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Coskun Benlidayi I. Why is polymyalgia rheumatica a disease of older adults? Explanations through etiology and pathogenesis: a narrative review. Clin Rheumatol 2024; 43:851-861. [PMID: 37470883 DOI: 10.1007/s10067-023-06708-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 06/23/2023] [Accepted: 07/16/2023] [Indexed: 07/21/2023]
Abstract
Polymyalgia rheumatica is one of the most common inflammatory rheumatic conditions in older adults. The disease is characterized by pain and stiffness in the shoulder and pelvic girdle. Polymyalgia rheumatica is almost always observed in adults over the age of 50. The current article aimed to provide explanations for the age preference of polymyalgia rheumatica by reviewing the literature regarding disease etiology and pathogenesis. Potential factors related to the association between polymyalgia rheumatica and aging include immunosenescence/inflammaging, increased risk of infections by aging, endocrinosenescence, and age-related changes in gut microbiota. These factors and their potential contributions to immune-mediated inflammation will be discussed.
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Affiliation(s)
- Ilke Coskun Benlidayi
- Faculty of Medicine, Department of Physical Medicine and Rehabilitation, Cukurova University, Adana, Turkey.
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Cassotta M, Forbes-Hernandez TY, Cianciosi D, Elexpuru Zabaleta M, Sumalla Cano S, Dominguez I, Bullon B, Regolo L, Alvarez-Suarez JM, Giampieri F, Battino M. Nutrition and Rheumatoid Arthritis in the 'Omics' Era. Nutrients 2021; 13:763. [PMID: 33652915 PMCID: PMC7996781 DOI: 10.3390/nu13030763] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/16/2021] [Accepted: 02/24/2021] [Indexed: 02/07/2023] Open
Abstract
Modern high-throughput 'omics' science tools (including genomics, transcriptomics, proteomics, metabolomics and microbiomics) are currently being applied to nutritional sciences to unravel the fundamental processes of health effects ascribed to particular nutrients in humans and to contribute to more precise nutritional advice. Diet and food components are key environmental factors that interact with the genome, transcriptome, proteome, metabolome and the microbiota, and this life-long interplay defines health and diseases state of the individual. Rheumatoid arthritis (RA) is a chronic autoimmune disease featured by a systemic immune-inflammatory response, in genetically susceptible individuals exposed to environmental triggers, including diet. In recent years increasing evidences suggested that nutritional factors and gut microbiome have a central role in RA risk and progression. The aim of this review is to summarize the main and most recent applications of 'omics' technologies in human nutrition and in RA research, examining the possible influences of some nutrients and nutritional patterns on RA pathogenesis, following a nutrigenomics approach. The opportunities and challenges of novel 'omics technologies' in the exploration of new avenues in RA and nutritional research to prevent and manage RA will be also discussed.
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Affiliation(s)
- Manuela Cassotta
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, 39011 Santander, Spain; (M.C.); (M.E.Z.); (S.S.C.); (I.D.)
| | - Tamara Y. Forbes-Hernandez
- Nutrition and Food Science Group, Department of Analytical and Food Chemistry, CITACA, CACTI, University of Vigo, 36310 Vigo, Spain;
| | - Danila Cianciosi
- Department of Clinical Sciences, Faculty of Medicine, Polytechnic University of Marche, 60131 Ancona, Italy; (D.C.); (L.R.)
| | - Maria Elexpuru Zabaleta
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, 39011 Santander, Spain; (M.C.); (M.E.Z.); (S.S.C.); (I.D.)
| | - Sandra Sumalla Cano
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, 39011 Santander, Spain; (M.C.); (M.E.Z.); (S.S.C.); (I.D.)
| | - Irma Dominguez
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, 39011 Santander, Spain; (M.C.); (M.E.Z.); (S.S.C.); (I.D.)
| | - Beatriz Bullon
- Department of Periodontology, Dental School, University of Sevilla, 41004 Sevilla, Spain;
| | - Lucia Regolo
- Department of Clinical Sciences, Faculty of Medicine, Polytechnic University of Marche, 60131 Ancona, Italy; (D.C.); (L.R.)
| | - Josè Miguel Alvarez-Suarez
- AgroScience & Food Research Group, Universidad de Las Américas, Quito 170125, Ecuador;
- King Fahd Medical Research Center, King Abdulaziz University, Jedda 21589, Saudi Arabia
| | - Francesca Giampieri
- Department of Clinical Sciences, Faculty of Medicine, Polytechnic University of Marche, 60131 Ancona, Italy; (D.C.); (L.R.)
