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Mao Y, Wang L, Xu Z, Xie W, Wang Y, Qiao W, Zhu Z, Wang J. Developing a Selection Framework for Zinc Ion-Based Biomaterial Design: Guided by the Biosafety Assessment of ZIF-8 and ZnO. ACS Biomater Sci Eng 2024; 10:2967-2982. [PMID: 38632925 DOI: 10.1021/acsbiomaterials.3c01693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
In recent years, nanomaterials have gained widespread use in the biomedical field, with ZIF-8 and ZnO emerging as promising candidates due to their remarkable performance in osteogenesis, angiogenesis, and antimicrobial therapy. However, before advancing these nanomaterials for clinical applications, it is imperative to evaluate their biocompatibility. In particular, comparing nanomaterials with similar biomedical functions is crucial for identifying the most suitable nanomaterials for further development and market entry. Our study aimed to compare the biocompatibility of nano-ZIF-8 and nano-ZnO under the same conditions. We found that nano-ZIF-8 exhibited lower toxicity both in vitro and in vivo compared to nano-ZnO. To gain insights into the underlying mechanisms responsible for this difference, we conducted further experiments to investigate lysosome damage, mitochondrial change, and the occurrence of ferroptosis. Additionally, we performed transcriptome sequencing to analyze the expression of relevant genes, thereby providing robust validation for our findings. In summary, our study highlighted the importance of evaluating nanomaterials with similar biomedical effects. Through this comparative study, we have not only shed light on the superior biocompatibility of nano-ZIF-8 over nano-ZnO, but also contributed valuable insights and methodological references for future material screening endeavors. Ultimately, our study served as a stepping stone toward the development of safer and more effective nanomaterials for various biomedical applications.
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Affiliation(s)
- Yilin Mao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Liang Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Zhengyi Xu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Wenjia Xie
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yuting Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Wei Qiao
- Applied Oral Sciences & Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong 000000, China
| | - Zhou Zhu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Jian Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
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Xu X, Xu S, Wan J, Wang D, Pang X, Gao Y, Ni N, Chen D, Sun X. Disturbing cytoskeleton by engineered nanomaterials for enhanced cancer therapeutics. Bioact Mater 2023; 29:50-71. [PMID: 37621771 PMCID: PMC10444958 DOI: 10.1016/j.bioactmat.2023.06.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/14/2023] [Accepted: 06/20/2023] [Indexed: 08/26/2023] Open
Abstract
Cytoskeleton plays a significant role in the shape change, migration, movement, adhesion, cytokinesis, and phagocytosis of tumor cells. In clinical practice, some anti-cancer drugs achieve cytoskeletal therapeutic effects by acting on different cytoskeletal protein components. However, in the absence of cell-specific targeting, unnecessary cytoskeletal recombination in organisms would be disastrous, which would also bring about severe side effects during anticancer process. Nanomedicine have been proven to be superior to some small molecule drugs in cancer treatment due to better stability and targeting, and lower side effects. Therefore, this review summarized the recent developments of various nanomaterials disturbing cytoskeleton for enhanced cancer therapeutics, including carbon, noble metals, metal oxides, black phosphorus, calcium, silicon, polymers, peptides, and metal-organic frameworks, etc. A comprehensive analysis of the characteristics of cytoskeleton therapy as well as the future prospects and challenges towards clinical application were also discussed. We aim to drive on this emerging topic through refreshing perspectives based on our own work and what we have also learnt from others. This review will help researchers quickly understand relevant cytoskeletal therapeutic information to further advance the development of cancer nanomedicine.
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Affiliation(s)
- Xueli Xu
- School of Science, Shandong Jianzhu University, Jinan, 250101, China
| | - Shanbin Xu
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, China
| | - Jipeng Wan
- Department of Gynecology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China
| | - Diqing Wang
- Department of Gynecology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China
| | - Xinlong Pang
- School of Chemistry and Pharmaceutical Engineering, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250000, China
| | - Yuan Gao
- School of Chemistry and Pharmaceutical Engineering, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250000, China
| | - Nengyi Ni
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 117585, Singapore
| | - Dawei Chen
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, China
| | - Xiao Sun
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, 250117, China
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Gold nanoparticles-based photothermal therapy for breast cancer. Photodiagnosis Photodyn Ther 2023; 42:103312. [PMID: 36731732 DOI: 10.1016/j.pdpdt.2023.103312] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 01/01/2023] [Accepted: 01/27/2023] [Indexed: 02/01/2023]
Abstract
AuNPs-mediated photothermal therapy (PTT) is gaining popularity in both laboratory research and medical applications. It has proven clear advantages in breast cancer therapy over conventional thermal ablation because of its easily-tuned features of irradiation light with inside hyperthermia ability. Notwithstanding this significant progress, the therapeutic potential of AuNPs-mediated PTT in cancer treatments is still impeded by several challenges, including inherent non-specificity, low photothermal conversion effectiveness, and the limitation of excitation light tissue penetration. Given the rapid progress of AuNPs-mediated PTT, we present a comprehensive overview of significant breakthroughs in the recent advancements of AuNPs for PTT, focusing on breast cancer cells. With the improvement of chemical synthesis technology, AuNPs of various sizes and shapes with desired properties can be synthesized, allowing breast cancer targeting and treatment. In this study, we summarized the different sizes and features of four major types of AuNPs in this review: Au nanospheres, Au nanocages, Au nanoshells, and Au nanorods, and explored their benefits and drawbacks in PTT. We also discussed the diagnostic, bioconjugation, targeting, and cellular uptake of AuNPs, which could improve the performance of AuNP-based PTT. Besides that, potential challenges and future developments of AuNP-mediated PTT for clinical applications are discussed. AuNP-mediated PTT is expected to become a highly promising avenue in cancer treatment in the near future.
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Cell-Based Metabolomics Approach for Anticipating and Investigating Cytotoxicity of Gold Nanorods. Foods 2022; 11:foods11223569. [PMID: 36429161 PMCID: PMC9689499 DOI: 10.3390/foods11223569] [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: 10/02/2022] [Revised: 11/01/2022] [Accepted: 11/04/2022] [Indexed: 11/11/2022] Open
Abstract
Despite the increasing application of gold nanoparticles, there has been little assessment of biological system toxicity to evaluate their potential impact on human health. In this study, the human hepatoma cell line (Hep G2) was used in a metabolomics approach to study the effects of shape, time, and dose of gold nanorods (GNRs). Using optimized parameters for chromatography and mass spectrometry, the metabolites detected by GC-MS were processed with MS DIAL and identified with Fiehnlib. Key metabolic pathways affected by GNRs were identified by endo-metabolic profiling of cells mixed with GNRs of varying shape while varying the dose and time of exposure. The shape of GNRs affected cytotoxicity, and short GNR (GNR-S) triggered disorder of cell metabolism. High concentrations of GNRs caused more significant toxicity. The cytotoxicity and bioTEM results illustrated that the mitochondria toxicity, as the main cytotoxicity of GNRs, caused declining cytoprotective ability. The mitochondrial dysfunction disrupted alanine, aspartate, glutamate, arginine, and proline metabolism, with amino acid synthesis generally downregulated. However, the efflux function of cells can exclude GNRs extracellularly within 24 h, resulting in reduced cell mitochondrial metabolic toxicity and allowing metabolic disorders to recover to normal function.
