alexa High levels of circulating interleukin-10 in diabetic nephropathy patients.
Genetics & Molecular Biology

Genetics & Molecular Biology

Journal of Molecular and Genetic Medicine

Author(s): Myliwska J, Zorena K, SemetkowskaJurkiewicz E, Racho D, Suchanek H,

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Abstract AIMS: The aim of our study was to analyse the level of circulating interleukin-10 (IL-10) and relate it to the grade of albuminuria in patients with diabetic nephropathy (DN) due to type 1 diabetes mellitus (DM). Since IL-10 has met the criteria for an anti-inflammatory and an immunosuppressive cytokine, its activity may be important for clinical outcome of DN. METHODS: The IL-10 level was measured by ELISA in serum samples from thirty patients with DN due to type 1 DM, and compared with thirty patients with type 1 DM without DN and a control group of thirty, healthy, age- and sex-matched people. RESULTS: We observed a greatly elevated concentration of circulating IL-10 in 30/30 DM patients with DN (mean 140 pg/mL +/- 102), compared to DM patients without DN in whom IL-10 was detectable in only 11/30 patients (0.79 pg/mL +/- 1.24), and the group of healthy people in whom IL-10 was detectable in only 3/30 donors (0.92 pg/mL +/- 0.17). IL-10 appeared to be the strongest independent predictor of albuminuria, followed by HbA1c, diastolic blood pressure and DN duration. There was a positive correlation between the values of IL-10 and albuminuria in DM patients with DN. The patients in the fourth quartile of albuminuria had a distinctly higher concentration of IL-10 than those in the lower quartiles. CONCLUSIONS: The increased concentration of IL-10 in the serum samples from DM patients with DN seems to depend on the severity of the nephropathy. The excessive IL-10 production may indirectly contribute towards DN progression. On the other hand, it may explain the relatively long course of diabetic nephropathy.
This article was published in Eur Cytokine Netw and referenced in Journal of Molecular and Genetic Medicine

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