Related Experiment Video
Updated: Jun 4, 2026

In Vivo Biosensor Tracks Non-apoptotic Caspase Activity in Drosophila
Published on: November 27, 2016
Caspase signaling in animal development
1Laboratory for Histogenetic Dynamics, RIKEN Center for Developmental Biology, Kobe, 650-0047, Japan. kuranaga@cdb.riken.jp
Abstract:
The caspases are a family of cysteine proteases that function as central regulators of cell death. Recent investigations in Caenorhabditis elegans, Drosophila, and mice indicate that caspases are essential not only in controlling the number of cells involved in sculpting or deleting structures in developing animals, but also in dynamic cell processes such as cell-fate determination, compensatory proliferation of neighboring cells, and actin cytoskeleton reorganization, in a non-apoptotic context during development. This review focuses primarily on caspase functions involving their enzymatic activity.
Insights
Caspases, crucial cysteine proteases, regulate cell death and non-apoptotic developmental processes like cell fate and cytoskeleton organization. This review highlights their enzymatic roles in development.
Area of Science:
- Molecular Biology
- Developmental Biology
- Cell Biology
Background:
- Caspases are cysteine proteases central to apoptosis.
- Recent studies reveal broader roles in animal development.
Purpose of the Study:
- To review caspase functions beyond cell death.
- To focus on the enzymatic activity of caspases in development.
Main Methods:
- Literature review of studies in model organisms (C. elegans, Drosophila, mice).
- Analysis of research on caspase-mediated non-apoptotic processes.
Main Results:
- Caspases control cell number during development (sculpting/deletion).
- Caspases are involved in cell-fate determination.
- Caspases regulate compensatory proliferation and actin cytoskeleton reorganization.
- These non-apoptotic functions are critical during development.
Conclusions:
- Caspases possess critical enzymatic functions in development beyond apoptosis.
- Understanding these roles is key to comprehending developmental processes.
Related Concept Videos
Caspases
Cellular Injury V: Apoptosis and Autophagy
Notch Signaling Pathway
The Notch gene came into the limelight in 1914 after the discovery that its mutation in Drosophila melanogaster leads to a serrated (or "notched") wing margin phenotype. It was not until 1985...
Notch Signaling Pathway
The Notch gene came into the limelight in 1914 after the discovery that its mutation in Drosophila melanogaster leads to a serrated (or "notched") wing margin phenotype. It was not until 1985...
MAPK Signaling Cascades
Hedgehog Signaling Pathway

