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Pelz L, Dogra T, Marichal-Gallardo P, Hein MD, Hemissi G, Kupke SY, Genzel Y, Reichl U. Production of antiviral "OP7 chimera" defective interfering particles free of infectious virus. Appl Microbiol Biotechnol 2024; 108:97. [PMID: 38229300 DOI: 10.1007/s00253-023-12959-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 10/26/2023] [Accepted: 11/05/2023] [Indexed: 01/18/2024]
Abstract
Defective interfering particles (DIPs) of influenza A virus (IAV) are suggested for use as broad-spectrum antivirals. We discovered a new type of IAV DIP named "OP7" that carries point mutations in its genome segment (Seg) 7 instead of a deletion as in conventional DIPs (cDIPs). Recently, using genetic engineering tools, we generated "OP7 chimera DIPs" that carry point mutations in Seg 7 plus a deletion in Seg 1. Together with cDIPs, OP7 chimera DIPs were produced in shake flasks in the absence of infectious standard virus (STV), rendering UV inactivation unnecessary. However, only part of the virions harvested were OP7 chimera DIPs (78.7%) and total virus titers were relatively low. Here, we describe the establishment of an OP7 chimera DIP production process applicable for large-scale production. To increase total virus titers, we reduced temperature from 37 to 32 °C during virus replication. Production of almost pure OP7 chimera DIP preparations (99.7%) was achieved with a high titer of 3.24 log10(HAU/100 µL). This corresponded to an 11-fold increase relative to the initial process. Next, this process was transferred to a stirred tank bioreactor resulting in comparable yields. Moreover, DIP harvests purified and concentrated by steric exclusion chromatography displayed an increased interfering efficacy in vitro. Finally, a perfusion process with perfusion rate control was established, resulting in a 79-fold increase in total virus yields compared to the original batch process in shake flasks. Again, a very high purity of OP7 chimera DIPs was obtained. This process could thus be an excellent starting point for good manufacturing practice production of DIPs for use as antivirals. KEY POINTS: • Scalable cell culture-based process for highly effective antiviral OP7 chimera DIPs • Production of almost pure OP7 chimera DIPs in the absence of infectious virus • Perfusion mode production and purification train results in very high titers.
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Affiliation(s)
- Lars Pelz
- Max Planck Institute for Dynamics of Complex Technical Systems, Bioprocess Engineering, Magdeburg, Germany
| | - Tanya Dogra
- Max Planck Institute for Dynamics of Complex Technical Systems, Bioprocess Engineering, Magdeburg, Germany
| | - Pavel Marichal-Gallardo
- Max Planck Institute for Dynamics of Complex Technical Systems, Bioprocess Engineering, Magdeburg, Germany
| | - Marc Dominique Hein
- Otto Von Guericke University Magdeburg, Bioprocess Engineering, Magdeburg, Germany
| | - Ghada Hemissi
- Max Planck Institute for Dynamics of Complex Technical Systems, Bioprocess Engineering, Magdeburg, Germany
| | - Sascha Young Kupke
- Max Planck Institute for Dynamics of Complex Technical Systems, Bioprocess Engineering, Magdeburg, Germany.
| | - Yvonne Genzel
- Max Planck Institute for Dynamics of Complex Technical Systems, Bioprocess Engineering, Magdeburg, Germany.
| | - Udo Reichl
- Max Planck Institute for Dynamics of Complex Technical Systems, Bioprocess Engineering, Magdeburg, Germany
- Otto Von Guericke University Magdeburg, Bioprocess Engineering, Magdeburg, Germany
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Hubab M, Al-Ghouti MA. Recent advances and potential applications for metal-organic framework (MOFs) and MOFs-derived materials: Characterizations and antimicrobial activities. Biotechnol Rep (Amst) 2024; 42:e00837. [PMID: 38577654 PMCID: PMC10992724 DOI: 10.1016/j.btre.2024.e00837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 03/02/2024] [Accepted: 03/18/2024] [Indexed: 04/06/2024]
Abstract
Microbial infections, particularly those caused by antibiotic-resistant pathogens, pose a critical global health threat. Metal-Organic Frameworks (MOFs), porous crystalline structures built from metal ions and organic linkers, initially developed for gas adsorption, have emerged as promising alternatives to traditional antibiotics. This review, covering research up to 2023, explores the potential of MOFs and MOF-based materials as broad-spectrum antimicrobial agents against bacteria, viruses, fungi, and even parasites. It delves into the historical context of antimicrobial agents, recent advancements in MOF research, and the diverse synthesis techniques employed for their production. Furthermore, the review comprehensively analyzes the mechanisms of action by which MOFs combat various microbial threats. By highlighting the vast potential of MOFs, their diverse synthesis methods, and their effectiveness against various pathogens, this study underscores their potential as a novel solution to the growing challenge of antibiotic resistance.
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Affiliation(s)
- Muhammad Hubab
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, State of Qatar, Doha, P.O. Box: 2713, Qatar
| | - Mohammad A. Al-Ghouti
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, State of Qatar, Doha, P.O. Box: 2713, Qatar
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Jenkins A, Ahmed J, Bosworth A, Kidd IM, Osman H, Atabani SF. Stewardship: it's going viral. Infect Prev Pract 2024; 6:100356. [PMID: 38559367 PMCID: PMC10981105 DOI: 10.1016/j.infpip.2024.100356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 02/06/2024] [Indexed: 04/04/2024] Open
Abstract
Introduction Historically, antimicrobial stewardship (AMS) has considered the judicious use of antibiotics. AMS is widely adopted across Europe and the US; recently antifungal AMS is gaining momentum but antiviral AMS has been little described. Here we describe the introduction of AMS virology reviews at University Hospitals Birmingham (UHBFT); a novel concept and an opportunity to broaden the beneficial aspects of AMS to virology, termed anti-viral stewardship (AVS). Method In June 2022, a UK supply issue with aciclovir injection (ACV IV) was announced. In order to review and preserve parenteral ACV for those in greatest need, UHBFT pharmacist and virologists implemented a specialist review for patients prescribed more than 48 hours of treatment. This review initially lasted 10 weeks and data was collected on the advice offered, whether it was accepted, and time required completing the review. Results AVS rounds halved IV ACV consumption, compared to pre or post intervention levels, with more than half of patients advised to stop or switch to oral therapy. Diagnostics and sampling guidance was offered in one quarter of reviews, whilst the remaining interventions were more stewardship focused. In almost all cases stewardship advice was readily accepted by clinical teams. Due to positive feedback from clinicians and its effective management of supply, the anti-viral stewardship (AVS) programme was re-introduced in June 2023. Conclusions Antiviral AMS rounds provide an opportunity to optimise sampling, diagnosis and improve patient management. Introduction of regular AVS at UHBFT are now well established and plan to be implemented in other hospitals.
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Affiliation(s)
- Abigail Jenkins
- Department of Pharmacy, University Hospitals Birmingham Foundation Trust, Birmingham, United Kingdom
| | - Jubeyr Ahmed
- Department of Microbiology, University Hospitals Birmingham Foundation Trust, Birmingham, United Kingdom
| | - Andrew Bosworth
- Department of Microbiology, University Hospitals Birmingham Foundation Trust, Birmingham, United Kingdom
| | - I Michael Kidd
- Microbiology Services, UKHSA Birmingham Laboratory, United Kingdom
| | - Husam Osman
- Microbiology Services, UKHSA Birmingham Laboratory, United Kingdom
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Deng X, Lv C, Wang T, Guo J, Luo R, Qi J, Sima M, Yue D, Gao Y. Antiviral activity of theaflavins against Zika virus in vivo and in vitro. J Infect Chemother 2024; 30:571-578. [PMID: 38036028 DOI: 10.1016/j.jiac.2023.11.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 11/14/2023] [Accepted: 11/23/2023] [Indexed: 12/02/2023]
Abstract
INTRODUCTION The prevalence and infection of the Zika virus (ZIKV) have recently posed a major threat to global public health security. However, there is currently a lack of specific vaccines and effective antiviral drugs for ZIKV infection. METHODS Theaflavins TF1 and TF2 were selected by evaluating the anti-Zika virus activity of four kinds of theaflavins in vitro. Subsequently, in vivo, we investigated the effects of TF1 and TF2 on weight, survival, tissue viral load, and cytokines in ZIKV-infected mice. RESULTS We compared the anti-ZIKV activity of four theaflavins (TFs) in cells and found that TF1 and TF2b significantly inhibited the replication of ZIKV/Z16006 toxic strain in BHK and Vero cells by inhibiting the replication and release of ZIKV, while no similar effects were observed for TF2a and TF3. In vivo assay, we only found that TF2b improved the survival rate of infected mice. In tissues of ZIKV-infected mice, the viral load was higher in spleen and blood, followed by liver, epididymis, and testis, the lowest in muscle. Additionally, TF2b treatment significantly reduced the expression of cytokines (IL-6, IL-1β, TNF-α) and chemokines (CCL2, CCL5, CXCL10) induced by ZIKV infection. CONCLUSIONS These findings suggest that TF2b has a potent antiviral effect and can be used as a potential candidate for the treatment of ZIKV infection.
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Affiliation(s)
- Xiuwen Deng
- College of Integrated Chinese and Western Medicine, Changchun University of Chinese Medicine, Changchun, Jilin 130117, China; Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, China
| | - Chaoxiang Lv
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, 130122, China; The Research Center for Preclinical Medicine, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Tiecheng Wang
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, 130122, China
| | - Jin Guo
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, 130122, China; College of Life Sciences, Shandong Normal University, Jinan, 250014, China
| | - Rongbo Luo
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, 130122, China
| | - Jing Qi
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, 130122, China; College of Life Sciences, Northeast Normal University, Changchun, 130021, China
| | - Mingwei Sima
- College of Integrated Chinese and Western Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China; Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, 130122, China
| | - Donghui Yue
- College of Integrated Chinese and Western Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China; School of Basic Medical Sciences, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China.
| | - Yuwei Gao
- College of Integrated Chinese and Western Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China; Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, 130122, China.
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Klevanski M, Kim H, Heilemann M, Kuner T, Bartenschlager R. Glycan-directed SARS-CoV-2 inhibition by leek extract and lectins with insights into the mode-of-action of Concanavalin A. Antiviral Res 2024; 225:105856. [PMID: 38447646 DOI: 10.1016/j.antiviral.2024.105856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 02/26/2024] [Accepted: 03/04/2024] [Indexed: 03/08/2024]
Abstract
Four years after its outbreak, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) remains a global challenge for human health. At its surface, SARS-CoV-2 features numerous extensively glycosylated spike proteins. This glycan coat supports virion docking and entry into host cells and at the same time renders the virus less susceptible to neutralizing antibodies. Given the high genetic plasticity of SARS-CoV-2 and the rapid emergence of immune escape variants, targeting the glycan shield by carbohydrate-binding agents emerges as a promising strategy. However, the potential of carbohydrate-targeting reagents as viral inhibitors remains underexplored. Here, we tested seven plant-derived carbohydrate-binding proteins, called lectins, and one crude plant extract for their antiviral activity against SARS-CoV-2 in two types of human lung cells: A549 cells ectopically expressing the ACE2 receptor and Calu-3 cells. We identified three lectins and an Allium porrum (leek) extract inhibiting SARS-CoV-2 infection in both cell systems with selectivity indices (SI) ranging between >2 and >299. Amongst these, the lectin Concanavalin A (Con A) exerted the most potent and broad activity against a panel of SARS-CoV-2 variants. We used multiplex super-resolution microscopy to address lectin interactions with SARS-CoV-2 and its host cells. Notably, we discovered that Con A not only binds to SARS-CoV-2 virions and their host cells, but also causes SARS-CoV-2 aggregation. Thus, Con A exerts a dual mode-of-action comprising both, antiviral and virucidal, mechanisms. These results establish Con A and other plant lectins as candidates for COVID-19 prevention and basis for further drug development.
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Affiliation(s)
- Maja Klevanski
- Department of Functional Neuroanatomy, Institute for Anatomy and Cell Biology, Heidelberg University, Im Neuenheimer Feld 307, 69120, Heidelberg, Germany.
| | - Heeyoung Kim
- Department of Infectious Diseases, Molecular Virology, Heidelberg University, 69120, Heidelberg, Germany; German Center for Infection Research (DZIF), Partner Site Heidelberg, 69120, Heidelberg, Germany
| | - Mike Heilemann
- Institute of Physical and Theoretical Chemistry, Goethe-University Frankfurt, Max-von-Laue-Str. 7, 60438, Frankfurt, Germany
| | - Thomas Kuner
- Department of Functional Neuroanatomy, Institute for Anatomy and Cell Biology, Heidelberg University, Im Neuenheimer Feld 307, 69120, Heidelberg, Germany; German Center for Lung Research (DZL), Partner Site Heidelberg (TLRC), Germany
| | - Ralf Bartenschlager
- Department of Infectious Diseases, Molecular Virology, Heidelberg University, 69120, Heidelberg, Germany; German Center for Infection Research (DZIF), Partner Site Heidelberg, 69120, Heidelberg, Germany; Division Virus-Associated Carcinogenesis, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
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Hamadalnil Y, Altayb HN. In silico molecular study of hepatitis B virus X protein as a therapeutic target. J Biomol Struct Dyn 2024; 42:4002-4015. [PMID: 37254310 DOI: 10.1080/07391102.2023.2217920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 05/18/2023] [Indexed: 06/01/2023]
Abstract
The Hepatitis B virus is a leading cause of liver cirrhosis and hepatocellular carcinoma. HBx viral protein is considered a contributor to pathogenesis and hepatocarcinogenesis. This study aimed to screen the effect of some antiviral compounds to target HBx protein for inhibition of its function. Here, molecular docking, molcular dynsmic simulation, MM/GBSA and T-SNE methods were applied to study the complex stability and to cluster the conformations that generated in the simulation. Among the 179 compounds screened in this study, three antiviral agents (SC75741, Punicalagin, and Ledipasvir) exhibited the lowest docking energy and best interaction. Among these compounds, SC75741 was identified as a potent inhibitor of HBx that showed the best and most stable interaction during molecular dynamic simulation, and blocking a region near to HBx helix resides (aa 88-100) that is associated with cell invasion. The analysis of relative binding free energy through MM/GBSA for molecular dynamic simulation results revealed binding energy -9.9 kcal/mol for SC75741, -11 kcal/mol for Punicalagin, and -10.1 kcal/mol for Ledipasvir. These results elucidate the possible use of these compounds in the research for targeting HBx.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Yassir Hamadalnil
- Faculty of Medicine, Nile University, Khartoum, Sudan
- Ibra Hospital, Ministry of Health, Ibra, Sultanate of Oman
| | - Hisham N Altayb
- Department of Biochemistry, Faculty of Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
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Siniavin AE, Gushchin VA, Shastina NS, Darnotuk ES, Luyksaar SI, Russu LI, Inshakova AM, Shidlovskaya EV, Vasina DV, Kuznetsova NA, Savina DM, Zorkov ID, Dolzhikova IV, Sheremet AB, Logunov DY, Zigangirova NA, Gintsburg AL. New conjugates based on N4-hydroxycytidine with more potent antiviral efficacy in vitro than EIDD-2801 against SARS-CoV-2 and other human coronaviruses. Antiviral Res 2024; 225:105871. [PMID: 38555022 DOI: 10.1016/j.antiviral.2024.105871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 03/14/2024] [Accepted: 03/23/2024] [Indexed: 04/02/2024]
Abstract
The spread of COVID-19 continues due to genetic variation in SARS-CoV-2. Highly mutated variants of SARS-CoV-2 have an increased transmissibility and immune evasion. Due to the emergence of various new variants of the virus, there is an urgent need to develop broadly effective specific drugs for therapeutic strategies for the prevention and treatment of COVID-19. Molnupiravir (EIDD-2801, MK-4482), is an orally bioavailable ribonucleoside analogue of β-D-N4-hydroxycytidine (NHC), has demonstrated efficacy against SARS-CoV-2 and was recently approved for COVID-19 treatment. To improve antiviral potency of NHC, we developed a panel of NHC conjugates with lipophilic vectors and ester derivatives with amino- and carboxylic-acids. Most of the synthesized compounds had comparable or higher (2-20 times) antiviral activity than EIDD-2801, against different lineages of SARS-CoV-2, MERS-CoV, seasonal coronaviruses OC43 and 229E, as well as bovine coronavirus. For further studies, we assessed the most promising compound in terms of activity, simplicity and cost of synthesis - NHC conjugate with phenylpropionic acid (SN_9). SN_9 has shown high efficacy in prophylactic, therapeutic and transmission models of COVID-19 infection in hamsters. Importantly, SN_9 profoundly inhibited virus replication in the lower respiratory tract of hamsters and transgenic mice infected with the Omicron sublineages XBB.1.9.1, XBB.1.16 and EG.5.1.1. These data indicate that SN_9 represents a promising antiviral drug candidate for COVID-19 treatment, and NHC modification strategies deserve further investigation as an approach to develop prodrugs against various coronaviruses.
