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. 2020 Jul 17;19(2):959-966.
doi: 10.1007/s40200-020-00588-z. eCollection 2020 Dec.

Serum cytokine dependent hematopoietic cell linker (CLNK) as a predictor for the duration of illness in type 2 diabetes mellitus

Suhaer Zeki Al-Fadhel  1 , Nibras H Abdulsada Al-Ghuraibawi  2 , Dunia M Mohammed Ali  3 , Hussein Kadhem Al-Hakeim  4
Affiliations

Serum cytokine dependent hematopoietic cell linker (CLNK) as a predictor for the duration of illness in type 2 diabetes mellitus

Suhaer Zeki Al-Fadhel et al. J Diabetes Metab Disord. .

Abstract

Type 2 diabetes mellitus (T2DM) is an endocrine illness associated with various changes in the immune system and adaptor protein levels. Cytokine dependent hematopoietic cell linker (CLNK) is an adapter protein that regulates immune receptor signaling and acts as a regulator of the receptor signaling of T-cells and natural killer cells. The role of CLNK in T2DM is not studied previously. In the present study, serum CLNK level was measured and correlated with some sociodemographic and insulin resistance (IR) parameters. To achieve these goals, we measured CLNK level and insulin parameters (glucose, insulin, HbA1c, in addition to the calculation of the functions of IR (HOMA2IR), insulin sensitivity (HOMA%S), and beta-cell function (HOMA%B)) in 60 T2DM patients and 30 controls. The results indicated a significant increase (p < 0.05) in serum CLNK in patients group in comparison with the controls. Multivariate generalized linear model (GLM) analysis revealed no significant effect of age, BMI, and sex on the CLNK level. The results of tests for between-subjects showed that the CLNK affects diagnosis significantly (F = 7.445, p = 0.008, partial η2 = 0.081) and its effect is approximately the same as the effect of insulin (F = 8.107, p = 0.006, partial η2 = 0.087). The correlation study showed a highly significant positive correlation between CLNK and the duration of disease (rho = 0.420, p < 0.001). It can be concluded that the increase CLNK in T2DM revealing the role of the adaptor proteins level in the progression of the disease and may act as a predictor for diabetes complications, which deserves more investigations.

Keywords: Adaptor proteins; CLNK; Cytokines; Diabetes Mellitus; Insulin resistance.

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Conflict of interest statement

Conflict of interestThe authors declare that there is no conflict of interest.

Figures

Fig. 1
Fig. 1
The correlation between CLNK and duration of disease in the T2DM patients’ group
Fig. 2
Fig. 2
Distribution of mean CLNK according to the periods of duration of T2DM disease
See this image and copyright information in PMC

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