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Updated: May 21, 2026

Identification of Intracellular Signaling Events Induced in Viable Cells by Interaction with Neighboring Cells Undergoing Apoptotic Cell Death
Published on: December 27, 2016
GSK-3β: A Bifunctional Role in Cell Death Pathways
Keith M Jacobs1, Sandeep R Bhave, Daniel J Ferraro
1Department of Radiation Oncology, Washington University in St. Louis, St. Louis, MO 63108, USA.
Glycogen synthase kinase-3 beta (GSK-3β) regulates cell functions and is implicated in diseases. This study explores its dual role in cell survival and apoptosis, highlighting its potential as a drug target.
Area of Science:
- Biochemistry
- Molecular Biology
- Cell Biology
Background:
- Glycogen synthase kinase-3 beta (GSK-3β) is a key regulator of cellular functions beyond glucose metabolism.
- GSK-3β influences cell signaling, metabolism, and transcription factors crucial for cell fate.
- Dysregulation of GSK-3β is linked to diseases like Alzheimer's, cancer, and diabetes.
Purpose of the Study:
- To investigate the complex and often contradictory roles of GSK-3β in promoting both cell survival and apoptosis.
- To highlight GSK-3β as a significant molecular target for therapeutic intervention.
Main Methods:
- This paper focuses on a review and analysis of existing literature regarding GSK-3β function.
- The study synthesizes findings on GSK-3β's involvement in cellular processes and disease pathology.
Main Results:
- GSK-3β exhibits bifunctional activity, capable of both promoting cell survival and inducing apoptosis.
- Its multifaceted roles underscore its importance in maintaining cellular homeostasis and its implication in disease.
Conclusions:
- GSK-3β is a critical molecular target with significant therapeutic potential.
- Understanding its dual role in cell survival and apoptosis is key for developing effective treatments for associated diseases.
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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...
The Intrinsic Apoptotic Pathway
Amplifying Signals via Enzymatic Cascade
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