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Affiliation(s)
- Andrei E Siniavin
- Department of Epidemiology, Federal State Budget Institution "National Research Centre for Epidemiology and Microbiology Named After Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, 123098, Moscow, Russia; Department of Molecular Neuroimmune Signaling, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997, Moscow, Russia.
| | - Vladimir A Gushchin
- Department of Epidemiology, Federal State Budget Institution "National Research Centre for Epidemiology and Microbiology Named After Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, 123098, Moscow, Russia; Department of Medical Genetics, Federal State Autonomous Educational Institution of Higher Education I M Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), 119991, Moscow, Russia; Department of Virology, Faculty of Biology Lomonosov Moscow State University, 119234, Moscow, Russia.
| | - Natal'ya S Shastina
- Department of Epidemiology, Federal State Budget Institution "National Research Centre for Epidemiology and Microbiology Named After Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, 123098, Moscow, Russia; Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 119571, Moscow, Russia
| | - Elizaveta S Darnotuk
- Department of Epidemiology, Federal State Budget Institution "National Research Centre for Epidemiology and Microbiology Named After Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, 123098, Moscow, Russia; Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 119571, Moscow, Russia
| | - Sergey I Luyksaar
- Department of Epidemiology, Federal State Budget Institution "National Research Centre for Epidemiology and Microbiology Named After Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, 123098, Moscow, Russia
| | - Leonid I Russu
- Department of Epidemiology, Federal State Budget Institution "National Research Centre for Epidemiology and Microbiology Named After Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, 123098, Moscow, Russia
| | - Anna M Inshakova
- Department of Epidemiology, Federal State Budget Institution "National Research Centre for Epidemiology and Microbiology Named After Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, 123098, Moscow, Russia; Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 119571, Moscow, Russia
| | - Elena V Shidlovskaya
- Department of Epidemiology, Federal State Budget Institution "National Research Centre for Epidemiology and Microbiology Named After Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, 123098, Moscow, Russia
| | - Daria V Vasina
- Department of Epidemiology, Federal State Budget Institution "National Research Centre for Epidemiology and Microbiology Named After Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, 123098, Moscow, Russia
| | - Nadezhda A Kuznetsova
- Department of Epidemiology, Federal State Budget Institution "National Research Centre for Epidemiology and Microbiology Named After Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, 123098, Moscow, Russia
| | - Daria M Savina
- Department of Epidemiology, Federal State Budget Institution "National Research Centre for Epidemiology and Microbiology Named After Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, 123098, Moscow, Russia
| | - Ilya D Zorkov
- Department of Epidemiology, Federal State Budget Institution "National Research Centre for Epidemiology and Microbiology Named After Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, 123098, Moscow, Russia
| | - Inna V Dolzhikova
- Department of Epidemiology, Federal State Budget Institution "National Research Centre for Epidemiology and Microbiology Named After Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, 123098, Moscow, Russia
| | - Anna B Sheremet
- Department of Epidemiology, Federal State Budget Institution "National Research Centre for Epidemiology and Microbiology Named After Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, 123098, Moscow, Russia
| | - Denis Y Logunov
- Department of Epidemiology, Federal State Budget Institution "National Research Centre for Epidemiology and Microbiology Named After Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, 123098, Moscow, Russia
| | - Nailya A Zigangirova
- Department of Epidemiology, Federal State Budget Institution "National Research Centre for Epidemiology and Microbiology Named After Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, 123098, Moscow, Russia
| | - Alexander L Gintsburg
- Department of Epidemiology, Federal State Budget Institution "National Research Centre for Epidemiology and Microbiology Named After Honorary Academician N. F. Gamaleya" of the Ministry of Health of the Russian Federation, 123098, Moscow, Russia; Department of Infectology and Virology, Federal State Autonomous Educational Institution of Higher Education I.M. Sechenov, First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), 119435, Moscow, Russia
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Rosales-Rosas AL, Soto A, Wang L, Mols R, Fontaine A, Sanon A, Augustijns P, Delang L. β-D-N 4-hydroxycytidine (NHC, EIDD-1931) inhibits chikungunya virus replication in mosquito cells and ex vivo Aedes aegypti guts, but not when ingested during blood-feeding. Antiviral Res 2024; 225:105858. [PMID: 38490342 DOI: 10.1016/j.antiviral.2024.105858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 02/21/2024] [Accepted: 03/05/2024] [Indexed: 03/17/2024]
Abstract
Chikungunya virus (CHIKV) is a mosquito-borne virus transmitted by Aedes mosquitoes. While there are no antiviral therapies currently available to treat CHIKV infections, several licensed oral drugs have shown significant anti-CHIKV activity in cells and in mouse models. However, the efficacy in mosquitoes has not yet been assessed. Such cross-species antiviral activity could be favorable, since virus inhibition in the mosquito vector might prevent further transmission to vertebrate hosts. Here, we explored the antiviral effect of β-d-N4-hydroxycytidine (NHC, EIDD-1931), the active metabolite of molnupiravir, on CHIKV replication in Aedes aegypti mosquitoes. Antiviral assays in mosquito cells and in ex vivo cultured mosquito guts showed that NHC had significant antiviral activity against CHIKV. Exposure to a clinically relevant concentration of NHC did not affect Ae. aegypti lifespan when delivered via a bloodmeal, but it slightly reduced the number of eggs developed in the ovaries. When mosquitoes were exposed to a blood meal containing both CHIKV and NHC, the compound did not significantly reduce virus infection and dissemination in the mosquitoes. This was confirmed by modelling and could be explained by pharmacokinetic analysis, which revealed that by 6 h post-blood-feeding, 90% of NHC had been cleared from the mosquito bodies. Our data show that NHC inhibited CHIKV replication in mosquito cells and gut tissue, but not in vivo when mosquitoes were provided with a CHIKV-infectious bloodmeal spiked with NHC. The pipeline presented in this study offers a suitable approach to identify anti-arboviral drugs that may impede replication in mosquitoes.
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Affiliation(s)
- Ana Lucia Rosales-Rosas
- KU Leuven Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Leuven, Belgium
| | - Alina Soto
- KU Leuven Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Leuven, Belgium
| | - Lanjiao Wang
- KU Leuven Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Leuven, Belgium
| | - Raf Mols
- Department of Pharmaceutical and Pharmacological Sciences, Drug Delivery and Disposition, KU Leuven, Belgium
| | - Albin Fontaine
- Unité de Parasitologie et Entomologie, Département des Maladies Infectieuses, Institut de Recherche Biomédicale des Armées, 19-21 Boulevard Jean Moulin, 13005 Marseille, France; Aix Marseille Université, IRD, AP-HM, SSA, UMR Vecteurs - Infections Tropicales et Méditerranéennes (VITROME), IHU - Méditerranée Infection, 19-21 bd Jean Moulin, cedex 5, 13385 Marseille, France
| | - Aboubakar Sanon
- KU Leuven Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Leuven, Belgium
| | - Patrick Augustijns
- Department of Pharmaceutical and Pharmacological Sciences, Drug Delivery and Disposition, KU Leuven, Belgium
| | - Leen Delang
- KU Leuven Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Leuven, Belgium.
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Liu D, Leung KY, Lam HY, Zhang R, Fan Y, Xie X, Chan KH, Hung IFN. Interaction and antiviral treatment of coinfection between SARS-CoV-2 and influenza in vitro. Virus Res 2024; 345:199371. [PMID: 38621598 DOI: 10.1016/j.virusres.2024.199371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 03/18/2024] [Accepted: 04/12/2024] [Indexed: 04/17/2024]
Abstract
BACKGROUND The pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has lasted for three years. Coinfection with seasonal influenza may occur resulting in more severe diseases. The interaction between these two viruses for infection and the effect of antiviral treatment remains unclear. METHODS A SARS-CoV-2 and influenza H1N1 coinfection model on Calu-3 cell line was established, upon which the simultaneous and sequential coinfection was evaluated by comparing the viral load. The efficacy of molnupiravir and baloxavir against individual virus and coinfection were also studied. RESULTS The replication of SARS-CoV-2 was significantly interfered when the influenza virus was infected simultaneously or in advance (p < 0.05). On the contrary, the replication of the influenza virus was not affected by the SARS-CoV-2. Molnupiravir monotherapy had significant inhibitory effect on SARS-CoV-2 when the concentration reached to 6.25 μM but did not show any significant anti-influenza activity. Baloxavir was effective against influenza within the dosage range and showed significant effect of anti-SARS-CoV-2 at 16 μM. In the treatment of coinfection, molnupiravir had significant effect for SARS-CoV-2 from 6.25 μM to 100 μM and inhibited H1N1 at 100 μM (p < 0.05). The tested dosage range of baloxavir can inhibit H1N1 significantly (p < 0.05), while at the highest concentration of baloxavir did not further inhibit SARS-CoV-2, and the replication of SARS-CoV-2 significantly increased in lower concentrations. Combination treatment can effectively inhibit influenza H1N1 and SARS-CoV-2 replication during coinfection. Compared with molnupiravir or baloxavir monotherapy, combination therapy was more effective in less dosage to inhibit the replication of both viruses. CONCLUSIONS In coinfection, the replication of SARS-CoV-2 would be interfered by influenza H1N1. Compared with molnupiravir or baloxavir monotherapy, treatment with a combination of molnupiravir and baloxavir should be considered for early treatment in patients with SARS-CoV-2 and influenza coinfection.
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Affiliation(s)
- Danlei Liu
- Department of Medicine, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China
| | - Ka-Yi Leung
- Department of Microbiology, Li Ka Shing faculty of Medicine, University of Hong Kong, Hong Kong, China
| | - Hoi-Yan Lam
- Department of Microbiology, Li Ka Shing faculty of Medicine, University of Hong Kong, Hong Kong, China
| | - Ruiqi Zhang
- Department of Medicine, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China
| | - Yujing Fan
- Department of Medicine, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China
| | - Xiaochun Xie
- Department of Medicine, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China
| | - Kwok-Hung Chan
- Department of Microbiology, Li Ka Shing faculty of Medicine, University of Hong Kong, Hong Kong, China; State Key Laboratory for Emerging Infectious Diseases, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China; Carol Yu Centre for Infection, Li Ka Shing faculty of Medicine, University of Hong Kong, Hong Kong, China
| | - Ivan Fan-Ngai Hung
- Department of Medicine, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China; State Key Laboratory for Emerging Infectious Diseases, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China; Carol Yu Centre for Infection, Li Ka Shing faculty of Medicine, University of Hong Kong, Hong Kong, China.
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10
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Gege C, Kleymann G. Replacement of sulfonamide by sulfoximine within a helicase-primase inhibitor with restricted flexibility. Bioorg Med Chem Lett 2024:129761. [PMID: 38642810 DOI: 10.1016/j.bmcl.2024.129761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 03/14/2024] [Accepted: 04/18/2024] [Indexed: 04/22/2024]
Abstract
Helicase-primase is an interesting target for the therapy of herpes simplex virus (HSV) infections. Since amenamevir is already approved for varicella-zoster virus (VZV) and HSV in Japan and pritelivir has received breakthrough therapy status for the treatment of acyclovir-resistant HSV infections in immunocompromised patients, the target has sparked interest in me-too approaches. Here, we describe the attempt to improve nervous tissue penetration in Phaeno Therapeutics drug candidate HN0037 to target the latent reservoir of HSV by installing less polar moieties, mainly a difluorophenyl instead of a pyridyl group, and replacing the primary sulfonamide with a methyl sulfoximine moiety. However, all obtained stereoisomers exhibited a weaker inhibitory activity on HSV-1 and HSV-2.
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Affiliation(s)
- Christian Gege
- Innovative Molecules GmbH, Lipowsky Str. 10, 81373 Munich, Germany.
| | - Gerald Kleymann
- Innovative Molecules GmbH, Lipowsky Str. 10, 81373 Munich, Germany
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11
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Garg J, Verma P, Singh M, Das A, Pathak A, Agarwal J. Hepatitis C virus core antigen: A diagnostic and treatment monitoring marker of hepatitis C virus in Indian population. Indian J Gastroenterol 2024:10.1007/s12664-024-01549-7. [PMID: 38619807 DOI: 10.1007/s12664-024-01549-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Accepted: 02/01/2024] [Indexed: 04/16/2024]
Abstract
BACKGROUND The diagnosis and treatment monitoring of hepatitis C is quite challenging. The screening test, i.e. antibody assay, is unable to detect acute cases, while the gold standard hepatitis C virus (HCV) reverse transcriptase polymerase chain reaction (RTPCR) assay is not feasible in resource-limited countries such as India due to high cost and infrastructure requirement. European Association for the Study of the Liver and World Health Organization have approved a new marker, i.e. HCV core antigen (HCVcAg) assay, as an alternative to molecular assay. In this study, we have evaluated HCVcAg assay for diagnosis and treatment monitoring follow-up in Indian population infected with hepatitis C. METHODS Blood specimen of 90 clinically suspected cases of acute hepatitis C were tested simultaneously for anti-HCV antibody assay via ELISA (enzyme-linked immunoassay), HCVcAg assay by chemiluminescence immune assay (CLIA) and HCV RTPCR VL (viral load) assay. Thirty-four HCV RTPCR positive patients were further enrolled in treatment monitoring group whose blood samples were tested at the beginning of treatment, two weeks, four weeks and 12 weeks via HCV core Ag assay and HCV RTPCR Viral Load assay. RESULTS Considering HCV RTPCR as gold standard, diagnostic performance of HCV core Ag assay and anti-HCV antibody assay was evaluated. The sensitivity and specificity of HCV core Ag assay were higher than that of anti-HCV Antibody assay, i.e. 88.3% and 100% vs. 23.3% and 83.3%, respectively. The overall diagnostic accuracy of HCV core Ag assay was 92.20%. Among treatment follow-up group, HCV core Ag levels correlated well with HCV viral load levels, at the beginning of treatment (baseline) till 12 weeks showing highly significant Spearman rank correlation coefficient of > 0.9 with HCV viral load levels. CONCLUSIONS HCV core Ag assay is a cost-effective, practically feasible substitute of HCV RTPCR viral load assay for diagnosis as well as long duration treatment monitoring of hepatitis C infection in resource-limited settings.
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Affiliation(s)
- Jaya Garg
- Department of Microbiology, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, 226 010, India.
| | - Prashant Verma
- Department of Gastromedicine, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, 226 010, India
| | - Mridu Singh
- Department of Medicine, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, 226 010, India
| | - Anupam Das
- Department of Microbiology, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, 226 010, India
| | - Anurag Pathak
- Department of Community Medicine, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, 226 010, India
| | - Jyotsna Agarwal
- Department of Microbiology, Dr Ram Manohar Lohia Institute of Medical Sciences, Lucknow, 226 010, India
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12
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Hu Y, Li Y, Zhu H, Wang D, Zhou J, Ni Y, Guo R, Fan B, Li B. In vitro suppression of porcine epidemic diarrhea virus by Panax notoginseng saponins: assessing antiviral potential. Arch Virol 2024; 169:89. [PMID: 38565720 DOI: 10.1007/s00705-024-06020-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 02/12/2024] [Indexed: 04/04/2024]
Abstract
Porcine epidemic diarrhea virus (PEDV) causes severe diarrhea and high mortality in neonatal suckling piglets, leading to significant economic losses to the swine industry. Panax notoginseng saponins (PNS) are bioactive extracts derived from the P. notoginseng plant. In this study, we investigated the anti-PEDV effect of PNS by employing various methodologies to assess their impact on PEDV in Vero cells. Using a CCK-8 (Cell Counting Kit-8) assay, we found that PNS had no significant cytotoxicity below the concentration of 128 µg/mL in Vero cells. Using immunofluorescence assays (IFAs), an enzyme-linked immunosorbent assay (ELISA), and plaque formation assays, we observed a dose-dependent inhibition of PEDV infection by PNS within 24-48 hours postinfection. PNS exerts its anti-PEDV activity specifically at the genome replication stage, and mRNA-seq analysis demonstrated that treatment with PNS resulted in increased expression of various genes, including IFIT1 (interferon-induced protein with tetratricopeptide repeats 1), IFIT3 (interferon-induced protein with tetratricopeptide repeats 3), CFH (complement factor H), IGSF10 (immunoglobulin superfamily member 10), ID2 (inhibitor of DNA binding 2), SPP1 (secreted phosphoprotein 1), PLCB4 (phospholipase C beta 4), and FABP4 (fatty acid binding protein 4), but it resulted in decreased expression of IL1A (interleukin 1 alpha), TNFRSF19 (TNF receptor superfamily member 19), CDH8 (cadherin 8), DDIT3 (DNA damage inducible transcript 3), GADD45A (growth arrest and DNA damage inducible alpha), PTPRG (protein tyrosine phosphatase receptor type G), PCK2 (phosphoenolpyruvate carboxykinase 2), and ADGRA2 (adhesion G protein-coupled receptor A2). This study provides insights into the potential mechanisms underlying the antiviral effects of PNS. Taken together, the results suggest that the PNS might effectively regulate the defense response to the virus and have potential to be used in antiviral therapies.
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Affiliation(s)
- Yiyi Hu
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China
- Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonose, Yangzhou University, 225009, Yangzhou, China
- GuoTai (Taizhou) Center of Technology Innovation for Veterinary Biologicals, 225300, Taizhou, China
| | - Yunchuan Li
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China
- Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonose, Yangzhou University, 225009, Yangzhou, China
- GuoTai (Taizhou) Center of Technology Innovation for Veterinary Biologicals, 225300, Taizhou, China
| | - Haodan Zhu
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China
- Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonose, Yangzhou University, 225009, Yangzhou, China
- GuoTai (Taizhou) Center of Technology Innovation for Veterinary Biologicals, 225300, Taizhou, China
| | - Dandan Wang
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China
- Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonose, Yangzhou University, 225009, Yangzhou, China
- GuoTai (Taizhou) Center of Technology Innovation for Veterinary Biologicals, 225300, Taizhou, China
| | - Junming Zhou
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China
- Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonose, Yangzhou University, 225009, Yangzhou, China
- GuoTai (Taizhou) Center of Technology Innovation for Veterinary Biologicals, 225300, Taizhou, China
| | - Yanxiu Ni
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China
- Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonose, Yangzhou University, 225009, Yangzhou, China
- GuoTai (Taizhou) Center of Technology Innovation for Veterinary Biologicals, 225300, Taizhou, China
| | - Rongli Guo
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China
- Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonose, Yangzhou University, 225009, Yangzhou, China
- GuoTai (Taizhou) Center of Technology Innovation for Veterinary Biologicals, 225300, Taizhou, China
| | - Baochao Fan
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China
- Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonose, Yangzhou University, 225009, Yangzhou, China
- GuoTai (Taizhou) Center of Technology Innovation for Veterinary Biologicals, 225300, Taizhou, China
| | - Bin Li
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Zhongling Street 50, 210014, Nanjing, China.
- Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonose, Yangzhou University, 225009, Yangzhou, China.
- GuoTai (Taizhou) Center of Technology Innovation for Veterinary Biologicals, 225300, Taizhou, China.
