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Li Y, Li J, Lu Y, Ma Y. ZnO nanomaterials target mitochondrial apoptosis and mitochondrial autophagy pathways in cancer cells. Cell Biochem Funct 2024; 42:e3909. [PMID: 38269499 DOI: 10.1002/cbf.3909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 12/11/2023] [Accepted: 12/12/2023] [Indexed: 01/26/2024]
Abstract
In recent years, the application of engineering nanomaterials has significantly contributed to the development of various biomedical fields. Zinc oxide nanomaterials (ZnO NMts) have gained wide popularity due to their biocompatibility, unique physical and chemical properties, stability, and cost-effectiveness for large-scale production. They have emerged as potential materials for anticancer applications. This article provides a comprehensive review of the synthesis methods of ZnO NMts and highlights the advantages of combining ZnO NMts with anticancer drugs as a nano platform for cancer treatment. Additionally, the article briefly explains the mechanism of action of ZnO NMts in tumor cells, focusing on the mitochondrial pathways that target cell apoptosis and autophagy. It is observed that these pathways are primarily influenced by reactive oxygen species generated through oxidative stress. The article discusses the promising prospects of ZnO NMts combined with anticancer drugs in the field of cancer medicine and emphasizes the need for further in-depth research on the mitochondrial apoptosis and mitochondrial autophagy pathways.
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Affiliation(s)
- Yuanyuan Li
- College of Veterinary Medicine, Gansu Agriculture University, Lanzhou, China
| | - Jingjing Li
- College of Pharmacy, Gansu University of Traditional Chinese Medicine, Lanzhou, China
| | - Yan Lu
- College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou, China
| | - Yonghua Ma
- College of Veterinary Medicine, Gansu Agriculture University, Lanzhou, China
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Nyui T, Yoshino H, Nunota T, Sato Y, Tsuruga E. cGAS Regulates the Radioresistance of Human Head and Neck Squamous Cell Carcinoma Cells. Cells 2022; 11:cells11091434. [PMID: 35563740 PMCID: PMC9101626 DOI: 10.3390/cells11091434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/11/2022] [Accepted: 04/22/2022] [Indexed: 02/07/2023] Open
Abstract
Cyclic GMP-AMP synthase (cGAS) plays an important role in biological responses to pathogens. The activation of the cGAS pathway in immune cells is known to induce antitumor effects, but the role of cGAS in cancer cells remains poorly understood. In silico analysis using public databases suggested that high cGAS expression in head and neck squamous cell carcinoma (HNSCC) is indicative of a poor prognosis for HNSCC patients. We therefore investigated the role of cGAS in malignancies and the cellular radiation response of human HNSCC cells (SAS and Ca9-22) in vitro, because radiotherapy is one of the treatments most commonly used for HNSCC. Although cGAS knockdown failed to suppress the proliferation of non-irradiated HNSCC cells, it enhanced the radiosensitivity of HNSCC cells. The administration of the cGAS agonist increased the radioresistance of HNSCC cells. cGAS knockdown increased radiation-induced mitotic catastrophe, apoptosis, or cellular senescence, depending on the cell line, and this cell line-dependent response might be due to different responses of p21 after irradiation. Collectively, our findings indicate that the cGAS pathway regulates the radioresistance of HNSCC cells.
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Affiliation(s)
- Taichi Nyui
- Department of Radiation Science, Hirosaki University Graduate School of Health Sciences, Hirosaki 036-8564, Aomori, Japan; (T.N.); (Y.S.); (E.T.)
| | - Hironori Yoshino
- Department of Radiation Science, Hirosaki University Graduate School of Health Sciences, Hirosaki 036-8564, Aomori, Japan; (T.N.); (Y.S.); (E.T.)
- Correspondence: ; Tel.: +81-172-39-5528
| | - Tetsuya Nunota
- Department of Radiological Technology, Hirosaki University School of Health Sciences, Hirosaki 036-8564, Aomori, Japan;
| | - Yoshiaki Sato
- Department of Radiation Science, Hirosaki University Graduate School of Health Sciences, Hirosaki 036-8564, Aomori, Japan; (T.N.); (Y.S.); (E.T.)
| | - Eichi Tsuruga
- Department of Radiation Science, Hirosaki University Graduate School of Health Sciences, Hirosaki 036-8564, Aomori, Japan; (T.N.); (Y.S.); (E.T.)
