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Mouawad N, Capasso G, Ruggeri E, Martinello L, Severin F, Visentin A, Facco M, Trentin L, Frezzato F. Is It Still Possible to Think about HSP70 as a Therapeutic Target in Onco-Hematological Diseases? Biomolecules 2023; 13:biom13040604. [PMID: 37189352 DOI: 10.3390/biom13040604] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/21/2023] [Accepted: 03/26/2023] [Indexed: 03/30/2023] Open
Abstract
The search for molecules to be targeted that are involved in apoptosis resistance/increased survival and pathogenesis of onco-hematological malignancies is ongoing since these diseases are still not completely understood. Over the years, a good candidate has been identified in the Heat Shock Protein of 70kDa (HSP70), a molecule defined as “the most cytoprotective protein ever been described”. HSP70 is induced in response to a wide variety of physiological and environmental insults, allowing cells to survive lethal conditions. This molecular chaperone has been detected and studied in almost all the onco-hematological diseases and is also correlated to poor prognosis and resistance to therapy. In this review, we give an overview of the discoveries that have led us to consider HSP70 as a therapeutic target for mono- or combination-therapies in acute and chronic leukemias, multiple myeloma and different types of lymphomas. In this excursus, we will also consider HSP70 partners, such as its transcription factor HSF1 or its co-chaperones whose druggability could indirectly affect HSP70. Finally, we will try to answer the question asked in the title of this review considering that, despite the effort made by research in this field, HSP70 inhibitors never reached the clinic.
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Scordino M, Frinchi M, Urone G, Nuzzo D, Mudò G, Di Liberto V. Manipulation of HSP70-SOD1 Expression Modulates SH-SY5Y Differentiation and Susceptibility to Oxidative Stress-Dependent Cell Damage: Involvement in Oxotremorine-M-Mediated Neuroprotective Effects. Antioxidants (Basel) 2023; 12:antiox12030687. [PMID: 36978935 PMCID: PMC10045076 DOI: 10.3390/antiox12030687] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/04/2023] [Accepted: 03/07/2023] [Indexed: 03/14/2023] Open
Abstract
The differentiation of neural progenitors is a complex process that integrates different signals to drive transcriptional changes, which mediate metabolic, electrophysiological, and morphological cellular specializations. Understanding these adjustments is essential within the framework of stem cell and cancer research and therapy. Human neuroblastoma SH-SY5Y cells, widely used in neurobiology research, can be differentiated into neuronal-like cells through serum deprivation and retinoic acid (RA) supplementation. In our study, we observed that the differentiation process triggers the expression of Heat Shock Protein 70 (HSP70). Notably, inhibition of HSP70 expression by KNK437 causes a dramatic increase in cell death. While undifferentiated SH-SY5Y cells show a dose-dependent decrease in cell survival following exposure to hydrogen peroxide (H2O2), differentiated cells become resistant to H2O2-induced cell death. Interestingly, the differentiation process enhances the expression of SOD1 protein, and inhibition of HSP70 expression counteracts this effect and increases the susceptibility of differentiated cells to H2O2-induced cell death, suggesting that the cascade HSP70-SOD1 is involved in promoting survival against oxidative stress-dependent damage. Treatment of differentiated SH-SY5Y cells with Oxotremorine-M (Oxo), a muscarinic acetylcholine receptor agonist, enhances the expression of HSP70 and SOD1 and counteracts tert–Butyl hydroperoxide-induced cell death and reactive oxygen species (ROS) generation. It is worth noting that co-treatment with KNK437 reduces SOD1 expression and Oxo-induced protection against oxidative stress damage, suggesting the involvement of HSP70/SOD1 signaling in this beneficial effect. In conclusion, our findings demonstrate that manipulation of the HSP70 signal modulates SH-SY5Y differentiation and susceptibility to oxidative stress-dependent cell death and unravels novel mechanisms involved in Oxo neuroprotective functions. Altogether these data provide novel insights into the mechanisms underlying neuronal differentiation and preservation under stress conditions.
