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Updated: Dec 4, 2025

Homogeneous Time-resolved Förster Resonance Energy Transfer-based Assay for Detection of Insulin Secretion
Published on: May 10, 2018
Insulin secretion: The nitric oxide controversy.
Sevda Gheibi1, Asghar Ghasemi2
1Department of Clinical Sciences in Malmö, Unit of Molecular Metabolism, Lund University Diabetes Centre, Clinical Research Center, Malmö University Hospital, Lund University, Malmö, Sweden.
Nitric oxide (NO), a signaling gas, has complex effects on insulin secretion from the pancreas. Its concentration, controlled by nitric oxide synthase (NOS) isoforms, can either stimulate or inhibit insulin release, impacting diabetes management.
Area of Science:
- Endocrinology
- Molecular Biology
- Physiology
Background:
- Nitric oxide (NO) is a critical signaling molecule in various physiological processes.
- In the endocrine pancreas, NO influences insulin synthesis and secretion.
- The precise role of NO in insulin secretion remains debated, with conflicting reports of stimulatory and inhibitory effects.
Purpose of the Study:
- To review the multifaceted role of nitric oxide in regulating insulin secretion.
- To explore the reasons behind the contradictory findings on NO's effects on insulin release.
- To highlight the therapeutic potential of understanding the NO system in diabetes management.
Main Methods:
- Literature review of existing studies on nitric oxide and insulin secretion.
- Analysis of data concerning different nitric oxide synthase (NOS) isoforms.
- Discussion of concentration-dependent effects of NO on pancreatic beta-cells.
Main Results:
- Nitric oxide's impact on insulin secretion is concentration-dependent.
- Different isoforms of nitric oxide synthase (NOS) contribute to either increased or decreased insulin secretion.
- The balance of NO production and signaling is crucial for glucose homeostasis.
Conclusions:
- The dual role of nitric oxide in insulin secretion necessitates further investigation.
- Understanding the NO system offers potential for novel diabetes therapeutic strategies.
- Targeting NO pathways could lead to improved glycemic control in diabetic patients.
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