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Okada S, Sakai A, Ohnishi Y, Yasudo H, Motonaga T, Fukano R, Waniishi T, Sugiyama M, Hasegawa S. Necrotic Change of Tunica Media Plays a Key Role in the Development of Coronary Artery Lesions in Kawasaki Disease. Circ J 2024; 88:1709-1714. [PMID: 39111854 DOI: 10.1253/circj.cj-24-0295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/27/2024]
Abstract
BACKGROUND Alarmins resulting from cell death or oxidative stress are involved in the development of Kawasaki disease (KD) vasculitis. In a previous study, we demonstrated the potential role of interleukin (IL)-33 as an alarmin in the development of KD vasculitis. Although edematous dissociation (necrotic change) of the tunica media is thought to be a major source of IL-33 in KD vasculitis, it has not yet been elucidated. METHODS AND RESULTS We investigated the impact of IL-33 released from necrotic human coronary artery smooth muscle cells (HCASMCs) on human coronary artery endothelial cells (HCAECs) using a coculture assay. Subsequently, we evaluated the anti-inflammatory effects of anti-IL-33 and anti-suppression of tumorigenicity 2 (ST2) antibodies compared with conventional therapies of KD, such as high-dose IgG or anti-tumor necrosis factor (TNF)-α antibody. Primary necrosis of HCASMCs induced significant release of IL-33. In cocultures of necrotic HCASMCs with HCAECs, the necrotic HCASMCs significantly induced the production of various proinflammatory cytokines in the HCAECs. Anti-IL-33 and anti-ST2 antibodies exhibited unique inhibitory effects on the production of platelet-derived growth factor-BB or IL-12(p70) in HCAECs. CONCLUSIONS There is potential involvement of edematous dissociation of the tunica media in the development of KD vasculitis. Furthermore, the distinctive anti-inflammatory effects of the anti-IL-33/ST2 axis drugs suggest novel therapeutic options for patients with refractory KD.
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Affiliation(s)
- Seigo Okada
- Department of Pediatrics, Yamaguchi University Graduate School of Medicine
- Research Institute for Cell Design Medical Science, Yamaguchi University
| | - Aiko Sakai
- Department of Viral Pathogenesis and Controls, National Center for Global Health and Medicine
| | - Yuji Ohnishi
- Department of Pediatrics, Yamaguchi University Graduate School of Medicine
| | - Hiroki Yasudo
- Department of Laboratory Medicine, Kyorin University School of Medicine
| | - Takahiro Motonaga
- Department of Pediatrics, Yamaguchi University Graduate School of Medicine
| | - Reiji Fukano
- Department of Pediatrics, Yamaguchi University Graduate School of Medicine
- Research Institute for Cell Design Medical Science, Yamaguchi University
| | - Takako Waniishi
- Department of Pediatrics, Yamaguchi University Graduate School of Medicine
| | - Masaya Sugiyama
- Department of Viral Pathogenesis and Controls, National Center for Global Health and Medicine
| | - Shunji Hasegawa
- Department of Pediatrics, Yamaguchi University Graduate School of Medicine
- Research Institute for Cell Design Medical Science, Yamaguchi University
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2
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Piou V, Vilarem C, Blanchard S, Strub JM, Bertile F, Bocquet M, Arafah K, Bulet P, Vétillard A. Honey Bee Larval Hemolymph as a Source of Key Nutrients and Proteins Offers a Promising Medium for Varroa destructor Artificial Rearing. Int J Mol Sci 2023; 24:12443. [PMID: 37569818 PMCID: PMC10419257 DOI: 10.3390/ijms241512443] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 07/28/2023] [Accepted: 07/29/2023] [Indexed: 08/13/2023] Open
Abstract
Varroa destructor, a major ectoparasite of the Western honey bee Apis mellifera, is a widespread pest that damages colonies in the Northern Hemisphere. Throughout their lifecycle, V. destructor females feed on almost every developmental stage of their host, from the last larval instar to the adult. The parasite is thought to feed on hemolymph and fat body, although its exact diet and nutritional requirements are poorly known. Using artificial Parafilm™ dummies, we explored the nutrition of V. destructor females and assessed their survival when fed on hemolymph from bee larvae, pupae, or adults. We compared the results with mites fed on synthetic solutions or filtered larval hemolymph. The results showed that the parasites could survive for several days or weeks on different diets. Bee larval hemolymph yielded the highest survival rates, and filtered larval plasma was sufficient to maintain the mites for 14 days or more. This cell-free solution therefore theoretically contains all the necessary nutrients for mite survival. Because some bee proteins are known to be hijacked without being digested by the parasite, we decided to run a proteomic analysis of larval honey bee plasma to highlight the most common proteins in our samples. A list of 54 proteins was compiled, including several energy metabolism proteins such as Vitellogenin, Hexamerin, or Transferrins. These molecules represent key nutrient candidates that could be crucial for V. destructor survival.
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Affiliation(s)
- Vincent Piou
- Laboratoire Evolution et Diversité Biologique, UMR5174, CNRS-Université de Toulouse III-IRD—Université Paul Sabatier, 31077 Toulouse, France; (V.P.); (S.B.)
| | - Caroline Vilarem
- Laboratoire Evolution et Diversité Biologique, UMR5174, CNRS-Université de Toulouse III-IRD—Université Paul Sabatier, 31077 Toulouse, France; (V.P.); (S.B.)
- M2i Biocontrol–Entreprise SAS, 46140 Parnac, France
| | - Solène Blanchard
- Laboratoire Evolution et Diversité Biologique, UMR5174, CNRS-Université de Toulouse III-IRD—Université Paul Sabatier, 31077 Toulouse, France; (V.P.); (S.B.)
| | - Jean-Marc Strub
- Laboratoire de Spectrométrie de Masse Bio-Organique, Département des Sciences Analytiques, Institut Pluridisciplinaire Hubert Curien, UMR 7178 (CNRS-UdS), 67037 Strasbourg, France (F.B.)
| | - Fabrice Bertile
- Laboratoire de Spectrométrie de Masse Bio-Organique, Département des Sciences Analytiques, Institut Pluridisciplinaire Hubert Curien, UMR 7178 (CNRS-UdS), 67037 Strasbourg, France (F.B.)
| | | | - Karim Arafah
- Plateforme BioPark d’Archamps, 74160 Archamps, France
| | - Philippe Bulet
- Plateforme BioPark d’Archamps, 74160 Archamps, France
- Institute pour l’Avancée des Biosciences, CR Université Grenoble Alpes, Inserm U1209, CNRS UMR 5309, 38000 Grenoble, France
| | - Angélique Vétillard
- Laboratoire Evolution et Diversité Biologique, UMR5174, CNRS-Université de Toulouse III-IRD—Université Paul Sabatier, 31077 Toulouse, France; (V.P.); (S.B.)
- Conservatoire National des Arts et Métiers (CNAM), Unité Métabiot, 22440 Ploufragan, France
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3
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Khoshnevis M, Brown R, Belluco S, Zahi I, Maciocco L, Bonnefont-Rebeix C, Pillet-Michelland E, Tranel J, Roger T, Nennig C, Oudoire P, Marcon L, Tillement O, Louis C, Gehan H, Bardiès M, Mariani M, Muzio V, Meunier JP, Duchemin C, Michel N, N’Tsiba E, Haddad F, Buronfosse T, Carozzo C, Ponce F. Therapeutic efficacy of 166Holmium siloxane in microbrachytherapy of induced glioblastoma in minipig tumor model. Front Oncol 2022; 12:923679. [PMID: 36419904 PMCID: PMC9677531 DOI: 10.3389/fonc.2022.923679] [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: 04/19/2022] [Accepted: 09/30/2022] [Indexed: 09/08/2024] Open
Abstract
Glioblastoma is considered the most common malignant primary tumor of central nervous system. In spite of the current standard and multimodal treatment, the prognosis of glioblastoma is poor. For this reason, new therapeutic approaches need to be developed to improve the survival time of the glioblastoma patient. In this study, we performed a preclinical experiment to evaluate therapeutic efficacy of 166Ho microparticle suspension administered by microbrachytherapy on a minipig glioblastoma model. Twelve minipigs were divided in 3 groups. Minipigs had injections into the tumor, containing microparticle suspensions of either 166Ho (group 1; n = 6) or 165Ho (group 2; n = 3) and control group (group 3; n = 3). The survival time from treatment to euthanasia was 66 days with a good state of health of all minipigs in group 1. The median survival time from treatment to tumor related death were 8.6 and 7.3 days in groups 2 and control, respectively. Statistically, the prolonged life of group 1 was significantly different from the two other groups (p < 0.01), and no significant difference was observed between group 2 and control (p=0.09). Our trial on the therapeutic effect of the 166Ho microparticle demonstrated an excellent efficacy in tumor control. The histological and immunohistochemical analysis showed that the efficacy was related to a severe 166Ho induced necrosis combined with an immune response due to the presence of the radioactive microparticles inside the tumors. The absence of reflux following the injections confirms the safety of the injection device.
