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Sosa AL, Brucki SM, Crivelli L, Lopera FJ, Acosta DM, Acosta-Uribe J, Aguilar D, Aguilar-Navarro SG, Allegri RF, Bertolucci PH, Calandri IL, Carrillo MC, Mendez PAC, Cornejo-Olivas M, Custodio N, Damian A, de Souza LC, Duran-Aniotz C, García AM, García-Peña C, Gonzales MM, Grinberg LT, Ibanez AM, Illanes-Manrique MZ, Jack CR, Leon-Salas JM, Llibre-Guerra JJ, Luna-Muñoz J, Matallana D, Miller BL, Naci L, Parra MA, Pericak-Vance M, Piña-Escudero SD, França Resende EDP, Ringman JM, Sevlever G, Slachevsky A, Suemoto CK, Valcour V, Villegas-Lanau A, Yassuda MS, Mahinrad S, Sexton C. Advancements in dementia research, diagnostics, and care in Latin America: Highlights from the 2023 Alzheimer's Association International conference satellite symposium in Mexico City. Alzheimers Dement 2024. [PMID: 38801124 DOI: 10.1002/alz.13850] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 01/03/2024] [Indexed: 05/29/2024]
Abstract
INTRODUCTION While Latin America (LatAm) is facing an increasing burden of dementia due to the rapid aging of the population, it remains underrepresented in dementia research, diagnostics, and care. METHODS In 2023, the Alzheimer's Association hosted its eighth satellite symposium in Mexico, highlighting emerging dementia research, priorities, and challenges within LatAm. RESULTS Significant initiatives in the region, including intracountry support, showcased their efforts in fostering national and international collaborations; genetic studies unveiled the unique genetic admixture in LatAm; researchers conducting emerging clinical trials discussed ongoing culturally specific interventions; and the urgent need to harmonize practices and studies, improve diagnosis and care, and use affordable biomarkers in the region was highlighted. DISCUSSION The myriad of topics discussed at the 2023 AAIC satellite symposium highlighted the growing research efforts in LatAm, providing valuable insights into dementia biology, genetics, epidemiology, treatment, and care.
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Affiliation(s)
- Ana Luisa Sosa
- Laboratorio de Demencias del Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Mexico City, CDMX, México
| | - Sonia Md Brucki
- Department of Neurology, Cognitive and Behavioral Group, University of Sao Paulo, São Paulo, São Paulo, Brazil
| | - Lucia Crivelli
- Department of Cognitive Neurology, Fleni, Buenos Aires, Argentina
| | - Francisco Javier Lopera
- Grupo de Neurociencias (GNA), Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - Daisy M Acosta
- Universidad Nacional Pedro Henriquez Urena (UNPHU), Santo Domingo, Dominican Republic
| | - Juliana Acosta-Uribe
- Grupo de Neurociencias (GNA), Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
- Neuroscience Research Institute and Department of Molecular, Cellular and Developmental Biology, University of California Santa Barbara, Santa Barbara, California, USA
| | | | - Sara G Aguilar-Navarro
- Department of Geriatrics, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubiran, México, CDMX, Mexico
| | - Ricardo F Allegri
- Instituto de Neurociencias, Fleni, Buenos Aires, Argentina
- Department of Neurosciences, Universidad de la Costa CUC, Barranquilla, Colombia
| | - Paulo Hf Bertolucci
- Neurology & Neurosurgery Department, Escola Paulista de Medicina/UNIFESP, São Paulo, São Paulo, Brazil
| | | | | | | | - Mario Cornejo-Olivas
- Neurogenetics Working Group, Universidad Científica del Sur, Lima, Peru
- Neurogenetics Research Center, Instituto Nacional de Ciencias Neurologicas, Lima, Peru
| | - Nilton Custodio
- Unidad de Diagnóstico de Deterioro Cognitivo y Prevención de Demencia, Instituto Peruano de Neurociencias, Lima, Peru
- Escuela Profesional de Medicina Humana, Universidad Privada San Juan Bautista, Lima, Peru
| | - Andrés Damian
- Departamento de Montevideo, Centro Uruguayo de Imagenología Molecular (CUDIM) and Unidad Académica de Medicina Nuclear e Imagenología Molecular, Hospital de Clínicas, Universidad de la República (UdelaR), Montevideo, Montevideo, Uruguay
| | - Leonardo Cruz de Souza
- Programa de Pós-Graduação em Neurociências, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
- Departamento de Clínica Médica da Faculdade de Medicina da UFMG, Belo Horizonte, MG, Brazil
