1
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Mergani A, Meurer M, Wiebe E, Dümmer K, Wirz K, Lehmann J, Brogden G, Schenke M, Künnemann K, Naim HY, Grassl GA, von Köckritz-Blickwede M, Seeger B. Alteration of cholesterol content and oxygen level in intestinal organoids after infection with Staphylococcus aureus. FASEB J 2023; 37:e23279. [PMID: 37902583 DOI: 10.1096/fj.202300799r] [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: 04/22/2023] [Revised: 08/16/2023] [Accepted: 10/13/2023] [Indexed: 10/31/2023]
Abstract
The pathogenicity elicited by Staphylococcus (S.) aureus, one of the best-studied bacteria, in the intestine is not well understood. Recently, we demonstrated that S. aureus infection induces alterations in membrane composition that are associated with concomitant impairment of intestinal function. Here, we used two organoid models, induced pluripotent stem cell (iPSC)-derived intestinal organoids and colonic intestinal stem cell-derived intestinal organoids (colonoids), to examine how sterol metabolism and oxygen levels change in response to S. aureus infection. HPLC quantification showed differences in lipid homeostasis between infected and uninfected cells, characterized by a remarkable decrease in total cellular cholesterol. As the altered sterol metabolism is often due to oxidative stress response, we next examined intracellular and extracellular oxygen levels. Three different approaches to oxygen measurement were applied: (1) cell-penetrating nanoparticles to quantify intracellular oxygen content, (2) sensor plates to quantify extracellular oxygen content in the medium, and (3) a sensor foil system for oxygen distribution in organoid cultures. The data revealed significant intracellular and extracellular oxygen drop after infection in both intestinal organoid models as well as in Caco-2 cells, which even 48 h after elimination of extracellular bacteria, did not return to preinfection oxygen levels. In summary, we show alterations in sterol metabolism and intra- and extracellular hypoxia as a result of S. aureus infection. These results will help understand the cellular stress responses during sustained bacterial infections in the intestinal epithelium.
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Affiliation(s)
- AhmedElmontaser Mergani
- Institute of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany
- Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Hannover, Germany
| | - Marita Meurer
- Institute of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany
- Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Hannover, Germany
| | - Elena Wiebe
- Institute for Food Quality and Food Safety, Research Group Food Toxicology and Replacement/Complementary Methods to Animal Testing, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Katrin Dümmer
- Institute of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany
- Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Hannover, Germany
| | - Katrin Wirz
- Institute of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany
- Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Hannover, Germany
| | - Judith Lehmann
- Institute for Food Quality and Food Safety, Research Group Food Toxicology and Replacement/Complementary Methods to Animal Testing, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Graham Brogden
- Institute of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany
- Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Hannover, Germany
| | - Maren Schenke
- Institute for Food Quality and Food Safety, Research Group Food Toxicology and Replacement/Complementary Methods to Animal Testing, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Katrin Künnemann
- Institute of Medical Microbiology and Hospital Epidemiology and German Center for Infection Research (DZIF), Partner Site Hannover, Hannover Medical School, Hannover, Germany
| | - Hassan Y Naim
- Institute of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Guntram A Grassl
- Institute of Medical Microbiology and Hospital Epidemiology and German Center for Infection Research (DZIF), Partner Site Hannover, Hannover Medical School, Hannover, Germany
| | - Maren von Köckritz-Blickwede
- Institute of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany
- Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Hannover, Germany
| | - Bettina Seeger
- Institute for Food Quality and Food Safety, Research Group Food Toxicology and Replacement/Complementary Methods to Animal Testing, University of Veterinary Medicine Hannover, Hannover, Germany
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2
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Zapatero-Belinchón FJ, Moeller R, Lasswitz L, van Ham M, Becker M, Brogden G, Rosendal E, Bi W, Carriquí-Madroñal B, Islam K, Lenman A, Gunesch AP, Kirui J, Pietschmann T, Överby AK, Jänsch L, Gerold G. Fluvastatin mitigates SARS-CoV-2 infection in human lung cells. iScience 2021; 24:103469. [PMID: 34812415 PMCID: PMC8599137 DOI: 10.1016/j.isci.2021.103469] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 09/08/2021] [Accepted: 11/15/2021] [Indexed: 02/06/2023] Open
Abstract
Clinical data of patients suffering from COVID-19 indicates that statin therapy, used to treat hypercholesterolemia, is associated with a better disease outcome. Whether statins directly affect virus replication or influence the clinical outcome through modulation of immune responses is unknown. We therefore investigated the effect of statins on SARS-CoV-2 infection in human lung cells and found that only fluvastatin inhibited low and high pathogenic coronaviruses in vitro and ex vivo in a dose-dependent manner. Quantitative proteomics revealed that fluvastatin and other tested statins modulated the cholesterol synthesis pathway without altering innate antiviral immune responses in infected lung epithelial cells. However, fluvastatin treatment specifically downregulated proteins that modulate protein translation and viral replication. Collectively, these results support the notion that statin therapy poses no additional risk to individuals exposed to SARS-CoV-2 and that fluvastatin has a moderate beneficial effect on SARS-CoV-2 infection of human lung cells.
