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Author Spotlight: Exploring the Mechanisms of MicroRNA Loading into Extracellular Vesicles in Cancer Progression
Published on: October 6, 2023
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Chaperonins in cancer: Expression, function, and migration in extracellular vesicles
Alberto J L Macario1, Everly Conway de Macario2
1Department of Microbiology and Immunology, School of Medicine, University of Maryland at Baltimore-Institute of Marine and Environmental Technology (IMET), Baltimore, MD 21202, USA; Euro-Mediterranean Institute of Science and Technology (IEMEST), 90139 Palermo, Italy.
Seminars in Cancer Biology
|June 4, 2021
Summary
Chaperonins like CCT and Hsp60 are implicated in breast and brain cancers. Elevated levels of CCT subunits in tumors correlate with poor prognosis, suggesting potential theranostic applications.
Area of Science:
- Molecular biology
- Oncology
- Biochemistry
Background:
- Molecular chaperones, including chaperonins (CCT and Hsp60), are vital for cellular proteostasis.
- Dysregulation of chaperones can lead to diseases known as chaperonopathies.
- This review focuses on the role of chaperonins in breast and brain cancers.
Purpose of the Study:
- To summarize recent advances in understanding CCT and Hsp60 in cancerology, specifically breast and brain cancers.
- To highlight the potential of chaperonins and exosomes in cancer diagnosis and therapy.
Main Methods:
- Review of recent studies on CCT and Hsp60 in cancer.
- Analysis of in silico data correlating CCT subunit mRNA levels with prognosis.
- Discussion of methods for measuring Hsp60 and related miRNAs in exosomes from cancer patients.
Main Results:
- Increased CCT subunits (especially CCT2) observed in breast cancer cells, correlating with tumor progression.
- Elevated CCT subunit mRNA levels in tumor tissue linked to poor prognosis in silico.
- CCT subunits and Hsp60-related miRNAs in exosomes show potential for glioblastoma diagnosis and monitoring.
Conclusions:
- Chaperonins play a significant role in carcinogenesis, particularly in breast and brain cancers.
- The CCT-exosome and Hsp60-miRNA-exosome axes present promising avenues for cancer theranostics.
- Further research is warranted to fully develop chaperonins and exosomes for clinical applications.
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