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Sircana MC, Erre GL, Castagna F, Manetti R. Crosstalk between Inflammation and Atherosclerosis in Rheumatoid Arthritis and Systemic Lupus Erythematosus: Is There a Common Basis? Life (Basel) 2024; 14:716. [PMID: 38929699 PMCID: PMC11204900 DOI: 10.3390/life14060716] [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: 05/01/2024] [Revised: 05/24/2024] [Accepted: 05/28/2024] [Indexed: 06/28/2024] Open
Abstract
Cardiovascular disease is the leading cause of morbidity and mortality in patients with rheumatoid arthritis and systemic lupus erythematosus. Traditional cardiovascular risk factors, although present in lupus and rheumatoid arthritis, do not explain such a high burden of early cardiovascular disease in the context of these systemic connective tissue diseases. Over the past few years, our understanding of the pathophysiology of atherosclerosis has changed from it being a lipid-centric to an inflammation-centric process. In this review, we examine the pathogenesis of atherosclerosis in systemic lupus erythematosus and rheumatoid arthritis, the two most common systemic connective tissue diseases, and consider them as emblematic models of the effect of chronic inflammation on the human body. We explore the roles of the inflammasome, cells of the innate and acquired immune system, neutrophils, macrophages, lymphocytes, chemokines and soluble pro-inflammatory cytokines in rheumatoid arthritis and systemic lupus erythematosus, and the roles of certain autoantigens and autoantibodies, such as oxidized low-density lipoprotein and beta2-glycoprotein, which may play a pathogenetic role in atherosclerosis progression.
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Affiliation(s)
| | | | | | - Roberto Manetti
- Department of Medical, Surgical and Pharmacology, University of Sassari, 07100 Sassari, Italy; (G.L.E.); (F.C.)
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Neamțu M, Bild V, Vasincu A, Arcan OD, Bulea D, Ababei DC, Rusu RN, Macadan I, Sciucă AM, Neamțu A. Inflammasome Molecular Insights in Autoimmune Diseases. Curr Issues Mol Biol 2024; 46:3502-3532. [PMID: 38666950 PMCID: PMC11048795 DOI: 10.3390/cimb46040220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 04/15/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
Autoimmune diseases (AIDs) emerge due to an irregular immune response towards self- and non-self-antigens. Inflammation commonly accompanies these conditions, with inflammatory factors and inflammasomes playing pivotal roles in their progression. Key concepts in molecular biology, inflammation, and molecular mimicry are crucial to understanding AID development. Exposure to foreign antigens can cause inflammation, potentially leading to AIDs through molecular mimicry triggered by cross-reactive epitopes. Molecular mimicry emerges as a key mechanism by which infectious or chemical agents trigger autoimmunity. In certain susceptible individuals, autoreactive T or B cells may be activated by a foreign antigen due to resemblances between foreign and self-peptides. Chronic inflammation, typically driven by abnormal immune responses, is strongly associated with AID pathogenesis. Inflammasomes, which are vital cytosolic multiprotein complexes assembled in response to infections and stress, are crucial to activating inflammatory processes in macrophages. Chronic inflammation, characterized by prolonged tissue injury and repair cycles, can significantly damage tissues, thereby increasing the risk of AIDs. Inhibiting inflammasomes, particularly in autoinflammatory disorders, has garnered significant interest, with pharmaceutical advancements targeting cytokines and inflammasomes showing promise in AID management.
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Affiliation(s)
- Monica Neamțu
- Department of Pharmacodynamics and Clinical Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania; (M.N.); (V.B.); (O.D.A.); (D.B.); (D.-C.A.); (R.-N.R.); (I.M.)
| | - Veronica Bild
- Department of Pharmacodynamics and Clinical Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania; (M.N.); (V.B.); (O.D.A.); (D.B.); (D.-C.A.); (R.-N.R.); (I.M.)
