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Sandvig K, Iversen TG, Skotland T. Entry of nanoparticles into cells and tissues: status and challenges. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2024; 15:1017-1029. [PMID: 39161463 PMCID: PMC11331539 DOI: 10.3762/bjnano.15.83] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Accepted: 07/23/2024] [Indexed: 08/21/2024]
Abstract
In this article we discuss how nanoparticles (NPs) of different compositions may interact with and be internalized by cells, and the consequences of that for cellular functions. A large number of NPs are made with the intention to improve cancer treatment, the goal being to increase the fraction of injected drug delivered to the tumor and thereby improve the therapeutic effect and decrease side effects. Thus, we discuss how NPs are delivered to tumors and some challenges related to investigations of biodistribution, pharmacokinetics, and excretion. Finally, we discuss requirements for bringing NPs into clinical use and aspects when it comes to usage of complex and slowly degraded or nondegradable NPs.
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Affiliation(s)
- Kirsten Sandvig
- Department of Molecular Cell Biology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, 0379 Oslo, Norway
- Centre for Cancer Cell Reprogramming, University of Oslo, 0379 Oslo, Norway
- Department of Biosciences, University of Oslo, 0316 Oslo, Norway
| | - Tore Geir Iversen
- Department of Molecular Cell Biology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, 0379 Oslo, Norway
- Centre for Cancer Cell Reprogramming, University of Oslo, 0379 Oslo, Norway
| | - Tore Skotland
- Department of Molecular Cell Biology, Institute for Cancer Research, The Norwegian Radium Hospital, Oslo University Hospital, 0379 Oslo, Norway
- Centre for Cancer Cell Reprogramming, University of Oslo, 0379 Oslo, Norway
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2
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Sharma N, Kurmi BD, Singh D, Mehan S, Khanna K, Karwasra R, Kumar S, Chaudhary A, Jakhmola V, Sharma A, Singh SK, Dua K, Kakkar D. Nanoparticles toxicity: an overview of its mechanism and plausible mitigation strategies. J Drug Target 2024; 32:457-469. [PMID: 38328920 DOI: 10.1080/1061186x.2024.2316785] [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] [Received: 08/17/2023] [Accepted: 01/30/2024] [Indexed: 02/09/2024]
Abstract
Over the last decade, nanoparticles have found great interest among scientists and researchers working in various fields within the realm of biomedicine including drug delivery, gene delivery, diagnostics, targeted therapy and biomarker mapping. While their physical and chemical properties are impressive, there is growing concern about the toxicological potential of nanoparticles and possible adverse health effects as enhanced exposure of biological systems to nanoparticles may result in toxic effects leading to serious contraindications. Toxicity associated with nanoparticles (nanotoxicity) may include the undesired response of several physiological mechanisms including the distressing of cells by external and internal interaction with nanoparticles. However, comprehensive knowledge of nanotoxicity mechanisms and mitigation strategies may be useful to overcome the hazardous situation while treating diseases with therapeutic nanoparticles. With the same objectives, this review discusses various mechanisms of nanotoxicity and provides an overview of the current state of knowledge on the impact of nanotoxicity on biological control systems and organs including liver, brain, kidneys and lungs. An attempt also been made to present various approaches of scientific research and strategies that could be useful to overcome the effect of nanotoxicity during the development of nanoparticle-based systems including coating, doping, grafting, ligation and addition of antioxidants.
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Affiliation(s)
- Nitin Sharma
- Department of Pharmaceutics, Amity Institute of Pharmacy, Amity University, Noida, Uttar Pradesh, India
| | - Balak Das Kurmi
- Department of Pharmaceutics, Amity Institute of Pharmacy, Amity University, Noida, Uttar Pradesh, India
| | - Dilpreet Singh
- Department of Pharmaceutics, Amity Institute of Pharmacy, Amity University, Noida, Uttar Pradesh, India
| | - Sidharth Mehan
- Department of Pharmaceutics, ISF College of Pharmacy, Moga, Punjab, India
| | - Kushagra Khanna
- Faculty of Pharmaceutical Sciences, UCSI University, Kuala Lumpur, Malaysia
| | - Ritu Karwasra
- Central Council for Research in Unani Medicine, Ministry of AYUSH, Janakpuri, New Delhi, India
| | - Shobhit Kumar
- Department of Pharmaceutical Technology, Meerut Institute of Engineering and Technology (MIET), Meerut, Uttar Pradesh, India
| | - Amit Chaudhary
- Chitkara University School of Pharmacy, Chitkara University, Himachal Pradesh, India
| | - Vikash Jakhmola
- Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun, Uttrakhand, India
| | | | - Sachin Kumar Singh
- School of Pharmacy and Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
- Faculty of Health, Australian Research Centre in Complementary & Integrative Medicine, University of Technology Sydney, Ultimo, Australia
| | - Kamal Dua
- Faculty of Health, Australian Research Centre in Complementary & Integrative Medicine, University of Technology Sydney, Ultimo, Australia
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, Australia
| | - Dipti Kakkar
- Institute of Nuclear Medicine and Allied Sciences, Defence Research and Development Organization, Brig SK Mazumdar Marg, Delhi, India
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Marzi A, Eder KM, Barroso Á, Kemper B, Schnekenburger J. Quantitative Phase Imaging as Sensitive Screening Method for Nanoparticle-Induced Cytotoxicity Assessment. Cells 2024; 13:697. [PMID: 38667312 PMCID: PMC11049110 DOI: 10.3390/cells13080697] [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: 03/05/2024] [Revised: 04/10/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
The assessment of nanoparticle cytotoxicity is challenging due to the lack of customized and standardized guidelines for nanoparticle testing. Nanoparticles, with their unique properties, can interfere with biochemical test methods, so multiple tests are required to fully assess their cellular effects. For a more reliable and comprehensive assessment, it is therefore imperative to include methods in nanoparticle testing routines that are not affected by particles and allow for the efficient integration of additional molecular techniques into the workflow. Digital holographic microscopy (DHM), an interferometric variant of quantitative phase imaging (QPI), has been demonstrated as a promising method for the label-free assessment of the cytotoxic potential of nanoparticles. Due to minimal interactions with the sample, DHM allows for further downstream analyses. In this study, we investigated the capabilities of DHM in a multimodal approach to assess cytotoxicity by directly comparing DHM-detected effects on the same cell population with two downstream biochemical assays. Therefore, the dry mass increase in RAW 264.7 macrophages and NIH-3T3 fibroblast populations measured by quantitative DHM phase contrast after incubation with poly(alkyl cyanoacrylate) nanoparticles for 24 h was compared to the cytotoxic control digitonin, and cell culture medium control. Viability was then determined using a metabolic activity assay (WST-8). Moreover, to determine cell death, supernatants were analyzed for the release of the enzyme lactate dehydrogenase (LDH assay). In a comparative analysis, in which the average half-maximal effective concentration (EC50) of the nanocarriers on the cells was determined, DHM was more sensitive to the effect of the nanoparticles on the used cell lines compared to the biochemical assays.
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Affiliation(s)
- Anne Marzi
- Biomedical Technology Center, University of Muenster, Mendelstraße 17, D-48149 Muenster, Germany; (K.M.E.); (Á.B.); (B.K.)