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Affiliation(s)
- Francisco J. Zapatero-Belinchón
- Institute for Experimental Virology, TWINCORE, Centre for Experimental and Clinical Infection Research, A Joint Venture Between the Medical School Hannover and the Helmholtz Centre for Infection Research, 30625 Hannover, Germany
- Department of Clinical Microbiology, Virology, Umeå University, 90185 Umeå, Sweden
- Wallenberg Centre for Molecular Medicine (WCMM), Umeå University, 90185 Umeå, Sweden
- Department of Biochemistry & Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Rebecca Moeller
- Institute for Experimental Virology, TWINCORE, Centre for Experimental and Clinical Infection Research, A Joint Venture Between the Medical School Hannover and the Helmholtz Centre for Infection Research, 30625 Hannover, Germany
- Department of Biochemistry & Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Lisa Lasswitz
- Institute for Experimental Virology, TWINCORE, Centre for Experimental and Clinical Infection Research, A Joint Venture Between the Medical School Hannover and the Helmholtz Centre for Infection Research, 30625 Hannover, Germany
- Department of Biochemistry & Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Marco van Ham
- Cellular Proteome Research Group, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany
| | - Miriam Becker
- Institute for Experimental Virology, TWINCORE, Centre for Experimental and Clinical Infection Research, A Joint Venture Between the Medical School Hannover and the Helmholtz Centre for Infection Research, 30625 Hannover, Germany
- Department of Clinical Microbiology, Virology, Umeå University, 90185 Umeå, Sweden
- Wallenberg Centre for Molecular Medicine (WCMM), Umeå University, 90185 Umeå, Sweden
| | - Graham Brogden
- Institute for Experimental Virology, TWINCORE, Centre for Experimental and Clinical Infection Research, A Joint Venture Between the Medical School Hannover and the Helmholtz Centre for Infection Research, 30625 Hannover, Germany
- Department of Biochemistry & Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Ebba Rosendal
- Department of Clinical Microbiology, Virology, Umeå University, 90185 Umeå, Sweden
- The Laboratory for Molecular Infection Medicine Sweden (MIMS), R893+F4 Umeå, Sweden
| | - Wenjie Bi
- Cellular Proteome Research Group, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany
| | - Belén Carriquí-Madroñal
- Institute for Experimental Virology, TWINCORE, Centre for Experimental and Clinical Infection Research, A Joint Venture Between the Medical School Hannover and the Helmholtz Centre for Infection Research, 30625 Hannover, Germany
- Department of Biochemistry & Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Koushikul Islam
- Department of Clinical Microbiology, Virology, Umeå University, 90185 Umeå, Sweden
- Wallenberg Centre for Molecular Medicine (WCMM), Umeå University, 90185 Umeå, Sweden
| | - Annasara Lenman
- Department of Clinical Microbiology, Virology, Umeå University, 90185 Umeå, Sweden
- Wallenberg Centre for Molecular Medicine (WCMM), Umeå University, 90185 Umeå, Sweden
| | - Antonia P. Gunesch
- Institute for Experimental Virology, TWINCORE, Centre for Experimental and Clinical Infection Research, A Joint Venture Between the Medical School Hannover and the Helmholtz Centre for Infection Research, 30625 Hannover, Germany
- Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, 30625 Hannover, Germany
