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Vostakolaei MA, Hatami-Baroogh L, Babaei G, Molavi O, Kordi S, Abdolalizadeh J. Hsp70 in cancer: A double agent in the battle between survival and death. J Cell Physiol 2020; 236:3420-3444. [PMID: 33169384 DOI: 10.1002/jcp.30132] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 09/23/2020] [Accepted: 10/16/2020] [Indexed: 12/11/2022]
Abstract
The heat shock protein (Hsps) superfamily, also known as molecular chaperones, are highly conserved and present in all living organisms and play vital roles in protein fate. The HspA1A (Hsp70-1), called Hsp70 in this review, is expressed at low or undetectable levels in most unstressed normal cells, but numerous studies have shown that diverse types of tumor cells express Hsp70 at the plasma membrane that leads to resistance to programmed cell death and tumor progression. Hsp70 is released into the extracellular milieu in three forms including free soluble, complexed with cancer antigenic peptides, and exosome forms. Therefore, it seems to be a promising therapeutic target in human malignancies. However, a great number of studies have indicated that both intracellular and extracellular Hsp70 have a dual function. A line of evidence presented that intracellular Hsp70 has a cytoprotective function via suppression of apoptosis and lysosomal cell death (LCD) as well as that extracellular Hsp70 can promote tumorigenesis and angiogenesis. Other evidence showed intracellular Hsp70 can promote apoptosis and membrane-associated/extracellular Hsp70 can elicit antitumor innate and adaptive immune responses. Given the contradictory functions, as a "double agent," could Hsp70 be a promising tool in the future of targeted cancer therapies? To answer this question, in this review, we will discuss the functions of Hsp70 in cancers besides inhibition and stimulation strategies for targeting Hsp70 along with their challenges.
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Affiliation(s)
- Mehdi A Vostakolaei
- Digestive Diseases Research Center, Ardabil University of Medical Sciences, Ardabil, Iran.,Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Leila Hatami-Baroogh
- Department of Reproduction and Development, Royan Institute for Animal Biotechnology, ACER, Isfahan, Iran
| | - Ghader Babaei
- Department of Biochemistry, Urmia University Medical Sciences, Urmia, Iran
| | - Ommoleila Molavi
- Biotechnology Research Center, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Shirafkan Kordi
- Antimicrobial Resistance Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Jalal Abdolalizadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Paramedical Faculty, Tabriz University of Medical Sciences, Tabriz, Iran
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Abstract
Heat shock protein 70 (Hsp70) is the most ubiquitous stress-inducible chaperone. It accumulates in the cells in response to a wide variety of physiological and environmental insults including anticancer chemotherapy, thus allowing the cell to survive to lethal conditions. Intracellular Hsp70 is viewed as a cytoprotective protein. Indeed, this protein can inhibit key effectors of the apoptotic and autophagy machineries. 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 can even cause their complete involution. However, HSP70 is also found in the extra-cellular space where it may signal via membrane receptors or endosomes to alter gene transcription and cellular function. Overall, Hsp70 extracellular function is believed to be immnunogenic and the term chaperokine to define the extracellular chaperones such as Hsp70 has been advanced. In this chapter the knowledge to date, as well as some emerging paradigms about the intra- and extra-cellular functions of Hsp70, are presented. The strategies targeting Hsp70 that are being developed in cancer therapy will also be discussed.
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Affiliation(s)
- Christophe Boudesco
- Univ. Bourgogne Franche-Comté, LNC UMR1231, Dijon, France
- INSERM, LNC UMR1231, Dijon, France
- Equipe Labellisée par la Ligue Nationale Contre le Cancer, INSERM, LNC UMR1231, Dijon, France
- LipSTIC LabEx, Fondation de Coopération Scientifique Bourgogne Franche-Comté, Dijon, France
| | - Sebastien Cause
- Univ. Bourgogne Franche-Comté, LNC UMR1231, Dijon, France
- INSERM, LNC UMR1231, Dijon, France
- Equipe Labellisée par la Ligue Nationale Contre le Cancer, INSERM, LNC UMR1231, Dijon, France
- LipSTIC LabEx, Fondation de Coopération Scientifique Bourgogne Franche-Comté, Dijon, France
| | - Gaëtan Jego
- Univ. Bourgogne Franche-Comté, LNC UMR1231, Dijon, France.
- INSERM, LNC UMR1231, Dijon, France.
- Equipe Labellisée par la Ligue Nationale Contre le Cancer, INSERM, LNC UMR1231, Dijon, France.
- LipSTIC LabEx, Fondation de Coopération Scientifique Bourgogne Franche-Comté, Dijon, France.
| | - Carmen Garrido
- Univ. Bourgogne Franche-Comté, LNC UMR1231, Dijon, France.
