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Sánchez Romano J, Simón-Santamaría J, McCourt P, Smedsrød B, Mortensen KE, Sagona AP, Sørensen KK, Larsen AK. Liver sinusoidal cells eliminate blood-borne phage K1F. mSphere 2024; 9:e0070223. [PMID: 38415633 PMCID: PMC10964407 DOI: 10.1128/msphere.00702-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 01/30/2024] [Indexed: 02/29/2024] Open
Abstract
Phage treatment has regained attention due to an increase in multiresistant bacteria. For phage therapy to be successful, phages must reach their target bacteria in sufficiently high numbers. Blood-borne phages are believed to be captured by macrophages in the liver and spleen. Since liver sinusoids also consist of specialized scavenger liver sinusoidal endothelial cells (LSECs) and Kupffer cells (KCs), this study investigated the contribution of both cell types in the elimination of Escherichia coli phage K1Fg10b::gfp (K1Fgfp) in mice. Circulatory half-life, organ, and hepatocellular distribution of K1Fgfp were determined following intravenous administration. Internalization of K1Fgfp and effects of phage opsonization on uptake were explored using primary mouse and human LSEC and KC cultures. When inoculated with 107 virions, >95% of the total K1Fgfp load was eliminated from the blood within 20 min, and 94% of the total retrieved K1Fgfp was localized to the liver. Higher doses resulted in slower elimination, possibly reflecting temporary saturation of liver scavenging capacity. Phage DNA was detected in both cell types, with a KC:LSEC ratio of 12:1 per population following cell isolation. Opsonization with plasma proteins increased time-dependent cellular uptake in both LSECs and KCs in vitro. Internalized phages were rapidly transported along the endocytic pathway to lysosomal compartments. Reduced viability of intracellular K1Fgfp corroborated inactivation following endocytosis. This study is the first to identify phage distribution in the liver at the hepatocellular level, confirming clearance of K1Fgfp performed mostly by KCs with a significant uptake also in LSECs.IMPORTANCEFaced with the increasing amounts of bacteria with multidrug antimicrobial resistance, phage therapy has regained attention as a possible treatment option. The phage field has recently experienced an emergence in commercial interest as research has identified new and more efficient ways of identifying and matching phages against resistant superbugs. Currently, phages are unapproved drugs in most parts of the world. For phages to reach broad clinical use, they must be shown to be clinically safe and useful. The results presented herein contribute to increased knowledge about the pharmacokinetics of the T7-like phage K1F in the mammalian system. The cell types of the liver that are responsible for rapid phage blood clearance are identified. Our results highlight the need for more research about appropriate dose regimens when phage therapy is delivered intravenously and advise essential knowledge about cell systems that should be investigated further for detailed phage pharmacodynamics.
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Affiliation(s)
| | | | - Peter McCourt
- Department of Medical Biology, UiT The Arctic University of Norway, Tromsø, Norway
| | - Bård Smedsrød
- Department of Medical Biology, UiT The Arctic University of Norway, Tromsø, Norway
| | - Kim Erlend Mortensen
- Gastrointestinal Surgery Unit, University Hospital of North Norway, Tromsø, Norway
| | - Antonia P. Sagona
- School of Life Sciences, University of Warwick, Coventry, United Kingdom
| | | | - Anett Kristin Larsen
- Department of Medical Biology, UiT The Arctic University of Norway, Tromsø, Norway
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2
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Wang J, An H, Ding M, Liu Y, Wang S, Jin Q, Wu Q, Dong H, Guo Q, Tian X, Liu J, Zhang J, Zhu T, Li J, Shao Z, Briles DE, Veening JW, Zheng H, Zhang L, Zhang JR. Liver macrophages and sinusoidal endothelial cells execute vaccine-elicited capture of invasive bacteria. Sci Transl Med 2023; 15:eade0054. [PMID: 38117903 DOI: 10.1126/scitranslmed.ade0054] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 11/29/2023] [Indexed: 12/22/2023]
Abstract
Vaccination has substantially reduced the morbidity and mortality of bacterial diseases, but mechanisms of vaccine-elicited pathogen clearance remain largely undefined. We report that vaccine-elicited immunity against invasive bacteria mainly operates in the liver. In contrast to the current paradigm that migrating phagocytes execute vaccine-elicited immunity against blood-borne pathogens, we found that invasive bacteria are captured and killed in the liver of vaccinated host via various immune mechanisms that depend on the protective potency of the vaccine. Vaccines with relatively lower degrees of protection only activated liver-resident macrophage Kupffer cells (KCs) by inducing pathogen-binding immunoglobulin M (IgM) or low amounts of IgG. IgG-coated pathogens were directly captured by KCs via multiple IgG receptors FcγRs, whereas IgM-opsonized bacteria were indirectly bound to KCs via complement receptors of immunoglobulin superfamily (CRIg) and complement receptor 3 (CR3) after complement C3 activation at the bacterial surface. Conversely, the more potent vaccines engaged both KCs and liver sinusoidal endothelial cells by inducing higher titers of functional IgG antibodies. Endothelial cells (ECs) captured densely IgG-opsonized pathogens by the low-affinity IgG receptor FcγRIIB in a "zipper-like" manner and achieved bacterial killing predominantly in the extracellular milieu via an undefined mechanism. KC- and endothelial cell-based capture of antibody-opsonized bacteria also occurred in FcγR-humanized mice. These vaccine protection mechanisms in the liver not only provide a comprehensive explanation for vaccine-/antibody-boosted immunity against invasive bacteria but also may serve as in vivo functional readouts of vaccine efficacy.
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Affiliation(s)
- Juanjuan Wang
- Center for Infectious Disease Research, Department of Basic Medical Science, School of Medicine, Tsinghua University, Beijing 100084, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Haoran An
- Center for Infectious Disease Research, Department of Basic Medical Science, School of Medicine, Tsinghua University, Beijing 100084, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Ming Ding
- Center for Infectious Disease Research, Department of Basic Medical Science, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Yanhong Liu
- Center for Infectious Disease Research, Department of Basic Medical Science, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Shaomeng Wang
- Center for Infectious Disease Research, Department of Basic Medical Science, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Qian Jin
- Center for Infectious Disease Research, Department of Basic Medical Science, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Qi Wu
- Center for Infectious Disease Research, Department of Basic Medical Science, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Haodi Dong
- Center for Infectious Disease Research, Department of Basic Medical Science, School of Medicine, Tsinghua University, Beijing 100084, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China
| | - Qile Guo
- Center for Infectious Disease Research, Department of Basic Medical Science, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Xianbin Tian
- Center for Infectious Disease Research, Department of Basic Medical Science, School of Medicine, Tsinghua University, Beijing 100084, China
| | | | | | - Tao Zhu
- Cansino Biologics, Tianjin 300301, China
| | | | - Zhujun Shao
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102299, China
| | - David E Briles
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL 35233, USA
| | - Jan-Willem Veening
- Department of Fundamental Microbiology, Faculty of Biology and Medicine, University of Lausanne, Lausanne 1015, Switzerland
| | | | - Linqi Zhang
- Center for Infectious Disease Research, Department of Basic Medical Science, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Jing-Ren Zhang
- Center for Infectious Disease Research, Department of Basic Medical Science, School of Medicine, Tsinghua University, Beijing 100084, China
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China
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3
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Hincapie R, Bhattacharya S, Baksh MM, Sanhueza CA, Echeverri ES, Kim H, Paunovska K, Podilapu AR, Xu M, Dahlman JE, Finn MG. Multivalent Targeting of the Asialoglycoprotein Receptor by Virus-Like Particles. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2304263. [PMID: 37649182 PMCID: PMC10840735 DOI: 10.1002/smll.202304263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 08/16/2023] [Indexed: 09/01/2023]
Abstract
The asialoglycoprotein receptor (ASGPR) is expressed in high density on hepatocytes. Multivalent variants of galactosyl carbohydrates bind ASGPR with high affinity, enabling hepatic delivery of ligand-bound cargo. Virus-like particle (VLP) conjugates of a relatively high-affinity ligand were efficiently endocytosed by ASGPR-expressing cells in a manner strongly dependent on the nature and density of ligand display, with the best formulation using a nanomolar-, but not a picomolar-level, binder. Optimized particles were taken up by HepG2 cells with greater efficiency than competing small molecules or the natural multigalactosylated ligand, asialoorosomucoid. Upon systemic injection in mice, these VLPs were rapidly cleared to the liver and were found in association with sinusoidal endothelial cells, Kupffer cells, hepatocytes, dendritic cells, and other immune cells. Both ASGPR-targeted and nontargeted particles were distributed similarly to endothelial and Kupffer cells, but targeted particles were distributed to a greater number and fraction of hepatocytes. Thus, selective cellular trafficking in the liver is difficult to achieve: even with the most potent ASGPR targeting available, barrier cells take up much of the injected particles and hepatocytes are accessed only approximately twice as efficiently in the best case.
