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Adv Clin Chem ; 100: 37-90, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-33453867

RESUMO

A sharp rise in osteoarthritis (OA) incidence is expected as over 25% of world population ages in the coming decade. Although OA is considered a degenerative disease, mounting evidence suggests a strong connection with chronic metabolic conditions and low-grade inflammation. OA pathology is increasingly understood as a complex interplay of multiple pathological events including oxidative stress, synovitis and immune responses revealing its intricate nature. Cellular, biochemical and molecular aspects of these pathological events along with major outcomes of the relevant research studies in this area are discussed in the present review. With reference to their published and unpublished work, the authors strongly propose synovitis as a central OA pathology and the key OA pathological events are described in connection with it. Recent research outcomes also have succeeded to establish a linkage between metabolic syndrome and OA, which has been precisely included in the present review. Impact of aging process cannot be neglected in OA. Cell senescence is an important mechanism of aging through which it facilitates development of OA like other degenerative disorders, also discussed within a frame of OA. Conclusively, the reviewers urge low-grade inflammation linked to aging and derailed immune function as a pathological platform for OA development and progression. Thus, interventions targeted to prevent inflammaging hold a promising potential in effective OA management and efforts should be invested in this direction.


Assuntos
Osteoartrite/fisiopatologia , Animais , Citocinas/imunologia , Citocinas/metabolismo , Humanos , Inflamação/imunologia , Inflamação/metabolismo , Inflamação/fisiopatologia , Osteoartrite/imunologia , Osteoartrite/metabolismo , Estresse Oxidativo , Espécies Reativas de Oxigênio/metabolismo
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