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How Macrophages Become Transcriptionally Dysregulated: A Hidden Impact of Antitumor Therapy. Int J Mol Sci 2021; 22:ijms22052662. [PMID: 33800829 PMCID: PMC7961970 DOI: 10.3390/ijms22052662] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 02/26/2021] [Accepted: 03/01/2021] [Indexed: 12/12/2022] Open
Abstract
Tumor-associated macrophages (TAMs) are the essential components of the tumor microenvironment. TAMs originate from blood monocytes and undergo pro- or anti-inflammatory polarization during their life span within the tumor. The balance between macrophage functional populations and the efficacy of their antitumor activities rely on the transcription factors such as STAT1, NF-κB, IRF, and others. These molecular tools are of primary importance, as they contribute to the tumor adaptations and resistance to radio- and chemotherapy and can become important biomarkers for theranostics. Herein, we describe the major transcriptional mechanisms specific for TAM, as well as how radio- and chemotherapy can impact gene transcription and functionality of macrophages, and what are the consequences of the TAM-tumor cooperation.
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Sato Y, Yoshino H, Kashiwakura I, Tsuruga E. DAP3 Is Involved in Modulation of Cellular Radiation Response by RIG-I-Like Receptor Agonist in Human Lung Adenocarcinoma Cells. Int J Mol Sci 2021; 22:E420. [PMID: 33401559 PMCID: PMC7795940 DOI: 10.3390/ijms22010420] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 12/28/2020] [Accepted: 12/30/2020] [Indexed: 12/14/2022] Open
Abstract
Retinoic acid-inducible gene-I (RIG-I)-like receptors (RLRs) mediate anti-viral response through mitochondria. In addition, RLR activation induces anti-tumor effects on various cancers. We previously reported that the RLR agonist Poly(I:C)-HMW/LyoVec™ (Poly(I:C)) enhanced radiosensitivity and that cotreatment with Poly(I:C) and ionizing radiation (IR) more than additively increased cell death in lung adenocarcinoma cells, indicating that Poly(I:C) modulates the cellular radiation response. However, it remains unclear how mitochondria are involved in the modulation of this response. Here, we investigated the involvement of mitochondrial dynamics and mitochondrial ribosome protein death-associated protein 3 (DAP3) in the modulation of cellular radiation response by Poly(I:C) in A549 and H1299 human lung adenocarcinoma cell lines. Western blotting revealed that Poly(I:C) decreased the expression of mitochondrial dynamics-related proteins and DAP3. In addition, siRNA experiments showed that DAP3, and not mitochondrial dynamics, is involved in the resistance of lung adenocarcinoma cells to IR-induced cell death. Finally, we revealed that a more-than-additive effect of cotreatment with Poly(I:C) and IR on increasing cell death was diluted by DAP3-knockdown because of an increase in cell death induced by IR alone. Together, our findings suggest that RLR agonist Poly(I:C) modulates the cellular radiation response of lung adenocarcinoma cells by downregulating DAP3 expression.
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Affiliation(s)
| | - Hironori Yoshino
- Department of Radiation Science, Graduate School of Health Sciences, Hirosaki University, Hirosaki, Aomori 036-8564, Japan; (Y.S.); (I.K.); (E.T.)
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Bai G, Matsuba T, Niki T, Hattori T. Stimulation of THP-1 Macrophages with LPS Increased the Production of Osteopontin-Encapsulating Exosome. Int J Mol Sci 2020; 21:ijms21228490. [PMID: 33187327 PMCID: PMC7696453 DOI: 10.3390/ijms21228490] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 11/09/2020] [Indexed: 12/12/2022] Open
Abstract
Osteopontin (OPN) mediates bone remodeling and tissue debridement. The OPN protein is cleaved, but it is unclear how full-length (FL)-OPN or its cleaved form perform their biological activities in target cells. We, therefore, performed the molecular characterization of OPN in exosomes (Exo). The Exo were isolated from lipopolysaccharide (LPS)-stimulated phorbol 12-myristate 13-acetate (PMA)-differentiated THP-1 macrophages. The Exo were also isolated from PMA-differentiated THP-1 macrophages. The Exo were identified using the qNano multiple analyzer (diameter 59–315 nm) and western blotting with a CD9 antibody. LPS-stimulated cells produced more particles than non-stimulated cells. The presence of the FL or the cleaved form of OPN was confirmed using western blot analysis. A mixture of FL and cleaved OPN was also measured using an ELISA system (Ud-OPN) and their presence in the Exo was confirmed. Ud/FL ratios became low after LPS stimulation, indicating the enhanced encapsulation of FL-OPN in the Exo by LPS. These findings suggest that LPS stimulation of human macrophages facilitates the synthesis of FL-OPN, which is cleaved in cells or the Exo after release. These findings indicate that Exo is a suitable vehicle to transfer OPN to the target cells.