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Affiliation(s)
- Robert Hincapie
- School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, GA, 30332, USA
| | - Sonia Bhattacharya
- School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, GA, 30332, USA
| | - Michael M Baksh
- School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, GA, 30332, USA
| | - Carlos A Sanhueza
- School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, GA, 30332, USA
| | - Elisa Schrader Echeverri
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory School of Medicine, 313 Ferst Dr NW, Atlanta, GA, 30332, USA
| | - Hyejin Kim
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory School of Medicine, 313 Ferst Dr NW, Atlanta, GA, 30332, USA
| | - Kalina Paunovska
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory School of Medicine, 313 Ferst Dr NW, Atlanta, GA, 30332, USA
| | - Ananda R Podilapu
- School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, GA, 30332, USA
| | - Minghao Xu
- School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, GA, 30332, USA
| | - James E Dahlman
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory School of Medicine, 313 Ferst Dr NW, Atlanta, GA, 30332, USA
| | - M G Finn
- School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, GA, 30332, USA
- School of Biological Sciences, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, GA, 30332, USA
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4
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Kyrrestad I, Larsen AK, Sánchez Romano J, Simón-Santamaría J, Li R, Sørensen KK. Infection of liver sinusoidal endothelial cells with Muromegalovirus muridbeta1 involves binding to neuropilin-1 and is dynamin-dependent. Front Cell Infect Microbiol 2023; 13:1249894. [PMID: 38029264 PMCID: PMC10665495 DOI: 10.3389/fcimb.2023.1249894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Abstract
Liver sinusoidal endothelial cells (LSEC) are scavenger cells with a remarkably high capacity for clearance of several blood-borne macromolecules and nanoparticles, including some viruses. Endocytosis in LSEC is mainly via the clathrin-coated pit mediated route, which is dynamin-dependent. LSEC can also be a site of infection and latency of betaherpesvirus, but mode of virus entry into these cells has not yet been described. In this study we have investigated the role of dynamin in the early stage of muromegalovirus muridbeta1 (MuHV-1, murid betaherpesvirus 1, murine cytomegalovirus) infection in mouse LSECs. LSEC cultures were freshly prepared from C57Bl/6JRj mouse liver. We first examined dose- and time-dependent effects of two dynamin-inhibitors, dynasore and MitMAB, on cell viability, morphology, and endocytosis of model ligands via different LSEC scavenger receptors to establish a protocol for dynamin-inhibition studies in these primary cells. LSECs were challenged with MuHV-1 (MOI 0.2) ± dynamin inhibitors for 1h, then without inhibitors and virus for 11h, and nuclear expression of MuHV-1 immediate early antigen (IE1) measured by immune fluorescence. MuHV-1 efficiently infected LSECs in vitro. Infection was significantly and independently inhibited by dynasore and MitMAB, which block dynamin function via different mechanisms, suggesting that initial steps of MuHV-1 infection is dynamin-dependent in LSECs. Infection was also reduced in the presence of monensin which inhibits acidification of endosomes. Furthermore, competitive binding studies with a neuropilin-1 antibody blocked LSEC infection. This suggests that MuHV-1 infection in mouse LSECs involves virus binding to neuropilin-1 and occurs via endocytosis.
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Affiliation(s)
- Ingelin Kyrrestad
- Department of Medical Biology, Faculty of Health Sciences, UiT - The Arctic University of Norway, Tromsø, Norway
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5
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Fajardo-Lubian A, Venturini C. Use of Bacteriophages to Target Intracellular Pathogens. Clin Infect Dis 2023; 77:S423-S432. [PMID: 37932114 DOI: 10.1093/cid/ciad515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2023] Open
Abstract
Bacteriophages (phages) have shown great potential as natural antimicrobials against extracellular pathogens (eg, Escherichia coli or Klebsiella pneumoniae), but little is known about how they interact with intracellular targets (eg, Shigella spp., Salmonella spp., Mycobacterium spp.) in the mammalian host. Recent research has demonstrated that phages can enter human cells. However, for the design of successful clinical applications, further investigation is required to define their subcellular behavior and to understand the complex biological processes that underlie the interaction with their bacterial targets. In this review, we summarize the molecular evidence of phage internalization in eucaryotic cells, with specific focus on proof of phage activity against their bacterial targets within the eucaryotic host, and the current proposed strategies to overcome poor penetrance issues that may impact therapeutic use against the most clinically relevant intracellular pathogens.
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Affiliation(s)
- Alicia Fajardo-Lubian
- Faculty of Medicine and Health, Sydney ID Institute, University of Sydney, Sydney, New South Wales, Australia
- Centre for Infectious Diseases and Microbiology, Westmead Institute for Medical Research, Westmead, New South Wales, Australia
| | - Carola Venturini
- Centre for Infectious Diseases and Microbiology, Westmead Institute for Medical Research, Westmead, New South Wales, Australia
- Faculty of Science, Sydney School of Veterinary Science, University of Sydney, Sydney, New South Wales, Australia
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6
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Hoogerland JA, Staels B, Dombrowicz D. Immune-metabolic interactions in homeostasis and the progression to NASH. Trends Endocrinol Metab 2022; 33:690-709. [PMID: 35961913 DOI: 10.1016/j.tem.2022.07.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 07/09/2022] [Accepted: 07/12/2022] [Indexed: 12/16/2022]
Abstract
The incidence of non-alcoholic fatty liver disease (NAFLD) has increased significantly over the past two decades. NAFLD ranges from simple steatosis (NAFL) to nonalcoholic steatohepatitis (NASH) and predisposes to fibrosis and hepatocellular carcinoma (HCC). The importance of the immune system in hepatic physiology and in the progression of NAFLD is increasingly recognized. At homeostasis, the liver participates in immune defense against pathogens and in tolerance of gut-derived microbial compounds. Hepatic immune cells also respond to metabolic stimuli and have a role in NAFLD progression to NASH. In this review, we discuss how metabolic perturbations affect immune cell phenotype and function in NAFL and NASH, and then focus on the role of immune cells in liver homeostasis and in the development of NASH.
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Affiliation(s)
- Joanne A Hoogerland
- Univeristy of Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, F-59000 Lille, France
| | - Bart Staels
- Univeristy of Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, F-59000 Lille, France
| | - David Dombrowicz
- Univeristy of Lille, Inserm, CHU Lille, Institut Pasteur de Lille, U1011-EGID, F-59000 Lille, France.