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13
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Yuen MF, Fung S, Ma X, Nguyen TT, Hassanein T, Hann HW, Elkhashab M, Nahass RG, Park JS, Jacobson IM, Ayoub WS, Han SH, Gane EJ, Zomorodi K, Yan R, Ma J, Knox SJ, Stamm LM, Bonacini M, Weilert F, Ramji A, Bennett M, Ravendhran N, Chan S, Dieterich DT, Kwo PY, Schiff ER, Bae HS, Lalezari J, Agarwal K, Sulkowski MS. Long-term open-label vebicorvir for chronic HBV infection: Safety and off-treatment responses. JHEP Rep 2024; 6:100999. [PMID: 38510983 PMCID: PMC10951643 DOI: 10.1016/j.jhepr.2023.100999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 12/18/2023] [Accepted: 12/20/2023] [Indexed: 03/22/2024] Open
Abstract
Background & Aims The investigational first-generation core inhibitor vebicorvir (VBR) demonstrated safety and antiviral activity over 24 weeks in two phase IIa studies in patients with chronic HBV infection. In this long-term extension study, patients received open-label VBR with nucleos(t)ide reverse transcriptase inhibitors (NrtIs). Methods Patients in this study (NCT03780543) previously received VBR + NrtI or placebo + NrtI in parent studies 201 (NCT03576066) or 202 (NCT03577171). After receiving VBR + NrtI for ≥52 weeks, stopping criteria (based on the treatment history and hepatitis B e antigen status in the parent studies) were applied, and patients either discontinued both VBR + NrtI, discontinued VBR only, or continued both VBR + NrtI. The primary efficacy endpoint was the proportion of patients with HBV DNA <20 IU/ml at 24 weeks off treatment. Results Ninety-two patients entered the extension study and received VBR + NrtI. Long-term VBR + NrtI treatment led to continued suppression of HBV nucleic acids and, to a lesser extent, HBV antigens. Forty-three patients met criteria to discontinue VBR + NrtI, with no patients achieving the primary endpoint; the majority of virologic rebound occurred ≥4 weeks off treatment. Treatment was generally well tolerated, with few discontinuations due to adverse events (AEs). There were no deaths. Most AEs and laboratory abnormalities were related to elevations in alanine aminotransferase and occurred during the off-treatment or NrtI-restart phases. No drug-drug interactions between VBR + NrtI and no cases of treatment-emergent resistance among patients who adhered to treatment were observed. Conclusions Long-term VBR + NrtI was safe and resulted in continued reductions in HBV nucleic acids following completion of the 24-week parent studies. Following treatment discontinuation, virologic relapse was observed in all patients. This first-generation core inhibitor administered with NrtI for at least 52 weeks was not sufficient for HBV cure. Clinical trial number NCT03780543. Impact and implications Approved treatments for chronic hepatitis B virus infection (cHBV) suppress viral replication, but viral rebound is almost always observed after treatment discontinuation, highlighting an unmet need for improved therapies with finite treatment duration producing greater therapeutic responses that can be sustained off treatment. First-generation core inhibitors, such as vebicorvir, have mechanisms of action orthogonal to standard-of-care therapies that deeply suppress HBV viral replication during treatment; however, to date, durable virologic responses have not been observed after treatment discontinuation. The results reported here will help researchers with the design and interpretation of future studies investigating core inhibitors as possible components of finite treatment regimens for patients with cHBV. It is possible that next-generation core inhibitors with enhanced potency may produce deeper and more durable antiviral activity than first-generation agents, including vebicorvir.
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Affiliation(s)
- Man-Fung Yuen
- Department of Medicine and State Key Laboratory of Liver Research, School of Clinical Medicine, Queen Mary Hospital, The University of Hong Kong, Hong Kong
| | - Scott Fung
- Department of Medicine, Division of Gastroenterology and Hepatology, University of Toronto, Toronto, Canada
| | - Xiaoli Ma
- Office of Xiaoli Ma, Philadelphia, PA, USA
| | - Tuan T. Nguyen
- T Nguyen Research and Education, Inc., San Diego, CA, USA
| | | | - Hie-Won Hann
- Department of Medicine, Division of Gastroenterology and Hepatology, Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | | | | | | | | | | | - Steven-Huy Han
- Pfleger Liver Institute, University of California, Los Angeles, CA, USA
| | | | - Katie Zomorodi
- Assembly Biosciences, Inc., South San Francisco, CA, USA
| | - Ran Yan
- Assembly Biosciences, Inc., South San Francisco, CA, USA
| | - Julie Ma
- Assembly Biosciences, Inc., South San Francisco, CA, USA
| | - Steven J. Knox
- Assembly Biosciences, Inc., South San Francisco, CA, USA
| | - Luisa M. Stamm
- Assembly Biosciences, Inc., South San Francisco, CA, USA
| | | | | | - Alnoor Ramji
- GastroIntestinal Research Institute, Vancouver, Canada
| | | | | | | | - Douglas T. Dieterich
- Department of Medicine, Division of Liver Diseases, Icahn School of Medicine, Mount Sinai Hospital, New York, NY, USA
| | - Paul Yien Kwo
- Stanford University Medical Center, Stanford, CA, USA
| | - Eugene R. Schiff
- Schiff Center for Liver Diseases, University of Miami School of Medicine, Miami, FL, USA
| | - Ho S. Bae
- Asian Pacific Liver Center, Los Angeles, CA, USA
| | | | - Kosh Agarwal
- Institute of Liver Studies, King’s College Hospital, London, UK
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Mulukutla A, Shreshtha R, Kumar Deb V, Chatterjee P, Jain U, Chauhan N. Recent advances in antimicrobial peptide-based therapy. Bioorg Chem 2024; 145:107151. [PMID: 38359706 DOI: 10.1016/j.bioorg.2024.107151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 01/05/2024] [Accepted: 01/22/2024] [Indexed: 02/17/2024]
Abstract
Antimicrobial peptides (AMPs) are a group of polypeptide chains that have the property to target and kill a myriad of microbial organisms including viruses, bacteria, protists, etc. The first discovered AMP was named gramicidin, an extract of aerobic soil bacteria. Further studies discovered that these peptides are present not only in prokaryotes but in eukaryotes as well. They play a vital role in human innate immunity and wound repair. Consequently, they have maintained a high level of intrigue among scientists in the field of immunology, especially so with the rise of antibiotic-resistant pathogens decreasing the reliability of antibiotics in healthcare. While AMPs have promising potential to substitute for common antibiotics, their use as effective replacements is barred by certain limitations. First, they have the potential to be cytotoxic to human cells. Second, they are unstable in the blood due to action by various proteolytic agents and ions that cause their degradation. This review provides an overview of the mechanism of AMPs, their limitations, and developments in recent years that provide techniques to overcome those limitations. We also discuss the advantages and drawbacks of AMPs as a replacement for antibiotics as compared to other alternatives such as synthetically modified bacteriophages, traditional medicine, and probiotics.
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Affiliation(s)
- Aditya Mulukutla
- School of Health Sciences and Technology, UPES, Dehradun 248007, Uttarakhand, India
| | - Romi Shreshtha
- School of Health Sciences and Technology, UPES, Dehradun 248007, Uttarakhand, India
| | - Vishal Kumar Deb
- School of Health Sciences and Technology, UPES, Dehradun 248007, Uttarakhand, India
| | - Pallabi Chatterjee
- School of Health Sciences and Technology, UPES, Dehradun 248007, Uttarakhand, India
| | - Utkarsh Jain
- School of Health Sciences and Technology, UPES, Dehradun 248007, Uttarakhand, India
| | - Nidhi Chauhan
- School of Health Sciences and Technology, UPES, Dehradun 248007, Uttarakhand, India.
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Hur MH, Lee JH. Toward hepatitis C virus elimination using artificial intelligence. Clin Mol Hepatol 2024; 30:147-149. [PMID: 38390703 PMCID: PMC11016500 DOI: 10.3350/cmh.2024.0135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 02/22/2024] [Indexed: 02/24/2024] Open
Affiliation(s)
- Moon Haeng Hur
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Jeong-Hoon Lee
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea
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Nobori H, Baba K, Kuroda T, Baba K, Matsumoto K, Yoshida S, Watari R, Tachibana Y, Kato T, Fukao K. Prophylactic effect of ensitrelvir in mice infected with SARS-CoV-2. Antiviral Res 2024; 224:105852. [PMID: 38428748 DOI: 10.1016/j.antiviral.2024.105852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 02/21/2024] [Accepted: 02/26/2024] [Indexed: 03/03/2024]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the etiological cause of coronavirus disease 2019 (COVID-19) and continues to be a major health concern worldwide. Strategies to protect individuals at high risk of COVID-19 are critical but are currently a largely unmet need. We evaluated the oral antiviral drug ensitrelvir, which specifically targets the SARS-CoV-2 3CL protease, for its efficacy as a pre-exposure prophylactic treatment. Aged BALB/c mice were subcutaneously treated with various doses of ensitrelvir 24 h prior to a lethal SARS-CoV-2 challenge infection. Mouse body weight changes, survival rates, and viral titers in the lungs were evaluated, and plasma concentrations of ensitrelvir were determined. A single subcutaneous administration of ensitrelvir at 64 mg/kg or greater 24 h prior to SARS-CoV-2 challenge infection significantly protected aged mice against lethality and inhibited body weight loss. Pharmacokinetic analysis of ensitrelvir in the aged mice suggested that plasma concentrations ≥2.99 μg/mL resulted in a significant prophylactic effect against SARS-CoV-2 infection. In the aged mouse prophylaxis model, SARS-CoV-2 titers were suppressed in the lungs of mice treated with ensitrelvir 24 h prior to challenge infection, suggesting that the prophylactic administration of ensitrelvir exerted its prophylactic effect by suppressing viral proliferation. These findings suggest that ensitrelvir is a candidate drug for pre-exposure prophylactic treatment of individuals at high risk of COVID-19.
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Affiliation(s)
- Haruaki Nobori
- Pharmaceutical Research Division, Shionogi & Co., Ltd., 1-1, Futaba-cho 3-chome, Toyonaka, Osaka, 561-0825, Japan.
| | - Keiko Baba
- Pharmaceutical Research Division, Shionogi & Co., Ltd., 1-1, Futaba-cho 3-chome, Toyonaka, Osaka, 561-0825, Japan.
| | - Takayuki Kuroda
- Pharmaceutical Research Division, Shionogi & Co., Ltd., 1-1, Futaba-cho 3-chome, Toyonaka, Osaka, 561-0825, Japan.
| | - Kaoru Baba
- Shionogi TechnoAdvance Research & Co., Ltd., 1-1, Futaba-cho 3-chome, Toyonaka, Osaka, 561-0825, Japan.
| | - Kazumi Matsumoto
- Shionogi TechnoAdvance Research & Co., Ltd., 1-1, Futaba-cho 3-chome, Toyonaka, Osaka, 561-0825, Japan.
| | - Shinpei Yoshida
- Pharmaceutical Research Division, Shionogi & Co., Ltd., 1-1, Futaba-cho 3-chome, Toyonaka, Osaka, 561-0825, Japan.
| | - Ryosuke Watari
- Pharmaceutical Research Division, Shionogi & Co., Ltd., 1-1, Futaba-cho 3-chome, Toyonaka, Osaka, 561-0825, Japan.
| | - Yuki Tachibana
- Pharmaceutical Research Division, Shionogi & Co., Ltd., 1-1, Futaba-cho 3-chome, Toyonaka, Osaka, 561-0825, Japan.
| | - Teruhisa Kato
- Pharmaceutical Research Division, Shionogi & Co., Ltd., 1-1, Futaba-cho 3-chome, Toyonaka, Osaka, 561-0825, Japan.
| | - Keita Fukao
- Pharmaceutical Research Division, Shionogi & Co., Ltd., 1-1, Futaba-cho 3-chome, Toyonaka, Osaka, 561-0825, Japan.
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Asseri AH, Islam MR, Alghamdi RM, Altayb HN. Identification of natural antimicrobial peptides mimetic to inhibit Ca 2+ influx DDX3X activity for blocking dengue viral infectivity. J Bioenerg Biomembr 2024; 56:125-139. [PMID: 38095733 DOI: 10.1007/s10863-023-09996-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 11/16/2023] [Indexed: 04/06/2024]
Abstract
Viruses are microscopic biological entities that can quickly invade and multiply in a living organism. Each year, over 36,000 people die and nearly 400 million are infected with the dengue virus (DENV). Despite dengue being an endemic disease, no targeted and effective antiviral peptide resource is available against the dengue species. Antiviral peptides (AVPs) have shown tremendous ability to fight against different viruses. Accelerating antiviral drug discovery is crucial, particularly for RNA viruses. DDX3X, a vital cell component, supports viral translation and interacts with TRPV4, regulating viral RNA metabolism and infectivity. Its diverse signaling pathway makes it a potential therapeutic target. Our study focuses on inhibiting viral RNA translation by blocking the activity of the target gene and the TRPV4-mediated Ca2+ cation channel. Six major proteins from camel milk were first extracted and split with the enzyme pepsin. The antiviral properties were then analyzed using online bioinformatics programs, including AVPpred, Meta-iAVP, AMPfun, and ENNAVIA. The stability of the complex was assessed using MD simulation, MM/GBSA, and principal component analysis. Cytotoxicity evaluations were conducted using COPid and ToxinPred. The top ten AVPs, determined by optimal scores, were selected and saved for docking studies with the GalaxyPepDock tools. Bioinformatics analyses revealed that the peptides had very short hydrogen bond distances (1.8 to 3.6 Å) near the active site of the target protein. Approximately 76% of the peptide residues were 5-11 amino acids long. Additionally, the identified peptide candidates exhibited desirable properties for potential therapeutic agents, including a net positive charge, moderate toxicity, hydrophilicity, and selectivity. In conclusion, this computational study provides promising insights for discovering peptide-based therapeutic agents against DENV.
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Affiliation(s)
- Amer H Asseri
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia.
- Centre for Artificial Intelligence in Precision Medicines, King Abdulaziz University, Jeddah, 21589, Saudi Arabia.
| | - Md Rashedul Islam
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
- Advanced Biological Invention Centre (Bioinventics), Rajshahi, 6204, Bangladesh
| | - Reem M Alghamdi
- Department of Radiology, Prince Sultan Military Medical City, Riyadh, Saudi Arabia
| | - Hisham N Altayb
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
- Centre for Artificial Intelligence in Precision Medicines, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
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18
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Jia K, Wang J, Jiang D, Zhao Q, Shen D, Zhang X, Qiu Z, Wang Y, Lu C, Xia D. Bombyx mori triose-phosphate transporter protein inhibits Bombyx mori nucleopolyhedrovirus infection by reducing the cell glycolysis pathway. Int J Biol Macromol 2024; 266:131197. [PMID: 38554913 DOI: 10.1016/j.ijbiomac.2024.131197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 03/14/2024] [Accepted: 03/26/2024] [Indexed: 04/02/2024]
Abstract
Bombyx mori triose-phosphate transporter protein (BmTPT) is a member of the solute carrier (SLC) family. Its main function is to transport triose phosphate between intracellular and extracellular. In this study, BmTPT was cloned and characterised from the fat body of the silkworm Bombyx mori, resulting in an open reading frame (ORF) with a full length of 936 bp, which can encode 311 amino acid residues and has eight transmembrane structural domains. BmTPT was distributed throughout the cell and deposited the most in the nucleus, and is expressed in all tissues of Bombyx mori. Bombyx mori nucleopolyhedrovirus (BmNPV) infection significantly up-regulated BmTPT expression in immune tissue fat bodies. In addition, overexpression of BmTPT significantly inhibited BmNPV infection and markedly reduced the expression of enzymes related to the cellular glycolytic pathway; on the contrary, down-regulation of BmTPT expression by RNA interference resulted in robust replication of BmNPV and a significant increase in the expression of enzymes related to the cellular glycolytic pathway. This is the first report that BmTPT has antiviral effect in silkworm, and also could result in a lack of energy and raw materials for BmNPV replication and infection through down-regulation of the cellular glycolytic pathway.
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Affiliation(s)
- Kaifang Jia
- Jiangsu Key Laboratory of Sericultural and Animal Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Scientific Research Center, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
| | - Jinyang Wang
- Jiangsu Key Laboratory of Sericultural and Animal Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Scientific Research Center, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
| | - Dan Jiang
- Jiangsu Key Laboratory of Sericultural and Animal Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Scientific Research Center, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
| | - Qiaoling Zhao
- Jiangsu Key Laboratory of Sericultural and Animal Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Scientific Research Center, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
| | - Dongxu Shen
- Jiangsu Key Laboratory of Sericultural and Animal Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Scientific Research Center, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
| | - Xuelian Zhang
- Jiangsu Key Laboratory of Sericultural and Animal Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Scientific Research Center, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
| | - Zhiyong Qiu
- Jiangsu Key Laboratory of Sericultural and Animal Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Scientific Research Center, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China
| | - Yin Wang
- Zhenjiang Agricultural Product Quality Inspection and Testing Center, Southwest University, Chongqing 400715, China
| | - Cheng Lu
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400715, China; Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture, Southwest University, Chongqing 400715, China
| | - Dingguo Xia
- Jiangsu Key Laboratory of Sericultural and Animal Biotechnology, School of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang 212100, China; Key Laboratory of Silkworm and Mulberry Genetic Improvement, Ministry of Agriculture and Rural Affairs, Sericultural Scientific Research Center, Chinese Academy of Agricultural Sciences, Zhenjiang 212100, China.
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19
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Desantis J, Bazzacco A, Eleuteri M, Tuci S, Bianconi E, Macchiarulo A, Mercorelli B, Loregian A, Goracci L. Design, synthesis, and biological evaluation of first-in-class indomethacin-based PROTACs degrading SARS-CoV-2 main protease and with broad-spectrum antiviral activity. Eur J Med Chem 2024; 268:116202. [PMID: 38394929 DOI: 10.1016/j.ejmech.2024.116202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 01/29/2024] [Accepted: 01/31/2024] [Indexed: 02/25/2024]
Abstract
To date, Proteolysis Targeting Chimera (PROTAC) technology has been successfully applied to mediate proteasomal-induced degradation of several pharmaceutical targets mainly related to oncology, immune disorders, and neurodegenerative diseases. On the other hand, its exploitation in the field of antiviral drug discovery is still in its infancy. Recently, we described two indomethacin (INM)-based PROTACs displaying broad-spectrum antiviral activity against coronaviruses. Here, we report the design, synthesis, and characterization of a novel series of INM-based PROTACs that recruit either Von-Hippel Lindau (VHL) or cereblon (CRBN) E3 ligases. The panel of INM-based PROTACs was also enlarged by varying the linker moiety. The antiviral activity resulted very susceptible to this modification, particularly for PROTACs hijacking VHL as E3 ligase, with one piperazine-based compound (PROTAC 6) showing potent anti-SARS-CoV-2 activity in infected human lung cells. Interestingly, degradation assays in both uninfected and virus-infected cells with the most promising PROTACs emerged so far (PROTACs 5 and 6) demonstrated that INM-PROTACs do not degrade human PGES-2 protein, as initially hypothesized, but induce the concentration-dependent degradation of SARS-CoV-2 main protease (Mpro) both in Mpro-transfected and in SARS-CoV-2-infected cells. Importantly, thanks to the target degradation, INM-PROTACs exhibited a considerable enhancement in antiviral activity with respect to indomethacin, with EC50 values in the low-micromolar/nanomolar range. Finally, kinetic solubility as well as metabolic and chemical stability were measured for PROTACs 5 and 6. Altogether, the identification of INM-based PROTACs as the first class of SARS-CoV-2 Mpro degraders demonstrating activity also in SARS-CoV-2-infected cells represents a significant advance in the development of effective, broad-spectrum anti-coronavirus strategies.
