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Mini-Reviews in Medicinal Chemistry

Editor-in-Chief

ISSN (Print): 1389-5575
ISSN (Online): 1875-5607

Review Article

Current Insight on the Role of Glucokinase and Glucokinase Regulatory Protein in Diabetes

Author(s): Ajita Paliwal, Vartika Paliwal, Smita Jain, Sarvesh Paliwal and Swapnil Sharma*

Volume 24, Issue 7, 2024

Published on: 12 September, 2023

Page: [674 - 688] Pages: 15

DOI: 10.2174/1389557523666230823151927

Price: $65

Abstract

The glucokinase regulator (GCKR) gene encodes an inhibitor of the glucokinase enzyme (GCK), found only in hepatocytes and responsible for glucose metabolism. A common GCKR coding variation has been linked to various metabolic traits in genome-wide association studies. Rare GCKR polymorphisms influence GKRP activity, expression, and localization. Despite not being the cause, these variations are linked to hypertriglyceridemia. Because of their crystal structures, we now better understand the molecular interactions between GKRP and the GCK. Finally, small molecules that specifically bind to GKRP and decrease blood sugar levels in diabetic models have been identified. GCKR allelic spectrum changes affect lipid and glucose homeostasis. GKRP dysfunction has been linked to a variety of molecular causes, according to functional analysis. Numerous studies have shown that GKRP dysfunction is not the only cause of hypertriglyceridemia, implying that type 2 diabetes could be treated by activating liver-specific GCK via small molecule GKRP inhibition. The review emphasizes current discoveries concerning the characteristic roles of glucokinase and GKRP in hepatic glucose metabolism and diabetes. This information has influenced the growth of directed molecular therapies for diabetes, which has improved our understanding of lipid and glucose physiology.

Keywords: Glucokinase, glucokinase regulator, glucokinase regulatory protein, glucose homeostasis, diabetes therapy, hypertriglyceridemia.

Graphical Abstract
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