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Miao J, Li L, Shaheen N, Wei J, Jacko AM, Sundd P, Taleb SJ, Mallampalli RK, Zhao Y, Zhao J. The deubiquitinase USP40 preserves endothelial integrity by targeting the heat shock protein HSP90β. Exp Mol Med 2024; 56:395-407. [PMID: 38307937 PMCID: PMC10907362 DOI: 10.1038/s12276-024-01160-y] [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: 04/26/2023] [Revised: 10/16/2023] [Accepted: 11/09/2023] [Indexed: 02/04/2024] Open
Abstract
Endothelial cell (EC) barrier disruption and inflammation are the pathological hallmarks of vascular disorders and acute infectious diseases and related conditions, including the coronavirus disease 2019 (COVID-19) and sepsis. Ubiquitination plays a critical role in regulating the stability, intracellular trafficking, and enzymatic activity of proteins and is reversed by deubiquitinating enzymes (DUBs). The role of DUBs in endothelial biology is largely unknown. In this study, we report that USP40, a poorly characterized DUB, prevents EC barrier disruption through reductions in the activation of RhoA and phosphorylation of myosin light chain (MLC) and cofilin. Furthermore, USP40 reduces EC inflammation through the attenuation of NF-ĸB activation, ICAM1 expression, and leukocyte-EC adhesion. We further show that USP40 activity and expression are reduced in response to endotoxin challenge. Global depletion of USP40 and EC-targeted USP40 depletion in mice exacerbated experimental lung injury, whereas lentiviral gene transfer of USP40 protected against endotoxin-induced lung injury. Using an unbiased approach, we discovered that the protective effect of USP40 occurs through the targeting of heat shock protein 90β (HSP90β) for its deubiquitination and inactivation. Together, these data reveal a critical protective role of USP40 in vascular injury, identifying a unique mechanistic pathway that profoundly impacts endothelial function via DUBs.
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Affiliation(s)
- Jiaxing Miao
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, Columbus, OH, USA
| | - Lian Li
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, Columbus, OH, USA
| | - Nargis Shaheen
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, Columbus, OH, USA
| | - Jianxin Wei
- Department of Medicine, The University of Pittsburgh, Pittsburgh, PA, USA
| | - Anastasia M Jacko
- Department of Medicine, The University of Pittsburgh, Pittsburgh, PA, USA
| | - Prithu Sundd
- Department of Medicine, The University of Pittsburgh, Pittsburgh, PA, USA
| | - Sarah J Taleb
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, Columbus, OH, USA
| | - Rama K Mallampalli
- Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Yutong Zhao
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, Columbus, OH, USA.
- Department of Internal Medicine, The Ohio State University, Columbus, OH, USA.
| | - Jing Zhao
- Department of Physiology and Cell Biology, Dorothy M. Davis Heart and Lung Research Institute, Columbus, OH, USA.
- Department of Internal Medicine, The Ohio State University, Columbus, OH, USA.
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2
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Ritter AC, Ricart Arbona RJ, Livingston RS, Monette S, Lipman NS. Effects of Mouse Kidney Parvovirus on Pharmacokinetics of Chemotherapeutics and the Adenine Model of Chronic Kidney Disease. Comp Med 2023; 73:153-172. [PMID: 36973002 PMCID: PMC10162380 DOI: 10.30802/aalas-cm-22-000084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 10/21/2022] [Accepted: 12/07/2022] [Indexed: 03/29/2023]
Abstract
Mouse kidney parvovirus (MKPV) causes inclusion body nephropathy in severely immunocompromised mice and renal interstitial inflammation in immunocompetent mice. Here we sought to determine the effects of MKPV on pre-clinical murine models that depend on renal function. To assess the effects of MKPV infection on the pharmacokinetics of 2 renally excreted chemotherapeutic agents, methotrexate and lenalidomide, we measured drug concentrations in the blood and urine of MKPV-infected or uninfected immunodeficient NOD.Cg-PrkdcscidIl2rgtm1Wjl/SzJ (NSG) and immunocompetent C57BL/6NCrl (B6) female mice. No differences in plasma pharmacokinetics were observed for lenalidomide. However, the AUC of methotrexate was 1.5-fold higher in uninfected NSG mice compared with infected NSG mice, 1.9-fold higher in infected B6 mice compared with uninfected B6 mice, and 4.3-fold higher in uninfected NSG mice compared with uninfected B6 mice. MKPV infection did not significantly affect the renal clearance of either drug. To assess effects of MKPV infection on the adenine diet model of chronic kidney disease, MKPV-infected and uninfected B6 female mice were fed a 0.2% adenine diet, and clinical and histopathologic features of disease were assessed over 8 wk. MKPV infection did not significantly alter urine chemistry results, hemogram findings, or serum concentrations of BUN, creatinine, or symmetric dimethylarginine. However, infection did influence histologic outcomes. As compared with uninfected mice, MKPV-infected mice had more interstitial lymphoplasmacytic infiltrates after 4 and 8 wk of diet consumption and less interstitial fibrosis at week 8. Macrophage infiltrates and renal tubular injury were similar between in infected and uninfected mice. These findings indicate that MKPV infection had minimal effects on the renal excretion of 2 chemotherapeutics and on serum biomarkers of renal function. However, infection significantly influenced two histologic features of the adenine diet model of chronic renal disease. MKPV-free mice are critically important in studies evaluating renal histology as an experimental outcome.
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Affiliation(s)
- Amanda C Ritter
- Tri-Institutional Training Program in Laboratory Animal Medicine and Science, Memorial Sloan Kettering Cancer Center, Weill Cornell Medicine, and The Rockefeller University, New York, New York
| | - Rodolfo J Ricart Arbona
- Tri-Institutional Training Program in Laboratory Animal Medicine and Science, Memorial Sloan Kettering Cancer Center, Weill Cornell Medicine, and The Rockefeller University, New York, New York
- Center for Comparative Medicine and Pathology, Memorial Sloan Kettering Cancer Center and Weill Cornell Medicine, New York, New York; and
| | | | - Sébastien Monette
- Tri-Institutional Training Program in Laboratory Animal Medicine and Science, Memorial Sloan Kettering Cancer Center, Weill Cornell Medicine, and The Rockefeller University, New York, New York
- Center for Comparative Medicine and Pathology, Memorial Sloan Kettering Cancer Center and Weill Cornell Medicine, New York, New York; and
| | - Neil S Lipman
- Tri-Institutional Training Program in Laboratory Animal Medicine and Science, Memorial Sloan Kettering Cancer Center, Weill Cornell Medicine, and The Rockefeller University, New York, New York
- Center for Comparative Medicine and Pathology, Memorial Sloan Kettering Cancer Center and Weill Cornell Medicine, New York, New York; and
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3
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Lucena-Neto FD, Falcão LFM, Moraes ECDS, David JPF, Vieira-Junior ADS, Silva CC, de Sousa JR, Duarte MIS, Vasconcelos PFDC, Quaresma JAS. Dengue fever ophthalmic manifestations: A review and update. Rev Med Virol 2023; 33:e2422. [PMID: 36658757 DOI: 10.1002/rmv.2422] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 12/23/2022] [Accepted: 01/08/2023] [Indexed: 01/21/2023]
Abstract
Dengue fever, the most common arbovirus disease, affects an estimated 390 million people annually. Dengue virus (DENV) is an RNA virus of the Flaviviridae family with four different serotypes. Dengue haemorrhagic fever is the deadliest form of dengue infection and is characterised by thrombocytopaenia, hypotension, and the possibility of multi-system organ failure. The mechanism hypothesised for DENV viral replication is intrinsic antibody-dependent enhancement, which refers to Fcγ receptor-mediated viral amplification. This hypothesis suggests that the internalisation of DENV through the Fcγ receptor inhibits antiviral genes by suppressing type-1 interferon-mediated antiviral responses. DENV NS1 antibodies can promote the release of various inflammatory mediators in the nuclear transcription factor pathway (NF-κB-dependent), including monocyte chemoattractant protein (MCP)-1, interleukin (IL)-6, and IL-8. As a result, MCP-1 increases ICAM-1 expression and facilitates leukocyte transmigration. In addition, anti-DENV NS1 antibodies induce endothelial cell apoptosis via a nitric oxide-regulated pathway. A chain reaction involving pre-existing DENV heterotypic antibodies and innate immune cells causes dysfunction in complement system activity and contributes to the action of autoantibodies and anti-endothelial cells, resulting in endothelial cell dysfunction, blood-retinal barrier breakdown, haemorrhage, and plasma leakage. A spectrum of ocular diseases associated with DENV infection, ranging from haemorrhagic to inflammatory manifestations, has been reported in the literature. Although rare, ophthalmic manifestations can occur in both the anterior and posterior segments and are usually associated with thrombocytopenia. The most common ocular complication is haemorrhage. However, ophthalmic complications, such as anterior uveitis and vasculitis, suggest an immune-mediated pathogenesis.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Juarez Antônio Simões Quaresma
- State University of Pará, Belém, Pará, Brazil.,Federal University of Pará, Belém, Pará, Brazil.,School of Medicine, São Paulo University, São Paulo, São Paulo, Brazil.,Virology Section, Evandro Chagas Institute, Ananindeua, Pará, Brazil
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4
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miR-142 Targets TIM-1 in Human Endothelial Cells: Potential Implications for Stroke, COVID-19, Zika, Ebola, Dengue, and Other Viral Infections. Int J Mol Sci 2022; 23:ijms231810242. [PMID: 36142146 PMCID: PMC9499484 DOI: 10.3390/ijms231810242] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 08/30/2022] [Accepted: 09/02/2022] [Indexed: 11/30/2022] Open
Abstract
T-cell immunoglobulin and mucin domain 1 (TIM-1) has been recently identified as one of the factors involved in the internalization of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in human cells, in addition to angiotensin-converting enzyme 2 (ACE2), transmembrane serine protease 2 (TMPRSS2), neuropilin-1, and others. We hypothesized that specific microRNAs could target TIM-1, with potential implications for the management of patients suffering from coronavirus disease 2019 (COVID-19). By combining bioinformatic analyses and functional assays, we identified miR-142 as a specific regulator of TIM-1 transcription. Since TIM-1 has been implicated in the regulation of endothelial function at the level of the blood-brain barrier (BBB) and its levels have been shown to be associated with stroke and cerebral ischemia-reperfusion injury, we validated miR-142 as a functional modulator of TIM-1 in human brain microvascular endothelial cells (hBMECs). Taken together, our results indicate that miR-142 targets TIM-1, representing a novel strategy against cerebrovascular disorders, as well as systemic complications of SARS-CoV-2 and other viral infections.