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Affiliation(s)
| | | | - Sara Belluco
- Université de Lyon, VetAgro Sup, UR ICE, Marcy L'Etoile, France
| | - Ilyes Zahi
- Advanced Accelerator Applications, a Novartis Company, Saint-Genis-Pouilly, France
| | - Luca Maciocco
- Advanced Accelerator Applications, a Novartis Company, Saint-Genis-Pouilly, France
| | | | | | | | - Thierry Roger
- Université de Lyon, VetAgro Sup, UR ICE, Marcy L'Etoile, France
| | | | - Patrick Oudoire
- EVEON, 305 rue Aristide Berges, Montbonnot Saint Martin, France
| | - Lionel Marcon
- Institut Lumière Matière, UMR CNRS 5306, UCBL, Campus LyonTech - La Doua, Villeurbanne, France
| | - Olivier Tillement
- Institut Lumière Matière, UMR CNRS 5306, UCBL, Campus LyonTech - La Doua, Villeurbanne, France
| | - Cédric Louis
- Nano-H SAS, 305 rue des Fours, Fontaines Saint Martin, France
| | - Hélène Gehan
- Nano-H SAS, 305 rue des Fours, Fontaines Saint Martin, France
| | | | - Maurizio Mariani
- Advanced Accelerator Applications, a Novartis Company, Colleretto Giacosa, France
| | - Valeria Muzio
- Advanced Accelerator Applications, a Novartis Company, Colleretto Giacosa, France
| | | | - Charlotte Duchemin
- Subatech, CNRS/IN2P3, IMT Atlantique, Université de Nantes, Nantes Cedex, France
| | - Nathalie Michel
- Subatech, CNRS/IN2P3, IMT Atlantique, Université de Nantes, Nantes Cedex, France
- IP Arronax, Saint Herblain, France
| | - Estelle N’Tsiba
- Subatech, CNRS/IN2P3, IMT Atlantique, Université de Nantes, Nantes Cedex, France
- IP Arronax, Saint Herblain, France
| | - Ferid Haddad
- Subatech, CNRS/IN2P3, IMT Atlantique, Université de Nantes, Nantes Cedex, France
- IP Arronax, Saint Herblain, France
| | - Thierry Buronfosse
- Université de Lyon, VetAgro Sup, Laboratoire de Biologie Médicale, Marcy L'Etoile, France
| | - Claude Carozzo
- Université de Lyon, VetAgro Sup, UR ICE, Marcy L'Etoile, France
| | - Frédérique Ponce
- Université de Lyon, VetAgro Sup, UR ICE, Marcy L'Etoile, France
- Université de Lyon, VetAgro Sup, Service de Cancérologie, Marcy L'Etoile, France
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Friedrich RP, Cicha I, Alexiou C. Iron Oxide Nanoparticles in Regenerative Medicine and Tissue Engineering. NANOMATERIALS 2021; 11:nano11092337. [PMID: 34578651 PMCID: PMC8466586 DOI: 10.3390/nano11092337] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/03/2021] [Accepted: 09/06/2021] [Indexed: 12/13/2022]
Abstract
In recent years, many promising nanotechnological approaches to biomedical research have been developed in order to increase implementation of regenerative medicine and tissue engineering in clinical practice. In the meantime, the use of nanomaterials for the regeneration of diseased or injured tissues is considered advantageous in most areas of medicine. In particular, for the treatment of cardiovascular, osteochondral and neurological defects, but also for the recovery of functions of other organs such as kidney, liver, pancreas, bladder, urethra and for wound healing, nanomaterials are increasingly being developed that serve as scaffolds, mimic the extracellular matrix and promote adhesion or differentiation of cells. This review focuses on the latest developments in regenerative medicine, in which iron oxide nanoparticles (IONPs) play a crucial role for tissue engineering and cell therapy. IONPs are not only enabling the use of non-invasive observation methods to monitor the therapy, but can also accelerate and enhance regeneration, either thanks to their inherent magnetic properties or by functionalization with bioactive or therapeutic compounds, such as drugs, enzymes and growth factors. In addition, the presence of magnetic fields can direct IONP-labeled cells specifically to the site of action or induce cell differentiation into a specific cell type through mechanotransduction.
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5
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Balk M, Haus T, Band J, Unterweger H, Schreiber E, Friedrich RP, Alexiou C, Gostian AO. Cellular SPION Uptake and Toxicity in Various Head and Neck Cancer Cell Lines. NANOMATERIALS 2021; 11:nano11030726. [PMID: 33805818 PMCID: PMC7999062 DOI: 10.3390/nano11030726] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 03/05/2021] [Accepted: 03/08/2021] [Indexed: 12/17/2022]
Abstract
Superparamagnetic iron oxide nanoparticles (SPIONs) feature distinct magnetic properties that make them useful and effective tools for various diagnostic, therapeutic and theranostic applications. In particular, their use in magnetic drug targeting (MDT) promises to be an effective approach for the treatment of various diseases such as cancer. At the cellular level, SPION uptake, along with SPION-mediated toxicity, represents the most important prerequisite for successful application. Thus, the present study determines SPION uptake, toxicity and biocompatibility in human head and neck tumor cell lines of the tongue, pharynx and salivary gland. Using magnetic susceptibility measurements, microscopy, atomic emission spectroscopy, flow cytometry, and plasma coagulation, we analyzed the magnetic properties, cellular uptake and biocompatibility of two different SPION types in the presence and absence of external magnetic fields. Incubation of cells with lauric acid and human serum albumin-coated nanoparticles (SPIONLA-HSA) resulted in substantial particle uptake with low cytotoxicity. In contrast, uptake of lauric acid-coated nanoparticles (SPIONLA) was substantially increased but accompanied by higher toxicity. The presence of an external magnetic field significantly increased cellular uptake of both particles, although cytotoxicity was not significantly increased in any of the cell lines. SPIONs coated with lauric acid and/or human serum albumin show different patterns of uptake and toxicity in response to an external magnetic field. Consequently, the results indicate the potential use of SPIONs as vehicles for MDT in head and neck cancer.
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Affiliation(s)
- Matthias Balk
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (M.B.); (T.H.); (J.B.); (H.U.); (E.S.); (C.A.); (A.-O.G.)
| | - Theresa Haus
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (M.B.); (T.H.); (J.B.); (H.U.); (E.S.); (C.A.); (A.-O.G.)
- Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 91054 Erlangen, Germany
| | - Julia Band
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (M.B.); (T.H.); (J.B.); (H.U.); (E.S.); (C.A.); (A.-O.G.)
| | - Harald Unterweger
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (M.B.); (T.H.); (J.B.); (H.U.); (E.S.); (C.A.); (A.-O.G.)
| | - Eveline Schreiber
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (M.B.); (T.H.); (J.B.); (H.U.); (E.S.); (C.A.); (A.-O.G.)
| | - Ralf P. Friedrich
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (M.B.); (T.H.); (J.B.); (H.U.); (E.S.); (C.A.); (A.-O.G.)
- Correspondence:
| | - Christoph Alexiou
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (M.B.); (T.H.); (J.B.); (H.U.); (E.S.); (C.A.); (A.-O.G.)
| | - Antoniu-Oreste Gostian
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, 91054 Erlangen, Germany; (M.B.); (T.H.); (J.B.); (H.U.); (E.S.); (C.A.); (A.-O.G.)