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Affiliation(s)
- Gaowa Bai
- Department of Health Science and Social Welfare, Kibi International University, Takahashi 716-8508, Japan;
| | - Takashi Matsuba
- Division of Bacteriology, Department of Microbiology and Immunology, Faculty of Medicine, Tottori University, Yonago, Tottori 683-8503, Japan;
| | - Toshiro Niki
- Department of Immunology, Kagawa University, Kita-gun, Kagawa 7610793, Japan;
| | - Toshio Hattori
- Department of Health Science and Social Welfare, Kibi International University, Takahashi 716-8508, Japan;
- Correspondence: ; Tel.: +81-866-22-9469
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Karyopherin-β1 Regulates Radioresistance and Radiation-Increased Programmed Death-Ligand 1 Expression in Human Head and Neck Squamous Cell Carcinoma Cell Lines. Cancers (Basel) 2020; 12:cancers12040908. [PMID: 32276424 PMCID: PMC7226044 DOI: 10.3390/cancers12040908] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 03/27/2020] [Accepted: 04/04/2020] [Indexed: 12/13/2022] Open
Abstract
Nuclear transport receptors, such as karyopherin-β1 (KPNB1), play important roles in the nuclear-cytoplasmic transport of macromolecules. Recent evidence indicates the involvement of nuclear transport receptors in the progression of cancer, making these receptors promising targets for the treatment of cancer. Here, we investigated the anticancer effects of KPNB1 blockage or in combination with ionizing radiation on human head and neck squamous cell carcinoma (HNSCC). HNSCC cell line SAS and Ca9-22 cells were used in this study. Importazole, an inhibitor of KPNB1, or knockdown of KPNB1 by siRNA transfection were applied for the blockage of KPNB1 functions. The roles of KPNB1 on apoptosis induction and cell surface expression levels of programmed death-ligand 1 (PD-L1) in irradiated HNSCC cells were investigated. The major findings of this study are that (i) blockage of KPNB1 specifically enhanced the radiation-induced apoptosis and radiosensitivity of HNSCC cells; (ii) importazole elevated p53-upregulated modulator of apoptosis (PUMA) expression via blocking the nuclear import of SCC-specific oncogene ΔNp63 in HNSCC cells; and (iii) blockage of KPNB1 attenuated the upregulation of cell surface PD-L1 expression on irradiated HNSCC cells. Taken together, these results suggest that co-treatment with KPNB1 blockage and ionizing radiation is a promising strategy for the treatment of HNSCC.
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Cao X, Wen P, Fu Y, Gao Y, Qi X, Chen B, Tao Y, Wu L, Xu A, Lu H, Zhao G. Radiation induces apoptosis primarily through the intrinsic pathway in mammalian cells. Cell Signal 2019; 62:109337. [PMID: 31173879 DOI: 10.1016/j.cellsig.2019.06.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 06/03/2019] [Accepted: 06/03/2019] [Indexed: 12/13/2022]
Abstract
Radiation-induced tumor cells death is the theoretical basis of tumor radiotherapy. Death signaling disorder is the most important factor for radioresistance. However, the signaling pathway(s) leading to radiation-triggered cell death is (are) still not completely known. To better understand the cell death signaling induced by radiation, the immortalized mouse embryonic fibroblast (MEF) deficient in "initiator" caspases, "effector" caspases or different Bcl-2 family proteins together with human colon carcinoma cell HCT116 were used. Our data indicated that radiation selectively induced the activation of caspase-9 and caspase-3/7 but not caspase-8 by triggering mitochondrial outer membrane permeabilization (MOMP). Importantly, the role of radiation in MOMP is independent of the activation of both "initiator" and "effector" caspases. Furthermore, both proapoptotic and antiapoptotic Bcl-2 family proteins were involved in radiation-induced apoptotic signaling. Overall, our study indicated that radiation specifically triggered the intrinsic apoptotic signaling pathway through Bcl-2 family protein-dependent mitochondrial permeabilization, which indicates targeting mitochondria is a promising strategy for cancer radiotherapy.
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Affiliation(s)
- Xianbin Cao
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology, Hefei, PR China; University of Science and Technology of China, Hefei, PR China
| | - Pengbo Wen
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology, Hefei, PR China; University of Science and Technology of China, Hefei, PR China
| | - Yanfang Fu
- School of Natural Resources and Environment, Chizhou University, Chizhou, Anhui 247000, PR China
| | - Yang Gao
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology, Hefei, PR China; University of Science and Technology of China, Hefei, PR China
| | - Xiaojing Qi
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology, Hefei, PR China; University of Science and Technology of China, Hefei, PR China
| | - Bin Chen
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology, Hefei, PR China; University of Science and Technology of China, Hefei, PR China
| | - Yinping Tao
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology, Hefei, PR China; University of Science and Technology of China, Hefei, PR China
| | - Lijun Wu
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology, Hefei, PR China
| | - An Xu
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology, Hefei, PR China
| | - Huayi Lu
- Second Hospital, Jilin University, Changchun, PR China.
| | - Guoping Zhao
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Anhui Province Key Laboratory of Environmental Toxicology and Pollution Control Technology, Hefei, PR China.
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