Levels of pro-Inflammatory Mediators CRP, IL-1β and IL-6 in Alkaptonuria Patients

Eman Albataineh, Mohammed Al-Sbou, Sameeh Al-Sarayreh, Ibrahim Al-Tarawneh, Nedal Alnawaiseh


Data regarding the levels of inflammatory mediators in patients suffering of the rare disease Alkaptonuria are limited. C-reactive protein (CRP), Interleukin-1 Beta (IL-1β) and Interleukin-6 (IL-6) are acute-phase markers associated with joint inflammation. The aim of the present study is to compare the serum levels of the pro-inflammatory mediators, CRP, IL-1β and IL-6 in alkaptonuria patients (n = 17) with those measured for age-matched healthy controls (n = 17). Moreover, we attempt to determine the association between cytokine levels with the disease severity score and age using the Spearman correlation and multiple linear regression. The results show that the serum concentrations of the IL-1 β, IL-6 and CRP are higher in AKU patients compared with healthy controls, with a significant difference in IL-6 (p = 0.02). Moreover, a positive correlation is found between the patients' serum IL-6 and patients' age and the AKU Severity Score(ro= 0.73 and 0.7, respectively; p < 0.05). Thus, the patients' IL-6 serum levels can predict the disease severity score in alkaptonuria patients (p < 0.05). These findings suggest that the IL-6 might play a role in the pathogenesis of inflammation in AKU patients and thus targeting it may be one mode of treatment in future. However, these findings need to be supported by further studies, conducted on a larger sample of patients.

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DOI: https://doi.org/10.5296/jbls.v6i1.6445


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