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Huang J, Fang Y, Wu R, Xia T, Wang X, Jia J, Wang G. All-trans retinoic acid acts as a dual-purpose inhibitor of SARS-CoV-2 infection and inflammation. Comput Biol Med 2024; 169:107942. [PMID: 38183702 DOI: 10.1016/j.compbiomed.2024.107942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/16/2023] [Accepted: 01/01/2024] [Indexed: 01/08/2024]
Abstract
Coronavirus disease 2019 (COVID-19) was an epidemic that effected human health caused by SARS-CoV-2 infection. All-trans retinoic acid (ATRA) has anti-inflammatory capability. In this article, we evaluated the effectiveness and revealed the molecular mechanism of ATRA for treating SARS-CoV-2 using deep learning, in vitro studies, multi-scale molecular modeling, and network pharmacology. The DeepDTA model suggested that ATRA would be effective against COVID-19. In vitro studies confirmed the antiviral activity of ATRA. Subsequently, multi-scale molecular modeling indicated that ATRA could binding to angiotensin converting enzyme 2 (ACE2), 3C-like protease (3CLpro), RNA dependent RNA polymerase (RdRp), helicase, and 3'-to-5' exonuclease by non-covalent interactions. Additionally, network pharmacology suggested that ATRA alleviated inflammatory response by regulating the IL-17 signaling pathway and binding with TNF, PTGS2, and MAPK1 directly. In summary, our findings provide the first evidence that ATRA suppresses the entry and replication of SARS-CoV-2, and regulates inflammatory response of host cells.
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Affiliation(s)
- Juanjuan Huang
- Department of Pathogen Biology, The Key Laboratory of Zoonosis, Chinese Ministry of Education, College of Basic Medicine, Jilin University, Changchun, 130021, China; Department of Computational Mathematics, School of Mathematics, Jilin University, Changchun, 130012, China
| | - Yabo Fang
- Department of Computational Mathematics, School of Mathematics, Jilin University, Changchun, 130012, China
| | - Runze Wu
- Department of Probability Statistics and Data Science, School of Mathematics, Jilin University, Changchun, 130012, China
| | - Tingzheng Xia
- Department of Pathogen Biology, The Key Laboratory of Zoonosis, Chinese Ministry of Education, College of Basic Medicine, Jilin University, Changchun, 130021, China
| | - Xuan Wang
- Department of Pathogen Biology, The Key Laboratory of Zoonosis, Chinese Ministry of Education, College of Basic Medicine, Jilin University, Changchun, 130021, China
| | - Jiwei Jia
- Department of Computational Mathematics, School of Mathematics, Jilin University, Changchun, 130012, China; Jilin National Applied Mathematical Center, Jilin University, Changchun, 130012, China.
| | - Guoqing Wang
- Department of Pathogen Biology, The Key Laboratory of Zoonosis, Chinese Ministry of Education, College of Basic Medicine, Jilin University, Changchun, 130021, China.
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2
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Buchynskyi M, Oksenych V, Kamyshna I, Vari SG, Kamyshnyi A. Genetic Predictors of Comorbid Course of COVID-19 and MAFLD: A Comprehensive Analysis. Viruses 2023; 15:1724. [PMID: 37632067 PMCID: PMC10459448 DOI: 10.3390/v15081724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 07/26/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023] Open
Abstract
Metabolic-associated fatty liver disease (MAFLD) and its potential impact on the severity of COVID-19 have gained significant attention during the pandemic. This review aimed to explore the genetic determinants associated with MAFLD, previously recognized as non-alcoholic fatty liver disease (NAFLD), and their potential influence on COVID-19 outcomes. Various genetic polymorphisms, including PNPLA3 (rs738409), GCKR (rs780094), TM6SF2 (rs58542926), and LYPLAL1 (rs12137855), have been investigated in relation to MAFLD susceptibility and progression. Genome-wide association studies and meta-analyses have revealed associations between these genetic variants and MAFLD risk, as well as their effects on lipid metabolism, glucose regulation, and liver function. Furthermore, emerging evidence suggests a possible connection between these MAFLD-associated polymorphisms and the severity of COVID-19. Studies exploring the association between indicated genetic variants and COVID-19 outcomes have shown conflicting results. Some studies observed a potential protective effect of certain variants against severe COVID-19, while others reported no significant associations. This review highlights the importance of understanding the genetic determinants of MAFLD and its potential implications for COVID-19 outcomes. Further research is needed to elucidate the precise mechanisms linking these genetic variants to disease severity and to develop gene profiling tools for the early prediction of COVID-19 outcomes. If confirmed as determinants of disease severity, these genetic polymorphisms could aid in the identification of high-risk individuals and in improving the management of COVID-19.