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de Bruin ACM, Spronken MI, Bestebroer TM, Fouchier RAM, Richard M. Reduced Replication of Highly Pathogenic Avian Influenza Virus in Duck Endothelial Cells Compared to Chicken Endothelial Cells Is Associated with Stronger Antiviral Responses. Viruses 2022; 14:v14010165. [PMID: 35062369 PMCID: PMC8779112 DOI: 10.3390/v14010165] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/10/2022] [Accepted: 01/11/2022] [Indexed: 12/11/2022] Open
Abstract
Highly pathogenic avian influenza viruses (HPAIVs) cause fatal systemic infections in chickens, which are associated with endotheliotropism. HPAIV infections in wild birds are generally milder and not endotheliotropic. Here, we aimed to elucidate the species-specific endotheliotropism of HPAIVs using primary chicken and duck aortic endothelial cells (chAEC and dAEC respectively). Viral replication kinetics and host responses were assessed in chAEC and dAEC upon inoculation with HPAIV H5N1 and compared to embryonic fibroblasts. Although dAEC were susceptible to HPAIV upon inoculation at high multiplicity of infection, HPAIV replicated to lower levels in dAEC than chAEC during multi-cycle replication. The susceptibility of duck embryonic endothelial cells to HPAIV was confirmed in embryos. Innate immune responses upon HPAIV inoculation differed between chAEC, dAEC, and embryonic fibroblasts. Expression of the pro-inflammatory cytokine IL8 increased in chicken cells but decreased in dAEC. Contrastingly, the induction of antiviral responses was stronger in dAEC than in chAEC, and chicken and duck fibroblasts. Taken together, these data demonstrate that although duck endothelial cells are permissive to HPAIV infection, they display markedly different innate immune responses than chAEC and embryonic fibroblasts. These differences may contribute to the species-dependent differences in endotheliotropism and consequently HPAIV pathogenesis.
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Prasad M, Leon M, Lerman LO, Lerman A. Viral Endothelial Dysfunction: A Unifying Mechanism for COVID-19. Mayo Clin Proc 2021; 96:3099-3108. [PMID: 34863398 PMCID: PMC8373818 DOI: 10.1016/j.mayocp.2021.06.027] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 05/12/2021] [Accepted: 06/09/2021] [Indexed: 01/08/2023]
Abstract
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a highly transmissible virus with significant global impact, morbidity, and mortality. The SARS-CoV-2 virus may result in widespread organ manifestations including acute respiratory distress syndrome, acute renal failure, thromboembolism, and myocarditis. Virus-induced endothelial injury may cause endothelial activation, increased permeability, inflammation, and immune response and cytokine storm. Endothelial dysfunction is a systemic disorder that is a precursor of atherosclerotic vascular disease that is associated with cardiovascular risk factors and is highly prevalent in patients with atherosclerotic cardiovascular and peripheral disease. Several studies have associated various viral infections including SARS-CoV-2 infection with inflammation, endothelial dysfunction, and subsequent innate immune response and cytokine storm. Noninvasive monitoring of endothelial function and identification of high-risk patients who may require specific therapies may have the potential to improve morbidity and mortality associated with subsequent inflammation, cytokine storm, and multiorgan involvement.
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Affiliation(s)
- Megha Prasad
- Division of Cardiology, Department of Medicine, Columbia University Medical Center, Columbia University, New York City, NY; Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN
| | - Martin Leon
- Division of Cardiology, Department of Medicine, Columbia University Medical Center, Columbia University, New York City, NY
| | - Lilach O Lerman
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN; Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN
| | - Amir Lerman
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN.
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7
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Shakhmatova OO, Komarov AL, Korobkova VV, Titaeva EV, Dobrovolskiy AB, Yarovaya EB, Shuleshova AG, Panchenko EP. Relationship between the D-dimer and von Willebrand factor levels and the development of gastrointestinal bleeding in patients with stable coronary artery disease: data from the registry of long-term antithrombotic therapy REGATTA-1. КАРДИОВАСКУЛЯРНАЯ ТЕРАПИЯ И ПРОФИЛАКТИКА 2021. [DOI: 10.15829/1728-8800-2021-3022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Aim. To study the role of von Willebrand factor (VWF) and D-dimer (DD) as predictors of upper gastrointestinal bleeding (GIB) in patients with stable coronary artery disease (CAD).Material and methods. The study included patients with stable CAD who are members of the prospective registry of long-term antithrombotic therapy (REGATTA-1) (ClinicalTrials.gov Identifier: NCT04347200). The primary endpoints were actionable GIBs (Bleeding Academic Research Consortium type 2-5). Cut-off points for DD and VWF were determined by ROC analysis. The predictive significance of an increase in VWF and DD was assessed by the logistic regression.Results. The study included 408 patients (men, 77,5%; mean age, 61,3±10,8 years). The median follow-up period was 2,5 [1,1-14,7] years. DD was determined in all patients, including 36 patients with GIB, while VWF — in 169 patients (28 patients with GIB). An increase in DD >928 ng/ml was an independent predictor of GIB, including taking into account clinical risk factors (odds ratio (OR), 3,26 [95% confidence interval (CI), 1,43-7,42] (p=0,0047), or the previously developed REGATTA scale score (OR, 3,73, 95% CI: 1,65-8,43 (p=0,0015)). VWF >105% was also an independent predictor of GIB (OR, 14,02; 95% CI: 1,41-139,42 (p=0,023)); in the REGATTA scale model — OR 11,3, 95% CI: 1,43-88,83 (p=0,021). The increase in both markers was most unfavorable, since the proportion of those with GIB was 41,4%, while among patients with normal DD and increased VWF — 14,9%, and with low values of both markers — 0%. OR of GIB in patients with an increase in both markers was 4,1 (95% CI: 1,6-10,3 (p=0,003)).Conclusion. In patients with stable CAD, an increase in VWF and DD was associated with an increase in GIB risk regardless of the presence of clinical risk factors.
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Affiliation(s)
| | | | | | | | | | - E. B. Yarovaya
- National Medical Research Center of Cardiology;
Lomonosov Moscow State University
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8
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Bajrai LH, Sohrab SS, Alandijany TA, Mobashir M, Reyaz M, Kamal MA, Firoz A, Parveen S, Azhar EI. Gene Expression Profiling of Early Acute Febrile Stage of Dengue Infection and Its Comparative Analysis With Streptococcus pneumoniae Infection. Front Cell Infect Microbiol 2021; 11:707905. [PMID: 34778101 PMCID: PMC8581568 DOI: 10.3389/fcimb.2021.707905] [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: 05/10/2021] [Accepted: 09/30/2021] [Indexed: 02/05/2023] Open
Abstract
Infectious diseases are the disorders caused by organisms such as bacteria, viruses, fungi, or parasites. Although many of them are permentantly hazardous, a number of them live in and on our bodies and they are normally harmless or even helpful. Under certain circumstances, some organisms may cause diseases and these infectious diseases may be passed directly from person to person or via intermediate vectors including insects and other animals. Dengue virus and Streptococcus pneumoniae are the critical and common sources of infectious diseases. So, it is critical to understand the gene expression profiling and their inferred functions in comparison to the normal and virus infected conditions. Here, we have analyzed the gene expression profiling for dengue hemorrhagic fever, dengue fever, and normal human dataset. Similar to it, streptococcus pneumoniae infectious data were analyzed and both the outcomes were compared. Our study leads to the conclusion that the dengue hemorrhagic fever arises in result to potential change in the gene expression pattern, and the inferred functions obviously belong to the immune system, but also there are some additional potential pathways which are critical signaling pathways. In the case of pneumoniae infection, 19 pathways were enriched, almost all these pathways are associated with the immune system and 17 of the enriched pathways were common with dengue infection except platelet activation and antigen processing and presentation. In terms of the comparative study between dengue virus and Streptococcus pneumoniae infection, we conclude that cell adhesion molecules (CAMs), MAPK signaling pathway, natural killer cell mediated cytotoxicity, regulation of actin cytoskeleton, and cytokine-cytokine receptor interaction are commonly enriched in all the three cases of dengue infection and Streptococcus pneumoniae infection, focal adhesion was enriched between classical dengue fever — dengue hemorrhagic fever, dengue hemorrhagic fever—normal samples, and SP, and antigen processing and presentation and Leukocyte transendothelial migration were enriched in classical dengue fever —normal samples, dengue hemorrhagic fever—normal samples, and Streptococcus pneumoniae infection.
