Title : L-Arginine prevents cereblon-mediated ubiquitination of glucokinase and stimulates glucose-6-phosphate production in pancreatic β-cells.

Pub. Date : 2020 Sep 8

PMID : 32901087






8 Functional Relationships(s)
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1 L-Arginine prevents cereblon-mediated ubiquitination of glucokinase and stimulates glucose-6-phosphate production in pancreatic beta-cells. Arginine glucokinase Homo sapiens
2 Glucokinase (GCK), the key regulator of GSIS and a disease-causing gene of maturity-onset diabetes of the young type 2 (MODY2), was found to bind L-arginine. Arginine glucokinase Homo sapiens
3 Glucokinase (GCK), the key regulator of GSIS and a disease-causing gene of maturity-onset diabetes of the young type 2 (MODY2), was found to bind L-arginine. Arginine glucokinase Homo sapiens
4 Glucokinase (GCK), the key regulator of GSIS and a disease-causing gene of maturity-onset diabetes of the young type 2 (MODY2), was found to bind L-arginine. Arginine glucokinase Homo sapiens
5 We analyzed glucokinase mutants and identified three glutamate residues that mediate binding to L-arginine. Arginine glucokinase Homo sapiens
6 One MODY2 patient with GCKE442* demonstrated lower C-peptide-to-glucose ratio after arginine administration. Arginine glucokinase Homo sapiens
7 In addition, we elucidated that the binding of arginine protects glucokinase from degradation by E3 ubiquitin ligase cereblon mediated ubiquitination. Arginine glucokinase Homo sapiens
8 We conclude that L-arginine induces insulin secretion by increasing G6P production by glucokinase through direct stimulation and by prevention of degradation. Arginine glucokinase Homo sapiens