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Neuropeptide-Functionalized Gold Nanorod Enhanced Cellular Uptake and Improved In Vitro Photothermal Killing in LRP1-Positive Glioma Cells. Pharmaceutics 2022; 14:pharmaceutics14091939. [PMID: 36145687 PMCID: PMC9504705 DOI: 10.3390/pharmaceutics14091939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/30/2022] [Accepted: 09/08/2022] [Indexed: 12/04/2022] Open
Abstract
The therapeutic modalities for glioblastoma multiforme fail badly due to the limitations of poor penetration through the blood–brain barrier and the lack of tumor targeting. In this study, we synthesized a neuropeptide (ANGIOPEP-2)-functionalized gold nanorod (GNR-ANGI-2) and systemically evaluated the cellular uptake and photothermal effects enhanced by the neuropeptide functionalization of the gold nanorod under laser or sham exposure. The expression of LRP1, the specific ligand for ANGIOPEP-2, was the highest in C6 cells among five studied glioma cell lines. The cellular internalization studies showed higher uptake of gold nanorods functionalized with ANGIOPEP-2 than of those functionalized with scrambled ANGIOPEP-2. The in vitro photothermal studies of C6 cells treated with GNR-ANGI-2 and laser showed a higher rate of apoptosis at early and late stages than cells treated with GNR-ANGI-2 without laser. Correspondingly, in vitro ROS evaluation showed a higher intensity of ROS production in cells treated with GNR-ANGI-2 under laser irradiation. The Western blotting results indicated that GNR-ANGI-2 with laser exposure activated the caspase pathway of apoptosis, and GNR-ANGI-2 with sham exposure induced autophagy in C6 cells. The current study provides in-depth knowledge on the effective time point for maximum cellular uptake of GNR-ANGI-2 to achieve a better anti-glioma effect. Moreover, by exploring the molecular mechanism of cell death with GNR-ANGI-2-mediated photothermal therapy, we could modify the nanoshuttle with multimodal targets to achieve more efficient anti-glioma therapy in the future.
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Li Z, Jiang W, Chu H, Ge J, Wang X, Jiang J, Xiao Q, Meng Q, Hao W, Wei X. Exploration of potential mechanism of interleukin-33 up-regulation caused by 1,4-naphthoquinone black carbon in RAW264.7 cells. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 835:155357. [PMID: 35452731 DOI: 10.1016/j.scitotenv.2022.155357] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 03/30/2022] [Accepted: 04/14/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND As air pollution has been paid more attention to by public in recent years, effects and mechanism in particulate matter-triggered health problems become a focus of research. Lysosomes and mitochondria play an important role in regulation of inflammation. Interleukin-33 (IL-33) has been proved to promote inflammation in our previous studies. In this research, macrophage cell line RAW264.7 was used to explore the potential mechanism of upregulation of IL-33 induced by 1,4-naphthoquinone black carbon (1,4-NQ-BC), and to explore changes of lysosomes and mitochondria during the process. RESULTS 50 μg/mL 1,4-NQ-BC exposure for 24 h dramatically increased expression of IL-33 in RAW264.7 cells. Lysosomal membrane permeability was damaged by 1,4-NQ-BC treatment, and higher mitochondrial membrane potential and ROS level were induced by 1,4-NQ-BC. The results of proteomics suggested that expression of ferritin light chain was increased after cells were challenged with 1,4-NQ-BC, and it was verified by Western blot. Meanwhile, expressions of p62 and LC3B-II were increased by 50 μg/mL 1,4-NQ-BC in RAW264.7 cells. Ultimately, expression of IL-33 could return to same level as control in cells treated with 50 μg/mL 1,4-NQ-BC and 50 μM deferoxamine combined. CONCLUSIONS 1,4-NQ-BC induces IL-33 upregulation in RAW264.7 cells, and it is responsible for higher lysosomal membrane permeability and ROS level, lower mitochondrial membrane potential, and inhibition of autophagy. Ferritin light chain possibly plays an important role in the upregulation of IL-33 evoked by 1,4-NQ-BC.
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Affiliation(s)
- Zekang Li
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China
| | - Wanyu Jiang
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China
| | - Hongqian Chu
- Translational Medicine Center, Beijing Chest Hospital, Capital Medical University, Beijing 101149, PR China; Beijing Key Laboratory in Drug Resistant Tuberculosis Research, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing 101149, PR China
| | - Jianhong Ge
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China
| | - Xiaoyun Wang
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China
| | - Jianjun Jiang
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China
| | - Qianqian Xiao
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China
| | - Qinghe Meng
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China
| | - Weidong Hao
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China
| | - Xuetao Wei
- Department of Toxicology, School of Public Health, Peking University, Beijing 100191, PR China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Beijing 100191, PR China.
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Zhang SW, Wang H, Qiu YY, Huang RC, Dong ZC, Zhang L, Zhao LF, Xu HY, Sun WD. Photothermolysis Mediated by Gold Nanorods Conjugated with Epidermal Growth Factor Receptor (EGFR) Monoclonal Antibody Induces Apoptosis via the Mitochondrial Apoptosis Pathway in Laryngeal Squamous Cell Cancer. J Biomed Nanotechnol 2022; 18:754-762. [PMID: 35715914 DOI: 10.1166/jbn.2022.3272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Gold nanorods (AuNRs) have unique optical properties and biological affinity and can be used to treat tumors when conjugated with other protein molecules. Our previous studies have shown that EGFR monoclonal antibody (EGFRmAb)-modified AuNRs exert strong antitumor activity in vitro by inducing apoptosis. In this study, we tested the effects of EGFRmAb-modified AuNRs on laryngeal squamous cell cancer (LSCC) in vitro and in vivo. The in vitro results showed that EGFRmAb-modified AuNRs inhibited NP-69, BEAS-2B and Hep-2 cell growth and induced mitochondria-dependent apoptosis. The mitochondrial membrane potential was reduced, leading to the release of cytochrome C (Cyt C) and consequent activation of the intrinsic mitochondrial apoptosis pathway. Moreover, we observed that the occurrence of mitochondrial apoptosis is related to the destruction of the lysosome-mitochondria axis. To verify the effects in vivo, we also established a laryngeal tumor model in nude mice by subcutaneous transplantation. In model mice treated with EGFRmAb-modified AuNRs and irradiated with an NIR laser, tumor cell apoptosis and tumor growth were inhibited. These results suggest that EGFRmAb-modified AuNRs induced apoptosis through the intrinsic mitochondrial apoptotic pathway and are a potential candidate for cancer therapy.
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Affiliation(s)
- Shi-Wen Zhang
- First Department of Head and Neck Surgery, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Kunming 650118, Yunnan, China
| | - Hao Wang
- First Department of Head and Neck Surgery, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Kunming 650118, Yunnan, China
| | - You-Yu Qiu
- First Department of Head and Neck Surgery, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Kunming 650118, Yunnan, China
| | - Ren-Chao Huang
- First Department of Head and Neck Surgery, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Kunming 650118, Yunnan, China
| | - Zi-Chen Dong
- First Department of Head and Neck Surgery, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Kunming 650118, Yunnan, China
| | - Lu Zhang
- First Department of Head and Neck Surgery, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Kunming 650118, Yunnan, China
| | - Liu-Fang Zhao
- First Department of Head and Neck Surgery, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Kunming 650118, Yunnan, China
| | - Hong-Yang Xu
- First Department of Head and Neck Surgery, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Kunming 650118, Yunnan, China
| | - Wei-Di Sun
- First Department of Head and Neck Surgery, Yunnan Cancer Hospital, The Third Affiliated Hospital of Kunming Medical University, Kunming 650118, Yunnan, China
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Zhang F, Hou Y, Zhu M, Deng B, Zhao M, Zhu X, Sun Y, Chen D, Jiang C, Wang L, Chen C, Chen H, Chen H, Zheng H, Li W. Death Pathways of Cancer Cells Modulated by Surface Molecule Density on Gold Nanorods. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2102666. [PMID: 34523247 PMCID: PMC8596106 DOI: 10.1002/advs.202102666] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 08/12/2021] [Indexed: 05/13/2023]
Abstract
Necrosis induces strong inflammation with undesirable implications in clinics compared with apoptosis. Fortunately, the switch between necrosis and apoptosis could be realized by tailoring the appropriate structural properties of gold nano rods (GNRs) that could precisely modulate cell death pathways. Herein, the intracellular interaction between GNRs and organelles is monitored and it is found that lysosomes dominates necrosis/apoptosis evoking. Then the surface molecule density of GNRs, which is first defined as ρsurf. molecule (Nsurf. molecules /(a × π × Diameter × Length)), mediates lysosome activities as the membrane permeabilization (LMP), the Cathepsin B and D release, the cross-talk between lysosome and different organelles, which selectively evokes apoptosis or necrosis and the production of TNF-α from macrophages. GNRs with small ρsurf. molecule mainly induce apoptosis, while with large ρsurf. molecule they greatly contribute to necrosis. Interestingly, necrosis can be suppressed by GNRs with higher ρsurf. molecule due to the overexpression of key protease caspase 8, which cleaves the RIP1-RIP3 complex and activates caspase 3 followed by necrosis to apoptosis transition. This investigation indicates that the ρsurf. molecule greatly affects the utility of nanomaterials and different structural properties of nanomaterials have different implications in clinics.