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Affiliation(s)
- Mykhailo Buchynskyi
- Department of Microbiology, Virology, and Immunology, I. Horbachevsky Ternopil National Medical University, 46001 Ternopil, Ukraine
| | - Valentyn Oksenych
- Broegelmann Research Laboratory, Department of Clinical Science, University of Bergen, 5020 Bergen, Norway
| | - Iryna Kamyshna
- Department of Medical Rehabilitation, I. Horbachevsky Ternopil National Medical University, 46001 Ternopil, Ukraine
| | - Sandor G. Vari
- International Research and Innovation in Medicine Program, Cedars–Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Aleksandr Kamyshnyi
- Department of Microbiology, Virology, and Immunology, I. Horbachevsky Ternopil National Medical University, 46001 Ternopil, Ukraine
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Zhu X, Trimarco JD, Williams CA, Barrera A, Reddy TE, Heaton NS. ZBTB7A promotes virus-host homeostasis during human coronavirus 229E infection. Cell Rep 2022; 41:111540. [PMID: 36243002 PMCID: PMC9533670 DOI: 10.1016/j.celrep.2022.111540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 08/24/2022] [Accepted: 09/29/2022] [Indexed: 11/22/2022] Open
Abstract
The cellular fate after infection with human coronaviruses (HCoVs) is typically death. Previous data suggest, however, that the transcriptional state of an individual cell may sometimes allow additional outcomes of infection. Here, to probe the range of interactions a permissive cell type can have with a HCoV, we perform a CRISPR activation screen with HCoV-229E. The screen identified the transcription factor ZBTB7A, which strongly promotes cell survival after infection. Rather than suppressing viral infection, ZBTB7A upregulation allows the virus to induce a persistent infection and homeostatic state with the cell. We also find that control of oxidative stress is a primary driver of cellular survival during HCoV-229E infection. These data illustrate that, in addition to the nature of the infecting virus and the type of cell that it encounters, the cellular gene expression profile prior to infection can affect the eventual fate.
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Affiliation(s)
- Xinyu Zhu
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC, USA
| | - Joseph D. Trimarco
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC, USA
| | - Courtney A. Williams
- Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, NC, USA,Center for Genomic and Computational Biology, Duke University, Durham, NC, USA,Center for Advanced Genomic Technologies, Duke University, Durham, NC, USA
| | - Alejandro Barrera
- Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, NC, USA,Center for Genomic and Computational Biology, Duke University, Durham, NC, USA,Center for Advanced Genomic Technologies, Duke University, Durham, NC, USA
| | - Timothy E. Reddy
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC, USA,Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, NC, USA,Center for Genomic and Computational Biology, Duke University, Durham, NC, USA,Center for Advanced Genomic Technologies, Duke University, Durham, NC, USA,Department of Biomedical Engineering, Duke University, Durham, NC, USA
| | - Nicholas S. Heaton
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC, USA,Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC, USA,Corresponding author
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RodanSarohan A, Akelma H, Araç E, Aslan Ö, Cen O. Retinol Depletion in COVID-19. CLINICAL NUTRITION OPEN SCIENCE 2022; 43:85-94. [PMID: 35664529 PMCID: PMC9142171 DOI: 10.1016/j.nutos.2022.05.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Accepted: 05/23/2022] [Indexed: 11/30/2022] Open
Abstract
Background and aims COVID-19 has been a devastating pandemic. There are indications that vitamin A is depleted during infections. Vitamin A is important in development and immune homeostasis. It has been used successfully in measles, RSV and AIDS infections. In this study, we aimed to measure the serum retinol levels in severe COVID-19 patients to assess the importance of vitamin A in the COVID-19 pathogenesis. Methods The serum retinol level was measured in two groups of patients: the COVID-19 group, which consisted of 27 severe COVID-19 patients hospitalized in the intensive care unit with respiratory failure, and the control group, which consisted of 23 patients without COVID-19 symptoms. Results The mean serum retinol levels were 0.37 mg/L in the COVID-19 group and 0.52 mg/L in the control group. The difference between the serum retinol levels in the two groups was statistically significant. There was no significant difference in retinol levels between different ages and genders within the COVID-19 group. Comorbidity did not affect serum retinol levels. Conclusion The serum retinol level was significantly lower in patients with severe COVID-19, and this difference was independent of age or underlying comorbidity. Our data show that retinol and retinoic acid signaling might be important in immunopathogenesis of COVID-19.
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Midha IK, Kumar N, Kumar A, Madan T. Mega doses of retinol: A possible immunomodulation in Covid-19 illness in resource-limited settings. Rev Med Virol 2021; 31:1-14. [PMID: 33382930 PMCID: PMC7883262 DOI: 10.1002/rmv.2204] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/30/2020] [Accepted: 12/01/2020] [Indexed: 12/13/2022]
Abstract
Of all the nutrients, vitamin A has been the most extensively evaluated for its impact on immunity. There are three main forms of vitamin A, retinol, retinal and retinoic acid (RA) with the latter being most biologically active and all-trans-RA (ATRA) its main derivative. Vitamin A is a key regulator of the functions of various innate and adaptive immune cells and promotes immune-homeostasis. Importantly, it augments the interferon-based innate immune response to RNA viruses decreasing RNA virus replication. Several clinical trials report decreased mortality in measles and Ebola with vitamin A supplementation.During the Covid-19 pandemic interventions such as convalescent plasma, antivirals, monoclonal antibodies and immunomodulator drugs have been tried but most of them are difficult to implement in resource-limited settings. The current review explores the possibility of mega dose vitamin A as an affordable adjunct therapy for Covid-19 illness with minimal reversible side effects. Insight is provided into the effect of vitamin A on ACE-2 expression in the respiratory tract and its association with the prognosis of Covid-19 patients. Vitamin A supplementation may aid the generation of protective immune response to Covid-19 vaccines. An overview of the dosage and safety profile of vitamin A is presented along with recommended doses for prophylactic/therapeutic use in randomised controlled trials in Covid-19 patients.
