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Youssef IMI, Saleh ESE, Tawfeek SS, Abdel-Fadeel AAA, Abdel-Razik ARH, Abdel-Daim ASA. Effect of Spirulina platensis on growth, hematological, biochemical, and immunological parameters of Nile tilapia (Oreochromis niloticus). Trop Anim Health Prod 2023; 55:275. [PMID: 37498411 PMCID: PMC10374666 DOI: 10.1007/s11250-023-03690-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 07/06/2023] [Indexed: 07/28/2023]
Abstract
This study was conducted to evaluate the effects of Spirulina platensis in Nile tilapia diets on growth performance, blood hematological and biochemical parameters, immunological status, and intestinal histomorphometry. A total of 228 fish were randomly allocated into four groups with triplicates (19 fish per replicate). The first group was fed the control diet, which contained no Spirulina supplementation. The other three groups were fed diets containing graded levels of powdered Spirulina: 2.5%, 5.0%, and 10.0% in the second, third, and fourth group, respectively. S. platensis was added to the diets partially substituting the fish meal content. The experiment lasted for 8 weeks. The results showed that dietary Spirulina supplementation improved (P < 0.05) the body weight and length, weight gain, specific growth rate, condition factor, and feed conversion efficiency. Moreover, Spirulina increased significantly (P < 0.05) the hemoglobin, PCV, RBCs, and WBCs count. Also, it increased the lymphocytes, eosinophils, IgM level, lysozyme activity, and phagocytic activity in the blood. Additionally, the Spirulina raised (P < 0.05) the serum albumin level but reduced (P < 0.05) the creatinine and urea levels. The addition of Spirulina increased (P < 0.05) the height and width of intestinal villi and the lymphocytes and goblet cells count in the intestine. The obtained results were increased by increasing the inclusion level of Spirulina, especially for body weight and length, weight gain, FCR, phagocytic activity, and intestinal parameters. In conclusion, supplementing S. platensis can improve the growth performance of fish. Moreover, it can stimulate the immunity of fish through increasing the level of immunological blood indicators (IgM, lysozyme, phagocytic activity, lymphocytes, and eosinophils) as well as the local intestinal immunity (lymphocytes and goblet cells). So, it can be recommended to use S. platensis in fish diets not only to improve the growth performance but also to enhance the immune status.
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Affiliation(s)
- Ibrahim M I Youssef
- Department of Nutrition and Clinical Nutrition, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, 62511, Egypt.
| | - Elham S E Saleh
- Department of Nutrition and Clinical Nutrition, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, 62511, Egypt
| | - Samar S Tawfeek
- Department of Nutrition and Clinical Nutrition, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, 62511, Egypt
| | - Asmaa A A Abdel-Fadeel
- Department of Nutrition and Clinical Nutrition, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, 62511, Egypt
| | - Abdel-Razik H Abdel-Razik
- Department of Histology, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, 62511, Egypt
| | - Asmaa S A Abdel-Daim
- Department of Nutrition and Clinical Nutrition, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, 62511, Egypt
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Yen LC, Chen HW, Ho CL, Lin CC, Lin YL, Yang QW, Chiu KC, Lien SP, Lin RJ, Liao CL. Neutralizing antibodies targeting a novel epitope on envelope protein exhibited broad protection against flavivirus without risk of disease enhancement. J Biomed Sci 2023; 30:41. [PMID: 37316861 DOI: 10.1186/s12929-023-00938-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 06/06/2023] [Indexed: 06/16/2023] Open
Abstract
BACKGROUND Flavivirus causes many serious public health problems worldwide. However, licensed DENV vaccine has restrictions on its use, and there is currently no approved ZIKV vaccine. Development of a potent and safe flavivirus vaccine is urgently needed. As a previous study revealed the epitope, RCPTQGE, located on the bc loop in the E protein domain II of DENV, in this study, we rationally designed and synthesized a series of peptides based on the sequence of JEV epitope RCPTTGE and DENV/ZIKV epitope RCPTQGE. METHODS Immune sera were generated by immunization with the peptides which were synthesized by using five copies of RCPTTGE or RCPTQGE and named as JEV-NTE and DV/ZV-NTE. Immunogenicity and neutralizing abilities of JEV-NTE or DV/ZV-NTE-immune sera against flavivirus were evaluated by ELISA and neutralization tests, respectively. Protective efficacy in vivo were determined by passive transfer the immune sera into JEV-infected ICR or DENV- and ZIKV-challenged AG129 mice. In vitro and in vivo ADE assays were used to examine whether JEV-NTE or DV/ZV-NTE-immune sera would induce ADE. RESULTS Passive immunization with JEV-NTE-immunized sera or DV/ZV-NTE-immunized sera could increase the survival rate or prolong the survival time in JEV-challenged ICR mice and reduce the viremia levels significantly in DENV- or ZIKV-infected AG129 mice. Furthermore, neither JEV -NTE- nor DV/ZV-NTE-immune sera induced antibody-dependent enhancement (ADE) as compared with the control mAb 4G2 both in vitro and in vivo. CONCLUSIONS We showed for the first time that novel bc loop epitope RCPTQGE located on the amino acids 73 to 79 of DENV/ZIKV E protein could elicit cross-neutralizing antibodies and reduced the viremia level in DENV- and ZIKV-challenged AG129 mice. Our results highlighted that the bc loop epitope could be a promising target for flavivirus vaccine development.