- Center of Biomedical Research of the Romanian Academy, 8 Carol I Avenue, 700506 Iasi, Romania
| | - Alexandru Vasincu
- Department of Pharmacodynamics and Clinical Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania; (M.N.); (V.B.); (O.D.A.); (D.B.); (D.-C.A.); (R.-N.R.); (I.M.)
| | - Oana Dana Arcan
- Department of Pharmacodynamics and Clinical Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania; (M.N.); (V.B.); (O.D.A.); (D.B.); (D.-C.A.); (R.-N.R.); (I.M.)
| | - Delia Bulea
- Department of Pharmacodynamics and Clinical Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania; (M.N.); (V.B.); (O.D.A.); (D.B.); (D.-C.A.); (R.-N.R.); (I.M.)
| | - Daniela-Carmen Ababei
- Department of Pharmacodynamics and Clinical Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania; (M.N.); (V.B.); (O.D.A.); (D.B.); (D.-C.A.); (R.-N.R.); (I.M.)
| | - Răzvan-Nicolae Rusu
- Department of Pharmacodynamics and Clinical Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania; (M.N.); (V.B.); (O.D.A.); (D.B.); (D.-C.A.); (R.-N.R.); (I.M.)
| | - Ioana Macadan
- Department of Pharmacodynamics and Clinical Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania; (M.N.); (V.B.); (O.D.A.); (D.B.); (D.-C.A.); (R.-N.R.); (I.M.)
| | - Ana Maria Sciucă
- Department of Oral Medicine, Oral Dermatology, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania
| | - Andrei Neamțu
- Department of Physiology, “Grigore T. Popa” University of Medicine and Pharmacy, 16 Universitatii Street, 700115 Iasi, Romania;
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Shumnalieva R, Kotov G, Ermencheva P, Monov S. Pathogenic Mechanisms and Therapeutic Approaches in Obesity-Related Knee Osteoarthritis. Biomedicines 2023; 12:9. [PMID: 38275369 PMCID: PMC10812969 DOI: 10.3390/biomedicines12010009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 12/10/2023] [Accepted: 12/14/2023] [Indexed: 01/27/2024] Open
Abstract
The knee is the joint most frequently involved in osteoarthritis, a common joint disorder in the adult population that is associated with significant chronic joint pain, reduced mobility and quality of life. Recent studies have established an association between obesity and the development of knee osteoarthritis that goes beyond the increased mechanical load on the knees as weight-bearing joints. This link is based on the maintenance of a chronic low-grade inflammation, altered secretion of adipokines by the adipose tissue and development of sarcopenia. Major adipokines involved in the pathogenesis of obesity-related knee osteoarthritis include adiponectin, which appears to have a protective effect, as well as leptin, resistin and visfatin, which are associated with higher pain scores and more severe structural damage. Joint pain in knee osteoarthritis may be both nociceptive and neuropathic and is the result of complex mechanisms driven by nerve growth factor, calcitonin gene-related peptide and pro-inflammatory cytokines. The role of endogenous cannabinoids and gut microbiota in common mechanisms between obesity and knee pain has recently been studied. The aim of the present review is to highlight major pathogenic mechanisms in obesity-related knee osteoarthritis with special attention on pain and to comment on possible therapeutic approaches.
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Affiliation(s)
- Russka Shumnalieva
- Department of Rheumatology, Medical University of Sofia, 1431 Sofia, Bulgaria; (R.S.); (S.M.)
- Clinic of Rheumatology, University Hospital ‘St. Ivan Rilski’, 1612 Sofia, Bulgaria;
| | - Georgi Kotov
- Department of Rheumatology, Medical University of Sofia, 1431 Sofia, Bulgaria; (R.S.); (S.M.)
- Clinic of Rheumatology, University Hospital ‘St. Ivan Rilski’, 1612 Sofia, Bulgaria;
| | - Plamena Ermencheva
- Clinic of Rheumatology, University Hospital ‘St. Ivan Rilski’, 1612 Sofia, Bulgaria;
| | - Simeon Monov
- Department of Rheumatology, Medical University of Sofia, 1431 Sofia, Bulgaria; (R.S.); (S.M.)
- Clinic of Rheumatology, University Hospital ‘St. Ivan Rilski’, 1612 Sofia, Bulgaria;
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