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Affiliation(s)
| | | | - Amit Kumar
- Dwight D. Eisenhower VA Medical CenterLeavenworthKansasUSA
| | - Taruna Madan
- Department of Innate ImmunityICMR‐National Institute for Research in Reproductive HealthMumbaiIndia
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Kumar P, Kumar M, Bedi O, Gupta M, Kumar S, Jaiswal G, Rahi V, Yedke NG, Bijalwan A, Sharma S, Jamwal S. Role of vitamins and minerals as immunity boosters in COVID-19. Inflammopharmacology 2021; 29:1001-1016. [PMID: 34110533 PMCID: PMC8190991 DOI: 10.1007/s10787-021-00826-7] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 05/29/2021] [Indexed: 12/13/2022]
Abstract
Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) known as coronavirus disease (COVID-19), emerged in Wuhan, China, in December 2019. On March 11, 2020, it was declared a global pandemic. As the world grapples with COVID-19 and the paucity of clinically meaningful therapies, attention has been shifted to modalities that may aid in immune system strengthening. Taking into consideration that the COVID-19 infection strongly affects the immune system via multiple inflammatory responses, pharmaceutical companies are working to develop targeted drugs and vaccines against SARS-CoV-2 COVID-19. A balanced nutritional diet may play an essential role in maintaining general wellbeing by controlling chronic infectious diseases. A balanced diet including vitamin A, B, C, D, E, and K, and some micronutrients such as zinc, sodium, potassium, calcium, chloride, and phosphorus may be beneficial in various infectious diseases. This study aimed to discuss and present recent data regarding the role of vitamins and minerals in the treatment of COVID-19. A deficiency of these vitamins and minerals in the plasma concentration may lead to a reduction in the good performance of the immune system, which is one of the constituents that lead to a poor immune state. This is a narrative review concerning the features of the COVID-19 and data related to the usage of vitamins and minerals as preventive measures to decrease the morbidity and mortality rate in patients with COVID-19.
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Affiliation(s)
- Puneet Kumar
- Department of Pharmacology, Central University of Punjab, Ghudda-151401, Bathinda, Punjab, India.
| | - Mandeep Kumar
- Department of Pharmacology and Toxicology, University of Genoa, Genoa, Italy
| | - Onkar Bedi
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Manisha Gupta
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Sachin Kumar
- Department of Pharmaceutical Sciences and Technology, Maharaja Ranjit Singh Punjab Technical University, Bathinda, India
| | - Gagandeep Jaiswal
- Department of Pharmaceutical Sciences and Technology, Maharaja Ranjit Singh Punjab Technical University, Bathinda, India
| | - Vikrant Rahi
- Department of Pharmaceutical Sciences and Technology, Maharaja Ranjit Singh Punjab Technical University, Bathinda, India
| | - Narhari Gangaram Yedke
- Department of Pharmaceutical Sciences and Technology, Maharaja Ranjit Singh Punjab Technical University, Bathinda, India
| | - Anjali Bijalwan
- Department of Pharmacology, Central University of Punjab, Ghudda-151401, Bathinda, Punjab, India
| | - Shubham Sharma
- Department of Pharmacology, Central University of Punjab, Ghudda-151401, Bathinda, Punjab, India
| | - Sumit Jamwal
- Department of Psychiatry, Yale School of Medicine, Yale University, New Haven, CT, 06511, USA
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Innes H, Buch S, Barnes E, Hampe J, Marjot T, Stickel F. The rs738409 G Allele in PNPLA3 Is Associated With a Reduced Risk of COVID-19 Mortality and Hospitalization. Gastroenterology 2021; 160:2599-2601.e2. [PMID: 33652012 PMCID: PMC7912355 DOI: 10.1053/j.gastro.2021.02.059] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 02/22/2021] [Accepted: 02/25/2021] [Indexed: 12/26/2022]
Affiliation(s)
- Hamish Innes
- School of Health and Life Sciences, Glasgow Caledonian University, Glasgow, United Kingdom; Division of Epidemiology and Public Health, School of Medicine, University of Nottingham, Nottingham, United Kingdom; Public Health Scotland, Glasgow, United Kingdom.