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Affiliation(s)
- Li-Chen Yen
- Department of Microbiology and Immunology, National Defense Medical Center, Taipei, Taiwan
| | - Hsin-Wei Chen
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, No. 35, Keyan Road, Zhunan, Miaoli County, 35053, Taiwan
| | - Chia-Lo Ho
- Institute of Life Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Chang-Chi Lin
- Department of Microbiology and Immunology, National Defense Medical Center, Taipei, Taiwan
- Institute of Preventive Medicine, National Defense Medical Center, Taipei, Taiwan
| | - Yi-Ling Lin
- Department of Microbiology and Immunology, National Defense Medical Center, Taipei, Taiwan
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Qiao-Wen Yang
- Department of Microbiology and Immunology, National Defense Medical Center, Taipei, Taiwan
| | - Kuo-Chou Chiu
- Department of Family Dentistry, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
- School of Dentistry, National Defense Medical Center, Taipei, Taiwan
| | - Shu-Pei Lien
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, No. 35, Keyan Road, Zhunan, Miaoli County, 35053, Taiwan
| | - Ren-Jye Lin
- National Mosquito-Borne Diseases Control Research Center, National Health Research Institute, Miaoli, Taiwan
| | - Ching-Len Liao
- Department of Microbiology and Immunology, National Defense Medical Center, Taipei, Taiwan.
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, No. 35, Keyan Road, Zhunan, Miaoli County, 35053, Taiwan.
- National Mosquito-Borne Diseases Control Research Center, National Health Research Institute, Miaoli, Taiwan.
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Zmudzinski M, Rut W, Olech K, Granda J, Giurg M, Burda-Grabowska M, Kaleta R, Zgarbova M, Kasprzyk R, Zhang L, Sun X, Lv Z, Nayak D, Kesik-Brodacka M, Olsen SK, Weber J, Hilgenfeld R, Jemielity J, Drag M. Ebselen derivatives inhibit SARS-CoV-2 replication by inhibition of its essential proteins: PL pro and M pro proteases, and nsp14 guanine N7-methyltransferase. Sci Rep 2023; 13:9161. [PMID: 37280236 DOI: 10.1038/s41598-023-35907-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 05/25/2023] [Indexed: 06/08/2023] Open
Abstract
Proteases encoded by SARS-CoV-2 constitute a promising target for new therapies against COVID-19. SARS-CoV-2 main protease (Mpro, 3CLpro) and papain-like protease (PLpro) are responsible for viral polyprotein cleavage-a process crucial for viral survival and replication. Recently it was shown that 2-phenylbenzisoselenazol-3(2H)-one (ebselen), an organoselenium anti-inflammatory small-molecule drug, is a potent, covalent inhibitor of both the proteases and its potency was evaluated in enzymatic and antiviral assays. In this study, we screened a collection of 34 ebselen and ebselen diselenide derivatives for SARS-CoV-2 PLpro and Mpro inhibitors. Our studies revealed that ebselen derivatives are potent inhibitors of both the proteases. We identified three PLpro and four Mpro inhibitors superior to ebselen. Independently, ebselen was shown to inhibit the N7-methyltransferase activity of SARS-CoV-2 nsp14 protein involved in viral RNA cap modification. Hence, selected compounds were also evaluated as nsp14 inhibitors. In the second part of our work, we employed 11 ebselen analogues-bis(2-carbamoylaryl)phenyl diselenides-in biological assays to evaluate their anti-SARS-CoV-2 activity in Vero E6 cells. We present their antiviral and cytoprotective activity and also low cytotoxicity. Our work shows that ebselen, its derivatives, and diselenide analogues constitute a promising platform for development of new antivirals targeting the SARS-CoV-2 virus.