- German Centre for Infection Research (DZIF), Partner site Hannover-Braunschweig, 30625 Hannover, Germany
| | - Jared Kirui
- Institute for Experimental Virology, TWINCORE, Centre for Experimental and Clinical Infection Research, A Joint Venture Between the Medical School Hannover and the Helmholtz Centre for Infection Research, 30625 Hannover, Germany
- Department of Biochemistry & Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Thomas Pietschmann
- Institute for Experimental Virology, TWINCORE, Centre for Experimental and Clinical Infection Research, A Joint Venture Between the Medical School Hannover and the Helmholtz Centre for Infection Research, 30625 Hannover, Germany
- German Centre for Infection Research (DZIF), Partner site Hannover-Braunschweig, 30625 Hannover, Germany
| | - Anna K. Överby
- Department of Clinical Microbiology, Virology, Umeå University, 90185 Umeå, Sweden
- The Laboratory for Molecular Infection Medicine Sweden (MIMS), R893+F4 Umeå, Sweden
| | - Lothar Jänsch
- Cellular Proteome Research Group, Helmholtz Centre for Infection Research, 38124 Braunschweig, Germany
| | - Gisa Gerold
- Institute for Experimental Virology, TWINCORE, Centre for Experimental and Clinical Infection Research, A Joint Venture Between the Medical School Hannover and the Helmholtz Centre for Infection Research, 30625 Hannover, Germany
- Department of Clinical Microbiology, Virology, Umeå University, 90185 Umeå, Sweden
- Wallenberg Centre for Molecular Medicine (WCMM), Umeå University, 90185 Umeå, Sweden
- Department of Biochemistry & Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, 30559 Hannover, Germany
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3
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Fritzsche S, Blenk P, Christian J, Castiglione K, Becker AM. Inhibitory properties of crude microalgal extracts on the in vitro replication of cyprinid herpesvirus 3. Sci Rep 2021; 11:23134. [PMID: 34848777 PMCID: PMC8633293 DOI: 10.1038/s41598-021-02542-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 11/11/2021] [Indexed: 01/10/2023] Open
Abstract
Microalgae are possible sources of antiviral substances, e.g. against cyprinid herpesvirus 3 (CyHV-3). Although this virus leads to high mortalities in aquacultures, there is no treatment available yet. Hence, ethanolic extracts produced with accelerated solvent extraction from six microalgal species (Arthrospira platensis, Chlamydomonas reinhardtii, Chlorella kessleri, Haematococcus pluvialis, Nostoc punctiforme and Scenedesmus obliquus) were examined in this study. An inhibition of the in vitro replication of CyHV-3 could be confirmed for all six species, with the greatest effect for the C. reinhardtii and H. pluvialis crude extracts. At still non-cytotoxic concentrations, viral DNA replication was reduced by over 3 orders of magnitude each compared to the untreated replication controls, while the virus titers were even below the limit of detection (reduction of 4 orders of magnitude). When pre-incubating both cells and virus with C. reinhardtii and H. pluvialis extracts before inoculation, the reduction of viral DNA was even stronger (> 4 orders of magnitude) and no infectious viral particles were detected. Thus, the results of this study indicate that microalgae and cyanobacteria are a promising source of natural bioactive substances against CyHV-3. However, further studies regarding the isolation and identification of the active components of the extracts are needed.