| | - Stephan Buch
- Medical Department 1, University Hospital Dresden, Technical University of Dresden, Dresden, Germany
| | - Eleanor Barnes
- Peter Medawar Building for Pathogen Research, Nuffield Department of Medicine, Oxford University, Oxford, United Kingdom; Oxford NIHR Biomedical Research Centre, Oxford University, Oxford, United Kingdom
| | - Jochen Hampe
- Medical Department 1, University Hospital Dresden, Technical University of Dresden, Dresden, Germany
| | - Thomas Marjot
- Oxford Liver Unit, Translational Gastroenterology Unit, Oxford University Hospitals National Health Service Foundation Trust, University of Oxford, Oxford, United Kingdom
| | - Felix Stickel
- Department of Gastroenterology and Hepatology, University Hospital of Zurich, Zurich, Switzerland
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Lotfi F, Akbarzadeh-Khiavi M, Lotfi Z, Rahbarnia L, Safary A, Zarredar H, Baghbanzadeh A, Naghili B, Baradaran B. Micronutrient therapy and effective immune response: a promising approach for management of COVID-19. Infection 2021; 49:1133-1147. [PMID: 34160789 PMCID: PMC8220424 DOI: 10.1007/s15010-021-01644-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Accepted: 06/16/2021] [Indexed: 02/06/2023]
Abstract
The escalating prevalence of coronavirus disease 2019 (COVID-19) worldwide, with an increased rate of morbidity and mortality, highlights an urgent need to develop more effective therapeutic interventions. Despite the authorized treatment against COVID-19 by the European Union (EU), the safety and effectiveness of this therapeutic strategy for a wide variety of patients have remained a significant challenge. In this respect, micronutrients such as vitamins and minerals, as essential factors, can be considered for improving the function of the immune system and accelerating the treatment procedure. Dietary supplements can attenuate vascular and inflammatory manifestations related to infectious diseases in large part due to their anti-inflammatory and antioxidant properties. Recently, it has been revealed that poor nutritional status may be one of the notable risk factors in severe COVID-19 infections. In the current review, we focus on the micronutrient therapy of COVID-19 patients and provide a comprehensive insight into the essential vitamins/minerals and their role in controlling the severity of the COVID-19 infection. We also discuss the recent advancements, challenges, negative and positive outcomes in relevance to this approach.
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Affiliation(s)
- Fariba Lotfi
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, P.O. Box 5163639888, Tabriz, Iran
| | - Mostafa Akbarzadeh-Khiavi
- Liver and Gastrointestinal Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran ,Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, P.O. Box 5165665811, Tabriz, Iran
| | - Ziba Lotfi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Leila Rahbarnia
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, P.O. Box 5163639888, Tabriz, Iran
| | - Azam Safary
- Connective Tissue Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Habib Zarredar
- Tuberculosis and Lung Diseases Research Center, Tabriz University of Medical Science, Tabriz, Iran
| | - Amir Baghbanzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behrooz Naghili
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, P.O. Box 5163639888, Tabriz, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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9
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Trasino SE. A role for retinoids in the treatment of COVID-19? Clin Exp Pharmacol Physiol 2020; 47:1765-1767. [PMID: 32459003 DOI: 10.1111/1440-1681.13354] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 05/19/2020] [Indexed: 12/12/2022]
Abstract
The 2020 global outbreak of the novel coronavirus (SARS-CoV-2 or COVID-19) is a serious threat to international health, and thus, there is an urgent need for discovery of novel therapies or use of repurposed drugs that can make a significant impact on slowing the spread of the virus. Type 1 interferons (IFN-I) are a family cytokines of the early innate immune response to viruses that are being tested against SARS-CoV-2. However, coronaviruses similar to SARS-CoV-2 can suppress host IFN-I antiviral responses. Retinoids are a family molecules related to vitamin A that possess robust immune-modulating properties, including the ability to increase and potentiate the actions of IFN-I. Therefore, adjuvants such as retinoids, capable of increasing IFN-I-mediated antiviral responses, should be tested in combinations of IFN-I and antiviral drugs in pre-clinical studies of SARS-CoV-2.
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Affiliation(s)
- Steven E Trasino
- School of Urban Public Health, Hunter College, City University of New York, New York, NY, USA
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10
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Nuphar lutea Extracts Exhibit Anti-Viral Activity against the Measles Virus. Molecules 2020; 25:molecules25071657. [PMID: 32260270 PMCID: PMC7180909 DOI: 10.3390/molecules25071657] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 03/22/2020] [Accepted: 04/02/2020] [Indexed: 02/06/2023] Open
Abstract
Different parts of Nuphar lutea L. (yellow water lily) have been used to treat several inflammatory and pathogen-related diseases. It has shown that Nuphar lutea extracts (NUP) are active against various pathogens including bacteria, fungi, and leishmanial parasites. In an effort to detect novel therapeutic agents against negative-stranded RNA (- RNA) viruses, we have tested the effect of a partially-purified alkaloid mixture of Nuphar lutea leaves on the measles virus (MV). The MV vaccine’s Edmonston strain was used to acutely or persistently infect cells. The levels of several MV proteins were detected by a Western blot and immunocytochemistry. Viral RNAs were quantitated by qRT-PCR. Virus infectivity was monitored by infecting African green monkey kidney VERO cells’ monolayers. We showed that NUP protected cells from acute infection. Decreases in the MV P-, N-, and V-proteins were observed in persistently infected cells and the amount of infective virus released was reduced as compared to untreated cells. By examining viral RNAs, we suggest that NUP acts at the post-transcriptional level. We conclude, as a proof of concept, that NUP has anti-viral therapeutic activity against the MV. Future studies will determine the mechanism of action and the effect of NUP on other related viruses.
