Cited by 119Heat shock proteins researchCell death mechanisms and regulationClusterin in disease pathology

Hsp70: Anti-apoptotic and Tumorigenic Protein

Rérole, Anne-Laure, Jego, Gaëtan, Garrido, Carmen·2011·Methods in Molecular Biology

Abstract

Heat shock protein 70 (Hsp70) is a powerful chaperone whose expression is induced in response to a wide variety of physiological and environmental insults, including anticancer chemotherapy, thus allowing the cell to survive to lethal conditions. Hsp70 cytoprotective properties may be explained by its anti-apoptotic function. Indeed, this protein can inhibit key effectors of the apoptotic machinery at the pre- and postmitochondrial level. In cancer cells, the expression of Hsp70 is abnormally high, and Hsp70 may participate in oncogenesis and in resistance to chemotherapy. In rodent models, Hsp70 overexpression increases tumor growth and metastatic potential. Depletion or inhibition of Hsp70 frequently reduces the size of the tumors and even can cause their complete involution. But Hsp70 can also be found in the extracellular medium. Its role is then immunogenic and the term chaperokine to define the extracellular chaperones has been advanced. Hsp70 tumorigenic functions as well as the strategies that are being developed in cancer therapy in order to inhibit Hsp70 are commented in this chapter.

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Crossref · 10.1007/978-1-61779-295-3_16

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Authors
Rérole, A.-L., Jego, G., & Garrido, C.
Affiliations
Inserm (FR)
Corresponding author
Garrido, Carmen
Venue
Methods in Molecular Biology
Publisher
Humana Press
Published
2011
Volume
787
Pages
205-230
ISSN
  • 1064-3745 (ISSN-L)
  • 1940-6029
OpenAlex
W7663529
Cited by
118
References
202
Citations by year
2025: 5 · 2024: 6 · 2023: 9 · 2022: 5 · 2021: 8 · 2020: 9 · 2019: 9 · 2018: 6 · 2017: 6 · 2016: 15 · 2015: 9 · 2014: 12 · 2013: 11 · 2012: 7
FWCI
12.87
Type
book chapter
Language
en
Open access
closed
Locations
  • Methods in molecular biology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Ligue Contre le Cancer
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Heat shock proteins research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Health Sciences › Medicine › Oncology › Clusterin in disease pathology
Keywords
HSP70, heat shock proteins, anti-apoptotic effects, carcinogenesis, chemoresistance, metastasis, extracellular Hsp70, apoptosis, cancer therapy, Hsp70 inhibitors
MeSH terms
Antineoplastic Agents, Cell Differentiation, Humans, Neoplasm Metastasis, Neoplasms, Stress, Physiological, Gene Expression, Apoptosis, HSP70 Heat-Shock Proteins, Cell Proliferation, Apoptosis Regulatory Proteins, Receptors, Death Domain, Immunomodulation

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