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Affiliation(s)
- Jenny Desantis
- Department of Chemistry, Biology, and Biotechnology, University of Perugia, Italy
| | | | - Michela Eleuteri
- Department of Chemistry, Biology, and Biotechnology, University of Perugia, Italy
| | - Sara Tuci
- Department of Molecular Medicine, University of Padua, Padua, Italy
| | - Elisa Bianconi
- Department of Pharmaceutical Science, University of Perugia, Italy
| | | | | | - Arianna Loregian
- Department of Molecular Medicine, University of Padua, Padua, Italy.
| | - Laura Goracci
- Department of Chemistry, Biology, and Biotechnology, University of Perugia, Italy.
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20
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Mohamed AT, Hameed RA, El-Moslamy SH, Fareid M, Othman M, Loutfy SA, Kamoun EA, Elnouby M. Facile synthesis of Fe 2O 3, Fe 2O 3@CuO and WO 3 nanoparticles: characterization, structure determination and evaluation of their biological activity. Sci Rep 2024; 14:6081. [PMID: 38480834 PMCID: PMC10937632 DOI: 10.1038/s41598-024-55319-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 02/22/2024] [Indexed: 03/17/2024] Open
Abstract
Due to their high specific surface area and its characteristic's functionalized nanomaterials have great potential in medical applications specialty, as an anticancer. Herein, functional nanoparticles (NPs) based on iron oxide Fe2O3, iron oxide modified with copper oxide Fe2O3@CuO, and tungsten oxide WO3 were facile synthesized for biomedical applications. The obtained nanomaterials have nanocrystal sizes of 35.5 nm for Fe2O3, 7 nm for Fe2O3@CuO, and 25.5 nm for WO3. In addition to octahedral and square nanoplates for Fe2O3, and WO3; respectively. Results revealed that Fe2O3, Fe2O3@CuO, and WO3 NPs showed remarked anticancer effects versus a safe effect on normal cells through cytotoxicity test using MTT-assay. Notably, synthesized NPs e.g. our result demonstrated that Fe2O3@CuO exhibited the lowest IC50 value on the MCF-7 cancer cell line at about 8.876 µg/ml, compared to Fe2O3 was 12.87 µg/ml and WO3 was 9.211 µg/ml which indicate that the modification NPs Fe2O3@CuO gave the highest antiproliferative effect against breast cancer. However, these NPs showed a safe mode toward the Vero normal cell line, where IC50 were monitored as 40.24 µg/ml for Fe2O3, 21.13 µg/ml for Fe2O3@CuO, and 25.41 µg/ml for WO3 NPs. For further evidence. The antiviral activity using virucidal and viral adsorption mechanisms gave practiced effect by viral adsorption mechanism and prevented the virus from replicating inside the cells. Fe2O3@CuO and WO3 NPs showed a complete reduction in the viral load synergistic effect of combinations between the tested two materials copper oxide instead of iron oxide alone. Interestingly, the antimicrobial efficiency of Fe2O3@CuO NPs, Fe2O3NPs, and WO3NPs was evaluated using E. coli, S. aureus, and C. albicans pathogens. The widest microbial inhibition zone (ca. 38.45 mm) was observed with 250 mg/ml of WO3 NPs against E. coli, whereas using 40 mg/ml of Fe2O3@CuO NPS could form microbial inhibition zone ca. 32.86 mm against S. aureus. Nevertheless, C. albicans was relatively resistant to all examined NPs. The superior biomedical activities of these nanostructures might be due to their unique features and accepted evaluations.
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Affiliation(s)
- Asmaa T Mohamed
- Nanotechnology Research Center (NTRC), The British University in Egypt, El-Shorouk City, Suez Desert Road, P.O. Box 43, Cairo, 11837, Egypt
| | - Reda Abdel Hameed
- Basic Science Department, Preparatory Year, University of Ha'il, 1560, Hail, Saudi Arabia
- Medical and Diagnostic Research Centre, University of Ha'il, 55473, Ha'il, Saudi Arabia
| | - Shahira H El-Moslamy
- Bioprocess Development Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg Al-Arab City, 21934, Alexandria, Egypt
| | - Mohamed Fareid
- Basic Science Department, Preparatory Year, University of Ha'il, 1560, Hail, Saudi Arabia
- Medical and Diagnostic Research Centre, University of Ha'il, 55473, Ha'il, Saudi Arabia
| | - Mohamad Othman
- Basic Science Department, Preparatory Year, University of Ha'il, 1560, Hail, Saudi Arabia
- Medical and Diagnostic Research Centre, University of Ha'il, 55473, Ha'il, Saudi Arabia
| | - Samah A Loutfy
- Nanotechnology Research Center (NTRC), The British University in Egypt, El-Shorouk City, Suez Desert Road, P.O. Box 43, Cairo, 11837, Egypt
- Virology and Immunology Unit, Cancer Biology Department, National Cancer Institute (NCI), Cairo University, Fom El-Khalig, 11796, Cairo, Egypt
| | - Elbadawy A Kamoun
- Nanotechnology Research Center (NTRC), The British University in Egypt, El-Shorouk City, Suez Desert Road, P.O. Box 43, Cairo, 11837, Egypt.
- Department of Chemistry, College of Science, King Faisal University, 31982, Al-Ahsa, Saudi Arabia.
- Polymeric Materials Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications, New Borg Al-Arab City, 21934, Alexandria, Egypt.
| | - Mohamed Elnouby
- Nanotechnology and Composite Materials Department, Advanced Technology and New Materials Research (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg Al-Arab City, 21934, Alexandria, Egypt.
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21
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Ghosh AK, Yadav M, Iddum S, Ghazi S, Lendy EK, Jayashankar U, Beechboard SN, Takamatsu Y, Hattori SI, Aamano M, Higashi-Kuwata N, Mitsuya H, Mesecar AD. Exploration of P1 and P4 modifications of nirmatrelvir: Design, synthesis, biological evaluation, and X-ray structural studies of SARS-CoV-2 Mpro inhibitors. Eur J Med Chem 2024; 267:116132. [PMID: 38335815 PMCID: PMC10964431 DOI: 10.1016/j.ejmech.2024.116132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/03/2024] [Accepted: 01/05/2024] [Indexed: 02/12/2024]
Abstract
We report the synthesis, biological evaluation, and X-ray structural studies of a series of SARS-CoV-2 Mpro inhibitors based upon the X-ray crystal structure of nirmatrelvir, an FDA approved drug that targets the main protease of SARS-CoV-2. The studies involved examination of various P4 moieties, P1 five- and six-membered lactam rings to improve potency. In particular, the six-membered P1 lactam ring analogs exhibited high SARS-CoV-2 Mpro inhibitory activity. Several compounds effectively blocked SARS-CoV-2 replication in VeroE6 cells. One of these compounds maintained good antiviral activity against variants of concern including Delta and Omicron variants. A high-resolution X-ray crystal structure of an inhibitor bound to SARS-CoV-2 Mpro was determined to gain insight into the ligand-binding properties in the Mpro active site.
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Affiliation(s)
- Arun K Ghosh
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA; Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN, 47907, USA.
| | - Monika Yadav
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA
| | - Satyanarayana Iddum
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA
| | - Somayeh Ghazi
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA
| | - Emma K Lendy
- Department of Biochemistry, Purdue University, West Lafayette, IN, 47907, USA
| | - Uttara Jayashankar
- Department of Biological Sciences, Purdue University, West Lafayette, IN, 47907, USA
| | - Sydney N Beechboard
- Department of Biochemistry, Purdue University, West Lafayette, IN, 47907, USA
| | - Yuki Takamatsu
- Department of Refractory Viral Diseases, National Center for Global Health and Medicine, Shinjuku, Tokyo, 162-8655, Japan
| | - Shin-Ichiro Hattori
- Department of Refractory Viral Diseases, National Center for Global Health and Medicine, Shinjuku, Tokyo, 162-8655, Japan
| | - Masayuki Aamano
- Department of Clinical Retrovirology, Joint Research Center for Human Retrovirus Infection, Kumamoto University, Kumamoto, 860-0811, Japan
| | - Nobuyo Higashi-Kuwata
- Department of Refractory Viral Diseases, National Center for Global Health and Medicine, Shinjuku, Tokyo, 162-8655, Japan
| | - Hiroaki Mitsuya
- Department of Refractory Viral Diseases, National Center for Global Health and Medicine, Shinjuku, Tokyo, 162-8655, Japan; Department of Infectious Diseases, Kumamoto University School of Medicine, Kumamoto, 860-8556, Japan; Experimental Retrovirology Section, HIV and AIDS Malignancy Branch National Cancer Institute, Bethesda, MD, 20892, USA
| | - Andrew D Mesecar
- Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN, 47907, USA; Department of Biochemistry, Purdue University, West Lafayette, IN, 47907, USA; Department of Biological Sciences, Purdue University, West Lafayette, IN, 47907, USA
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22
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Tharanga EMT, Nadarajapillai K, Sirisena DMKP, Kim G, Jeong T, Wan Q, Lee J. Involvement of tumor necrosis factor receptor-associated factor 6 (TRAF6) in NF-κB activation and antiviral immunity: Molecular and functional characterization of TRAF6 in red-spotted grouper (Epinephelus akaara). Fish Shellfish Immunol 2024; 146:109434. [PMID: 38331055 DOI: 10.1016/j.fsi.2024.109434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 02/05/2024] [Accepted: 02/06/2024] [Indexed: 02/10/2024]
Abstract
Tumor necrosis factor receptor-associated factor 6 (TRAF6) is a member of the TRAF family of adaptor proteins involved in the signal transduction pathways of both TNF receptor and interleukin-1 receptor/Toll-like receptor superfamilies. In this study, red-spotted grouper (Epinephelus akaara) TRAF6 (EaTraf6) was identified and characterized. The open reading frame of EaTraf6, 1713 bp in length, encodes a putative protein of 570 amino acids and has a predicted molecular weight and theoretical isoelectric point of 64.11 kDa and 6.07, respectively. EaTraf6 protein contains an N-terminal RING-type zinc finger domain, two TRAF-type zinc finger domains, a coiled-coil region (zf-TRAF), and a conserved C-terminal meprin and TRAF homology (MATH) domain. EaTraf6 shared the highest amino acid sequence identity with its ortholog from Epinephelus coioides, and phylogenetic analysis showed all fish TRAF6s clustered together and apart from other species. qRT-PCR results revealed that EaTraf6 was ubiquitously expressed in all examined tissues, with the highest level detected in the blood. In the immune challenge, EaTraf6 exhibited modulated mRNA expression levels in the blood and spleen. The subcellular localization analysis revealed that the EaTraf6 protein was predominantly present in the cytoplasm; however, it could translocate into the nucleus following poly (I:C) stimulation. The antiviral function of EaTraf6 was confirmed by analyzing the expression of host antiviral genes and viral genomic RNA during viral hemorrhagic septicemia virus infection. Additionally, luciferase reporter assay results indicated that EaTraf6 is involved in the activation of the NF-κB signaling pathway upon poly (I:C) stimulation. Finally, the effect of EaTraf6 on cytokine gene expression and its role in regulating macrophage M1 polarization were demonstrated. Collectively, these findings suggest that EaTraf6 is a crucial immune-related gene that significantly contributes to antiviral functions and regulation of NF-κB activity in the red-spotted grouper.
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Affiliation(s)
- E M T Tharanga
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea
| | - Kishanthini Nadarajapillai
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea
| | - D M K P Sirisena
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea
| | - Gaeun Kim
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea
| | - Taehyug Jeong
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province, 63333, Republic of Korea
| | - Qiang Wan
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province, 63333, Republic of Korea.
| | - Jehee Lee
- Department of Marine Life Sciences & Fish Vaccine Research Center, Jeju National University, Jeju Self-Governing Province, 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province, 63333, Republic of Korea.
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23
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Wen J, Ke Z, Wang Y, Li Y, Zhang D, Mo X, Yin J, Shi C, Zhou W, Zheng S, Wang Q. Coxsackievirus and adenovirus receptor inhibits tilapia lake virus infection via binding to viral segment 8 and 10 encoded protein. Fish Shellfish Immunol 2024; 146:109438. [PMID: 38341116 DOI: 10.1016/j.fsi.2024.109438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 02/06/2024] [Accepted: 02/07/2024] [Indexed: 02/12/2024]
Abstract
The global aquaculture industry of tilapia (Oreochromis niloticus) has been significantly impacted by the emergence of tilapia lake virus (TiLV). However, effective prevention and control measures are still not available due to a lack of unclear pathogenesis of TiLV. Our previous transcriptome found that coxsackievirus and adenovirus receptor (CAR) was in response to TiLV infection in tilapia. To explore the potential function of OnCAR, the effect of OnCAR on TiLV proliferation was analyzed in this study. The OnCAR open reading frame (ORF) sequence of tilapia was 516 bp in length that encoded 171 amino acids with an Ig-like domain and transmembrane region. The OnCAR gene showed widespread expression in all investigated tissues, with the highest levels in the heart. Moreover, the OnCAR gene in the liver and muscle of tilapia exhibited dynamic expression levels upon TiLV challenge. Subcellular localization analysis indicated that OnCAR protein was mainly localized on the membrane of tilapia brain (TiB) cells. Importantly, the gene transcripts, genome copy number, S8-encoded protein, cytopathic effect, and internalization of TiLV were obviously decreased in the TiB cells overexpressed with OnCAR, indicating that OnCAR could inhibit TiLV replication. Mechanically, OnCAR could interact with viral S8 and S10-encoded protein. To the best of our knowledge, OnCAR is the first potential anti-TiLV cellular surface molecular receptor discovered for inhibiting TiLV infection. This finding is beneficial for better understanding the antiviral mechanism of tilapia and lays a foundation for establishing effective prevention and control strategies against tilapia lake virus disease (TiLVD).
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Affiliation(s)
- Jing Wen
- Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Key Laboratory of Aquatic Animal Immunology and Sustainable Aquaculture, Guangzhou, Guangdong, China; College of Fisheries, Tianjin Agricultural University, Tianjin, China
| | - Zishan Ke
- Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Key Laboratory of Aquatic Animal Immunology and Sustainable Aquaculture, Guangzhou, Guangdong, China
| | - Yingying Wang
- Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Key Laboratory of Aquatic Animal Immunology and Sustainable Aquaculture, Guangzhou, Guangdong, China
| | - Yingying Li
- Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Key Laboratory of Aquatic Animal Immunology and Sustainable Aquaculture, Guangzhou, Guangdong, China
| | - Defeng Zhang
- Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Key Laboratory of Aquatic Animal Immunology and Sustainable Aquaculture, Guangzhou, Guangdong, China
| | - Xubing Mo
- Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Key Laboratory of Aquatic Animal Immunology and Sustainable Aquaculture, Guangzhou, Guangdong, China
| | - Jiyuan Yin
- Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Key Laboratory of Aquatic Animal Immunology and Sustainable Aquaculture, Guangzhou, Guangdong, China
| | - Cunbin Shi
- Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Key Laboratory of Aquatic Animal Immunology and Sustainable Aquaculture, Guangzhou, Guangdong, China
| | - Wenli Zhou
- College of Fisheries, Tianjin Agricultural University, Tianjin, China
| | - Shucheng Zheng
- Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Key Laboratory of Aquatic Animal Immunology and Sustainable Aquaculture, Guangzhou, Guangdong, China; State Key Lab of Marine Pollution, Department of Infectious Diseases and Public Health, City University of Hong Kong, Hong Kong, China.
| | - Qing Wang
- Key Laboratory of Fishery Drug Development, Ministry of Agriculture and Rural Affairs, Key Laboratory of Aquatic Animal Immunology and Sustainable Aquaculture, Guangzhou, Guangdong, China.
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24
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Tharshan Jeyakanesh J, Nadarajapillai K, Tharanga EMT, Park C, Jo Y, Jeong T, Wan Q, Lee J. Amphiprion clarkii DDX41 modulates fish immune responses: Characterization by expression profiling, antiviral assay, and macrophage polarization analysis. Fish Shellfish Immunol 2024; 146:109365. [PMID: 38199263 DOI: 10.1016/j.fsi.2024.109365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/30/2023] [Accepted: 01/07/2024] [Indexed: 01/12/2024]
Abstract
DDX41, a member of the DEAD-box helicase family, serves as a vital cytosolic DNA sensor and plays a pivotal role in controlling the activation of type I interferon responses in mammals. However, the functional aspects of fish DDX41 remain relatively unexplored. In this study, we identified and characterized the DDX41 gene in Amphiprion clarkii transcriptomes and designated the gene as AcDDX41. The complete open reading frame of AcDDX41 encoded a putative protein comprising 617 amino acids. Notably, the predicted AcDDX41 protein shared several structural features that are conserved in DDX41, including DEXDc, HELICc, and zinc finger domains, as well as conserved sequence "Asp-Glu-Ala-Asp (D-E-A-D)." AcDDX41 exhibited the highest sequence homology (99.68 % similarity) with DDX41 from Acanthochromis polyacanthus. Phylogenetic analysis revealed that DDX41s from fish formed a branch distinct from that in other animals. All investigated tissues were shown to express AcDDX41 constitutively, with blood showing the highest expression levels, followed by the brain. Furthermore, AcDDX41 expression was significantly induced upon stimulation with poly I:C, lipopolysaccharide, and Vibrio harveyi, indicating its responsiveness to immune stimuli. We confirmed the antiviral function of AcDDX41 by analyzing gene expression and viral replication during viral hemorrhagic septicemia virus infection. Additionally, using a luciferase reporter assay, we validated the ability of AcDDX41 to activate the NF-κB signaling pathway upon stimulation with poly I:C. Finally, AcDDX41 influenced cytokine gene expression and played a regulatory role in macrophage M1 polarization in RAW 264.7 cells. Collectively, these results highlight the significance of AcDDX41 as an immune-related gene that contributes substantially to antiviral defense and regulation of NF-κB activity.