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Affiliation(s)
- Leena H Bajrai
- Special Infectious Agents Unit - BSL-3, King Fahd Medical Research Centre, King Abdulaziz University, Jeddah, Saudi Arabia.,Biochemistry Department, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Sayed S Sohrab
- Special Infectious Agents Unit - BSL-3, King Fahd Medical Research Centre, King Abdulaziz University, Jeddah, Saudi Arabia.,Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Thamir A Alandijany
- Special Infectious Agents Unit - BSL-3, King Fahd Medical Research Centre, King Abdulaziz University, Jeddah, Saudi Arabia.,Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohammad Mobashir
- SciLifeLab, Department of Oncology and Pathology Karolinska Institutet, Stockholm, Sweden
| | - Muddassir Reyaz
- Department of Healthcare Management, Jamia Hamdard Hamdard Nagar, New Delhi, India
| | - Mohammad A Kamal
- West China School of Nursing/Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China.,King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia.,Enzymoics, Novel Global Community Educational Foundation, Hebersham, NSW, Australia
| | - Ahmad Firoz
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia
| | - Shabana Parveen
- Department of Bioscience, Jamia Millia Islamia, New Delhi, India
| | - Esam I Azhar
- Special Infectious Agents Unit - BSL-3, King Fahd Medical Research Centre, King Abdulaziz University, Jeddah, Saudi Arabia.,Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
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Abate V, Casoria A, Rendina D, Muscariello R, Nuzzo V, Vargas M, Servillo G, Venetucci P, Conca P, Tufano A, Galletti F, Di Minno G. Spontaneous Muscle Hematoma in Patients with COVID-19: A Systematic Literature Review with Description of an Additional Case Series. Semin Thromb Hemost 2021; 48:100-108. [PMID: 34388842 DOI: 10.1055/s-0041-1732370] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Coagulation abnormalities, thrombosis, and endothelial dysfunction have been described in COVID-19 patients. Spontaneous muscle hematoma (SMH) is a rare complication in COVID-19. The aims of this study are to: (1) perform a systematic review of the literature to better define the clinical SMH characteristics, (2) describe the prevalence and the clinical characteristics of SMH in COVID-19 patients referring to a Department of Internal Medicine (IM) (Federico II University of Naples), a Department of Sub-Intensive Care Medicine (SIM) (Ospedale Del Mare), and a Department of Intensive Care Unit (ICU) (Federico II University). The systematic review was performed according to PRISMA criteria. The local prevalence of SMH in COVID-19 was evaluated retrospectively. The medical records of all COVID-19 patients referring to IM and ICU from March 11th, 2020, to February 28th, 2021 were examined for SMH occurrence. In our retrospective analysis, we describe 10 cases of COVID-19 patients with SMH not previously reported in literature, with a prevalence of 2.1%. The literature review, inclusive of our case series, describes a total of 50 SMHs in COVID-19 patients (57.4% males; mean age 68.8 ± 10.0 years). The SMH sites were ileo-psoas, vastus intermedius, gluteus, sternocleidomastoid, and pectoralis major muscles. Males developed SMH earlier than females (9.5 ± 7.8 vs. 17.1 ± 9.7 days). Ileo-psoas hematoma was more frequent in males (69.2 vs. 30.8%), while pectoralis major hematoma occurred only in females. The in-hospital mortality rate of SMH in COVID-19 patients was 32.4%. SMH is a rare but severe complication in COVID-19 hospitalized patients, associated with high mortality. A gender difference seems to be present in the clinical presentation of the disorder.
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Affiliation(s)
- Veronica Abate
- Department of Clinical Medicine and Surgery, "Federico II" University Hospital, Naples, Italy
| | - Aniello Casoria
- Department of Clinical Medicine and Surgery, "Federico II" University Hospital, Naples, Italy
| | - Domenico Rendina
- Department of Clinical Medicine and Surgery, "Federico II" University Hospital, Naples, Italy
| | | | - Vincenzo Nuzzo
- Endocrinology and Nutrition Department, Ospedale del Mare, Naples, Italy
| | - Maria Vargas
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II," Naples, Italy
| | - Giuseppe Servillo
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II," Naples, Italy
| | - Pietro Venetucci
- Department of Morphological and Functional Diagnostics, Radiotherapy, Forensic Medicine, University of Naples "Federico II," Naples, Italy
| | - Paolo Conca
- Department of Clinical Medicine and Surgery, "Federico II" University Hospital, Naples, Italy
| | - Antonella Tufano
- Department of Clinical Medicine and Surgery, "Federico II" University Hospital, Naples, Italy
| | - Ferruccio Galletti
- Department of Clinical Medicine and Surgery, "Federico II" University Hospital, Naples, Italy
| | - Giovanni Di Minno
- Department of Clinical Medicine and Surgery, "Federico II" University Hospital, Naples, Italy
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10
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Hantavirus infection-induced B cell activation elevates free light chains levels in circulation. PLoS Pathog 2021; 17:e1009843. [PMID: 34379707 PMCID: PMC8382192 DOI: 10.1371/journal.ppat.1009843] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 08/23/2021] [Accepted: 07/27/2021] [Indexed: 12/17/2022] Open
Abstract
In humans, orthohantaviruses can cause hemorrhagic fever with renal syndrome (HFRS) or hantavirus pulmonary syndrome (HPS). An earlier study reported that acute Andes virus HPS caused a massive and transient elevation in the number of circulating plasmablasts with specificity towards both viral and host antigens suggestive of polyclonal B cell activation. Immunoglobulins (Igs), produced by different B cell populations, comprise heavy and light chains; however, a certain amount of free light chains (FLCs) is constantly present in serum. Upregulation of FLCs, especially clonal species, associates with renal pathogenesis by fibril or deposit formations affecting the glomeruli, induction of epithelial cell disorders, or cast formation in the tubular network. We report that acute orthohantavirus infection increases the level of Ig FLCs in serum of both HFRS and HPS patients, and that the increase correlates with the severity of acute kidney injury in HFRS. The fact that the kappa to lambda FLC ratio in the sera of HFRS and HPS patients remained within the normal range suggests polyclonal B cell activation rather than proliferation of a single B cell clone. HFRS patients demonstrated increased urinary excretion of FLCs, and we found plasma cell infiltration in archival patient kidney biopsies that we speculate to contribute to the observed FLC excreta. Analysis of hospitalized HFRS patients’ peripheral blood mononuclear cells showed elevated plasmablast levels, a fraction of which stained positive for Puumala virus antigen. Furthermore, B cells isolated from healthy donors were susceptible to Puumala virus in vitro, and the virus infection induced increased production of Igs and FLCs. The findings propose that hantaviruses directly activate B cells, and that the ensuing intense production of polyclonal Igs and FLCs may contribute to acute hantavirus infection-associated pathological findings. Orthohantaviruses are globally spread zoonotic pathogens, which can cause hemorrhagic fever with renal syndrome (HFRS) and hantavirus pulmonary syndrome (HPS) with significant burden to human health. The pathogenesis mechanisms of orthohantavirus-caused diseases are not known in detail; however, excessive immune response towards the virus with concomitant pathological effects against host tissues appears to be a contributing factor. Here we report an increase of free immunoglobulin (Ig) light chains (FLCs), components required to make complete Ig molecules, in blood of acute HFRS and HPS. Samples collected during acute HFRS demonstrated increased FLCs levels in the urine and blood of patients hospitalized due the disease. Furthermore, the FLC levels positively correlated with markers of acute kidney injury. In addition, our results show that orthohantaviruses can infect and activate B cells to produce FLCs as well as whole Igs, which provides a mechanistic explanation of the increased FLC levels in patients. Taken together, our results suggest that aberrant antibody responses might play a role in the pathogenesis of orthohantavirus infections.
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11
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Binding of the Andes Virus Nucleocapsid Protein to RhoGDI Induces the Release and Activation of the Permeability Factor RhoA. J Virol 2021; 95:e0039621. [PMID: 34133221 DOI: 10.1128/jvi.00396-21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Andes virus (ANDV) nonlytically infects pulmonary microvascular endothelial cells (PMECs), causing acute pulmonary edema termed hantavirus pulmonary syndrome (HPS). In HPS patients, virtually every PMEC is infected; however, the mechanism by which ANDV induces vascular permeability and edema remains to be resolved. The ANDV nucleocapsid (N) protein activates the GTPase RhoA in primary human PMECs, causing VE-cadherin internalization from adherens junctions and PMEC permeability. We found that ANDV N protein failed to bind RhoA but coprecipitates RhoGDI (Rho GDP dissociation inhibitor), the primary RhoA repressor that normally sequesters RhoA in an inactive state. ANDV N protein selectively binds the RhoGDI C terminus (residues 69 to 204) but fails to form ternary complexes with RhoA or inhibit RhoA binding to the RhoGDI N terminus (residues 1 to 69). However, we found that ANDV N protein uniquely inhibits RhoA binding to an S34D phosphomimetic RhoGDI mutant. Hypoxia and vascular endothelial growth factor (VEGF) increase RhoA-induced PMEC permeability by directing protein kinase Cα (PKCα) phosphorylation of S34 on RhoGDI. Collectively, ANDV N protein alone activates RhoA by sequestering and reducing RhoGDI available to suppress RhoA. In response to hypoxia and VEGF-activated PKCα, ANDV N protein additionally directs the release of RhoA from S34-phosphorylated RhoGDI, synergistically activating RhoA and PMEC permeability. These findings reveal a fundamental edemagenic mechanism that permits ANDV to amplify PMEC permeability in hypoxic HPS patients. Our results rationalize therapeutically targeting PKCα and opposing protein kinase A (PKA) pathways that control RhoGDI phosphorylation as a means of resolving ANDV-induced capillary permeability, edema, and HPS. IMPORTANCE HPS-causing hantaviruses infect pulmonary endothelial cells (ECs), causing vascular leakage, pulmonary edema, and a 35% fatal acute respiratory distress syndrome (ARDS). Hantaviruses do not lyse or disrupt the endothelium but dysregulate normal EC barrier functions and increase hypoxia-directed permeability. Our findings reveal a novel underlying mechanism of EC permeability resulting from ANDV N protein binding to RhoGDI, a regulatory protein that normally maintains edemagenic RhoA in an inactive state and inhibits EC permeability. ANDV N sequesters RhoGDI and enhances the release of RhoA from S34-phosphorylated RhoGDI. These findings indicate that ANDV N induces the release of RhoA from PKC-phosphorylated RhoGDI, synergistically enhancing hypoxia-directed RhoA activation and PMEC permeability. Our data suggest inhibiting PKC and activating PKA phosphorylation of RhoGDI as mechanisms of inhibiting ANDV-directed EC permeability and therapeutically restricting edema in HPS patients. These findings may be broadly applicable to other causes of ARDS.
