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Hu B, Liu G, Zhao K, Zhang G. Diversity of extracellular HSP70 in cancer: advancing from a molecular biomarker to a novel therapeutic target. Front Oncol 2024; 14:1388999. [PMID: 38646439 PMCID: PMC11026673 DOI: 10.3389/fonc.2024.1388999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 03/25/2024] [Indexed: 04/23/2024] Open
Abstract
Heat shock protein 70 (HSP70) is a highly conserved protein functioning as a "molecular chaperone", which is integral to protein folding and maturation. In addition to its high expression within cells upon stressful challenges, HSP70 can be translocated to the cell membrane or released from cells in free form or within extracellular vesicles (EVs). Such trafficking of HSP70 is also present in cancer cells, as HSP70 is overexpressed in various types of patient samples across a range of common malignancies, signifying that extracellular HSP70 (eHSP70) can serve as a tumor biomarker. eHSP70 is involved in a broad range of cancer-related events, including cell proliferation and apoptosis, extracellular matrix (ECM) remodeling, epithelial-mesenchymal transition (EMT), angiogenesis, and immune response. eHSP70 can also induce cancer cell resistance to various treatments, such as chemotherapy, radiotherapy, and anti-programmed death-1 (PD-1) immunotherapy. Though the role of eHSP70 in tumors is contradictory, characterized by both pro-tumor and anti-tumor effects, eHSP70 serves as a promising target in cancer treatment. In this review, we comprehensively summarized the current knowledge about the role of eHSP70 in cancer progression and treatment resistance and discussed the feasibility of eHSP70 as a cancer biomarker and therapeutic target.
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Affiliation(s)
- Binbin Hu
- Department of Radiation Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Guihong Liu
- Department of Radiation Oncology, Cancer Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Kejia Zhao
- Department of Thoracic Surgery and Institute of Thoracic Oncology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- Western China Collaborative Innovation Center for Early Diagnosis and Multidisciplinary Therapy of Lung Cancer, Chengdu, Sichuan, China
| | - Gao Zhang
- Faculty of Dentistry, The University of Hong Kong, Hong Kong, Hong Kong SAR, China
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Zhao K, Zhou G, Liu Y, Zhang J, Chen Y, Liu L, Zhang G. HSP70 Family in Cancer: Signaling Mechanisms and Therapeutic Advances. Biomolecules 2023; 13:601. [PMID: 37189349 PMCID: PMC10136146 DOI: 10.3390/biom13040601] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/10/2023] [Accepted: 03/17/2023] [Indexed: 03/29/2023] Open
Abstract
The 70 kDa heat shock proteins (HSP70s) are a group of highly conserved and inducible heat shock proteins. One of the main functions of HSP70s is to act as molecular chaperones that are involved in a large variety of cellular protein folding and remodeling processes. HSP70s are found to be over-expressed and may serve as prognostic markers in many types of cancers. HSP70s are also involved in most of the molecular processes of cancer hallmarks as well as the growth and survival of cancer cells. In fact, many effects of HSP70s on cancer cells are not only related to their chaperone activities but rather to their roles in regulating cancer cell signaling. Therefore, a number of drugs directly or indirectly targeting HSP70s, and their co-chaperones have been developed aiming to treat cancer. In this review, we summarized HSP70-related cancer signaling pathways and corresponding key proteins regulated by the family of HSP70s. In addition, we also summarized various treatment approaches and progress of anti-tumor therapy based on targeting HSP70 family proteins.
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Affiliation(s)
- Kejia Zhao
- Department of Thoracic Surgery and Institute of Thoracic Oncology, West China Hospital, Sichuan University, Chengdu 610041, China
- Western China Collaborative Innovation Center for Early Diagnosis and Multidisciplinary Therapy of Lung Cancer, Chengdu 610041, China
| | - Guanyu Zhou
- Department of Thoracic Surgery and Institute of Thoracic Oncology, West China Hospital, Sichuan University, Chengdu 610041, China
- Western China Collaborative Innovation Center for Early Diagnosis and Multidisciplinary Therapy of Lung Cancer, Chengdu 610041, China
- Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yu Liu
- Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital, Hong Kong 999077, China
| | - Jian Zhang
- Department of Thoracic Surgery and Institute of Thoracic Oncology, West China Hospital, Sichuan University, Chengdu 610041, China
- Western China Collaborative Innovation Center for Early Diagnosis and Multidisciplinary Therapy of Lung Cancer, Chengdu 610041, China
| | - Yaohui Chen
- Department of Thoracic Surgery and Institute of Thoracic Oncology, West China Hospital, Sichuan University, Chengdu 610041, China
- Western China Collaborative Innovation Center for Early Diagnosis and Multidisciplinary Therapy of Lung Cancer, Chengdu 610041, China
| | - Lunxu Liu
- Department of Thoracic Surgery and Institute of Thoracic Oncology, West China Hospital, Sichuan University, Chengdu 610041, China
- Western China Collaborative Innovation Center for Early Diagnosis and Multidisciplinary Therapy of Lung Cancer, Chengdu 610041, China
| | - Gao Zhang
- Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital, Hong Kong 999077, China
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Zhao T, Jia H, Cheng Q, Xiao Y, Li M, Ren W, Li C, Feng Y, Feng Z, Wang H, Zheng J. Nifuroxazide prompts antitumor immune response of TCL-loaded DC in mice with orthotopically-implanted hepatocarcinoma. Oncol Rep 2017; 37:3405-3414. [PMID: 28498414 DOI: 10.3892/or.2017.5629] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Accepted: 04/13/2017] [Indexed: 01/10/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is a highly aggressive malignancy with a poor prognosis and high mortality. At present, vaccination with tumor cell lysate (TCL) loaded dendritic cells (DC) has been shown to be an effective therapy against HCC. However, the ability of promoting the specific T cell immune response is rather weak, influencing the antitumor response. Thus, it is necessary to find a strategy to improve the antitumor effect of TCL-loaded DC. Activation of signal transducer and activator of transcription 3 (STAT3) significantly inhibits antitumor immune response and DC maturity. Nifuroxazide, an antidiarrheal agent, has been proved to directly inhibit STAT3 activation. Thus, we investigated whether nifuroxazide could improve the antitumor immune response in mice vaccinated with TCL-loaded DC. The study provides the theoretical and experimental basis for developing an effective adjuvant for DC vaccine to treat HCC. Our results showed that the administration of nifuroxazide and DC-loaded TCL could significantly improve the survival rate, inhibit the tumor growth, and prompt the antitumor immune responses in mice with orthotopically implanted hepatocarcinomas, thus, possibly providing a new combination strategy to treat HCC.
