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Updated: Feb 1, 2026

Detection of Protein Ubiquitination
Published on: August 19, 2009
TRIM16 controls turnover of protein aggregates by modulating NRF2, ubiquitin system, and autophagy: implication for
Kautilya Kumar Jena1,2, Srinivasa Prasad Kolapalli1, Subhash Mehto1
1Cell Biology and Infectious Diseases Unit, Institute of Life Sciences, Bhubaneswar, India.
Abstract:
Protein misfolding and protein aggregation are linked to several diseases commonly called as proteinopathies, which include cancer. Understanding the mechanisms of proteostasis could provide newer strategies to combat proteinopathies. We have recently demonstrated a new mechanism where we found that TRIM16 (tripartite motif-containing protein 16) utilizing NRF2-p62 axis and autophagy streamlines the safe disposal of misfolded proteins to maintain protein homeostasis.
Insights
Scientists discovered that TRIM16 protein uses the NRF2-p62 pathway and autophagy to clear misfolded proteins, maintaining cellular balance and offering new strategies against proteinopathies like cancer.
Area of Science:
- Molecular Biology
- Cellular Biology
- Disease Mechanisms
Background:
- Protein misfolding and aggregation are hallmarks of diseases known as proteinopathies, including cancer.
- Maintaining protein homeostasis (proteostasis) is crucial for cellular health and preventing disease.
Purpose of the Study:
- To elucidate novel mechanisms regulating proteostasis.
- To identify new therapeutic targets for proteinopathies.
Main Methods:
- Investigated the role of TRIM16 in protein quality control.
- Utilized molecular biology techniques to study the NRF2-p62 signaling pathway and autophagy.
- Assessed the clearance of misfolded proteins in cellular models.
Main Results:
- Demonstrated that TRIM16 facilitates the disposal of misfolded proteins.
- Showcased the involvement of the NRF2-p62 axis and autophagy in TRIM16-mediated protein clearance.
- Established a novel mechanism for maintaining protein homeostasis.
Conclusions:
- TRIM16 plays a key role in protein quality control through the NRF2-p62-autophagy pathway.
- This pathway represents a potential therapeutic strategy for combating proteinopathies.
- Understanding TRIM16 function offers new insights into cancer and other protein misfolding diseases.
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