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7
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Enrichment Methods for Murine Liver Non-Parenchymal Cells Differentially Affect Their Immunophenotype and Responsiveness towards Stimulation. Int J Mol Sci 2022; 23:ijms23126543. [PMID: 35742987 PMCID: PMC9223567 DOI: 10.3390/ijms23126543] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/07/2022] [Accepted: 06/09/2022] [Indexed: 12/12/2022] Open
Abstract
Hepatocytes comprise the majority of the liver and largely exert metabolic functions, whereas non-parenchymal cells (NPCs)—comprising Kupffer cells, dendritic cells and liver sinusoidal endothelial cells—control the immunological state within this organ. Here, we compared the suitability of two isolation methods for murine liver NPCs. Liver perfusion (LP) with collagenase/DNase I applied via the portal vein leads to efficient liver digestion, whereas the modified liver dissociation (LD) method combines mechanical dissociation of the retrieved organ with enzymatic degradation of the extracellular matrix. In cases of both LP and LD, NPCs were enriched by subsequent gradient density centrifugation. Our results indicate that LP and LD are largely comparable with regards to the yield, purity, and composition of liver NPCs. However, LD-enriched liver NPCs displayed a higher degree of activation after overnight cultivation, and accordingly were less responsive towards stimulation with toll-like receptor ligands that are frequently used as adjuvants, e.g., in nano-vaccines. We conclude that LP is more suitable for obtaining liver NPCs for subsequent in vitro studies, whereas LD as the less laborious method, is more convenient for parallel isolation of larger numbers of samples for ex vivo analysis.
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AlRamadneh TN, AlQurashi N, Khan MSA, Hashimi SM, Javaraiah R, Al-Ostoot FH, Alhaija AAA. Flaxseed oil ameliorates mercuric chloride-induced liver damage in rats. J Trace Elem Med Biol 2022; 71:126965. [PMID: 35278998 DOI: 10.1016/j.jtemb.2022.126965] [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] [Received: 05/22/2021] [Revised: 11/16/2021] [Accepted: 02/24/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Mercury is a relentless pollutant, and its toxicity contributes to significant health problems due to exposure to the environment. The present study has determined the impact of flaxseed oil on mercuric chloride (HgCl2)-mediated hepatic oxidative toxicity in rats. METHODS Twenty-four healthy male Wistar rats were divided into four groups with six animals in each group. Group-A was the Control group treated with saline; Group-B received 1.0 ml oral dosage of flaxseed oil; Group-C was given 200 µl intraperitoneal injection of HgCl2, and Group-D received 1.0 ml oral dosage of flaxseed oil (one hour after treatment with 200 µl intraperitoneal injection of HgCl2. RESULTS Mercuric chloride (HgCl2) increased the production of malondialdehyde (MDA), reactive oxygen species (ROS), glutathione (GSH), and the concentration of HgCl2 in the liver tissue with a simultaneous decrease in the activities of Superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px). Furthermore, serum HgCl2 elevated the activity of alanine transaminase (ALT) and Lactate dehydrogenase (LDH). Histopathological changes showed that liver injury was caused by mercuric chloride. Treatment with flaxseed oil ameliorated ROS production and reversed enzymes in serum and liver. Also, a noticeable improvement was observed in all the histopathological characteristics in the rats. CONCLUSIONS The findings of this study concluded that flaxseed oil had an outstanding remedial effect on mercuric chloride-mediated hepatic cytotoxicity.
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Affiliation(s)
- Tareq Nayef AlRamadneh
- Department of Basic Sciences, Deanship of Preparatory Year and Supporting Studies, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 34212, Saudi Arabia.
| | - Naif AlQurashi
- Department of Basic Sciences, Deanship of Preparatory Year and Supporting Studies, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 34212, Saudi Arabia
| | - Mohd Sajjad Ahmad Khan
- Department of Basic Sciences, Deanship of Preparatory Year and Supporting Studies, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 34212, Saudi Arabia
| | - Saeed Mujahid Hashimi
- School of Medical Science and Menzies Health Institute Queensland, Gold Coast Campus, Griffith University, Queensland 4222 Australia
| | - Rajesh Javaraiah
- Department of Biochemistry, Yuvaraja's College, University of Mysore, Mysuru 570005, Karnataka, India; Department of Biotechnology, Yuvaraja's College, University of Mysore, Mysuru 570005, Karnataka, India
| | - Fares Hezam Al-Ostoot
- Department of Chemistry, Yuvaraja's College, University of Mysore, Mysuru India; Department of Biochemistry, Faculty of Education & Science, Al-Baydha University, Yemen
| | - Abed Alkarem Abu Alhaija
- Department of Molecular and Genetics, Gebze Institute of Technology, Gebze-Kocaeli 41400, Turkey
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9
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Patten DA, Wilkinson AL, O'Keeffe A, Shetty S. Scavenger Receptors: Novel Roles in the Pathogenesis of Liver Inflammation and Cancer. Semin Liver Dis 2022; 42:61-76. [PMID: 34553345 PMCID: PMC8893982 DOI: 10.1055/s-0041-1733876] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The scavenger receptor superfamily represents a highly diverse collection of evolutionarily-conserved receptors which are known to play key roles in host homeostasis, the most prominent of which is the clearance of unwanted endogenous macromolecules, such as oxidized low-density lipoproteins, from the systemic circulation. Members of this family have also been well characterized in their binding and internalization of a vast range of exogenous antigens and, consequently, are generally considered to be pattern recognition receptors, thus contributing to innate immunity. Several studies have implicated scavenger receptors in the pathophysiology of several inflammatory diseases, such as Alzheimer's and atherosclerosis. Hepatic resident cellular populations express a diverse complement of scavenger receptors in keeping with the liver's homeostatic functions, but there is gathering interest in the contribution of these receptors to hepatic inflammation and its complications. Here, we review the expression of scavenger receptors in the liver, their functionality in liver homeostasis, and their role in inflammatory liver disease and cancer.
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Affiliation(s)
- Daniel A. Patten
- National Institute for Health Research Birmingham Liver Biomedical Research Unit, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
- Centre for Liver and Gastrointestinal Research, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
| | - Alex L. Wilkinson
- National Institute for Health Research Birmingham Liver Biomedical Research Unit, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
- Centre for Liver and Gastrointestinal Research, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
| | - Ayla O'Keeffe
- National Institute for Health Research Birmingham Liver Biomedical Research Unit, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
- Centre for Liver and Gastrointestinal Research, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
| | - Shishir Shetty
- National Institute for Health Research Birmingham Liver Biomedical Research Unit, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
- Centre for Liver and Gastrointestinal Research, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
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10
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Abstract
Intestinal microbiota, dominated by bacteria, plays an important role in the occurrence and the development of alcohol-associated liver disease (ALD), which is one of the most common liver diseases around the world. With sufficient studies focusing on the gut bacterial community, chronic alcohol consumption is now known as a key factor that alters the composition of gut bacterial community, increases intestinal permeability, causes intestinal dysfunction, induces bacterial translocation, and exacerbates the process of ALD via gut-liver axis. However, gut non-bacterial communities including fungi, viruses, and archaea, which may also participate in the disease, has received little attention relative to the gut bacterial community. This paper will systematically collect the latest literatures reporting non-bacterial communities in mammalian health and disease, and review their mechanisms in promoting the development of ALD including CLEC7A pathway, Candidalysin (a peptide toxin secreted by Candida albicans), metabolites, and other chemical substances secreted or regulated by gut commensal mycobiome, virome, and archaeome, hoping to bring novel insights on our current knowledge of ALD.
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Affiliation(s)
- Wenkang Gao
- Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yixin Zhu
- Department of Medicine, University of California San Diego, La Jolla, California, USA
| | - Jin Ye
- Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Huikuan Chu
- Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China,CONTACT Huikuan Chu Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, China
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11
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Hunt NJ, McCourt PAG, Kuncic Z, Le Couteur DG, Cogger VC. Opportunities and Challenges for Nanotherapeutics for the Aging Population. FRONTIERS IN NANOTECHNOLOGY 2022. [DOI: 10.3389/fnano.2022.832524] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Nanotherapeutics utilize the properties of nanomaterials to alter the pharmacology of the drugs and therapies being transported, leading to changes in their biological disposition (absorption, distribution, cellular uptake, metabolism and elimination) and ultimately, their pharmacological effect. This provides an opportunity to optimize the pharmacology of drugs, particularly for those that are dependent on hepatic action. Old age is associated with changes in many pharmacokinetic processes which tend to impair drug efficacy and increase risk of toxicity. While these age-related changes are drug-specific they could be directly addressed using nanotechnology and precision targeting. The benefits of nanotherapeutics needs to be balanced against toxicity, with future use in humans dependent upon the gathering of information about the clearance and long-term safety of nanomaterials.