| | - Claudia Duran-Aniotz
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, Santiago, Chile
- Center for Social and Cognitive Neuroscience (CSCN), School of Psychology, Universidad Adolfo Ibañez, Santiago, Chile
| | - Adolfo M García
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, Santiago, Chile
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, California, USA
- Cognitive Neuroscience Center, Universidad de San Andrés, Victoria, Provincia de Buenos Aires, Argentina
- Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile
| | | | - Mitzi M Gonzales
- Department of Neurology, Cedars Sinai Medical Center, Los Angeles, California, USA
- Glenn Biggs Institute, UT Health San Antonio, San Antonio, Texas, USA
| | - Lea T Grinberg
- Department of Neurology and Pathology, University of California San Francisco (UCSF), San Francisco, California, USA
- Department of Pathology, University of Sao Paulo, São Paulo, São Paulo, Brazil
| | - Agustin M Ibanez
- Latin American Brain Health Institute (BrainLat), Universidad Adolfo Ibañez, Santiago, Chile
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, California, USA
- Global Brain Health Institute (GBHI), University of Trinity Dublin, Lloyd Building Trinity College Dublin, Dublin, Ireland
- Cognitive Neuroscience Center (CNC), Universidad de San Andrés, and CONICET, Victoria, Argentina
- Trinity College Dublin (TCD), College Green, Dublin, Ireland
| | - Maryenela Zaida Illanes-Manrique
- Neurogenetics Working Group, Universidad Científica del Sur, Lima, Peru
- Neurogenetics Research Center, Instituto Nacional de Ciencias Neurologicas, Lima, Peru
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, California, USA
| | | | - Jorge Mario Leon-Salas
- Departamento de Investigación Clínica, Life Science Research Institute, Hospital Clinica Biblica, San José, Costa Rica
| | - Jorge J Llibre-Guerra
- Dominantly Inherited Alzheimer's Network Trials Unit, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Neurology, Washington University School of Medicine in St.Louis, St. Louis, Missouri, USA
| | - José Luna-Muñoz
- Banco Nacional de Cerebros-UNPHU, Universidad Nacional Pedro Henríquez Ureña, Santo Domingo, Dominican Republic
- National Dementia BioBank, Dirección de Investigación, Innovación y Posgrado, Universidad Politécnica de Pachuca, Zempoala, México
- Federación Mexicana de Alzheimer (FEDMA), México, CDMX, Mexico
| | - Diana Matallana
- Pontificia Universidad Javeriana, Medical School, Aging Institute, Hospital Universitario San Ignacio, Bogotá, Colombia
- Memory and Cognition Center, Intellectus, Hospital Universitario San Ignacio, Bogotá, Colombia
- Mental Health Department, Hospital Universitario Fundación Santa Fe, Bogotá, Colombia
| | - Bruce L Miller
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, California, USA
- Department of Neurology, Memory and Aging Center, University of California San Francisco (UCSF), San Francisco, California, USA
| | - Lorina Naci
- Global Brain Health Institute (GBHI), University of Trinity Dublin, Lloyd Building Trinity College Dublin, Dublin, Ireland
- Trinity College Institute of Neuroscience, Trinity College Dublin, College Green, Dublin, Ireland
| | - Mario A Parra
- Department of Psychological Sciences and Health, University of Strathclyde, Glasgow, UK
| | - Margaret Pericak-Vance
- John P Hussman Institute for Human Genomics, Miller School of Medicine, University of Miami, Coral Gables, Florida, USA
- Dr. John T Macdonald Foundation, Department of Human Genetics, University of Miami Miller School of Medicine, Coral Gables, Florida, USA
| | - Stefanie D Piña-Escudero
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, California, USA
- Global Brain Health Institute (GBHI), University of Trinity Dublin, Lloyd Building Trinity College Dublin, Dublin, Ireland
- Department of Neurology, Memory and Aging Center, University of California San Francisco (UCSF), San Francisco, California, USA
| | - Elisa de Paula França Resende
- Global Brain Health Institute (GBHI), University of California San Francisco (UCSF), San Francisco, California, USA
- Global Brain Health Institute (GBHI), University of Trinity Dublin, Lloyd Building Trinity College Dublin, Dublin, Ireland