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4
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Valsalakumari R, Pandya AD, Prasmickaite L, Kvalvaag A, Myrann AG, Åslund AKO, Kjos MS, Fontecha-Cuenca C, Haroon HB, Ribeiro ARS, Horejs-Hoeck J, Moghimi SM, Mørch Ý, Skotland T, Sandvig K, Mælandsmo GM, Iversen TG. Preclinical Efficacy of Cabazitaxel Loaded Poly(2-alkyl cyanoacrylate) Nanoparticle Variants. Int J Nanomedicine 2024; 19:3009-3029. [PMID: 38562610 PMCID: PMC10982070 DOI: 10.2147/ijn.s450283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 03/09/2024] [Indexed: 04/04/2024] Open
Abstract
Background Biodegradable poly(alkyl cyanoacrylate) (PACA) nanoparticles (NPs) are receiving increasing attention in anti-cancer nanomedicine development not only for targeted cancer chemotherapy, but also for modulation of the tumor microenvironment. We previously reported promising results with cabazitaxel (CBZ) loaded poly(2-ethylbutyl cyanoacrylate) NPs (PEBCA-CBZ NPs) in a patient derived xenograft (PDX) model of triple-negative breast cancer, and this was associated with a decrease in M2 macrophages. The present study aims at comparing two endotoxin-free PACA NP variants (PEBCA and poly(2-ethylhexyl cyanoacrylate); PEHCA), loaded with CBZ and test whether conjugation with folate would improve their effect. Methods Cytotoxicity assays and cellular uptake of NPs by flow cytometry were performed in different breast cancer cells. Biodistribution and efficacy studies were performed in PDX models of breast cancer. Tumor associated immune cells were analyzed by multiparametric flow cytometry. Results In vitro studies showed similar NP-induced cytotoxicity patterns despite difference in early NP internalization. On intravenous injection, the liver cleared the majority of NPs. Efficacy studies in the HBCx39 PDX model demonstrated an enhanced effect of drug-loaded PEBCA variants compared with free drug and PEHCA NPs. Furthermore, the folate conjugated PEBCA variant did not show any enhanced effects compared with the unconjugated counterpart which might be due to unfavorable orientation of folate on the NPs. Finally, analyses of the immune cell populations in tumors revealed that treatment with drug loaded PEBCA variants affected the myeloid cells, especially macrophages, contributing to an inflammatory, immune activated tumor microenvironment. Conclusion We report for the first time, comparative efficacy of PEBCA and PEHCA NP variants in triple negative breast cancer models and show that CBZ-loaded PEBCA NPs exhibit a combined effect on tumor cells and on the tumor associated myeloid compartment, which may boost the anti-tumor response.
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Affiliation(s)
- Remya Valsalakumari
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, 0379, Norway
- Centre for Cancer Cell Reprogramming, University of Oslo, Oslo, 0379, Norway
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, 0379, Norway
| | - Abhilash D Pandya
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, 0379, Norway
| | - Lina Prasmickaite
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, 0379, Norway
| | - Audun Kvalvaag
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, 0379, Norway
- Centre for Cancer Cell Reprogramming, University of Oslo, Oslo, 0379, Norway
| | - Anne Grethe Myrann
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, 0379, Norway
- Centre for Cancer Cell Reprogramming, University of Oslo, Oslo, 0379, Norway
| | - Andreas K O Åslund
- Department of Biotechnology and Nanomedicine, SINTEF AS, Trondheim, 7034, Norway
| | | | - Cristina Fontecha-Cuenca
- School of Pharmacy, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
- Department of Biomedical Science, University of Padova, Padova, Italy
| | - Hajira B Haroon
- School of Pharmacy, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
| | - Ana R S Ribeiro
- Department of Biosciences and Medical Biology, Paris Lodron University Salzburg, Salzburg, 5020, Austria
| | - Jutta Horejs-Hoeck
- Department of Biosciences and Medical Biology, Paris Lodron University Salzburg, Salzburg, 5020, Austria
- Cancer Cluster Salzburg, Salzburg, 5020, Austria
| | - S Moein Moghimi
- School of Pharmacy, Newcastle University, Newcastle upon Tyne, NE1 7RU, UK
- Faculty of Health and Medical Sciences, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
- Colorado Center for Nanomedicine and Nanosafety, University of Colorado Anschutz Medical Center, Aurora, CO, USA
| | - Ýrr Mørch
- Department of Biotechnology and Nanomedicine, SINTEF AS, Trondheim, 7034, Norway
| | - Tore Skotland
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, 0379, Norway
- Centre for Cancer Cell Reprogramming, University of Oslo, Oslo, 0379, Norway
| | - Kirsten Sandvig
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, 0379, Norway
- Centre for Cancer Cell Reprogramming, University of Oslo, Oslo, 0379, Norway
- Department of Biosciences, University of Oslo, Oslo, 0316, Norway
| | - Gunhild Mari Mælandsmo
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, 0379, Norway
- Department of Medical Biology, University of Tromsø, Tromsø, 9019, Norway
| | - Tore Geir Iversen
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Oslo, 0379, Norway
- Centre for Cancer Cell Reprogramming, University of Oslo, Oslo, 0379, Norway
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Tkachenko A, Onishchenko A, Myasoedov V, Yefimova S, Havranek O. Assessing regulated cell death modalities as an efficient tool for in vitro nanotoxicity screening: a review. Nanotoxicology 2023; 17:218-248. [PMID: 37083543 DOI: 10.1080/17435390.2023.2203239] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/22/2023]
Abstract
Nanomedicine is a fast-growing field of nanotechnology. One of the major obstacles for a wider use of nanomaterials for medical application is the lack of standardized toxicity screening protocols for assessing the safety of newly synthesized nanomaterials. In this review, we focus on less frequently studied nanomaterials-induced regulated cell death (RCD) modalities, including eryptosis, necroptosis, pyroptosis, and ferroptosis, as a tool for in vitro nanomaterials safety evaluation. We summarize the latest insights into the mechanisms that mediate these RCDs in response to nanomaterials exposure. Comprehensive data from reviewed studies suggest that ROS (reactive oxygen species) overproduction and ROS-mediated pathways play a central role in nanomaterials-induced RCDs activation. On the other hand, studies also suggest that individual properties of nanomaterials, including size, shape, or surface charge, could determine specific toxicity pathways with consequent RCD induction as well. We anticipate that the evaluation of RCDs can become one of the mechanism-based screening methods in nanotoxicology. In addition to the toxicity assessment, evaluation of necroptosis-, pyroptosis-, and ferroptosis-promoting capacity of nanomaterials could simultaneously provide useful information for specific medical applications as could be their anti-tumor potential. Moreover, a detailed understanding of molecular mechanisms driving nanomaterials-mediated induction of immunogenic RCDs will substantially aid novel anti-tumor nanodrugs development.
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Affiliation(s)
- Anton Tkachenko
- BIOCEV, First Faculty of Medicine, Charles University, Vestec, Czechia
- Research Institute of Experimental and Clinical Medicine, Kharkiv National Medical University, Kharkiv, Ukraine
| | - Anatolii Onishchenko
- Research Institute of Experimental and Clinical Medicine, Kharkiv National Medical University, Kharkiv, Ukraine
| | - Valeriy Myasoedov
- Department of Medical Biology, Kharkiv National Medical University, Kharkiv, Ukraine
| | - Svetlana Yefimova
- Institute for Scintillation Materials, National Academy of Sciences of Ukraine, Kharkiv, Ukraine
| | - Ondrej Havranek
- BIOCEV, First Faculty of Medicine, Charles University, Vestec, Czechia
- Department of Hematology, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czechia
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6
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Lomphithak T, Fadeel B. Die hard: cell death mechanisms and their implications in nanotoxicology. Toxicol Sci 2023; 192:kfad008. [PMID: 36752525 PMCID: PMC10109533 DOI: 10.1093/toxsci/kfad008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023] Open
Abstract
Cell death is a fundamental biological process, and its fine-tuned regulation is required for life. However, the complexity of regulated cell death is often reduced to a matter of live-dead discrimination. Here, we provide a perspective on programmed or regulated cell death, focusing on apoptosis, pyroptosis, necroptosis, and ferroptosis (the latter three cell death modalities are examples of regulated necrosis). We also touch on other, recently described manifestations of (pathological) cell death including cuproptosis. Furthermore, we address how engineered nanomaterials impact on regulated cell death. We posit that an improved understanding of nanomaterial-induced perturbations of cell death may allow for a better prediction of the consequences of human exposure and could also yield novel approaches by which to mitigate these effects. Finally, we provide examples of the harnessing of nanomaterials to achieve cancer cell killing through the induction of regulated cell death.
