The role of adiponectin gene mediated by NF-κB signaling pathway in the pathogenesis of type 2 diabetes

OBJECTIVE: To investigate the role of adiponectin (ADPN) gene mediated by NF-κB signaling pathway in the pathogenesis of type 2 diabetes (T2DM).

PATIENTS AND METHODS: The levels of expression of ADPN were measured by fluorescence quantitative PCR technology, enzyme-linked immunosorbent assay, Western-blotting and immunohistochemistry in 78 patients with type 2 diabetes.

RESULTS: Compared with the normal population, the levels of expression of ADPN and NF-κB mRNA in the blood of patients with type 2 diabetes were significantly reduced (p < 0.05). The detection of ADPN gene protein expression in normal population and patients with type 2 diabetes by enzyme-linked immunosorbent assay showed that ADPN gene protein expression in type 2 diabetic patients (1.26 ± 0.73) µg/l was significantly lower (p < 0.05) than ADPN gene protein expression of the normal population (3.26 ± 1.25) µg/l. At the same time, the detection of the expression of NF-κB gene showed that the protein expression in type 2 diabetic patients (0.58 ± 0.15) µg/l was significantly lower (p < 0.05) than that in the normal population (1.67 ± 1.04) µg/l. The results of Western-blotting were consistent with the results of enzyme-linked immunosorbent assay. Immunohistochemical results also showed that the percentage of ADPN positive cells in patients with type 2 diabetes (25.47%) was significantly lower (p < 0.05) than that in the normal population (79.47%).

CONCLUSIONS: ADPN gene in the human body can be involved in the pathogenesis of T2DM through the NF-κB signaling pathway.

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