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Affiliation(s)
- Fulei Zhang
- Department of Nanomedicine & International Joint Cancer InstituteNaval Medical UniversityShanghai200433China
| | - Yi Hou
- Department of Nanomedicine & International Joint Cancer InstituteNaval Medical UniversityShanghai200433China
| | - Minhui Zhu
- Department of Otolaryngology Head & Neck SurgeryShanghai Changhai HospitalNaval Medical University168 Changhai RoadShanghai200433China
| | - Bo Deng
- State Key Laboratory of New Textile Materials and Advanced Processing TechnologiesWuhan430073China
| | - Mengxin Zhao
- Department of Nanomedicine & International Joint Cancer InstituteNaval Medical UniversityShanghai200433China
| | - Xiandi Zhu
- Department of Nanomedicine & International Joint Cancer InstituteNaval Medical UniversityShanghai200433China
| | - Yun Sun
- Department of Nanomedicine & International Joint Cancer InstituteNaval Medical UniversityShanghai200433China
| | - Di Chen
- Department of Nanomedicine & International Joint Cancer InstituteNaval Medical UniversityShanghai200433China
| | - Cheng Jiang
- Department of Nanomedicine & International Joint Cancer InstituteNaval Medical UniversityShanghai200433China
| | - Liming Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and NanosafetyInstitute of High Energy Physics and National Center for Nanoscience and Technology of ChinaChinese Academy of SciencesBeijing100049China
| | - Chunying Chen
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and NanosafetyInstitute of High Energy Physics and National Center for Nanoscience and Technology of ChinaChinese Academy of SciencesBeijing100049China
| | - Huaiwen Chen
- Department of Otolaryngology Head & Neck SurgeryShanghai Changhai HospitalNaval Medical University168 Changhai RoadShanghai200433China
| | - Han Chen
- Department of General SurgeryNavy No.905 Hospital of Chinese People's Liberation ArmyNaval Medical UniversityShanghai200050China
| | - Hongliang Zheng
- Department of Otolaryngology Head & Neck SurgeryShanghai Changhai HospitalNaval Medical University168 Changhai RoadShanghai200433China
| | - Wei Li
- Department of Nanomedicine & International Joint Cancer InstituteNaval Medical UniversityShanghai200433China
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Daems N, Michiels C, Lucas S, Baatout S, Aerts A. Gold nanoparticles meet medical radionuclides. Nucl Med Biol 2021; 100-101:61-90. [PMID: 34237502 DOI: 10.1016/j.nucmedbio.2021.06.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 05/25/2021] [Accepted: 06/04/2021] [Indexed: 12/15/2022]
Abstract
Thanks to their unique optical and physicochemical properties, gold nanoparticles have gained increased interest as radiosensitizing, photothermal therapy and optical imaging agents to enhance the effectiveness of cancer detection and therapy. Furthermore, their ability to carry multiple medically relevant radionuclides broadens their use to nuclear medicine SPECT and PET imaging as well as targeted radionuclide therapy. In this review, we discuss the radiolabeling process of gold nanoparticles and their use in (multimodal) nuclear medicine imaging to better understand their specific distribution, uptake and retention in different in vivo cancer models. In addition, radiolabeled gold nanoparticles enable image-guided therapy is reviewed as well as the enhancement of targeted radionuclide therapy and nanobrachytherapy through an increased dose deposition and radiosensitization, as demonstrated by multiple Monte Carlo studies and experimental in vitro and in vivo studies.
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Affiliation(s)
- Noami Daems
- Radiobiology Research Unit, Interdisciplinary Biosciences, Institute for Environment, Health and Safety, Belgian Nuclear Research Centre (SCK CEN), Boeretang 200, 2400 Mol, Belgium.
| | - Carine Michiels
- Unité de Recherche en Biologie Cellulaire-NARILIS, University of Namur, Rue de Bruxelles 61, 5000 Namur, Belgium
| | - Stéphane Lucas
- Laboratory of Analysis by Nuclear Reaction (LARN)-NARILIS, University of Namur, Rue de Bruxelles 61, 5000 Namur, Belgium
| | - Sarah Baatout
- Radiobiology Research Unit, Interdisciplinary Biosciences, Institute for Environment, Health and Safety, Belgian Nuclear Research Centre (SCK CEN), Boeretang 200, 2400 Mol, Belgium
| | - An Aerts
- Radiobiology Research Unit, Interdisciplinary Biosciences, Institute for Environment, Health and Safety, Belgian Nuclear Research Centre (SCK CEN), Boeretang 200, 2400 Mol, Belgium
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10
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Piktel E, Ościłowska I, Suprewicz Ł, Depciuch J, Marcińczyk N, Chabielska E, Wolak P, Wollny T, Janion M, Parlinska-Wojtan M, Bucki R. ROS-Mediated Apoptosis and Autophagy in Ovarian Cancer Cells Treated with Peanut-Shaped Gold Nanoparticles. Int J Nanomedicine 2021; 16:1993-2011. [PMID: 33727811 PMCID: PMC7955786 DOI: 10.2147/ijn.s277014] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 12/08/2020] [Indexed: 12/17/2022] Open
Abstract
Background Even with considerable improvement in treatment of epithelial ovarian cancer achieved in recent years, an increasing chemotherapy resistance and disease 5-year relapse is recorded for a majority part of patients that encourages the search for better therapeutic options. Gold nanoparticles (Au NPs) due to plethora of unique physiochemical features are thoroughly tested as drug delivery, radiosensitizers, as well as photothermal and photodynamic therapy agents. Importantly, due to highly controlled synthesis, it is possible to obtain nanomaterials with directed size and shape. Methods In this work, we developed novel elongated-type gold nanoparticles in the shape of nanopeanuts (AuP NPs) and investigated their cytotoxic potential against ovarian cancer cells SKOV-3 using colorimetric and fluorimetric methods, Western blot, flow cytometry, and fluorescence microscopy. Results Peanut-shaped gold nanoparticles showed high anti-cancer activity in vitro against SKOV-3 cells at doses of 1–5 ng/mL upon 72 hours treatment. We demonstrate that AuP NPs decrease the viability and proliferation capability of ovarian cancer cells by triggering cell apoptosis and autophagy, as evidenced by flow cytometry and Western blot analyses. The overproduction of reactive oxygen species (ROS) was noted to be a critical mediator of AuP NPs-mediated cell death. Conclusion These data indicate that gold nanopeanuts might be developed as nanotherapeutics against ovarian cancer.
