , Rojas, Itziar de, Leal, Thiago Peixoto , Miyashita, Akinori , Küçükali, Fahri , Belloy, Michaël E. , Benussi, Luisa , Borroni, Barbara , Bullido, María J. , Caffarra, Paolo , Clarimón, Jordi , Darling, Daniel, Debette, Stéphanie , Deleuze, Jean‐François , Galimberti, Daniela , García-González, Pablo, Goldhardt, Oliver , Hanon, Olivier , Heilmann‐Heimbach, Stefanie , Holstege, Henne H. , Hort, Jakub , Mecocci, Patrizia , Moebus, Susanne , Nacmias, Benedetta , Parnetti, Lucilla , Pasquier, Florence , Pijnenburg, Yolande A.L. , Piñol‐Ripoll, Gerard , Rainero, Innocenzo , Royo, José Luís , Scheltens, Philip , Scherbaum, Norbert , Seripa, Davide , Skoog, Ingmar , Squassina, Alessio , Swieten, John C. van , Sánchez‐Valle, Raquel , Teunissen, Charlotte E. , Vyhnálek, Martin , Wærn, Margda , Wiltfang, Jens , Zhang, Jing , EADB, group, GR@ACE study, DemGene, EADI, GERAD, Zetterberg, Henrik , Williams, Julie , Amouyel, Philippe , Tsolaki, Magda , Frikke-Schmidt, Ruth , Sleegers, Kristel , Toda, Tatsushi , Ingelsson, Martin , Rossi, Giacomina, Hiltunen, Mikko O. , Ozaki, Kouichi , Sims, Rebecca, Foo, Jia Nee , Flier, Wiesje M. van der , Ikeuchi, Takeshi , Mata, Ignácio F. , Ruiz, Agustı́n , Gan‐Or, Ziv , Andrade, Víctor , Amin, Najaf , Campos-Martín, Rafael , Holmans, Peter , Kleineidam, Luca , Lee, Sven J. van der , Rojas, Itziar de, Yaqub, Amber , Prokic, Ivana, Costa, Marcos R. , Chapuis, Julien , Ahmad, Shahzad , Aarsland, Dag, Alarcón‐Martín, Emilio , Alcolea, Daniel , Alegret, Montserrat , Álvarez, Ignacio , Appollonio, Ildebrando Marco , Arcaro, Marina , Athanasiu, Lavinia, Berr, Claudine , Bessi, Valentina , Binetti, Giuliano , Boschi, Silvia , Bråthen, Geir , Bresner, Catherine , Brodaty, Henry , Brookes, Keeley J. , Burholt, Vanessa, Calero, Miguel , Chêne, Geneviève , Carracedo, Ángel , Cervera‐Carles, Laura , Charbonnier, Camille , Claassen, Jurgen A.H.R. , Conti, Elisa , Corma‐Gómez, Anaïs , Custodero, Carlo , Dalmasso, Carolina , Dardiotis, Efthimios , Deyn, Peter Paul De , Ser, Teodoro del , Denning, Nicola , Diehl‐Schmid, Janine , Díez-Fairén, Mónica , Rossi, Paolo Dionigi , Djurovic, Srdjan , Duron, Emmanuelle , Escott-Price, Valentina, Espinosa, Ana , Ferri, Evelyn , Fischer, Peter A. , Fladby, Tormod , Fortea, Juan , Fostinelli, Silvia , Fox, Nick C. , Frank, Ana , Froelich, Lutz , García-González, Pablo, Ghidoni, Roberta , Giegling, Ina, Grimmer, Timo , Guetta‐Baranes, Tamar , Haapasalo, Annakaisa , Hadjigeorgiou, Georgios M. , Hampel, Harald , Hardy, John, Heneka, Michael T. , Hernández, Isabel, Herrmann, Martin J. , Hoffmann, Per, Holmes, Clive , Kivipelto, Miia , Kornhuber, Johannes , Kosmidis, Mary H. , Laukka, Erika J. , Lauria, Alessandra , Lehtisalo, Jenni , Lleó, Alberto , Munain, Adolfo Lopez de, Macías, Juan, MacLeod, Catherine Anne , Mangialasche, Francesca , Marquié, Marta , Marshall, Iain James , Mead, Simon , Medina, Miguel , Meggy, Alun, Menéndez‐González, Manuel , Moebus, Susanne, Mol, Merel O. , Montrreal, Laura , Morgan, Kevin , Ngandu, Tiia , Olaso, Robert , Orellana, Adelina , Ortega, Gemma , Padovani, Alessandro , Pérez‐Cordón, Alba , Pineda, Juan Antonio , Piñol-Ripoll, Gerard, Pisanu, Claudia , Posthuma, Daniëlle , Priller, Josef , Quintela, Inés , Reinders, Marcel J. T. , Roberto, Natalia , Rongve, Arvid, Rosende‐Roca, Maitée , Rubino, Elisa , Rujescu, Dan, Sáez, María Eugenia , Saltvedt, Ingvild Tina , Sanabria, Ángela , Sánchez-García, Florentino , Scarpini, Elio , Scherbaum, Norbert, Scherer, Martin, Schmid, Matthias C. , Schott, Jonathan M., Selbæk, Geir , Shadrin, Alexey A, Soininen, Hilkka S. , Solfrizzi, Vincenzo, Solomon, Alina , Sorbi, Sandro , Sotolongo‐Grau, Óscar , Tárraga, Lluís , Tesi, Niccoló , Thalamuthu, Anbupalam , Uitterlinden, André G. , Valero, Sergi , Lugt, Aad van der , Rooij, Jeroen van , Vandenberghe, Rik , Vidal, Jean‐Sébastien , Vogelgsang, Jonathan S. , Wagner, Michael , Wallon, David , Weinhold, Leonie , Yannakoulia, Mary , Serpente, María , Assogna, Francesca , Piras, Fabrizio , Piras, Federica, Ferrarese, Carlo , Sala, Gessica , Zoia, C , Benussi, Alberto , Takalo, Mari , Laatikainen, Tiina K. , Tuomi, Tiinamaija , Strandberg, Timo E. , Lindström, Jaana , Peltonen, Markku , Abraham, Richard, Al-Chalabi, Ammar, Bass, Nicholas , Brayne, Carol, Gerrish, Amy, Gill, Michael , Harold, Denise , Lawlor, Brian, Livingston, Gill , Lovestone, Simon , Lupton, Michelle K. , Mann, David , McGuinness, Bernadette , McQuillin, Andrew, O‘Donovan, Michael , Powell, John , Proitsi, Petra, Rossor, Martin, Shaw, Christopher E. , Smith, A. David , Todd, Stephen, Macías‐García, Daniel , Carrillo, F, Vargas, Liliana , Marín, M, Alonso, María Dolores, Gómez-Garre, P, Cañabate, Pilar , Escuela, R, Vigo-Ortega, R, Jesús, Silvia , Vacca, Alessandro , Roveta, Fausto , Boecker, Henning , Perneczky, Robert , Anastasiou, Costas Anastasios , Malik, Rainer , Parveen, Kayenat, Mihova, Kalina Yonkova , Weber, Heike , Kochen, Silvia , Saenz, Aldo, Kohler, Matias, Novack, Gisela Vanina , Tagliavini, Fabrizio , Nielsen, Sune Fallgaard, Fenoglio, Chiara , Biessels, Geert Jan , Love, Seth , Broeckhoven, Christine Van , Rubinsztein, David Chaim , Teipel, Stefan Johannes , Deramecourt, Vincent , Martínez-Larrad, María Teresa, Ghanbari, Mohsen , Mather, Karen A. , Ikram, M. Arfan , Rossi, Giacomina, Andreassen, Ole A., Duijn, Cornelia M. van , Alarcon, E, Buendia, M, Cano, Amanda C. , Anchuelo, Arturo Corbatón , Macı́as, Juan , Maroñas, Olalla , Martín, E, Martínez, MT, Marquié, M, Moreno, M. , Núñez‐Llaves, Raúl , Olivé, C, Puerta, R, Serrano‐Ríos, Manuel , Valero, S, Bernal, M, Carrillo, F, Pancorbo, Marian M. de , Escuela, R, Gómez-Garre, P, Munaín, Adolfo López de , Manzanares, Salvadora , Marín, M, Marquié, M, Martínez, B, Martínez, C, Martínez, V, Álvarez, A Martínez-Lage, Iriarte, M Mendioroz, Tur, J. Pérez, Periñán, María Teresa , Rodrigo, S, Valero, S, Vigo-Ortega, R, Vivancos, L. , Shadrin, Alexey A, Bahrami, Shahram , Rongve, Arvid, Athanasiu, Lavinia, Selnes, Per , Bergh, Sverre , Aarsland, Dag, Andreassen, Ole A., Tzourio, Christophe , Brice, Alexis , Ritchie, Karen , Sims, Rebecca, Gerrish, Amy, Williams, Amy, Meggy, Alun, Nash, William, Castillo-Morales, Atahualpa , Hoffmann, Per, Turton, James , Lord, Jenny , Vardy, Emma , Fisher, Elizabeth , Warren, Jason D. , Schott, Jonathan M., Rossor, Martin, Guerreiro, Rita , Al-Chalabi, Ammar, Bass, Nick, Abraham, Richard, Heun, Reinhard , Todd, Stephen, Proitsi, Petra, Hodges, Angela , Becker, Tim , Lawlor, Brian, McQuillin, Andrew, Hardy, John, Brayne, Carol, Deloukas, Panagiotis, Ben‐Shlomo, Yoav , Hooper, Nigel M. , Pickering‐Brown, Stuart , Warner, Nick, Bayer, Anthony, Singleton, Andrew , Rujescu, Dan, Giegling, Ina, Heuser, Isabella , Drichel, Dmitriy , Nöthen, Markus M. , Riemenschneider, Matthias, Gu, Wei , Scherer, Martin, Moebus, Susanne, Morris, John C. , Owen, Michael J. , Escott-Price, Valentina, Chew, Elaine Guo Yan , Chung, Sun Ju , Chao, Yinxia , Ahmad‐Annuar, Azlina , Chen, Yongping , Jiang, Lulu , Lim, Jia Lun , Liu, Chun‐Feng , Mao, Chengjie , Mok, Vincent , Pei, Zhong , Shang, Huifang , Tan, Ai Huey , Xu, Renshi , Zhang, Bao Rong, Koh, Woon‐Puay , Lim, Shen‐Yang , Khor, Chiea Chuen , Liu, Jianjun

Proceedings of the National Academy of Sciences | August 29, 2023 | Volume: 120 | Issue: 36 | Pages: No page available

10.1073/pnas.2302720120 Get It

Across multiancestry groups, we analyzed Human Leukocyte Antigen (HLA) associations in over 176,000 individuals with Parkinson’s disease (PD) and Alzheimer’s disease (AD) versus controls. We demonstrate that the two diseases share the same protective association at the HLA locus. HLA-specific fine-mapping showed that hierarchical protective effects of HLA-DRB1 *04 subtypes best accounted for the association, strongest with HLA-DRB1 *04:04 and HLA-DRB1 *04:07, and intermediary with HLA-DRB1 *04:01 and HLA-DRB1 *04:03. The same signal was associated with decreased neurofibrillary tangles in postmortem brains and was associated with reduced tau levels in cerebrospinal fluid and to a lower extent with increased Aβ42. Protective HLA-DRB1 *04 subtypes strongly bound the aggregation-prone tau PHF6 sequence, however only when acetylated at a lysine (K311), a common posttranslational modification central to tau aggregation. An HLA-DRB1 *04-mediated adaptive immune response decreases PD and AD risks, potentially by acting against tau, offering the possibility of therapeutic avenues.