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Updated: Jul 10, 2026
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Intracellular Refolding Assay
Published on: January 24, 2012
Heat shock proteins in cancer
Michael Sherman1, Gabriele Multhoff
1Department of Biochemistry, Boston University School of Medicine, Massachusetts, USA.
Annals of the New York Academy of Sciences
|November 6, 2007
Summary
Heat shock proteins (Hsps) have dual roles. Intracellular Hsps protect cells from stress, while extracellular Hsps, including small Hsps and Hsp70, stimulate immune responses, impacting cancer immunity.
Area of Science:
- Molecular Biology
- Immunology
- Cell Biology
Background:
- Heat shock proteins (Hsps) are vital molecular chaperones found in all cells.
- Hsps perform critical intracellular functions like protein folding and transport.
- Extracellular Hsps, including Hsp70, are observed on cancer cells and in extracellular spaces.
Purpose of the Study:
- To review the dual functions of intracellular and extracellular small Hsps and Hsp70 family members.
- To explore the immunological consequences of Hsps' locations in cancer immunity.
Main Methods:
- Literature review of studies on Hsps' intracellular and extracellular roles.
- Analysis of Hsp functions in cellular stress response and immune stimulation.
- Examination of Hsp involvement in cancer immunity.
Main Results:
- Intracellular Hsps primarily offer protection against environmental stress.
- Extracellular Hsps, particularly small Hsps and Hsp70, act as potent immune stimulators.
- Hsps play a significant role in antigen presentation and immune surveillance.
Conclusions:
- Hsps exhibit a dual role, providing cellular protection and modulating immune responses.
- The location of Hsps dictates their function, influencing cancer immunity.
- Understanding Hsp localization is crucial for developing cancer immunotherapies.
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