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12
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Coagulopathy in Acute Puumala Hantavirus Infection. Viruses 2021; 13:v13081553. [PMID: 34452419 PMCID: PMC8402851 DOI: 10.3390/v13081553] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 07/27/2021] [Accepted: 08/02/2021] [Indexed: 12/26/2022] Open
Abstract
Puumala hantavirus (PUUV) causes a hemorrhagic fever with renal syndrome (HFRS), also called nephropathia epidemica (NE), which is mainly endemic in Europe and Russia. The clinical features include a low platelet count, altered coagulation, endothelial activation, and acute kidney injury (AKI). Multiple connections between coagulation pathways and inflammatory mediators, as well as complement and kallikrein–kinin systems, have been reported. The bleeding symptoms are usually mild. PUUV-infected patients also have an increased risk for disseminated intravascular coagulation (DIC) and thrombosis.
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13
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Richardson E, García-Bernal D, Calabretta E, Jara R, Palomo M, Baron RM, Yanik G, Fareed J, Vlodavsky I, Iacobelli M, Díaz-Ricart M, Richardson PG, Carlo-Stella C, Moraleda JM. Defibrotide: potential for treating endothelial dysfunction related to viral and post-infectious syndromes. Expert Opin Ther Targets 2021; 25:423-433. [PMID: 34167431 DOI: 10.1080/14728222.2021.1944101] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Defibrotide (DF) is a polyribonucleotide with antithrombotic, pro-fibrinolytic, and anti-inflammatory effects on endothelium. These effects and the established safety of DF present DF as a strong candidate to treat viral and post-infectious syndromes involving endothelial dysfunction. AREAS COVERED We discuss DF and other therapeutic agents that have the potential to target endothelial components of pathogenesis in viral and post-infectious syndromes. We introduce defibrotide (DF), describe its mechanisms of action, and explore its established pleiotropic effects on the endothelium. We describe the established pathophysiology of Coronavirus Disease 2019 (COVID-19) and highlight the processes specific to COVID-19 potentially modulated by DF. We also present influenza A and viral hemorrhagic fevers, especially those caused by hantavirus, Ebola virus, and dengue virus, as viral syndromes in which DF might serve therapeutic benefit. Finally, we offer our opinion on novel treatment strategies targeting endothelial dysfunction in viral infections and their severe manifestations. EXPERT OPINION Given the critical role of endothelial dysfunction in numerous infectious syndromes, in particular COVID-19, therapeutic pharmacology for these conditions should increasingly prioritize endothelial stabilization. Several agents with endothelial protective properties should be further studied as treatments for severe viral infections and vasculitides, especially where other therapeutic modalities have failed.
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Affiliation(s)
- Edward Richardson
- Frank H. Netter M.D. School of Medicine at Quinnipiac University, North Haven, Connecticut, USA.,Department of Surgery, Yale University School of Medicine, New Haven, Connecticut, USA
| | - David García-Bernal
- Department of Medicine, Stem Cell Transplant and Cell Therapy Unit, IMIB-Arrixaca, Virgen De La Arrixaca University Hospital, University of Murcia, Murcia, Spain
| | - Eleonora Calabretta
- Department of Biomedical Sciences, Humanitas University, Rozzano-Milano, Italy.,Department of Oncology and Hematology, IRCCS - Humanitas Research Hospital, Rozzano-Milano, Italy
| | - Rubén Jara
- Intensive Care Unit, Virgen De La Arrixaca University Hospital, University of Murcia, Murcia, Spain
| | - Marta Palomo
- Josep Carreras Leukaemia Research Institute, Hospital Clinic, University of Barcelona, Barcelona, Spain.,Barcelona Endothelium Team, Barcelona, Spain
| | - Rebecca M Baron
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Gregory Yanik
- Department of Pediatrics, Blood and Marrow Transplantation Program, University of Michigan, Ann Arbor, MI, USA.,Department of Internal Medicine, Blood and Marrow Transplantation Program, University of Michigan, Ann Arbor, Michigan, USA
| | - Jawed Fareed
- Department of Molecular Pharmacology and Therapeutics, Hemostasis and Thrombosis Research Laboratories, Loyola University Medical Center, Chicago, Illinois, USA
| | - Israel Vlodavsky
- Technion Integrated Cancer Center, Rappaport Faculty of Medicine, Technion, Haifa, Israel
| | | | - Maribel Díaz-Ricart
- Barcelona Endothelium Team, Barcelona, Spain.,Hematopathology, Pathology Department, CDB, Hospital Clinic, Barcelona, Spain.,IDIBAPS, Barcelona, Spain
| | - Paul G Richardson
- Frank H. Netter M.D. School of Medicine at Quinnipiac University, North Haven, Connecticut, USA.,Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.,Division of Hematologic Malignancy, Department of Medical Oncology, Dana Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts, USA
| | - Carmelo Carlo-Stella
- Frank H. Netter M.D. School of Medicine at Quinnipiac University, North Haven, Connecticut, USA.,Department of Biomedical Sciences, Humanitas University, Rozzano-Milano, Italy.,Department of Oncology and Hematology, IRCCS - Humanitas Research Hospital, Rozzano-Milano, Italy.,Division of Pulmonary and Critical Care Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Jose M Moraleda
- Department of Medicine, Stem Cell Transplant and Cell Therapy Unit, IMIB-Arrixaca, Virgen De La Arrixaca University Hospital, University of Murcia, Murcia, Spain
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14
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Dengue Virus Induces the Expression and Release of Endocan from Endothelial Cells by an NS1-TLR4-Dependent Mechanism. Microorganisms 2021; 9:microorganisms9061305. [PMID: 34203931 PMCID: PMC8232724 DOI: 10.3390/microorganisms9061305] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/03/2021] [Accepted: 06/08/2021] [Indexed: 12/16/2022] Open
Abstract
A common hallmark of dengue infections is the dysfunction of the vascular endothelium induced by different biological mechanisms. In this paper, we studied the role of recombinant NS1 proteins representing the four dengue serotypes, and their role in promoting the expression and release of endocan, which is a highly specific biomarker of endothelial cell activation. We evaluated mRNA expression and the levels of endocan protein in vitro following the stimulation of HUVEC and HMEC-1 cell lines with recombinant NS1 proteins. NS1 proteins increase endocan mRNA expression 48 h post-activation in both endothelial cell lines. Endocan mRNA expression levels were higher in HUVEC and HMEC-1 cells stimulated with NS1 proteins than in non-stimulated cells (p < 0.05). A two-fold to three-fold increase in endocan protein release was observed after the stimulation of HUVECs or HMEC-1 cells with NS1 proteins compared with that in non-stimulated cells (p < 0.05). The blockade of Toll-like receptor 4 (TLR-4) signaling on HMEC-1 cells with an antagonistic antibody prevented NS1-dependent endocan production. Dengue-infected patients showed elevated serum endocan levels (≥30 ng/mL) during early dengue infection. High endocan serum levels were associated with laboratory abnormalities, such as lymphopenia and thrombocytopenia, and are associated with the presence of NS1 in the serum.
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15
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An Integrated Approach of the Potential Underlying Molecular Mechanistic Paradigms of SARS-CoV-2-Mediated Coagulopathy. Indian J Clin Biochem 2021; 36:387-403. [PMID: 33875909 PMCID: PMC8047580 DOI: 10.1007/s12291-021-00972-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Accepted: 04/03/2021] [Indexed: 02/06/2023]
Abstract
Coronavirus disease 2019 (Covid-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a pandemic disease which has affected more than 6.2 million people globally, with numbers mounting considerably daily. However, till date, no specific treatment modalities are available for Covid-19 and also not much information is known about this disease. Recent studies have revealed that SARS-CoV-2 infection is associated with the generation of thrombosis and coagulopathy. Fundamentally, it has been believed that a diverse array of signalling pathways might be responsible for the activation of coagulation cascade during SARS-CoV-2 infection. Henceforth, a detailed understanding of these probable underlying molecular mechanistic pathways causing thrombosis in Covid-19 disease deserves an urgent exploration. Therefore, in this review, the hypothetical crosstalk between distinct signalling pathways including apoptosis, inflammation, hypoxia and angiogenesis attributable for the commencement of thrombotic events during SARS-CoV-2 infection has been addressed which might further unravel promising therapeutic targets in Covid-19 disease.
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16
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Monocyte subset redistribution from blood to kidneys in patients with Puumala virus caused hemorrhagic fever with renal syndrome. PLoS Pathog 2021; 17:e1009400. [PMID: 33690725 PMCID: PMC7984619 DOI: 10.1371/journal.ppat.1009400] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 03/22/2021] [Accepted: 02/17/2021] [Indexed: 12/18/2022] Open
Abstract
Innate immune cells like monocytes patrol the vasculature and mucosal surfaces, recognize pathogens, rapidly redistribute to affected tissues and cause inflammation by secretion of cytokines. We previously showed that monocytes are reduced in blood but accumulate in the airways of patients with Puumala virus (PUUV) caused hemorrhagic fever with renal syndrome (HFRS). However, the dynamics of monocyte infiltration to the kidneys during HFRS, and its impact on disease severity are currently unknown. Here, we examined longitudinal peripheral blood samples and renal biopsies from HFRS patients and performed in vitro experiments to investigate the fate of monocytes during HFRS. During the early stages of HFRS, circulating CD14-CD16+ nonclassical monocytes (NCMs) that patrol the vasculature were reduced in most patients. Instead, CD14+CD16- classical (CMs) and CD14+CD16+ intermediate monocytes (IMs) were increased in blood, in particular in HFRS patients with more severe disease. Blood monocytes from patients with acute HFRS expressed higher levels of HLA-DR, the endothelial adhesion marker CD62L and the chemokine receptors CCR7 and CCR2, as compared to convalescence, suggesting monocyte activation and migration to peripheral tissues during acute HFRS. Supporting this hypothesis, increased numbers of HLA-DR+, CD14+, CD16+ and CD68+ cells were observed in the renal tissues of acute HFRS patients compared to controls. In vitro, blood CD16+ monocytes upregulated CD62L after direct exposure to PUUV whereas CD16- monocytes upregulated CCR7 after contact with PUUV-infected endothelial cells, suggesting differential mechanisms of activation and response between monocyte subsets. Together, our findings suggest that NCMs are reduced in blood, potentially via CD62L-mediated attachment to endothelial cells and monocytes are recruited to the kidneys during HFRS. Monocyte mobilization, activation and functional impairment together may influence the severity of disease in acute PUUV-HFRS.