- INSERM, LNC UMR1231, Dijon, France.
- Equipe Labellisée par la Ligue Nationale Contre le Cancer, INSERM, LNC UMR1231, Dijon, France.
- LipSTIC LabEx, Fondation de Coopération Scientifique Bourgogne Franche-Comté, Dijon, France.
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Morra ME, Kien ND, Elmaraezy A, Abdelaziz OAM, Elsayed AL, Halhouli O, Montasr AM, Vu TLH, Ho C, Foly AS, Phi AP, Abdullah WM, Mikhail M, Milne E, Hirayama K, Huy NT. Early vaccination protects against childhood leukemia: A systematic review and meta-analysis. Sci Rep 2017; 7:15986. [PMID: 29167460 PMCID: PMC5700199 DOI: 10.1038/s41598-017-16067-0] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Accepted: 11/02/2017] [Indexed: 02/06/2023] Open
Abstract
Leukemia is the most commonly diagnosed childhood cancer, although its etiology is still largely unknown. Growing evidence supports a role for infection in the etiology of acute lymphocytic leukemia (ALL), and the involvement of the immune system suggests that vaccination may also play a role. However, the findings presented in the published literature are inconsistent. Therefore, we conducted a PRISMA systematic review and meta-analysis. 14 studies were identified and meta-analyzed. Vaccinations studied comprised Bacillus Calmette-Guérin (BCG) vaccine, Triple vaccine, Hepatitis B vaccine (HBV), Polio, Measles, Rubella, Mumps, trivalent MMR vaccine and Haemophilus influenza type B (HiB) vaccine. We observed a protective association between any vaccination in the first year of life and risk of childhood leukemia (summary odds ratio (OR) 0.58 [95% confidence interval (CI) 0.36-0.91]). When individual vaccines were analysed, some evidence of an association was seen only for BCG (summary OR 0.73 [95% CI 0.50-1.08]). In conclusion, early vaccination appears to be associated with a reduced risk of childhood leukemia. This finding may be underpinned by the association observed for BCG. Given the relatively imprecise nature of the results of this meta-analysis, our findings should be interpreted cautiously and replicated in future studies.
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Affiliation(s)
| | - Nguyen Dang Kien
- Department of Obstetrics and Gynecology, Thai Binh University of Medicine and Pharmacy, Thai Binh, 30000, Vietnam
| | - Ahmed Elmaraezy
- Faculty of Medicine, Al Azhar University, Cairo, 11884, Egypt
| | | | | | - Oday Halhouli
- University of Jordan, Faculty of Medicine, Amman, 11942, Jordan
| | | | - Tran Le-Huy Vu
- University of California, Los Angeles, CA, 90095, United States
| | - Chau Ho
- Hoan My Cuu Long Hospital, Can Tho, 900000, Vietnam
| | - Amr Sayed Foly
- Faculty of Medicine, Cairo University, Cairo, 11562, Egypt
| | - Anh Phan Phi
- Department of Pharmacology, Loyola University Chicago, Illinois, 60546, USA
| | | | - Marina Mikhail
- Department of Dermatology, Cairo University Hospital, Cairo, 11562, Egypt
| | - Elizabeth Milne
- Telethon Kids Institute, The University of Western Australia, Crawley, Australia.
| | - Kenji Hirayama
- Department of Immunogenetics, Institute of Tropical Medicine (NEKKEN), Leading Graduate School Program, and Graduate School of Biomedical Sciences, Nagasaki University, 1-12-4 Sakamoto, Nagasaki, 852-8523, Japan
| | - Nguyen Tien Huy
- Evidence Based Medicine Research Group & Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam.
- Department of Clinical Product Development, Institute of Tropical Medicine (NEKKEN), Leading Graduate School Program, and Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan.
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Kelly M, McNeel D, Fisch P, Malkovsky M. Immunological considerations underlying heat shock protein-mediated cancer vaccine strategies. Immunol Lett 2017; 193:1-10. [PMID: 29129721 DOI: 10.1016/j.imlet.2017.11.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 11/01/2017] [Accepted: 11/05/2017] [Indexed: 12/31/2022]
Abstract
The success of active immunotherapies in the prevention of many infectious diseases over the course of over 200 years has lead scientists to wonder if the same principles could be applied to cancer. Antigen-specific active immunotherapies for the treatment of cancer have been researched for over two decades, however, the overwhelming majority of these studies have failed to stimulate robust clinical responses. It is clear that current active immunotherapy research should incorporate methods to increase the immunostimulatory capacity of these therapies. To directly address this need, we propose the addition of the immunostimulatory heat shock proteins (HSPs) to active immunotherapeutic strategies to augment their efficacy. Heat shock proteins are a family of highly conserved intracellular chaperone proteins, and are the most abundant family proteins inside cells. This ubiquity, and their robust immunostimulatory capacity, points to their importance in regulation of intracellular processes and, therefore, indicators of loss of cellular integrity if found extracellularly. Thus, we emphasize the importance of taking into consideration the location of vaccine-derived HSP/tumor-antigen complexes when designing active immunotheraputic strategies.