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Affiliation(s)
- Mikolaj Zmudzinski
- Department of Chemical Biology and Bioimaging, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370, Wroclaw, Poland.
| | - Wioletta Rut
- Department of Chemical Biology and Bioimaging, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370, Wroclaw, Poland
| | - Kamila Olech
- Department of Organic and Medicinal Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370, Wroclaw, Poland
| | - Jarosław Granda
- Department of Organic and Medicinal Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370, Wroclaw, Poland
| | - Mirosław Giurg
- Department of Organic and Medicinal Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370, Wroclaw, Poland
| | - Małgorzata Burda-Grabowska
- Department of Organic and Medicinal Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370, Wroclaw, Poland
| | - Rafał Kaleta
- Department of Organic and Medicinal Chemistry, Faculty of Chemistry, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370, Wroclaw, Poland
| | - Michala Zgarbova
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo Nám. 2, 16610, Prague, Czech Republic
| | - Renata Kasprzyk
- Centre of New Technologies, University of Warsaw, Banacha 2C, 02-097, Warsaw, Poland
- College of Inter-Faculty Individual Studies in Mathematics and Natural Sciences, University of Warsaw, Banacha 2C, 02-097, Warsaw, Poland
| | - Linlin Zhang
- Institute of Molecular Medicine, University of Lübeck, Ratzeburger Allee 160, 23562, Lübeck, Germany
| | - Xinyuanyuan Sun
- Institute of Molecular Medicine, University of Lübeck, Ratzeburger Allee 160, 23562, Lübeck, Germany
| | - Zongyang Lv
- Department of Biochemistry and Structural Biology, University of Texas Health Science Center at San Antonio, San Antonio, TX, 78229, USA
| | - Digant Nayak
- Department of Biochemistry and Structural Biology, University of Texas Health Science Center at San Antonio, San Antonio, TX, 78229, USA
| | | | - Shaun K Olsen
- Department of Biochemistry and Structural Biology, University of Texas Health Science Center at San Antonio, San Antonio, TX, 78229, USA
| | - Jan Weber
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo Nám. 2, 16610, Prague, Czech Republic
| | - Rolf Hilgenfeld
- Institute of Molecular Medicine, University of Lübeck, Ratzeburger Allee 160, 23562, Lübeck, Germany
- German Center for Infection Research (DZIF), Hamburg-Lübeck-Borstel-Riems Site, University of Lübeck, 23562, Lübeck, Germany
| | - Jacek Jemielity
- Centre of New Technologies, University of Warsaw, Banacha 2C, 02-097, Warsaw, Poland
| | - Marcin Drag
- Department of Chemical Biology and Bioimaging, Wroclaw University of Science and Technology, Wyb. Wyspianskiego 27, 50-370, Wroclaw, Poland.
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Chen D, Zheng R, Su J, Lai J, Chen H, Ning Z, Liu X, Zhu B, Li Y. Inhibition of H1N1 Influenza Virus-induced Apoptosis by Ebselen Through ROS-mediated ATM/ATR Signaling Pathways. Biol Trace Elem Res 2023; 201:2811-2822. [PMID: 35896885 PMCID: PMC9330958 DOI: 10.1007/s12011-022-03369-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 07/23/2022] [Indexed: 11/24/2022]
Abstract
Influenza A viruses can cause global outbreaks and seasonal pandemics. However, the use of conventional anti-influenza drugs leads to an increase in drug-resistant mutations in influenza viruses worldwide. Therefore, numerous studies have focused on developing effective anti-influenza drugs. It is feasible to treat influenza by targeting influenza-mediated oxidative damage. Ebselen is a synthetic organoselenium compound which provides glutathione peroxidase-like activity. It has been shown to play a role in anti-influenza therapy, but the mechanism remains to be further explored. This experiment verified the anti-influenza effect of ebselen. CCK-8 and PCR showed that ebselen had a significant inhibitory effect on virus replication compared with the virus group. In addition, the mechanistic investigations revealed that ebselen could inhibit influenza-mediated apoptosis, mitochondrial damage, accumulation of reactive oxygen species, and DNA breakage. At the same time, ebselen significantly inhibited the phosphorylation of ATM and ATR and promoted the activation of PARP and Caspase-3. Ebselen, on the other hand, reduced the inflammatory response caused by influenza. These results suggest that ebselen is a promising inhibitor for H1N1.