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6
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Friedrich RP, Schreiber E, Tietze R, Yang H, Pilarsky C, Alexiou C. Intracellular Quantification and Localization of Label-Free Iron Oxide Nanoparticles by Holotomographic Microscopy. Nanotechnol Sci Appl 2020; 13:119-130. [PMID: 33328727 PMCID: PMC7734071 DOI: 10.2147/nsa.s282204] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 11/07/2020] [Indexed: 01/21/2023] Open
Abstract
Background The limitations of optical microscopy to determine the cellular localization of label-free nanoparticles prevent a solid prediction of the cellular effect of particles intended for medical applications. To avoid the strong physicochemical changes associated with fluorescent labelling, which often result in differences in cellular uptake, efficiency and toxicity of particles, novel detection techniques are required. Methods In the present study, we determined the intracellular content of unlabeled SPIONs by analyzing refractive index (RI)-based images from holotomographic three-dimensional (3D) microscopy and side scatter data measured by flow cytometry. The results were compared with the actual cellular SPION amount as quantified by atomic emission spectroscopy (AES). Results Live cell imaging by 3D holotomographic microscopy demonstrated cell-specific differences in intracellular nanoparticle uptake in different pancreatic cell lines. Thus, treatment of PANC-1SMAD4 (1−4) and PANC-1SMAD4 (2−6) with SPIONs resulted in a significant increase in number of areas with higher RI, whereas in PANC-1, SUIT-2 and PaCa DD183, only a minimal increase of spots with high RI was observed. The increase in areas with high RI was in accordance with the SPION content determined by quantitative iron measurements using AES. In contrast, determination of the SPION amount by flow cytometry was strongly cell type-dependent and did not allow the discrimination between intracellular and membrane-bound SPIONs. However, flow cytometry is a very rapid and reliable method to assess the cellular toxicity and allows an estimation of the cell-associated SPION content. Conclusion Holotomographic 3D microscopy is a useful method to distinguish between intracellular and membrane-associated particles. Thus, it provides a valuable tool for scientists to evaluate the cellular localization and the particle load, which facilitates prediction of potential toxicity and efficiency of nanoparticles for medical applications.
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Affiliation(s)
- Ralf P Friedrich
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, 91054, Germany
| | - Eveline Schreiber
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, 91054, Germany
| | - Rainer Tietze
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, 91054, Germany
| | - Hai Yang
- Department of Surgery, Universitätsklinikum Erlangen, Erlangen 91054, Germany
| | - Christian Pilarsky
- Department of Surgery, Universitätsklinikum Erlangen, Erlangen 91054, Germany
| | - Christoph Alexiou
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, 91054, Germany
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7
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Frenster JD, Desai S, Placantonakis DG. In vitro evidence for glioblastoma cell death in temperatures found in the penumbra of laser-ablated tumors. Int J Hyperthermia 2020; 37:20-26. [PMID: 32672127 PMCID: PMC7725000 DOI: 10.1080/02656736.2020.1774082] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 05/11/2020] [Accepted: 05/20/2020] [Indexed: 12/30/2022] Open
Abstract
The concept of thermal therapy toward the treatment of brain tumors has gained traction in recent years. Traditionally, thermal therapy has been subdivided into hyperthermia, with mild elevation of temperature in treated tissue above the physiologic baseline; and thermal ablation, where even higher temperatures are achieved. The recent surge in interest has been driven by the use of novel thermal ablation technologies, including laser interstitial thermal therapy (LITT), that are implemented in brain tumor treatment. Here, we review previous scientific literature on the biologic effects of thermal therapy on brain tumors, with an emphasis on glioblastoma (GBM), an aggressive brain malignancy. In addition, we present in vitro evidence from our laboratory that even moderate elevations in temperature achieved in the penumbra around laser-ablated coagulum may also produce GBM cell death. While much remains to be elucidated in terms of the biology of thermal therapy, we propose that it is a welcome addition to the neuro-oncology armamentarium, in particular with regard to GBM, which is generally resistant to current chemoradiotherapeutic regimens.
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Affiliation(s)
- Joshua D. Frenster
- Department of Neurosurgery, NYU Grossman School of Medicine, New York, NY, USA
| | - Shivang Desai
- Department of Neurosurgery, NYU Grossman School of Medicine, New York, NY, USA
- Emory School of Medicine, Atlanta, GA, USA
| | - Dimitris G. Placantonakis
- Department of Neurosurgery, NYU Grossman School of Medicine, New York, NY, USA
- Laura and Isaac Perlmutter Cancer Center, NYU Grossman School of Medicine, New York, NY 10016, USA
- Kimmel Center for Stem Cell Biology, NYU Grossman School of Medicine, New York, NY 10016, USA
- Brain and Spine Tumor Center, NYU Grossman School of Medicine, New York, NY 10016, USA
- Neuroscience Institute, NYU Grossman School of Medicine, New York, NY 10016, USA
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8
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Lucht N, Friedrich RP, Draack S, Alexiou C, Viereck T, Ludwig F, Hankiewicz B. Biophysical Characterization of (Silica-coated) Cobalt Ferrite Nanoparticles for Hyperthermia Treatment. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1713. [PMID: 31805707 PMCID: PMC6956109 DOI: 10.3390/nano9121713] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 11/26/2019] [Accepted: 11/26/2019] [Indexed: 12/20/2022]
Abstract
Magnetic hyperthermia is a technique that describes the heating of material through an external magnetic field. Classic hyperthermia is a medical condition where the human body overheats, being usually triggered by a heat stroke, which can lead to severe damage to organs and tissue due to the denaturation of cells. In modern medicine, hyperthermia can be deliberately induced to specified parts of the body to destroy malignant cells. Magnetic hyperthermia describes the way that this overheating is induced and it has the inherent advantage of being a minimal invasive method when compared to traditional surgery methods. This work presents a particle system that offers huge potential for hyperthermia treatments, given its good loss value, i.e., the particles dissipate a lot of heat to their surroundings when treated with an ac magnetic field. The measurements were performed in a low-cost custom hyperthermia setup. Additional toxicity assessments on Jurkat cells show a very low short-term toxicity on the particles and a moderate low toxicity after two days due to the prevalent health concerns towards nanoparticles in organisms.
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Affiliation(s)
- Niklas Lucht
- Institute of Physical Chemistry, Universität Hamburg, Grindelallee 117, 20146 Hamburg, Germany
| | - Ralf P. Friedrich
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Glückstraße 10a, 91054 Erlangen, Germany
| | - Sebastian Draack
- Institute for Electrical Measurement Science and Fundamental Electrical Engineering, Technical University of Braunschweig, Hans-Sommer-Straße 66, 38106 Braunschweig, Germany
| | - Christoph Alexiou
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Glückstraße 10a, 91054 Erlangen, Germany
| | - Thilo Viereck
- Institute for Electrical Measurement Science and Fundamental Electrical Engineering, Technical University of Braunschweig, Hans-Sommer-Straße 66, 38106 Braunschweig, Germany
| | - Frank Ludwig
- Institute for Electrical Measurement Science and Fundamental Electrical Engineering, Technical University of Braunschweig, Hans-Sommer-Straße 66, 38106 Braunschweig, Germany
| | - Birgit Hankiewicz
- Institute of Physical Chemistry, Universität Hamburg, Grindelallee 117, 20146 Hamburg, Germany
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9
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Knopf J, Leppkes M, Schett G, Herrmann M, Muñoz LE. Aggregated NETs Sequester and Detoxify Extracellular Histones. Front Immunol 2019; 10:2176. [PMID: 31572386 PMCID: PMC6749074 DOI: 10.3389/fimmu.2019.02176] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 08/28/2019] [Indexed: 11/30/2022] Open
Abstract
In response to various infectious and sterile stimuli neutrophils release chromatin decorated with bactericidal proteins, referred to as NETs. Their scaffolds are formed from chromatin fibers which display an apparent diameter of 15–17 nm and mainly consist from DNA (2 nm) and DNA-associated histones (11 nm). The NET-forming strands are thus not naked DNA but higher ordered chromatin structures. The histones may be released from the NET, especially if their tail arginines have been citrullinated. Several studies indicate that extracellular histones are toxic for mammalian epithelia and endothelia and contribute to the microvascular dysfunction observed e.g., in patients suffering from autoimmune diseases or sepsis. NETs formed at sites of very high neutrophil densities tend to clump and form fairly stable enzymatically active aggregates, referred to as aggNETs. The latter are endowed with a bunch of enzymes that cleave, bind, and/or modify autologous as well as foreign macromolecules. The tight binding of the serine proteases to the matrix precludes the spread of these toxic enzymes into the tissue but still allows the access of soluble inflammatory mediators to the enzymatic active internal surfaces of the NETs where they are degraded. Here, we describe that externally added histones are removed from culture supernatants of aggNETs. We will address the fate of the histones and discuss the feature on the background of neutrophil-driven diseases and the resolution of inflammation.
