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Related Experiment Video

Updated: Jul 6, 2026

Sustained Administration of β-cell Mitogens to Intact Mouse Islets Ex Vivo Using Biodegradable Poly(lactic-co-glycolic acid) Microspheres

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Published on: November 5, 2016

When BAD is good for beta cells.

Louis H Philipson¹, Michael W Roe

¹Department of Medicine, University of Chicago, Chicago, IL 60637, USA. l-philipson@uchicago.edu

Cell Metabolism

|April 9, 2008

Summary

The protein BAD, a key regulator of apoptosis, plays a dual role in insulin secretion and beta cell mass. Its function is controlled by phosphorylation, influencing glucose metabolism.

Area of Science:

Molecular biology
Cell biology
Endocrinology

Background:

The Bcl-2-associated death promoter (BAD) protein is a crucial regulator of apoptosis.
BAD's activity is modulated through phosphorylation.
Previous research indicates a role for BAD in cellular regulation.

Purpose of the Study:

To investigate the phosphorylation-dependent, bifunctional role of BAD.
To explore BAD's involvement in glucose-stimulated insulin secretion.
To determine BAD's impact on pancreatic beta cell mass.

Main Methods:

Phosphorylation state analysis of BAD.
Assessment of insulin secretion in response to glucose.
Evaluation of beta cell mass dynamics.

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Sustained Administration of β-cell Mitogens to Intact Mouse Islets Ex Vivo Using Biodegradable Poly(lactic-co-glycolic acid) Microspheres

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Published on: November 5, 2016

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Analysis of Beta-cell Function Using Single-cell Resolution Calcium Imaging in Zebrafish Islets

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Main Results:

BAD exhibits a phosphorylation-state-dependent bifunctional role.
Specific phosphorylation states of BAD influence glucose-stimulated insulin secretion.
BAD activity correlates with changes in beta cell mass.

Conclusions:

BAD's phosphorylation status is critical for its dual function in beta cells.
Targeting BAD phosphorylation may offer therapeutic strategies for diabetes.
BAD is a key player in maintaining beta cell homeostasis and function.