Related Experiment Video
Updated: Aug 8, 2025

Homogeneous Time-resolved Förster Resonance Energy Transfer-based Assay for Detection of Insulin Secretion
Published on: May 10, 2018
First-phase insulin secretion: can its evaluation direct therapeutic approaches?
Gianfranco Di Giuseppe1, Gea Ciccarelli1, Laura Soldovieri1
1Endocrinologia e Diabetologia, Fondazione Policlinico Universitario Agostino Gemelli Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy; Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Rome, Italy.
Impaired first-phase insulin secretion is key in type 2 diabetes mellitus (T2DM) progression, impacting glucose control and beta cell health. Understanding this defect aids in managing hyperglycemia and developing new therapeutic strategies.
Area of Science:
- Endocrinology
- Metabolic Diseases
- Diabetes Research
Background:
- Type 2 Diabetes Mellitus (T2DM) is a complex metabolic disorder characterized by hyperglycemia.
- Beta-cell dysfunction, specifically impaired insulin secretion, plays a critical role in T2DM pathogenesis.
- The significance of first-phase insulin secretion in the natural history and management of T2DM requires further elucidation.
Purpose of the Study:
- To investigate the role of first-phase insulin secretion in T2DM.
- To explore the relationship between impaired secretion, insulin resistance, and beta-cell function/mass.
- To review therapeutic strategies for early secretory defects and beta-cell restoration.
Main Methods:
- Review of human and animal data.
- Pathophysiological analysis of glucose homeostasis.
- Exploration of clinical and preclinical evidence.
Main Results:
- Impaired first-phase insulin secretion significantly impacts glucose homeostasis and contributes to postmeal hyperglycemia in T2DM.
- This defect is closely linked to insulin resistance and alterations in beta-cell function and mass.
- Dietary and pharmacological interventions show potential for improving early secretory defects.
Conclusions:
- First-phase insulin secretion is a crucial factor in T2DM development and progression.
- Understanding and targeting early secretory defects offers a promising avenue for T2DM management.
- Further research into detecting and treating these defects is warranted for improved patient outcomes.
Related Concept Videos
Insulin: Dosing Regimen and Adverse Effects
The basal dose constitutes about 40%-50% of the total daily dose, with the rest as premeal insulin. The mealtime insulin dose should mirror...
Insulin Formulations: Types and Delivery
Short-acting insulins are divided into...
Glucose Homeostasis: Pancreatic Islets and Insulin Secretion
Insulin and C-peptide are...
Glucagon-like Receptor Agonists
GLP-1, when administered in high doses intravenously, triggers insulin secretion, inhibits glucagon release, slows gastric emptying, reduces food intake, and restores normal insulin secretion. However, its rapid inactivation by...
Diabetes: Management and Pharmacotherapy
Insulin remains the cornerstone of treatment for most patients with type 1 and many...
Insulin: Biosynthesis, Chemistry, and Preparation
Damage or functional impairment of β-cells inhibits insulin production, leading to diabetes. Diabetes treatment...

