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Strategies for Tracking Anastasis, A Cell Survival Phenomenon that Reverses Apoptosis
Published on: February 16, 2015
Asymmetric divisions, aggresomes and apoptosis
Aakanksha Singhvi1, Gian Garriga
1Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720-3204, USA.
Trends in Cell Biology
|December 19, 2008
Summary
Asymmetric cell division (ACD) generates diverse cell fates, sometimes producing a cell destined to die. This review explores how ACD regulates apoptosis, potentially linked to the asymmetric segregation of denatured proteins.
Area of Science:
- Developmental Biology
- Cell Biology
- Genetics
Background:
- Asymmetric cell division (ACD) is crucial for generating cellular diversity in metazoan development.
- Stem cell divisions exemplify ACD, supplying new cells for development and adult tissue maintenance.
- Some ACDs result in one daughter cell undergoing apoptosis, a process whose underlying mechanisms are not fully understood.
Purpose of the Study:
- To review current data on the regulation of apoptosis during asymmetric cell division (ACD).
- To explore potential links between ACD-induced cell death and the asymmetric partitioning of denatured proteins.
Main Methods:
- Literature review of recent research on asymmetric cell division, apoptosis regulation, and protein segregation.
- Analysis of existing data to identify patterns and connections between ACD and cell death.
- Speculative discussion on the functional implications of denatured protein partitioning in ACD-induced apoptosis.
Main Results:
- Recent findings indicate that denatured proteins are asymmetrically segregated during cell division.
- This asymmetric segregation of damaged proteins may play a role in directing one daughter cell towards apoptosis.
- Apoptosis regulation during ACD is a complex process influenced by various cellular factors.
Conclusions:
- Asymmetric cell division is a key mechanism for generating cell diversity and regulating cell fate, including programmed cell death.
- The asymmetric partitioning of denatured proteins presents a novel and plausible mechanism for regulating ACD-induced apoptosis.
- Further research is warranted to elucidate the precise molecular links between protein aggregation, asymmetric segregation, and apoptotic pathways in ACD.
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