Related Experiment Videos
Multiple pathways to apoptosis
1School of Pure and Applied Biology, University of Wales Cardiff, Great Britain.
Abstract:
Evidence from studies dealing with various aspects of the interdigitating network of proliferative signals supports the concept of multiple signalling pathways. Analogous to these, the concept of multiple pathways to apoptosis is introduced and discussed. Some of these pathways might not necessarily be under genetic control. They might be elicited by a perturbation at any point in the proliferative signalling network, for example by an imbalance in any of the substances involved directly or as second messengers. Diverse findings from recent reports on the induction of apoptosis by various means and in a variety of cell lines imply the presence of such multiple pathways, only one of which should accurately be described as genetic.
Insights
Multiple signaling pathways regulate cell proliferation and apoptosis. This study introduces the concept of multiple, potentially non-genetic, pathways to apoptosis, triggered by disruptions in cell signaling networks.
Area of Science:
- Cellular biology
- Molecular signaling
- Apoptosis research
Background:
- Proliferative signaling involves complex, interconnected pathways.
- Existing research supports the concept of multiple signaling pathways in cell growth.
Purpose of the Study:
- To introduce and discuss the concept of multiple pathways to apoptosis.
- To explore the potential for non-genetic control of apoptosis.
- To link apoptosis induction to disruptions in proliferative signaling networks.
Main Methods:
- Review and synthesis of diverse findings on apoptosis induction.
- Analysis of recent reports on apoptosis in various cell lines.
- Conceptual framework development for multiple apoptosis pathways.
Main Results:
- Evidence suggests multiple, distinct pathways can lead to apoptosis.
- Some apoptosis pathways may not be under direct genetic control.
- Perturbations in proliferative signaling networks can elicit apoptosis.
Conclusions:
- The concept of multiple pathways to apoptosis is supported by current evidence.
- Apoptosis can be induced through various mechanisms, not solely genetic.
- Disruptions in cell signaling are key triggers for non-genetic apoptosis pathways.