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Affiliation(s)
- Stefanie Fritzsche
- grid.5330.50000 0001 2107 3311Department of Chemical and Biological Engineering, Institute of Bioprocess Engineering, Friedrich-Alexander University Erlangen-Nürnberg, Paul-Gordan-Straße 3, 91052 Erlangen, Germany
| | - Patrik Blenk
- grid.5330.50000 0001 2107 3311Department of Chemical and Biological Engineering, Institute of Bioprocess Engineering, Friedrich-Alexander University Erlangen-Nürnberg, Paul-Gordan-Straße 3, 91052 Erlangen, Germany
| | - Jürgen Christian
- grid.414279.d0000 0001 0349 2029Bavarian Health and Food Safety Authority, Institute for Animal Health II, Eggenreuther Weg 43, 91058 Erlangen, Germany
| | - Kathrin Castiglione
- grid.5330.50000 0001 2107 3311Department of Chemical and Biological Engineering, Institute of Bioprocess Engineering, Friedrich-Alexander University Erlangen-Nürnberg, Paul-Gordan-Straße 3, 91052 Erlangen, Germany
| | - Anna Maria Becker
- Department of Chemical and Biological Engineering, Institute of Bioprocess Engineering, Friedrich-Alexander University Erlangen-Nürnberg, Paul-Gordan-Straße 3, 91052, Erlangen, Germany.
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4
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Adamek M, Davies J, Beck A, Jordan L, Becker AM, Mojzesz M, Rakus K, Rumiac T, Collet B, Brogden G, Way K, Bergmann SM, Zou J, Steinhagen D. Antiviral Actions of 25-Hydroxycholesterol in Fish Vary With the Virus-Host Combination. Front Immunol 2021; 12:581786. [PMID: 33717065 PMCID: PMC7943847 DOI: 10.3389/fimmu.2021.581786] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 01/04/2021] [Indexed: 12/22/2022] Open
Abstract
Cholesterol is essential for building and maintaining cell membranes and is critical for several steps in the replication cycle of viruses, especially for enveloped viruses. In mammalian cells virus infections lead to the accumulation of the oxysterol 25-hydroxycholesterol (25HC), an antiviral factor, which is produced from cholesterol by the cholesterol 25 hydroxylase (CH25H). Antiviral responses based on CH25H are not well studied in fish. Therefore, in the present study putative genes encoding for CH25H were identified and amplified in common carp and rainbow trout cells and an HPLC-MS method was applied for determination of oxysterol concentrations in these cells under virus infection. Our results give some evidence that the activation of CH25H could be a part of the antiviral response against a broad spectrum of viruses infecting fish, in both common carp and rainbow trout cells in vitro. Quantification of oxysterols showed that fibroblastic cells are capable of producing 25HC and its metabolite 7α,25diHC. The oxysterol 25HC showed an antiviral activity by blocking the entry of cyprinid herpesvirus 3 (CyHV-3) into KFC cells, but not spring viremia of carp virus (SVCV) or common carp paramyxovirus (Para) in the same cells, or viral haemorrhagic septicaemia virus (VHSV) and infectious pancreatic necrosis virus (IPNV) into RTG-2 cells. Despite the fact that the CH25H based antiviral response coincides with type I IFN responses, the stimulation of salmonid cells with recombinant type I IFN proteins from rainbow trout could not induce ch25h_b gene expression. This provided further evidence, that the CH25H-response is not type I IFN dependent. Interestingly, the susceptibility of CyHV-3 to 25HC is counteracted by a downregulation of the expression of the ch25h_b gene in carp fibroblasts during CyHV-3 infection. This shows a unique interplay between oxysterol based immune responses and immunomodulatory abilities of certain viruses.
