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Serum chemerin in patients with rheumatoid arthritis: can it unravel the Chimera of concomitant type 2 diabetes?

Dimitrios Ioannis Patoulias

First Department of Internal Medicine, Hippokration General Hospital, Thessaloniki, Greece
Data publikacji online: 2020/08/31
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Dear Editor,

I read with great interest the results of the recently published case-control study conducted by Mohammed Ali et al., enrolling subjects with rheumatoid arthritis (RA) and assessing the diagnostic implications of serum chemerin and visfatin [1]. The authors demonstrated that serum chemerin exhibits good sensitivity and specificity for the diagnosis of RA (sensitivity = 88.1%, specificity = 75.9%, for a cut-off value of 187.88 ng/ml), while it significantly correlates with duration of RA, disease activity and major lipid parameters, reflecting an association with systemic inflammation and potentially with atherosclerosis [1].

Former studies have documented that chemerin might be a predictor of type 2 diabetes mellitus (T2DM) development, after adjustment for significant confounding variables [2, 3]. In addition, recent data suggest that among patients with established T2DM diagnosis, chemerin shows a significant positive correlation with body mass index and insulin resistance [4]. Other studies have provided insights into the significant, positive correlation between circulating chemerin levels and either microvascular complications or subclinical atherosclerosis in patients with T2DM, adding to its prognostic value [57].

Since RA patients have an increased risk for developing T2DM [8] and have comparable risk for cardiovascular disease development with diabetic subjects [9], it would be interesting to know whether serum chemerin levels in the cohort of Mohammed Ali et al. correlated with T2DM status at baseline or even with glycemic indices, such as fasting plasma glucose, especially after noting that mean body mass index classified the enrolled subjects as overweight (28.11 ±2.27 kg/m<sup>2</sup>).

Identification of a positive association between serum chemerin levels and diabetes status or glycemic indices among patients with RA could provide further diagnostic and prognostic implications in clinical practice, in terms of risk stratification and treatment strategy in this sensitive population.


[1] Conflicts of interest The author declares no conflict of interest.



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Copyright: © 2020 Narodowy Instytut Geriatrii, Reumatologii i Rehabilitacji w Warszawie. This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) License (http://creativecommons.org/licenses/by-nc-sa/4.0/), allowing third parties to copy and redistribute the material in any medium or format and to remix, transform, and build upon the material, provided the original work is properly cited and states its license.
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