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17
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Fosse JH, Haraldsen G, Falk K, Edelmann R. Endothelial Cells in Emerging Viral Infections. Front Cardiovasc Med 2021; 8:619690. [PMID: 33718448 PMCID: PMC7943456 DOI: 10.3389/fcvm.2021.619690] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 02/01/2021] [Indexed: 12/11/2022] Open
Abstract
There are several reasons to consider the role of endothelial cells in COVID-19 and other emerging viral infections. First, severe cases of COVID-19 show a common breakdown of central vascular functions. Second, SARS-CoV-2 replicates in endothelial cells. Third, prior deterioration of vascular function exacerbates disease, as the most common comorbidities of COVID-19 (obesity, hypertension, and diabetes) are all associated with endothelial dysfunction. Importantly, SARS-CoV-2's ability to infect endothelium is shared by many emerging viruses, including henipaviruses, hantavirus, and highly pathogenic avian influenza virus, all specifically targeting endothelial cells. The ability to infect endothelium appears to support generalised dissemination of infection and facilitate the access to certain tissues. The disturbed vascular function observed in severe COVID-19 is also a prominent feature of many other life-threatening viral diseases, underscoring the need to understand how viruses modulate endothelial function. We here review the role of vascular endothelial cells in emerging viral infections, starting with a summary of endothelial cells as key mediators and regulators of vascular and immune responses in health and infection. Next, we discuss endotheliotropism as a possible virulence factor and detail features that regulate viruses' ability to attach to and enter endothelial cells. We move on to review how endothelial cells detect invading viruses and respond to infection, with particular focus on pathways that may influence vascular function and the host immune system. Finally, we discuss how endothelial cell function can be dysregulated in viral disease, either by viral components or as bystander victims of overshooting or detrimental inflammatory and immune responses. Many aspects of how viruses interact with the endothelium remain poorly understood. Considering the diversity of such mechanisms among different emerging viruses allows us to highlight common features that may be of general validity and point out important challenges.
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Affiliation(s)
| | - Guttorm Haraldsen
- Department of Pathology, Oslo University Hospital, Oslo, Norway.,Department of Pathology, University of Oslo, Oslo, Norway
| | - Knut Falk
- Norwegian Veterinary Institute, Oslo, Norway.,AquaMed Consulting AS, Oslo, Norway
| | - Reidunn Edelmann
- Department of Clinical Medicine, Centre for Cancer Biomarkers CCBIO, University of Bergen, Bergen, Norway
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18
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Canzano P, Brambilla M, Porro B, Cosentino N, Tortorici E, Vicini S, Poggio P, Cascella A, Pengo MF, Veglia F, Fiorelli S, Bonomi A, Cavalca V, Trabattoni D, Andreini D, Omodeo Salè E, Parati G, Tremoli E, Camera M. Platelet and Endothelial Activation as Potential Mechanisms Behind the Thrombotic Complications of COVID-19 Patients. ACTA ACUST UNITED AC 2021; 6:202-218. [PMID: 33649738 PMCID: PMC7904280 DOI: 10.1016/j.jacbts.2020.12.009] [Citation(s) in RCA: 141] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/15/2020] [Accepted: 12/15/2020] [Indexed: 12/27/2022]
Abstract
The authors hypothesized that the cytokine storm described in COVID-19 patients may lead to consistent cell-based tissue factor (TF)-mediated activation of coagulation, procoagulant microvesicles (MVs) release, and massive platelet activation. COVID-19 patients have higher levels of TF+ platelets, TF+ granulocytes, and TF+ MVs than healthy subjects and coronary artery disease patients. Plasma MV-associated thrombin generation is present in prophylactic anticoagulated patients. A sustained platelet activation in terms of P-selectin expression and platelet-leukocyte aggregate formation, and altered nitric oxide/prostacyclin synthesis are also observed. COVID-19 plasma, added to the blood of healthy subjects, induces platelet activation similar to that observed in vivo. This effect was blunted by pre-incubation with tocilizumab, aspirin, or a P2Y12 inhibitor.
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Key Words
- ADP, adenosine diphosphate
- CAD, coronary artery disease
- COVID-19
- COVID-19, coronavirus disease-2019
- CRP, C-reactive protein
- GPA, granulocyte–platelet aggregates
- HS, healthy subject
- IL, interleukin
- IL-6
- IL-6R, interleukin-6 receptor
- LMWH, low-molecular-weight heparin
- MPA, monocyte–platelet aggregates
- MV, microvesicle
- NO, nitric oxide
- NOS, nitric oxide synthase
- PGI2, prostacyclin
- PLA, platelet–leukocyte aggregates
- PS, phosphatidylserine
- SARS-CoV-2, severe acute respiratory syndrome-coronavirus-2
- TF, tissue factor
- antiplatelet drugs
- circulating microvesicles
- platelet activation
- tissue factor
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Marina Camera
- Centro Cardiologico Monzino IRCCS, Milan, Italy.,Department of Pharmaceutical Sciences, Università degli Studi di Milano, Milan, Italy
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19
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Giordo R, Paliogiannis P, Mangoni AA, Pintus G. SARS-CoV-2 and endothelial cell interaction in COVID-19: molecular perspectives. VASCULAR BIOLOGY (BRISTOL, ENGLAND) 2021; 3:R15-R23. [PMID: 33659858 PMCID: PMC7923034 DOI: 10.1530/vb-20-0017] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 01/12/2021] [Indexed: 12/12/2022]
Abstract
SARS-CoV-2 is the agent responsible for the coronavirus disease (COVID-19), which has been declared a pandemic by the World Health Organization. The clinical evolution of COVID-19 ranges from asymptomatic infection to death. Older people and patients with underlying medical conditions, particularly diabetes, cardiovascular and chronic respiratory diseases are more susceptible to develop severe forms of COVID-19. Significant endothelial damage has been reported in COVID-19 and growing evidence supports the key pathophysiological role of this alteration in the onset and the progression of the disease. In particular, the impaired vascular homeostasis secondary to the structural and functional damage of the endothelium and its main component, the endothelial cells, contributes to the systemic proinflammatory state and the multiorgan involvement observed in COVID-19 patients. This review summarizes the current evidence supporting the proposition that the endothelium is a key target of SARS-CoV-2, with a focus on the molecular mechanisms involved in the interaction between SARS-CoV-2 and endothelial cells.
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Affiliation(s)
- Roberta Giordo
- Department of Medical Laboratory Sciences, College of Health Sciences, and Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
| | - Panagiotis Paliogiannis
- Department of Medical, Surgical and Experimental Surgery, University of Sassari, Sassari, Italy
| | - Arduino Aleksander Mangoni
- Discipline of Clinical Pharmacology, College of Medicine and Public Health, Flinders University and Flinders Medical Centre, Adelaide, Australia
| | - Gianfranco Pintus
- Department of Medical Laboratory Sciences, College of Health Sciences, and Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro, Sassari, Italy
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20
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Noack D, Goeijenbier M, Reusken CBEM, Koopmans MPG, Rockx BHG. Orthohantavirus Pathogenesis and Cell Tropism. Front Cell Infect Microbiol 2020; 10:399. [PMID: 32903721 PMCID: PMC7438779 DOI: 10.3389/fcimb.2020.00399] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 06/29/2020] [Indexed: 12/20/2022] Open
Abstract
Orthohantaviruses are zoonotic viruses that are naturally maintained by persistent infection in specific reservoir species. Although these viruses mainly circulate among rodents worldwide, spill-over infection to humans occurs. Orthohantavirus infection in humans can result in two distinct clinical outcomes: hemorrhagic fever with renal syndrome (HFRS) and hantavirus cardiopulmonary syndrome (HCPS). While both syndromes develop following respiratory transmission and are associated with multi-organ failure and high mortality rates, little is known about the mechanisms that result in these distinct clinical outcomes. Therefore, it is important to identify which cell types and tissues play a role in the differential development of pathogenesis in humans. Here, we review current knowledge on cell tropism and its role in pathogenesis during orthohantavirus infection in humans and reservoir rodents. Orthohantaviruses predominantly infect microvascular endothelial cells (ECs) of a variety of organs (lungs, heart, kidney, liver, and spleen) in humans. However, in this review we demonstrate that other cell types (e.g., macrophages, dendritic cells, and tubular epithelium) are infected as well and may play a role in the early steps in pathogenesis. A key driver for pathogenesis is increased vascular permeability, which can be direct effect of viral infection in ECs or result of an imbalanced immune response in an attempt to clear the virus. Future studies should focus on the role of identifying how infection of organ-specific endothelial cells as well as other cell types contribute to pathogenesis.