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Affiliation(s)
- Miriana Scordino
- Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata, Università di Palermo, Corso Tukory 129, 90134 Palermo, Italy
| | - Monica Frinchi
- Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata, Università di Palermo, Corso Tukory 129, 90134 Palermo, Italy
| | - Giulia Urone
- Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata, Università di Palermo, Corso Tukory 129, 90134 Palermo, Italy
| | - Domenico Nuzzo
- Istituto per la Ricerca e l’Innovazione Biomedica (IRIB), Consiglio Nazionale delle Ricerche (CNR), via U. La Malfa 153, 90146 Palermo, Italy
| | - Giuseppa Mudò
- Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata, Università di Palermo, Corso Tukory 129, 90134 Palermo, Italy
- Correspondence: (G.M.); (V.D.L.)
| | - Valentina Di Liberto
- Dipartimento di Biomedicina, Neuroscienze e Diagnostica Avanzata, Università di Palermo, Corso Tukory 129, 90134 Palermo, Italy
- Correspondence: (G.M.); (V.D.L.)
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Heat-Shock Proteins in Leukemia and Lymphoma: Multitargets for Innovative Therapeutic Approaches. Cancers (Basel) 2023; 15:cancers15030984. [PMID: 36765939 PMCID: PMC9913431 DOI: 10.3390/cancers15030984] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/27/2023] [Accepted: 01/31/2023] [Indexed: 02/08/2023] Open
Abstract
Heat-shock proteins (HSPs) are powerful chaperones that provide support for cellular functions under stress conditions but also for the homeostasis of basic cellular machinery. All cancer cells strongly rely on HSPs, as they must continuously adapt to internal but also microenvironmental stresses to survive. In solid tumors, HSPs have been described as helping to correct the folding of misfolded proteins, sustain oncogenic pathways, and prevent apoptosis. Leukemias and lymphomas also overexpress HSPs, which are frequently associated with resistance to therapy. HSPs have therefore been proposed as new therapeutic targets. Given the specific biology of hematological malignancies, it is essential to revise their role in this field, providing a more adaptable and comprehensive picture that would help design future clinical trials. To that end, this review will describe the different pathways and functions regulated by HSP27, HSP70, HSP90, and, not least, HSP110 in leukemias and lymphomas.
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Hu C, Yang J, Qi Z, Wu H, Wang B, Zou F, Mei H, Liu J, Wang W, Liu Q. Heat shock proteins: Biological functions, pathological roles, and therapeutic opportunities. MedComm (Beijing) 2022; 3:e161. [PMID: 35928554 PMCID: PMC9345296 DOI: 10.1002/mco2.161] [Citation(s) in RCA: 89] [Impact Index Per Article: 44.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 06/27/2022] [Accepted: 06/28/2022] [Indexed: 12/12/2022] Open
Abstract
The heat shock proteins (HSPs) are ubiquitous and conserved protein families in both prokaryotic and eukaryotic organisms, and they maintain cellular proteostasis and protect cells from stresses. HSP protein families are classified based on their molecular weights, mainly including large HSPs, HSP90, HSP70, HSP60, HSP40, and small HSPs. They function as molecular chaperons in cells and work as an integrated network, participating in the folding of newly synthesized polypeptides, refolding metastable proteins, protein complex assembly, dissociating protein aggregate dissociation, and the degradation of misfolded proteins. In addition to their chaperone functions, they also play important roles in cell signaling transduction, cell cycle, and apoptosis regulation. Therefore, malfunction of HSPs is related with many diseases, including cancers, neurodegeneration, and other diseases. In this review, we describe the current understandings about the molecular mechanisms of the major HSP families including HSP90/HSP70/HSP60/HSP110 and small HSPs, how the HSPs keep the protein proteostasis and response to stresses, and we also discuss their roles in diseases and the recent exploration of HSP related therapy and diagnosis to modulate diseases. These research advances offer new prospects of HSPs as potential targets for therapeutic intervention.