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Affiliation(s)
- Thanpisit Lomphithak
- Division of Molecular Toxicology, Institute of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
- Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Bengt Fadeel
- Division of Molecular Toxicology, Institute of Environmental Medicine, Karolinska Institutet, 171 77 Stockholm, Sweden
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Hyldbakk A, Fleten KG, Snipstad S, Åslund AKO, Davies CDL, Flatmark K, Mørch Y. Intraperitoneal administration of cabazitaxel-loaded nanoparticles in peritoneal metastasis models. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2023; 48:102656. [PMID: 36646195 DOI: 10.1016/j.nano.2023.102656] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 12/20/2022] [Accepted: 01/01/2023] [Indexed: 01/15/2023]
Abstract
Colorectal and ovarian cancers frequently develop peritoneal metastases with few treatment options. Intraperitoneal chemotherapy has shown promising therapeutic effects, but is limited by rapid drug clearance and systemic toxicity. We therefore encapsulated the cabazitaxel taxane in poly(alkyl cyanoacrylate) (PACA) nanoparticles (NPs), designed to improve intraperitoneal delivery. Toxicity of free and encapsulated cabazitaxel was investigated in rats by monitoring clinical signs, organ weight and blood hematological and biochemical parameters. Pharmacokinetics, biodistribution and treatment response were evaluated in mice. Biodistribution was investigated by measuring both cabazitaxel and the 2-ethylbutanol NP degradation product. Drug encapsulation was shown to increase intraperitoneal drug retention, leading to prolonged intraperitoneal drug residence time and higher drug concentrations in peritoneal tumors. As a result, encapsulation of cabazitaxel improved the treatment response in two in vivo models bearing intraperitoneal tumors. Together, these observations indicate a strong therapeutic potential of NP-based cabazitaxel encapsulation as a novel treatment for peritoneal metastases.
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Affiliation(s)
- Astrid Hyldbakk
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway; Department of Physics, Norwegian University of Science and Technology (NTNU), Trondheim, Norway.
| | - Karianne Giller Fleten
- Department of Tumor Biology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway; Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.
| | - Sofie Snipstad
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway; Department of Physics, Norwegian University of Science and Technology (NTNU), Trondheim, Norway; Cancer Clinic, St. Olav's Hospital, Trondheim, Norway.
| | - Andreas K O Åslund
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway.
| | | | - Kjersti Flatmark
- Department of Tumor Biology, Institute for Cancer Research, Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway; Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Department of Gastroenterological Surgery, Norwegian Radium Hospital, Oslo University Hospital, Oslo, Norway.
| | - Yrr Mørch
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway.
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8
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Zhu Y, Dai C, Lv D, Guan Y. Development of nonionic nanoemulsions to improve hydrophobic 9′-cis-bixin stability in acidic aqueous medium with in vitro cytosis and nanosafety evaluation. Food Chem 2023; 400:134076. [DOI: 10.1016/j.foodchem.2022.134076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 04/11/2022] [Accepted: 08/28/2022] [Indexed: 11/25/2022]
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9
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Hyldbakk A, Mørch Y, Snipstad S, Åslund AKO, Klinkenberg G, Nakstad VT, Wågbø AM, Schmid R, Molesworth PP. Identification of novel cyanoacrylate monomers for use in nanoparticle drug delivery systems prepared by miniemulsion polymerisation - A multistep screening approach. Int J Pharm X 2022; 4:100124. [PMID: 35898812 PMCID: PMC9310130 DOI: 10.1016/j.ijpx.2022.100124] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 07/11/2022] [Accepted: 07/12/2022] [Indexed: 12/24/2022] Open
Abstract
Poly (alkyl cyanoacrylate) (PACA) polymeric nanoparticles (NPs) are promising drug carriers in drug delivery. However, the selection of commercially available alkyl cyanoacrylate (ACA) monomers is limited, because most monomers were designed for use in medical and industrial glues and later repurposed for drug encapsulation. This study therefore aimed to seek out novel ACA materials for use in NP systems using a toxicity led screening approach. A multistep strategy, including cytotoxicity screening of alcohols as degradation products of PACA (44 alcohols), NPs (14 polymers), and a final in vivo study (2 polymers) gave poly (2-ethylhexyl cyanoacrylate) PEHCA as a promising novel PACA candidate. For the first time, this work presents cytotoxicity data on several novel ACAs, PEHCA in vivo toxicity data, and miniemulsion polymerisation-based encapsulation of the cabazitaxel and NR688 in novel PACA candidates. Furthermore, several of the ACA candidates were compatible with a wider selection of lipophilic active pharmaceutical ingredients (APIs) versus commercially available controls. Combined, this work demonstrates the potential benefits of expanding the array of available ACA materials in drug delivery. Novel ACAs have the potential to encapsulate a wider range of APIs in miniemulsion polymerisation processes and may also broaden PACA applicability in other fields. Screening of novel poly(alkylcyanoacrylate) (PACA) materials to broaden PACA nanomedicine potential. A comprehensive screening process evaluated the toxicity of novel poly(alkylcyanoacrylate) (PACA) materials. Novel poly(2-ethylhexyl cyanoacrylate) nanoparticles has a promising safety profile. Novel ACA materials show potential to enable encapsulation of a wider range of APIs.
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Affiliation(s)
- Astrid Hyldbakk
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway.,Department of Physics, Norwegian University of Science and Technology, Trondheim, Norway
| | - Yrr Mørch
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway
| | - Sofie Snipstad
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway.,Department of Physics, Norwegian University of Science and Technology, Trondheim, Norway.,Cancer Clinic, St. Olavs Hospital, Trondheim, Norway
| | - Andreas K O Åslund
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway
| | - Geir Klinkenberg
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway
| | - Vu To Nakstad
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway
| | - Ane-Marit Wågbø
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway
| | - Ruth Schmid
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway
| | - Peter P Molesworth
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway
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Vennemann A, Breitenstein D, Tallarek E, Mørch Ý, Schmid R, Wiemann M. Subcellular detection of PEBCA particles in macrophages: combining darkfield microscopy, confocal Raman microscopy, and ToF-SIMS analysis. Drug Deliv Transl Res 2022; 12:2075-2088. [PMID: 35182369 PMCID: PMC9360116 DOI: 10.1007/s13346-022-01128-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/02/2022] [Indexed: 01/07/2023]
Abstract
The detection of biomedical organic nanocarriers in cells and tissues is still an experimental challenge. Here we developed an imaging strategy for the label-free detection of poly (ethylbutyl cyanoacrylate) (PEBCA) particles. Experiments were carried out with phagocytic NR8383 macrophages exposed to non-toxic and non-activating concentrations of fluorescent (PEBCA NR668 and PEBCA NR668/IR), non-fluorescent (PEBCA), and cabazitaxel-loaded PEBCA particles (PEBCA CBZ). Exposure to PEBCA NR668 revealed an inhomogeneous particle uptake similar to what was obtained with the free modified Nile Red dye (NR668). In order to successfully identify the PEBCA-loaded cells under label-free conditions, we developed an imaging strategy based on enhanced darkfield microscopy (DFM), followed by confocal Raman microscopy (CRM) and time-of-flight secondary ion mass spectrometry (ToF–SIMS). Nitrile groups of the PEBCA matrix and PEBCA ions were used as suitable analytes for CRM and ToF–SIMS, respectively. Masses found with ToF–SIMS were further confirmed by Orbitrap-SIMS. The combined approach allowed to image small (< 1 µm) PEBCA-containing phagolysosomes, which were identified as PEBCA-containing compartments in NR8383 cells by electron microscopy. The combination of DFM, CRM, and ToF–SIMS is a promising strategy for the label-free detection of PEBCA particles.
