Biomolecular features of inflammation in obese rheumatoid arthritis patients: management considerations

Elisa Gremese, Barbara Tolusso, Stefano Alivernini, Maria Rita Gigante, Gianfranco Ferraccioli

Risultato della ricerca: Contributo in rivistaArticolo in rivista

10 Citazioni (Scopus)

Abstract

Adipose tissue is an active organ playing a role not only in metabolism but also in immune and inflammatory processes, releasing several pro-inflammatory mediators. This can explain the possible association between obesity and rheumatoid arthritis (RA) and its role in the progression of the disease. Adipose and synovial tissues share common histological features of local inflammation in terms of activation of target tissues infiltrating cells (i.e. myeloid cells). Among the so-called adipocytokines, PEDF and Chemerin orchestrate the cellular cross-talk between adipose and myeloid cells, being possible biomarkers to monitor the effect of weight loss or the decrease of adipose tissue in patients with RA. Moreover, dietary intervention has been demonstrated to reduce Chemerin as well as IL-6 and MCP-1 expression. Finally, epigenetic regulators such as micro-RNAs (i.e. miR-155) are key regulators of myeloid cells activation in RA and obesity as well as in adipocytes. In this review, we will summarize the biological link between obesity/overweight state and RA focusing on pathophysiological mechanisms, consequences and management considerations.
Lingua originaleEnglish
pagine (da-a)1-12
Numero di pagine12
RivistaExpert Review of Clinical Immunology
DOI
Stato di pubblicazionePubblicato - 2016

Keywords

  • Rheumatoid arthritis
  • adipocytokines
  • adipose tissue
  • inflammation
  • myeloid cells
  • treatment response
  • weight loss

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