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12
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Miernikiewicz P, Dąbrowska K. Endocytosis of Bacteriophages. Curr Opin Virol 2021; 52:229-235. [PMID: 34968792 DOI: 10.1016/j.coviro.2021.12.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/30/2021] [Accepted: 12/05/2021] [Indexed: 11/19/2022]
Abstract
Endocytosis is used by eukaryotic cells for ingesting external objects. Importantly, endocytosis is a major process that determines phage pharmacokinetics in vivo. Either dissemination of phages throughout the system or phage clearance engages cellular uptake of phage particles. Here we discuss phage uptake by mammalian cells, focusing on mechanisms and pathways involved. Of note, cellular uptake of phage virions was first observed in professional phagocytes, such as macrophages or granulocytes. For this reason, it was historically referred to as 'phagocytosis'. The modern definition of phagocytosis, however, identifies this process as a type of endocytosis within a larger repertoire of endocytic pathways, such as macropinocytosis, clathrin-mediated endocytosis, and caveolar endocytosis, which have all been included in the scope of this review.
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Affiliation(s)
- Paulina Miernikiewicz
- Laboratory of Phage Molecular Biology, Department of Phage Therapy, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, Wrocław, 53-114, Poland
| | - Krystyna Dąbrowska
- Laboratory of Phage Molecular Biology, Department of Phage Therapy, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigla 12, Wrocław, 53-114, Poland.
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13
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The Hepatic Sinusoid in Chronic Liver Disease: The Optimal Milieu for Cancer. Cancers (Basel) 2021; 13:cancers13225719. [PMID: 34830874 PMCID: PMC8616349 DOI: 10.3390/cancers13225719] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/08/2021] [Accepted: 11/11/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary During the development of chronic liver disease, the hepatic sinusoid undergoes major changes that further compromise the hepatic function, inducing persistent inflammation and the formation of scar tissue, together with alterations in liver hemodynamics. This diseased background may induce the formation and development of hepatocellular carcinoma (HCC), which is the most common form of primary liver cancer and a major cause of mortality. In this review, we describe the ways in which the dysregulation of hepatic sinusoidal cells—including liver sinusoidal cells, Kupffer cells, and hepatic stellate cells—may have an important role in the development of HCC. Our review summarizes all of the known sinusoidal processes in both health and disease, and possible treatments focusing on the dysregulation of the sinusoid; finally, we discuss how some of these alterations occurring during chronic injury are shared with the pathology of HCC and may contribute to its development. Abstract The liver sinusoids are a unique type of microvascular beds. The specialized phenotype of sinusoidal cells is essential for their communication, and for the function of all hepatic cell types, including hepatocytes. Liver sinusoidal endothelial cells (LSECs) conform the inner layer of the sinusoids, which is permeable due to the fenestrae across the cytoplasm; hepatic stellate cells (HSCs) surround LSECs, regulate the vascular tone, and synthetize the extracellular matrix, and Kupffer cells (KCs) are the liver-resident macrophages. Upon injury, the harmonic equilibrium in sinusoidal communication is disrupted, leading to phenotypic alterations that may affect the function of the whole liver if the damage persists. Understanding how the specialized sinusoidal cells work in coordination with each other in healthy livers and chronic liver disease is of the utmost importance for the discovery of new therapeutic targets and the design of novel pharmacological strategies. In this manuscript, we summarize the current knowledge on the role of sinusoidal cells and their communication both in health and chronic liver diseases, and their potential pharmacologic modulation. Finally, we discuss how alterations occurring during chronic injury may contribute to the development of hepatocellular carcinoma, which is usually developed in the background of chronic liver disease.
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14
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Bhandari S, Larsen AK, McCourt P, Smedsrød B, Sørensen KK. The Scavenger Function of Liver Sinusoidal Endothelial Cells in Health and Disease. Front Physiol 2021; 12:757469. [PMID: 34707514 PMCID: PMC8542980 DOI: 10.3389/fphys.2021.757469] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 09/14/2021] [Indexed: 12/12/2022] Open
Abstract
The aim of this review is to give an outline of the blood clearance function of the liver sinusoidal endothelial cells (LSECs) in health and disease. Lining the hundreds of millions of hepatic sinusoids in the human liver the LSECs are perfectly located to survey the constituents of the blood. These cells are equipped with high-affinity receptors and an intracellular vesicle transport apparatus, enabling a remarkably efficient machinery for removal of large molecules and nanoparticles from the blood, thus contributing importantly to maintain blood and tissue homeostasis. We describe here central aspects of LSEC signature receptors that enable the cells to recognize and internalize blood-borne waste macromolecules at great speed and high capacity. Notably, this blood clearance system is a silent process, in the sense that it usually neither requires or elicits cell activation or immune responses. Most of our knowledge about LSECs arises from studies in animals, of which mouse and rat make up the great majority, and some species differences relevant for extrapolating from animal models to human are discussed. In the last part of the review, we discuss comparative aspects of the LSEC scavenger functions and specialized scavenger endothelial cells (SECs) in other vascular beds and in different vertebrate classes. In conclusion, the activity of LSECs and other SECs prevent exposure of a great number of waste products to the immune system, and molecules with noxious biological activities are effectively “silenced” by the rapid clearance in LSECs. An undesired consequence of this avid scavenging system is unwanted uptake of nanomedicines and biologics in the cells. As the development of this new generation of therapeutics evolves, there will be a sharp increase in the need to understand the clearance function of LSECs in health and disease. There is still a significant knowledge gap in how the LSEC clearance function is affected in liver disease.
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Affiliation(s)
- Sabin Bhandari
- Vascular Biology Research Group, Department of Medical Biology, University of Tromsø (UiT) - The Arctic University of Norway, Tromsø, Norway
| | - Anett Kristin Larsen
- Vascular Biology Research Group, Department of Medical Biology, University of Tromsø (UiT) - The Arctic University of Norway, Tromsø, Norway
| | - Peter McCourt
- Vascular Biology Research Group, Department of Medical Biology, University of Tromsø (UiT) - The Arctic University of Norway, Tromsø, Norway
| | - Bård Smedsrød
- Vascular Biology Research Group, Department of Medical Biology, University of Tromsø (UiT) - The Arctic University of Norway, Tromsø, Norway
| | - Karen Kristine Sørensen
- Vascular Biology Research Group, Department of Medical Biology, University of Tromsø (UiT) - The Arctic University of Norway, Tromsø, Norway
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15
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Exposure to Bacteriophages T4 and M13 Increases Integrin Gene Expression and Impairs Migration of Human PC-3 Prostate Cancer Cells. Antibiotics (Basel) 2021; 10:antibiotics10101202. [PMID: 34680783 PMCID: PMC8532711 DOI: 10.3390/antibiotics10101202] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 09/30/2021] [Accepted: 09/30/2021] [Indexed: 02/06/2023] Open
Abstract
The interaction between bacteriophages and integrins has been reported in different cancer cell lines, and efforts have been undertaken to understand these interactions in tumor cells along with their possible role in gene alterations, with the aim to develop new cancer therapies. Here, we report that the non-specific interaction of T4 and M13 bacteriophages with human PC-3 cells results in differential migration and varied expression of different integrins. PC-3 tumor cells (at 70% confluence) were exposed to 1 × 107 pfu/mL of either lytic T4 bacteriophage or filamentous M13 bacteriophage. After 24 h of exposure, cells were processed for a histochemical analysis, wound-healing migration assay, and gene expression profile using quantitative real-time PCR (qPCR). qPCR was performed to analyze the expression profiles of integrins ITGAV, ITGA5, ITGB1, ITGB3, and ITGB5. Our findings revealed that PC-3 cells interacted with T4 and M13 bacteriophages, with significant upregulation of ITGAV, ITGA5, ITGB3, ITGB5 genes after phage exposure. PC-3 cells also exhibited reduced migration activity when exposed to either T4 or M13 phages. These results suggest that wildtype bacteriophages interact non-specifically with PC-3 cells, thereby modulating the expression of integrin genes and affecting cell migration. Therefore, bacteriophages have future potential applications in anticancer therapies.
