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Related Concept Videos

Caspases01:24

Caspases

Caspase, a family of cysteine proteases, serve as effectors in apoptosis. The ced3 gene in C.elegans was first identified to be involved in apoptosis. This gene encodes the ced-3 caspase that is similar to the interleukin-1-beta converting enzyme or ICE in mammals. In addition to apoptosis, caspases also function in the inflammatory response. Inflammatory caspases are essential in activating pro-inflammatory cytokines that recruit immune cells and block the replication of pathogens inside cells.
Cellular Injury V: Apoptosis and Autophagy01:22

Cellular Injury V: Apoptosis and Autophagy

Cells respond to damage and stress through highly coordinated processes that decide whether they survive or undergo controlled self-destruction. Two major pathways involved in this regulation are apoptosis, a type of programmed cell death, and autophagy, a survival mechanism that helps cells adapt to adverse conditions.ApoptosisApoptosis removes aged or injured cells to maintain tissue balance. During this process, the cell shrinks, chromatin condenses and fragments, and membrane-bound...
Notch Signaling Pathway03:14

Notch Signaling Pathway

The Notch signaling pathway is a major intracellular signaling pathway that is highly conserved over a broad spectrum of metazoan species. It stands unique from other intracellular signaling mechanisms in animals because notch protein itself acts as the receptor as well as the primary signaling molecule.
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 Pathway03:14

Notch Signaling Pathway

The Notch signaling pathway is a major intracellular signaling pathway that is highly conserved over a broad spectrum of metazoan species. It stands unique from other intracellular signaling mechanisms in animals because notch protein itself acts as the receptor as well as the primary signaling molecule.
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 Cascades01:07

MAPK Signaling Cascades

Mitogen-activated protein kinase, or MAPK pathway, activates three sequential kinases to regulate cellular responses such as proliferation, differentiation, survival, and apoptosis. The canonical MAPK pathway starts with a mitogen or growth factor binding to an RTK. The activated RTKs stimulate Ras, which recruits Raf or MAP3 Kinase (MAPKKK), the first kinase of the MAPK signaling cascade. Raf further phosphorylates and activates MEK or MAP2 Kinases (MAPKK), which in turn phosphorylates MAP...
Hedgehog Signaling Pathway02:33

Hedgehog Signaling Pathway

The Hedgehog gene (Hh) was first discovered due to its control of the growth of disorganized, hair-like bristles phenotype in Drosophila, much like hedgehog spines. Hh plays a crucial role in the development of organs and the maintenance of homeostasis in both invertebrates and vertebrates. However, while Drosophila has only one Hh protein, mammals have multiple functional Hedgehog proteins - Sonic (Shh), Desert (Dhh), and Indian Hedgehog (Ihh). All of these homologous proteins have adapted to...

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Related Experiment Video

Updated: Jun 4, 2026

In Vivo Biosensor Tracks Non-apoptotic Caspase Activity in Drosophila
13:21

In Vivo Biosensor Tracks Non-apoptotic Caspase Activity in Drosophila

Published on: November 27, 2016

Caspase signaling in animal development.

Erina Kuranaga1

  • 1Laboratory for Histogenetic Dynamics, RIKEN Center for Developmental Biology, Kobe, 650-0047, Japan. kuranaga@cdb.riken.jp

Development, Growth & Differentiation
|February 23, 2011
PubMed
Summary

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.

More Related Videos

Detecting Anastasis In Vivo by CaspaseTracker Biosensor
20:16

Detecting Anastasis In Vivo by CaspaseTracker Biosensor

Published on: February 1, 2018

Lighting Up the Pathways to Caspase Activation Using Bimolecular Fluorescence Complementation
08:47

Lighting Up the Pathways to Caspase Activation Using Bimolecular Fluorescence Complementation

Published on: March 5, 2018

Related Experiment Videos

Last Updated: Jun 4, 2026

In Vivo Biosensor Tracks Non-apoptotic Caspase Activity in Drosophila
13:21

In Vivo Biosensor Tracks Non-apoptotic Caspase Activity in Drosophila

Published on: November 27, 2016

Detecting Anastasis In Vivo by CaspaseTracker Biosensor
20:16

Detecting Anastasis In Vivo by CaspaseTracker Biosensor

Published on: February 1, 2018

Lighting Up the Pathways to Caspase Activation Using Bimolecular Fluorescence Complementation
08:47

Lighting Up the Pathways to Caspase Activation Using Bimolecular Fluorescence Complementation

Published on: March 5, 2018

  • 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.