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Affiliation(s)
- Jeganathan Tharshan Jeyakanesh
- Department of Marine Life Sciences & Center for Genomic Selection in Korean Aquaculture, Jeju National University, Jeju, 63243, Republic of Korea
| | - Kishanthini Nadarajapillai
- Department of Marine Life Sciences & Center for Genomic Selection in Korean Aquaculture, Jeju National University, Jeju, 63243, Republic of Korea
| | - E M T Tharanga
- Department of Marine Life Sciences & Center for Genomic Selection in Korean Aquaculture, Jeju National University, Jeju, 63243, Republic of Korea
| | - Cheonguk Park
- Department of Marine Life Sciences & Center for Genomic Selection in Korean Aquaculture, Jeju National University, Jeju, 63243, Republic of Korea
| | - Yuhwan Jo
- Department of Marine Life Sciences & Center for Genomic Selection in Korean Aquaculture, Jeju National University, Jeju, 63243, Republic of Korea
| | - Taehyug Jeong
- Department of Marine Life Sciences & Center for Genomic Selection in Korean Aquaculture, Jeju National University, Jeju, 63243, Republic of Korea; Marine Science Institute, Jeju, 63333, Republic of Korea
| | - Qiang Wan
- Department of Marine Life Sciences & Center for Genomic Selection in Korean Aquaculture, Jeju National University, Jeju, 63243, Republic of Korea; Marine Science Institute, Jeju, 63333, Republic of Korea.
| | - Jehee Lee
- Department of Marine Life Sciences & Center for Genomic Selection in Korean Aquaculture, Jeju National University, Jeju, 63243, Republic of Korea; Marine Science Institute, Jeju, 63333, Republic of Korea.
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25
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Wong XK, Ng CS, Yeong KY. Shaping the future of antiviral Treatment: Spotlight on Nucleobase-Containing drugs and their revolutionary impact. Bioorg Chem 2024; 144:107150. [PMID: 38309002 DOI: 10.1016/j.bioorg.2024.107150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/28/2023] [Accepted: 01/22/2024] [Indexed: 02/05/2024]
Abstract
Nucleobases serve as essential molecular frameworks present in both natural and synthetic compounds that exhibit notable antiviral activity. Through molecular modifications, novel nucleobase-containing drugs (NCDs) have been developed, exhibiting enhanced antiviral activity against a wide range of viruses, including the recently emerged SARS‑CoV‑2. This article provides a detailed examination of the significant advancements in NCDs from 2015 till current, encompassing various aspects concerning their mechanisms of action, pharmacology and antiviral properties. Additionally, the article discusses antiviral prodrugs relevant to the scope of this review. It fills in the knowledge gap by examining the structure-activity relationship and trend of NCDs as therapeutics against a diverse range of viral diseases, either as approved drugs, clinical candidates or as early-stage development prospects. Moreover, the article highlights on the status of this field of study and addresses the prevailing limitations encountered.
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Affiliation(s)
- Xi Khai Wong
- School of Science, Monash University (Malaysia Campus), Jalan Lagoon Selatan, Bandar Sunway, 47500 Subang Jaya, Selangor, Malaysia
| | - Chen Seng Ng
- School of Science, Monash University (Malaysia Campus), Jalan Lagoon Selatan, Bandar Sunway, 47500 Subang Jaya, Selangor, Malaysia
| | - Keng Yoon Yeong
- School of Science, Monash University (Malaysia Campus), Jalan Lagoon Selatan, Bandar Sunway, 47500 Subang Jaya, Selangor, Malaysia.
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26
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Cavallazzi R, Ramirez JA. Influenza and Viral Pneumonia. Infect Dis Clin North Am 2024; 38:183-212. [PMID: 38280763 DOI: 10.1016/j.idc.2023.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2024]
Abstract
Influenza and other respiratory viruses are commonly identified in patients with community-acquired pneumonia, hospital-acquired pneumonia, and in immunocompromised patients with pneumonia. Clinically, it is difficult to differentiate viral from bacterial pneumonia. Similarly, the radiological findings of viral infection are in general nonspecific. The advent of polymerase chain reaction testing has enormously facilitated the identification of respiratory viruses, which has important implications for infection control measures and treatment. Currently, treatment options for patients with viral infection are limited but there is ongoing research on the development and clinical testing of new treatment regimens and strategies.
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Affiliation(s)
- Rodrigo Cavallazzi
- Division of Pulmonary, Critical Care, and Sleep Disorders, University of Louisville, Louisville, KY, USA.
| | - Julio A Ramirez
- Norton Infectious Diseases Institute, Norton Healthcare, Louisville, KY, USA
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27
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St Clair LA, Chan LLY, Boretsky A, Lin B, Spedding M, Perera R. High-Throughput SARS-CoV-2 Antiviral Testing Method Using the Celigo Image Cytometer. J Fluoresc 2024; 34:561-570. [PMID: 37310590 PMCID: PMC10261830 DOI: 10.1007/s10895-023-03289-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 05/27/2023] [Indexed: 06/14/2023]
Abstract
The COVID-19 pandemic has created a worldwide public health crisis that has since resulted in 6.8 million reported deaths. The pandemic prompted the immediate response of researchers around the world to engage in rapid vaccine development, surveillance programs, and antiviral testing, which resulted in the delivery of multiple vaccines and repurposed antiviral drug candidates. However, the emergence of new highly transmissible SARS-CoV-2 variants has renewed the desire for discovering new antiviral drug candidates with high efficacy against the emerging variants of concern. Traditional antiviral testing methods employ the plaque-reduction neutralization tests (PRNTs), plaque assays, or RT-PCR analysis, but each assay can be tedious and time-consuming, requiring 2-3 days to complete the initial antiviral assay in biologically relevant cells, and then 3-4 days to visualize and count plaques in Vero cells, or to complete cell extractions and PCR analysis. In recent years, plate-based image cytometers have demonstrated high-throughput vaccine screening methods, which can be adopted for screening potential antiviral drug candidates. In this work, we developed a high-throughput antiviral testing method employing the Celigo Image Cytometer to investigate the efficacy of antiviral drug candidates on SARS-CoV-2 infectivity using a fluorescent reporter virus and their safety by measuring the cytotoxicity effects on the healthy host cell line using fluorescent viability stains. Compared to traditional methods, the assays defined here eliminated on average 3-4 days from our standard processing time for antiviral testing. Moreover, we were able to utilize human cell lines directly that are not typically amenable to PRNT or plaque assays. The Celigo Image Cytometer can provide an efficient and robust method to rapidly identify potential antiviral drugs to effectively combat the rapidly spreading SARS-CoV-2 virus and its variants during the pandemic.
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Affiliation(s)
- Laura A St Clair
- Center for Vector-borne Infectious Diseases, Department of Microbiology, Immunology, and Pathology, Colorado State University, CO, 80523, Fort Collins, USA
- Center for Metabolism of Infectious Diseases (C4MInD), Colorado State University, 3185 Rampart Rd, Fort Collins, CO, 80523, USA
| | - Leo Li-Ying Chan
- Department of Advanced Technology R&D, Revvity, 360 Merrimack St. Suite 200, Lawrence, MA, 01843, USA.
| | - Adam Boretsky
- Department of Advanced Technology R&D, Revvity, 360 Merrimack St. Suite 200, Lawrence, MA, 01843, USA
| | - Bo Lin
- Department of Advanced Technology R&D, Revvity, 360 Merrimack St. Suite 200, Lawrence, MA, 01843, USA
| | | | - Rushika Perera
- Center for Vector-borne Infectious Diseases, Department of Microbiology, Immunology, and Pathology, Colorado State University, CO, 80523, Fort Collins, USA.
- Center for Metabolism of Infectious Diseases (C4MInD), Colorado State University, 3185 Rampart Rd, Fort Collins, CO, 80523, USA.
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28
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Sidorenko VS, Cohen I, Dorjee K, Minetti CA, Remeta DP, Gao J, Potapova I, Wang HZ, Hearing J, Yen WY, Kim HK, Hashimoto K, Moriya M, Dickman KG, Yin X, Garcia-Diaz M, Chennamshetti R, Bonala R, Johnson F, Waldeck AL, Gupta R, Li C, Breslauer KJ, Grollman AP, Rosenquist TA. Mechanisms of antiviral action and toxicities of ipecac alkaloids: Emetine and dehydroemetine exhibit anti-coronaviral activities at non-cardiotoxic concentrations. Virus Res 2024; 341:199322. [PMID: 38228190 PMCID: PMC10831786 DOI: 10.1016/j.virusres.2024.199322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/09/2024] [Accepted: 01/13/2024] [Indexed: 01/18/2024]
Abstract
The emergence of highly infectious pathogens with their potential for triggering global pandemics necessitate the development of effective treatment strategies, including broad-spectrum antiviral therapies to safeguard human health. This study investigates the antiviral activity of emetine, dehydroemetine (DHE), and congeneric compounds against SARS-CoV-2 and HCoV-OC43, and evaluates their impact on the host cell. Concurrently, we assess the potential cardiotoxicity of these ipecac alkaloids. Significantly, our data reveal that emetine and the (-)-R,S isomer of 2,3-dehydroemetine (designated in this paper as DHE4) reduce viral growth at nanomolar concentrations (i.e., IC50 ∼ 50-100 nM), paralleling those required for inhibition of protein synthesis, while calcium channel blocking activity occurs at elevated concentrations (i.e., IC50 ∼ 40-60 µM). Our findings suggest that the antiviral mechanisms primarily involve disruption of host cell protein synthesis and is demonstrably stereoisomer specific. The prospect of a therapeutic window in which emetine or DHE4 inhibit viral propagation without cardiotoxicity renders these alkaloids viable candidates in strategies worthy of clinical investigation.
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Affiliation(s)
- Viktoriya S Sidorenko
- Department of Pharmacological Sciences, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA
| | - Ira Cohen
- Department of Physiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York 11794, USA
| | - Kunchok Dorjee
- Division of Infectious Diseases, John Hopkins School of Medicine, Baltimore, Maryland 21205, USA
| | - Conceição A Minetti
- Department of Chemistry and Chemical Biology, Rutgers - The State University of New Jersey, Piscataway, New Jersey 08854, USA
| | - David P Remeta
- Department of Chemistry and Chemical Biology, Rutgers - The State University of New Jersey, Piscataway, New Jersey 08854, USA
| | - Junyuan Gao
- Department of Physiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York 11794, USA
| | - Irina Potapova
- Department of Physiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York 11794, USA
| | - Hong Zhan Wang
- Department of Physiology, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York 11794, USA
| | - Janet Hearing
- Department of Microbiology and Immunology, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York 11794, USA
| | - Wan-Yi Yen
- Department of Microbiology and Immunology, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York 11794, USA
| | - Hwan Keun Kim
- Department of Microbiology and Immunology, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York 11794, USA
| | - Keiji Hashimoto
- Department of Pharmacological Sciences, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA
| | - Masaaki Moriya
- Department of Pharmacological Sciences, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA
| | - Kathleen G Dickman
- Department of Pharmacological Sciences, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA; Department of Medicine, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York 11794, USA
| | - Xingyu Yin
- Department of Pharmacological Sciences, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA
| | - Miguel Garcia-Diaz
- Department of Pharmacological Sciences, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA
| | - Rajesh Chennamshetti
- Department of Pharmacological Sciences, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA
| | - Radha Bonala
- Department of Pharmacological Sciences, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA
| | - Francis Johnson
- Department of Pharmacological Sciences, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA; Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, USA
| | - Amanda L Waldeck
- Department of Pharmacological Sciences, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA; Department of Pharmacy, Stony Brook University Hospital, Stony Brook, New York 11794, USA
| | - Ramesh Gupta
- ChemMaster International Inc., Happauge, New York 11788, USA
| | - Chaoping Li
- Chemistry Service Unit of Shanghai Haoyuan Chemexpress Co., Ltd., Shanghai, PR China 201203
| | - Kenneth J Breslauer
- Department of Chemistry and Chemical Biology, Rutgers - The State University of New Jersey, Piscataway, New Jersey 08854, USA; Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 08901, USA
| | - Arthur P Grollman
- Department of Pharmacological Sciences, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA; Department of Medicine, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York 11794, USA
| | - Thomas A Rosenquist
- Department of Pharmacological Sciences, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA.
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29
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Zhang CY, Hung CH, Hsiao YL, Chang TM, Su YC, Wang LC, Wang SM, Chen SH. Miltefosine reduces coxsackievirus B3 lethality of mice with enhanced STAT3 activation. Antiviral Res 2024; 223:105824. [PMID: 38309307 DOI: 10.1016/j.antiviral.2024.105824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 01/13/2024] [Accepted: 01/26/2024] [Indexed: 02/05/2024]
Abstract
Coxsackievirus B3 (CVB3), one serotype of enteroviruses, can induce fatal myocarditis and hepatitis in neonates, but both treatment and vaccine are unavailable. Few reports tested antivirals to reduce CVB3. Several antivirals were developed against other enterovirus serotypes, but these antivirals failed in clinical trials due to side effects and drug resistance. Repurposing of clinical drugs targeting cellular factors, which enhance viral replication, may be another option. Parasite and cancer studies showed that the cellular protein kinase B (Akt) decreases interferon (IFN), apoptosis, and interleukin (IL)-6-induced STAT3 responses, which suppress CVB3 replication. Furthermore, miltefosine, the Akt inhibitor used in the clinic for parasite infections, enhances IL-6, IFN, and apoptosis responses in treated patients, suggesting that miltefosine could be the potential antiviral for CVB3. This study was therefore designated to test the antiviral effects of miltefosine against CVB3 in vitro and especially, in mice, as few studies test miltefosine in vitro, but not in vivo. In vitro results showed that miltefosine inhibited viral replication with enhanced activation of the cellular transcription factor, STAT3, which is reported to reduce CVB3 both in vitro and in mice. Notably, STAT3 knockdown abolished the anti-CVB3 activity of miltefosine in vitro. Mouse studies demonstrated that miltefosine pretreatment reduced CVB3 lethality of mice with decreased virus loads, organ damage, and apoptosis, but enhanced STAT3 activation. Miltefosine could be prophylaxis for CVB3 by targeting Akt to enhance STAT3 activation in the mechanism, which is independent of IFN responses and hardly reported in pathogen infections.
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Affiliation(s)
- Chun Yu Zhang
- Department of Microbiology and Immunology, College of Medicine, National Cheng Kung University, Tainan, 701, Taiwan
| | - Cheng-Huei Hung
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, 701, Taiwan
| | - Yi-Ling Hsiao
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, 701, Taiwan
| | - Tung-Miao Chang
- Statistical Analysis Laboratory, Department of International Business Management, Tainan University of Technology, Tainan, 710, Taiwan
| | - Yu-Chieh Su
- Department of Hematology and Oncology, E-Da Hospital, Kaohsiung, 824, Taiwan
| | - Li-Chiu Wang
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, 402, Taiwan
| | - Shih-Min Wang
- Center for Infection Control, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, 704, Taiwan; Center of Infectious Disease and Signaling Research, National Cheng Kung University, Tainan, 701, Taiwan
| | - Shun-Hua Chen
- Department of Microbiology and Immunology, College of Medicine, National Cheng Kung University, Tainan, 701, Taiwan; Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, 701, Taiwan; Center of Infectious Disease and Signaling Research, National Cheng Kung University, Tainan, 701, Taiwan.
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30
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Avilés-Alía AI, Zulaica J, Perez JJ, Rubio-Martínez J, Geller R, Granadino-Roldán JM. The Discovery of inhibitors of the SARS-CoV-2 S protein through computational drug repurposing. Comput Biol Med 2024; 171:108163. [PMID: 38417382 DOI: 10.1016/j.compbiomed.2024.108163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 01/08/2024] [Accepted: 02/13/2024] [Indexed: 03/01/2024]
Abstract
SARS-CoV-2 must bind its principal receptor, ACE2, on the target cell to initiate infection. This interaction is largely driven by the receptor binding domain (RBD) of the viral Spike (S) protein. Accordingly, antiviral compounds that can block RBD/ACE2 interactions can constitute promising antiviral agents. To identify such molecules, we performed a virtual screening of the Selleck FDA approved drugs and the Selleck database of Natural Products using a multistep computational procedure. An initial set of candidates was identified from an ensemble docking process using representative structures determined from the analysis of four 3 μ s molecular dynamics trajectories of the RBD/ACE2 complex. Two procedures were used to construct an initial set of candidates including a standard and a pharmacophore guided docking procedure. The initial set was subsequently subjected to a multistep sieving process to reduce the number of candidates to be tested experimentally, using increasingly demanding computational procedures, including the calculation of the binding free energy computed using the MMPBSA and MMGBSA methods. After the sieving process, a final list of 10 candidates was proposed, compounds which were subsequently purchased and tested ex-vivo. The results identified estradiol cypionate and telmisartan as inhibitors of SARS-CoV-2 entry into cells. Our findings demonstrate that the methodology presented here enables the discovery of inhibitors targeting viruses for which high-resolution structures are available.
