Molecular phenotyping of patient chondrocytes reveals genes and pathways involved in osteoarthritis (original) (raw)
2017, Osteoarthritis and Cartilage
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Understanding the role of chondrocytes in osteoarthritis: utilizing proteomics
Expert Review of Proteomics, 2019
Introduction: Proteomic analyses have been acknowledged to carry a significant prospective in elucidating the pathogenesis of several diseases, including osteoarthritis (OA). But it hasn't been an easy road: major technical issues, mainly derived from the complex and rigid nature of the cartilage tissue, had to be faced; an obstacle that led to the development of different approaches. Areas covered: In this review, we categorized the proteomic studies undertaken (proteomic analyses of the cartilage, cartilage explants, cultured chondrocytes and chondrocytes' secretome) as are part of the different strategies developed in order to overcome tissue and disease specific challenges. Essentially these approaches aimed at identifying differences in the proteome of healthy vs diseased tissue. Our aim was to point out the novel players that have emerged from these analyses and highlight the associated mechanism(s) suggested to play a role in the pathogenesis of OA. Expert Commentary: The identified factors indicate the implication of age-associated mechanisms, such as metabolic deregulation, inflammation and redox imbalance, in OA onset and/or progression. Taken together these results outline the causal network of the disease and place chondrocytes' senescence at the center of the emerging aetiopathological atlas.
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