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Ferren M, Horvat B, Mathieu C. Measles Encephalitis: Towards New Therapeutics. Viruses 2019; 11:E1017. [PMID: 31684034 PMCID: PMC6893791 DOI: 10.3390/v11111017] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 10/25/2019] [Accepted: 10/31/2019] [Indexed: 12/20/2022] Open
Abstract
Measles remains a major cause of morbidity and mortality worldwide among vaccine preventable diseases. Recent decline in vaccination coverage resulted in re-emergence of measles outbreaks. Measles virus (MeV) infection causes an acute systemic disease, associated in certain cases with central nervous system (CNS) infection leading to lethal neurological disease. Early following MeV infection some patients develop acute post-infectious measles encephalitis (APME), which is not associated with direct infection of the brain. MeV can also infect the CNS and cause sub-acute sclerosing panencephalitis (SSPE) in immunocompetent people or measles inclusion-body encephalitis (MIBE) in immunocompromised patients. To date, cellular and molecular mechanisms governing CNS invasion are still poorly understood. Moreover, the known MeV entry receptors are not expressed in the CNS and how MeV enters and spreads in the brain is not fully understood. Different antiviral treatments have been tested and validated in vitro, ex vivo and in vivo, mainly in small animal models. Most treatments have high efficacy at preventing infection but their effectiveness after CNS manifestations remains to be evaluated. This review describes MeV neural infection and current most advanced therapeutic approaches potentially applicable to treat MeV CNS infection.
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Affiliation(s)
- Marion Ferren
- CIRI, International Center for Infectiology Research, INSERM U1111, University of Lyon, University Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, France.
| | - Branka Horvat
- CIRI, International Center for Infectiology Research, INSERM U1111, University of Lyon, University Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, France.
| | - Cyrille Mathieu
- CIRI, International Center for Infectiology Research, INSERM U1111, University of Lyon, University Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, France.
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12
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Identification of Retinoic Acid Receptor Agonists as Potent Hepatitis B Virus Inhibitors via a Drug Repurposing Screen. Antimicrob Agents Chemother 2018; 62:AAC.00465-18. [PMID: 30224536 DOI: 10.1128/aac.00465-18] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Accepted: 06/05/2018] [Indexed: 12/14/2022] Open
Abstract
Currently available therapies for chronic hepatitis B virus (HBV) infection can efficiently reduce viremia but induce hepatitis B surface antigen (HBsAg) loss in very few patients; also, these therapies do not greatly affect the viral covalently closed circular DNA (cccDNA). To discover new agents with complementary anti-HBV effects, we performed a drug repurposing screen of 1,018 Food and Drug Administration (FDA)-approved compounds using HBV-infected primary human hepatocytes (PHH). Several compounds belonging to the family of retinoic acid receptor (RAR) agonists were identified that reduced HBsAg levels in a dose-dependent manner without significant cytotoxicity. Among them, tazarotene exhibited the most potent anti-HBV effect, with a half-maximal inhibitory concentration (IC50) for HBsAg of less than 30 nM in PHH. The inhibitory effect was also observed in HBV-infected differentiated HepaRG (dHepaRG) models, but not in HepG2.215 cells, and HBV genotypes A to D were similarly inhibited. Tazarotene was further demonstrated to repress HBV cccDNA transcription, as determined by the levels of HBV cccDNA and RNAs and the activation of HBV promoters. Moreover, RNA sequence analysis showed that tazarotene did not induce an interferon response but altered the expression of a number of genes associated with RAR and metabolic pathways. Inhibition of RARβ, but not RARα, by a specific antagonist significantly attenuated the anti-HBV activity of tazarotene, suggesting that tazarotene inhibits HBV in part through RARβ. Finally, a synergistic effect of tazarotene and entecavir on HBV DNA levels was observed. Therefore, RAR agonists as represented by tazarotene were identified as potential novel anti-HBV agents.
