LEPR Db Mouse Modello di diabete di tipo 2: pancreas isolamento Islet e live-cella 2-Photon Imaging di isolotti Intact

Overview

This protocol details the isolation of islets from the Lepr db mouse model of type 2 diabetes and a live-cell assay for measuring insulin secretion using two-photon microscopy.

Key Study Components

Area of Science

• Neuroscience
• Endocrinology
• Cell Biology

Background

• Type 2 diabetes is characterized by impaired insulin secretion.
• Islets of Langerhans are critical for insulin production.
• Two-photon microscopy allows for detailed imaging of cellular processes.
• Understanding insulin secretion mechanisms is vital for diabetes research.

Purpose of Study

• To isolate viable islets from diabetic mice.
• To assess insulin secretion from beta cells within the islets.
• To utilize advanced imaging techniques for real-time analysis.

Methods Used

• Preparation of enzyme mixture for pancreas digestion.
• Injection of enzyme into the pancreas of euthanized mice.
• Separation and culturing of islets from pancreatic digest.
• Application of two-photon microscopy to image insulin granule fusions.

Main Results

• Successful isolation of living islets from Lepr db mice.
• Effective imaging of insulin secretion events in real-time.
• Insights into the regulation of insulin release from beta cells.
• Potential implications for understanding diabetes pathology.

Conclusions

• This protocol enhances the understanding of insulin secretion mechanisms.
• It provides a valuable tool for diabetes research.
• Future studies can build on these findings to explore therapeutic strategies.

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