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Maurizio Battino
- Department of Clinical Sciences, Faculty of Medicine, Polytechnic University of Marche, 60131 Ancona, Italy; (D.C.); (L.R.)
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang 212013, China
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The multifaceted functional role of DNA methylation in immune-mediated rheumatic diseases. Clin Rheumatol 2020; 40:459-476. [PMID: 32613397 DOI: 10.1007/s10067-020-05255-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 06/15/2020] [Accepted: 06/22/2020] [Indexed: 12/22/2022]
Abstract
Genomic predisposition cannot explain the onset of complex diseases, as well illustrated by the largely incomplete concordance among monozygotic twins. Epigenetic mechanisms, including DNA methylation, chromatin remodelling and non-coding RNA, are considered to be the link between environmental stimuli and disease onset on a permissive genetic background in autoimmune and chronic inflammatory diseases. The paradigmatic cases of rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), systemic sclerosis (SSc), Sjogren's syndrome (SjS) and type-1 diabetes (T1D) share the loss of immunological tolerance to self-antigen influenced by several factors, with a largely incomplete role of individual genomic susceptibility. The most widely investigated epigenetic mechanism is DNA methylation which is associated with gene silencing and is due to the binding of methyl-CpG binding domain (MBD)-containing proteins, such as MECP2, to 5-methylcytosine (5mC). Indeed, a causal relationship occurs between DNA methylation and transcription factors occupancy and recruitment at specific genomic locus. In most cases, the results obtained in different studies are controversial in terms of DNA methylation comparison while fascinating evidence comes from the comparison of the epigenome in clinically discordant monozygotic twins. In this manuscript, we will review the mechanisms of epigenetics and DNA methylation changes in specific immune-mediated rheumatic diseases to highlight remaining unmet needs and to identify possible shared mechanisms beyond different tissue involvements with common therapeutic opportunities. Key Points • DNA methylation has a crucial role in regulating and tuning the immune system. • Evidences suggest that dysregulation of DNA methylation is pivotal in the context of immune-mediated rheumatic diseases. • DNA methylation dysregulation in FOXP3 and interferons-related genes is shared within several autoimmune diseases. • DNA methylation is an attractive marker for diagnosis and therapy.
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Abstract
The incidence and prevalence of rheumatologic conditions are increasing and the rheumatology workforce must be aware of aging-specific issues. This article reviews specific barriers to understanding the biology of aging and aging-related mechanisms that may underlie development of rheumatologic diseases in older adults. It summarizes gaps in the assessment, outcomes measurement, and treatment of these diseases in this unique population. It also highlights potential solutions to these barriers and suggests possible ways to bridge the gap, from a research and education standpoint, so that clinicians can be better prepared to effectively manage older adults with rheumatologic conditions.
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van Steenbergen HW, Luijk R, Shoemaker R, Heijmans BT, Huizinga TWJ, van der Helm-van Mil AHM. Differential methylation within the major histocompatibility complex region in rheumatoid arthritis: a replication study. Rheumatology (Oxford) 2014; 53:2317-8. [DOI: 10.1093/rheumatology/keu380] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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Abstract
Rheumatic disease is a large spectrum of heterogeneous conditions affecting the loco-motor system including joints, muscles, connective tissues, and soft tissues around the joints and bones. Many rheumatic diseases have an element of autoimmunity including systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA). Aberrant epigenetic regulation of gene expression is emerging as a major factor within rheumatic disease, and indicates potential new therapeutic avenues of approach to these debilitating conditions. Understanding the precise role of epigenetics in the development and treatment of rheumatic diseases particularly those which have an associated autoimmune element may be important for the long-term management of such conditions.
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