Related Experiment Video
Updated: May 30, 2025

High-Throughput Cellular Profiling of Targeted Protein Degradation Compounds Using HiBiT CRISPR Cell Lines
Published on: November 9, 2020
[Exploring protein degradation pathways as therapeutic innovations]
Marie Cornu1, Thomas Lemaitre1, Florian Schwalen2
1Université de Caen Normandie, CERMN UR4258, Boulevard Becquerel, 14000 Caen, France.
Proteostasis disruption creates opportunities for new therapies like Proteolysis Targeting Chimeras (PROTACs). PROTACs selectively degrade disease-causing proteins, offering hope for treating cancers and neurodegenerative diseases.
Area of Science:
- Biochemistry
- Molecular Biology
- Drug Discovery
Background:
- Proteostasis, or protein homeostasis, is crucial for cellular function.
- Disrupted proteostasis is implicated in various diseases, including cancer and neurodegenerative disorders.
- Conventional therapies face challenges in targeting specific disease-associated proteins.
Purpose of the Study:
- To explore the therapeutic potential of Proteolysis Targeting Chimeras (PROTACs).
- To investigate how PROTACs can address limitations of traditional treatment strategies.
- To highlight PROTACs as a tool for restoring protein homeostasis.
Main Methods:
- Utilizing Proteolysis Targeting Chimeras (PROTACs) technology.
- Inducing targeted protein degradation via the ubiquitin-proteasome system.
- Applying PROTACs to disease models involving protein homeostasis disruption.
Main Results:
- PROTACs enable selective degradation of disease-relevant proteins.
- This approach offers new therapeutic avenues for previously untreatable conditions.
- PROTACs can overcome resistance mechanisms associated with conventional drugs.
Conclusions:
- PROTAC technology represents a significant therapeutic innovation.
- Targeted protein degradation by PROTACs can restore proteostasis.
- PROTACs provide a promising strategy for treating complex diseases like cancer and neurodegeneration.
Related Concept Videos
Regulated Protein Degradation
The Proteasome
In this pathway, the target proteins are first tagged with small proteins called ubiquitin. This involves participation of a series of enzymes including— E1 (ubiquitin-activating enzyme), E2 (ubiquitin-conjugating enzyme), and E3...
Protein Networks
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Proteins: From Genes to Degradation
Transcription is the synthesis of RNA...
Export of Misfolded Proteins out of the ER
Protein-protein Interfaces

