Mechanisms controlling pancreatic islet cell function in insulin secretion

JE Campbell, CB Newgard - Nature reviews Molecular cell biology, 2021 - nature.com
Metabolic homeostasis in mammals is tightly regulated by the complementary actions of
insulin and glucagon. The secretion of these hormones from pancreatic β-cells and α-cells …

GIPR/GLP-1R dual agonist therapies for diabetes and weight loss—chemistry, physiology, and clinical applications

JE Campbell, TD Müller, B Finan, RD DiMarchi… - Cell metabolism, 2023 - cell.com
The incretin system is an essential metabolic axis that regulates postprandial metabolism.
The two incretin peptides that enable this effect are the glucose-dependent insulinotropic …

The incretin co-agonist tirzepatide requires GIPR for hormone secretion from human islets

K El, JD Douros, FS Willard, A Novikoff, A Sargsyan… - Nature …, 2023 - nature.com
The incretins glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide
1 (GLP-1) mediate insulin responses that are proportionate to nutrient intake to facilitate …

How may GIP enhance the therapeutic efficacy of GLP-1?

RJ Samms, MP Coghlan, KW Sloop - Trends in Endocrinology & …, 2020 - cell.com
Glucagon-like peptide-1 (GLP-1) receptor agonists improve glucose homeostasis, reduce
bodyweight, and over time benefit cardiovascular health in type 2 diabetes mellitus (T2DM) …

Incretin hormones: Their role in health and disease

MA Nauck, JJ Meier - Diabetes, Obesity and Metabolism, 2018 - Wiley Online Library
Incretin hormones are gut peptides that are secreted after nutrient intake and stimulate
insulin secretion together with hyperglycaemia. GIP (glucose‐dependent insulinotropic …

G protein-coupled receptors: a century of research and discovery

S Liu, PJ Anderson, S Rajagopal, RJ Lefkowitz… - Circulation …, 2024 - ahajournals.org
GPCRs (G protein-coupled receptors), also known as 7 transmembrane domain receptors,
are the largest receptor family in the human genome, with≈ 800 members. GPCRs regulate …

Glucose-dependent insulinotropic polypeptide regulates body weight and food intake via GABAergic neurons in mice

A Liskiewicz, A Khalil, D Liskiewicz, A Novikoff… - Nature …, 2023 - nature.com
The development of single-molecule co-agonists for the glucagon-like peptide-1 (GLP-1)
receptor (GLP-1R) and glucose-dependent insulinotropic polypeptide (GIP) receptor (GIPR) …

[HTML][HTML] The glucose-dependent insulinotropic polypeptide (GIP) regulates body weight and food intake via CNS-GIPR signaling

Q Zhang, CT Delessa, R Augustin, M Bakhti, G Colldén… - Cell metabolism, 2021 - cell.com
Uncertainty exists as to whether the glucose-dependent insulinotropic polypeptide receptor
(GIPR) should be activated or inhibited for the treatment of obesity. Gipr was recently …

Insulin secretion depends on intra-islet glucagon signaling

B Svendsen, O Larsen, MBN Gabe, CB Christiansen… - Cell reports, 2018 - cell.com
The intra-islet theory states that glucagon secretion is suppressed when insulin secretion is
stimulated, but glucagon's role in intra-islet paracrine regulation is controversial. This study …

Gut hormone-based pharmacology: novel formulations and future possibilities for metabolic disease therapy

M Tschöp, R Nogueiras, B Ahrén - Diabetologia, 2023 - Springer
Abstract Glucagon-like peptide-1 (GLP-1) receptor agonists are established pharmaceutical
therapies for the treatment of type 2 diabetes and obesity. They mimic the action of GLP-1 to …