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Affiliation(s)
- Ana Isabel Avilés-Alía
- Institute for Integrative Systems Biology (I2SysBio, UV-CSIC), C/ Catedrático José Beltrán, 2, 46980, Paterna, Valencia, Spain
| | - Joao Zulaica
- Institute for Integrative Systems Biology (I2SysBio, UV-CSIC), C/ Catedrático José Beltrán, 2, 46980, Paterna, Valencia, Spain
| | - Juan J Perez
- Department of Chemical Engineering, Universitat Politecnica de Catalunya- Barcelona Tech, 08028, Barcelona, Spain
| | - Jaime Rubio-Martínez
- Department of Materials Science and Physical Chemistry, University of Barcelona and the Institut de Recerca en Quimica Teorica i Computacional (IQTCUB), 08028, Barcelona, Spain
| | - Ron Geller
- Institute for Integrative Systems Biology (I2SysBio, UV-CSIC), C/ Catedrático José Beltrán, 2, 46980, Paterna, Valencia, Spain.
| | - José M Granadino-Roldán
- Departamento de Química Física y Analítica. Universidad de Jaén, Campus "Las Lagunillas" s/n, 23071, Jaén, Spain.
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31
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Okasha NI, Abdel Rahman M, Nafie MS, Abo Shama NM, Mostafa A, El-Ebeedy DA, Abdel Azeiz AZ. Identification of potential antiviral compounds from Egyptian sea stars against seasonal influenza A/H1N1 virus. J Genet Eng Biotechnol 2024; 22:100334. [PMID: 38494269 PMCID: PMC10980850 DOI: 10.1016/j.jgeb.2023.100334] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
BACKGROUND One of the most dangerous problems that the world faced recently is viral respiratory pathogens. Marine creatures, including Echinodermata, specially Asteroidea class (starfish) have been extensively studied due to their miscellaneous bioactivities, excellent pharmacological properties, and complex secondary metabolites, including steroids, steroidal glycosides, anthraquinones, alkaloids, phospholipids, peptides, and fatty acids. These chemical constituents show antiviral activities against a wide range of viruses, including respiratory viruses. RESULTS The present study aimed at the identification of potential antiviral compounds from some starfish species. The bioactive compounds from Pentaceraster cumingi, Astropecten polyacanthus, and Pentaceraster mammillatus were extracted using two different solvents (ethyl acetate and methanol). The antiviral activity against influenza A/H1N1 virus showed that ethyl acetate extract from Pentaceraster cumingi has the highest activity, where the selective index was 150.8. The bioactive compounds of this extract were identified by GC/MS analysis. The molecular docking study highlighted the virtual mechanism of binding of the identified compounds towards polymerase basic protein 2 and neuraminidase for H1N1 virus. Interestingly, linoleic acid showed promising binding energy of -10.12 Kcal/mol and -24.20 Kcal/mol for the selected two targets, respectively, and it formed good interactive modes with the key amino acids inside both proteins. CONCLUSION The molecular docking analysis showed that linoleic acid was the most active antiviral compound from P. cumingi. Further studies are recommended for in-vitro and in-vivo evaluation of this compound against influenza A/H1N1 virus.
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Affiliation(s)
- Nadia I Okasha
- College of Biotechnology, Misr University for Science and Technology (MUST), 6th October city 12573, Egypt.
| | - Mohamed Abdel Rahman
- Zoology Department, Faculty of Science, Suez Canal University, Ismailia 41522, Egypt.
| | - Mohammed S Nafie
- Chemistry Department, Faculty of Science, Suez Canal University, Ismailia 41522, Egypt.
| | - Noura M Abo Shama
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Giza 12622, Egypt.
| | - Ahmed Mostafa
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Giza 12622, Egypt.
| | - Dalia A El-Ebeedy
- College of Biotechnology, Misr University for Science and Technology (MUST), 6th October city 12573, Egypt.
| | - Ahmed Z Abdel Azeiz
- College of Biotechnology, Misr University for Science and Technology (MUST), 6th October city 12573, Egypt.
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32
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Pillai U J, Cherian L, Taunk K, Iype E, Dutta M. Identification of antiviral phytochemicals from cranberry as potential inhibitors of SARS-CoV-2 main protease (M pro). Int J Biol Macromol 2024; 261:129655. [PMID: 38266830 DOI: 10.1016/j.ijbiomac.2024.129655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 01/11/2024] [Accepted: 01/19/2024] [Indexed: 01/26/2024]
Abstract
Cranberry phytochemicals are known to possess antiviral activities. In the current study, we explored the therapeutic potential of cranberry against SARS-CoV-2 by targeting its main protease (Mpro) enzyme. Firstly, phytochemicals of cranberry origin were identified from three independent databases. Subsequently, virtual screening, using molecular docking and molecular dynamics simulation approaches, led to the identification of three lead phytochemicals namely, cyanidin 3-O-galactoside, β-carotene and epicatechin. Furthermore, in vitro enzymatic assays revealed that cyanidin 3-O-galactoside had the highest inhibitory potential with IC50 of 9.98 μM compared to the other two phytochemicals. Cyanidin 3-O-galactoside belongs to the class of anthocyanins. Anthocyanins extracted from frozen cranberry also exhibited the highest inhibitory potential with IC50 of 23.58 μg/ml compared to the extracts of carotenoids and flavanols, the class for β-carotene and epicatechin, respectively. Finally, we confirm the presence of the phytochemicals in the cranberry extracts using targeted LC-MS/MS analysis. Our results, therefore, indicate that the identified cranberry-derived bioactive compounds as well as cranberry could be used for therapeutic interventions against SARS-CoV-2.
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Affiliation(s)
- Jisha Pillai U
- Department of Biotechnology, Birla Institute of Technology and Science (BITS) Pilani-Dubai Campus, Academic City, Dubai, United Arab Emirates
| | - Lucy Cherian
- Department of Biotechnology, Birla Institute of Technology and Science (BITS) Pilani-Dubai Campus, Academic City, Dubai, United Arab Emirates
| | - Khushman Taunk
- Proteomics Laboratory, National Centre for Cell Science, Ganeshkhind, Pune, Maharashtra, India
| | - Eldhose Iype
- College of Engineering and Technology, American University of the Middle East, Kuwait
| | - Mainak Dutta
- Department of Biotechnology, Birla Institute of Technology and Science (BITS) Pilani-Dubai Campus, Academic City, Dubai, United Arab Emirates.
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Van Dijck C, Crozier I, Vercauteren K, Brosius I, Mbala-Kingebeni P, Dodd L, Bottieau E, Tshiani Mbaya O, Nussenblatt V, Neyts J, Liesenborghs L. Beware of drug resistance: Let's not lose tecovirimat against mpox. Clin Microbiol Infect 2024; 30:276-278. [PMID: 37741622 DOI: 10.1016/j.cmi.2023.09.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 08/28/2023] [Accepted: 09/16/2023] [Indexed: 09/25/2023]
Affiliation(s)
- Christophe Van Dijck
- Department of Clinical Sciences, Institute of Tropical Medicine, Antwerp, Belgium
| | - Ian Crozier
- Clinical Monitoring Research Program Directorate, Frederick National Laboratory for Cancer Research, Frederick, MD, USA
| | - Koen Vercauteren
- Department of Clinical Sciences, Institute of Tropical Medicine, Antwerp, Belgium
| | - Isabel Brosius
- Department of Clinical Sciences, Institute of Tropical Medicine, Antwerp, Belgium
| | - Placide Mbala-Kingebeni
- Institut National de Recherche Biomédicale, University of Kinshasa, Kinshasa, Democratic Republic of Congo
| | - Lori Dodd
- National Institute for Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Emmanuel Bottieau
- Department of Clinical Sciences, Institute of Tropical Medicine, Antwerp, Belgium
| | - Olivier Tshiani Mbaya
- Clinical Monitoring Research Program Directorate, Frederick National Laboratory for Cancer Research, Frederick, MD, USA; Institut National de Recherche Biomédicale, University of Kinshasa, Kinshasa, Democratic Republic of Congo
| | - Veronique Nussenblatt
- National Institute for Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Johan Neyts
- KU Leuven Department of Microbiology, Immunology and Transplantation, Rega Institute, Laboratory of Virology and Chemotherapy, Leuven, Belgium; KU Leuven VirusBank Platform, Leuven, Belgium
| | - Laurens Liesenborghs
- Department of Clinical Sciences, Institute of Tropical Medicine, Antwerp, Belgium; KU Leuven Department of Microbiology, Immunology and Transplantation, Rega Institute, Laboratory of Virology and Chemotherapy, Leuven, Belgium.
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Sachan S, Potluri VK, Gopinath H, Sravanthi KL, N P, Bharti JN, Haritha T. Recalcitrant ulcerative genital herpes in an immunocompetent individual treated successfully with imiquimod. Int J STD AIDS 2024; 35:231-233. [PMID: 37938029 DOI: 10.1177/09564624231213110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
BACKGROUND This case report describes the successful use of imiquimod to treat genital herpes in an immunocompetent individual with acyclovir-resistant HSV. CASE REPORT A 32 year old male patient, presented with asymptomatic non-healing ulcers over the genital region for 2 years. The ulcers initially responded to acyclovir but became persistent after a few months. He also received multiple courses of antibiotics. On examination, the patient had bilateral inguinal lymphadenopathy and multiple painless ulcers over the coronal sulcus. Routine investigations were normal. The patient was treated with oral and intravenous acyclovir but showed no response. He was then started on topical imiquimod cream applied on alternate days. After one week, the patient presented with pain, redness, burning sensation, and fresh ulcer over the glans which were suspected to be imiquimod-induced irritant reaction or ulcer. Imiquimod was withheld for one week and then restarted at a twice-weekly schedule. After 1 month and 7 days of treatment with imiquimod at a twice-weekly schedule, there was healing of the ulcers. CONCLUSION This case report illustrates the efficacy of imiquimod cream as a topical treatment for genital herpes simplex in an immunocompetent patient who had previously been unresponsive to treatment with acyclovir.
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Affiliation(s)
- Suvigya Sachan
- Senior Resident, Department of Dermatology, AIIMS Mangalagiri, Mangalagiri, India
| | - Vijay Kiran Potluri
- Non Academic Junior Resident, Department of Dermatology, AIIMS Mangalagiri, Mangalagiri, India
| | - Hima Gopinath
- Associate Professor, Department of Dermatology, AIIMS Mangalagiri, Mangalagiri, India
| | - Kode Leela Sravanthi
- Senior Resident, Department of Dermatology, AIIMS Mangalagiri, Mangalagiri, India
| | - Prabhakaran N
- Assistant Professor, Department of Dermatology, AIIMS Mangalagiri, Mangalagiri, India
| | - Jyotsna Naresh Bharti
- Additional Professor and HOD, Department of Pathology, AIIMS Mangalagiri, Mangalagiri, India
| | - Thiruveedhula Haritha
- Additional Professor and HOD, Department of Dermatology, AIIMS Mangalagiri, Mangalagiri, India
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Kargarzadeh H, Kobylińska A, Antos-Bielska M, Krzyżowska M, Gałęski A. Exploring the potential of lignin nanoparticles in enhancing the mechanical, thermal, and bioactive properties of poly (butylene adipate-co-terephthalate). Int J Biol Macromol 2024; 262:129880. [PMID: 38307427 DOI: 10.1016/j.ijbiomac.2024.129880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 01/29/2024] [Accepted: 01/30/2024] [Indexed: 02/04/2024]
Abstract
The preparation and characterization of lignin nanoparticles (LNPs) were described. LNPs were produced via the precipitation technique. Nanocomposites of LNPs with poly (butylene adipate-co-terephthalate) (PBAT) were prepared by melt mixing with various concentrations up to 6 wt% of LNPs. The assessment of the effects of LNP addition on the mechanical, thermal, morphological, cytotoxicity, antioxidant, antibacterial, and antiviral properties of nanocomposites was carefully performed. The addition of LNPs to PBAT enhances the thermal stability of the nanocomposites. The antioxidant effect of LNPs on PBAT increased with increasing filler content. LNPs showed higher efficiency as antioxidant agents than lignin particles (LP). The tensile modulus increased by 20 % for the nanocomposites with 6 % LNPs in comparison with neat PBAT. The crystallization peak temperature of PBAT was 80 °C, which increased to 104.6 °C with the addition of 6 wt% of LNPs, suggesting their strong nucleation activity. Antibacterial tests demonstrated the bacteriostatic activities of LNP, LP, and nanocomposites. Both LP and LNP showed considerable antiviral activity against herpes simplex virus type 1 and human coronavirus 229e. The antiviral activity of LNP was concentration-dependent. The findings suggest that LNP is a promising bio-additive for PBAT and can enhance its properties for various applications, including food packaging.
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Affiliation(s)
- Hanieh Kargarzadeh
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Lodz, Poland.
| | - Agnieszka Kobylińska
- Department of Plant Ecophysiology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland
| | - Małgorzata Antos-Bielska
- Department of Nanobiology and Biomaterials, Military Institute of Hygiene and Epidemiology, Kozielska 4, 01-163 Warsaw, Poland
| | - Małgorzata Krzyżowska
- Department of Nanobiology and Biomaterials, Military Institute of Hygiene and Epidemiology, Kozielska 4, 01-163 Warsaw, Poland
| | - Andrzej Gałęski
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Lodz, Poland
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Shari K, Mohamed OG, Meselhy KM, Tripathi A, Khaleel AE, Abdel-Sattar E, Gedaily RAE. Cytotoxic and antiviral activities of Jatropha variegata and Jatropha spinosa in relation to their metabolite profile. Sci Rep 2024; 14:4846. [PMID: 38418513 PMCID: PMC10902333 DOI: 10.1038/s41598-024-55196-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 02/21/2024] [Indexed: 03/01/2024] Open
Abstract
Jatropha variegata and Jatropha spinosa (family: Euphorbiaceae) are utilized in Yemeni traditional medicine to treat respiratory tract infection and in different skin conditions such as wound healing, as antibacterial and hemostatic. In this study, we evaluated the cytotoxicity and the antiviral activities of the methanolic J. variegata (leaves: Ext-1, stems: Ext-2, and roots: Ext-3), and J. spinosa extracts (aerial parts: Ext-4 and roots: Ext-5), in addition to their methylene chloride fractions of roots extracts (F-6 and F-7, respectively). All samples were tested against three human cancer cell lines in vitro (MCF-7, HepG2, and A549) and two viruses (HSV-2 and H1N1). Both plants showed significant cytotoxicity, among them, the methylene chloride fractions of roots of J. variegata (F-6) and J. spinosa roots (F-7) showed the highest activity on MCF-7 (IC50 = 1.4 and 1 μg/mL), HepG2 (IC50 = 0.64 and 0.24 μg/mL), and A549 (IC50 = 0.7 and 0.5 μg/mL), respectively, whereas the IC50 values of the standard doxorubicin were (3.83, 4.73, and 4.57 μg/mL) against MCF-7, HepG2, and A549, respectively. These results revealed that the roots of both plants are potential targets for cytotoxic activities. The in vitro results revealed potential antiviral activity for each of Ext-3, Ext-5, F-6, and F-7 against HVS-2 with IC50 of 101.23, 68.83, 4.88, 3.24 μg/mL and against H1N1 with IC50 of 51.29, 27.92, 4.24, and 3.06 μg/mL respectively, whereas the IC50 value of the standard acyclovir against HVS-2 was 83.19 μg/mL and IC50 value of the standard ribavirin against H1N1 was 52.40 μg/mL .The methanol extracts of the roots (Ext-3 and Ext-5) of both plants were characterized using UPLC/MS. A total of 73 metabolites were annotated, including fourteen diterpenoids, eleven flavonoids, ten phenolic acid conjugates, twelve fatty acids and their conjugates, five triterpenes and steroids, two sesquiterpenes, and six coumarins. The cytotoxicity and antiviral activities determined in the present work are explained by the existence of flavonoids, coumarins and diterpenes with commonly known cytotoxicity and antiviral activities.
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Affiliation(s)
- Khawlah Shari
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Kasr El Aini St, Cairo, 11562, Egypt
| | - Osama G Mohamed
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Kasr El Aini St, Cairo, 11562, Egypt
- Natural Products Discovery Core, Life Sciences Institute, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Khaled M Meselhy
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Kasr El Aini St, Cairo, 11562, Egypt
| | - Ashootosh Tripathi
- Natural Products Discovery Core, Life Sciences Institute, University of Michigan, Ann Arbor, MI, 48109, USA
- Department of Medicinal Chemistry, College of Pharmacy, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Amal E Khaleel
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Kasr El Aini St, Cairo, 11562, Egypt
| | - Essam Abdel-Sattar
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Kasr El Aini St, Cairo, 11562, Egypt.
| | - Rania A El Gedaily
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Kasr El Aini St, Cairo, 11562, Egypt
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Tecalco-Cruz AC, Medina-Abreu KH, Oropeza-Martínez E, Zepeda-Cervantes J, Vázquez-Macías A, Macías-Silva M. Deregulation of interferon-gamma receptor 1 expression and its implications for lung adenocarcinoma progression. World J Clin Oncol 2024; 15:195-207. [PMID: 38455133 PMCID: PMC10915940 DOI: 10.5306/wjco.v15.i2.195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 01/05/2024] [Accepted: 01/30/2024] [Indexed: 02/20/2024] Open
Abstract
Interferon-gamma (IFN-γ) plays a dual role in cancer; it is both a pro- and an antitumorigenic cytokine, depending on the type of cancer. The deregulation of the IFN-γ canonic pathway is associated with several disorders, including vulnerability to viral infections, inflammation, and cancer progression. In particular, the interplay between lung adenocarcinoma (LUAD) and viral infections appears to exist in association with the deregulation of IFN-γ signaling. In this mini-review, we investigated the status of the IFN-γ signaling pathway and the expression level of its components in LUAD. Interestingly, a reduction in IFNGR1 expression seems to be associated with LUAD progression, affecting defenses against viruses such as severe acute respiratory syndrome coronavirus 2. In addition, alterations in the expression of IFNGR1 may inhibit the antiproliferative action of IFN-γ signaling in LUAD.