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Affiliation(s)
- Jasmin Knopf
- Department of Medicine 3 - Rheumatology and Immunology, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Moritz Leppkes
- Department of Medicine 1 - Gastroenterology, Pneumology and Endocrinology, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Georg Schett
- Department of Medicine 3 - Rheumatology and Immunology, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Martin Herrmann
- Department of Medicine 3 - Rheumatology and Immunology, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Luis E Muñoz
- Department of Medicine 3 - Rheumatology and Immunology, Universitätsklinikum Erlangen, Erlangen, Germany
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10
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Hahn J, Euler M, Kilgus E, Kienhöfer D, Stoof J, Knopf J, Hahn M, Harrer T, Hultqvist M, Olofsson P, Mokhir A, Holmdahl R, Herrmann M, Schett G, Muñoz LE, Hoffmann MH. NOX2 mediates quiescent handling of dead cell remnants in phagocytes. Redox Biol 2019; 26:101279. [PMID: 31349119 PMCID: PMC6669319 DOI: 10.1016/j.redox.2019.101279] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 07/09/2019] [Accepted: 07/19/2019] [Indexed: 12/13/2022] Open
Abstract
The phagocyte NADPH oxidase (the NOX2 complex) generates superoxide, the precursor to reactive oxygen species (ROS). ROS possess both antimicrobial and immunoregulatory function. Inactivating mutations in alleles of the NOX2 complex cause chronic granulomatous disease (CGD), characterized by an enhanced susceptibility to infections and autoimmune diseases such as Systemic lupus erythematosus (SLE). The latter is characterized by insufficient removal of dead cells, resulting in an autoimmune response against components of the cell's nucleus when non-cleared apoptotic cells lose their membrane integrity and present autoantigenic molecules in an inflammatory context. Here we aimed to shed light on the role of the NOX2 complex in handling of secondary necrotic cells (SNECs) and associated consequences for inflammation and autoimmunity during lupus. We show that individuals with SLE and CGD display accumulation of SNECs in blood monocytes and neutrophils. In a CGD phenotypic mouse strain (Ncf1** mice) build-up of SNECs in Ly6CHI blood monocytes was connected with a delayed degradation of the phagosomal cargo and accompanied by production of inflammatory mediators. Treatment with H2O2 or activators of ROS-formation reconstituted phagosomal abundance of SNECs to normal levels. Induction of experimental lupus further induced increased antibody-dependent uptake of SNECs into neutrophils. Lupus-primed Ncf1** neutrophils took up more SNECs than wild type neutrophils, whereas SNEC-accumulation in regulatory Ly6C−/LO monocytes was lower in Ncf1**mice. We deduce that the inflammatory rerouting of immune-stimulatory necrotic material into inflammatory phagocyte subsets contributes to the connection between low ROS production by the NOX2 complex and SLE.
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Affiliation(s)
- Jonas Hahn
- Department of Medicine 3, Rheumatology and Immunology, Friedrich Alexander-University Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Maximilien Euler
- Department of Medicine 3, Rheumatology and Immunology, Friedrich Alexander-University Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Emelie Kilgus
- Department of Medicine 3, Rheumatology and Immunology, Friedrich Alexander-University Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Deborah Kienhöfer
- Department of Medicine 3, Rheumatology and Immunology, Friedrich Alexander-University Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Julia Stoof
- Department of Medicine 3, Rheumatology and Immunology, Friedrich Alexander-University Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Jasmin Knopf
- Department of Medicine 3, Rheumatology and Immunology, Friedrich Alexander-University Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Madelaine Hahn
- Department of Medicine 3, Rheumatology and Immunology, Friedrich Alexander-University Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Thomas Harrer
- Department of Medicine 3, Rheumatology and Immunology, Friedrich Alexander-University Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | | | - Peter Olofsson
- Redoxis/Pronoxis AB, Medicon Village Lund, Sweden; Section of Medical Inflammation Research, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden
| | - Andriy Mokhir
- Department of Chemistry and Pharmacy, Organic Chemistry II, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
| | - Rikard Holmdahl
- Section of Medical Inflammation Research, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden
| | - Martin Herrmann
- Department of Medicine 3, Rheumatology and Immunology, Friedrich Alexander-University Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Georg Schett
- Department of Medicine 3, Rheumatology and Immunology, Friedrich Alexander-University Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Luis E Muñoz
- Department of Medicine 3, Rheumatology and Immunology, Friedrich Alexander-University Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Markus H Hoffmann
- Department of Medicine 3, Rheumatology and Immunology, Friedrich Alexander-University Erlangen-Nürnberg, Universitätsklinikum Erlangen, Erlangen, Germany.
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11
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Lugert S, Unterweger H, Mühlberger M, Janko C, Draack S, Ludwig F, Eberbeck D, Alexiou C, Friedrich RP. Cellular effects of paclitaxel-loaded iron oxide nanoparticles on breast cancer using different 2D and 3D cell culture models. Int J Nanomedicine 2018; 14:161-180. [PMID: 30613144 PMCID: PMC6306067 DOI: 10.2147/ijn.s187886] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Magnetic drug targeting (MDT) is an effective alternative for common drug applications, which reduces the systemic drug load and maximizes the effect of, eg, chemotherapeutics at the site of interest. After the conjugation of a magnetic carrier to a chemotherapeutic agent, the intra-arterial injection into a tumor-afferent artery in the presence of an external magnetic field ensures the accumulation of the drug within the tumor tissue. MATERIALS AND METHODS In this study, we used superparamagnetic iron oxide nanoparticles (SPIONs) coated with lauric acid and human serum albumin as carriers for paclitaxel (SPIONLA-HSA-Ptx). To investigate whether this particle system is suitable for a potential treatment of cancer, we investigated its physicochemical properties by dynamic light scattering, ζ potential measurements, isoelectric point titration, infrared spectroscopy, drug release quantification, and magnetic susceptibility measurements. The cytotoxic effects were evaluated using extensive toxicological methods using flow cytometry, IncuCyte® live-cell imaging, and growth experiments on different human breast cancer cell lines in two- and three-dimensional cell cultures. CONCLUSION The data showed that next to their high magnetization capability, SPIONLA-HSA-Ptx have similar cytostatic effects on human breast cancer cells as pure paclitaxel, suggesting their usage for future MDT-based cancer therapy.
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Affiliation(s)
- Stephan Lugert
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, Germany,
- Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Harald Unterweger
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, Germany,
| | - Marina Mühlberger
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, Germany,
| | - Christina Janko
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, Germany,
| | - Sebastian Draack
- Institut für Elektrische Messtechnik und Grundlagen der Elektrotechnik, TU Braunschweig, Braunschweig, Germany
| | - Frank Ludwig
- Institut für Elektrische Messtechnik und Grundlagen der Elektrotechnik, TU Braunschweig, Braunschweig, Germany
| | - Dietmar Eberbeck
- Physikalisch-Technische Bundesanstalt Braunschweig und Berlin, Berlin, Germany
| | - Christoph Alexiou
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, Germany,
| | - Ralf P Friedrich
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, Universitätsklinikum Erlangen, Erlangen, Germany,
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12
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Emelianova AA, Kuzmin DV, Panteleev PV, Sorokin M, Buzdin AA, Ovchinnikova TV. Anticancer Activity of the Goat Antimicrobial Peptide ChMAP-28. Front Pharmacol 2018; 9:1501. [PMID: 30622471 PMCID: PMC6308165 DOI: 10.3389/fphar.2018.01501] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2018] [Accepted: 12/07/2018] [Indexed: 12/14/2022] Open
Abstract
Cytotoxic effect of the antimicrobial peptide ChMAP-28 from leucocytes of the goat Capra hircus was examined against five cancer and two normal human cell lines. ChMAP-28 has the amino acid sequence GRFKRFRKKLKRLWHKVGPFVGPILHY and is homologous to other α-helical mammalian antimicrobial peptides. ChMAP-28 shows considerably higher cytotoxicity against cultured tumor cells than toward normal cells at concentrations of <10 μM. Our findings suggest that ChMAP-28 can initiate necrotic death of cancer cells. Its cytotoxic effect is accomplished due to disruption of the plasma membrane integrity and is not abrogated by the addition of the caspase inhibitor Z-VAD-FMK. ChMAP-28 causes permeabilization of cytoplasmic membrane of human leukemia cells HL-60 already after 15 min of incubation. Here, we show that ChMAP-28 has one of the highest antitumor activity in vitro among all known antimicrobial peptides. We speculate that the observed specificity of ChMAP-28 cytotoxic effect against tumor cells is due to its relatively low hydrophobicity and high cationicity. In the meantime, this peptide has low hemolytic activity, which generates a potential for its use as a therapeutic agent.