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Affiliation(s)
- Tiesuo Zhao
- Department of Immunology, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Huijie Jia
- Department of Pathology, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Qian Cheng
- Jiangsu Key Laboratory of Biological Cancer Therapy, Xuzhou Medical College, Xuzhou, Jiangsu 221002, P.R. China
| | - Yali Xiao
- Department of Immunology, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Minming Li
- Department of Immunology, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Wenjing Ren
- Department of Dermatology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Chen Li
- Department of Immunology, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Yuchen Feng
- Department of Immunology, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Zhiwei Feng
- Department of Immunology, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Hui Wang
- Research Center for Immunology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan 453003, P.R. China
| | - Junnian Zheng
- Jiangsu Key Laboratory of Biological Cancer Therapy, Xuzhou Medical College, Xuzhou, Jiangsu 221002, P.R. China
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Cui H, Zhang W, Hu W, Liu K, Wang T, Ma N, Liu X, Liu Y, Jiang Y. Recombinant mammaglobin A adenovirus-infected dendritic cells induce mammaglobin A-specific CD8+ cytotoxic T lymphocytes against breast cancer cells in vitro. PLoS One 2013; 8:e63055. [PMID: 23650543 PMCID: PMC3641140 DOI: 10.1371/journal.pone.0063055] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2012] [Accepted: 03/30/2013] [Indexed: 12/23/2022] Open
Abstract
Mammaglobin A (MGBA) is a novel breast cancer-associated antigen almost exclusively over-expressed in primary and metastatic human breast cancers, making it a potential therapeutic target for breast cancer. The development of dendritic cell (DC)-induced tumor antigen specific CD8+ cytotoxic T lymphocytes (CTLs) may hold promise in cancer immunotherapy. In this study we constructed recombinant replication-defective adenoviral (Ad) vectors encoding MGBA and evaluated their ability to trigger anti-tumor immunity in vitro. DCs were isolated from the human peripheral blood monocyte cells (PBMCs) of two HLA-A33+ healthy female volunteers, and infected with adenovirus carrying MGBA cDNA (Ad-MGBA). After that, the Ad-MGBA-infected DCs were used to stimulate CD8+ CTLs in vitro and the latter was used for co-culture with breast cancer cell lines. The data revealed that infection with Ad-MGBA improved DC maturation and up-regulated the expression of co-stimulatory molecules and the secretion of interleukin-12 (IL-12), but down-regulated interleukin-10 (IL-10) secretion from DCs. Ad-MGBA-infected DC-stimulated CD8+CTLs displayed the highest cytotoxicity towards HLA-A33+/MGBA+ breast cancer MDA-MB-415 cells compared with other CD8+CTL populations, and compared with the cytotoxicity towards HLA-A33−/MGBA+ breast cancer HBL-100 cells and HLA-A33−/MGBA− breast cancer MDA-MB 231 cells. In addition, Ad-MGBA-infected DC-stimulated CD8+ CTLs showed a high level of IFNγ secretion when stimulated with HLA-A33+/MGBA+ breast cancer MDA-MB-415 cells, but not when stimulated with HLA-A33−/MGBA+ HBL-100 and HLA-A33−/MGBA−MDA-MB-231 cells. In addition, killing of CD8+CTLs against breast cancer was in a major histocompability complex (MHC)-limited pattern. Finally, the data also determined the importance of TNF-α in activating DCs and T cells. These data together suggest that MGBA recombinant adenovirus-infected DCs could induce specific anti-tumor immunity against MGBA+ breast cancers, which could provide a novel strategy in the immunotherapy of breast cancer.
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Affiliation(s)
- Huixia Cui
- Cancer Research Institute, The First Hospital of China Medical University, Shenyang, China
- College of Nursing, Liaoning Medical University, Jinzhou, China
| | - Wenlu Zhang
- Department of Oncology, The First Hospital of Liaoning Medical University, Jinzhou, China
| | - Wei Hu
- Cancer Research Institute, The First Hospital of China Medical University, Shenyang, China
| | - Kun Liu
- College of Nursing, Liaoning Medical University, Jinzhou, China
| | - Tong Wang
- Cancer Research Institute, The First Hospital of China Medical University, Shenyang, China
| | - Nan Ma
- Cancer Research Institute, The First Hospital of China Medical University, Shenyang, China
| | - Xiaohui Liu
- Cancer Research Institute, The First Hospital of China Medical University, Shenyang, China
| | - Yunpeng Liu
- Department of Medical Oncology, The First Hospital of China Medical University, Shenyang, China
| | - Youhong Jiang
- Cancer Research Institute, The First Hospital of China Medical University, Shenyang, China
- * E-mail:
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Current World Literature. Curr Opin Rheumatol 2013; 25:275-83. [DOI: 10.1097/bor.0b013e32835eb755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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