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16
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Wang Y, Liu Y. Gut-liver-axis: Barrier function of liver sinusoidal endothelial cell. J Gastroenterol Hepatol 2021; 36:2706-2714. [PMID: 33811372 DOI: 10.1111/jgh.15512] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 03/02/2021] [Accepted: 03/27/2021] [Indexed: 12/15/2022]
Abstract
Liver diseases are associated with the leaky gut via the gut-liver-axis. Previous studies have paid much attention to the effect of gut barrier damage. Notably, clinical observations and basic research reveal that the gut barrier damage seldom leads to liver injury independently but aggravates pre-existing liver diseases such as non-alcoholic fatty liver disease and drug-induced liver injury. These evidences suggest that there is a hepatic barrier in the gut-liver-axis, protecting the liver against gut-derived pathogenic factors. However, it has never been investigated which type of liver cell plays the role of hepatic barrier. Under physiological conditions, liver sinusoidal endothelial cell (LSEC) can take up and eliminate virus, bacteriophage, microbial products, and metabolic wastes. LSEC also keeps the homeostasis of liver immune environment via tolerance-inducing and anti-inflammatory functions. In contrast, under pathological conditions, the clearance function of LSEC is impaired, and LSEC turns into a pro-inflammatory pattern. Given its anatomical position and physiological functions, LSEC is proposed as the hepatic barrier in the gut-liver-axis. In this review, we aim to further understand the role of LSEC as the hepatic barrier. Future studies are warranted to seek effective treatments to improve LSEC health, which appears to be a promising approach to prevent gut-derived liver injury.
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Affiliation(s)
- Yang Wang
- Department of Gastroenterology, Peking University People's Hospital, Beijing, China.,Clinical Center of Immune-Mediated Digestive Diseases, Peking University People's Hospital, Beijing, China
| | - Yulan Liu
- Department of Gastroenterology, Peking University People's Hospital, Beijing, China.,Clinical Center of Immune-Mediated Digestive Diseases, Peking University People's Hospital, Beijing, China
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17
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Huisman Y, Uphoff K, Berger M, Dobrindt U, Schelhaas M, Zobel T, Bussmann J, van Impel A, Schulte-Merker S. Meningeal lymphatic endothelial cells fulfill scavenger endothelial cell function and cooperate with microglia in waste removal from the brain. Glia 2021; 70:35-49. [PMID: 34487573 DOI: 10.1002/glia.24081] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 08/16/2021] [Accepted: 08/18/2021] [Indexed: 12/13/2022]
Abstract
Brain lymphatic endothelial cells (BLECs) constitute a group of loosely connected endothelial cells that reside within the meningeal layer of the zebrafish brain without forming a vascular tubular system. BLECs have been shown to readily endocytose extracellular cargo molecules from the brain parenchyma, however, their functional relevance in relation to microglia remains enigmatic. We here compare their functional uptake efficiency for several macromolecules and bacterial components with microglia in a qualitative and quantitative manner in 5-day-old zebrafish embryos. We find BLECs to be significantly more effective in the uptake of proteins, polysaccharides and virus particles as compared to microglia, while larger particles like bacteria are only ingested by microglia but not by BLECs, implying a clear distribution of tasks between the two cell types in the brain area. In addition, we compare BLECs to the recently discovered scavenger endothelial cells (SECs) of the cardinal vein and find them to accept an identical set of substrate molecules. Our data identifies BLECs as the first brain-associated SEC population in vertebrates, and demonstrates that BLECs cooperate with microglia to remove particle waste from the brain.
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Affiliation(s)
- Yvonne Huisman
- Institute of Cardiovascular Organogenesis and Regeneration, WWU Münster, Münster, Germany.,Faculty of Medicine, WWU Münster, Münster, Germany.,Cells-in-Motion Cluster of Excellence, WWU Münster, Münster, Germany
| | - Katharina Uphoff
- Institute of Cardiovascular Organogenesis and Regeneration, WWU Münster, Münster, Germany.,Faculty of Medicine, WWU Münster, Münster, Germany
| | | | | | - Mario Schelhaas
- Faculty of Medicine, WWU Münster, Münster, Germany.,Cells-in-Motion Cluster of Excellence, WWU Münster, Münster, Germany.,Institute of Cellular Virology, ZMBE, Münster, Germany
| | - Thomas Zobel
- Cells-in-Motion Cluster of Excellence, WWU Münster, Münster, Germany.,Imaging Network, Cells in Motion Interfaculty Centre, WWU Münster, Germany
| | - Jeroen Bussmann
- Division of BioTherapeutics, Leiden Academic Centre for Drug Research (LACDR), Leiden University, Einsteinweg 55, Leiden, 2333CC, The Netherlands
| | - Andreas van Impel
- Institute of Cardiovascular Organogenesis and Regeneration, WWU Münster, Münster, Germany.,Faculty of Medicine, WWU Münster, Münster, Germany.,Cells-in-Motion Cluster of Excellence, WWU Münster, Münster, Germany
| | - Stefan Schulte-Merker
- Institute of Cardiovascular Organogenesis and Regeneration, WWU Münster, Münster, Germany.,Faculty of Medicine, WWU Münster, Münster, Germany.,Cells-in-Motion Cluster of Excellence, WWU Münster, Münster, Germany
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18
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Sanmukh SG, dos Santos NJ, Barquilha CN, Cucielo MS, de Carvalho M, dos Reis PP, Delella FK, Carvalho HF, Felisbino SL. Bacteriophages M13 and T4 Increase the Expression of Anchorage-Dependent Survival Pathway Genes and Down Regulate Androgen Receptor Expression in LNCaP Prostate Cell Line. Viruses 2021; 13:v13091754. [PMID: 34578333 PMCID: PMC8473360 DOI: 10.3390/v13091754] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/26/2021] [Accepted: 08/31/2021] [Indexed: 01/11/2023] Open
Abstract
Wild-type or engineered bacteriophages have been reported as therapeutic agents in the treatment of several types of diseases, including cancer. They might be used either as naked phages or as carriers of antitumor molecules. Here, we evaluate the role of bacteriophages M13 and T4 in modulating the expression of genes related to cell adhesion, growth, and survival in the androgen-responsive LNCaP prostatic adenocarcinoma-derived epithelial cell line. LNCaP cells were exposed to either bacteriophage M13 or T4 at a concentration of 1 × 105 pfu/mL, 1 × 106 pfu/mL, and 1 × 107 pfu/mL for 24, 48, and 72 h. After exposure, cells were processed for general morphology, cell viability assay, and gene expression analyses. Neither M13 nor T4 exposure altered cellular morphology, but both decreased the MTT reduction capacity of LNCaP cells at different times of treatment. In addition, genes AKT, ITGA5, ITGB1, ITGB3, ITGB5, MAPK3, and PI3K were significantly up-regulated, whilst the genes AR, HSPB1, ITGAV, and PGC1A were down-regulated. Our results show that bacteriophage M13 and T4 interact with LNCaP cells and effectively promote gene expression changes related to anchorage-dependent survival and androgen signaling. In conclusion, phage therapy may increase the response of PCa treatment with PI3K/AKT pathway inhibitors.
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Affiliation(s)
- Swapnil Ganesh Sanmukh
- Laboratory of Extracellular Matrix Biology, Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Sao Paulo State University (UNESP), Botucatu 18618-689, SP, Brazil; (S.G.S.); (N.J.d.S.); (C.N.B.); (M.S.C.); (F.K.D.)
| | - Nilton José dos Santos
- Laboratory of Extracellular Matrix Biology, Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Sao Paulo State University (UNESP), Botucatu 18618-689, SP, Brazil; (S.G.S.); (N.J.d.S.); (C.N.B.); (M.S.C.); (F.K.D.)