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Affiliation(s)
- Anna A Emelianova
- M. M. Shemyakin and Yu. A. Ovchinnikov Institute of Bioorganic Chemistry, The Russian Academy of Sciences, Moscow, Russia
| | - Denis V Kuzmin
- M. M. Shemyakin and Yu. A. Ovchinnikov Institute of Bioorganic Chemistry, The Russian Academy of Sciences, Moscow, Russia
| | - Pavel V Panteleev
- M. M. Shemyakin and Yu. A. Ovchinnikov Institute of Bioorganic Chemistry, The Russian Academy of Sciences, Moscow, Russia
| | - Maxim Sorokin
- Department of Bioinformatics and Molecular Networks, OmicsWay Corporation, Walnut, CA, United States
| | - Anton A Buzdin
- M. M. Shemyakin and Yu. A. Ovchinnikov Institute of Bioorganic Chemistry, The Russian Academy of Sciences, Moscow, Russia.,I.M. Sechenov First Moscow State Medical University, Moscow, Russia
| | - Tatiana V Ovchinnikova
- M. M. Shemyakin and Yu. A. Ovchinnikov Institute of Bioorganic Chemistry, The Russian Academy of Sciences, Moscow, Russia.,I.M. Sechenov First Moscow State Medical University, Moscow, Russia
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13
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Marggraf MB, Panteleev PV, Emelianova AA, Sorokin MI, Bolosov IA, Buzdin AA, Kuzmin DV, Ovchinnikova TV. Cytotoxic Potential of the Novel Horseshoe Crab Peptide Polyphemusin III. Mar Drugs 2018; 16:md16120466. [PMID: 30486233 PMCID: PMC6315362 DOI: 10.3390/md16120466] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Revised: 11/19/2018] [Accepted: 11/20/2018] [Indexed: 12/16/2022] Open
Abstract
Biological activity of the new antimicrobial peptide polyphemusin III from the horseshoe crab Limulus polyphemus was examined against bacterial strains and human cancer, transformed, and normal cell cultures. Polyphemusin III has the amino acid sequence RRGCFRVCYRGFCFQRCR and is homologous to other β-hairpin peptides from the horseshoe crab. Antimicrobial activity of the peptide was evaluated and MIC (minimal inhibitory concentration) values were determined. IC50 (half-maximal inhibitory concentration) values measured toward human cells revealed that polyphemusin III showed a potent cytotoxic activity at concentrations of <10 μM. Polyphemusin III caused fast permeabilization of the cytoplasmic membrane of human leukemia cells HL-60, which was measured with trypan blue exclusion assay and lactate dehydrogenase-release assay. Flow cytometry experiments for annexin V-FITC/ propidium iodide double staining revealed that the caspase inhibitor, Z-VAD-FMK, did not abrogate disruption of the plasma membrane by polyphemusin III. Our data suggest that polyphemusin III disrupts the plasma membrane integrity and induces cell death that is apparently not related to apoptosis. In comparison to known polyphemusins and tachyplesins, polyphemusin III demonstrates a similar or lower antimicrobial effect, but significantly higher cytotoxicity against human cancer and transformed cells in vitro.
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Affiliation(s)
- Mariana B Marggraf
- M.M. Shemyakin & Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, the Russian Academy of Sciences, Mikhluho-Maklaya str. 16/10, Moscow 117997, Russia.
| | - Pavel V Panteleev
- M.M. Shemyakin & Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, the Russian Academy of Sciences, Mikhluho-Maklaya str. 16/10, Moscow 117997, Russia.
| | - Anna A Emelianova
- M.M. Shemyakin & Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, the Russian Academy of Sciences, Mikhluho-Maklaya str. 16/10, Moscow 117997, Russia.
| | - Maxim I Sorokin
- Department of Bioinformatics and Molecular Networks, Omicsway Corp., Walnut, CA 91789, USA.
- Department of Biotechnology, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow 119991, Russia.
| | - Ilia A Bolosov
- M.M. Shemyakin & Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, the Russian Academy of Sciences, Mikhluho-Maklaya str. 16/10, Moscow 117997, Russia.
| | - Anton A Buzdin
- M.M. Shemyakin & Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, the Russian Academy of Sciences, Mikhluho-Maklaya str. 16/10, Moscow 117997, Russia.
- Department of Bioinformatics and Molecular Networks, Omicsway Corp., Walnut, CA 91789, USA.
- Department of Biotechnology, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow 119991, Russia.
| | - Denis V Kuzmin
- M.M. Shemyakin & Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, the Russian Academy of Sciences, Mikhluho-Maklaya str. 16/10, Moscow 117997, Russia.
| | - Tatiana V Ovchinnikova
- M.M. Shemyakin & Yu.A. Ovchinnikov Institute of Bioorganic Chemistry, the Russian Academy of Sciences, Mikhluho-Maklaya str. 16/10, Moscow 117997, Russia.
- Department of Biotechnology, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow 119991, Russia.
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14
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Targeting of drug-loaded nanoparticles to tumor sites increases cell death and release of danger signals. J Control Release 2018; 285:67-80. [DOI: 10.1016/j.jconrel.2018.07.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 06/12/2018] [Accepted: 07/02/2018] [Indexed: 12/18/2022]
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15
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Gupta S, Chan DW, Zaal KJ, Kaplan MJ. A High-Throughput Real-Time Imaging Technique To Quantify NETosis and Distinguish Mechanisms of Cell Death in Human Neutrophils. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2018; 200:869-879. [PMID: 29196457 PMCID: PMC5760330 DOI: 10.4049/jimmunol.1700905] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Accepted: 11/01/2017] [Indexed: 12/31/2022]
Abstract
Neutrophils play a key role in host defenses and have recently been implicated in the pathogenesis of autoimmune diseases by various mechanisms, including formation of neutrophil extracellular traps through a recently described distinct form of programmed cell death called NETosis. Techniques to assess and quantitate NETosis in an unbiased, reproducible, and efficient way are lacking, considerably limiting the advancement of research in this field. We optimized and validated, a new method to automatically quantify the percentage of neutrophils undergoing NETosis in real time using the IncuCyte ZOOM imaging platform and the membrane-permeability properties of two DNA dyes. Neutrophils undergoing NETosis induced by various physiological stimuli showed distinct changes, with a loss of multilobulated nuclei, as well as nuclear decondensation followed by membrane compromise, and were accurately counted by applying filters based on fluorescence intensity and nuclear size. Findings were confirmed and validated with the established method of immunofluorescence microscopy. The platform was also validated to rapidly assess and quantify the dose-dependent effect of inhibitors of NETosis. In addition, this method was able to distinguish among neutrophils undergoing NETosis, apoptosis, or necrosis based on distinct changes in nuclear morphology and membrane integrity. The IncuCyte ZOOM platform is a novel real-time assay that quantifies NETosis in a rapid, automated, and reproducible way, significantly optimizing the study of neutrophils. This platform is a powerful tool to assess neutrophil physiology and NETosis, as well as to swiftly develop and test novel neutrophil targets.
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Affiliation(s)
- Sarthak Gupta
- Systemic Autoimmunity Branch, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD 20892; and
| | - Diana W Chan
- Systemic Autoimmunity Branch, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD 20892; and
| | - Kristien J Zaal
- Light Imaging Section, Office of Science and Technology, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD 20892
| | - Mariana J Kaplan
- Systemic Autoimmunity Branch, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD 20892; and
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16
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Chen J, Chaurio RA, Maueröder C, Derer A, Rauh M, Kost A, Liu Y, Mo X, Hueber A, Bilyy R, Herrmann M, Zhao Y, Muñoz LE. Inosine Released from Dying or Dead Cells Stimulates Cell Proliferation via Adenosine Receptors. Front Immunol 2017; 8:504. [PMID: 28496447 PMCID: PMC5406388 DOI: 10.3389/fimmu.2017.00504] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 04/12/2017] [Indexed: 02/05/2023] Open
Abstract
Introduction Many antitumor therapies induce apoptotic cell death in order to cause tumor regression. Paradoxically, apoptotic cells are also known to promote wound healing, cell proliferation, and tumor cell repopulation in multicellular organisms. We aimed to characterize the nature of the regenerative signals concentrated in the micromilieu of dead and dying cells. Methods Cultures of viable melanoma B16F10 cells, mouse fibroblasts, and primary human fibroblast-like synoviocytes (FLS) in the presence of dead and dying cells, their supernatants (SNs), or purified agonists and antagonists were used to evaluate the stimulation of proliferation. Viable cell quantification was performed by either flow cytometry of harvested cells or by crystal violet staining of adherent cells. High-performance liquid chromatography and liquid chromatography coupled with mass spectrometry of cell SNs were deployed to identify the nature of growth-promoting factors. Coimplantation of living cells in the presence of SNs collected from dead and dying cells and specific agonists was used to evaluate tumor growth in vivo. Results The stimulation of proliferation of few surviving cells by bystander dead cells was confirmed for melanoma cells, mouse fibroblasts, and primary FLS. We found that small soluble molecules present in the protein-free fraction of SNs of dead and dying cells were responsible for the promotion of proliferation. The nucleoside inosine released by dead and dying cells acting via adenosine receptors was identified as putative inducer of proliferation of surviving tumor cells after irradiation and heat treatment. Conclusion Inosine released by dead and dying cells mediates tumor cell proliferation via purinergic receptors. Therapeutic strategies surmounting this pathway may help to reduce the rate of recurrence after radio- and chemotherapy.