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Affiliation(s)
- Danny Noack
- Department of Viroscience, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Marco Goeijenbier
- Department of Viroscience, Erasmus University Medical Center, Rotterdam, Netherlands.,Department of Internal Medicine, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Chantal B E M Reusken
- Department of Viroscience, Erasmus University Medical Center, Rotterdam, Netherlands.,Center for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, Netherlands
| | - Marion P G Koopmans
- Department of Viroscience, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Barry H G Rockx
- Department of Viroscience, Erasmus University Medical Center, Rotterdam, Netherlands
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21
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Pryzdial ELG, Sutherland MR, Lin BH, Horwitz M. Antiviral anticoagulation. Res Pract Thromb Haemost 2020; 4:774-788. [PMID: 32685886 PMCID: PMC7354393 DOI: 10.1002/rth2.12406] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 05/28/2020] [Accepted: 06/08/2020] [Indexed: 02/06/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a novel envelope virus that causes coronavirus disease 2019 (COVID-19). Hallmarks of COVID-19 are a puzzling form of thrombophilia that has elevated D-dimer but only modest effects on other parameters of coagulopathy. This is combined with severe inflammation, often leading to acute respiratory distress and possible lethality. Coagulopathy and inflammation are interconnected by the transmembrane receptor, tissue factor (TF), which initiates blood clotting as a cofactor for factor VIIa (FVIIa)-mediated factor Xa (FXa) generation. TF also functions from within the nascent TF/FVIIa/FXa complex to trigger profound changes via protease-activated receptors (PARs) in many cell types, including SARS-CoV-2-trophic cells. Therefore, aberrant expression of TF may be the underlying basis of COVID-19 symptoms. Evidence suggests a correlation between infection with many virus types and development of clotting-related symptoms, ranging from heart disease to bleeding, depending on the virus. Since numerous cell types express TF and can act as sites for virus replication, a model envelope virus, herpes simplex virus type 1 (HSV1), has been used to investigate the uptake of TF into the envelope. Indeed, HSV1 and other viruses harbor surface TF antigen, which retains clotting and PAR signaling function. Strikingly, envelope TF is essential for HSV1 infection in mice, and the FXa-directed oral anticoagulant apixaban had remarkable antiviral efficacy. SARS-CoV-2 replicates in TF-bearing epithelial and endothelial cells and may stimulate and integrate host cell TF, like HSV1 and other known coagulopathic viruses. Combined with this possibility, the features of COVID-19 suggest that it is a TFopathy, and the TF/FVIIa/FXa complex is a feasible therapeutic target.
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Affiliation(s)
- Edward L. G. Pryzdial
- Center for InnovationCanadian Blood ServicesVancouverBCCanada
- Centre for Blood Research and Department of Pathology and Laboratory MedicineUniversity of British ColumbiaVancouverBCCanada
| | - Michael R. Sutherland
- Center for InnovationCanadian Blood ServicesVancouverBCCanada
- Centre for Blood Research and Department of Pathology and Laboratory MedicineUniversity of British ColumbiaVancouverBCCanada
| | - Bryan H. Lin
- Center for InnovationCanadian Blood ServicesVancouverBCCanada
- Centre for Blood Research and Department of Pathology and Laboratory MedicineUniversity of British ColumbiaVancouverBCCanada
| | - Marc Horwitz
- Department of Microbiology and ImmunologyUniversity of British ColumbiaVancouverBCCanada
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22
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Unique Interferon Pathway Regulation by the Andes Virus Nucleocapsid Protein Is Conferred by Phosphorylation of Serine 386. J Virol 2019; 93:JVI.00338-19. [PMID: 30867297 DOI: 10.1128/jvi.00338-19] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Accepted: 02/28/2019] [Indexed: 01/29/2023] Open
Abstract
Andes virus (ANDV) causes hantavirus pulmonary syndrome (HPS) and is the only hantavirus shown to spread person to person and cause a highly lethal HPS-like disease in Syrian hamsters. The unique ability of ANDV N protein to inhibit beta interferon (IFNβ) induction may contribute to its virulence and spread. Here we analyzed IFNβ regulation by ANDV N protein substituted with divergent residues from the nearly identical Maporal virus (MAPV) N protein. We found that MAPV N fails to inhibit IFNβ signaling and that replacing ANDV residues 252 to 296 with a hypervariable domain (HVD) from MAPV N prevents IFNβ regulation. In addition, changing ANDV residue S386 to the histidine present in MAPV N or the alanine present in other hantaviruses prevented ANDV N from regulating IFNβ induction. In contrast, replacing serine with phosphoserine-mimetic aspartic acid (S386D) in ANDV N robustly inhibited interferon regulatory factor 3 (IRF3) phosphorylation and IFNβ induction. Additionally, the MAPV N protein gained the ability to inhibit IRF3 phosphorylation and IFNβ induction when ANDV HVD and H386D replaced MAPV residues. Mass spectroscopy analysis of N protein from ANDV-infected cells revealed that S386 is phosphorylated, newly classifying ANDV N as a phosphoprotein and phosphorylated S386 as a unique determinant of IFN regulation. In this context, the finding that the ANDV HVD is required for IFN regulation by S386 but dispensable for IFN regulation by D386 suggests a role for HVD in kinase recruitment and S386 phosphorylation. These findings delineate elements within the ANDV N protein that can be targeted to attenuate ANDV and suggest targeting cellular kinases as potential ANDV therapeutics.IMPORTANCE ANDV contains virulence determinants that uniquely permit it to spread person to person and cause highly lethal HPS in immunocompetent hamsters. We discovered that ANDV S386 and an ANDV-specific hypervariable domain permit ANDV N to inhibit IFN induction and that IFN regulation is directed by phosphomimetic S386D substitutions in ANDV N. In addition, MAPV N proteins containing D386 and ANDV HVD gained the ability to inhibit IFN induction. Validating these findings, mass spectroscopy analysis revealed that S386 of ANDV N protein is uniquely phosphorylated during ANDV infection. Collectively, these findings reveal new paradigms for ANDV N protein as a phosphoprotein and IFN pathway regulator and suggest new mechanisms for hantavirus regulation of cellular kinases and signaling pathways. Our findings define novel IFN-regulating virulence determinants of ANDV, identify residues that can be modified to attenuate ANDV for vaccine development, and suggest the potential for kinase inhibitors to therapeutically restrict ANDV replication.
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23
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Strandin T, Mäkelä S, Mustonen J, Vaheri A. Neutrophil Activation in Acute Hemorrhagic Fever With Renal Syndrome Is Mediated by Hantavirus-Infected Microvascular Endothelial Cells. Front Immunol 2018; 9:2098. [PMID: 30283445 PMCID: PMC6157395 DOI: 10.3389/fimmu.2018.02098] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Accepted: 08/24/2018] [Indexed: 12/11/2022] Open
Abstract
Hantaviruses cause hemorrhagic fever with renal syndrome (HFRS) and hantavirus cardiopulmonary syndrome (HCPS) in humans. Both diseases are considered to be immunologically mediated but the exact pathological mechanisms are still poorly understood. Neutrophils are considered the first line of defense against invading microbes but little is still known of their role in virus infections. We wanted to study the role of neutrophils in HFRS using blood and tissue samples obtained from Puumala hantavirus (PUUV)-infected patients. We found that neutrophil activation products myeloperoxidase and neutrophil elastase, together with interleukin-8 (the major neutrophil chemotactic factor in humans), are strongly elevated in blood of acute PUUV-HFRS and positively correlate with kidney dysfunction, the hallmark clinical finding of HFRS. These markers localized mainly in the tubulointerstitial space in the kidneys of PUUV-HFRS patients suggesting neutrophil activation to be a likely component of the general immune response toward hantaviruses. We also observed increased levels of circulating extracellular histones at the acute stage of the disease supporting previous findings of neutrophil extracellular trap formation in PUUV-HFRS. Mechanistically, we did not find evidence for direct PUUV-mediated activation of neutrophils but instead primary blood microvascular endothelial cells acquired a pro-inflammatory phenotype and promoted neutrophil degranulation in response to PUUV infection in vitro. These results suggest that neutrophils are activated by hantavirus-infected endothelial cells and may contribute to the kidney pathology which determines the severity of HFRS.
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Affiliation(s)
- Tomas Strandin
- Department of Virology, Medicum, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Satu Mäkelä
- Department of Internal Medicine, Faculty of Medicine and Life Sciences, Tampere University Hospital, University of Tampere, Tampere, Finland
| | - Jukka Mustonen
- Department of Internal Medicine, Faculty of Medicine and Life Sciences, Tampere University Hospital, University of Tampere, Tampere, Finland
| | - Antti Vaheri
- Department of Virology, Medicum, Faculty of Medicine, University of Helsinki, Helsinki, Finland
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24
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Bondu V, Bitting C, Poland VL, Hanson JA, Harkins MS, Lathrop S, Nolte KB, Lawrence DA, Buranda T. Upregulation of P2Y 2R, Active uPA, and PAI-1 Are Essential Components of Hantavirus Cardiopulmonary Syndrome. Front Cell Infect Microbiol 2018; 8:169. [PMID: 29930915 PMCID: PMC6001748 DOI: 10.3389/fcimb.2018.00169] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 05/03/2018] [Indexed: 12/13/2022] Open
Abstract
Sin Nombre virus (SNV) causes hantavirus cardiopulmonary pulmonary syndrome (HCPS) with the loss of pulmonary vascular endothelial integrity, and pulmonary edema without causing cytopathic effects on the vascular endothelium. HCPS is associated primarily with a dysregulated immune response. We previously found occult signs of hemostatic imbalance in the form of a sharp >30-100 fold increase in the expression of plasminogen activator inhibitor type 1 (PAI-1), in serial blood plasma draws of terminal stage-patients. However, the mechanism of the increase in PAI-1 remains unclear. PAI-1 is a primary inhibitor of fibrinolysis caused by tissue plasminogen activator (tPA) and urokinase plasminogen activator plasma (uPA). Here, we investigate factors that contribute to PAI-1 upregulation during HCPS. Using zymography, we found evidence of PAI-1-refractory uPA activity and no tPA activity in plasma samples drawn from HCPS patients. The sole prevalence of uPA activity suggested that severe inflammation drove PAI-1 activity. We have recently reported that the P2Y2 receptor (P2Y2R) mediates SNV infectivity by interacting in cis with β3 integrins, which activates the latter during infection. P2Y2R is a known effector for several biological processes relevant to HCPS pathogenesis, such as upregulation of tissue factor (TF), a primary initiator of the coagulation cascade, stimulating vascular permeability and leukocyte homing to sites of infection. As P2Y2R is prone to upregulation under conditions of inflammation, we compared the expression level of P2Y2R in formalin fixed tissues of HCPS decedents using a TaqMan assay and immunohistochemistry. Our TaqMan results show that the expression of P2Y2R is upregulated significantly in HCPS cases compared to non- HCPS controls (P < 0.001). Immunohistochemistry showed that lung macrophages were the primary reservoir of high and coincident localization of P2Y2R, uPA, PAI-1, and TF antigens. We also observed increased staining for SNV antigens in the same tissue segments where P2Y2R expression was upregulated. Conversely, sections of low P2Y2R expression showed weak manifestations of macrophages, SNV, PAI-1, and TF. Coincident localization of P2Y2R and PAI-1 on macrophage deposits suggests an inflammation-dependent mechanism of increasing pro-coagulant activity in HCPS in the absence of tissue injury.
