Apoptosis in cancer: cause and cure
Related Experiment Video
Updated: Oct 10, 2026

Flow Cytometric Detection of Newly-formed Breast Cancer Stem Cell-like Cells After Apoptosis Reversal
Published on: January 26, 2019
1Division of Oncology Research and Department of Molecular Pharmacology, Mayo Graduate School, Rochester, Minnesota, USA. Kaufmann.Scott@Mayo.edu
Abstract:
The accumulation of neoplastic cells can occur through enhanced proliferation, diminished cell turnover, or a combination of both processes. Although the potential contribution of diminished cell turnover to tumor development has been appreciated for a decade, more recent studies in animal models and clinical cancer specimens have elucidated the mechanisms by which alterations in the apoptotic machinery contribute to the process of carcinogenesis. At the same time, a different group of studies have demonstrated the feasibility of eliminating neoplastic cells by selectively inducing apoptosis. In this essay, we review recent developments in the fields of carcinogenesis and molecular therapeutics in light of new understanding of apoptotic pathways.
Insights
Cancer cells accumulate via increased proliferation or reduced cell death. Recent research clarifies how apoptosis alterations drive carcinogenesis and how inducing apoptosis can eliminate cancer cells, advancing molecular therapeutics.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Research
Background:
- Neoplastic cell accumulation is a hallmark of cancer, driven by enhanced proliferation or diminished cell turnover.
- The role of altered apoptotic machinery in carcinogenesis is increasingly understood through studies in animal models and clinical specimens.
- Apoptosis, or programmed cell death, is a critical cellular process implicated in cancer development.
Purpose of the Study:
- To review recent advancements in understanding the mechanisms of carcinogenesis related to apoptosis.
- To explore the potential of molecular therapeutics that selectively induce apoptosis in neoplastic cells.
- To integrate new insights into apoptotic pathways with existing knowledge of cancer development and treatment.
Main Methods:
- Review of recent scientific literature on apoptosis, carcinogenesis, and molecular therapeutics.
- Analysis of findings from animal models and human cancer specimens.
- Synthesis of information on the molecular mechanisms underlying apoptotic regulation in cancer.
Main Results:
- Elucidation of specific mechanisms by which alterations in apoptotic pathways contribute to tumor development.
- Demonstration of the feasibility of targeting apoptotic machinery for cancer therapy.
- Identification of key molecular targets for inducing selective cancer cell death.
Conclusions:
- Altered apoptosis is a significant factor in carcinogenesis, offering therapeutic opportunities.
- Selective induction of apoptosis represents a promising strategy in molecular cancer therapeutics.
- Further research into apoptotic pathways will likely yield novel approaches to cancer treatment.
Related Concept Videos
Apoptosis
The Intrinsic Apoptotic Pathway
Targeted Cancer Therapies
There are several types of targeted therapies against specific...
Targeted Cancer Therapies
There are several types of targeted therapies against specific...
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...
Cancer Therapies
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