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Affiliation(s)
- Angeles C Tecalco-Cruz
- Posgrado en Ciencias Genómicas, Universidad Autónoma de la Ciudad de México, CDMX 03100, Mexico
| | - Karen H Medina-Abreu
- Posgrado en Ciencias Genómicas, Universidad Autónoma de la Ciudad de México, CDMX 03100, Mexico
| | | | - Jesus Zepeda-Cervantes
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, CDMX 04510, Mexico
| | - Aleida Vázquez-Macías
- Colegio de Ciencias y Humanidades, Universidad Autónoma de la Ciudad de México, CDMX 03100, Mexico
| | - Marina Macías-Silva
- Instituo de Fisiología Celular, Universidad Nacional Autónoma de México, CDMX 04510, Mexico
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Baghban N, Momeni S, Behboudi E, Dianat-Moghadam H, Darabi A, Targhi HS, Keshavarz M. Green synthesis of MnO 2 NPs using Arabic gum: assessing its potential antiviral activity against influenza A/H1N1. Virol J 2024; 21:48. [PMID: 38395943 PMCID: PMC10893694 DOI: 10.1186/s12985-024-02315-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 02/12/2024] [Indexed: 02/25/2024] Open
Abstract
BACKGROUND The antiviral properties of metal nanoparticles against various viruses, including those resistant to drugs, are currently a subject of intensive research. Recently, the green synthesis of nanoparticles and their anti-viral function have attracted a lot of attention. Previous studies have shown promising results in the use of Arabic gum for the green synthesis of nanoparticles with strong antiviral properties. In this study we aimed to investigate the antiviral effects of MnO2 nanoparticles (MnO2-NPs) synthesized using Arabic gum, particularly against the influenza virus. METHODS Arabic gum was used as a natural polymer to extract and synthesize MnO2-NPs using a green chemistry approach. The synthesized MnO2-NPs were characterized using SEM and TEM. To evaluate virus titration, cytotoxicity, and antiviral activity, TCID50, MTT, and Hemagglutination assay (HA) were performed, respectively. Molecular docking studies were also performed to investigate the potential antiviral activity of the synthesized MnO2-NPs against the influenza virus. The molecular docking was carried out using AutoDock Vina software followed by an analysis with VMD software to investigate the interaction between Arabic gum and the hemagglutinin protein. RESULTS Simultaneous combination treatment with the green-synthesized MnO2-NPs resulted in a 3.5 log HA decrement and 69.7% cellular protection, which demonstrated the most significant difference in cellular protection compared to the virus control group (p-value < 0.01). The docking results showed that binding affinities were between - 3.3 and - 5.8 kcal/mole relating with the interaction between target with MnO2 and beta-D-galactopyranuronic acid, respectively. CONCLUSION The results of the study indicated that the MnO2-NPs synthesized with Arabic gum had significant antiviral effects against the influenza virus, highlighting their potential as a natural and effective treatment for inhibition of respiratory infections.
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Affiliation(s)
- Neda Baghban
- The Persian Gulf Marine Biotechnology Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Safieh Momeni
- The Persian Gulf Marine Biotechnology Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Emad Behboudi
- Department of Basic Medical Sciences, Khoy University of Medical Sciences, Khoy, Iran
| | - Hassan Dianat-Moghadam
- Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
- Pediatric Inherited Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Amirhossein Darabi
- The Persian Gulf Tropical Medicine Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran
| | | | - Mohsen Keshavarz
- The Persian Gulf Tropical Medicine Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran.
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Kim YS, Kim KA, Seo HY, Kim SH, Lee HM. Antioxidant and anti-hepatitis A virus activities of Ecklonia cava Kjellman extracts. Heliyon 2024; 10:e25600. [PMID: 38333821 PMCID: PMC10850589 DOI: 10.1016/j.heliyon.2024.e25600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 01/30/2024] [Accepted: 01/30/2024] [Indexed: 02/10/2024] Open
Abstract
Ecklonia cava is a nutrient-rich algae species that contains abundant physiological phytochemicals, including peptides, carotenoids, fucoidans, and phlorotannins. However, elucidation of the antiviral effects of this algae and identification of new functional ingredients warrant further investigation. This study was aimed at investigating the potential anti-hepatitis A virus activities of extracts of E. cava prepared in different solvents. E. cava extracts were prepared using hot water and 70 % ethanol. The antioxidant activities of the extracts were confirmed by analyzing the total phenolic content, as well as 2,2-diphenyl-1-picrylhydrazyl and 2,2'-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid radical scavenging activities. The inhibitory effects of the extracts against hepatitis A virus were analyzed using real-time polymerase chain reaction. The E. cava extract yield was 22.5-27.2 % depending on the extraction solvent. The 2,2-diphenyl-1-picrylhydrazyl radical scavenging activity was 70.44 % and 91.05 % for hot water and ethanol extracts at a concentration of 1000 ppm. The 2,2'-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid radical scavenging activity of the ethanol extract was the highest (93.57 %) at 1000 μg/mL. Fourier-transform infrared was used to identify the functional groups (phlorotannin and alginate) in the extraction solvents. Ultra-high performance liquid chromatography with quadrupole time-of-flight tandem mass spectrometry analysis revealed a potential bioactive compound previously unidentified in E. cava. Finally, we identified the antiviral activity of E. cava extracts against hepatitis A virus replication. These findings demonstrate that E. cava could be used as an anti-hepatitis A virus functional food and biological material.
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Affiliation(s)
- Ye-Sol Kim
- Kimchi Industry Promotion Division, World Institute of Kimchi, Gwangju, 61755, South Korea
- Pulmuone Institute of Technology, Cheongju, 28164, South Korea
| | - Ki An Kim
- Marine Biotechnology Research Center, Jeonnam Bioindustry Foundation, Jeollanam-do, 59108, South Korea
- Department of Food Science & Technology, Chonnam National University, Gwangju, 61186, South Korea
| | - Hye-Young Seo
- Kimchi Industry Promotion Division, World Institute of Kimchi, Gwangju, 61755, South Korea
| | - Sung Hyun Kim
- Kimchi Industry Promotion Division, World Institute of Kimchi, Gwangju, 61755, South Korea
| | - Hee Min Lee
- Kimchi Industry Promotion Division, World Institute of Kimchi, Gwangju, 61755, South Korea
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Bromberg L, Magariños B, Torres BS, Santos Y, Concheiro A, Hatton TA, Alvarez-Lorenzo C. Multifunctional polymeric guanidine and hydantoin halamines with broad biocidal activity. Int J Pharm 2024; 651:123779. [PMID: 38181993 DOI: 10.1016/j.ijpharm.2024.123779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 12/30/2023] [Accepted: 01/02/2024] [Indexed: 01/07/2024]
Abstract
Prolonged and excessive use of biocides during the coronavirus disease era calls for incorporating new antiviral polymers that enhance the surface design and functionality for existing and potential future pandemics. Herein, we investigated previously unexplored polyamines with nucleophilic biguanide, guanidine, and hydantoin groups that all can be halogenated leading to high contents of oxidizing halogen that enables enhancement of the biocidal activity. Primary amino groups can be used to attach poly(N-vinylguanidine) (PVG) and poly(allylamine-co-4-aminopyridine-co-5-(4-hydroxybenzylidene)hydantoin) (PAH) as well as a broad-spectrum commercial biocide poly(hexamethylene biguanide) (PHMB) onto a solid support. Halogenation of polymer suspensions was conducted through in situ generation of excess hypobromous acid (HBrO) from bromine and sodium hydroxide or by sodium hypochlorite in aqueous solutions, resulting in N-halamines with high contents of active > N-Br or > N-Cl groups. The virucidal activity of the polymers against human respiratory coronavirus HCoV-229E increased dramatically with their halogenation. Brominated PHMB-Br showed activation activity value > 5 even at 1 mg/L, and complete virus inhibition was observed with either PHMB-Br or PAH-Br at 10 mg/mL. Brominated PVG-Br and PAH-Br possessed fungicidal activity against C. albicans, while PHMB was fungistatic. PHMB, PHMB-Br and PAH polymers demonstrated excellent bactericidal activity against the methicillin-resistant S. aureus and vancomycin-resistant E. faecium. Brominated polymers (PHMB-Br, PVG-Br, PAH-Br) were not toxic to the HeLa monolayers, indicating acceptable biocompatibility to cultured human cells. With these features, the N-halamine polymers of the present study are a worthwhile addition to the arsenal of biocides and are promising candidates for development of non-leaching coatings.
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Affiliation(s)
- Lev Bromberg
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Beatriz Magariños
- Department of Microbiology and Parasitology, Facultad de Biología, CIBUS, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Beatriz S Torres
- Department of Microbiology and Parasitology, Facultad de Biología, CIBUS, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Ysabel Santos
- Department of Microbiology and Parasitology, Institute of Research on Chemical and Biological Analysis (IAQBUS), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Angel Concheiro
- Department of Pharmacology, Pharmacy and Pharmaceutical Technology, I+D Farma Group (GI-1645), Facultad de Farmacia, Instituto de Materiales (iMATUS), and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - T Alan Hatton
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Carmen Alvarez-Lorenzo
- Department of Pharmacology, Pharmacy and Pharmaceutical Technology, I+D Farma Group (GI-1645), Facultad de Farmacia, Instituto de Materiales (iMATUS), and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
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Hikmawanti NPE, Saputri FC, Yanuar A, Jantan I, Ningrum RA, Mun'im A. Insights into the anti-infective effects of Pluchea indica (L.) Less and its bioactive metabolites against various bacteria, fungi, viruses, and parasites. J Ethnopharmacol 2024; 320:117387. [PMID: 37944874 DOI: 10.1016/j.jep.2023.117387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 10/12/2023] [Accepted: 11/02/2023] [Indexed: 11/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Pluchea indica (L.) Less (family Asteraceae) is popularly consumed as a medicinal vegetable and used in ethnomedicine to treat various diseases including gastrointestinal problems such as dysentery and leucorrhoea, which are due to bacterial, fungal or parasitic infections. There have been numerous studies on the antimicrobial effects of the plant due to these ethnomedicine use. AIM OF THIS REVIEW This review is comprehensively discussed the information on the anti-infective properties of P. indica and its secondary metabolites, and highlight the potential of the plant as a new source of anti-infective agents. MATERIALS AND METHODS Scientific databases such as Scopus, Google Scholar, ScienceDirect, PubMed, Wiley Online Library, and ACS Publications were used to gather the relevant information on the ability of P. indica to fight infections, with the leaves and roots receiving most of the attention. RESULTS Anti-bacterial, anti-mycobacterial, anti-malarial, and anti-viral activities have been the most exploited. Most studies were carried out on the crude extracts of the plant and in most studies the bioactive extracts were not standardized or chemically characterized. Several studies have reported the anti-infective activity of several bioactive components of P. indica including caffeoylquinic acids, terpenoid glycosides, thiophenes, and kaempferol. CONCLUSIONS The strong anti-infective effect and underlying mechanisms of the compounds provide insights into the potential of P. indica as a source of new leads for the development of anti-infective agents for use in food and pharmaceutical industries.
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Affiliation(s)
- Ni Putu Ermi Hikmawanti
- Graduate Program of Pharmaceutical Sciences, Faculty of Pharmacy, Universitas Indonesia, Cluster of Health Sciences Building, Depok, 16424, West Java, Indonesia; Department of Pharmaceutical Biology, Faculty of Pharmacy and Sciences, Universitas Muhammadiyah Prof. DR. HAMKA, East Jakarta, 13460, DKI Jakarta, Indonesia; National Metabolomics Collaborative Research Center, Faculty of Pharmacy, Universitas Indonesia, Depok, West Java, 16424, Indonesia.
| | - Fadlina Chany Saputri
- Department of Pharmacology-Toxicology, Faculty of Pharmacy, Universitas Indonesia, Depok, 16424, West Java, Indonesia; National Metabolomics Collaborative Research Center, Faculty of Pharmacy, Universitas Indonesia, Depok, West Java, 16424, Indonesia.
| | - Arry Yanuar
- Department of Biomedical Computation-Drug Design, Faculty of Pharmacy, Universitas Indonesia, Depok, 16424, West Java, Indonesia; National Metabolomics Collaborative Research Center, Faculty of Pharmacy, Universitas Indonesia, Depok, West Java, 16424, Indonesia.
| | - Ibrahim Jantan
- Institute of Systems Biology (INBIOSIS), Universiti Kebangsaan Malaysia, UKM Bangi, 43600, Selangor, Malaysia.
| | - Ratih Asmana Ningrum
- Research Center for Genetic Engineering, National Research and Innovation Agency (BRIN), Raya Bogor Street KM.46, Cibinong, Bogor, West Java, 16911, Indonesia; National Metabolomics Collaborative Research Center, Faculty of Pharmacy, Universitas Indonesia, Depok, West Java, 16424, Indonesia.
| | - Abdul Mun'im
- Department of Pharmacognosy-Phytochemistry, Faculty of Pharmacy, Universitas Indonesia, Cluster of Health Sciences Building, Depok, 16424, West Java, Indonesia; National Metabolomics Collaborative Research Center, Faculty of Pharmacy, Universitas Indonesia, Depok, West Java, 16424, Indonesia.
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García-Rodríguez I, Moreni G, Capendale PE, Mulder L, Aknouch I, Vieira de Sá R, Johannesson N, Freeze E, van Eijk H, Koen G, Wolthers KC, Pajkrt D, Sridhar A, Calitz C. Assessment of the broad-spectrum host targeting antiviral efficacy of halofuginone hydrobromide in human airway, intestinal and brain organotypic models. Antiviral Res 2024; 222:105798. [PMID: 38190972 DOI: 10.1016/j.antiviral.2024.105798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 01/02/2024] [Accepted: 01/04/2024] [Indexed: 01/10/2024]
Abstract
Halofuginone hydrobromide has shown potent antiviral efficacy against a variety of viruses such as SARS-CoV-2, dengue, or chikungunya virus, and has, therefore, been hypothesized to have broad-spectrum antiviral activity. In this paper, we tested this broad-spectrum antiviral activity of Halofuginone hydrobomide against viruses from different families (Picornaviridae, Herpesviridae, Orthomyxoviridae, Coronaviridae, and Flaviviridae). To this end, we used relevant human models of the airway and intestinal epithelium and regionalized neural organoids. Halofuginone hydrobomide showed antiviral activity against SARS-CoV-2 in the airway epithelium with no toxicity at equivalent concentrations used in human clinical trials but not against any of the other tested viruses.
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Affiliation(s)
- Inés García-Rodríguez
- Emma Children's Hospital, Department of Pediatric Infectious Diseases, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, Amsterdam Institute for Reproduction and Development, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands; OrganoVIR Labs, Department of Medical Microbiology, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands
| | - Giulia Moreni
- Emma Children's Hospital, Department of Pediatric Infectious Diseases, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, Amsterdam Institute for Reproduction and Development, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands; OrganoVIR Labs, Department of Medical Microbiology, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands
| | - Pamela E Capendale
- Emma Children's Hospital, Department of Pediatric Infectious Diseases, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, Amsterdam Institute for Reproduction and Development, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands; OrganoVIR Labs, Department of Medical Microbiology, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands
| | - Lance Mulder
- Emma Children's Hospital, Department of Pediatric Infectious Diseases, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, Amsterdam Institute for Reproduction and Development, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands; OrganoVIR Labs, Department of Medical Microbiology, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands
| | - Ikrame Aknouch
- Emma Children's Hospital, Department of Pediatric Infectious Diseases, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, Amsterdam Institute for Reproduction and Development, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands; OrganoVIR Labs, Department of Medical Microbiology, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands; Viroclinics Xplore, Schaijk, the Netherlands
| | - Renata Vieira de Sá
- Emma Children's Hospital, Department of Pediatric Infectious Diseases, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, Amsterdam Institute for Reproduction and Development, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands; OrganoVIR Labs, Department of Medical Microbiology, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands; UniQure Biopharma B.V., Department of Research & Development, Paasheuvelweg 25A, 1105, BE, Amsterdam, the Netherlands
| | - Nina Johannesson
- Emma Children's Hospital, Department of Pediatric Infectious Diseases, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, Amsterdam Institute for Reproduction and Development, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands; OrganoVIR Labs, Department of Medical Microbiology, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands
| | - Eline Freeze
- Emma Children's Hospital, Department of Pediatric Infectious Diseases, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, Amsterdam Institute for Reproduction and Development, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands; OrganoVIR Labs, Department of Medical Microbiology, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands
| | - Hetty van Eijk
- Emma Children's Hospital, Department of Pediatric Infectious Diseases, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, Amsterdam Institute for Reproduction and Development, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands; OrganoVIR Labs, Department of Medical Microbiology, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands
| | - Gerrit Koen
- Emma Children's Hospital, Department of Pediatric Infectious Diseases, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, Amsterdam Institute for Reproduction and Development, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands; OrganoVIR Labs, Department of Medical Microbiology, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands
| | - Katja C Wolthers
- OrganoVIR Labs, Department of Medical Microbiology, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands
| | - Dasja Pajkrt
- Emma Children's Hospital, Department of Pediatric Infectious Diseases, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, Amsterdam Institute for Reproduction and Development, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands
| | - Adithya Sridhar
- Emma Children's Hospital, Department of Pediatric Infectious Diseases, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, Amsterdam Institute for Reproduction and Development, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands; OrganoVIR Labs, Department of Medical Microbiology, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands
| | - Carlemi Calitz
- Emma Children's Hospital, Department of Pediatric Infectious Diseases, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, Amsterdam Institute for Reproduction and Development, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands; OrganoVIR Labs, Department of Medical Microbiology, Amsterdam UMC, Location Academic Medical Center, Amsterdam Institute for Infection and Immunity, University of Amsterdam, Meibergdreef 9, 1100, AZ, Amsterdam, the Netherlands.
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43
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Chen Z, Sun Q, Yang Y, Nie X, Xiang W, Ren Y, Le T. Aptamer-based diagnostic and therapeutic approaches for animal viruses: A review. Int J Biol Macromol 2024; 257:128677. [PMID: 38072350 DOI: 10.1016/j.ijbiomac.2023.128677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 11/28/2023] [Accepted: 12/06/2023] [Indexed: 01/27/2024]
Abstract
Animal diseases often have significant consequences due to the unclear and time-consuming diagnosis process. Furthermore, the emergence of new viral infections and drug-resistant pathogens has further complicated the diagnosis and treatment of viral diseases. Aptamers, which are obtained through systematic evolution of ligands by exponential enrichment (SELEX) technology, provide a promising solution as they enable specific identification and binding to targets, facilitating pathogen detection and the development of novel therapeutics. This review presented an overview of aptasensors for animal virus detection, discussed the antiviral activity and mechanisms of aptamers, and highlighted advancements in aptamer-based antiviral research following the COVID-19 pandemic. Additionally, the challenges and prospects of aptamer-based virus diagnosis and treatment research were explored. Although this review was not exhaustive, it offered valuable insights into the progress of aptamer-based antiviral drug research, target mechanisms, as well as the development of novel antiviral drugs and biosensors.
