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.

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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