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Zhao Y, Yu B, Mao X, He J, Huang Z, Zheng P, Yu J, Han G, Liang X, Chen D. Effect of 25-hydroxyvitamin D3 on rotavirus replication and gene expressions of RIG-I signalling molecule in porcine rotavirus-infected IPEC-J2 cells. Arch Anim Nutr 2015; 69:227-35. [PMID: 25897656 DOI: 10.1080/1745039x.2015.1034522] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The study evaluated whether a 25-hydroxyvitamin D3 (25D3) supplementation decreases the replication of rotavirus by the retinoic acid-inducible gene I (RIG-I) signalling pathway in a porcine small intestinal epithelial cell line (IPEC-J2). The results show that IPEC-J2 cells express high baseline levels of 1α-hydroxylase (CYP27B1), which converts inactive 25D3 to the active 1,25-dihydroxyvitamin D3 (1,25D3). Porcine rotavirus (PRV) infection alone resulted in a significant increase in CYP27B1 mRNA, which augmented the production of active vitamin D. Physiological concentrations of 25D3 were found to decrease PRV replication in IPEC-J2 cells. RIG-I plays an important role in the recognition of double-stranded RNA virus by host cells. Upon recognition, RIG-I triggers a series of signalling molecules such as interferon-β (IFN-β) promoter stimulator 1 (IPS-1) leading to the expression of type I interferons (IFN-β). Active 25D3 that was generated by PRV-infected IPEC-J2 cells led to an increased expression of toll-like receptors 3 (TLR3), RIG-I, IPS-1, IFN-β and IFN-stimulated genes 15 (ISG15) with important innate immune functions. Inhibiting CYP27B1 also failed to increase RIG-I, IPS-1, IFN-β and ISG15 mRNA expression. These observations suggest that 25D3 can directly inhibit PRV in IPEC-J2 cells, which requires this active form of vitamin D. The anti-rotavirus effect of 25D3 is mediated at least in part by RIG-I signalling pathways in IPEC-J2 cells.
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Affiliation(s)
- Ye Zhao
- a College of Animal Science and Technology , Sichuan Agricultural University , Ya'an , P.R. China
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Abstract
Our previous studies have shown that vitamin A (VA) status is associated with antiviral immunity and pathogenic conditions in enterovirus 71 (EV71)-infected children. In the present study, we established an in vitro model to investigate the effects and potential mechanism of the antiviral activity of VA. Human monocytic U937 cells were cultured in vitro and infected with EV71. All-trans-retinoic acid (ATRA), the active metabolite of VA, and Ro 41-5253, a retinoic acid receptor-α (RAR-α) antagonist, were used as the experimental treatment agents. The percentage of EV71-infected cells and apoptosis induced by EV71 were determined using flow cytometry. The level of interferon-α (IFN-α) in the supernatants of the cultures was detected using ELISA. The expression of retinoid-induced gene I (RIG-I) and its downstream genes was examined with real-time quantitative PCR. The results indicated that ATRA reduced the percentage of EV71-infected cells and protected cells against EV71-induced apoptosis. Correspondingly, ATRA increased the production of IFN-α one of the most important antiviral cytokines, at both mRNA and protein levels in EV71-infected cells. In addition, the expression of RIG-I mRNA and its downstream genes was up-regulated by ATRA in EV71-infected cells. Ro 41-5253 abrogated the inhibitory effects of ATRA on EV71. The present findings suggest that ATRA is an interferon-inducing agent with antiviral activity against EV71 in vitro and that its actions are mediated at least in part by RAR-α activity and the RIG-I signalling pathway.
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Tatlı B, Ekici B, Özmen M. Current therapies and future perspectives in subacute sclerosing panencephalitis. Expert Rev Neurother 2014; 12:485-92. [DOI: 10.1586/ern.12.21] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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16
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Soye KJ, Trottier C, Di Lenardo TZ, Restori KH, Reichman L, Miller WH, Ward BJ. In vitro inhibition of mumps virus by retinoids. Virol J 2013; 10:337. [PMID: 24225020 PMCID: PMC3829803 DOI: 10.1186/1743-422x-10-337] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2013] [Accepted: 10/30/2013] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Mumps virus (MuV) is a highly infectious paramyxovirus closely related to measles virus (MeV). Despite the availability of a mumps vaccine, outbreaks continue to occur and no treatment options are available. Vitamin A and other naturally occurring retinoids inhibit the replication of MeV in vitro. METHODS Anti-viral effects of retinoids were observed in cell culture using the myelomonocytic U937, NB4/R4, and Huh7/7.5 cells. Observations of anti-viral effect were quantified using TCID50 analysis. Molecular properties of the antiviral effect were analysed using quantitative RT-PCR and western blot. RESULTS The current work demonstrates that retinoids inhibit MuV in vitro due to up-regulation of type I interferon (IFN) and IFN stimulated genes. This effect is mediated by nuclear retinoid receptor signalling and RIG-I is required. The antiviral retinoid-induced state makes cells less permissive to viral replication from subsequent challenge with either MuV or MeV for less than 12 hours. CONCLUSIONS These results demonstrate that retinoids inhibit MuV replication in uninfected bystander cells through a retinoid inducible gene I (RIG-I), retinoic acid receptor (RAR) and IFN dependent manner making them refractory to subsequent rounds of viral replication. These observations raise the possibility that pharmacological doses of retinoids might have clinical benefit in MuV infection.
