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Eur Rev Med Pharmacol Sci. 2012 Feb;16(2):176-82.

Study of the role of interleukin-6 and highly sensitive C-reactive protein in diabetic nephropathy in type 1 diabetic patients.

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Department of Internal Medicine, Endocrine Unit, School of Medicine, Ain Shams University, Cairo, Egypt.



Diabetes Mellitus (DM) is becoming an increasingly common disease which is the leading cause of chronic renal failure. The pathogenesis of diabetic nephropathy is still a matter of debate. There are conflicting results regarding the relation of C reactive protein (CRP), interleukin-6 (IL-6) and diabetic nephropathy in type 1 diabetes.


This study was aiming to determine the association between higly sensitive (Hs)-CRP and IL6 with nephropathy in a sample of type 1 diabetic Egyptian patients.


The study was conducted on forty type-1 diabetic patients (Group I), who subdivided into three subgroups according to their urine albumin excretion rate (AER); Group IA: 10 patients with AER <20 microg/min, Group IB: 15 patients with AER ranges from 20-200 microg/min. Group IC: 15 patients with AER is > 200 microg/min and 10 healthy subjects as a control (Group II).


There were high statistical significant difference (p < 0.001) between group I with group II regarding HsCRP (4.39 +/- 1.94, 1.32 +/- 0.39), and IL-6 (2.82 +/- 0.76, 1.95 +/- 0.35). In group I, we found a positive significant correlation (p < 0 .001) between UAE and levels of Hs-CRP (r = 0.927), and IL-6 (r = 0.838), respectively. Also, a positive significant correlation between Hs-CRP and IL-6 (r = 0.728, p < 0.001) was found. Fasting plasma glucose (FPG) level and HbA1c showed a significant positive correlation (p < 0.001) with Hs-CRP (r = 0.531) (r = 0.750), and IL-6 (r = 0. 490) (r = 0.680) respectively.


Hs-CRP and IL-6 are sensitive markers for diabetic nephropathy predicting its progression and severity in type 1 diabetics.

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