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Affiliation(s)
- Ewelina Piktel
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Bialystok, Bialystok, 15-222, Poland
| | - Ilona Ościłowska
- Department of Medicinal Chemistry, Medical University of Bialystok, Bialystok, 15-222, Poland
| | - Łukasz Suprewicz
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Bialystok, Bialystok, 15-222, Poland
| | - Joanna Depciuch
- Institute of Nuclear Physics Polish Academy of Sciences, Krakow, PL-31342, Poland
| | - Natalia Marcińczyk
- Department of Biopharmacy, Medical University of Bialystok, Bialystok, 15-222, Poland
| | - Ewa Chabielska
- Department of Biopharmacy, Medical University of Bialystok, Bialystok, 15-222, Poland
| | - Przemysław Wolak
- Institute of Medical Sciences, Collegium Medicum, Jan Kochanowski University, Kielce, 25-317, Poland
| | - Tomasz Wollny
- Holy Cross Cancer Center in Kielce, Kielce, 25-734, Poland
| | - Marianna Janion
- Institute of Medical Sciences, Collegium Medicum, Jan Kochanowski University, Kielce, 25-317, Poland
| | | | - Robert Bucki
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Bialystok, Bialystok, 15-222, Poland
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11
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Wang N, Shi J, Wu C, Chu W, Tao W, Li W, Yuan X. Design of DOX-GNRs-PNIPAM@PEG-PLA Micelle With Temperature and Light Dual-Function for Potent Melanoma Therapy. Front Chem 2021; 8:599740. [PMID: 33469525 PMCID: PMC7813802 DOI: 10.3389/fchem.2020.599740] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 11/19/2020] [Indexed: 01/15/2023] Open
Abstract
Objective: The aim of this study was to construct light and temperature dual-sensitive micellar carriers loaded with doxorubicin (DOX) and gold nanorods (DOX-GNRs-PNIPAM@PEG-PLA, DAPP) for melanoma therapy. Methods: The DAPP self-assembled using fine-tuned physicochemical properties in water. The DAPP structure, temperature- and photo-sensitivity, drug-release, in-vitro serum stability, and cytotoxicity against melanoma B16F10 cells were evaluated in detail. The corresponding in-vitro and in-vivo therapeutic mechanisms were then evaluated using a B16F10-melanoma bearing BALB/c nude mouse model (B16F10). Results: The light and temperature sensitive micellar drug-delivery system assembled from block copolymer and gold nanorods exhibited a narrow particle size and size distribution, good biocompatibility, well-designed photo-temperature conversion, controlled drug release, and high serum stability. Compared with the free DOX- and PBS-treated groups, the cell endocytosis-mediated cytotoxicity and intra-tumor accumulation of DAPP was markedly enhanced by the NIR-light exposure and induced potent in-vivo tumor inhibitory activity. Conclusion: The design of DAPP, a dual-functional micellar drug-delivery system with temperature- and light-sensitive properties, offers a new strategy for skin-cancer therapy with a potent therapeutic index.
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Affiliation(s)
- Na Wang
- Department of Cosmetics, Shanghai Skin Disease Hospital, Shanghai, China
| | - Jing Shi
- Laboratory of Nano Biomedicine & Intentional Joint Cancer Institute, Second Military Medical University, Shanghai, China
| | - Cong Wu
- Laboratory of Nano Biomedicine & Intentional Joint Cancer Institute, Second Military Medical University, Shanghai, China
| | - Weiwei Chu
- Laboratory of Nano Biomedicine & Intentional Joint Cancer Institute, Second Military Medical University, Shanghai, China
| | - Wanru Tao
- Laboratory of Nano Biomedicine & Intentional Joint Cancer Institute, Second Military Medical University, Shanghai, China
| | - Wei Li
- Laboratory of Nano Biomedicine & Intentional Joint Cancer Institute, Second Military Medical University, Shanghai, China
| | - Xiaohai Yuan
- Department of Cosmetics, Shanghai Skin Disease Hospital, Shanghai, China
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12
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Nakhla S, Rahawy A, Salam MAE, Shalaby T, Zaghloul M, El-Abd E. Radiosensitizing and Phototherapeutic Effects of AuNPs are Mediated by Differential Noxa and Bim Gene Expression in MCF-7 Breast Cancer Cell Line. IEEE Trans Nanobioscience 2020; 20:20-27. [PMID: 33017288 DOI: 10.1109/tnb.2020.3028562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
To compare the apoptotic efficiency of AuNPs, ionizing and non-ionizing radiotherapy, phototherapy, and AuNPs-ionizing-radiotherapy), MCF-7 cells were used as a model for luminal B subtypes of breast carcinoma. A mixture of AuNPs [66% of Au-nanospheres (AuNSs) and 34% of Au-nanorods (AuNRs)] was synthesized and characterized by optical spectroscopy, zeta potential, and transmission electron microscopy (TEM). MCF-7 were divided into six groups (triplicates); after each treatment, cell viability was tested by MTT assay and relative gene expression levels of Bim and Noxa proapoptotic markers were assayed by qRT-PCR. A dose-dependent significant reduction in cell viability of MCF-7 was detected by all examined treatment protocols. Lower viability detected at extended exposure (48 hours) to AuNPs ( [Formula: see text]/ml) was mediated by the upregulation of Noxa gene expression. AuNS and AuNR in vitro PTTs were mediated by differential expression of Bim and Noxa while AuNPs mixture had a combined effect on both Bim and Noxa. Cellular recovery was observed two days-post x-rays irradiation at does < 3 Gy. AuNPs showed dose enhancement factor (DEF) > 12 indicating a high radiosensitizing effect that was partially mediated by Noxa. In conclusion, AuNPs combined therapies exert better anti-proliferative effects via differential regulation of Noxa and Bim gene expressions.
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Antitumoral effects of [6]-gingerol [(S)-5-hydroxy-1-(4-hydroxy-3-methoxyphenyl)-3-decanone] in sarcoma 180 cells through cytogenetic mechanisms. Biomed Pharmacother 2020; 126:110004. [PMID: 32145583 DOI: 10.1016/j.biopha.2020.110004] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 02/01/2020] [Accepted: 02/06/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND [6]-Gingerol [(S)-5-hydroxy-1-(4-hydroxy-3-methoxyphenyl)-3-decanone] is a phenolic substance reported for several ethnopharmacological usage by virtue of its antioxidant, antiemetic, anti-inflammatory and anticancer properties. This study assessed the antitumoral effects of [6]-Gingerol in primary cells of Sarcoma 180 as well as in peripheral blood lymphocytes of mice. METHODS The effect of [6]-Gingerol was assessed by applying cytogenetic biomarkers as indicative of genotoxicity, mutagenicity and apoptosis. Ascitic liquid cells were treated with [6]-Gingerol at concentrations of 21.33, 42.66 and 85.33 μM and subjected to the cytotoxicity assays using Trypan blue test and the comet assay, as well as the cytokinesis-block micronucleus assay. Doxorubicin (6 μM) and hydrogen peroxide (85.33 μM) were used as positive controls. RESULTS [6]-Gingerol, especially at concentrations of 42.66 and 85.33 μM, showed notable cytotoxicity in Sarcoma 180 cells by reducing cell viability and cell division rates via induction of apoptosis. Genotoxicity at the concentrations used was punctuated by the increase in the index and frequency of DNA damage in tested groups. [6]-Gingerol, at all concentrations tested, did not induce significant aneugenic and/or clastogenic effects. It did, however, induced other nuclear abnormalities, such as nucleoplasmic bridges, nuclear buds and apoptosis. The genotoxic effects observed in the cotreatment with H2O2 (challenge assay) employing neoplastic and healthy cells, indicated that [6]-Gingerol may induce oxidative stress. CONCLUSIONS Observations suggest that [6]-Gingerol may be a candidate for pharmaceutical antitumoral formulations due to its cytotoxicity and to mechanisms associated with genetic instability generated by nuclear alterations especially by apoptosis.