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Affiliation(s)
- Jin Chen
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China.,Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Universitätsklinikum Erlangen, Erlangen, Germany
| | - Ricardo A Chaurio
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Universitätsklinikum Erlangen, Erlangen, Germany
| | - Christian Maueröder
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Universitätsklinikum Erlangen, Erlangen, Germany
| | - Anja Derer
- Department of Radiation Oncology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Universitätsklinikum Erlangen, Erlangen, Germany
| | - Manfred Rauh
- Kinder- und Jugendklinik, Universitätsklinikum Erlangen, Erlangen, Germany
| | - Andriy Kost
- Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
| | - Yi Liu
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China
| | - Xianming Mo
- Laboratory of Stem Cell Biology, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Axel Hueber
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Universitätsklinikum Erlangen, Erlangen, Germany
| | - Rostyslav Bilyy
- Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
| | - Martin Herrmann
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Universitätsklinikum Erlangen, Erlangen, Germany
| | - Yi Zhao
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China
| | - Luis E Muñoz
- Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Universitätsklinikum Erlangen, Erlangen, Germany
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17
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Poller JM, Zaloga J, Schreiber E, Unterweger H, Janko C, Radon P, Eberbeck D, Trahms L, Alexiou C, Friedrich RP. Selection of potential iron oxide nanoparticles for breast cancer treatment based on in vitro cytotoxicity and cellular uptake. Int J Nanomedicine 2017; 12:3207-3220. [PMID: 28458541 PMCID: PMC5402883 DOI: 10.2147/ijn.s132369] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Superparamagnetic iron oxide nanoparticles (SPIONs) are promising tools for the treatment of different diseases. Their magnetic properties enable therapies involving magnetic drug targeting (MDT), hyperthermia or imaging. Depending on the intended treatment, specific characteristics of SPIONs are required. While particles used for imaging should circulate for extended periods of time in the vascular system, SPIONs intended for MDT or hyperthermia should be accumulated in the target area to come into close proximity of, or to be incorporated into, specific tumor cells. In this study, we determined the impact of several accurately characterized SPION types varying in size, zeta potential and surface coating on various human breast cancer cell lines and endothelial cells to identify the most suitable particle for future breast cancer therapy. We analyzed cellular SPION uptake, magnetic properties, cell proliferation and toxicity using atomic emission spectroscopy, magnetic susceptometry, flow cytometry and microscopy. The results demonstrated that treatment with dextran-coated SPIONs (SPIONDex) and lauric acid-coated SPIONs (SPIONLA) with an additional protein corona formed by human serum albumin (SPIONLA-HSA) resulted in very moderate particle uptake and low cytotoxicity, whereas SPIONLA had in part much stronger effects on cellular uptake and cellular toxicity. In summary, our data show significant dose-dependent and particle type-related response differences between various breast cancer and endothelial cells, indicating the utility of these particle types for distinct medical applications.
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Affiliation(s)
- Johanna M Poller
- Department of Otorhinolaryngology, Head and Neck Surgery, Section for Experimental Oncology & Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen.,Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU)
| | - Jan Zaloga
- Department of Otorhinolaryngology, Head and Neck Surgery, Section for Experimental Oncology & Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen
| | - Eveline Schreiber
- Department of Otorhinolaryngology, Head and Neck Surgery, Section for Experimental Oncology & Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen
| | - Harald Unterweger
- Department of Otorhinolaryngology, Head and Neck Surgery, Section for Experimental Oncology & Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen
| | - Christina Janko
- Department of Otorhinolaryngology, Head and Neck Surgery, Section for Experimental Oncology & Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen
| | - Patricia Radon
- Physikalisch-Technische Bundesanstalt Braunschweig und Berlin, Berlin, Germany
| | - Dietmar Eberbeck
- Physikalisch-Technische Bundesanstalt Braunschweig und Berlin, Berlin, Germany
| | - Lutz Trahms
- Physikalisch-Technische Bundesanstalt Braunschweig und Berlin, Berlin, Germany
| | - Christoph Alexiou
- Department of Otorhinolaryngology, Head and Neck Surgery, Section for Experimental Oncology & Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen
| | - Ralf P Friedrich
- Department of Otorhinolaryngology, Head and Neck Surgery, Section for Experimental Oncology & Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen
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Friedrich RP, Zaloga J, Schreiber E, Tóth IY, Tombácz E, Lyer S, Alexiou C. Tissue Plasminogen Activator Binding to Superparamagnetic Iron Oxide Nanoparticle-Covalent Versus Adsorptive Approach. NANOSCALE RESEARCH LETTERS 2016; 11:297. [PMID: 27299652 PMCID: PMC4907967 DOI: 10.1186/s11671-016-1521-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Accepted: 06/07/2016] [Indexed: 05/03/2023]
Abstract
Functionalized superparamagnetic iron oxide nanoparticles are frequently used to develop vehicles for drug delivery, hyperthermia, and photodynamic therapy and as tools used for magnetic separation and purification of proteins or for biomolecular imaging. Depending on the application, there are various possible covalent and non-covalent approaches for the functionalization of particles, each of them shows different advantages and disadvantages for drug release and activity at the desired location.Particularly important for the production of adsorptive and covalent bound drugs to nanoparticles is the pureness of the involved formulation. Especially the covalent binding strategy demands defined chemistry of the drug, which is stabilized by excess free amino acids which could reduce reaction efficiency. In this study, we therefore used tangential flow filtration (TFF) method to purify the drugs before the reaction and used the frequently applied and clinically available recombinant tissue plasminogen activator (tPA; Actilyse(®)) as a proof of concept. We then coupled the tPA preparation to polyacrylic acid-co-maleic acid (PAM)-coated superparamagnetic iron oxide nanoparticles (SPIONs) using an amino-reactive activated ester reaction and compared these particles to PAM-coated SPIONs with electrostatically adsorbed tPA.Using dynamic light scattering (DLS) and pH-dependent electrokinetic mobility measurements, we showed that surface properties of the SPIONs were significantly greater affected after activation of the particles compared to the adsorption controls. Different in vitro assays were used to investigate the activity of tPA after coupling to the particles and purification of the ferrofluid. Covalent linkage significantly improves the reactivity and long-term stability of the conjugated SPION-tPA system compared to simple adsorption. In conclusion, we have shown an effective way to produce SPIONs with covalent and non-covalent ultra-filtrated drugs. We showed that using activated ester reaction, immobilization of the protein was significantly better than in adsorptive approaches. Investigation of those functionalized SPIONs revealed diverging attributes, which should be taken into account when developing nanoparticles for different applications.