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas 13083-970, SP, Brazil;
| | - Caroline Nascimento Barquilha
- Laboratory of Extracellular Matrix Biology, Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Sao Paulo State University (UNESP), Botucatu 18618-689, SP, Brazil; (S.G.S.); (N.J.d.S.); (C.N.B.); (M.S.C.); (F.K.D.)
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas 13083-970, SP, Brazil;
| | - Maira Smaniotto Cucielo
- Laboratory of Extracellular Matrix Biology, Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Sao Paulo State University (UNESP), Botucatu 18618-689, SP, Brazil; (S.G.S.); (N.J.d.S.); (C.N.B.); (M.S.C.); (F.K.D.)
| | - Márcio de Carvalho
- Department of Surgery and Orthopedics, Faculty of Medicine, Sao Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (M.d.C.); (P.P.d.R.)
| | - Patricia Pintor dos Reis
- Department of Surgery and Orthopedics, Faculty of Medicine, Sao Paulo State University (UNESP), Botucatu 18618-687, SP, Brazil; (M.d.C.); (P.P.d.R.)
| | - Flávia Karina Delella
- Laboratory of Extracellular Matrix Biology, Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Sao Paulo State University (UNESP), Botucatu 18618-689, SP, Brazil; (S.G.S.); (N.J.d.S.); (C.N.B.); (M.S.C.); (F.K.D.)
| | - Hernandes F. Carvalho
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas 13083-970, SP, Brazil;
| | - Sérgio Luis Felisbino
- Laboratory of Extracellular Matrix Biology, Department of Structural and Functional Biology, Institute of Biosciences of Botucatu, Sao Paulo State University (UNESP), Botucatu 18618-689, SP, Brazil; (S.G.S.); (N.J.d.S.); (C.N.B.); (M.S.C.); (F.K.D.)
- Correspondence:
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19
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Śliwka P, Ochocka M, Skaradzińska A. Applications of bacteriophages against intracellular bacteria. Crit Rev Microbiol 2021; 48:222-239. [PMID: 34428105 DOI: 10.1080/1040841x.2021.1960481] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Infectious diseases pose a significant threat to both human and animal populations. Intracellular bacteria are a group of pathogens that invade and survive within the interior of eukaryotic cells, which in turn protect them from antibacterial drugs and the host immune system. Limited penetration of antibacterials into host cells results in insufficient bacterial clearance and treatment failure. Bacteriophages have, over the decades, been proved to play an important role in combating bacterial infections (phage therapy), making them an important alternative to classical antibiotic strategies today. Phages have been found to be effective at killing various species of extracellular bacteria, but little is still known about how phages control intracellular infections. With advances in phage genomics and mechanisms of delivery and cell uptake, the development of phage-based antibacterial strategies to address the treatment of intracellular bacteria has general potential. In this review, we present the current state of knowledge regarding the application of bacteriophages against intracellular bacteria. We cover phage deployment against the most common intracellular pathogens with special attention to therapeutic and preventive strategies.
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Affiliation(s)
- Paulina Śliwka
- Department of Biotechnology and Food Microbiology, Faculty of Biotechnology and Food Science, Wrocław University of Environmental and Life Sciences, Wrocław, Poland
| | - Marta Ochocka
- Department of Biotechnology and Food Microbiology, Faculty of Biotechnology and Food Science, Wrocław University of Environmental and Life Sciences, Wrocław, Poland
| | - Aneta Skaradzińska
- Department of Biotechnology and Food Microbiology, Faculty of Biotechnology and Food Science, Wrocław University of Environmental and Life Sciences, Wrocław, Poland
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20
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Wang Y, Zhang Y, Liu Y, Xu J, Liu Y. Gut-Liver Axis: Liver Sinusoidal Endothelial Cells Function as the Hepatic Barrier in Colitis-Induced Liver Injury. Front Cell Dev Biol 2021; 9:702890. [PMID: 34336855 PMCID: PMC8322652 DOI: 10.3389/fcell.2021.702890] [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: 05/04/2021] [Accepted: 06/22/2021] [Indexed: 12/12/2022] Open
Abstract
Background Based on the gut–liver axis theory, a leaky gut can aggravate liver injury. However, clinical studies suggest that although gut mucosa damage is commonly observed in inflammatory bowel disease (IBD), it seldom leads to severe liver injury. We hypothesize that there is a hepatic barrier in the gut–liver axis, which protects the liver against gut-derived invasive factors. Methods Colitis was induced by dextran sulfate sodium (DSS) in eight different liver injury models in Sprague–Dawley rats. Liver sinusoidal endothelial cell (LSEC) injury was evaluated by a scanning and transmission electron microscope. Neutrophils were depleted by injection of anti-rat polymorphonuclear serum. Two pneumonia models were also induced to investigate the mechanism of neutrophil recruitment and activation. LSECs isolated from rat liver were used to investigate the effect on neutrophil recruitment and activation. Results Among eight liver injury models, DSS colitis had no effect on liver injury in three models with normal LSECs. In the other five models with LSEC rupture, liver injury was significantly exacerbated by colitis, and increased hepatic neutrophil accumulation was observed. When neutrophils were depleted, colitis-induced liver injury was significantly attenuated. In pneumonia, liver injury, and colitis models, the level of CXCL1 correlated with the recruitment of neutrophils in different tissues, while DSS colitis and LSEC injury synergistically contributed to increased CXCL1 expression in the liver. In colitis-induced liver injury, neutrophils were activated in the liver. Injured LSECs showed both structural and functional changes, with significantly increased expression of CXCL1 and TNF-α under the stimulation of lipopolysaccharide (LPS). The combination of gut-derived LPS and LSEC-derived TNF-α led to the activation of neutrophils, characterized by enhanced production of reactive oxygen species, pro-inflammatory cytokines, and the formation of neutrophil extracellular traps. Conclusion LSECs constitute a vitally important barrier in the gut–liver axis, defending the liver against colitis-induced injury. When LSECs are damaged, they can turn into a pro-inflammatory pattern under the stimulation of LPS. LSEC injury and colitis-derived LPS synergistically contribute to the recruitment and activation of hepatic neutrophils. Neutrophils play a pivotal role as a downstream effector in colitis-induced liver injury.
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Affiliation(s)
- Yang Wang
- Department of Gastroenterology, Peking University People's Hospital, Beijing, China.,Clinical Center of Immune-Mediated Digestive Diseases, Peking University People's Hospital, Beijing, China
| | - Yifan Zhang
- Department of Gastroenterology, Peking University People's Hospital, Beijing, China.,Clinical Center of Immune-Mediated Digestive Diseases, Peking University People's Hospital, Beijing, China
| | - Yun Liu
- Department of Gastroenterology, Peking University People's Hospital, Beijing, China.,Clinical Center of Immune-Mediated Digestive Diseases, Peking University People's Hospital, Beijing, China
| | - Jun Xu
- Department of Gastroenterology, Peking University People's Hospital, Beijing, China.,Clinical Center of Immune-Mediated Digestive Diseases, Peking University People's Hospital, Beijing, China.,Institute of Clinical Molecular Biology & Central Laboratory, Peking University People's Hospital, Beijing, China
| | - Yulan Liu
- Department of Gastroenterology, Peking University People's Hospital, Beijing, China.,Clinical Center of Immune-Mediated Digestive Diseases, Peking University People's Hospital, Beijing, China
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21
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Trusiak M. Fringe analysis: single-shot or two-frames? Quantitative phase imaging answers. OPTICS EXPRESS 2021; 29:18192-18211. [PMID: 34154081 DOI: 10.1364/oe.423336] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 04/28/2021] [Indexed: 06/13/2023]
Abstract
Conditions of the digital recording of the fringe pattern determine the phase reconstruction procedure, which in turn directly shapes the final accuracy and throughput of the full-field (non-scanning) optical measurement technique and defines the system capabilities. In this way, the fringe pattern analysis plays a crucial role in the ubiquitous optical measurements and thus is under constant development focused on high temporal/spatial resolution. It is especially valuable in the quantitative phase imaging technology, which emerged in the high-contrast label-free biomedical microscopy. In this paper, I apply recently blossomed two-frame phase-shifting techniques to the QPI and merge them with advanced adaptive interferogram pre-filtering algorithms. Next, I comprehensively test such frameworks against classical and adaptive single-shot methods applied for phase reconstruction in dynamic QPI enabling highest phase time-space-bandwidth product. The presented study systematically tackles important question: what is the gain, if any, in QPI realized by recording two phase-shifted interferograms? Counterintuitively, the results show that single-shot demodulation exhibited higher phase reconstruction accuracy than two-frame phase-shifting methods in low and medium interferogram signal-to-noise ratio regimes. Thus, the single-shot approach is promoted due to not only high temporal resolution but also larger phase-information throughput. Additionally, in the majority of scenarios, the best option is to shift the paradigm and employ two-frame pre-filtering rather than two-frame phase retrieval. Experimental fringe analysis in QPI of LSEC/RWPE cell lines successfully corroborated all novel numerical findings. Hence, the presented numerical-experimental research advances the important field of fringe analysis solutions for optical full-field measurement methods with widespread bio-engineering applications.