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14
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Daems N, Penninckx S, Nelissen I, Van Hoecke K, Cardinaels T, Baatout S, Michiels C, Lucas S, Aerts A. Gold nanoparticles affect the antioxidant status in selected normal human cells. Int J Nanomedicine 2019; 14:4991-5015. [PMID: 31371943 PMCID: PMC6635753 DOI: 10.2147/ijn.s203546] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 05/14/2019] [Indexed: 12/27/2022] Open
Abstract
Purpose: This study evaluates the cytotoxicity of AuNPs coated with polyallylamine (AuNPs-PAA) and conjugated or not to the epidermal growth factor receptor (EGFR)-targeting antibody Cetuximab (AuNPs-PAA-Ctxb) in normal human kidney (HK-2), liver (THLE-2) and microvascular endothelial (TIME) cells, and compares it with two cancer cell lines that are EGFR-overexpressing (A431) or EGFR-negative (MDA-MB-453). Results: Conjugation of Cetuximab to AuNPs-PAA increased the AuNPs-PAA-Ctxb interactions with cells, but reduced their cytotoxicity. TIME cells exhibited the strongest reduction in viability after exposure to AuNPs-PAA(±Ctxb), followed by THLE-2, MDA-MB-453, HK-2 and A431 cells. This cell type-dependent sensitivity was strongly correlated to the inhibition of thioredoxin reductase (TrxR) and glutathione reductase (GR), and to the depolarization of the mitochondrial membrane potential. Both are suggested to initiate apoptosis, which was indeed detected in a concentration- and time-dependent manner. The role of oxidative stress in AuNPs-PAA(±Ctxb)-induced cytotoxicity was demonstrated by co-incubation of the cells with N-acetyl L-cysteine (NAC), which significantly decreased apoptosis and mitochondrial membrane depolarization. Conclusion: This study helps to identify the cells and tissues that could be sensitive to AuNPs and deepens the understanding of the risks associated with the use of AuNPs in vivo.
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Affiliation(s)
- Noami Daems
- Radiobiology Research Unit, Interdisciplinary Biosciences, Institute for Environment, Health and Safety, Belgian Nuclear Research Centre (SCK.CEN), Mol, Belgium
| | - Sébastien Penninckx
- Research Center for the Physics of Matter and Radiation-NARILIS, University of Namur, Namur, Belgium
| | - Inge Nelissen
- Health Department, Flemish Institute For Technological Research (VITO), Mol, Belgium
| | - Karen Van Hoecke
- Radiochemistry Expert Group, Institute for Nuclear Materials Science, Belgian Nuclear Research Centre (SCK.CEN), Mol, Belgium
| | - Thomas Cardinaels
- Radiochemistry Expert Group, Institute for Nuclear Materials Science, Belgian Nuclear Research Centre (SCK.CEN), Mol, Belgium.,Department of Chemistry, KU Leuven, Heverlee, Belgium
| | - Sarah Baatout
- Radiobiology Research Unit, Interdisciplinary Biosciences, Institute for Environment, Health and Safety, Belgian Nuclear Research Centre (SCK.CEN), Mol, Belgium
| | - Carine Michiels
- Unité de Recherche en Biologie Cellulaire-NARILIS, University of Namur, Namur, Belgium
| | - Stéphane Lucas
- Research Center for the Physics of Matter and Radiation-NARILIS, University of Namur, Namur, Belgium
| | - An Aerts
- Radiobiology Research Unit, Interdisciplinary Biosciences, Institute for Environment, Health and Safety, Belgian Nuclear Research Centre (SCK.CEN), Mol, Belgium
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15
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Eslahi N, Shakeri-Zadeh A, Ashtari K, Pirhajati-Mahabadi V, Tohidi Moghadam T, Shabani R, Kamrava K, Madjd Z, Maki C, Asgari HR, Koruji M. In Vitro Cytotoxicity of Folate-Silica-Gold Nanorods on Mouse Acute Lymphoblastic Leukemia and Spermatogonial Cells. CELL JOURNAL 2019; 21:14-26. [PMID: 30507084 PMCID: PMC6275430 DOI: 10.22074/cellj.2019.5691] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Accepted: 05/27/2018] [Indexed: 01/19/2023]
Abstract
OBJECTIVE The purpose of this study was to evaluate in vitro cytotoxicity of gold nanorods (GNRs) on the viability of spermatogonial cells (SSCs) and mouse acute lymphoblastic leukemia cells (EL4s). MATERIALS AND METHODS In this experimental study, SSCs were isolated from the neonate mice, following enzymatic digestion and differential plating. GNRs were synthesized, then modified by silica and finally conjugated with folic acid to form F-Si-GNRs. Different doses of F-Si-GNRs (25, 50, 75, 100, 125 and 140 μM) were used on SSCs and EL4s. MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) proliferation assay was performed to examine the GNRs toxicity. Flow cytometry was used to confirm the identity of the EL4s and SSCs. Also, the identity and functionality of SSCs were determined by the expression of specific spermatogonial genes and transplantation into recipient testes. Apoptosis was determined by flow cytometry using an annexin V/propidium iodide (PI) kit. RESULTS Flow cytometry showed that SSCs and EL4s were positive for Plzf and H-2kb, respectively. The viability percentage of SSCs and EL4s that were treated with 25, 50, 75, 100, 125 and 140 μM of F-Si-GNRs was 65.33 ± 3.51%, 60 ± 3.6%, 51.33 ± 3.51%, 49 ± 3%, 30.66 ± 2.08% and 16.33 ± 2.51% for SSCs and 57.66 ± 0.57%, 54.66 ± 1.5%, 39.66 ± 1.52%, 12.33 ± 2.51%, 10 ± 1% and 5.66 ± 1.15% for EL4s respectively. The results of the MTT assay indicated that 100 μM is the optimal dose to reach the highest and lowest level of cell death in EL4s and in SSCs, respectively. CONCLUSION Cell death increased with increasing concentrations of F-Si-GNRs. Following utilization of F-Si-GNRs, there was a significant difference in the extent of apoptosis between cancer cells and SSCs.
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Affiliation(s)
- Neda Eslahi
- Department of Anatomical Sciences, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Ali Shakeri-Zadeh
- Department of Medical Physics, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Khadijeh Ashtari
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
- Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | | | - Tahereh Tohidi Moghadam
- Department of Nanobiotechnology, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Ronak Shabani
- Department of Anatomical Sciences, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Kamran Kamrava
- Clinical Nanomedicine Laboratory, ENT-Head and Neck Research Center, Hazrat Rasoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Zahra Madjd
- Oncopathology Research Center and Dep Pathology, Faculty of Medicine Iran University of Medical Sciences, Tehran, Iran
| | - Chad Maki
- VetCell Therapeutics, Daimler St, Santa Ana CA, USA
| | - Hamid Reza Asgari
- Department of Anatomical Sciences, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Morteza Koruji
- Department of Anatomical Sciences, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran. Electronic Address:
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Sharifi M, Hosseinali SH, Saboury AA, Szegezdi E, Falahati M. Involvement of planned cell death of necroptosis in cancer treatment by nanomaterials: Recent advances and future perspectives. J Control Release 2019; 299:121-137. [DOI: 10.1016/j.jconrel.2019.02.007] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 02/07/2019] [Accepted: 02/08/2019] [Indexed: 12/31/2022]
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17
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Pagáčová E, Štefančíková L, Schmidt-Kaler F, Hildenbrand G, Vičar T, Depeš D, Lee JH, Bestvater F, Lacombe S, Porcel E, Roux S, Wenz F, Kopečná O, Falková I, Hausmann M, Falk M. Challenges and Contradictions of Metal Nano-Particle Applications for Radio-Sensitivity Enhancement in Cancer Therapy. Int J Mol Sci 2019; 20:ijms20030588. [PMID: 30704035 PMCID: PMC6387067 DOI: 10.3390/ijms20030588] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 01/24/2019] [Indexed: 12/12/2022] Open
Abstract
From the very beginnings of radiotherapy, a crucial question persists with how to target the radiation effectiveness into the tumor while preserving surrounding tissues as undamaged as possible. One promising approach is to selectively pre-sensitize tumor cells by metallic nanoparticles. However, though the "physics" behind nanoparticle-mediated radio-interaction has been well elaborated, practical applications in medicine remain challenging and often disappointing because of limited knowledge on biological mechanisms leading to cell damage enhancement and eventually cell death. In the present study, we analyzed the influence of different nanoparticle materials (platinum (Pt), and gold (Au)), cancer cell types (HeLa, U87, and SKBr3), and doses (up to 4 Gy) of low-Linear Energy Transfer (LET) ionizing radiation (γ- and X-rays) on the extent, complexity and reparability of radiation-induced γH2AX + 53BP1 foci, the markers of double stand breaks (DSBs). Firstly, we sensitively compared the focus presence in nuclei during a long period of time post-irradiation (24 h) in spatially (three-dimensionally, 3D) fixed cells incubated and non-incubated with Pt nanoparticles by means of high-resolution immunofluorescence confocal microscopy. The data were compared with our preliminary results obtained for Au nanoparticles and recently published results for gadolinium (Gd) nanoparticles of approximately the same size (2⁻3 nm). Next, we introduced a novel super-resolution approach-single molecule localization microscopy (SMLM)-to study the internal structure of the repair foci. In these experiments, 10 nm Au nanoparticles were used that could be also visualized by SMLM. Altogether, the data show that different nanoparticles may or may not enhance radiation damage to DNA, so multi-parameter effects have to be considered to better interpret the radiosensitization. Based on these findings, we discussed on conclusions and contradictions related to the effectiveness and presumptive mechanisms of the cell radiosensitization by nanoparticles. We also demonstrate that SMLM offers new perspectives to study internal structures of repair foci with the goal to better evaluate potential differences in DNA damage patterns.
