Related Experiment Video
Updated: Aug 6, 2026

Do-It-Yourself Device for Recovery of Cryopreserved Samples Accidentally Dropped into Cryogenic Storage Tanks
Published on: May 11, 2012
Stores to die for
1Department of Biology, Howard Hughes Medical Institute, University of Pennsylvania, Philadelphia 19104-6018, USA.
Abstract:
Genes that regulate apoptosis are well defined. In contrast, it has not been clear what genes are central to necrotic cell loss. In the September 27th issue of Neuron, Xu et al. (2001) report a critical role for genes that regulate storage and release of Ca2+ from the endoplasmic reticulum as important to necrotic-like cellular degeneration in Caenorhabditis elegans.
Insights
Researchers identified key genes regulating calcium (Ca2+) storage and release from the endoplasmic reticulum. These genes are crucial for necrotic-like cell death in the nematode Caenorhabditis elegans.
Area of Science:
- Cell biology
- Genetics
- Neuroscience
Background:
- Apoptosis (programmed cell death) regulatory genes are well-understood.
- Genes central to necrosis (uncontrolled cell death) remain largely unclear.
Purpose of the Study:
- To identify genes critical for necrotic-like cell loss.
- To elucidate the mechanisms underlying necrotic cell degeneration.
Main Methods:
- Utilized the model organism Caenorhabditis elegans.
- Investigated gene function related to cellular degeneration.
Main Results:
- Identified a critical role for genes regulating calcium (Ca2+) storage and release.
- Demonstrated the importance of endoplasmic reticulum Ca2+ dynamics in necrotic-like cell death.
Conclusions:
- Genes controlling endoplasmic reticulum calcium flux are central to necrotic-like cell death.
- This finding contrasts with the established understanding of apoptosis.
Related Concept Videos
Autophagic Cell Death
Autophagy and Apoptosis
Autophagy can activate apoptosis. In normal conditions, the autophagy activating protein Beclin-1 and pro-apoptotic...
Fats as Energy Storage Molecules
Fats as Energy Storage Molecules
Storage
Kubler Ross's Stages of Dying
In denial, individuals reject the reality of their condition, often thinking, "This isn't true; I feel fine," as a way to protect themselves from emotional distress. Anger...
Principles of Food Preservation

