Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Diabetes Induced Renal Complications by Leukocyte Activation of Nuclear Factor κ-B and its Regulated Genes Expression

Version 1 : Received: 1 September 2020 / Approved: 2 September 2020 / Online: 2 September 2020 (09:46:10 CEST)

How to cite: Darwish, N.; Elnahas, Y.; AlQahtany, F. Diabetes Induced Renal Complications by Leukocyte Activation of Nuclear Factor κ-B and its Regulated Genes Expression. Preprints 2020, 2020090038 (doi: 10.20944/preprints202009.0038.v1). Darwish, N.; Elnahas, Y.; AlQahtany, F. Diabetes Induced Renal Complications by Leukocyte Activation of Nuclear Factor κ-B and its Regulated Genes Expression. Preprints 2020, 2020090038 (doi: 10.20944/preprints202009.0038.v1).

Abstract

Type 2 diabetes mellitus (T2D) is a metabolic disorder characterized by inappropriate insulin function. Despite wide progress in genome studies, defects in gene expression for diabetes prognosis still incompletely identified. Prolonged hyperglycemia activates NF-κB, which is a main player in vascular dysfunctions of diabetes. Activated NF-κB, triggers expression of various genes that promote inflammation and cell adhesion process. Alteration of pro-inflammatory and profibrotic gene expression contribute to the irreversible functional and structural changes in the kidney resulting in diabetic nephropathy (DN). To identify the effect of some important NF-κB related genes on mediation of DN progression, we divided our candidate genes on the basis of their function exerted in bloodstream into three categories (Proinflammatory; NF-κB, IL-1B, IL-6, TNF-α and VEGF); (Profibrotic; FN, ICAM-1, VCAM-1) and (Proliferative; MAPK-1 and EGF). We analyzed their expression profile in leukocytes of patients and explored their correlation to diabetic kidney injury features. Our data revealed the overexpression of both proinflammatory and profibrotic genes in DN group when compared to T2D group and were associated positively with each other in DN group indicating their possible role in DN progression. In DN patients, increased expression of proinflammatory genes correlated positively with glycemic control and inflammatory markers indicating their role in DN progression. Our data revealed that the persistent activation NF-κB and its related genes observed in hyperglycemia might contribute to DN progression and might be a good diagnostic and therapeutic target for DN progression. Large-scale studies are needed to evaluate the potential of these molecules to serve as disease biomarkers.

Subject Areas

NF-κB; IL-1β; IL-6; VEGF; TNF-α; FN; ICAM-1; VCAM-1

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