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Affiliation(s)
- Kaitlin J Soye
- Research Institute of the McGill University Health Center, Department of Infectious Diseases, McGill University, Montreal, Quebec, Canada
- Segal Cancer Centre, Lady Davis Institute for Medical Research, SMBD Jewish General Hospital, McGill University, Montreal, Quebec, Canada
| | - Claire Trottier
- Research Institute of the McGill University Health Center, Department of Infectious Diseases, McGill University, Montreal, Quebec, Canada
- Segal Cancer Centre, Lady Davis Institute for Medical Research, SMBD Jewish General Hospital, McGill University, Montreal, Quebec, Canada
| | - Thomas Z Di Lenardo
- Research Institute of the McGill University Health Center, Department of Infectious Diseases, McGill University, Montreal, Quebec, Canada
- Segal Cancer Centre, Lady Davis Institute for Medical Research, SMBD Jewish General Hospital, McGill University, Montreal, Quebec, Canada
| | - Katherine H Restori
- Research Institute of the McGill University Health Center, Department of Infectious Diseases, McGill University, Montreal, Quebec, Canada
- Segal Cancer Centre, Lady Davis Institute for Medical Research, SMBD Jewish General Hospital, McGill University, Montreal, Quebec, Canada
| | - Lee Reichman
- Research Institute of the McGill University Health Center, Department of Infectious Diseases, McGill University, Montreal, Quebec, Canada
| | - Wilson H Miller
- Segal Cancer Centre, Lady Davis Institute for Medical Research, SMBD Jewish General Hospital, McGill University, Montreal, Quebec, Canada
| | - Brian J Ward
- Research Institute of the McGill University Health Center, Department of Infectious Diseases, McGill University, Montreal, Quebec, Canada
- Montreal General Hospital, 1650 Cedar Ave., Room L10-309, Montreal, Quebec H3G 1A4, Canada
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Soye KJ, Trottier C, Richardson CD, Ward BJ, Miller WH. RIG-I is required for the inhibition of measles virus by retinoids. PLoS One 2011; 6:e22323. [PMID: 21811588 PMCID: PMC3139622 DOI: 10.1371/journal.pone.0022323] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2011] [Accepted: 06/24/2011] [Indexed: 12/17/2022] Open
Abstract
Vitamin A can significantly decrease measles-associated morbidity and mortality. Vitamin A can inhibit the replication of measles virus (MeV) in vitro through an RARα- and type I interferon (IFN)-dependent mechanism. Retinoid-induced gene I (RIG-I) expression is induced by retinoids, activated by MeV RNA and is important for IFN signaling. We hypothesized that RIG-I is central to retinoid-mediated inhibition of MeV in vitro. We demonstrate that RIG-I expression is increased in cells treated with retinoids and infected with MeV. The central role of RIG-I in the retinoid-anti-MeV effect was demonstrated in the Huh-7/7.5 model; the latter cells having non-functional RIG-I. RAR-dependent retinoid signaling was required for the induction of RIG-I by retinoids and MeV. Retinoid signaling was also found to act in combination with IFN to induce high levels of RIG-I expression. RIG-I promoter activation required both retinoids and MeV, as indicated by markers of active chromatin. IRF-1 is known to be regulated by retinoids and MeV, but we found recruitment of IRF-1 to the RIG-I promoter by retinoids alone. Using luciferase expression constructs, we further demonstrated that the IRF-1 response element of RIG-I was required for RIG-I activation by retinoids or IFN. These results reveal that retinoid treatment and MeV infection induces significant RIG-I. RIG-I is required for the retinoid-MeV antiviral response. The induction is dependent on IFN, retinoids and IRF-1.
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Affiliation(s)
- Kaitlin J. Soye
- McGill University Health Center Research Institute, Department of Infectious Diseases, McGill University, Montreal, Quebec, Canada
- Segal Cancer Centre, Lady Davis Institute for Medical Research, SMBD Jewish General Hospital, McGill University, Montreal, Quebec, Canada
| | - Claire Trottier
- McGill University Health Center Research Institute, Department of Infectious Diseases, McGill University, Montreal, Quebec, Canada
- Segal Cancer Centre, Lady Davis Institute for Medical Research, SMBD Jewish General Hospital, McGill University, Montreal, Quebec, Canada
| | - Chris D. Richardson
- Department of Microbiology & Immunology, Dalhousie University, Halifax, Nova Scotia
| | - Brian J. Ward
- McGill University Health Center Research Institute, Department of Infectious Diseases, McGill University, Montreal, Quebec, Canada
| | - Wilson H. Miller
- Segal Cancer Centre, Lady Davis Institute for Medical Research, SMBD Jewish General Hospital, McGill University, Montreal, Quebec, Canada
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Measles virus infection of the CNS: human disease, animal models, and approaches to therapy. Med Microbiol Immunol 2010; 199:261-71. [PMID: 20390298 DOI: 10.1007/s00430-010-0153-2] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2010] [Indexed: 01/13/2023]
Abstract
Viral infections of the central nervous system(CNS) mostly represent clinically important, often life-threatening complications of systemic viral infections. After acute measles, CNS complications may occur early (acute postinfectious measles encephalitis, APME) or after years of viral persistence (subacute sclerosing panencephalitis, SSPE). In spite of a presumably functional cell-mediated immunity and high antiviral antibody titers, an immunological control of the CNS infection is not achieved in patients suffering from SSPE. There is still no specific therapy for acute complications and persistent MV infections of the CNS. Hamsters, rats, and (genetically unmodified and modified) mice have been used as model systems to study mechanisms of MV-induced CNS infections. Functional CD4+ and CD8+ T cells together with IFN-gamma are required to overcome the infection. With the help of recombinant measles viruses and mice expressing endogenous or transgenic receptors, interesting aspects such as receptor-dependent viral spread and viral determinants of virulence have been investigated. However, many questions concerning the lack of efficient immune control in the CNS are still open. Recent research opened new perspectives using specific antivirals such as short interfering RNA (siRNA) or small molecule inhibitors. Inspite of obvious hurdles, these treatments are the most promising approaches to future therapies.
