Optogenetic Control of Non-Apoptotic Cell Death
Lian He1, Zixian Huang2, Kai Huang3
1Center for Translational Cancer Research Institute of Biosciences and Technology Texas A&M University Houston TX 77030 USA.
Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|September 20, 2021
Summary
Researchers developed light-activated tools (LiPOP) for controlling cell death pathways like necroptosis and pyroptosis. These tools enable precise manipulation of cell death for cancer therapy and studying immune responses.
Area of Science:
- Cell Biology
- Optogenetics
- Biotechnology
Background:
- Non-apoptotic cell death pathways, including necroptosis and pyroptosis, play crucial roles in immunity and disease.
- Existing methods for studying these pathways often lack precise temporal and spatial control.
Purpose of the Study:
- To introduce a novel set of optogenetic tools, termed LiPOP, for photoswitchable control of necroptosis and pyroptosis.
- To demonstrate the application of LiPOP tools for targeted cancer cell killing in vivo.
Main Methods:
- Development of light-inducible optogenetic tools (LiPOP) for necroptosis and pyroptosis.
- Coupling LiPOP with upconversion nanoparticles and bioluminescence for wireless activation.
- Testing LiPOP efficacy in cultured cells and mouse tumor models.
Main Results:
- LiPOP tools enable precise, light-controlled induction of necroptosis and pyroptosis with tunable kinetics.
- Wireless optogenetic and chemo-optogenetic cancer cell killing was achieved in vivo using LiPOP.
- Successful triggering of cell death in both prokaryotic and eukaryotic cells, including in living animals.
Conclusions:
- LiPOP provides a versatile platform for studying non-apoptotic cell death pathways.
- LiPOP holds potential for developing novel cancer therapies and investigating roles in infection and immunity.
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