Related Experiment Video
Updated: Jun 20, 2026

Identification of Intracellular Signaling Events Induced in Viable Cells by Interaction with Neighboring Cells Undergoing Apoptotic Cell Death
Published on: December 27, 2016
Deregulation of cell death (apoptosis): implications for tumor development
Christopher A Pettigrew1, Thomas G Cotter
1Department of Biochemistry, Biosciences Institute, University College Cork, Cork, Ireland. christopher.pettigrew@ucc.ie
Apoptosis, or programmed cell death, is vital for multicellular organisms and preventing tumors. Disruptions in apoptosis can cause cancer, making its restoration a key challenge in cancer research.
Area of Science:
- Cell Biology
- Developmental Biology
- Cancer Biology
Background:
- Apoptosis, a natural cell death process, was first described over 150 years ago.
- Its role in tumor development was recognized in the 1970s.
- Apoptosis balances cell proliferation from mitosis and is crucial for multicellular organism development.
Purpose of the Study:
- To highlight the significance of apoptosis in normal biological processes.
- To underscore the link between dysregulated apoptosis and tumor formation.
- To emphasize the ongoing challenge of restoring apoptosis in cancer cells.
Main Methods:
- Historical review of apoptosis research.
- Analysis of the role of apoptosis in development and disease.
- Discussion of current cancer research strategies targeting apoptosis.
Main Results:
- Apoptosis is essential for normal development and preventing uncontrolled cell growth.
- Dysregulation of apoptosis leads to the accumulation of cells, contributing to diseases like cancer.
- Restoring apoptotic pathways in cancer cells is a critical area of ongoing research.
Conclusions:
- Apoptosis is a fundamental biological process with critical implications for health and disease.
- Understanding and manipulating apoptosis is key to developing effective cancer therapies.
- Further research into restoring apoptosis in cancer holds significant promise for oncology.
Related Concept Videos
Apoptosis
The Intrinsic Apoptotic Pathway
The Extrinsic Apoptotic Pathway
Overview of Cell Death
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...
Cellular Injury V: Apoptosis and Autophagy
Loss of Tumor Suppressor Gene Functions
When the tumor suppressor genes develop mutations or are lost, cells start growing out of control, leading to cancer. However, a single functional copy of the tumor suppressor gene is enough for the cells to maintain their normal functions and cell...