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Affiliation(s)
- Danyang Chen
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Yuexiu District, No 318 Renminzhong Road, Guangzhou, 510120, China
| | - Ruilin Zheng
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Yuexiu District, No 318 Renminzhong Road, Guangzhou, 510120, China
| | - Jingyao Su
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Yuexiu District, No 318 Renminzhong Road, Guangzhou, 510120, China
| | - Jia Lai
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Yuexiu District, No 318 Renminzhong Road, Guangzhou, 510120, China
| | - Haitian Chen
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Yuexiu District, No 318 Renminzhong Road, Guangzhou, 510120, China
| | - Zhihui Ning
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Yuexiu District, No 318 Renminzhong Road, Guangzhou, 510120, China
| | - Xia Liu
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Yuexiu District, No 318 Renminzhong Road, Guangzhou, 510120, China
| | - Bing Zhu
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Yuexiu District, No 318 Renminzhong Road, Guangzhou, 510120, China
| | - Yinghua Li
- Center Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Yuexiu District, No 318 Renminzhong Road, Guangzhou, 510120, China.
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5
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Redox Regulation and Metabolic Dependency of Zika Virus Replication: Inhibition by Nrf2-Antioxidant Response and NAD(H) Antimetabolites. J Virol 2023; 97:e0136322. [PMID: 36688653 PMCID: PMC9972919 DOI: 10.1128/jvi.01363-22] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
Viral infections alter host cell metabolism and homeostasis; however, the mechanisms that regulate these processes have only begun to be elucidated. We report here that Zika virus (ZIKV) infection activates the antioxidant nuclear factor erythroid 2-related factor 2 (Nrf2), which precedes oxidative stress. Downregulation of Nrf2 or inhibition of glutathione (GSH) synthesis resulted in significantly increased viral replication. Interestingly, 6-amino-nicotinamide (6-AN), a nicotinamide analog commonly used as an inhibitor of the pentose phosphate pathway (PPP), decreased viral replication by over 1,000-fold. This inhibition was neither recapitulated by the knockdown of PPP enzymes, glucose 6-phosphate dehydrogenase (G6PD), or 6-phosphogluconate dehydrogenase (6PGD), nor prevented by supplementation with ribose 5-phosphate. Instead, our metabolomics and metabolic phenotype studies support a mechanism in which 6-AN depletes cells of NAD(H) and impairs NAD(H)-dependent glycolytic steps resulting in inhibition of viral replication. The inhibitory effect of 6-AN was rescued with precursors of the salvage pathway but not with those of other NAD+ biosynthesis pathways. Inhibition of glycolysis reduced viral protein levels, which were recovered transiently. This transient recovery in viral protein synthesis was prevented when oxidative metabolism was inhibited by blockage of the mitochondrial pyruvate carrier, fatty acid oxidation, or glutaminolysis, demonstrating a compensatory role of mitochondrial metabolism in ZIKV replication. These results establish an antagonistic role for the host cell Nrf2/GSH/NADPH-dependent antioxidant response against ZIKV and demonstrate the dependency of ZIKV replication on NAD(H). Importantly, our work suggests the potential use of NAD(H) antimetabolite therapy against the viral infection. IMPORTANCE Zika virus (ZIKV) is a major public health concern of international proportions. While the incidence of ZIKV infections has declined substantially in recent years, the potential for the reemergence or reintroduction remains high. Although viral infection alters host cell metabolism and homeostasis to promote its replication, deciphering the mechanism(s) involved in these processes is important for identifying therapeutic targets. The present work reveals the complexities of host cell redox regulation and metabolic dependency of ZIKV replication. An antagonistic effect of the Nrf2/GSH/NADP(H)-dependent antioxidant response against ZIKV infection and an essential role of NAD(H) metabolism and glycolysis for viral replication are established for the first time. These findings highlight the potential use of NAD(H) antimetabolites to counter ZIKV infection and pathogenesis.
