Related Experiment Video
Updated: Oct 3, 2025

A Method for Mouse Pancreatic Islet Isolation and Intracellular cAMP Determination
Published on: June 25, 2014
G protein-coupled receptors as regulators of pancreatic islet functionality
1Rudolf Schönheimer Institute of Biochemistry, Medical Faculty, Leipzig University, Johannisallee 30, 04103 Leipzig, Germany.
This study explores G protein-coupled receptors (GPCRs) in pancreatic islets, revealing their role in hormone secretion and cell replication. Targeting GPCRs presents a potential therapeutic strategy for diabetes mellitus.
Area of Science:
- Endocrinology
- Molecular Biology
- Genomics
Background:
- Glucose homeostasis is crucial for preventing diseases like diabetes mellitus.
- Pancreatic islet hormone secretion is regulated by complex G protein-coupled receptors (GPCRs).
- GPCR signaling influences islet cell replication and proliferation.
Purpose of the Study:
- To identify the G protein-coupled receptor (GPCR) expression profile in human and mouse pancreatic islets.
- To discuss the impact of GPCR signaling on normal islet functionality.
Main Methods:
- Analysis of available RNA sequencing (RNAseq) datasets from human and mouse islets.
Main Results:
- Identification of specific G protein-coupled receptors (GPCRs) expressed in pancreatic islets.
- Insights into the role of GPCR signaling pathways in regulating islet cell function.
Conclusions:
- G protein-coupled receptors (GPCRs) are key regulators of pancreatic islet function.
- Targeting GPCRs offers a promising therapeutic avenue for managing glucose homeostasis and related diseases like diabetes mellitus.
Related Concept Videos
Glucose Homeostasis: Pancreatic Islets and Insulin Secretion
Insulin and C-peptide are...
GPCRs Regulate Adenylyl Cylase Activity
G Protein-coupled Receptors
GPCRs are also called heptahelical, 7TM, or serpentine receptors, and consist of seven (H1-H7) transmembrane alpha-helices that span the bilayer to form a cylindrical core. The transmembrane helices are connected by three extracellular loops and three...
Insulin: The Receptor and Signaling Pathways
Hormones Regulating Blood Glucose
In addition to accelerating glucose uptake and utilization, insulin has...
cAMP-dependent Protein Kinase Pathways