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Affiliation(s)
- Mikolaj Adamek
- Fish Disease Research Unit, Institute for Parasitology, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Jonathan Davies
- Fish Disease Research Unit, Institute for Parasitology, University of Veterinary Medicine Hannover, Hannover, Germany.,School of Life Sciences, Keele University, Keele, United Kingdom
| | - Alexander Beck
- Institute of Bioprocess Engineering, Friedrich-Alexander-University, Erlangen, Germany
| | - Lisa Jordan
- Institute of Bioprocess Engineering, Friedrich-Alexander-University, Erlangen, Germany
| | - Anna M Becker
- Institute of Bioprocess Engineering, Friedrich-Alexander-University, Erlangen, Germany
| | - Miriam Mojzesz
- Department of Evolutionary Immunology, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Krakow, Poland
| | - Krzysztof Rakus
- Department of Evolutionary Immunology, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Krakow, Poland
| | - Typhaine Rumiac
- Université Paris-Saclay, INRAE, UVSQ, VIM, Jouy-en-Josas, France
| | - Bertrand Collet
- Université Paris-Saclay, INRAE, UVSQ, VIM, Jouy-en-Josas, France
| | - Graham Brogden
- Fish Disease Research Unit, Institute for Parasitology, University of Veterinary Medicine Hannover, Hannover, Germany.,Department of Physiological Chemistry, University of Veterinary Medicine Hannover, Hannover, Germany.,Institute for Experimental Virology, TWINCORE, Centre for Experimental and Clinical Infection Research, a joint venture between the Medical School Hannover and the Helmholtz Centre for Infection Research, Hannover, Germany
| | - Keith Way
- Centre for Environment, Fisheries and Aquaculture Science (CEFAS), Weymouth, United Kingdom
| | - Sven M Bergmann
- Institute of Infectology, Friedrich-Loeffler-Institut (FLI), Greifswald, Germany
| | - Jun Zou
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai, China.,International Research Center for Marine Biosciences at Shanghai Ocean University, Ministry of Science and Technology, Shanghai, China.,National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Dieter Steinhagen
- Fish Disease Research Unit, Institute for Parasitology, University of Veterinary Medicine Hannover, Hannover, Germany
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5
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Borah K, Rickman OJ, Voutsina N, Ampong I, Gao D, Baple EL, Dias IH, Crosby AH, Griffiths HR. A quantitative LC-MS/MS method for analysis of mitochondrial -specific oxysterol metabolism. Redox Biol 2020; 36:101595. [PMID: 32574926 PMCID: PMC7317222 DOI: 10.1016/j.redox.2020.101595] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 05/15/2020] [Accepted: 05/22/2020] [Indexed: 02/07/2023] Open
Abstract
Oxysterols are critical regulators of inflammation and cholesterol metabolism in cells. They are oxidation products of cholesterol and may be differentially metabolised in subcellular compartments and in biological fluids. New analytical methods are needed to improve our understanding of oxysterol trafficking and the molecular interplay between the cellular compartments required to maintain cholesterol/oxysterol homeostasis. Here we describe a method for isolation of oxysterols using solid phase extraction and quantification by liquid chromatography-mass spectrometry, applied to tissue, cells and mitochondria. We analysed five monohydroxysterols; 24(S)-hydroxycholesterol, 25-hydroxycholesterol, 27-hydroxycholesterol, 7α-hydroxycholesterol, 7 ketocholesterol and three dihydroxysterols 7α-24(S)dihydroxycholesterol, 7α-25dihydroxycholesterol, 7α-27dihydroxycholesterol by LC-MS/MS following reverse phase chromatography. Our new method, using Triton and DMSO extraction, shows improved extraction efficiency and recovery of oxysterols from cellular matrix. We validated our method by reproducibly measuring oxysterols in mouse brain tissue and showed that mice fed a high fat diet had significantly lower levels of 24S/25diOHC, 27diOHC and 7ketoOHC. We measured oxysterols in mitochondria from peripheral blood mononuclear cells and highlight the importance of rapid cell isolation to minimise effects of handling and storage conditions on oxysterol composition in clinical samples. In addition, in vitro cell culture systems, of THP-1 monocytes and neuronal-like SH-SH5Y cells, showed mitochondrial-specific oxysterol metabolism and profiles were lineage specific. In summary, we describe a robust and reproducible method validated for improved recovery, quantitative linearity and detection, reproducibility and selectivity for cellular oxysterol analysis. This method enables subcellular oxysterol metabolism to be monitored and is versatile in its application to various biological and clinical samples.