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Affiliation(s)
- Virginie Bondu
- Department of Pathology, University of New Mexico School of Medicine, Albuquerque, NM, United States
| | - Casey Bitting
- Department of Pathology, University of New Mexico School of Medicine, Albuquerque, NM, United States
| | - Valerie L Poland
- Office of the Medical Investigator, University of New Mexico School of Medicine, Albuquerque, NM, United States
| | - Joshua A Hanson
- Department of Pathology, University of New Mexico School of Medicine, Albuquerque, NM, United States
| | - Michelle S Harkins
- Division of Infectious Disease, Pulmonary, Critical Care, and Sleep, Department of Internal Medicine, School of Medicine, University of New Mexico, Albuquerque, NM, United States
| | - Sarah Lathrop
- Department of Pathology, University of New Mexico School of Medicine, Albuquerque, NM, United States.,Office of the Medical Investigator, University of New Mexico School of Medicine, Albuquerque, NM, United States
| | - Kurt B Nolte
- Department of Pathology, University of New Mexico School of Medicine, Albuquerque, NM, United States.,Office of the Medical Investigator, University of New Mexico School of Medicine, Albuquerque, NM, United States
| | - Daniel A Lawrence
- Division of Cardiovascular Medicine, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Tione Buranda
- Department of Pathology, University of New Mexico School of Medicine, Albuquerque, NM, United States
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25
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Pal E, Korva M, Resman Rus K, Kejžar N, Bogovič P, Strle F, Avšič-Županc T. Relationship between circulating vascular endothelial growth factor and its soluble receptor in patients with hemorrhagic fever with renal syndrome. Emerg Microbes Infect 2018; 7:89. [PMID: 29765019 PMCID: PMC5953927 DOI: 10.1038/s41426-018-0090-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Revised: 02/02/2018] [Accepted: 03/17/2018] [Indexed: 01/06/2023]
Abstract
Hemorrhagic fever with renal syndrome (HFRS) is characterized by endothelial dysfunction with capillary leakage without obvious cytopathology in the capillary endothelium. The aim of the study was to analyze the kinetics of vascular endothelial growth factor (VEGF) and its soluble receptor (sVEGFR-2) in HFRS patients infected with Dobrava (DOBV) or Puumala virus (PUUV). VEGF and sVEGFR-2 levels were measured in daily plasma and urine samples of 73 patients with HFRS (58 with PUUV, 15 with DOBV) and evaluated in relation to clinical and laboratory variables. In comparison with the healthy controls, initial samples (obtained in the first week of illness) from patients with HFRS had higher plasma and urine VEGF levels, whereas sVEGFR-2 levels were lower in plasma but higher in urine. VEGF levels did not differ in relation to hantavirus species, viral load, or the severity of HFRS. The comparison of VEGF dynamics in plasma and urine showed the pronounced secretion of VEGF in urine. Significant correlations were found between daily VEGF/sVEGFR-2 levels and platelet counts, as well as with diuresis: the correlations were positive for plasma VEGF/sVEGFR-2 levels and negative for urine levels. In addition, patients with hemorrhagic manifestations had very high plasma and urine VEGF, together with high urine sVEGFR-2. Measuring the local secretion of sVEGFR-2 in urine might be a useful biomarker for identifying HFRS patients who will progress to severe disease.
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Affiliation(s)
- Emil Pal
- Department of Infectious Diseases, Murska Sobota General Hospital, 9000, Murska Sobota, Slovenia
| | - Misa Korva
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, 1000, Ljubljana, Slovenia
| | - Katarina Resman Rus
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, 1000, Ljubljana, Slovenia
| | - Nataša Kejžar
- Institute for Biostatistics and Medical Informatics, Faculty of Medicine, University of Ljubljana, 1000, Ljubljana, Slovenia
| | - Petra Bogovič
- Department of Infectious Diseases, University Medical Centre Ljubljana, 1000, Ljubljana, Slovenia
| | - Franc Strle
- Department of Infectious Diseases, University Medical Centre Ljubljana, 1000, Ljubljana, Slovenia
| | - Tatjana Avšič-Županc
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, 1000, Ljubljana, Slovenia.
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26
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Slomka MJ, Seekings AH, Mahmood S, Thomas S, Puranik A, Watson S, Byrne AMP, Hicks D, Nunez A, Brown IH, Brookes SM. Unexpected infection outcomes of China-origin H7N9 low pathogenicity avian influenza virus in turkeys. Sci Rep 2018; 8:7322. [PMID: 29743603 PMCID: PMC5943237 DOI: 10.1038/s41598-018-25062-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 04/11/2018] [Indexed: 11/23/2022] Open
Abstract
The China-origin H7N9 low pathogenicity avian influenza virus (LPAIV) emerged as a zoonotic threat in 2013 where it continues to circulate in live poultry markets. Absence of overt clinical signs in poultry is a typical LPAIV infection outcome, and has contributed to its insidious maintenance in China. This study is the first description of H7N9 LPAIV (A/Anhui/1/13) infection in turkeys, with efficient transmission to two additional rounds of introduced contact turkeys which all became infected during cohousing. Surprisingly, mortality was observed in six of eight (75%) second-round contact turkeys which is unusual for LPAIV infection, with unexpected systemic dissemination to many organs beyond the respiratory and enteric tracts, but interestingly no accompanying mutation to highly pathogenic AIV. The intravenous pathogenicity index score for a turkey-derived isolate (0.39) affirmed the LPAIV phenotype. However, the amino acid change L235Q in the haemagglutinin gene occurred in directly-infected turkeys and transmitted to the contacts, including those that died and the two which resolved infection to survive to the end of the study. This polymorphism was indicative of a reversion from mammalian to avian adaptation for the H7N9 virus. This study underlined a new risk to poultry in the event of H7N9 spread beyond China.
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Affiliation(s)
- Marek J Slomka
- Avian Virology and Mammalian Influenza Research, Virology Department, Animal and Plant Health Agency (APHA-Weybridge), Woodham Lane, Addlestone, Surrey, KT15 3NB, United Kingdom.
| | - Amanda H Seekings
- Avian Virology and Mammalian Influenza Research, Virology Department, Animal and Plant Health Agency (APHA-Weybridge), Woodham Lane, Addlestone, Surrey, KT15 3NB, United Kingdom
| | - Sahar Mahmood
- Avian Virology and Mammalian Influenza Research, Virology Department, Animal and Plant Health Agency (APHA-Weybridge), Woodham Lane, Addlestone, Surrey, KT15 3NB, United Kingdom
| | - Saumya Thomas
- Avian Virology and Mammalian Influenza Research, Virology Department, Animal and Plant Health Agency (APHA-Weybridge), Woodham Lane, Addlestone, Surrey, KT15 3NB, United Kingdom
| | - Anita Puranik
- Avian Virology and Mammalian Influenza Research, Virology Department, Animal and Plant Health Agency (APHA-Weybridge), Woodham Lane, Addlestone, Surrey, KT15 3NB, United Kingdom
| | - Samantha Watson
- Animal Services Unit, Animal and Plant Health Agency (APHA-Weybridge), Woodham Lane, Addlestone, Surrey, KT15 3NB, United Kingdom
| | - Alexander M P Byrne
- Avian Virology and Mammalian Influenza Research, Virology Department, Animal and Plant Health Agency (APHA-Weybridge), Woodham Lane, Addlestone, Surrey, KT15 3NB, United Kingdom
| | - Daniel Hicks
- Pathology Department, Animal and Plant Health Agency (APHA-Weybridge), Woodham Lane, Addlestone, Surrey, KT15 3NB, United Kingdom
| | - Alejandro Nunez
- Pathology Department, Animal and Plant Health Agency (APHA-Weybridge), Woodham Lane, Addlestone, Surrey, KT15 3NB, United Kingdom
| | - Ian H Brown
- Avian Virology and Mammalian Influenza Research, Virology Department, Animal and Plant Health Agency (APHA-Weybridge), Woodham Lane, Addlestone, Surrey, KT15 3NB, United Kingdom
| | - Sharon M Brookes
- Avian Virology and Mammalian Influenza Research, Virology Department, Animal and Plant Health Agency (APHA-Weybridge), Woodham Lane, Addlestone, Surrey, KT15 3NB, United Kingdom
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27
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Bellomo C, Korva M, Papa A, Mäkelä S, Mustonen J, Avšič-Županc T, Vaheri A, Martinez VP, Strandin T. Differential Regulation of PAI-1 in Hantavirus Cardiopulmonary Syndrome and Hemorrhagic Fever With Renal Syndrome. Open Forum Infect Dis 2018; 5:ofy021. [PMID: 29450213 PMCID: PMC5808793 DOI: 10.1093/ofid/ofy021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Accepted: 01/16/2018] [Indexed: 01/14/2023] Open
Abstract
We analyzed the levels of circulating tissue plasminogen activator (tPA) and plasminogen activator inhibitor (PAI)-1 in acute hantavirus cardiopulmonary syndrome (HCPS) and hemorrhagic fever with renal syndrome (HFRS). The levels of tPA commonly increased in both diseases, whereas PAI-1 correlated with disease severity in HCPS but not in HFRS.