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Affiliation(s)
- Antje Vennemann
- IBE R&D Institute for Lung Health gGmbH, Mendelstr. 11, 48149, Münster, Germany
| | | | | | - Ýrr Mørch
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway
| | - Ruth Schmid
- Department of Biotechnology and Nanomedicine, SINTEF Industry, Trondheim, Norway
| | - Martin Wiemann
- IBE R&D Institute for Lung Health gGmbH, Mendelstr. 11, 48149, Münster, Germany.
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11
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Wang Y, Pan Y, Wu J, Luo Y, Fang Z, Xu R, Teng W, Chen M, Li Y. A Novel Predictive Model Incorporating Ferroptosis-Related Gene Signatures for Overall Survival in Patients with Lung Adenocarcinoma. MEDICAL SCIENCE MONITOR : INTERNATIONAL MEDICAL JOURNAL OF EXPERIMENTAL AND CLINICAL RESEARCH 2022; 28:e934050. [PMID: 35102130 PMCID: PMC8817619 DOI: 10.12659/msm.934050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND Lung adenocarcinoma (LUAD) is the predominant histological type of lung cancer with high morbidity and mortality. Ferroptosis is regarded as a new pattern of programmed cell death concerned with the progression of lung cancer characterized by lipid peroxidation. Nevertheless, the prognostic role of ferroptosis-related genes for LUAD warrant to be explored. MATERIAL AND METHODS RNA sequencing and relevant clinical patient data were obtained from public-access databanks. A prognostic model was constructed through the LASSO Cox regression in the cancer genome atlas cohort. The diagnostic value of the prognostic model was further evaluated in the gene expression omnibus cohort. RESULTS Most of the ferroptosis-related genes (69.9%) were differentially expressed between tumor and adjacent non-cancerous tissues. 43 differentially expressed genes showed a close association with the prognosis of LUAD patients (adjusted p-value <0.05). An 18-gene signature was built and applied to assign patients into high vs low-risk groups. Compared with the high-risk group, patients defined as the low-risk group suffered significantly prolonged OS. Both uni- and multivariate analyses demonstrated that the signature-based score served as a crucial role in influencing the OS of LUAD patients (hazard ratio >1, p<0.001). The immunity-related signaling pathway was enriched in the functional analysis and the infiltration of the immune cells showed a great difference between groups. CONCLUSIONS The predictive model could be applied for prognostic prediction for LUAD. Targeting ferroptosis could be a possible curative strategy against LUAD, and immunomodulation may be one of the potential mechanisms.
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Affiliation(s)
- Yuli Wang
- Department of Oncology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China (mainland)
| | - Yanbin Pan
- Department of Oncology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China (mainland)
| | - Jianchun Wu
- Department of Oncology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China (mainland)
| | - Yingbin Luo
- Department of Oncology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China (mainland)
| | - Zhihong Fang
- Department of Oncology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China (mainland)
| | - Rongzhong Xu
- Department of Oncology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China (mainland)
| | - Wenjing Teng
- Department of Oncology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China (mainland)
| | - Min Chen
- Department of Oncology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China (mainland)
| | - Yan Li
- Department of Oncology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China (mainland)
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12
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Sønstevold T, Engedal N, Torgersen ML. Perturbation of Cellular Redox Homeostasis Dictates Divergent Effects of Polybutyl Cyanoacrylate (PBCA) Nanoparticles on Autophagy. Cells 2021; 10:3432. [PMID: 34943939 PMCID: PMC8699722 DOI: 10.3390/cells10123432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/20/2021] [Accepted: 12/03/2021] [Indexed: 01/18/2023] Open
Abstract
Nanoparticles (NPs) are used in our everyday life, including as drug delivery vehicles. However, the effects of NPs at the cellular level and their impacts on autophagy are poorly understood. Here, we demonstrate that the NP drug delivery vehicle poly(butyl cyanoacrylate) (PBCA) perturbs redox homeostasis in human epithelial cells, and that the degree of redox perturbation dictates divergent effects of PBCA on autophagy. Specifically, PBCA promoted functional autophagy at low concentrations, whereas it inhibited autophagy at high concentrations. Both effects were completely abolished by the antioxidant N-acetyl cysteine (NAC). High concentrations of PBCA inhibited MAP1LC3B/GABARAP lipidation and LC3 flux, and blocked bulk autophagic cargo flux induced by mTOR inhibition. These effects were mimicked by the redox regulator H2O2. In contrast, low concentrations of PBCA enhanced bulk autophagic cargo flux in a Vps34-, ULK1/2- and ATG13-dependent manner, yet interestingly, without an accompanying increase in LC3 lipidation or flux. PBCA activated MAP kinase signaling cascades in a redox-dependent manner, and interference with individual signaling components revealed that the autophagy-stimulating effect of PBCA required the action of the JNK and p38-MK2 pathways, whose activities converged on the pro-autophagic protein Beclin-1. Collectively, our results reveal that PBCA exerts a dual effect on autophagy depending on the severity of the NP insult and the resulting perturbation of redox homeostasis. Such a dual autophagy-modifying effect may be of general relevance for redox-perturbing NPs and have important implications in nanomedicine.
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Affiliation(s)
- Tonje Sønstevold
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Montebello, N-0379 Oslo, Norway;
| | - Nikolai Engedal
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, Montebello, N-0379 Oslo, Norway;
| | - Maria Lyngaas Torgersen
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Montebello, N-0379 Oslo, Norway;
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13
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Øverbye A, Torgersen ML, Sønstevold T, Iversen TG, Mørch Ý, Skotland T, Sandvig K. Cabazitaxel-loaded poly(alkyl cyanoacrylate) nanoparticles: toxicity and changes in the proteome of breast, colon and prostate cancer cells. Nanotoxicology 2021; 15:865-884. [PMID: 34047629 DOI: 10.1080/17435390.2021.1924888] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Nanoparticles composed of poly(alkyl cyanoacrylate) (PACA) have shown great promise due to their biodegradability and high drug loading capacity. Development of optimal PACA nanocarriers requires detailed analysis of the overall cellular impact exerted by PACA variants. We here perform a comprehensive comparison of cabazitaxel (CBZ)-loaded nanocarriers composed of three different PACA monomers, i.e. poly(n-butyl cyanoacrylate) (PBCA), poly(2-ethylbutyl cyanoacrylate) (PEBCA) and poly(octyl cyanoacrylate) (POCA). The cytotoxicity of drug-loaded and empty PACA nanoparticles were compared to that of free CBZ across a panel of nine cancer cell lines by assessing cellular metabolism, proliferation and protein synthesis. The analyses revealed that the cytotoxicity of all CBZ-loaded PACAs was similar to that of free CBZ for all cell lines tested, whereas the empty PACAs exerted much lower toxicity. To increase our understanding of the toxic effects of these treatments comprehensive MS-based proteomics were performed with HCT116, MDA-MB-231 and PC3 cells incubated with PACA-CBZ variants or free CBZ. Interestingly, PACA-CBZ specifically led to decreased levels of proteins involved in focal adhesion and stress fibers in all cell lines. Since we recently demonstrated that encapsulation of CBZ within PEBCA nanoparticles significantly improved the therapeutic effect of CBZ on a patient derived xenograft model in mice, we investigated the effects of this PACA variant more closely by immunoblotting. Interestingly, we detected several changes in the protein expression and degree of phosphorylation of SRC-pathway proteins that can be relevant for the therapeutic effects of these substances.