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Affiliation(s)
- Khushboo Borah
- Department of Nutrition, Faculty of Health and Medical Sciences, University of Surrey, Guildford, GU2 7XH, UK
| | - Olivia J Rickman
- University of Exeter Medical School, RILD Building, RD&E Hospital Wonford, Barrack Road, Exeter, EX2 5DW, UK
| | - Nikol Voutsina
- University of Exeter Medical School, RILD Building, RD&E Hospital Wonford, Barrack Road, Exeter, EX2 5DW, UK
| | - Isaac Ampong
- Department of Nutrition, Faculty of Health and Medical Sciences, University of Surrey, Guildford, GU2 7XH, UK
| | - Dan Gao
- Department of Human Anatomy,Histology and Embryology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, China
| | - Emma L Baple
- University of Exeter Medical School, RILD Building, RD&E Hospital Wonford, Barrack Road, Exeter, EX2 5DW, UK
| | | | - Andrew H Crosby
- University of Exeter Medical School, RILD Building, RD&E Hospital Wonford, Barrack Road, Exeter, EX2 5DW, UK
| | - Helen R Griffiths
- Department of Nutrition, Faculty of Health and Medical Sciences, University of Surrey, Guildford, GU2 7XH, UK.
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6
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Bonilla MC, Fingerhut L, Alfonso-Castro A, Mergani A, Schwennen C, von Köckritz-Blickwede M, de Buhr N. How Long Does a Neutrophil Live?-The Effect of 24 h Whole Blood Storage on Neutrophil Functions in Pigs. Biomedicines 2020; 8:biomedicines8080278. [PMID: 32784433 PMCID: PMC7459936 DOI: 10.3390/biomedicines8080278] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 07/22/2020] [Accepted: 08/03/2020] [Indexed: 12/23/2022] Open
Abstract
Neutrophils are important effector cells of the innate immune system, traditionally regarded to have a short life span. The goal of this study was to evaluate the effect of the whole blood storage on neutrophil functions, e.g., viability, antimicrobial effect, neutrophil extracellular trap (NET) formation and phagocytosis. Therefore, fresh porcine whole blood was compared to whole blood stored for 24 h in the dark at room temperature. Different cell parameters in whole blood and in isolated neutrophils were analyzed. The following parameters were analyzed: cell count, band and segmented neutrophil count, viability, cholesterol content, release of free DNA as a marker for cell death, phagocytic activity in whole blood and in isolated neutrophils, the transmigration rate of neutrophils to IL8 stimulus, the production of reactive oxygen species (ROS), and the formation of NETs. It was observed that the number of isolated neutrophils decreased over time, indicating cell death occurs during 24 h of blood storage. However, the surviving neutrophils isolated from stored blood reacted comparably or even showed enhanced antimicrobial activity in the case of phagocytosis of Streptococcus (S.) suis, ROS production, and transmigration. The slightly altered cholesterol level of the harvested neutrophils in stored blood when compared to fresh blood partially explains some of the detected differences.
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Affiliation(s)
- Marta C. Bonilla
- Institute for Physiological Chemistry, University of Veterinary Medicine Hannover, Foundation, 30559 Hannover, Germany; (M.C.B.); (L.F.); (A.A.-C.); (A.M.); (M.v.K.-B.)
- Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Foundation, 30559 Hannover, Germany
| | - Leonie Fingerhut
- Institute for Physiological Chemistry, University of Veterinary Medicine Hannover, Foundation, 30559 Hannover, Germany; (M.C.B.); (L.F.); (A.A.-C.); (A.M.); (M.v.K.-B.)
- Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Foundation, 30559 Hannover, Germany
- Clinic for Horses, University of Veterinary Medicine Hannover, 30559 Hannover, Germany
| | - Adriana Alfonso-Castro
- Institute for Physiological Chemistry, University of Veterinary Medicine Hannover, Foundation, 30559 Hannover, Germany; (M.C.B.); (L.F.); (A.A.-C.); (A.M.); (M.v.K.-B.)
- Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Foundation, 30559 Hannover, Germany
- College of Veterinary Medicine, University of Florida, Gainesville, FL 32608, USA
| | - AhmedElmontaser Mergani
- Institute for Physiological Chemistry, University of Veterinary Medicine Hannover, Foundation, 30559 Hannover, Germany; (M.C.B.); (L.F.); (A.A.-C.); (A.M.); (M.v.K.-B.)
- Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Foundation, 30559 Hannover, Germany
| | - Cornelia Schwennen
- Clinic for Swine, Small Ruminants and Forensic Medicine and Ambulatory Service, University of Veterinary Medicine Hannover, 30173 Hannover, Germany;
| | - Maren von Köckritz-Blickwede
- Institute for Physiological Chemistry, University of Veterinary Medicine Hannover, Foundation, 30559 Hannover, Germany; (M.C.B.); (L.F.); (A.A.-C.); (A.M.); (M.v.K.-B.)
- Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Foundation, 30559 Hannover, Germany
| | - Nicole de Buhr
- Institute for Physiological Chemistry, University of Veterinary Medicine Hannover, Foundation, 30559 Hannover, Germany; (M.C.B.); (L.F.); (A.A.-C.); (A.M.); (M.v.K.-B.)
- Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary Medicine Hannover, Foundation, 30559 Hannover, Germany
- Correspondence: ; Tel.: +49-511-953-6119
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7
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Qin Y, Zhou R, Jin J, Xie J, Liu H, Cai P, Shu J, Zhao Y, Huang L, Zhang S. UPLC-ESI-Q-TOF-MS/MS analysis of anticancer fractions from Ophiocordyceps xuefengensis and Ophiocordyceps sinensis. Biomed Chromatogr 2020; 34:e4841. [PMID: 32267545 DOI: 10.1002/bmc.4841] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 03/22/2020] [Accepted: 04/01/2020] [Indexed: 01/30/2023]
Abstract
Ophiocordyceps xuefengensis (O. xuefengensis), a new species of caterpillar fungus, has been identified as the sister taxon of Ophiocordyceps sinensis (O. sinensis). The aims of the present study are to evaluate the anticancer activity and to qualitatively analyze the potential bioactive chemical constituents of O. xuefengensis and O. sinensis, comparatively. An MTT assay was used to evaluate the in vitro anticancer activities of different fractions from O. xuefengensis and O. sinensis. The results show that ethyl acetate fractions of O. xuefengensis and O. sinensis have significant in vitro anticancer activity. These two bioactive fractions were analyzed by ultra-performance liquid chromatography-electrospray ionization with quadrupole-time of flight tandem mass spectrometry technology. A total of 82 compounds and 101 compounds were identified or tentatively characterized in the bioactive fractions of O. xuefengensis and O. sinensis, respectively. Among these compounds, 68 existed in both O. xuefengensis and O. sinensis. A total of 67 compounds were reported in O. xuefengensis and 8 compounds were reported in caterpillar fungus for the first time. This is the first detailed comparative analysis of the in vitro anticancer activity and chemical ingredients between O. xuefengensis and O. sinensis. The application of this work will provide reliable fundamental pharmacological substances for the use of O. xuefengensis by Yao people.
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Affiliation(s)
- You Qin
- Institute of Chinese Materia Medica, Hunan Academy of Chinese Medicine, Changsha, China.,Hunan University of Chinese Medicine, Changsha, China
| | - Rongrong Zhou
- Changchun University of Chinese Medicine, Changchun, China
| | - Jian Jin
- Institute of Chinese Materia Medica, Hunan Academy of Chinese Medicine, Changsha, China
| | - Jing Xie
- Institute of Chinese Materia Medica, Hunan Academy of Chinese Medicine, Changsha, China
| | - Hao Liu
- Institute of Chinese Materia Medica, Hunan Academy of Chinese Medicine, Changsha, China
| | - Ping Cai
- Institute of Chinese Materia Medica, Hunan Academy of Chinese Medicine, Changsha, China.,2011 Collaboration and Innovation Center for Digital Chinese Medicine in Hunan, Changsha, China
| | - Jun Shu
- Hunan University of Chinese Medicine, Changsha, China
| | - Yahui Zhao
- Hunan Xinhengtang Traditional Chinese Medicine Technology Co., LTD, China
| | - Luqi Huang
- National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, State Key Laboratory Breeding Base of Dao-di Herbs, Beijing, China
| | - Shuihan Zhang
- Institute of Chinese Materia Medica, Hunan Academy of Chinese Medicine, Changsha, China.,2011 Collaboration and Innovation Center for Digital Chinese Medicine in Hunan, Changsha, China
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