Related Experiment Video

Updated: Oct 7, 2026

Measuring Caspase Activity Using a Fluorometric Assay or Flow Cytometry
05:29

Measuring Caspase Activity Using a Fluorometric Assay or Flow Cytometry

Published on: March 24, 2023

Caspases: conductors of the cell death machinery in lymphoma cells

J P Dales1, F Palmerini, E Devilard

  • 1Department of Pathology; Institut Paoli-Calmettes IFR 57 and Université de la Méditerranée, Marseille, France.

Leukemia & Lymphoma
|May 30, 2001
PubMed

Insights

This review explores how caspases regulate apoptosis in lymphoma cells. Inhibiting caspase activation may offer new therapeutic strategies for malignant B-cells by correcting apoptotic defects.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Cancer Research

Background:

  • Apoptosis, or programmed cell death, is crucial for maintaining tissue homeostasis.
  • Caspases are key proteases that execute the apoptotic pathway.
  • Dysregulation of apoptosis, particularly in lymphoma, contributes to cancer development.

Purpose of the Study:

  • To review recent findings on caspase regulation within the apoptotic pathway.
  • To elucidate the role of caspase activation in lymphoma cell death.
  • To explore the therapeutic potential of targeting caspase activation in B-cell malignancies.

Main Methods:

  • Literature review of recent studies on apoptosis and caspases.
  • Analysis of mechanisms regulating caspase activation.
  • Integration of findings related to lymphoma cell apoptosis.

Main Results:

  • Lymphoma cells possess the necessary caspase machinery for apoptosis.
  • Caspase activation is a critical determinant of lymphoma cell death.
  • Inhibition of caspase activation is linked to apoptotic defects in malignant B-cells.

Conclusions:

  • Caspase regulation is central to apoptosis in lymphoma.
  • Targeting caspase activation presents a promising avenue for novel cancer therapies.
  • Restoring apoptotic processes in malignant B-cells could be achieved by modulating caspase activity.

More Related Videos

In Vivo Biosensor Tracks Non-apoptotic Caspase Activity in Drosophila13:21

In Vivo Biosensor Tracks Non-apoptotic Caspase Activity in Drosophila

Published on: November 27, 2016

Evaluation of Caspase Activation to Assess Innate Immune Cell Death10:23

Evaluation of Caspase Activation to Assess Innate Immune Cell Death

Published on: January 20, 2023

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.
The Intrinsic Apoptotic Pathway01:31

The Intrinsic Apoptotic Pathway

Internal cellular stress, such as cellular injury or hypoxia, triggers intrinsic apoptosis. The B-cell lymphoma 2 (Bcl-2) family of proteins are the primary regulators of the intrinsic apoptotic pathway. For example, during DNA damage, checkpoint proteins, such as Ataxia Telangiectasia Mutated (ATM protein) and Checkpoints Factor-2 (Chk2) proteins, are activated. These proteins phosphorylate p53 which further activates pro-apoptotic proteins, such as Bax, Bak, PUMA, and Noxa, and inhibits...
The Extrinsic Apoptotic Pathway01:17

The Extrinsic Apoptotic Pathway

The extrinsic apoptotic pathway is initiated when extracellular death-inducing signals, such as specific cytokines, activate the death receptors expressed on the cell surface. The immune cells involved in this pathway are natural killer cells (NK cells) and cytotoxic T-lymphocytes. NK cells are critical in innate immune response, while cytotoxic T-lymphocytes are associated with adaptive immune response. These cells recognize specific receptors expressed on the altered cells and activate...
Apoptosis01:30

Apoptosis

Apoptosis is a combination of two Greek words, 'apo' and 'ptosis,' meaning separation and falling off, respectively. Hippocrates used this word to describe gangrene, which was caused due to bandaging of fractured bones. Apoptosis was distinguished from necrosis in 1970 when John Kerr reported observations of morphological changes occurring during apoptosis. During one experiment, he observed that the disruption of blood supply to the liver tissue resulted in a size reduction of the tissue.
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...
Overview of Cell Death01:30

Overview of Cell Death

Cell death is an essential process where the body gets rid of old or damaged cells. Cell proliferation and death need to be balanced, as an imbalance between the two may lead to cancer or autoimmune diseases.
Cell death was observed in the early 19th century, but there was no experimental evidence to prove it. In 1842, Carl Vogt first discovered cell death in a metamorphic toad; however, it was not termed ‘cell death.’ Scientists discovered different cell death pathways only in the 20th century...