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Affiliation(s)
- Chen Hu
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China
| | - Jing Yang
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China
| | - Ziping Qi
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China
| | - Hong Wu
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China
| | - Beilei Wang
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China
| | - Fengming Zou
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China
| | - Husheng Mei
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,University of Science and Technology of China Hefei Anhui P. R. China
| | - Jing Liu
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China.,University of Science and Technology of China Hefei Anhui P. R. China
| | - Wenchao Wang
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China.,University of Science and Technology of China Hefei Anhui P. R. China
| | - Qingsong Liu
- Anhui Province Key Laboratory of Medical Physics and Technology Institute of Health and Medical Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Hefei Anhui P. R. China.,Hefei Cancer Hospital Chinese Academy of Sciences Hefei Anhui P. R. China.,University of Science and Technology of China Hefei Anhui P. R. China.,Precision Medicine Research Laboratory of Anhui Province Hefei Anhui P. R. China
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5
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Kulkarni R. Early Growth Response Factor 1 in Aging Hematopoietic Stem Cells and Leukemia. Front Cell Dev Biol 2022; 10:925761. [PMID: 35923847 PMCID: PMC9340249 DOI: 10.3389/fcell.2022.925761] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 06/14/2022] [Indexed: 11/13/2022] Open
Abstract
Aging is associated with various hematological disorders and a higher risk of myeloproliferative disorders. An aged hematopoietic system can be characterized by decreased immune function and increased myeloid cell production. Hematopoietic stem cells (HSCs) regulate the production of blood cells throughout life. The self-renewal and regenerative potential of HSCs determine the quality and quantity of the peripheral blood cells. External signals from the microenvironment under different conditions determine the fate of the HSCs to proliferate, self-renew, differentiate, or remain quiescent. HSCs respond impromptu to a vast array of extracellular signaling cascades such as cytokines, growth factors, or nutrients, which are crucial in the regulation of HSCs. Early growth response factor 1 (EGR1) is one of the key transcription factors controlling HSC proliferation and their localization in the bone marrow (BM) niche. Downregulation of Egr1 activates and recruits HSCs for their proliferation and differentiation to produce mature blood cells. Increased expression of Egr1 is implicated in immuno-aging of HSCs. However, dysregulation of Egr1 is associated with hematological malignancies such as acute myeloid leukemia (AML), acute lymphoblastic leukemia (ALL), and chronic myelogenous leukemia (CML). Here, we summarize the current understanding of the role of EGR1 in the regulation of HSC functionality and the manifestation of leukemia. We also discuss the alternative strategies to rejuvenate the aged HSCs by targeting EGR1 in different settings.
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Li S, Zhang L, Li M, Huang J, Cui B, Jia J, Guo Z, Ma K, Cui C. Anti-CD19 mAb modified mesoporous titanium dioxide as exclusively targeting vector for efficient B-lymphoblastic leukemia therapy. J Pharm Sci 2021; 110:2733-2742. [PMID: 33639139 DOI: 10.1016/j.xphs.2021.02.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 02/04/2021] [Accepted: 02/09/2021] [Indexed: 01/07/2023]
Abstract
B lymphoblastic leukemia (B-LL) is a clonal hematopoietic stem cell neoplasm derived from B-cell progenitors, which mainly occurs in children and adolescents and is one of the main causes of death from malignant tumors in this population. The surface marker CD19 is specifically expressed on the membrane of most malignant B-cells, which is widely used as a marker of B-LL antigen-specific immunotherapy. In this study, mesoporous titanium dioxide nanoparticles (MTNs)-based antibody drug delivery system was designed for B-LL treatment. Anti-CD19 monoclonal antibody was conjugated to PEGylated MTNs, and doxorubicin (DOX) was loaded in the nanoparticle. The CD19-PEG-MTN/DOX nanoparticle could recognize CD19+B-LL cell lines and induced them apoptosis, but nontoxic for the normal cells. Further, after treated with CD19-PEG-MTN/DOX nanoparticle, pro-apoptotic proteins Bax and Caspase-3 in KOPN 8 and NALM-6 cells were significantly upregulated, but anti-apoptotic proteins Bcl2, MCL-1, HSP 70, and BAG 3 were downregulated, which indicated the activation of the apoptosis pathway by the nanodrug. By contrast, CD19-PEG-MTN/DOX didn't play a part on CD19-cell line U937. Besides, the cytotoxicity of CD19-PEG-MTN/DOX was low with good biocompatibility. Collectively, CD19-PEG-MTN/DOX is a promising antitumor nanodrug for the treatment of B-LL.
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Affiliation(s)
- Shanshan Li
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin, China
| | - Long Zhang
- Department of Obstetrics and Gynaecology of the Panjin Peoples Hospital, Panjin, Liaoning Province, China
| | - Mingda Li
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin, China
| | - Jiao Huang
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin, China
| | - Baocheng Cui
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin, China
| | - Jie Jia
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin, China
| | - Zhaoming Guo
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin, China
| | - Kun Ma
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin, China.
| | - Changhao Cui
- School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin, China.
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