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6
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Sarkar C, Abdalla M, Mondal M, Khalipha ABR, Ali N. Ebselen suitably interacts with the potential SARS-CoV-2 targets: an in-silico approach. J Biomol Struct Dyn 2022; 40:12286-12301. [PMID: 34459720 DOI: 10.1080/07391102.2021.1971562] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Ebselen (SPI-1005) is an active selenoorganic compound that can be found potential inhibitory activity against different types of viral infections such as zika virus, influenza A virus, HCV, and HIV-1; and also be found to exhibit promising antiviral activity against SARS-CoV-2 in cell-based assays but its particular target action against specific non-structural and structural proteins of SARS-CoV-2 is unclear to date. The purpose of this study is to evaluate the anti-SARS-CoV-2 efficacy of Ebselen along with the determination of the specific target among the 12 most common target proteins of SARS-CoV-2. AutoDock Vina in PyRx platform was used for docking analysis against the 12 selected SARS-CoV-2 encoded drug targets. ADME profiling was examined by using SwissADME online server. The stability of binding mode in the target active sites was evaluated using molecular dynamics (MD) simulation studies through NAMD and Desmond package software application. In this docking study, we recognized that Ebselen possesses the highest affinity to N protein (C domain) (PDB ID: 6YUN) and PLpro (PDB ID: 6WUU) among the selected SARS-CoV-2 targets showing -7.4 kcal/mol binding energy. The stability of Ebselen-6YUN and Ebselen-6WUU was determined by a 100 ns trajectory of all-atom molecular dynamics simulation. Structural conformation of these two complexes displayed stable root mean square deviation (RMSD), while root mean square fluctuations (RMSF) were also found to be consistent. This molecular docking study may propose the efficiency of Ebselen against SARS-CoV-2 to a significant extent which makes it a candidature of COVID-19 treatment.
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Affiliation(s)
- Chandan Sarkar
- Department of Pharmacy, Life Science Faculty, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj, Bangladesh
| | - Mohnad Abdalla
- Key Laboratory of Chemical Biology (Ministry of Education), Department of Pharmaceutics, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Shandong Province, PR China
| | - Milon Mondal
- Department of Pharmacy, Life Science Faculty, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj, Bangladesh
| | - Abul Bashar Ripon Khalipha
- Department of Pharmacy, Life Science Faculty, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj, Bangladesh
| | - Nasir Ali
- CAS Key Laboratory of Biofuels and Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Shandong, China
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7
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Singh A, Singh P, Kumar R, Kaushik A. Exploring nanoselenium to tackle mutated SARS-CoV-2 for efficient COVID-19 management. FRONTIERS IN NANOTECHNOLOGY 2022. [DOI: 10.3389/fnano.2022.1004729] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Despite ongoing public health measures and increasing vaccination rates, deaths and disease severity caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and its new emergent variants continue to threaten the health of people around the world. Therefore, there is an urgent need to develop novel strategies for research, diagnosis, treatment, and government policies to combat the variant strains of SARS-CoV-2. Since the state-of-the-art COVID-19 pandemic, the role of selenium in dealing with COVID-19 disease has been widely discussed due to its importance as an essential micronutrient. This review aims at providing all antiviral activities of nanoselenium (Nano-Se) ever explored using different methods in the literature. We systematically summarize the studied antiviral activities of Nano-Se required to project it as an efficient antiviral system as a function of shape, size, and synthesis method. The outcomes of this article not only introduce Nano-Se to the scientific community but also motivate scholars to adopt Nano-Se to tackle any serious virus such as mutated SARS-CoV-2 to achieve an effective antiviral activity in a desired manner.