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Affiliation(s)
- Eva Pagáčová
- Czech Academy of Sciences, Institute of Biophysics, v.v.i., Kralovopolska 135, 612 65 Brno, Czech Republic.
| | - Lenka Štefančíková
- Czech Academy of Sciences, Institute of Biophysics, v.v.i., Kralovopolska 135, 612 65 Brno, Czech Republic.
- Institute des Sciences Moléculaires d'Orsay (ISMO), Université Paris Saclay, Université Paris Sud, CNRS, 91405 Orsay Cedex, France.
| | - Franz Schmidt-Kaler
- Kirchhoff-Institute for Physics, University of Heidelberg, Im Neuenheimer Feld 227, 69120 Heidelberg, Germany.
| | - Georg Hildenbrand
- Kirchhoff-Institute for Physics, University of Heidelberg, Im Neuenheimer Feld 227, 69120 Heidelberg, Germany.
- Department of Radiation Oncology, Universitätsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, 68159 Mannheim, Germany.
| | - Tomáš Vičar
- Brno University of Technology, Department of Biomedical Engineering, Technická 3082/12, 61600 Brno, Czech Republic.
| | - Daniel Depeš
- Czech Academy of Sciences, Institute of Biophysics, v.v.i., Kralovopolska 135, 612 65 Brno, Czech Republic.
| | - Jin-Ho Lee
- Kirchhoff-Institute for Physics, University of Heidelberg, Im Neuenheimer Feld 227, 69120 Heidelberg, Germany.
| | - Felix Bestvater
- German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany.
| | - Sandrine Lacombe
- Institute des Sciences Moléculaires d'Orsay (ISMO), Université Paris Saclay, Université Paris Sud, CNRS, 91405 Orsay Cedex, France.
| | - Erika Porcel
- Institute des Sciences Moléculaires d'Orsay (ISMO), Université Paris Saclay, Université Paris Sud, CNRS, 91405 Orsay Cedex, France.
| | - Stéphane Roux
- Institute UTINAM, UMR CNRS 6213-Université de Bourgogne Franche-Comté, 25020 Besançon Cedex, France.
| | - Frederik Wenz
- Department of Radiation Oncology, Universitätsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, 68159 Mannheim, Germany.
| | - Olga Kopečná
- Czech Academy of Sciences, Institute of Biophysics, v.v.i., Kralovopolska 135, 612 65 Brno, Czech Republic.
| | - Iva Falková
- Czech Academy of Sciences, Institute of Biophysics, v.v.i., Kralovopolska 135, 612 65 Brno, Czech Republic.
| | - Michael Hausmann
- Kirchhoff-Institute for Physics, University of Heidelberg, Im Neuenheimer Feld 227, 69120 Heidelberg, Germany.
| | - Martin Falk
- Czech Academy of Sciences, Institute of Biophysics, v.v.i., Kralovopolska 135, 612 65 Brno, Czech Republic.
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18
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Nunes ÁM, da Silva KRM, Calado CMS, Saraiva KLA, Q Figueiredo RCB, Leite ACR, Meneghetti MR. Evaluation of gold nanorods toxicity on isolated mitochondria. Toxicology 2018; 413:24-32. [PMID: 30528861 DOI: 10.1016/j.tox.2018.12.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 11/22/2018] [Accepted: 12/05/2018] [Indexed: 01/30/2023]
Abstract
Gold nanorods (AuNRs) have been studied extensively in biomedicine due to their biocompatibility and their unique properties. Some studies reported that AuNRs selectively accumulate on cancer cell mitochondria causing its death. However, the immediate effects of this accumulation needed further investigations. In this context, we evaluated the effect of AuNRs on the mitochondrial integrity of isolated rat liver mitochondria. We verified that AuNRs decreased the mitochondrial respiratory ratio by decreasing the phosphorylation and maximal states. Additionally, AuNRs caused a decrease in the production of mitochondrial ROS and a delay in mitochondrial swelling. Moreover, even with cyclosporine A treatment, AuNRs disrupted the mitochondrial potential. With the highest concentration of AuNRs studied, disorganized mitochondrial crests and intermembrane separation were observed in TEM images. These results indicate that AuNRs can interact with mitochondria, disrupting the electron transport chain. This study provides new evidence of the immediate effects of AuNRs on mitochondrial bioenergetics.
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Affiliation(s)
- Ábner M Nunes
- Grupo de Catálise e Reatividade Química, Instituto de Química e Biotecnologia, Universidade Federal de Alagoas, Av. Lourival de Melo Mota, CEP, 57072-970, Maceió, Alagoas, Brazil
| | - Kleyton R M da Silva
- Laboratório de Bioenergética, Instituto de Química e Biotecnologia, Universidade Federal de Alagoas, Av. Lourival de Melo Mota, CEP, 57072-970, Maceió, Alagoas, Brazil
| | - Claudia M S Calado
- Grupo de Catálise e Reatividade Química, Instituto de Química e Biotecnologia, Universidade Federal de Alagoas, Av. Lourival de Melo Mota, CEP, 57072-970, Maceió, Alagoas, Brazil
| | - Karina L A Saraiva
- Laboratório de Biologia Celular de Patógenos, Departamento de Microbiologia, Instituto Aggeu Magalhães, Fundação Oswaldo Cruz, Cidade Universitária, CEP, 50670-420, Recife, Pernambuco, Brazil
| | - Regina C B Q Figueiredo
- Laboratório de Biologia Celular de Patógenos, Departamento de Microbiologia, Instituto Aggeu Magalhães, Fundação Oswaldo Cruz, Cidade Universitária, CEP, 50670-420, Recife, Pernambuco, Brazil
| | - Ana Catarina R Leite
- Laboratório de Bioenergética, Instituto de Química e Biotecnologia, Universidade Federal de Alagoas, Av. Lourival de Melo Mota, CEP, 57072-970, Maceió, Alagoas, Brazil.
| | - Mario R Meneghetti
- Grupo de Catálise e Reatividade Química, Instituto de Química e Biotecnologia, Universidade Federal de Alagoas, Av. Lourival de Melo Mota, CEP, 57072-970, Maceió, Alagoas, Brazil.
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19
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Pi H, Li M, Xie J, Yang Z, Xi Y, Yu Z, Zhou Z. Transcription factor E3 protects against cadmium-induced apoptosis by maintaining the lysosomal-mitochondrial axis but not autophagic flux in Neuro-2a cells. Toxicol Lett 2018; 295:335-350. [PMID: 30030080 DOI: 10.1016/j.toxlet.2018.07.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 06/19/2018] [Accepted: 07/16/2018] [Indexed: 01/09/2023]
Abstract
Cadmium (Cd), is a well-known environmental and occupational hazard with a potent neurotoxic action. However, the mechanism underlying cadmium-induced neurotoxicity remains unclear. Herein, we exposed Neuro-2a cells to different concentrations of cadmium chloride (CdCl2) (12.5, 25 and 50 μM) for 24 h and found that Cd significantly induced lysosomal membrane permeabilization (LMP) with the release of cathepsin B (CTSB) to the cytosol, which in turn caused the release of mitochondrial cytochrome c (Cyt c) and eventually triggered caspase-dependent apoptosis. Interestingly, Cd decreased TFE3 expression but induced the nuclear translocation of TFE3 and TFE3 target-gene expression, which might be associated with lysosomal stress mediated by Cd. Notably, Tfe3 overexpression protected against Cd-induced neurotoxicity by maintaining the lysosomal-mitochondrial axis, and the protective effect of TFE3 is not dependent on the restoration of autophagic flux. In conclusion, our study demonstrated for the first time that lysosomal-mitochondrial axis dependent apoptosis, a neglected mechanism, may be the most important reason for Cd-induced neurotoxicity and that manipulation of TFE3 signaling may be a potential therapeutic approach for treatment of Cd-induced neurotoxicity.
