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Updated: Aug 30, 2025

Using Caenorhabditis elegans as a Model System to Study Protein Homeostasis in a Multicellular Organism
Published on: December 18, 2013
Hsp90: From Cellular to Organismal Proteostasis
Milán Somogyvári1, Saba Khatatneh1, Csaba Sőti1
1Department of Molecular Biology, Semmelweis University, H-1085 Budapest, Hungary.
Maintaining a healthy proteome is vital for health. This review details how Heat Shock Protein 90 (Hsp90) helps regulate cellular proteostasis and protein stability, crucial for preventing disease.
Area of Science:
- Molecular biology
- Cellular biology
- Biochemistry
Background:
- Proteome maintenance is critical for organismal health and survival.
- Proteome imbalance and loss of proteostasis are linked to various diseases.
- Heat Shock Protein 90 (Hsp90) is a key molecular chaperone involved in cellular regulation.
Purpose of the Study:
- To review the multifaceted role of Hsp90 in maintaining proteome balance.
- To explore Hsp90's function as a regulator of the heat shock response via HSF1.
- To highlight Hsp90's importance in stabilizing signaling proteins.
Main Methods:
- Literature review of Hsp90 functions.
- Analysis of Hsp90's role in cellular proteostasis.
- Examination of Hsp90's involvement in organismal health.
Main Results:
- Hsp90 is a central regulator of the heat shock response pathway.
- Hsp90 stabilizes numerous client proteins essential for cellular signaling.
- Dysregulation of Hsp90 contributes to proteome instability and disease.
Conclusions:
- Hsp90 plays a critical role in cellular and organismal proteome maintenance.
- Understanding Hsp90's functions provides insights into disease mechanisms.
- Hsp90 is a potential therapeutic target for diseases associated with proteostasis loss.
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