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Affiliation(s)
- Ralf P Friedrich
- />Department of Otorhinolaryngology, Head and Neck, Section for Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, University Hospital Erlangen, Glueckstraße 10a, 91054 Erlangen, Germany
| | - Jan Zaloga
- />Department of Otorhinolaryngology, Head and Neck, Section for Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, University Hospital Erlangen, Glueckstraße 10a, 91054 Erlangen, Germany
| | - Eveline Schreiber
- />Department of Otorhinolaryngology, Head and Neck, Section for Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, University Hospital Erlangen, Glueckstraße 10a, 91054 Erlangen, Germany
| | - Ildikó Y Tóth
- />Department of Physical Chemistry and Materials Science, University of Szeged, Szeged, Hungary
| | - Etelka Tombácz
- />Department of Physical Chemistry and Materials Science, University of Szeged, Szeged, Hungary
| | - Stefan Lyer
- />Department of Otorhinolaryngology, Head and Neck, Section for Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, University Hospital Erlangen, Glueckstraße 10a, 91054 Erlangen, Germany
| | - Christoph Alexiou
- />Department of Otorhinolaryngology, Head and Neck, Section for Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung-Professorship, University Hospital Erlangen, Glueckstraße 10a, 91054 Erlangen, Germany
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19
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Treatment Efficiency of Free and Nanoparticle-Loaded Mitoxantrone for Magnetic Drug Targeting in Multicellular Tumor Spheroids. Molecules 2015; 20:18016-30. [PMID: 26437393 PMCID: PMC6332068 DOI: 10.3390/molecules201018016] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Revised: 09/14/2015] [Accepted: 09/24/2015] [Indexed: 12/04/2022] Open
Abstract
Major problems of cancer treatment using systemic chemotherapy are severe side effects. Magnetic drug targeting (MDT) employing superparamagnetic iron oxide nanoparticles (SPION) loaded with chemotherapeutic agents may overcome this dilemma by increasing drug accumulation in the tumor and reducing toxic side effects in the healthy tissue. For translation of nanomedicine from bench to bedside, nanoparticle-mediated effects have to be studied carefully. In this study, we compare the effect of SPION, unloaded or loaded with the cytotoxic drug mitoxantrone (MTO) with the effect of free MTO, on the viability and proliferation of HT-29 cells within three-dimensional multicellular tumor spheroids. Fluorescence microscopy and flow cytometry showed that both free MTO, as well as SPION-loaded MTO (SPIONMTO) are able to penetrate into tumor spheroids and thereby kill tumor cells, whereas unloaded SPION did not affect cellular viability. Since SPIONMTO has herewith proven its effectivity also in complex multicellular tumor structures with its surrounding microenvironment, we conclude that it is a promising candidate for further use in magnetic drug targeting in vivo.
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20
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Liang S, Aiqun M, Figtree G, Ping Z. GAPDH-silence preserves H9C2 cells from acute hypoxia and reoxygenation injury. Int J Biol Macromol 2015; 81:375-86. [PMID: 26279122 DOI: 10.1016/j.ijbiomac.2015.08.028] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Revised: 08/10/2015] [Accepted: 08/11/2015] [Indexed: 01/28/2023]
Abstract
BACKGROUND Acute hypoxia and reoxygenation injury, as a common environmental stress condition, is a basic condition of most pathophysiological processes. It has been approve that autophagy and oxidant stress could contribute to acute hypoxia and reoxygenation injury. This study is aimed to examine the effect of glyceraldehyde-3-phosphate dehydrogenase (GAPDH) silence on cell injury with acute hypoxia and reoxygenation injury by autophagy and antioxidant stress pathway. METHODS GAPDH expression was silenced by siRNA in H9C2 cardiomyoblasts with acute hypoxia and reoxygenation injury. Autophagy was detected by western blot for autophagy proteins and monodansylcadaverine (MDC) staining for acidic substances. Pro-apoptosis protein and flow cytometry were used to assess cell apoptosis and death and intracellular adenosine triphosphate (ATP) relative concentration was measured. Oxidant stress was assessed by measuring 2'-7'-dichlorodihydrofluorescein diacetate (DCFH-DA), thiobarbituric acid reactive substances (TBARS), glutathione (GSH) and super oxide dismutase (SOD). RESULTS In this study, GAPDH-silence enhanced autophagy in H9C2 cells with acute hypoxia and reoxygenation injury, decreased oxidant stress and increased antioxidant pathways; and reduced cell apoptosis and death. However, GAPDH-silence had no significant effect on cell energy. CONCLUSION GAPDH pre-silence by siRNA reduces H9C2 cell death occurring via autophagy and anti-oxidative stress pathway in acute hypoxia and reoxygenation injury. This study enriches the understanding of GAPDH pathophysiology role, and provides potential new therapeutic targets for cardiac disease states characterized by oxidative stress.
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Affiliation(s)
- Shao Liang
- Department of Cardiology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China.
| | - Ma Aiqun
- Department of Cardiovascular Medicine, First Affiliated Hospital of Medical College of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
| | - Gemma Figtree
- North Shore Heart Research Group, Kolling Institute of Medical Research, University of Sydney, Sydney, Australia; Department of Cardiology, Royal North Shore Hospital, Sydney, Australia
| | - Zhang Ping
- Department of Geriatrics & Neurology, The Second Affiliated Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China.
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Friedrich RP, Janko C, Poettler M, Tripal P, Zaloga J, Cicha I, Dürr S, Nowak J, Odenbach S, Slabu I, Liebl M, Trahms L, Stapf M, Hilger I, Lyer S, Alexiou C. Flow cytometry for intracellular SPION quantification: specificity and sensitivity in comparison with spectroscopic methods. Int J Nanomedicine 2015; 10:4185-201. [PMID: 26170658 PMCID: PMC4492632 DOI: 10.2147/ijn.s82714] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Due to their special physicochemical properties, iron nanoparticles offer new promising possibilities for biomedical applications. For bench to bedside translation of super-paramagnetic iron oxide nanoparticles (SPIONs), safety issues have to be comprehensively clarified. To understand concentration-dependent nanoparticle-mediated toxicity, the exact quantification of intracellular SPIONs by reliable methods is of great importance. In the present study, we compared three different SPION quantification methods (ultraviolet spectrophotometry, magnetic particle spectroscopy, atomic adsorption spectroscopy) and discussed the shortcomings and advantages of each method. Moreover, we used those results to evaluate the possibility to use flow cytometric technique to determine the cellular SPION content. For this purpose, we correlated the side scatter data received from flow cytometry with the actual cellular SPION amount. We showed that flow cytometry provides a rapid and reliable method to assess the cellular SPION content. Our data also demonstrate that internalization of iron oxide nanoparticles in human umbilical vein endothelial cells is strongly dependent to the SPION type and results in a dose-dependent increase of toxicity. Thus, treatment with lauric acid-coated SPIONs (SEON(LA)) resulted in a significant increase in the intensity of side scatter and toxicity, whereas SEON(LA) with an additional protein corona formed by bovine serum albumin (SEON(LA-BSA)) and commercially available Rienso(®) particles showed only a minimal increase in both side scatter intensity and cellular toxicity. The increase in side scatter was in accordance with the measurements for SPION content by the atomic adsorption spectroscopy reference method. In summary, our data show that flow cytometry analysis can be used for estimation of uptake of SPIONs by mammalian cells and provides a fast tool for scientists to evaluate the safety of nanoparticle products.
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Affiliation(s)
- Ralf P Friedrich
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine, University hospital Erlangen, Erlangen, Germany
| | - Christina Janko
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine, University hospital Erlangen, Erlangen, Germany
| | - Marina Poettler
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine, University hospital Erlangen, Erlangen, Germany
| | - Philipp Tripal
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine, University hospital Erlangen, Erlangen, Germany
| | - Jan Zaloga
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine, University hospital Erlangen, Erlangen, Germany
| | - Iwona Cicha
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine, University hospital Erlangen, Erlangen, Germany
| | - Stephan Dürr
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine, University hospital Erlangen, Erlangen, Germany ; Department of Otorhinolaryngology, Head and Neck Surgery, Section of Phoniatrics and Pediatric Audiology, University hospital Erlangen, Erlangen, Germany
| | - Johannes Nowak
- Technische Universität Dresden, Chair of Magnetofluiddynamics, Measuring and Automation Technology, Dresden, Germany
| | - Stefan Odenbach
- Technische Universität Dresden, Chair of Magnetofluiddynamics, Measuring and Automation Technology, Dresden, Germany
| | - Ioana Slabu
- Physikalisch-Technische Bundesanstalt Berlin, Berlin, Germany
| | - Maik Liebl
- Physikalisch-Technische Bundesanstalt Berlin, Berlin, Germany
| | - Lutz Trahms
- Physikalisch-Technische Bundesanstalt Berlin, Berlin, Germany
| | - Marcus Stapf
- Department of Radiology, Division of Diagnostic and Interventional Radiology, Experimental Radiology, University hospital Jena, Jena, Germany
| | - Ingrid Hilger
- Department of Radiology, Division of Diagnostic and Interventional Radiology, Experimental Radiology, University hospital Jena, Jena, Germany
| | - Stefan Lyer
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine, University hospital Erlangen, Erlangen, Germany
| | - Christoph Alexiou
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine, University hospital Erlangen, Erlangen, Germany
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22
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Liang S, Figtree G, Aiqun M, Ping Z. GAPDH-knockdown reduce rotenone-induced H9C2 cells death via autophagy and anti-oxidative stress pathway. Toxicol Lett 2015; 234:162-71. [DOI: 10.1016/j.toxlet.2015.02.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Revised: 02/17/2015] [Accepted: 02/24/2015] [Indexed: 01/26/2023]
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23
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Chen J, Zhao Y, Liu Y. The role of nucleotides and purinergic signaling in apoptotic cell clearance - implications for chronic inflammatory diseases. Front Immunol 2014; 5:656. [PMID: 25566266 PMCID: PMC4274988 DOI: 10.3389/fimmu.2014.00656] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2014] [Accepted: 12/08/2014] [Indexed: 02/05/2023] Open
Abstract
Billions of cells undergo apoptosis every day in healthy individuals. A prompt removal of dying cells prevents the release of pro-inflammatory intracellular content and progress to secondary necrosis. Thus, inappropriate clearance of apoptotic cells provokes autoimmunity and has been associated with many chronic inflammatory diseases. Recent studies have suggested that extracellular adenosine 5'-triphosphate and related nucleotides play an important role in the apoptotic clearance process. Here, we review the current understanding of nucleotides and purinergic receptors in apoptotic cell clearance and the potential therapeutic targets of purinergic receptor subtypes in inflammatory conditions.