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Affiliation(s)
- Huifeng Pi
- Department of Occupational Health, Third Military Medical University, Chongqing, China; School of Aerospace Medicine, Fourth Military Medical University, Xi'an, China
| | - Min Li
- Department of Occupational Health, Third Military Medical University, Chongqing, China
| | - Jia Xie
- Department of Occupational Health, Third Military Medical University, Chongqing, China
| | - Zhiqi Yang
- Brain Research Center, Third Military Medical University, Chongqing, China; Department of Neurology, Army General Hospital in Lanzhou, Lanzhou, China
| | - Yu Xi
- Department of Occupational and Environmental Medicine, School of Medicine, Zhejiang University, Hangzhou, China
| | - Zhengping Yu
- Department of Occupational Health, Third Military Medical University, Chongqing, China; State Key Laboratory of Trauma, Burns and Combined Injury, Third Military Medical University, Chongqing, China
| | - Zhou Zhou
- Department of Environmental Medicine, and Department of Critical Care Medicine of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
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Abstract
Cell death is crucial to human health and is related to various serious diseases. Therefore, generation of new cell death regulators is urgently needed for disease treatment. Nanoparticles (NPs) are now routinely used in a variety of fields, including consumer products and medicine. Exhibiting stability and ease of decoration, gold nanoparticles (GNPs) could be used in diagnosis and disease treatment. Upon entering the human body, GNPs contact human cells in the blood, targeting organs and the immune system. This property results in the disturbance of cell function and even cell death. Therefore, GNPs may act as powerful cell death regulators. However, at present, we are far from establishing a structure–activity relationship between the physicochemical properties of GNPs and cell death, and predicting GNP-induced cell death. In this review, GNPs’ size, shape, and surface properties are observed to play key roles in regulating various cell death modalities and related signaling pathways. These results could guide the design of GNPs for nanomedicine.
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Affiliation(s)
- Hainan Sun
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China.
| | - Jianbo Jia
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China.
- School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China.
| | - Cuijuan Jiang
- School of Environmental Science and Engineering, Shandong University, Jinan 250100, China.
| | - Shumei Zhai
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China.
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21
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Norouzi H, Khoshgard K, Akbarzadeh F. In vitro outlook of gold nanoparticles in photo-thermal therapy: a literature review. Lasers Med Sci 2018; 33:917-926. [PMID: 29492712 DOI: 10.1007/s10103-018-2467-z] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2017] [Accepted: 02/08/2018] [Indexed: 12/31/2022]
Abstract
Hyperthermia is an anti-cancer treatment in which the temperature of the malignant tumor is increased more than other adjacent normal tissues. Microwave, ultrasound, laser, and radiofrequency sources have been used for hyperthermia of cancerous tissues. In the past decade, near-infrared (NIR) laser for cancer therapy, known as photo-thermal therapy (PTT), was expanded in which the photo-sensitizer agent converts the light photon energy to heat. The heat following PTT can destroy cancer cells. There are some photo-sensitizer agents which have been used for PTT; however, owing to recent advances in nanotechnology, noble metal nanoparticles like gold (Au) nanoparticles (GNPs) have been used successfully in PTT. GNPs have some desirable specifications, including simple and controlled synthesis, small size, high level of biocompatibility, and surface plasmon resonance (SPR). The SPR effect of the GNPs increases the radiative properties like absorption and scattering; therefore, they can be used in PTT. In this article, we reviewed recent in vitro studies of PTT using GNPs in literature. At first, we focus on the physical properties of GNPs, their interaction with infrared radiation, and physical parameters governing the interaction of infrared radiation with the GNPs. Then, we review the passive and active targeting of GNPs using the different coating to induce the thermal damage in cancer cells using low-level laser PPT. The GNPs' cellular internalization into cancer cells is a challenge which is consequently considered. In this review, we also summarize the results of synergistic cancer therapy studies on the combination of radiation therapy as a routine cancer treatment and PTT: in which significant improvement occurs in treatment efficacy.
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Affiliation(s)
- Hasan Norouzi
- Student Research Committee, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Karim Khoshgard
- Department of Medical Physics, School of Medicine, Kermanshah University of Medical Sciences, Sorkheh-Lizhe Blvd, P.O. Box: 1568, Kermanshah, Iran.
| | - Fatemeh Akbarzadeh
- Student Research Committee, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
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22
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Wang J, Li Y, Dong X, Wang Y, Chong X, Yu T, Zhang F, Chen D, Zhang L, Gao J, Yang C, Han J, Li W. A Micelle Self-Assembled from Doxorubicin-Arabinoxylan Conjugates with pH-Cleavable Bond for Synergistic Antitumor Therapy. NANOSCALE RESEARCH LETTERS 2017; 12:73. [PMID: 28124299 PMCID: PMC5267581 DOI: 10.1186/s11671-017-1836-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 01/07/2017] [Indexed: 06/06/2023]
Abstract
Nanomedicine offers new hope to overcome the low solubility and high side toxicity to normal tissue appeared in traditional chemotherapy. The biocompatibility and intracellular drug accumulation is still a big challenge for the nano-based formulations. Herein, a medical-used biocompatible arabinoxylan (AX) is used to develop to delivery chemodrug doxorubicin (DOX). The solubility of DOX is obviously enhanced via the hydrogen bond formed with AX which results in an amphiphilic AX-DOX. A micelle with pH-cleavable bond is thus self-assembled from such AX-DOX with DOX core and AX shell. The inner DOX can be easily released out at low intracellular pH, which obviously enhanced its in vitro cytotoxicity against breast cancer cells (MCF-7). Interestingly, an unexpected apoptosis is evoked except for the proliferation inhibition. Moreover, the therapeutic effects are further synergistically promoted by the enhanced permeability and retention (EPR) and intracellular pH-triggered drug release. Consequently, the in vivo intratumor accumulation of DOX, the tumor inhibition was significantly promoted after intravenous administration to the Balb/c nude mice bearing MCF-7 tumors. These in vitro/vivo results indicated that the AX-DOX micellular formulation holds high potential in cancer therapy.
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Affiliation(s)
- Jie Wang
- College of Pharmacy & Institute of Biopharmaceutical Research, Liaocheng University, 1 Hunan Road, Liaocheng, Shandong, 252000, People's Republic of China
| | - Yanli Li
- School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Avenue, Wuxi, 214122, People's Republic of China
| | - Xia Dong
- International Joint Cancer Institute, The Second Military Medical University, 800 Xiangyin Road, Shanghai, 200433, People's Republic of China
| | - Ying Wang
- International Joint Cancer Institute, The Second Military Medical University, 800 Xiangyin Road, Shanghai, 200433, People's Republic of China
| | - Xiaodan Chong
- International Joint Cancer Institute, The Second Military Medical University, 800 Xiangyin Road, Shanghai, 200433, People's Republic of China
| | - Tai Yu
- International Joint Cancer Institute, The Second Military Medical University, 800 Xiangyin Road, Shanghai, 200433, People's Republic of China
| | - Fulei Zhang
- International Joint Cancer Institute, The Second Military Medical University, 800 Xiangyin Road, Shanghai, 200433, People's Republic of China
| | - Di Chen
- International Joint Cancer Institute, The Second Military Medical University, 800 Xiangyin Road, Shanghai, 200433, People's Republic of China
| | - Li Zhang
- International Joint Cancer Institute, The Second Military Medical University, 800 Xiangyin Road, Shanghai, 200433, People's Republic of China
| | - Jie Gao
- International Joint Cancer Institute, The Second Military Medical University, 800 Xiangyin Road, Shanghai, 200433, People's Republic of China
| | - Cheng Yang
- School of Chemical and Material Engineering, Jiangnan University, 1800 Lihu Avenue, Wuxi, 214122, People's Republic of China
| | - Jun Han
- College of Pharmacy & Institute of Biopharmaceutical Research, Liaocheng University, 1 Hunan Road, Liaocheng, Shandong, 252000, People's Republic of China.