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8
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Aronskyy I, Masoudi-Sobhanzadeh Y, Cappuccio A, Zaslavsky E. Advances in the computational landscape for repurposed drugs against COVID-19. Drug Discov Today 2021; 26:2800-2815. [PMID: 34339864 PMCID: PMC8323501 DOI: 10.1016/j.drudis.2021.07.026] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 04/30/2021] [Accepted: 07/26/2021] [Indexed: 02/07/2023]
Abstract
The COVID-19 pandemic has caused millions of deaths and massive societal distress worldwide. Therapeutic solutions are urgently needed, but de novo drug development remains a lengthy process. One promising alternative is computational drug repurposing, which enables the prioritization of existing compounds through fast in silico analyses. Recent efforts based on molecular docking, machine learning, and network analysis have produced actionable predictions. Some predicted drugs, targeting viral proteins and pathological host pathways are undergoing clinical trials. Here, we review this work, highlight drugs with high predicted efficacy and classify their mechanisms of action. We discuss the strengths and limitations of the published methodologies and outline possible future directions. Finally, we curate a list of COVID-19 data portals and other repositories that could be used to accelerate future research.
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Affiliation(s)
- Illya Aronskyy
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Yosef Masoudi-Sobhanzadeh
- Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Antonio Cappuccio
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA,Corresponding authors
| | - Elena Zaslavsky
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA,Corresponding authors
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9
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Santi C, Scimmi C, Sancineto L. Ebselen and Analogues: Pharmacological Properties and Synthetic Strategies for Their Preparation. Molecules 2021; 26:4230. [PMID: 34299505 PMCID: PMC8306772 DOI: 10.3390/molecules26144230] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 07/07/2021] [Accepted: 07/09/2021] [Indexed: 02/06/2023] Open
Abstract
Ebselen is the leader of selenorganic compounds, and starting from its identification as mimetic of the key antioxidant enzyme glutathione peroxidase, several papers have appeared in literature claiming its biological activities. It was the subject of several clinical trials and it is currently in clinical evaluation for the treatment of COVID-19 patients. Given our interest in the synthesis and pharmacological evaluation of selenorganic derivatives with this review, we aimed to collect all the papers focused on the biological evaluation of ebselen and its close analogues, covering the timeline between 2016 and most of 2021. Our analysis evidences that, even if it lacks specificity when tested in vitro, being able to bind to every reactive cysteine, it proved to be always well tolerated in vivo, exerting no sign of toxicity whatever the administered doses. Besides, looking at the literature, we realized that no review article dealing with the synthetic approaches for the construction of the benzo[d][1,2]-selenazol-3(2H)-one scaffold is available; thus, a section of the present review article is completely devoted to this specific topic.
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Affiliation(s)
| | | | - Luca Sancineto
- Group of Catalysis and Green Organic Chemistry, Department of Pharmaceutical Sciences, University of Perugia Via del Liceo 1, 06122 Perugia, Italy; (C.S.); (C.S.)
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10
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Sander WJ, Fourie C, Sabiu S, O'Neill FH, Pohl CH, O'Neill HG. Reactive oxygen species as potential antiviral targets. Rev Med Virol 2021; 32:e2240. [PMID: 33949029 DOI: 10.1002/rmv.2240] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Indexed: 12/14/2022]
Abstract
Reactive oxygen species (ROS) are by-products of cellular metabolism and can be either beneficial, at low levels, or deleterious, at high levels, to the cell. It is known that several viral infections can increase oxidative stress, which is mainly facilitated by viral-induced imbalances in the antioxidant defence mechanisms of the cell. While the exact role of ROS in certain viral infections (adenovirus and dengue virus) remains unknown, other viruses can use ROS for enhancement of pathogenesis (SARS coronavirus and rabies virus) or replication (rhinovirus, West Nile virus and vesicular stomatitis virus) or both (hepatitis C virus, human immunodeficiency virus and influenza virus). While several viral proteins (mainly for hepatitis C and human immunodeficiency virus) have been identified to play a role in ROS formation, most mediators of viral ROS modulation are yet to be elucidated. Treatment of viral infections, including hepatitis C virus, human immunodeficiency virus and influenza virus, with ROS inhibitors has shown a decrease in both pathogenesis and viral replication both in vitro and in animal models. Clinical studies indicating the potential for targeting ROS-producing pathways as possible broad-spectrum antiviral targets should be evaluated in randomized controlled trials.