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Affiliation(s)
- Anders Øverbye
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, Oslo, Norway
| | - Maria Lyngaas Torgersen
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, Oslo, Norway
| | - Tonje Sønstevold
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, Oslo, Norway.,Department of Biosciences, University of Oslo, Oslo, Norway
| | - Tore Geir Iversen
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, Oslo, Norway
| | - Ýrr Mørch
- Department of Biotechnology and Nanomedicine, SINTEF AS, Trondheim, Norway
| | - Tore Skotland
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, Oslo, Norway
| | - Kirsten Sandvig
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, Oslo, Norway.,Department of Biosciences, University of Oslo, Oslo, Norway
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14
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Fei W, Zhang Y, Ye Y, Li C, Yao Y, Zhang M, Li F, Zheng C. Bioactive metal-containing nanomaterials for ferroptotic cancer therapy. J Mater Chem B 2021; 8:10461-10473. [PMID: 33231601 DOI: 10.1039/d0tb02138e] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The clinical performance of the current cancer therapies is still far from satisfactory. The emerging ferroptosis-driven therapy strategies reignite the hope of chemotherapy in tumor treatment due to their incredible tumor suppression. Among ferroptosis-based cancer therapies, metal elements have attracted remarkable attention due to their inherent physicochemical properties in inducing ferroptosis of tumor cells quickly and strongly without complex cellular signal transduction. Although the discovery and applications of ferroptosis for tumor treatment have been discussed in many reviews, the unique advantages of metal-containing nanomaterials interfering ferroptotic cancer therapies (MIFCT) have seldom been mentioned. Here, we outline the latest advances of MIFCT comprehensively. Firstly, the functions of different kinds of metal elements or their ions are introduced to illustrate their advantages in MIFCT. Secondly, the emerging metal-containing nanomaterials that are designed to achieve ferroptosis-driven therapy are overviewed, including their ability to boost the Fenton or Fenton-like reaction for reactive oxygen species generation, act as hydrogen peroxide self-providers, damage the reducing system, and disturb cellular communication. Moreover, metal-containing nanomaterials with external energy conversion features for MIFCT are discussed. Finally, the future expectations and challenges of MIFCT for clinical cancer therapy are spotlighted.
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Affiliation(s)
- Weidong Fei
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China.
| | - Yue Zhang
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311400, China.
| | - Yiqing Ye
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China.
| | - Chaoqun Li
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311400, China.
| | - Yao Yao
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China.
| | - Meng Zhang
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China.
| | - Fanzhu Li
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311400, China.
| | - Caihong Zheng
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China.
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15
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Pandya AD, Iversen TG, Moestue S, Grinde MT, Mørch Ý, Snipstad S, Åslund AKO, Øy GF, Kildal W, Engebråten O, Sandvig K, Skotland T, Mælandsmo GM. Biodistribution of Poly(alkyl cyanoacrylate) Nanoparticles in Mice and Effect on Tumor Infiltration of Macrophages into a Patient-Derived Breast Cancer Xenograft. NANOMATERIALS 2021; 11:nano11051140. [PMID: 33924869 PMCID: PMC8145722 DOI: 10.3390/nano11051140] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 04/22/2021] [Accepted: 04/23/2021] [Indexed: 11/18/2022]
Abstract
We have investigated the biodistribution and tumor macrophage infiltration after intravenous injection of the poly(alkyl cyanoacrylate) nanoparticles (NPs): PEBCA (poly(2-ethyl-butyl cyanoacrylate), PBCA (poly(n-butyl cyanoacrylate), and POCA (poly(octyl cyanoacrylate), in mice. These NPs are structurally similar, have similar PEGylation, and have previously been shown to give large variations in cellular responses in vitro. The PEBCA NPs had the highest uptake both in the patient-derived breast cancer xenograft MAS98.12 and in lymph nodes, and therefore, they are the most promising of these NPs for delivery of cancer drugs. High-resolution magic angle spinning magnetic resonance (HR MAS MR) spectroscopy did not reveal any differences in the metabolic profiles of tumors following injection of the NPs, but the PEBCA NPs resulted in higher tumor infiltration of the anti-tumorigenic M1 macrophages than obtained with the two other NPs. The PEBCA NPs also increased the ratio of M1/M2 (anti-tumorigenic/pro-tumorigenic) macrophages in the tumors, suggesting that these NPs might be used both as a vehicle for drug delivery and to modulate the immune response in favor of enhanced therapeutic effects.
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Affiliation(s)
- Abhilash D. Pandya
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, 0379 Oslo, Norway; (A.D.P.); (G.F.Ø.); (O.E.)
| | - Tore-Geir Iversen
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, 0379 Oslo, Norway; (T.-G.I.); (K.S.)
| | - Siver Moestue
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, 7491 Trondheim, Norway;
| | - Maria T. Grinde
- Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, 7491 Trondheim, Norway;
| | - Ýrr Mørch
- SINTEF AS, Department of Biotechnology and Nanomedicine, 7034 Trondheim, Norway; (Ý.M.); (S.S.); (A.K.O.Å.)
| | - Sofie Snipstad
- SINTEF AS, Department of Biotechnology and Nanomedicine, 7034 Trondheim, Norway; (Ý.M.); (S.S.); (A.K.O.Å.)
- Department of Physics, Norwegian University of Science and Technology, 7491 Trondheim, Norway
- Cancer Clinic, St. Olav’s Hospital, 7030 Trondheim, Norway
| | - Andreas K. O. Åslund
- SINTEF AS, Department of Biotechnology and Nanomedicine, 7034 Trondheim, Norway; (Ý.M.); (S.S.); (A.K.O.Å.)
| | - Geir F. Øy
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, 0379 Oslo, Norway; (A.D.P.); (G.F.Ø.); (O.E.)
| | - Wanja Kildal
- Institute for Cancer Genetics and Informatics, Oslo University Hospital, The Norwegian Radium Hospital, 0379 Oslo, Norway;
| | - Olav Engebråten
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, 0379 Oslo, Norway; (A.D.P.); (G.F.Ø.); (O.E.)
- Department of Oncology, Oslo University Hospital, 0450 Oslo, Norway
- Institute of Clinical Medicine, Medical Faculty, University of Oslo, 0315 Oslo, Norway
| | - Kirsten Sandvig
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, 0379 Oslo, Norway; (T.-G.I.); (K.S.)
- Department of Biosciences, University of Oslo, 0315 Oslo, Norway
| | - Tore Skotland
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, 0379 Oslo, Norway; (T.-G.I.); (K.S.)
- Correspondence: (T.S.); (G.M.M.)
| | - Gunhild M. Mælandsmo
- Department of Tumor Biology, Institute for Cancer Research, Oslo University Hospital, The Norwegian Radium Hospital, 0379 Oslo, Norway; (A.D.P.); (G.F.Ø.); (O.E.)
