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Research

THE ROLE OF ADIPOKINES IN TENDINOPATHY: A SYSTEMATIC REVIEW

The 27th Annual Meeting of the European Orthopaedic Research Society (EORS), Maastricht, The Netherlands, 2–4 October 2019.



Abstract

Adipose tissue releases several bioactive peptides and hormones, like adipokines that promote a low inflammatory systemic state. Inflammation, affecting the tendon homeostasis, could play a role in tendon disease development as well as in the healing process. Obese patients show a dysregulated level of adipokines and considering the higher mechanical demand, this relates to higher incidence of tendinopathies among these subjects.

A systematic review was performed searching PubMed, Embase and Cochrane Library databases. Inclusion criteria were studies of any level of evidence published in peer-reviewed journals reporting clinical or preclinical results. Evaluated data were extracted and critically analysed. PRISMA guidelines were applied, and risk of bias was assessed, as was the methodological quality of the included studies. We excluded all the articles with high risk of bias and/or low quality after the assessment.

After applying the previously described criteria, we included 12 articles assessed as medium or high quality. Leptin, others adipokines and in general changes in the hormones delicate equilibrium affect the tendon either qualitatively and/or quantitatively. The evidence still lacks consensus on their role which is probably involved in both anabolic and catabolic pathways.

The role of adipokines in the structure and healing of tendons is still debated. Further studies are needed to clarify the relation between deregulated levels of adipokines and the development of tendinopathy. A better understanding of the molecular interactions could allow us to individuate future therapeutic targets.


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