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Affiliation(s)
- Carla Bellomo
- Laboratorio Nacional de Referencia para Hantavirus, Servicio Biología Molecular, Departamento Virología-INEI-ANLIS "Dr C. G. Malbrán," Buenos Aires, Argentina
| | - Miša Korva
- Institute of Microbiology and Immunology, Faculty of Medicine University of Ljubljana, Ljubljana, Slovenia
| | - Anna Papa
- Department of Microbiology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Satu Mäkelä
- Department of Internal Medicine, Tampere University Hospital and Faculty of Medicine and Life Sciences, University of Tampere, Tampere, Finl
| | - Jukka Mustonen
- Department of Internal Medicine, Tampere University Hospital and Faculty of Medicine and Life Sciences, University of Tampere, Tampere, Finl
| | - Tatjana Avšič-Županc
- Institute of Microbiology and Immunology, Faculty of Medicine University of Ljubljana, Ljubljana, Slovenia
| | - Antti Vaheri
- Department of Virology, Medicum, Faculty of Medicine, University of Helsinki, Helsinki, Finl
| | - Valeria P Martinez
- Laboratorio Nacional de Referencia para Hantavirus, Servicio Biología Molecular, Departamento Virología-INEI-ANLIS "Dr C. G. Malbrán," Buenos Aires, Argentina
| | - Tomas Strandin
- Department of Virology, Medicum, Faculty of Medicine, University of Helsinki, Helsinki, Finl
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28
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Oliveira ERA, Póvoa TF, Nuovo GJ, Allonso D, Salomão NG, Basílio-de-Oliveira CA, Geraldo LHM, Fonseca CG, Lima FRS, Mohana-Borges R, Paes MV. Dengue fatal cases present virus-specific HMGB1 response in peripheral organs. Sci Rep 2017; 7:16011. [PMID: 29167501 PMCID: PMC5700165 DOI: 10.1038/s41598-017-16197-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 11/08/2017] [Indexed: 12/27/2022] Open
Abstract
Dengue is an important infectious disease that presents high incidence and yields a relevant number of fatal cases (about 20,000) every year worldwide. Despite its epidemiological relevance, there are many knowledge gaps concerning dengue pathogenesis, especially with regards to the circumstances that drive a mild clinical course to a severe disease. In this work, we investigated the participation of high mobility group box 1 (HMGB1), an important modulator of inflammation, in dengue fatal cases. Histopathological and ultrastructural analyses revealed that liver, lung and heart post-mortem samples were marked by tissue abnormalities, such as necrosis and apoptotic cell death. These observations go in line with an HMGB1-mediated response and raised concerns regarding the participation of this cytokine in promoting/perpetuating inflammation in severe dengue. Further experiments of immunohistochemistry (IHC) showed increased expression of cytoplasmic HMGB1 in dengue-extracted tissues when compared to non-dengue controls. Co-staining of DENV RNA and HMGB1 in the host cell cytoplasm, as found by in situ hybridization and IHC, confirmed the virus specific induction of the HMGB1-mediated response in these peripheral tissues. This report brings the first in-situ evidence of the participation of HMGB1 in severe dengue and highlights novel considerations in the development of dengue immunopathogenesis.
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Affiliation(s)
- Edson R A Oliveira
- Laboratóio de Modelagem Molecular, Instituto de Química Orgânica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
| | | | - Gerard J Nuovo
- Ohio State University Comprehensive Cancer Center, Columbus, Ohio, United States of America
- Phylogeny Inc, Powell, Ohio, United States of America
| | - Diego Allonso
- Laboratório de Genômica Estrutural, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Natália G Salomão
- Laboratório Interdisciplinar de Pesquisas Médicas, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brazil
| | - Carlos A Basílio-de-Oliveira
- Anatomia Patológica, Hospital Gaffrée Guinle, Universidade Federal do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luiz H M Geraldo
- Laboratório de Biologia das Células Gliais, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Celina G Fonseca
- Laboratório de Biologia das Células Gliais, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Flávia R S Lima
- Laboratório de Biologia das Células Gliais, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ronaldo Mohana-Borges
- Laboratório de Genômica Estrutural, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marciano V Paes
- Laboratório Interdisciplinar de Pesquisas Médicas, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Rio de Janeiro, RJ, Brazil.
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29
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Bondu V, Wu C, Cao W, Simons PC, Gillette J, Zhu J, Erb L, Zhang XF, Buranda T. Low-affinity binding in cis to P2Y 2R mediates force-dependent integrin activation during hantavirus infection. Mol Biol Cell 2017; 28:2887-2903. [PMID: 28835374 PMCID: PMC5638590 DOI: 10.1091/mbc.e17-01-0082] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 08/08/2017] [Accepted: 08/17/2017] [Indexed: 12/22/2022] Open
Abstract
Atomic force microscopy is used to establish that low-affinity integrins bind in cis to P2Y2R. Integrin activation is initiated by a membrane-normal switchblade motion triggered by integrin priming after the virus binds to the integrin PSI domain. Tensile force between the P2Y2R and unbending integrin stimulates outside-in signaling. Pathogenic hantaviruses bind to the plexin-semaphorin-integrin (PSI) domain of inactive, β3 integrins. Previous studies have implicated a cognate cis interaction between the bent conformation β5/β3 integrins and an arginine-glycine-aspartic acid (RGD) sequence in the first extracellular loop of P2Y2R. With single-molecule atomic force microscopy, we show a specific interaction between an atomic force microscopy tip decorated with recombinant αIIbβ3 integrins and (RGD)P2Y2R expressed on cell membranes. Mutation of the RGD sequence to RGE in the P2Y2R removes this interaction. Binding of inactivated and fluorescently labeled Sin Nombre virus (SNV) to the integrin PSI domain stimulates higher affinity for (RGD)P2Y2R on cells, as measured by an increase in the unbinding force. In CHO cells, stably expressing αIIbβ3 integrins, virus engagement at the integrin PSI domain, recapitulates physiologic activation of the integrin as indicated by staining with the activation-specific mAB PAC1. The data also show that blocking of the Gα13 protein from binding to the cytoplasmic domain of the β3 integrin prevents outside-in signaling and infection. We propose that the cis interaction with P2Y2R provides allosteric resistance to the membrane-normal motion associated with the switchblade model of integrin activation, where the development of tensile force yields physiological integrin activation.
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Affiliation(s)
- Virginie Bondu
- Department of Pathology, University of New Mexico School of Medicine, Albuquerque, NM 87131
| | - Chenyu Wu
- Department of Mechanical Engineering and Mechanics and Department of Bioengineering, Lehigh University, Bethlehem, PA 18015
| | - Wenpeng Cao
- Department of Mechanical Engineering and Mechanics and Department of Bioengineering, Lehigh University, Bethlehem, PA 18015
| | - Peter C Simons
- Department of Pathology, University of New Mexico School of Medicine, Albuquerque, NM 87131
| | - Jennifer Gillette
- Department of Pathology, University of New Mexico School of Medicine, Albuquerque, NM 87131
| | - Jieqing Zhu
- Blood Research Institute, Bloodcenter of Wisconsin, Milwaukee, WI 53226
| | - Laurie Erb
- Department of Biochemistry, 540F Bond Life Sciences Center, Columbia, MO 65211
| | - X Frank Zhang
- Department of Mechanical Engineering and Mechanics and Department of Bioengineering, Lehigh University, Bethlehem, PA 18015
| | - Tione Buranda
- Department of Pathology, University of New Mexico School of Medicine, Albuquerque, NM 87131 .,Center for Infectious Diseases and Immunity, University of New Mexico School of Medicine, Albuquerque, NM 87131
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30
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Hu H, Xu S, Hu S, Xu W, Shui H. The clinical characteristics of posterior reversible encephalopathy syndrome in patients with chronic renal failure. Exp Ther Med 2017; 14:881-887. [PMID: 28673014 DOI: 10.3892/etm.2017.4570] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Accepted: 03/23/2017] [Indexed: 11/05/2022] Open
Abstract
Few studies have investigated posterior reversible encephalopathy syndrome (PRES) in patients with chronic renal failure (CRF). The present study analyzed the clinical manifestations, laboratory examinations and imaging features of PRES in patients with CRF. A total of 42 patients with CRF with or without PRES were recruited in the current retrospective case-control study. Patient data taken prior to the onset of PRES in patients with CRF and PRES (n=21) were collected and analyzed. At the same time, data from patients with CRF but without PRES (n=21) were also analyzed. Brain magnetic resonance imaging (MRI) scans were collected from patients in the PRES group. The mean blood pressure of patients in the PRES group was significantly higher than that of the control group (systolic blood pressure: 172±15 mmHg vs. 135±14 mmHg, P<0.01; diastolic blood pressure: 95±16 mmHg vs. 64±13 mmHg, P<0.01). Furthermore, compared with the control group, mean serum albumin (Alb) and hemoglobin (Hb) concentrations in the PRES group were significantly lower (Alb: 29.1±5.3 g/l vs. 34.6±6.1 g/l, P=0.001; Hb: 74±16 g/l vs. 89±28 g/l, P=0.037). By contrast, mean LDH concentration was significantly higher in the PRES group (LDH: 336±141 U/l vs. 235±89 U/l, P=0.004). In the PRES group, 24 h urine volume was significantly lower in the PRES group than in the control group (24 h urine volume: 651±520 ml vs. 982±518 ml, P=0.046). No significant differences in levels of serum potassium (4.5±0.6 mmol/l vs. 4.4±0.5 mmol/l, P=0.377), sodium (138.3±4.9 mmol/l vs. 139.0±6.8 mmol/l, P=0.325), calcium (2.0±0.24 mmol/l vs. 1.9±0.24 mmol/l, P=0.673), alanine aminotransferase; (24±14 U/l vs. 18±8 U/l, P=0.975); aspartate aminotransferase (29±11 U/l vs. 24±9 U/l, P=0.619) and uric acid (448±148 µmol/l vs. 378±116 µmol/l, P=0.599) were found between the two groups. PRES is a relatively common nervous system complication arising in patients with CRF. Certain biochemical markers, including Hb and Alb, may be associated with PRES. Diagnosing PRES is difficult as computed tomography (CT) brain scans may be normal and MRI scans, which are more sensitive than CT scans at diagnosing PRES, are not always performed in patients with CRF. Thus, brain MRI scans should be taken first in such patients when PRES is suspected.
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Affiliation(s)
- Hongtao Hu
- Department of Nephrology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Shen Xu
- Department of Nephrology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Shuang Hu
- Department of Nephrology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Weijia Xu
- Department of Nephrology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China.,Department of Nephrology, Taihe Hospital, Shiyan, Hubei 442000, P.R. China
| | - Hua Shui
- Department of Nephrology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
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