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22
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Abstract
Liver sinusoidal endothelial cells (LSECs) form the wall of the hepatic sinusoids. Unlike other capillaries, they lack an organized basement membrane and have cytoplasm that is penetrated by open fenestrae, making the hepatic microvascular endothelium discontinuous. LSECs have essential roles in the maintenance of hepatic homeostasis, including regulation of the vascular tone, inflammation and thrombosis, and they are essential for control of the hepatic immune response. On a background of acute or chronic liver injury, LSECs modify their phenotype and negatively affect neighbouring cells and liver disease pathophysiology. This Review describes the main functions and phenotypic dysregulations of LSECs in liver diseases, specifically in the context of acute injury (ischaemia-reperfusion injury, drug-induced liver injury and bacterial and viral infection), chronic liver disease (metabolism-associated liver disease, alcoholic steatohepatitis and chronic hepatotoxic injury) and hepatocellular carcinoma, and provides a comprehensive update of the role of LSECs as therapeutic targets for liver disease. Finally, we discuss the open questions in the field of LSEC pathobiology and future avenues of research.
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23
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Yang M, Zhang C. The role of liver sinusoidal endothelial cells in cancer liver metastasis. Am J Cancer Res 2021; 11:1845-1860. [PMID: 34094657 PMCID: PMC8167702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 03/03/2021] [Indexed: 06/12/2023] Open
Abstract
Liver sinusoidal endothelial cells (LSECs) are the gatekeeper cells in the liver, contributing critical roles in liver physiological and pathological changes. Factors such as dietary macronutrients, toxins, and aging impact LSEC fenestration. Defenestration of LSECs changes their phenotype and function. Under liver injury, capillarized LSECs promote hepatic stellate cells (HSCs) activation and fibrogenesis, while decapillarized LSECs protect the activation of HSCs and liver injury. The expression of chemokines, such as CXCL9 and CXCL16, changes and impacts the infiltration of immune cells in the liver during disease progression, including hepatocellular carcinoma (HCC). As the largest solid organ, liver is one of the most favorable organs into where tumor cells metastasize. The increased interaction and adhesion of circulating tumor cells (CTCs) with LSECs in the local microenvironment and LSEC-induced tolerance of immunity promote cancer liver metastasis. Several strategies can be applied to target LSEC to modulate their function to prevent cancer liver metastasis, including gut microbiota modulation, microRNA therapy, and medical treatment. Delivery of different treatment agents with nanoparticles may promote precise target treatment. Overall, targeting LSECs is a potential strategy for treatment of early liver diseases and prevention of cancer liver metastasis.
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Affiliation(s)
- Ming Yang
- Department of Surgery, University of MissouriColumbia, Missouri, USA
| | - Chunye Zhang
- Department of Veterinary Pathobiology, University of MissouriColumbia, Missouri, USA
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24
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Pellico J, Gawne PJ, T M de Rosales R. Radiolabelling of nanomaterials for medical imaging and therapy. Chem Soc Rev 2021; 50:3355-3423. [PMID: 33491714 DOI: 10.1039/d0cs00384k] [Citation(s) in RCA: 112] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Nanomaterials offer unique physical, chemical and biological properties of interest for medical imaging and therapy. Over the last two decades, there has been an increasing effort to translate nanomaterial-based medicinal products (so-called nanomedicines) into clinical practice and, although multiple nanoparticle-based formulations are clinically available, there is still a disparity between the number of pre-clinical products and those that reach clinical approval. To facilitate the efficient clinical translation of nanomedicinal-drugs, it is important to study their whole-body biodistribution and pharmacokinetics from the early stages of their development. Integrating this knowledge with that of their therapeutic profile and/or toxicity should provide a powerful combination to efficiently inform nanomedicine trials and allow early selection of the most promising candidates. In this context, radiolabelling nanomaterials allows whole-body and non-invasive in vivo tracking by the sensitive clinical imaging techniques positron emission tomography (PET), and single photon emission computed tomography (SPECT). Furthermore, certain radionuclides with specific nuclear emissions can elicit therapeutic effects by themselves, leading to radionuclide-based therapy. To ensure robust information during the development of nanomaterials for PET/SPECT imaging and/or radionuclide therapy, selection of the most appropriate radiolabelling method and knowledge of its limitations are critical. Different radiolabelling strategies are available depending on the type of material, the radionuclide and/or the final application. In this review we describe the different radiolabelling strategies currently available, with a critical vision over their advantages and disadvantages. The final aim is to review the most relevant and up-to-date knowledge available in this field, and support the efficient clinical translation of future nanomedicinal products for in vivo imaging and/or therapy.
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Affiliation(s)
- Juan Pellico
- School of Biomedical Engineering & Imaging Sciences, King's College London, St. Thomas' Hospital, London SE1 7EH, UK.
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25
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Górski A, Borysowski J, Miȩdzybrodzki R. Bacteriophage Interactions With Epithelial Cells: Therapeutic Implications. Front Microbiol 2021; 11:631161. [PMID: 33537024 PMCID: PMC7848012 DOI: 10.3389/fmicb.2020.631161] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 12/22/2020] [Indexed: 12/14/2022] Open
Affiliation(s)
- Andrzej Górski
- Bacteriophage Laboratory, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences (HIIET PAS), Wrocław, Poland.,Phage Therapy Unit, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences (HIIET PAS), Wrocław, Poland.,Infant Jesus Hospital, The Medical University of Warsaw, Warsaw, Poland
| | - Jan Borysowski
- Department of Clinical Immunology, Transplantation Institute, Medical University of Warsaw, Warsaw, Poland
| | - Ryszard Miȩdzybrodzki
- Bacteriophage Laboratory, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences (HIIET PAS), Wrocław, Poland.,Phage Therapy Unit, Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences (HIIET PAS), Wrocław, Poland.,Department of Clinical Immunology, Transplantation Institute, Medical University of Warsaw, Warsaw, Poland
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26
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Photonic-chip assisted correlative light and electron microscopy. Commun Biol 2020; 3:739. [PMID: 33288833 PMCID: PMC7721707 DOI: 10.1038/s42003-020-01473-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Accepted: 11/10/2020] [Indexed: 11/23/2022] Open
Abstract
Correlative light and electron microscopy (CLEM) unifies the versatility of light microscopy (LM) with the high resolution of electron microscopy (EM), allowing one to zoom into the complex organization of cells. Here, we introduce photonic chip assisted CLEM, enabling multi-modal total internal reflection fluorescence (TIRF) microscopy over large field of view and high precision localization of the target area of interest within EM. The photonic chips are used as a substrate to hold, to illuminate and to provide landmarking of the sample through specially designed grid-like numbering systems. Using this approach, we demonstrate its applicability for tracking the area of interest, imaging the three-dimensional (3D) structural organization of nano-sized morphological features on liver sinusoidal endothelial cells such as fenestrations (trans-cytoplasmic nanopores), and correlating specific endo-lysosomal compartments with its cargo protein upon endocytosis. Tinguely et al. develop a photonic chip-based correlative light-electron microscopy system to generate co-registered multi-modal total internal reflection fluorescence microscopy (TIRF) and electron microscopy (EM) images of biological samples at nanometer scale.