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Affiliation(s)
- Willem J Sander
- Department of Microbiology and Biochemistry, University of the Free State, Bloemfontein, South Africa
| | - Corinne Fourie
- Department of Microbiology and Biochemistry, University of the Free State, Bloemfontein, South Africa
| | - Saheed Sabiu
- Department of Microbiology and Biochemistry, University of the Free State, Bloemfontein, South Africa.,Department of Biotechnology and Food Science, Durban University of Technology, Durban, South Africa
| | - Frans H O'Neill
- Department of Microbiology and Biochemistry, University of the Free State, Bloemfontein, South Africa
| | - Carolina H Pohl
- Department of Microbiology and Biochemistry, University of the Free State, Bloemfontein, South Africa
| | - Hester G O'Neill
- Department of Microbiology and Biochemistry, University of the Free State, Bloemfontein, South Africa
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11
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Pletnev AG, Maximova OA, Liu G, Kenney H, Nagata BM, Zagorodnyaya T, Moore I, Chumakov K, Tsetsarkin KA. Epididymal epithelium propels early sexual transmission of Zika virus in the absence of interferon signaling. Nat Commun 2021; 12:2469. [PMID: 33927207 PMCID: PMC8084954 DOI: 10.1038/s41467-021-22729-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 03/23/2021] [Indexed: 11/21/2022] Open
Abstract
Recognition of Zika virus (ZIKV) sexual transmission (ST) among humans challenges our understanding of the maintenance of mosquito-borne viruses in nature. Here we dissected the relative contributions of the components of male reproductive system (MRS) during early male-to-female ZIKV transmission by utilizing mice with altered antiviral responses, in which ZIKV is provided an equal opportunity to be seeded in the MRS tissues. Using microRNA-targeted ZIKV clones engineered to abolish viral infectivity to different parts of the MRS or a library of ZIKV genomes with unique molecular identifiers, we pinpoint epithelial cells of the epididymis (rather than cells of the testis, vas deferens, prostate, or seminal vesicles) as a most likely source of the sexually transmitted ZIKV genomes during the early (most productive) phase of ZIKV shedding into the semen. Incorporation of this mechanistic knowledge into the development of a live-attenuated ZIKV vaccine restricts its ST potential.
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Affiliation(s)
- Alexander G Pletnev
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Olga A Maximova
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Guangping Liu
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Heather Kenney
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Bianca M Nagata
- Infectious Disease and Pathogenesis Section, Comparative Medicine Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD, USA
| | - Tatiana Zagorodnyaya
- Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, USA
| | - Ian Moore
- Infectious Disease and Pathogenesis Section, Comparative Medicine Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, MD, USA
| | - Konstantin Chumakov
- Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, USA
| | - Konstantin A Tsetsarkin
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA.
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12
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Kifle ZD, Ayele AG, Enyew EF. Drug Repurposing Approach, Potential Drugs, and Novel Drug Targets for COVID-19 Treatment. JOURNAL OF ENVIRONMENTAL AND PUBLIC HEALTH 2021; 2021:6631721. [PMID: 33953756 PMCID: PMC8063850 DOI: 10.1155/2021/6631721] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 02/23/2021] [Accepted: 04/17/2021] [Indexed: 12/16/2022]
Abstract
Novel coronavirus first appeared in Wuhan, China, in December 2019, and it speedily expanded globally. Some medications which are used to treat other diseases seem to be effective in treating COVID-19 even without explicit support. The existing drugs that are summarized in this review primarily focused on therapeutic agents that possessed activity against other RNA viruses such as MERS-CoV and SARS-CoV. Drug repurposing or repositioning is a promising field in drug discovery that identifies new therapeutic opportunities for existing drugs such as corticosteroids, RNA-dependent RNA polymerase inhibitors, interferons, protease inhibitors, ivermectin, melatonin, teicoplanin, and some others. A search for new drug/drug targets is underway. Thus, blocking coronavirus structural protein, targeting viral enzyme, dipeptidyl peptidase 4, and membrane fusion blocker (angiotensin-converting enzyme 2 and CD147 inhibitor) are major sites based on molecular targets for the management of COVID-19 infection. The possible impact of biologics for the management of COVID19 is promising and includes a wide variety of options such as cytokines, nucleic acid-based therapies targeting virus gene expression, bioengineered and vectored antibodies, and various types of vaccines. This review demonstrates that the available data are not sufficient to suggest any treatment for the eradication of COVID-19 to be used at the clinical level. This article aims to review the roles of existing drugs and drug targets for COVID-19 treatment.
