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Aranda-Uribe IS, Ramírez-Bello J, Victoria-Acosta G, Muñoz-González F, Barbosa-Cobos RE, Moreno J. No association of eight TNFAIP3 single nucleotide variants to rheumatoid arthritis in Mexicans. Mol Biol Rep 2022; 49:11193-11199. [DOI: 10.1007/s11033-022-07855-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 07/18/2022] [Accepted: 08/11/2022] [Indexed: 11/30/2022]
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de Aguiar BRL, Ferreira EB, Normando AGC, Guerra ENS, Assad DX, Mazzeu JF, dos Reis PED. Single nucleotide polymorphisms to predict acute radiation dermatitis in breast cancer patients: A systematic review and meta-analysis. Crit Rev Oncol Hematol 2022; 173:103651. [DOI: 10.1016/j.critrevonc.2022.103651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 02/12/2022] [Accepted: 03/07/2022] [Indexed: 11/24/2022] Open
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Castro-Santos P, Olloquequi J, Verdugo RA, Gutiérrez MA, Pinochet C, Quiñones LA, Díaz-Peña R. HLA-DRB1*07:01 and * 08:02 Alleles Confer a Protective Effect Against ACPA-Positive Rheumatoid Arthritis in a Latin American Admixed Population. BIOLOGY 2020; 9:biology9120467. [PMID: 33327594 PMCID: PMC7765073 DOI: 10.3390/biology9120467] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/11/2020] [Accepted: 12/13/2020] [Indexed: 06/12/2023]
Abstract
HLA-DRB1 shared epitope (SE) alleles are important genetic contributors for the risk of developing anti-citrullinated protein antibodies (ACPA)-positive rheumatoid arthritis (RA), particularly in Caucasians. We aimed to analyze the contribution of HLA-DRB1 alleles and single nucleotide polymorphisms (SNPs) within the major histocompatibility complex (MHC) region to the susceptibility to develop ACPA-positive RA in a Latin American (LA) population with admixed ancestry. A total of 289 ACPA-positive RA patients and 510 controls were enrolled in this study. The presence of HLA-DRB1*04:01, *09:01 and *10:01 was increased in ACPA-positive RA patients compared with healthy controls (p < 0.0001, p < 0.001 and p < 0.01, respectively), whereas DRB1*07:01 and *08:02 was associated with a decreased risk of ACPA-positive RA (p < 0.001 and p < 0.01, respectively). These results showed a strong correlation with estimates from studies in Asians but not in Caucasian populations. The present study describes the protective effects of the HLA-DRB1*07:01 and *08:02 alleles in ACPA-positive RA patients in a LA population for the first time. Identifying relationships between HLA-DRB1 alleles and RA is important for identifying disease associations in different ethnic groups in order to reach a better understanding of RA worldwide.
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Affiliation(s)
- Patricia Castro-Santos
- Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Talca 3460000, Chile; (P.C.-S.); (J.O.)
- Inmunología, Centro de Investigaciones Biomédicas (CINBIO), Universidad de Vigo, 36310 Vigo, Spain
| | - Jordi Olloquequi
- Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Talca 3460000, Chile; (P.C.-S.); (J.O.)
| | - Ricardo A. Verdugo
- Programa de Genética Humana, ICBM, Facultad de Medicina, Universidad de Chile, Santiago 8389100, Chile;
- Departamento de Oncología Básico-Clínico, Facultad de Medicina, Universidad de Chile, Santiago 8389100, Chile
| | - Miguel A. Gutiérrez
- Rheumatology, Almirante Nef Naval Hospital, Viña del Mar, Valparaíso 2340000, Chile;
- School of Medicine, Valparaíso University, Valparaíso 2340000, Chile
| | | | - Luis A. Quiñones
- Laboratory of Chemical Carcinogenesis and Pharmacogenetics, Department of Basic-Clinical Oncology, Faculty of Medicine, University of Chile, Santiago 8320000, Chile
- Latin American Network for Implementation and Validation of Clinical Pharmacogenomics Guidelines (RELIVAF-CYTED), 28015 Madrid, Spain
| | - Roberto Díaz-Peña
- Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Talca 3460000, Chile; (P.C.-S.); (J.O.)
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Latin American Genes: The Great Forgotten in Rheumatoid Arthritis. J Pers Med 2020; 10:jpm10040196. [PMID: 33114702 PMCID: PMC7711650 DOI: 10.3390/jpm10040196] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/19/2020] [Accepted: 10/24/2020] [Indexed: 11/28/2022] Open
Abstract
The successful implementation of personalized medicine will rely on the integration of information obtained at the level of populations with the specific biological, genetic, and clinical characteristics of an individual. However, because genome-wide association studies tend to focus on populations of European descent, there is a wide gap to bridge between Caucasian and non-Caucasian populations before personalized medicine can be fully implemented, and rheumatoid arthritis (RA) is not an exception. In this review, we discuss advances in our understanding of genetic determinants of RA risk among global populations, with a focus on the Latin American population. Geographically restricted genetic diversity may have important implications for health and disease that will remain unknown until genetic association studies have been extended to include Latin American and other currently under-represented ancestries. The next few years will witness many breakthroughs in personalized medicine, including applications for common diseases and risk stratification instruments for targeted prevention/intervention strategies. Not all of these applications may be extrapolated from the Caucasian experience to Latin American or other under-represented populations.
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