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Affiliation(s)
- Jin Chen
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yi Zhao
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Yi Liu
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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24
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Chaurio RA, Muñoz LE, Maueröder C, Janko C, Harrer T, Fürnrohr BG, Niederweis M, Bilyy R, Schett G, Herrmann M, Berens C. The progression of cell death affects the rejection of allogeneic tumors in immune-competent mice - implications for cancer therapy. Front Immunol 2014; 5:560. [PMID: 25426116 PMCID: PMC4227513 DOI: 10.3389/fimmu.2014.00560] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Accepted: 10/21/2014] [Indexed: 12/22/2022] Open
Abstract
Large amounts of dead and dying cells are produced during cancer therapy and allograft rejection. Depending on the death pathway and stimuli involved, dying cells exhibit diverse features, resulting in defined physiological consequences for the host. It is not fully understood how dying and dead cells modulate the immune response of the host. To address this problem, different death stimuli were studied in B16F10 melanoma cells by regulated inducible transgene expression of the pro-apoptotic active forms of caspase-3 (revCasp-3), Bid (tBid), and the Mycobacterium tuberculosis-necrosis inducing toxin (CpnTCTD). The immune outcome elicited for each death stimulus was assessed by evaluating the allograft rejection of melanoma tumors implanted subcutaneously in BALB/c mice immunized with dying cells. Expression of all proteins efficiently killed cells in vitro (>90%) and displayed distinctive morphological and physiological features as assessed by multiparametric flow cytometry analysis. BALB/c mice immunized with allogeneic dying melanoma cells expressing revCasp-3 or CpnTCTD showed strong rejection of the allogeneic challenge. In contrast, mice immunized with cells dying either after expression of tBid or irradiation with UVB did not, suggesting an immunologically silent cell death. Surprisingly, immunogenic cell death induced by expression of revCasp-3 or CpnTCTD correlated with elevated intracellular reactive oxygen species (ROS) levels at the time point of immunization. Conversely, early mitochondrial dysfunction induced by tBid expression or UVB irradiation accounted for the absence of intracellular ROS accumulation at the time point of immunization. Although ROS inhibition in vitro was not sufficient to abrogate the immunogenicity in our allo-immunization model, we suggest that the point of ROS generation and its intracellular accumulation may be an important factor for its role as damage associated molecular pattern in the development of allogeneic responses.
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Affiliation(s)
- Ricardo A Chaurio
- Department of Internal Medicine 3, Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen , Germany
| | - Luis E Muñoz
- Department of Internal Medicine 3, Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen , Germany
| | - Christian Maueröder
- Department of Internal Medicine 3, Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen , Germany ; Department of Biology, Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen , Germany
| | - Christina Janko
- Department of Otorhinolaryngology, Head and Neck Surgery, Section for Experimental Oncology and Nanomedicine (SEON), University Hospital Erlangen , Erlangen , Germany
| | - Thomas Harrer
- Department of Internal Medicine 3, Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen , Germany
| | - Barbara G Fürnrohr
- Division of Molecular Immunology, Department of Internal Medicine 3, Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen , Germany ; Division of Biological Chemistry, Medical University Innsbruck , Innsbruck , Austria
| | - Michael Niederweis
- Department of Microbiology and Biochemistry, University of Alabama at Birmingham , Birmingham, AL , USA
| | - Rostyslav Bilyy
- Institute of Cell Biology, National Academy of Sciences of Ukraine , Lviv , Ukraine
| | - Georg Schett
- Department of Internal Medicine 3, Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen , Germany
| | - Martin Herrmann
- Department of Internal Medicine 3, Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen , Germany
| | - Christian Berens
- Department of Biology, Friedrich-Alexander University of Erlangen-Nuremberg , Erlangen , Germany
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25
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Bacalum M, Radu M. Cationic Antimicrobial Peptides Cytotoxicity on Mammalian Cells: An Analysis Using Therapeutic Index Integrative Concept. Int J Pept Res Ther 2014. [DOI: 10.1007/s10989-014-9430-z] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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26
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Biermann MHC, Veissi S, Maueröder C, Chaurio R, Berens C, Herrmann M, Munoz LE. The role of dead cell clearance in the etiology and pathogenesis of systemic lupus erythematosus: dendritic cells as potential targets. Expert Rev Clin Immunol 2014; 10:1151-64. [DOI: 10.1586/1744666x.2014.944162] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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27
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Brauchle E, Thude S, Brucker SY, Schenke-Layland K. Cell death stages in single apoptotic and necrotic cells monitored by Raman microspectroscopy. Sci Rep 2014; 4:4698. [PMID: 24732136 PMCID: PMC3986703 DOI: 10.1038/srep04698] [Citation(s) in RCA: 182] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2013] [Accepted: 04/01/2014] [Indexed: 12/12/2022] Open
Abstract
Although apoptosis and necrosis have distinct features, the identification and discrimination of apoptotic and necrotic cell death in vitro is challenging. Immunocytological and biochemical assays represent the current gold standard for monitoring cell death pathways; however, these standard assays are invasive, render large numbers of cells and impede continuous monitoring experiments. In this study, both room temperature (RT)-induced apoptosis and heat-triggered necrosis were analyzed in individual Saos-2 and SW-1353 cells by utilizing Raman microspectroscopy. A targeted analysis of defined cell death modalities, including early and late apoptosis as well as necrosis, was facilitated based on the combination of Raman spectroscopy with fluorescence microscopy. Spectral shifts were identified in the two cell lines that reflect biochemical changes specific for either RT-induced apoptosis or heat-mediated necrosis. A supervised classification model specified apoptotic and necrotic cell death based on single cell Raman spectra. To conclude, Raman spectroscopy allows a non-invasive, continuous monitoring of cell death, which may help shedding new light on complex pathophysiological or drug-induced cell death processes.
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Affiliation(s)
- Eva Brauchle
- Fraunhofer-Institute for Interfacial Engineering and Biotechnology (IGB), Department of Cell and Tissue Engineering, Nobelstr. 12, 70569 Stuttgart, Germany
- University of Stuttgart, Institute of Interfacial Process Engineering and Plasma Technology (IGVP), Nobelstr. 12, 70569 Stuttgart, Germany
| | - Sibylle Thude
- Fraunhofer-Institute for Interfacial Engineering and Biotechnology (IGB), Department of Cell and Tissue Engineering, Nobelstr. 12, 70569 Stuttgart, Germany
| | - Sara Y. Brucker
- University Women's Hospital, Eberhard-Karls-University Tübingen, Silcherstr. 7/1, 72076 Tübingen, Germany
| | - Katja Schenke-Layland
- Fraunhofer-Institute for Interfacial Engineering and Biotechnology (IGB), Department of Cell and Tissue Engineering, Nobelstr. 12, 70569 Stuttgart, Germany
- University Women's Hospital, Eberhard-Karls-University Tübingen, Silcherstr. 7/1, 72076 Tübingen, Germany
- Department of Medicine/Cardiology, Cardiovascular Research Laboratories, David Geffen School of Medicine at UCLA, 675 Charles E. Young Drive South, MRL 3645, Los Angeles, CA, USA
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