- Department of Medical Biology, University of Tromsø, 9019 Tromsø, Norway
- Correspondence: (T.S.); (G.M.M.)
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16
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Hou J, Zhao L, Tang H, He X, Ye G, Shi F, Kang M, Chen H, Li Y. Silver Nanoparticles Induced Oxidative Stress and Mitochondrial Injuries Mediated Autophagy in HC11 Cells Through Akt/AMPK/mTOR Pathway. Biol Trace Elem Res 2021; 199:1062-1073. [PMID: 32666434 DOI: 10.1007/s12011-020-02212-w] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Accepted: 05/19/2020] [Indexed: 12/14/2022]
Abstract
Silver nanoparticles (AgNPs) are widely used in industrial products, and they have good antibacterial properties, with potential for prevention and treatment of cow mastitis. However, concerns exist about the cytotoxicity of AgNPs. Thus, we have studied the role of autophagy in AgNP-induced cytotoxicity in mouse HC11 mammary epithelium cells. We found that AgNPs injured HC11 cells, with release of lactate dehydrogenase (LDH). AgNPs also induced autophagy in HC11 cells, which was associated with oxidative stress, as indicated by increased reactive oxygen species (ROS) and increased expression of hemoxygenase-1(HO-1) and Nrf2. Mitochondria were altered by AgNPs: mitochondrial membrane potential (MMP) was decreased and the expression of PINK1 and Parkin was increased. AgNPs also increased the expression of p-AMPK and decreased the expression of p-Akt and p-mTOR. The addition of 3-methyl adenine inhibited autophagy and enhanced the cytotoxicity of AgNPs, indicating that autophagy is protective against AgNP-induced cell death. In summary, AgNPs induced protective autophagy in HC11 cells via the Akt/AMPK/mTOR pathway, associated with cellular oxidative stress and mitochondrial alterations. Our research confirms that AgNPs may damage the breast tissue in clinical applications and should be used with caution. Further research is necessary to clarify whether the damage caused by AgNPs will affect the lactation function of the mammary glands and possible residues in milk.
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Affiliation(s)
- Jin Hou
- College of Veterinary Medicine, Sichuan Agricultural University, 211 Huimin Road, Chengdu, 611130, Sichuan, China
| | - Ling Zhao
- College of Veterinary Medicine, Sichuan Agricultural University, 211 Huimin Road, Chengdu, 611130, Sichuan, China
| | - Huaqiao Tang
- College of Veterinary Medicine, Sichuan Agricultural University, 211 Huimin Road, Chengdu, 611130, Sichuan, China
| | - Xiaoli He
- College of Science, Sichuan Agricultural University, 211 Huimin Road, Chengdu, 611130, Sichuan, China
| | - Gang Ye
- College of Veterinary Medicine, Sichuan Agricultural University, 211 Huimin Road, Chengdu, 611130, Sichuan, China
| | - Fei Shi
- College of Veterinary Medicine, Sichuan Agricultural University, 211 Huimin Road, Chengdu, 611130, Sichuan, China
| | - Min Kang
- College of Veterinary Medicine, Sichuan Agricultural University, 211 Huimin Road, Chengdu, 611130, Sichuan, China
| | - Helin Chen
- College of Veterinary Medicine, Sichuan Agricultural University, 211 Huimin Road, Chengdu, 611130, Sichuan, China
| | - Yinglun Li
- College of Veterinary Medicine, Sichuan Agricultural University, 211 Huimin Road, Chengdu, 611130, Sichuan, China.
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17
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Tang R, Xu J, Zhang B, Liu J, Liang C, Hua J, Meng Q, Yu X, Shi S. Ferroptosis, necroptosis, and pyroptosis in anticancer immunity. J Hematol Oncol 2020; 13:110. [PMID: 32778143 PMCID: PMC7418434 DOI: 10.1186/s13045-020-00946-7] [Citation(s) in RCA: 697] [Impact Index Per Article: 174.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Accepted: 07/27/2020] [Indexed: 02/07/2023] Open
Abstract
In recent years, cancer immunotherapy based on immune checkpoint inhibitors (ICIs) has achieved considerable success in the clinic. However, ICIs are significantly limited by the fact that only one third of patients with most types of cancer respond to these agents. The induction of cell death mechanisms other than apoptosis has gradually emerged as a new cancer treatment strategy because most tumors harbor innate resistance to apoptosis. However, to date, the possibility of combining these two modalities has not been discussed systematically. Recently, a few studies revealed crosstalk between distinct cell death mechanisms and antitumor immunity. The induction of pyroptosis, ferroptosis, and necroptosis combined with ICIs showed synergistically enhanced antitumor activity, even in ICI-resistant tumors. Immunotherapy-activated CD8+ T cells are traditionally believed to induce tumor cell death via the following two main pathways: (i) perforin-granzyme and (ii) Fas-FasL. However, recent studies identified a new mechanism by which CD8+ T cells suppress tumor growth by inducing ferroptosis and pyroptosis, which provoked a review of the relationship between tumor cell death mechanisms and immune system activation. Hence, in this review, we summarize knowledge of the reciprocal interaction between antitumor immunity and distinct cell death mechanisms, particularly necroptosis, ferroptosis, and pyroptosis, which are the three potentially novel mechanisms of immunogenic cell death. Because most evidence is derived from studies using animal and cell models, we also reviewed related bioinformatics data available for human tissues in public databases, which partially confirmed the presence of interactions between tumor cell death and the activation of antitumor immunity.
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Affiliation(s)
- Rong Tang
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong'An Road, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, No. 270 Dong'An Road, Shanghai, 200032, China
- Pancreatic Cancer Institute, Fudan University, Shanghai, China
| | - Jin Xu
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong'An Road, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, No. 270 Dong'An Road, Shanghai, 200032, China
- Pancreatic Cancer Institute, Fudan University, Shanghai, China
| | - Bo Zhang
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong'An Road, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, No. 270 Dong'An Road, Shanghai, 200032, China
- Pancreatic Cancer Institute, Fudan University, Shanghai, China
| | - Jiang Liu
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong'An Road, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, No. 270 Dong'An Road, Shanghai, 200032, China
- Pancreatic Cancer Institute, Fudan University, Shanghai, China
| | - Chen Liang
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong'An Road, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, No. 270 Dong'An Road, Shanghai, 200032, China
- Pancreatic Cancer Institute, Fudan University, Shanghai, China
| | - Jie Hua
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong'An Road, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, No. 270 Dong'An Road, Shanghai, 200032, China
- Pancreatic Cancer Institute, Fudan University, Shanghai, China
| | - Qingcai Meng
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong'An Road, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- Shanghai Pancreatic Cancer Institute, No. 270 Dong'An Road, Shanghai, 200032, China
- Pancreatic Cancer Institute, Fudan University, Shanghai, China
| | - Xianjun Yu
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong'An Road, Shanghai, China.
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.
- Shanghai Pancreatic Cancer Institute, No. 270 Dong'An Road, Shanghai, 200032, China.
- Pancreatic Cancer Institute, Fudan University, Shanghai, China.
| | - Si Shi
- Department of Pancreatic Surgery, Fudan University Shanghai Cancer Center, No. 270 Dong'An Road, Shanghai, China.
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.
- Shanghai Pancreatic Cancer Institute, No. 270 Dong'An Road, Shanghai, 200032, China.
- Pancreatic Cancer Institute, Fudan University, Shanghai, China.