- Universidade Federal de Minas Gerais, Faculdade de Medicina Ciências Médicas de Minas Gerais, Hospital das Clínicas - EBSERH-UFMG, Belo Horizonte, Brazil
| | - John M Ringman
- Department of Neurology, Alzheimer's Disease Research Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | | | - Andrea Slachevsky
- Geroscience Center for Brain Health and Metabolism (GERO), Santiago, Chile
- Memory and Neuropsychiatric Center (CMYN), Neurology Department, Hospital del Salvador & Faculty of Medicine, University of Chile, Santiago de Chile, Chile
- Neuropsychology and Clinical Neuroscience Laboratory (LANNEC), Physiopathology Program - Institute of Biomedical Sciences (ICBM), Neuroscience and East Neuroscience Departments, Faculty of Medicine, University of Chile, Santiago de Chile, Chile
- Servicio de Neurología, Departamento de Medicina, Clínica Alemana-Universidad del Desarrollo, Las Condes, Chile
| | - Claudia Kimie Suemoto
- Division of Geriatrics, University of Sao Paulo Medical School, São Paulo, São Paulo, Brazil
| | - Victor Valcour
- Department of Neurology, University of California San Francisco (UCSF), San Francisco, California, USA
| | - Andres Villegas-Lanau
- Grupo de Neurociencias (GNA), Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - Mônica S Yassuda
- Department of Neurology, Cognitive and Behavioral Group, University of Sao Paulo, São Paulo, São Paulo, Brazil
- Gerontology, School of Arts, Sciences and Humanities, University of Sao Paulo, São Paulo, São Paulo, Brazil
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López-Rivera JJ, Rodríguez-Salazar L, Soto-Ospina A, Estrada-Serrato C, Serrano D, Chaparro-Solano HM, Londoño O, Rueda PA, Ardila G, Villegas-Lanau A, Godoy-Corredor M, Cuartas M, Vélez JI, Vidal OM, Isaza-Ruget MA, Arcos-Burgos M. Structural Protein Effects Underpinning Cognitive Developmental Delay of the PURA p.Phe233del Mutation Modelled by Artificial Intelligence and the Hybrid Quantum Mechanics–Molecular Mechanics Framework. Brain Sci 2022; 12:brainsci12070871. [PMID: 35884678 PMCID: PMC9313109 DOI: 10.3390/brainsci12070871] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/21/2022] [Accepted: 06/24/2022] [Indexed: 02/06/2023] Open
Abstract
A whole-exome capture and next-generation sequencing was applied to an 11 y/o patient with a clinical history of congenital hypotonia, generalized motor and cognitive neurodevelopmental delay, and severe cognitive deficit, and without any identifiable Syndromic pattern, and to her parents, we disclosed a de novo heterozygous pathogenic mutation, c.697_699del p.Phe233del (rs786204835)(ACMG classification PS2, PM1, PM2, PP5), harbored in the PURA gene (MIM*600473) (5q31.3), associated with Autosomal Dominant Mental Retardation 31 (MIM # 616158). We used the significant improvement in the accuracy of protein structure prediction recently implemented in AlphaFold that incorporates novel neural network architectures and training procedures based on the evolutionary, physical, and geometric constraints of protein structures. The wild-type (WT) sequence and the mutated sequence, missing the Phe233, were reconstructed. The predicted local Distance Difference Test (lDDT) for the PURAwt and the PURA–Phe233del showed that the occurrence of the Phe233del affects between 220–320 amino acids. The distortion in the PURA structural conformation in the ~5 Å surrounding area after the p.Phe233del produces a conspicuous disruption of the repeat III, where the DNA and RNA helix unwinding capability occurs. PURA Protein–DNA docking corroborated these results in an in silico analysis that showed a loss of the contact of the PURA–Phe233del III repeat domain model with the DNA. Together, (i) the energetic and stereochemical, (ii) the hydropathic indexes and polarity surfaces, and (iii) the hybrid Quantum Mechanics–Molecular Mechanics (QM–MM) analyses of the PURA molecular models demarcate, at the atomic resolution, the specific surrounding region affected by these mutations and pave the way for future cell-based functional analysis. To the best of our knowledge, this is the first report of a de novo mutation underpinning a PURA syndrome in a Latin American patient and highlights the importance of predicting the molecular effects in protein structure using artificial intelligence algorithms and molecular and atomic resolution stereochemical analyses.