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Affiliation(s)
- Zhuoer Chen
- College of Life Sciences, Chongqing Normal University, Chongqing 401331, PR China
| | - Qi Sun
- College of Life Sciences, Chongqing Normal University, Chongqing 401331, PR China
| | - Ying Yang
- College of Life Sciences, Chongqing Normal University, Chongqing 401331, PR China
| | - Xunqing Nie
- College of Life Sciences, Chongqing Normal University, Chongqing 401331, PR China
| | - Wenyu Xiang
- College of Life Sciences, Chongqing Normal University, Chongqing 401331, PR China
| | - Yueyang Ren
- College of Life Sciences, Chongqing Normal University, Chongqing 401331, PR China
| | - Tao Le
- College of Life Sciences, Chongqing Normal University, Chongqing 401331, PR China.
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44
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Teng D, Ueda K, Honda T. HAND2 suppresses favipiravir efficacy in treatment of Borna disease virus infection. Antiviral Res 2024; 222:105812. [PMID: 38262560 DOI: 10.1016/j.antiviral.2024.105812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/15/2024] [Accepted: 01/16/2024] [Indexed: 01/25/2024]
Abstract
Borna disease virus (BoDV-1) is a bornavirus prototype that infects the central nervous system of various animal species and can cause fatal encephalitis in various animals including humans. Among the reported anti-BoDV-1 treatments, favipiravir (T-705) is one of the best candidates since it has been shown to be effective in reducing various bornavirus titers in cell culture. However, T-705 effectiveness on BoDV-1 is cell type-dependent, and the molecular mechanisms that explain this cell type-dependent difference remain unknown. In this study, we noticed a fact that T-705 efficiently suppressed BoDV-1 in infected 293T cells, but not in infected SH-SY5Y cells, and sought to identify protein(s) responsible for this cell-type-dependent difference in T-705 efficacy. By comparing the transcriptomes of BoDV-1-infected 293T and SH-SY5Y cells, we identified heart- and neural crest derivatives-expressed protein 2 (HAND2) as a candidate involved in T-705 interference. HAND2 overexpression partly attenuated the inhibitory effect of T-705, whereas HAND2 knockdown enhanced this effect. We also demonstrated an interaction between T-705 and HAND2. Furthermore, T-705 impaired HAND2-mediated host gene expression. Because HAND2 is an essential transcriptional regulator of embryogenesis, T-705 may exhibit its adverse effects such as teratogenicity and embryotoxicity through the impairment of HAND2 function. This study provides novel insights into the molecular mechanisms underlying T-705 interference in some cell types and inspires the development of improved T-705 derivatives for the treatment of RNA viruses.
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Affiliation(s)
- Da Teng
- Division of Virology, Department of Microbiology and Immunology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Keiji Ueda
- Division of Virology, Department of Microbiology and Immunology, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Tomoyuki Honda
- Division of Virology, Department of Microbiology and Immunology, Osaka University Graduate School of Medicine, Osaka, Japan; Department of Virology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Kita-ku, Okayama 700-8558, Japan; Department of Virology, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Kita-ku, Okayama 700-8558, Japan.
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45
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Patho B, Grant DM, Percival A, Russell GC. Ivermectin inhibits replication of the malignant catarrhal fever virus alcelaphine herpesvirus 1. Virology 2024; 590:109958. [PMID: 38071929 DOI: 10.1016/j.virol.2023.109958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 11/29/2023] [Accepted: 11/30/2023] [Indexed: 01/03/2024]
Abstract
Malignant catarrhal fever is a lymphoproliferative disease of cattle and other ungulates that is caused by genetically and antigenically related gamma herpesviruses of the genus Macavirus. Infection of the natural host species is efficient and asymptomatic but spread to susceptible hosts is often fatal with clinical signs including fever, depression, nasal and ocular discharge. There is no recognised treatment for MCF but a vaccine for one MCF virus, alcelaphine herpesvirus 1 (AlHV-1), has been described. In this paper we describe the inhibition of AlHV-1 replication and propagation by the anthelminthic drug ivermectin. Concentrations of 10 μM or greater led to significant reductions in both copy number and viable titre of virus tested in culture medium, with little replication detected at over 20 μM ivermectin. In the absence of alternative treatments, further testing of ivermectin as a candidate antiviral treatment for MCF may therefore be justified.
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Affiliation(s)
- Blanka Patho
- Moredun research Institute, Pentlands Science Park, Midlothian, EH26 0PZ, UK
| | - Dawn M Grant
- Moredun research Institute, Pentlands Science Park, Midlothian, EH26 0PZ, UK
| | - Ann Percival
- Moredun research Institute, Pentlands Science Park, Midlothian, EH26 0PZ, UK
| | - George C Russell
- Moredun research Institute, Pentlands Science Park, Midlothian, EH26 0PZ, UK.
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46
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Mohamud Y, Fu C, Fan YM, Zhang YL, Lin JFC, Hwang SW, Wang ZC, Luo H. Activation of cGAS-STING suppresses coxsackievirus replication via interferon-dependent signaling. Antiviral Res 2024; 222:105811. [PMID: 38242503 DOI: 10.1016/j.antiviral.2024.105811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 01/02/2024] [Accepted: 01/16/2024] [Indexed: 01/21/2024]
Abstract
Coxsackievirus B3 (CVB3) is a non-enveloped, single-stranded, positive RNA virus known for its role in provoking inflammatory diseases that affect the heart, pancreas, and brain, leading to conditions such as myocarditis, pancreatitis, and meningitis. Currently, there are no FDA-approved drugs treating CVB3 infection; therefore, identifying potential molecular targets for antiviral drug development is imperative. In this study, we examined the possibility of activating the cyclic GMP-AMP (cGAMP) synthase (cGAS)-stimulator of interferon genes (STING) pathway, a cytosolic DNA-sensing pathway that triggers a type-I interferon (IFN) response, in inhibiting CVB3 infection. We found that activation of the cGAS-STING pathway through the application of cGAS (poly dA:dT and herring testes DNA) or STING agonists (2'3'-cGAMP and diamidobenzimidazole), or the overexpression of STING, significantly suppresses CVB3 replication. Conversely, gene-silencing of STING enhances viral replication. Mechanistically, we demonstrated that cGAS-STING activation combats CVB3 infection by inducing IFN response. Notably, we discovered that knockdown of IFN-α/β receptor, a key membrane receptor in type-I IFN signaling, or inhibition of the downstream JAK1/2 signaling with ruxolitinib, mitigates the effects of STING activation, resulting in increased viral protein production. Furthermore, we investigated the interplay between CVB3 and the cGAS-STING pathway. We showed that CVB3 does not trigger cGAS-STING activation; instead, it antagonizes STING and the downstream TBK1 activation induced by cGAMP. In summary, our results provide insights into the interaction of an RNA virus and the DNA-sensing pathway, highlighting the potential for agonist activation of the cGAS-STING pathway in the development of anti-CVB3 drugs.
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Affiliation(s)
- Yasir Mohamud
- Centre for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, V6Z 1Y6, Canada; Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, BC, V6Z 1Y6, Canada
| | - Cathy Fu
- Centre for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, V6Z 1Y6, Canada; Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, BC, V6Z 1Y6, Canada
| | - Yiyun Michelle Fan
- Centre for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, V6Z 1Y6, Canada; Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, BC, V6Z 1Y6, Canada
| | - Yizhuo Lyanne Zhang
- Centre for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, V6Z 1Y6, Canada; Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, BC, V6Z 1Y6, Canada
| | - Jing Fei Carly Lin
- Centre for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, V6Z 1Y6, Canada; Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, BC, V6Z 1Y6, Canada
| | - Sinwoo Wendy Hwang
- Centre for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, V6Z 1Y6, Canada; Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, BC, V6Z 1Y6, Canada
| | - Zhihan Claire Wang
- Centre for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, V6Z 1Y6, Canada; Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, BC, V6Z 1Y6, Canada
| | - Honglin Luo
- Centre for Heart Lung Innovation, St Paul's Hospital, Vancouver, BC, V6Z 1Y6, Canada; Department of Pathology and Laboratory of Medicine, University of British Columbia, Vancouver, BC, V6Z 1Y6, Canada.
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47
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Leal ES, Pascual MJ, Adler NS, Arrupe N, Merwaiss F, Giordano L, Fidalgo D, Álvarez D, Bollini M. Unveiling tetrahydroquinolines as promising BVDV entry inhibitors: Targeting the envelope protein. Virology 2024; 590:109968. [PMID: 38141499 DOI: 10.1016/j.virol.2023.109968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/30/2023] [Accepted: 12/06/2023] [Indexed: 12/25/2023]
Abstract
Bovine viral diarrhea virus (BVDV) is known to cause financial losses and decreased productivity in the cattle industry worldwide. Currently, there are no available antiviral treatments for effectively controlling BVDV infections in laboratories or farms. The BVDV envelope protein (E2) mediates receptor recognition on the cell surface and is required for fusion of virus and cell membranes after the endocytic uptake of the virus during the entry process. Therefore, E2 is an attractive target for the development of antiviral strategies. To identify BVDV antivirals targeting E2 function, we defined a binding site in silico located in domain IIIc at the interface between monomers in the disulfide linked dimer of E2. Employing a de novo design methodology to identify compounds with the potential to inhibit the E2 function, compound 9 emerged as a promising candidate with remarkable antiviral activity and minimal toxicity. In line with targeting of E2 function, compound 9 was found to block the virus entry into host cells. Furthermore, we demonstrated that compound 9 selectively binds to recombinant E2 in vitro. Molecular dynamics simulations (MD) allowed describing a possible interaction pattern between compound 9 and E2 and indicated that the S enantiomer of compound 9 may be responsible for the antiviral activity. Future research endeavors will focus on synthesizing enantiomerically pure compounds to further support these findings. These results highlight the usefulness of de novo design strategies to identify a novel class of BVDV inhibitors that block E2 function inhibiting virus entry into the host cell.
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Affiliation(s)
- Emilse S Leal
- Centro de Investigaciones en Bionanociencias (CIBION)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - María J Pascual
- Instituto de Investigaciones Biotecnológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de San Martín, Argentina
| | - Natalia S Adler
- Centro de Investigaciones en Bionanociencias (CIBION)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Nicolás Arrupe
- Centro de Investigaciones en Bionanociencias (CIBION)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Fernando Merwaiss
- Instituto de Investigaciones Biotecnológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de San Martín, Argentina
| | - Luciana Giordano
- Centro de Investigaciones en Bionanociencias (CIBION)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Daniela Fidalgo
- Centro de Investigaciones en Bionanociencias (CIBION)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina
| | - Diego Álvarez
- Instituto de Investigaciones Biotecnológicas, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de San Martín, Argentina.
| | - Mariela Bollini
- Centro de Investigaciones en Bionanociencias (CIBION)-Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina.
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48
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Zhang M, Sun J, Shi Y, Zhang F, Li S, Zhao D, Wu G, Li L, Miao Z, Liu M. The antiviral effects of TRIM23 and TRIM32 proteins in rainbow trout (Oncorhynchus mykiss). Dev Comp Immunol 2024; 151:105097. [PMID: 37967780 DOI: 10.1016/j.dci.2023.105097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 11/17/2023]
Abstract
TRIM proteins play a crucial antiviral effector role in the innate immune system of vertebrates. In this study, we found that TRIM proteins exhibited the highest expression levels in immune organs such as spleen and kidney during IHNV infection in rainbow trout, meanwhile, we successfully amplified TRIM23 and TRIM32 from diseased rainbow trout and analyzed their gene sequences, revealing that rainbow trout TRIM23 and TRIM32 proteins are closely related to Atlantic salmon and Chinook salmon; In this experiment, the TRIM23 and TRIM32 protein genes were resoundingly constructed as a recombinant plasmids and expressed in CHSE-214 cells. Upon transfected with the recombinant plasmid, followed by viral infection, significant decreasion in the copy numbers of the virus was observed, indicating that the TRIM23 and TRIM32 proteins of rainbow trout play an important role in inhibiting virus replication, with the TRIM32 role being the most pronounced. These results provide a basis for subsequent in-depth study of the antiviral effects of TRIM proteins, and provide new ideas for immune enhancers.
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Affiliation(s)
- Mengmeng Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Jinhui Sun
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Yanxue Shi
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Futing Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Shuaibo Li
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Dandan Zhao
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Guangqing Wu
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Linsong Li
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Zhiruo Miao
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China
| | - Min Liu
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, 150030, PR China.
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49
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Zhu X, He W, Wang J, Liu C, Pei Y, Wen Y, Wang X, Chen H, Wang H, Ran M, Ma X, Sun X. A high rain-erosion resistant bio-based nanogel with continuous immunity induction for plant virus inhibition. Int J Biol Macromol 2024; 258:128965. [PMID: 38151087 DOI: 10.1016/j.ijbiomac.2023.128965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 12/02/2023] [Accepted: 12/11/2023] [Indexed: 12/29/2023]
Abstract
Tobacco mosaic virus (TMV) is the most widely spread and harmful virus in the world, causing serious economic losses annually. However, the low anti-erosion ability of the pesticides for TMV management make it easy to be washed by the rain, which makes the effective duration of the pesticides shorter. In this paper, a new bio-based nanogel with superior antiviral activity was reported, and its slow-release behavior, rain erosion resistance and the antiviral mechanism was systematically studied. The results determined that the nanogels (Zn2+@ALGNP and Zn2+@ALGNP@PL) exhibited sustained releasing of Zn2+ with a 7 days duration, and the ε-PL coating could enhance the releasing rate of Zn2+. Moreover, Zn2+@ALGNP@PL displayed a lower contact angle, indicating greater adhesion to the leaf surface, and in consequence imposed better resistance to simulate rain erosion than pure Zn2+. Strikingly, Zn2+@ALGNP@PL could inhibit plant virus infection by aggregating the virions and reducing its coat protein stability, as well as inducing the efficient expression of reactive oxygen species, antioxidant enzymes and resistance genes to enhance plant resistance and promote plant growth. Overall, this study had successfully developed a high rain-erosion resistant bio-based nanogel capable of continue to induce resistant plants and promote plant growth.
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Affiliation(s)
- Xin Zhu
- College of Plant Protection, Southwest University, Chongqing 400715, China
| | - Wenjie He
- College of Plant Protection, Southwest University, Chongqing 400715, China
| | - Jing Wang
- Chongqing Company of China Tobacco Corporation, Chongqing 409100, China
| | - Changyun Liu
- College of Plant Protection, Southwest University, Chongqing 400715, China
| | - Yuehong Pei
- College of Plant Protection, Southwest University, Chongqing 400715, China
| | - Yuxia Wen
- College of Plant Protection, Southwest University, Chongqing 400715, China
| | - Xiaoyan Wang
- College of Plant Protection, Southwest University, Chongqing 400715, China
| | - Haitao Chen
- Chongqing Company of China Tobacco Corporation, Chongqing 409100, China
| | - Hongfeng Wang
- Chongqing Company of China Tobacco Corporation, Chongqing 409100, China
| | - Mao Ran
- Chongqing Company of China Tobacco Corporation, Chongqing 409100, China.
| | - Xiaozhou Ma
- College of Plant Protection, Southwest University, Chongqing 400715, China; Key Laboratory of Agricultural Biosafety and Green Production of Upper Yangtze River, Ministry of Education, Chongqing 400715, China.
| | - Xianchao Sun
- College of Plant Protection, Southwest University, Chongqing 400715, China; Key Laboratory of Agricultural Biosafety and Green Production of Upper Yangtze River, Ministry of Education, Chongqing 400715, China.
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50
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Tang C, Carrera Montoya J, Fritzlar S, Flavel M, Londrigan SL, Mackenzie JM. Polyphenol rich sugarcane extract (PRSE) has potential antiviral activity against influenza A virus in vitro. Virology 2024; 590:109969. [PMID: 38118269 DOI: 10.1016/j.virol.2023.109969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/29/2023] [Accepted: 12/06/2023] [Indexed: 12/22/2023]
Abstract
Influenza A virus (IAV) is one of the major global public health concerns but the emerging resistance of IAV to currently available antivirals requires the need to identify potential alternatives. Polyphenol rich sugarcane extract (PRSE) is an extract prepared from the sugarcane plant Saccharum Officinarum. Herein we aimed to determine if PRSE had antiviral activity against IAV. We showed that treatment of IAV-infected cells with PRSE results in a dose-dependent inhibition of virus infection at concentrations that were non-cytotoxic. PRSE treatment limited the early stages of infection, reducing viral genome replication, mRNA transcription and viral protein expression. PRSE did not affect the ability of IAV to bind sialic acid or change the morphology of viral particles. Additionally, PRSE treatment attenuated the replication of multiple IAV strains of the H3N2 and H1N1 subtype. In conclusion, we show that PRSE displays antiviral activity against a broad range of IAV strains, in vitro.
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Affiliation(s)
- Caolingzhi Tang
- Department of Microbiology and Immunology, The University of Melbourne, Peter Doherty Institute for Infection and Immunity, VIC, 3000, Australia
| | - Julio Carrera Montoya
- Department of Microbiology and Immunology, The University of Melbourne, Peter Doherty Institute for Infection and Immunity, VIC, 3000, Australia
| | - Svenja Fritzlar
- Department of Microbiology and Immunology, The University of Melbourne, Peter Doherty Institute for Infection and Immunity, VIC, 3000, Australia
| | - Matthew Flavel
- The Product Makers (Australia) Pty Ltd, Keysborough, VIC, 3173, Australia
| | - Sarah L Londrigan
- Department of Microbiology and Immunology, The University of Melbourne, Peter Doherty Institute for Infection and Immunity, VIC, 3000, Australia.
| | - Jason M Mackenzie
- Department of Microbiology and Immunology, The University of Melbourne, Peter Doherty Institute for Infection and Immunity, VIC, 3000, Australia.
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