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18
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Battaglia AM, Chirillo R, Aversa I, Sacco A, Costanzo F, Biamonte F. Ferroptosis and Cancer: Mitochondria Meet the "Iron Maiden" Cell Death. Cells 2020; 9:cells9061505. [PMID: 32575749 PMCID: PMC7349567 DOI: 10.3390/cells9061505] [Citation(s) in RCA: 268] [Impact Index Per Article: 67.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 06/12/2020] [Accepted: 06/18/2020] [Indexed: 01/17/2023] Open
Abstract
Ferroptosis is a new type of oxidative regulated cell death (RCD) driven by iron-dependent lipid peroxidation. As major sites of iron utilization and master regulators of oxidative metabolism, mitochondria are the main source of reactive oxygen species (ROS) and, thus, play a role in this type of RCD. Ferroptosis is, indeed, associated with severe damage in mitochondrial morphology, bioenergetics, and metabolism. Furthermore, dysregulation of mitochondrial metabolism is considered a biochemical feature of neurodegenerative diseases linked to ferroptosis. Whether mitochondrial dysfunction can, per se, initiate ferroptosis and whether mitochondrial function in ferroptosis is context-dependent are still under debate. Cancer cells accumulate high levels of iron and ROS to promote their metabolic activity and growth. Of note, cancer cell metabolic rewiring is often associated with acquired sensitivity to ferroptosis. This strongly suggests that ferroptosis may act as an adaptive response to metabolic imbalance and, thus, may constitute a new promising way to eradicate malignant cells. Here, we review the current literature on the role of mitochondria in ferroptosis, and we discuss opportunities to potentially use mitochondria-mediated ferroptosis as a new strategy for cancer therapy.
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Affiliation(s)
- Anna Martina Battaglia
- Department of Experimental and Clinical Medicine, “Magna Graecia” University of Catanzaro, 88100 Catanzaro, Italy; (A.M.B.); (R.C.); (I.A.); (A.S.); (F.C.)
| | - Roberta Chirillo
- Department of Experimental and Clinical Medicine, “Magna Graecia” University of Catanzaro, 88100 Catanzaro, Italy; (A.M.B.); (R.C.); (I.A.); (A.S.); (F.C.)
| | - Ilenia Aversa
- Department of Experimental and Clinical Medicine, “Magna Graecia” University of Catanzaro, 88100 Catanzaro, Italy; (A.M.B.); (R.C.); (I.A.); (A.S.); (F.C.)
| | - Alessandro Sacco
- Department of Experimental and Clinical Medicine, “Magna Graecia” University of Catanzaro, 88100 Catanzaro, Italy; (A.M.B.); (R.C.); (I.A.); (A.S.); (F.C.)
| | - Francesco Costanzo
- Department of Experimental and Clinical Medicine, “Magna Graecia” University of Catanzaro, 88100 Catanzaro, Italy; (A.M.B.); (R.C.); (I.A.); (A.S.); (F.C.)
- Center of Interdepartmental Services (CIS), “Magna Graecia” University of Catanzaro, 88100 Catanzaro, Italy
| | - Flavia Biamonte
- Department of Experimental and Clinical Medicine, “Magna Graecia” University of Catanzaro, 88100 Catanzaro, Italy; (A.M.B.); (R.C.); (I.A.); (A.S.); (F.C.)
- Research Centre of Biochemistry and advanced Molecular Biology, “Magna Graecia” University of Catanzaro, 88100 Catanzaro, Italy
- Correspondence: ; Tel.: +39-0961-369-4105
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19
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Han C, Liu Y, Dai R, Ismail N, Su W, Li B. Ferroptosis and Its Potential Role in Human Diseases. Front Pharmacol 2020; 11:239. [PMID: 32256352 PMCID: PMC7090218 DOI: 10.3389/fphar.2020.00239] [Citation(s) in RCA: 166] [Impact Index Per Article: 41.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 02/21/2020] [Indexed: 12/26/2022] Open
Abstract
Ferroptosis is a novel regulated cell death pattern discovered when studying the mechanism of erastin-killing RAS mutant tumor cells in 2012. It is an iron-dependent programmed cell death pathway mainly caused by an increased redox imbalance but with distinct biological and morphology characteristics when compared to other known cell death patterns. Ferroptosis is associated with various diseases including acute kidney injury, cancer, and cardiovascular, neurodegenerative, and hepatic diseases. Moreover, activation or inhibition of ferroptosis using a variety of ferroptosis initiators and inhibitors can modulate disease progression in animal models. In this review, we provide a comprehensive analysis of the characteristics of ferroptosis, its initiators and inhibitors, and the potential role of its main metabolic pathways in the treatment and prevention of various diseased states. We end the review with the current knowledge gaps in this area to provide direction for future research on ferroptosis.
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Affiliation(s)
- Chu Han
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China
- Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing, China
| | - Yuanyuan Liu
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China
- Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing, China
| | - Rongji Dai
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Nafissa Ismail
- Neuroimmunology, Stress and Endocrinology (NISE) Lab, School of Psychology, Faculty of Social Science, University of Ottawa, Ottawa, ON, Canada
- Brain and Mind Research Institute, University of Ottawa, Ottawa, ON, Canada
| | - Weijun Su
- School of Medicine, Nankai University, Tianjin, China
| | - Bo Li
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, China
- Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing, China
- Beijing Key Laboratory for Separation and Analysis in Biomedicine and Pharmaceuticals, School of Life Science, Beijing Institute of Technology, Beijing, China
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20
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"Iron free" zinc oxide nanoparticles with ion-leaking properties disrupt intracellular ROS and iron homeostasis to induce ferroptosis. Cell Death Dis 2020; 11:183. [PMID: 32170066 PMCID: PMC7070056 DOI: 10.1038/s41419-020-2384-5] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 02/24/2020] [Accepted: 02/25/2020] [Indexed: 12/22/2022]
Abstract
Exposure to nanomaterials (NMs) is an emerging threat to human health, and the understanding of their intracellular behavior and related toxic effects is urgently needed. Ferroptosis is a newly discovered, iron-mediated cell death that is distinctive from apoptosis or other cell-death pathways. No evidence currently exists for the effect of “iron free” engineered NMs on ferroptosis. We showed by several approaches that (1) zinc oxide nanoparticles (ZnO NPs)-induced cell death involves ferroptosis; (2) ZnO NPs-triggered ferroptosis is associated with elevation of reactive oxygen species (ROS) and lipid peroxidation, along with depletion of glutathione (GSH) and downregulation of glutathione peroxidase 4 (GPx4); (3) ZnO NPs disrupt intracellular iron homeostasis by orchestrating iron uptake, storage and export; (4) p53 largely participates in ZnO NPs-induced ferroptosis; and (5) ZnO particle remnants and dissolved zinc ion both contribute to ferroptosis. In conclusion, our data provide a new mechanistic rationale for ferroptosis as a novel cell-death phenotype induced by engineered NMs.