- International Joint Cancer Institute, The Second Military Medical University, 800 Xiangyin Road, Shanghai, 200433, People's Republic of China.
| | - Wei Li
- College of Pharmacy & Institute of Biopharmaceutical Research, Liaocheng University, 1 Hunan Road, Liaocheng, Shandong, 252000, People's Republic of China.
- International Joint Cancer Institute, The Second Military Medical University, 800 Xiangyin Road, Shanghai, 200433, People's Republic of China.
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23
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Martinez-Carreres L, Nasrallah A, Fajas L. Cancer: Linking Powerhouses to Suicidal Bags. Front Oncol 2017; 7:204. [PMID: 28932704 PMCID: PMC5592205 DOI: 10.3389/fonc.2017.00204] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Accepted: 08/21/2017] [Indexed: 11/26/2022] Open
Abstract
Membrane-bound organelles are integrated into cellular networks and work together for a common goal: regulating cell metabolism, cell signaling pathways, cell fate, cellular maintenance, and pathogen defense. Many of these interactions are well established, but little is known about the interplay between mitochondria and lysosomes, and their deregulation in cancer. The present review focuses on the common signaling pathways of both organelles, as well as the processes in which they both physically interact, their changes under pathological conditions, and the impact on targeting those organelles for treating cancer.
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Affiliation(s)
- Laia Martinez-Carreres
- Cancer and Metabolism Laboratory, Center for Integrative Genomics, University of Lausanne, Lausanne, Switzerland
| | - Anita Nasrallah
- Cancer and Metabolism Laboratory, Center for Integrative Genomics, University of Lausanne, Lausanne, Switzerland
| | - Lluis Fajas
- Cancer and Metabolism Laboratory, Center for Integrative Genomics, University of Lausanne, Lausanne, Switzerland
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24
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Zhang F, Chen D, Wang Y, Zhang L, Dong W, Dai J, Jin C, Dong X, Sun Y, Zhao H, Fan K, Liu H, Chen B, Zou H, Li W. Lysosome-dependent necrosis specifically evoked in cancer cells by gold nanorods. Nanomedicine (Lond) 2017; 12:1575-1589. [DOI: 10.2217/nnm-2017-0126] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Aim: This article aims to explain the necrosis mechanisms of cancer cells specifically induced by gold nanorods (GNRs). Methods: The intracellular route and location of GNRs, the interaction between GNRs and lysosome, lysosome damage, cathepsin B release, necrosis complex formation, receptor-interacting protein 1 and TNF-α expression were systematically investigated. Results: The GNRs with serum corona were internalized quickly by cancer cells and finally taken up by lysosomes. The GNRs damaged the lysosomal membrane, resulting in the leakage of cathepsin B, which promoted the activation of receptor-interacting protein 1 and necrosomes formation. Necrotic cells and their debris or ill cellular contents were engulfed by macrophages resulting in high-level release of TNF-α, which further confirmed necrosis. Conclusion: GNRs can specifically trigger lysosome-dependent necrosis in cancer cells.
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Affiliation(s)
- Fulei Zhang
- International Joint Cancer Institute, the Second Military Medical University, Shanghai 200433, China
| | - Di Chen
- International Joint Cancer Institute, the Second Military Medical University, Shanghai 200433, China
| | - Ying Wang
- International Joint Cancer Institute, the Second Military Medical University, Shanghai 200433, China
| | - Li Zhang
- International Joint Cancer Institute, the Second Military Medical University, Shanghai 200433, China
| | - Wei Dong
- The Third Department of Hepatic Surgery, Eastern Hepatobiliary Surgery Hospital, the Second Military Medical University, Shanghai 200438, China
| | - Jianxin Dai
- International Joint Cancer Institute, the Second Military Medical University, Shanghai 200433, China
| | - Chong Jin
- International Joint Cancer Institute, the Second Military Medical University, Shanghai 200433, China
| | - Xia Dong
- International Joint Cancer Institute, the Second Military Medical University, Shanghai 200433, China
| | - Yun Sun
- International Joint Cancer Institute, the Second Military Medical University, Shanghai 200433, China
| | - He Zhao
- International Joint Cancer Institute, the Second Military Medical University, Shanghai 200433, China
| | - Kexin Fan
- International Joint Cancer Institute, the Second Military Medical University, Shanghai 200433, China
| | - Hui Liu
- The Third Department of Hepatic Surgery, Eastern Hepatobiliary Surgery Hospital, the Second Military Medical University, Shanghai 200438, China
| | - Bingdi Chen
- The Institute for Biomedical Engineering & Nano Science, Tongji University School of Medicine, Shanghai 200120, China
| | - Hao Zou
- Department of Pharmaceutical Science, School of Pharmacy, the Second Military Medical University, Shanghai 200433, China
| | - Wei Li
- International Joint Cancer Institute, the Second Military Medical University, Shanghai 200433, China
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25
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Li SS, Wu BJ, Deng QY, Guo YB, Leng YX, Huang N. In vitro cytotoxicity evaluation of nano-carbon particles with different sp 2/sp 3 ratios. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 75:854-862. [PMID: 28415539 DOI: 10.1016/j.msec.2017.02.077] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2016] [Revised: 12/18/2016] [Accepted: 02/14/2017] [Indexed: 12/22/2022]
Abstract
Graphitization occurs during the long-term service of a diamond-like carbon (DLC) modified artificial joint. Then, DLC wear debris, which are carbon particles with different sp2/sp3 ratios and sizes ranging from the nano- to micro-meter scale produced. In this paper, to promote the application of DLC coating for artificial joint modification, the cytotoxicity of DLC debris (nano-carbon particles, NCs) with different sp2/sp3 ratios was studied. The microstructure and physical characteristics of NCs with different sp2/sp3 ratios were investigated by Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), Transmission Electron Microscope (TEM) and Dynamic Light Scattering (DLS). Meanwhile, osteoblasts and macrophages were applied to characterize the cytotoxicity of the NCs. In vitro cytotoxicity assay results indicated that cells incubated with NCs of different sp2/sp3 ratios had greater osteogenic capacity, and these particles caused a weaker immune response in comparison with CoCrMo particles. Taken together, the results indicated that NCs with different sp2/sp3 ratios presented a good cytocompatibility than CoCrMo particles. But no significant differences were observed among NCs with different sp2/sp3 ratios. The better cytocompatibility of NCs is mainly attributable to their surface charge.
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Affiliation(s)
- S S Li
- Key Laboratory for Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - B J Wu
- Key Laboratory for Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Q Y Deng
- Key Laboratory for Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
| | - Y B Guo
- The Third People's Hospital of Chengdu, Sichuan 610031, China
| | - Y X Leng
- Key Laboratory for Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China.
| | - N Huang
- Key Laboratory for Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China
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26
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Zhu X, Sun Y, Chen D, Li J, Dong X, Wang J, Chen H, Wang Y, Zhang F, Dai J, Pirraco RP, Guo S, Marques AP, Reis RL, Li W. Mastocarcinoma therapy synergistically promoted by lysosome dependent apoptosis specifically evoked by 5-Fu@nanogel system with passive targeting and pH activatable dual function. J Control Release 2017; 254:107-118. [DOI: 10.1016/j.jconrel.2017.03.038] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Revised: 03/15/2017] [Accepted: 03/19/2017] [Indexed: 12/18/2022]
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