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Active GLP-1 protein secondary structure includes two α-helices from amino acid position 13–20 and 24–35 separated by a linker region. Alongside glucose-dependent insulinotropic peptide (GIP), GLP-1 is an incretin; thus, it has the ability to decrease blood sugar levels in a glucose-dependent manner by enhancing the secretion of insulin ...
Exendin-4, an FDA-approved antidiabetic glucagon-like peptide 1 (GLP-1) receptor agonist, has been tested in mice with the mutated human huntingtin protein showing neurodegenerative changes, motor dysfunction, poor energy metabolism, and high blood glucose levels. Exendin-4 (Ex-4) treatment reduced the accumulation of mutated human huntingtin ...
Diabetes mellitus (DM) is a type of metabolic disease characterized by hyperglycemia. It is caused by either defected insulin secretion or damaged biological function, or both. The high-level blood glucose for a long time will lead to dysfunction of a variety of tissues. [1]
The polyol metabolic pathway. [6]Cells use glucose for energy.This normally occurs by phosphorylation from the enzyme hexokinase. However, if large amounts of glucose are present (as in diabetes mellitus), hexokinase becomes saturated and the excess glucose enters the polyol pathway when aldose reductase reduces it to sorbitol.
The connecting peptide, or C-peptide, is a short 31-amino-acid polypeptide that connects insulin's A-chain to its B-chain in the proinsulin molecule. In the context of diabetes or hypoglycemia, a measurement of C-peptide blood serum levels can be used to distinguish between different conditions with similar clinical features.
Insulin biosynthesis is regulated by transcriptional and translational levels. The β-cells promote their protein transcription in response to nutrients. The exposure of rat Langerhans islets to glucose for 1 hour is able to remarkably induce the intracellular proinsulin levels. It was noted that the proinsulin mRNA remained stable.
Not all patients with diabetes go on to develop diabetic nephropathy. The main risk factors that increase the likelihood of developing diabetic nephropathy are: [2] Poor control of blood glucose; Uncontrolled high blood pressure; Type 1 diabetes mellitus, with onset before age 20; Past or current cigarette use [18]
n/a Ensembl n/a n/a UniProt n a n/a RefSeq (mRNA) n/a n/a RefSeq (protein) n/a n/a Location (UCSC) n/a n/a PubMed search n/a n/a Wikidata View/Edit Human Glucagon is a peptide hormone, produced by alpha cells of the pancreas. It raises the concentration of glucose and fatty acids in the bloodstream and is considered to be the main catabolic hormone of the body. It is also used as a medication ...