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Affiliation(s)
- Matthew Kelly
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Douglas McNeel
- University of Wisconsin Carbone Cancer Center, Madison, WI, USA; Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Paul Fisch
- Universitätsklinikum Freiburg, Institut für Pathologie, Freiburg, Germany
| | - Miroslav Malkovsky
- University of Wisconsin Carbone Cancer Center, Madison, WI, USA; Department of Medical Microbiology and Immunology, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA.
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Kumar S, Stokes J, Singh UP, Scissum Gunn K, Acharya A, Manne U, Mishra M. Targeting Hsp70: A possible therapy for cancer. Cancer Lett 2016; 374:156-166. [PMID: 26898980 PMCID: PMC5553548 DOI: 10.1016/j.canlet.2016.01.056] [Citation(s) in RCA: 154] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 01/28/2016] [Accepted: 01/31/2016] [Indexed: 01/13/2023]
Abstract
In all organisms, heat-shock proteins (HSPs) provide an ancient defense system. These proteins act as molecular chaperones by assisting proper folding and refolding of misfolded proteins and aid in the elimination of old and damaged cells. HSPs include Hsp100, Hsp90, Hsp70, Hsp40, and small HSPs. Through its substrate-binding domains, Hsp70 interacts with wide spectrum of molecules, ranging from unfolded to natively folded and aggregated proteins, and provides cytoprotective role against various cellular stresses. Under pathophysiological conditions, the high expression of Hsp70 allows cells to survive with lethal injuries. Increased Hsp70, by interacting at several points on apoptotic signaling pathways, leads to inhibition of apoptosis. Elevated expression of Hsp70 in cancer cells may be responsible for tumorigenesis and for tumor progression by providing resistance to chemotherapy. In contrast, inhibition or knockdown of Hsp70 reduces the size of tumors and can cause their complete regression. Moreover, extracellular Hsp70 acts as an immunogen that participates in cross presentation of MHC-I molecules. The goals of this review are to examine the roles of Hsp70 in cancer and to present strategies targeting Hsp70 in the development of cancer therapeutics.
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Affiliation(s)
- Sanjay Kumar
- Cancer Biology Research and Training Program, Department of Biological Sciences, Alabama State University, AL 36101, USA
| | - James Stokes
- Cancer Biology Research and Training Program, Department of Biological Sciences, Alabama State University, AL 36101, USA
| | - Udai P Singh
- Department of Pathology, Microbiology and Immunology, University of South Carolina School of Medicine, Columbia, SC 29208, USA
| | - Karyn Scissum Gunn
- Cancer Biology Research and Training Program, Department of Biological Sciences, Alabama State University, AL 36101, USA
| | - Arbind Acharya
- Centre of Advance Study in Zoology, Faculty of Science, Banaras Hindu University, Varanasi 221 005, India
| | - Upender Manne
- Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA
| | - Manoj Mishra
- Cancer Biology Research and Training Program, Department of Biological Sciences, Alabama State University, AL 36101, USA.
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Heat shock protein vaccination and directed IL-2 therapy amplify tumor immunity rapidly following bone marrow transplantation in mice. Blood 2014; 123:3045-55. [PMID: 24687086 DOI: 10.1182/blood-2013-08-520775] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Tumor relapse is the primary cause of mortality in patients with hematologic cancers following autologous hematopoietic stem cell transplantation (HSCT). Vaccination early after HSCT can exploit both the state of lymphopenia and minimal residual disease for generating antitumor immunity. Here, multiple vaccinations using lymphoma cells engineered to secrete heat shock protein fusion gp96-Ig within 2 weeks of T cell-replete syngeneic HSCT led to cross-presentation and increased survival of lymphoma-bearing mice. To enhance vaccine efficacy, interleukin (IL)-2 was directed to predominantly memory phenotype CD8(+) T lymphocytes and natural killer (NK) cells via administration bound to anti-IL-2 monoclonal antibody clone S4B6 (IL-2S4B6). Combination therapy with gp96-Ig vaccination and coordinated infusions of IL-2S4B6 resulted in marked prolongation of survival, which directly correlated with ~500% increase in effector CD8(+) T-cell numbers. Notably, this dual regimen elicited large increases in both donor CD8(+) T and NK cells, but not CD4(+) T lymphocytes; the former 2 populations are essential for both vaccine efficacy and protection against opportunistic infections after HSCT. Indeed, IL-2S4B6-treated HSCT recipients infected with Listeria monocytogenes exhibited decreased bacterial levels. These preclinical studies validate a new strategy particularly well suited to the post-HSCT environment, which may augment adaptive and innate immune function in patients with malignant disease receiving autologous HSCT.