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Szwed M, Torgersen ML, Kumari RV, Yadava SK, Pust S, Iversen TG, Skotland T, Giri J, Sandvig K. Biological response and cytotoxicity induced by lipid nanocapsules. J Nanobiotechnology 2020; 18:5. [PMID: 31907052 PMCID: PMC6943936 DOI: 10.1186/s12951-019-0567-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 12/22/2019] [Indexed: 12/13/2022] Open
Abstract
Background Lipid nanocapsules (LNCs) are promising vehicles for drug delivery. However, since not much was known about cellular toxicity of these nanoparticles in themselves, we have here investigated the mechanisms involved in LNC-induced intoxication of the three breast cancer cell lines MCF-7, MDA-MD-231 and MDA-MB-468. The LNCs used were made of Labrafac™ Lipophile WL1349, Lipoid® S75 and Solutol® HS15. Results High resolution SIM microscopy showed that the DiD-labeled LNCs ended up in lysosomes close to the membrane. Empty LNCs, i.e. without encapsulated drug, induced not only increased lysosomal pH, but also acidification of the cytosol and a rapid inhibition of protein synthesis. The cytotoxicity of the LNCs were measured for up to 72 h of incubation using the MTT assay and ATP measurements in all three cell lines, and revealed that MDA-MB-468 was the most sensitive cell line and MCF-7 the least sensitive cell line to these LNCs. The LNCs induced generation of reactive free oxygen species and lipid peroxidation. Experiments with knock-down of kinases in the near-haploid cell line HAP1 indicated that the kinase HRI is essential for the observed phosphorylation of eIF2α. Nrf2 and ATF4 seem to play a protective role against the LNCs in MDA-MB-231 cells, as knock-down of these factors sensitizes the cells to the LNCs. This is in contrast to MCF-7 cells where the knock-down of these factors had a minor effect on the toxicity of the LNCs. Inhibitors of ferroptosis provided a large protection against LNC toxicity in MDA-MB-231 cells, but not in MCF-7 cells. Conclusions High doses of LNCs showed a different degree of toxicity on the three cell lines studied, i.e. MCF-7, MDA-MD-231 and MDA-MB-468 and affected signaling factors and the cell fate differently in these cell lines.
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Affiliation(s)
- Marzena Szwed
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital-The Norwegian Radium Hospital, Oslo, Norway
| | - Maria Lyngaas Torgersen
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital-The Norwegian Radium Hospital, Oslo, Norway
| | - Remya Valsala Kumari
- Department of Biomedical Engineering, Indian Institute of Technology, Hyderabad, India
| | - Sunil Kumar Yadava
- Department of Biomedical Engineering, Indian Institute of Technology, Hyderabad, India
| | - Sascha Pust
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital-The Norwegian Radium Hospital, Oslo, Norway
| | - Tore Geir Iversen
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital-The Norwegian Radium Hospital, Oslo, Norway
| | - Tore Skotland
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital-The Norwegian Radium Hospital, Oslo, Norway
| | - Jyotsnendu Giri
- Department of Biomedical Engineering, Indian Institute of Technology, Hyderabad, India.
| | - Kirsten Sandvig
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital-The Norwegian Radium Hospital, Oslo, Norway. .,Department of Biosciences, University of Oslo, Oslo, Norway.
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The Impact of Magnesium-Aluminum-Layered Double Hydroxide-Based Polyvinyl Alcohol Coated on Magnetite on the Preparation of Core-Shell Nanoparticles as a Drug Delivery Agent. Int J Mol Sci 2019; 20:ijms20153764. [PMID: 31374834 PMCID: PMC6695672 DOI: 10.3390/ijms20153764] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 07/05/2019] [Accepted: 07/23/2019] [Indexed: 12/02/2022] Open
Abstract
One of the current developments in drug research is the controlled release formulation of drugs, which can be released in a controlled manner at a specific target in the body. Due to the diverse physical and chemical properties of various drugs, a smart drug delivery system is highly sought after. The present study aimed to develop a novel drug delivery system using magnetite nanoparticles as the core and coated with polyvinyl alcohol (PVA), a drug 5-fluorouracil (5FU) and Mg–Al-layered double hydroxide (MLDH) for the formation of FPVA-FU-MLDH nanoparticles. The existence of the coated nanoparticles was supported by various physico-chemical analyses. In addition, the drug content, kinetics, and mechanism of drug release also were studied. 5-fluorouracil (5FU) was found to be released in a controlled manner from the nanoparticles at pH = 4.8 (representing the cancerous cellular environment) and pH = 7.4 (representing the blood environment), governed by pseudo-second-order kinetics. The cytotoxicity study revealed that the anticancer delivery system of FPVA-FU-MLDH nanoparticles showed much better anticancer activity than the free drug, 5FU, against liver cancer and HepG2 cells, and at the same time, it was found to be less toxic to the normal fibroblast 3T3 cells.
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Keshavan S, Calligari P, Stella L, Fusco L, Delogu LG, Fadeel B. Nano-bio interactions: a neutrophil-centric view. Cell Death Dis 2019; 10:569. [PMID: 31358731 PMCID: PMC6662811 DOI: 10.1038/s41419-019-1806-8] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 07/04/2019] [Accepted: 07/09/2019] [Indexed: 12/14/2022]
Abstract
Neutrophils are key components of the innate arm of the immune system and represent the frontline of host defense against intruding pathogens. However, neutrophils can also cause damage to the host. Nanomaterials are being developed for a multitude of different purposes and these minute materials may find their way into the body through deliberate or inadvertent exposure; understanding nanomaterial interactions with the immune system is therefore of critical importance. However, whereas numerous studies have focused on macrophages, less attention is devoted to nanomaterial interactions with neutrophils, the most abundant leukocytes in the blood. We discuss the impact of engineered nanomaterials on neutrophils and how neutrophils, in turn, may digest certain carbon-based materials such as carbon nanotubes and graphene oxide. We also discuss the role of the corona of proteins adsorbed onto the surface of nanomaterials and whether nanomaterials are sensed as pathogens by cells of the immune system.
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Affiliation(s)
- Sandeep Keshavan
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Paolo Calligari
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Rome, Italy
| | - Lorenzo Stella
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Rome, Italy
| | - Laura Fusco
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Trieste, Italy
| | - Lucia Gemma Delogu
- Department of Biomedical Sciences, University of Padua, Padua, Italy
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy
| | - Bengt Fadeel
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
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Friedmann Angeli JP, Krysko DV, Conrad M. Ferroptosis at the crossroads of cancer-acquired drug resistance and immune evasion. Nat Rev Cancer 2019; 19:405-414. [PMID: 31101865 DOI: 10.1038/s41568-019-0149-1] [Citation(s) in RCA: 714] [Impact Index Per Article: 142.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Ferroptosis is a recently recognized cell death modality that is morphologically, biochemically and genetically distinct from other forms of cell death and that has emerged to play an important role in cancer biology. Recent discoveries have highlighted the metabolic plasticity of cancer cells and have provided intriguing insights into how metabolic rewiring is a critical event for the persistence, dedifferentiation and expansion of cancer cells. In some cases, this metabolic reprogramming has been linked to an acquired sensitivity to ferroptosis, thus opening up new opportunities to treat therapy-insensitive tumours. However, it is not yet clear what metabolic determinants are critical for therapeutic resistance and evasion of immune surveillance. Therefore, a better understanding of the processes that regulate ferroptosis sensitivity should ultimately aid in the discovery of novel therapeutic strategies to improve cancer treatment. In this Perspectives article, we provide an overview of the known mechanisms that regulate sensitivity to ferroptosis in cancer cells and how the modulation of metabolic pathways controlling ferroptosis might reshape the tumour niche, leading to an immunosuppressive microenvironment that promotes tumour growth and progression.
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Affiliation(s)
| | - Dmitri V Krysko
- Department of Human Structure and Repair, Ghent University and Cancer Research Institute Ghent (CRIG), Ghent, Belgium
- Institute of Biology and Biomedicine, National Research Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russian Federation
| | - Marcus Conrad
- Institute of Developmental Genetics, Helmholtz Zentrum München, Neuherberg, Germany.
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