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Affiliation(s)
- Juan Javier López-Rivera
- INPAC Research Group, Fundación Universitaria Sanitas, Bogotá 111321, Colombia;
- Grupo de Genética Médica, Clínica Universitaria Colombia y Clínica Pediátrica Colsanitas, Bogotá 111321, Colombia; (C.E.-S.); (D.S.); (H.M.C.-S.); (O.L.)
- Correspondence: (J.J.L.-R.); (M.A.-B.)
| | - Luna Rodríguez-Salazar
- Grupo de Bioinformática, Laboratorio de Clínica Colsanitas, Bogotá 110221, Colombia; (L.R.-S.); (P.A.R.); (G.A.)
| | - Alejandro Soto-Ospina
- Genética Molecular (GenMol), Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia, Medellín 050012, Colombia; (A.S.-O.); (A.V.-L.)
| | - Carlos Estrada-Serrato
- Grupo de Genética Médica, Clínica Universitaria Colombia y Clínica Pediátrica Colsanitas, Bogotá 111321, Colombia; (C.E.-S.); (D.S.); (H.M.C.-S.); (O.L.)
| | - David Serrano
- Grupo de Genética Médica, Clínica Universitaria Colombia y Clínica Pediátrica Colsanitas, Bogotá 111321, Colombia; (C.E.-S.); (D.S.); (H.M.C.-S.); (O.L.)
| | - Henry Mauricio Chaparro-Solano
- Grupo de Genética Médica, Clínica Universitaria Colombia y Clínica Pediátrica Colsanitas, Bogotá 111321, Colombia; (C.E.-S.); (D.S.); (H.M.C.-S.); (O.L.)
| | - Olga Londoño
- Grupo de Genética Médica, Clínica Universitaria Colombia y Clínica Pediátrica Colsanitas, Bogotá 111321, Colombia; (C.E.-S.); (D.S.); (H.M.C.-S.); (O.L.)
| | - Paula A. Rueda
- Grupo de Bioinformática, Laboratorio de Clínica Colsanitas, Bogotá 110221, Colombia; (L.R.-S.); (P.A.R.); (G.A.)
| | - Geraldine Ardila
- Grupo de Bioinformática, Laboratorio de Clínica Colsanitas, Bogotá 110221, Colombia; (L.R.-S.); (P.A.R.); (G.A.)
| | - Andrés Villegas-Lanau
- Genética Molecular (GenMol), Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia, Medellín 050012, Colombia; (A.S.-O.); (A.V.-L.)
- Grupo de Neurociencias de Antioquia (GNA), Facultad de Medicina, Universidad de Antioquia, Medellín 050012, Colombia
| | | | - Mauricio Cuartas
- Grupo de Investigación Estudios en Psicología, Departamento de Psicología, Escuela de Humanidades, Universidad EAFIT, Medellín 050022, Colombia;
| | - Jorge I. Vélez
- Universidad del Norte, Barranquilla 080001, Colombia; (J.I.V.); (O.M.V.)
| | - Oscar M. Vidal
- Universidad del Norte, Barranquilla 080001, Colombia; (J.I.V.); (O.M.V.)
| | | | - Mauricio Arcos-Burgos
- Grupo de Investigación en Psiquiatría (GIPSI), Departamento de Psiquiatría, Instituto de Investigaciones Médicas, Facultad de Medicina, Universidad de Antioquia, Medellín 050012, Colombia
- Correspondence: (J.J.L.-R.); (M.A.-B.)
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