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Pringproa K, Rohn K, Kummerfeld M, Wewetzer K, Baumgärtner W. Theiler's murine encephalomyelitis virus preferentially infects immature stages of the murine oligodendrocyte precursor cell line BO-1 and blocks oligodendrocytic differentiation in vitro. Brain Res 2010; 1327:24-37. [PMID: 20206147 DOI: 10.1016/j.brainres.2010.02.068] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2009] [Revised: 02/15/2010] [Accepted: 02/23/2010] [Indexed: 11/29/2022]
Abstract
Theiler's murine encephalomyelitis virus (TMEV)-induced demyelination is an important animal model for multiple sclerosis. The presence of oligodendrocyte precursor cells (OPCs) within demyelinated lesions together with the limited extent of remyelination has raised the question of how OPCs are affected by TMEV. It is well established that oligodendrocytes, astrocytes and microglia are targets during the chronic phase of the disease. However, whether TMEV infection interferes with the capacity of OPCs to generate oligodendrocytes has remained unclear. In the present study, a bipotential murine OPC cell line termed BO-1 was used to determine the antigenic phenotype susceptible to TMEV and the impact of TMEV infection upon cell differentiation. We show here that retinoic acid increased oligodendrocytic differentiation and decreased proliferation and TMEV infection rates. TMEV under serum-free conditions infected about 75% and 60% of early OPCs (NG2(+) and A2B5(+)) and immature oligodendrocytes (CNPase(+)), respectively, but only approximately 18% of mature oligodendrocytes (MBP(+)). Infection with TMEV prior to application of retinoic acid significantly reduced the percentage of MBP(+) BO-1 cells. These data demonstrate that TMEV preferentially infects early stages of the oligodendrocytic lineage and blocks oligodendrocyte maturation. The first demonstration of TMEV-mediated effects on OPC differentiation may shed new light on the pathogenesis of TMEV-induced demyelination and offers an explanation for the limited remyelination observed in vivo.
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Affiliation(s)
- Kidsadagon Pringproa
- Department of Pathology, University of Veterinary Medicine Hannover, D-30559 Hannover, Germany
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Trottier C, Colombo M, Mann KK, Miller WH, Ward BJ. Retinoids inhibit measles virus through a type I IFN-dependent bystander effect. FASEB J 2009; 23:3203-12. [PMID: 19447880 DOI: 10.1096/fj.09-129288] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Measles-associated mortality can be decreased in response to treatment with vitamin A. Our goal was to understand the mechanism by which vitamin A and other retinoids reduce measles virus (MeV) replication in vitro. MeV is known to inhibit type I interferon (IFN) signaling, and retinoids are increasingly implicated in modulating innate immunity. Type I IFN blocking antibodies abrogated the inhibitory effects of all-trans retinoic acid (ATRA) on MeV replication (EC(50) of ATRA: 3.17 x 10(-8) M). IFN-stimulated genes (ISGs) are up-regulated by ATRA in MeV-infected U937 cell cultures starting at 12 h and reaching a plateau at 24 h postinfection when compared to either treatment or infection alone. We found that this increased gene expression occurs in uninfected cells by using a transwell system where the uninfected cells were separated from infected cells by a membrane with 0.02-muM pores. Uninfected bystander cells from the ATRA-treated transwells did not support substantial viral replication when subsequently infected with MeV. In the absence of ATRA, the cells from the uninfected chamber did not up-regulate ISG expression and were not protected from subsequent challenge with virus. These results demonstrate that retinoids inhibit MeV replication by up-regulating elements of the innate immune response in uninfected bystander cells, making them refractory to productive infection during subsequent rounds of viral replication.
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Affiliation(s)
- Claire Trottier
- Department of Infectious Diseases, McGill University Health Center Research Institute, McGill University, Montreal, Quebec, Canada
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