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27
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Fritschen A, Blaeser A. Biosynthetic, biomimetic, and self-assembled vascularized Organ-on-a-Chip systems. Biomaterials 2020; 268:120556. [PMID: 33310539 DOI: 10.1016/j.biomaterials.2020.120556] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 11/15/2020] [Accepted: 11/18/2020] [Indexed: 02/06/2023]
Abstract
Organ-on-a-Chip (OOC) devices have seen major advances in the last years with respect to biological complexity, physiological composition and biomedical relevance. In this context, integration of vasculature has proven to be a crucial element for long-term culture of thick tissue samples as well as for realistic pharmacokinetic, toxicity and metabolic modelling. With the emergence of digital production technologies and the reinvention of existing tools, a multitude of design approaches for guided angio- and vasculogenesis is available today. The underlying production methods can be categorized into biosynthetic, biomimetic and self-assembled vasculature formation. The diversity and importance of production approaches, vascularization strategies as well as biomaterials and cell sourcing are illustrated in this work. A comprehensive technological review with a strong focus on the challenge of producing physiologically relevant vascular structures is given. Finally, the remaining obstacles and opportunities in the development of vascularized Organ-on-a-Chip platforms for advancing drug development and predictive disease modelling are noted.
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Affiliation(s)
- Anna Fritschen
- Institute for BioMedical Printing Technology, Technical University of Darmstadt, Germany.
| | - Andreas Blaeser
- Institute for BioMedical Printing Technology, Technical University of Darmstadt, Germany; Centre for Synthetic Biology, Technical University of Darmstadt, Germany.
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28
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Bodner K, Melkonian AL, Covert MW. The Enemy of My Enemy: New Insights Regarding Bacteriophage-Mammalian Cell Interactions. Trends Microbiol 2020; 29:528-541. [PMID: 33243546 DOI: 10.1016/j.tim.2020.10.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/19/2020] [Accepted: 10/29/2020] [Indexed: 12/22/2022]
Abstract
Bacteriophages (phages) are the most abundant biological entity in the human body, but until recently the role that phages play in human health was not well characterized. Although phages do not cause infections in human cells, phages can alter the severity of bacterial infections by the dissemination of virulence factors amongst bacterial hosts. Recent studies, made possible with advances in genome engineering and microscopy, have uncovered a novel role for phages in the human body - the ability to modulate the physiology of the mammalian cells that can harbor intracellular bacteria. In this review, we synthesize key results on how phages traverse through mammalian cells - including uptake, distribution, and interaction with intracellular receptors - highlighting how these steps in turn influence host cell killing of bacteria. We discuss the implications of the growing field of phage-mammalian cell interactions for phage therapy.
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Affiliation(s)
- Katie Bodner
- Department of Bioengineering, Stanford University, Stanford, CA, 94305, USA; Allen Discovery Center for Systems Modeling of Infection, Stanford University, Stanford, CA, 94305, USA
| | - Arin L Melkonian
- Department of Bioengineering, Stanford University, Stanford, CA, 94305, USA; Allen Discovery Center for Systems Modeling of Infection, Stanford University, Stanford, CA, 94305, USA
| | - Markus W Covert
- Department of Bioengineering, Stanford University, Stanford, CA, 94305, USA; Allen Discovery Center for Systems Modeling of Infection, Stanford University, Stanford, CA, 94305, USA.
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29
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Wilkinson AL, Qurashi M, Shetty S. The Role of Sinusoidal Endothelial Cells in the Axis of Inflammation and Cancer Within the Liver. Front Physiol 2020; 11:990. [PMID: 32982772 PMCID: PMC7485256 DOI: 10.3389/fphys.2020.00990] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 07/20/2020] [Indexed: 12/12/2022] Open
Abstract
Liver sinusoidal endothelial cells (LSEC) form a unique barrier between the liver sinusoids and the underlying parenchyma, and thus play a crucial role in maintaining metabolic and immune homeostasis, as well as actively contributing to disease pathophysiology. Whilst their endocytic and scavenging function is integral for nutrient exchange and clearance of waste products, their capillarisation and dysfunction precedes fibrogenesis. Furthermore, their ability to promote immune tolerance and recruit distinct immunosuppressive leukocyte subsets can allow persistence of chronic viral infections and facilitate tumour development. In this review, we present the immunological and barrier functions of LSEC, along with their role in orchestrating fibrotic processes which precede tumourigenesis. We also summarise the role of LSEC in modulating the tumour microenvironment, and promoting development of a pre-metastatic niche, which can drive formation of secondary liver tumours. Finally, we summarise closely inter-linked disease pathways which collectively perpetuate pathogenesis, highlighting LSEC as novel targets for therapeutic intervention.
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Affiliation(s)
| | | | - Shishir Shetty
- Centre for Liver and Gastrointestinal Research, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
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30
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Grosse L, Wagner N, Emelyanov A, Molina C, Lacas-Gervais S, Wagner KD, Bulavin DV. Defined p16 High Senescent Cell Types Are Indispensable for Mouse Healthspan. Cell Metab 2020; 32:87-99.e6. [PMID: 32485135 DOI: 10.1016/j.cmet.2020.05.002] [Citation(s) in RCA: 223] [Impact Index Per Article: 55.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 02/13/2020] [Accepted: 05/04/2020] [Indexed: 12/29/2022]
Abstract
The accumulation of senescent cells can drive many age-associated phenotypes and pathologies. Consequently, it has been proposed that removing senescent cells might extend lifespan. Here, we generated two knockin mouse models targeting the best-characterized marker of senescence, p16Ink4a. Using a genetic lineage tracing approach, we found that age-induced p16High senescence is a slow process that manifests around 10-12 months of age. The majority of p16High cells were vascular endothelial cells mostly in liver sinusoids (LSECs), and to lesser extent macrophages and adipocytes. In turn, continuous or acute elimination of p16High senescent cells disrupted blood-tissue barriers with subsequent liver and perivascular tissue fibrosis and health deterioration. Our data show that senescent LSECs are not replaced after removal and have important structural and functional roles in the aging organism. In turn, delaying senescence or replacement of senescent LSECs could represent a powerful tool in slowing down aging.
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Affiliation(s)
- Laurent Grosse
- Institute for Research on Cancer and Aging of Nice (IRCAN), INSERM, Université Côte d'Azur, Centre National de la Recherche Scientifique (CNRS), Nice, France
| | - Nicole Wagner
- Université Côte d'Azur, INSERM, Centre National de la Recherche Scientifique (CNRS), Institute of Biology Valrose, Nice, France
| | - Alexander Emelyanov
- Institute for Research on Cancer and Aging of Nice (IRCAN), INSERM, Université Côte d'Azur, Centre National de la Recherche Scientifique (CNRS), Nice, France
| | - Clement Molina
- Institute for Research on Cancer and Aging of Nice (IRCAN), INSERM, Université Côte d'Azur, Centre National de la Recherche Scientifique (CNRS), Nice, France
| | - Sandra Lacas-Gervais
- Electron Microscopy Facility, Centre Commun de Microscopie Appliquée, CCMA, Université Côte d'Azur, UCA, Nice, France
| | - Kay-Dietrich Wagner
- Université Côte d'Azur, INSERM, Centre National de la Recherche Scientifique (CNRS), Institute of Biology Valrose, Nice, France
| | - Dmitry V Bulavin
- Institute for Research on Cancer and Aging of Nice (IRCAN), INSERM, Université Côte d'Azur, Centre National de la Recherche Scientifique (CNRS), Nice, France.
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