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CD91-Dependent Modulation of Immune Responses by Heat Shock Proteins: A Role in Autoimmunity. Autoimmune Dis 2012; 2012:863041. [PMID: 23209886 PMCID: PMC3507052 DOI: 10.1155/2012/863041] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2012] [Accepted: 10/15/2012] [Indexed: 02/04/2023] Open
Abstract
Heat shock proteins (HSPs) have been known for decades for their ability to protect cells under stressful conditions. In the 1980s a new role was ascribed for several HSPs given their ability to elicit specific immune responses in the setting of cancer and infectious disease. These immune responses have primarily been harnessed for the immunotherapy of cancer in the clinical setting. However, because of the ability of HSPs to prime diverse immune responses, they have also been used for modulation of immune responses during autoimmunity. The apparent dichotomy of immune responses elicited by HSPs is discussed here on a molecular and cellular level. The potential clinical application of HSP-mediated immune responses for therapy of autoimmune diseases is reviewed.
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Fredly H, Reikvam H, Gjertsen BT, Bruserud O. Disease-stabilizing treatment with all-trans retinoic acid and valproic acid in acute myeloid leukemia: serum hsp70 and hsp90 levels and serum cytokine profiles are determined by the disease, patient age, and anti-leukemic treatment. Am J Hematol 2012; 87:368-76. [PMID: 22374841 DOI: 10.1002/ajh.23116] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2011] [Revised: 11/30/2011] [Accepted: 12/29/2011] [Indexed: 02/05/2023]
Abstract
Heat shock protein (HSP) 70 and HSP90 are released by primary human acute myeloid leukemia (AML) cells during stress-induced spontaneous in vitro apoptosis. The AML cells also show constitutive release of several cytokines and the systemic serum levels of several soluble mediators are altered in patients with untreated AML. In the present study, we have investigated serum levels of HSP70/HSP90 and the serum cytokine profiles of patients with untreated AML and patients receiving AML-stabilizing palliative treatment based on all-trans retinoic acid (ATRA) plus valproic acid. Patients with untreated AML showed increased HSP90 levels and a distinct serum cytokine profile when compared with healthy controls, and low pre-therapy HSP90 levels were associated with a prolonged survival during treatment with ATRA + valproic acid + theophyllin. Hierarchical cluster analysis showed a close association between HSP70, HSP90, IL-1 receptor antagonist (IL-1ra), and hepatocyte growth factor (HGF) levels. Furthermore, disease-stabilizing therapy altered the serum-cytokine profile, but the correlations between HSP70/HSP90/IL-1ra/HGF were maintained only when ATRA + valproic acid were combined with theophyllin but not when combined with cytarabine. We conclude that both HSP levels and serum cytokine profiles are altered and may represent possible therapeutic targets or prognostic markers in human AML.
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MESH Headings
- Adult
- Age Factors
- Aged
- Aged, 80 and over
- Antineoplastic Combined Chemotherapy Protocols/therapeutic use
- Cytarabine/administration & dosage
- Cytokines/blood
- Female
- HSP70 Heat-Shock Proteins/blood
- HSP90 Heat-Shock Proteins/blood
- Humans
- Leukemia, Myeloid, Acute/blood
- Leukemia, Myeloid, Acute/drug therapy
- Leukemia, Myeloid, Acute/immunology
- Leukemia, Myelomonocytic, Acute/blood
- Leukemia, Myelomonocytic, Acute/drug therapy
- Leukemia, Myelomonocytic, Acute/immunology
- Male
- Middle Aged
- Neoplasm Proteins/blood
- Palliative Care
- Prognosis
- Theophylline/administration & dosage
- Tretinoin/administration & dosage
- Tretinoin/pharmacology
- Tumor Cells, Cultured/drug effects
- Tumor Cells, Cultured/metabolism
- Valproic Acid/administration & dosage
- Valproic Acid/pharmacology
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Affiliation(s)
- Hanne Fredly
- Section for Hematology, Institute of Medicine, University of Bergen, Bergen, Norway.
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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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