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Affiliation(s)
- Zemene Demelash Kifle
- Department of Pharmacology, School of Pharmacy, College of Medicine and Health Science, University of Gondar, Gondar, Ethiopia
| | - Akeberegn Gorems Ayele
- Department of Pharmacology and Clinical Pharmacy, School of Pharmacy, College of Health Science, Addis Ababa University, Addis Ababa, Ethiopia
| | - Engidaw Fentahun Enyew
- Department of Human Anatomy, School of Medicine, College of Medicine and Health Sciences, Gondar, Ethiopia
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13
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Wei YD, Du XM, Yang DH, Ma FL, Yu XW, Zhang MF, Li N, Peng S, Liao MZ, Li GP, Bai CL, Liu WS, Hua JL. Dmrt1 regulates the immune response by repressing the TLR4 signaling pathway in goat male germline stem cells. Zool Res 2021; 42:14-27. [PMID: 33420764 PMCID: PMC7840460 DOI: 10.24272/j.issn.2095-8137.2020.186] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Double sex and mab-3-related transcription factor 1 (Dmrt1), which is expressed in goat male germline stem cells (mGSCs) and Sertoli cells, is one of the most conserved transcription factors involved in sex determination. In this study, we highlighted the role of Dmrt1 in balancing the innate immune response in goat mGSCs. Dmrt1 recruited promyelocytic leukemia zinc finger (Plzf), also known as zinc finger and BTB domain-containing protein 16 (Zbtb16), to repress the Toll-like receptor 4 (TLR4)-dependent inflammatory signaling pathway and nuclear factor (NF)-κB. Knockdown of Dmrt1 in seminiferous tubules resulted in widespread degeneration of germ and somatic cells, while the expression of proinflammatory factors were significantly enhanced. We also demonstrated that Dmrt1 stimulated proliferation of mGSCs, but repressed apoptosis caused by the immune response. Thus, Dmrt1 is sufficient to reduce inflammation in the testes, thereby establishing the stability of spermatogenesis and the testicular microenvironment.
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Affiliation(s)
- Yu-Dong Wei
- College of Veterinary Medicine, Northwest A & F University, Shaanxi Centre of Stem Cells Engineering & Technology, Yangling, Shaanxi 712100, China
| | - Xiao-Min Du
- College of Veterinary Medicine, Northwest A & F University, Shaanxi Centre of Stem Cells Engineering & Technology, Yangling, Shaanxi 712100, China
| | - Dong-Hui Yang
- College of Veterinary Medicine, Northwest A & F University, Shaanxi Centre of Stem Cells Engineering & Technology, Yangling, Shaanxi 712100, China
| | - Fang-Lin Ma
- College of Veterinary Medicine, Northwest A & F University, Shaanxi Centre of Stem Cells Engineering & Technology, Yangling, Shaanxi 712100, China
| | - Xiu-Wei Yu
- College of Veterinary Medicine, Northwest A & F University, Shaanxi Centre of Stem Cells Engineering & Technology, Yangling, Shaanxi 712100, China
| | - Meng-Fei Zhang
- College of Veterinary Medicine, Northwest A & F University, Shaanxi Centre of Stem Cells Engineering & Technology, Yangling, Shaanxi 712100, China
| | - Na Li
- College of Veterinary Medicine, Northwest A & F University, Shaanxi Centre of Stem Cells Engineering & Technology, Yangling, Shaanxi 712100, China
| | - Sha Peng
- College of Veterinary Medicine, Northwest A & F University, Shaanxi Centre of Stem Cells Engineering & Technology, Yangling, Shaanxi 712100, China
| | - Ming-Zhi Liao
- College of Life Sciences, Northwest A & F University, Yangling, Shaanxi 712100, China
| | - Guang-Peng Li
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, Inner Mongolia 010021, China
| | - Chun-Ling Bai
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, Inner Mongolia 010021, China. E-mail:
| | - Wei-Shuai Liu
- Department of Pathology, Yangling Demonstration Zone Hospital, Yangling Shaanxi 712100, China. E-mail:
| | - Jin-Lian Hua
- College of Veterinary Medicine, Northwest A & F University, Shaanxi Centre of Stem Cells Engineering & Technology, Yangling, Shaanxi 712100, China. E-mail:
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14
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Mwaliko C, Nyaruaba R, Zhao L, Atoni E, Karungu S, Mwau M, Lavillette D, Xia H, Yuan Z. Zika virus pathogenesis and current therapeutic advances. Pathog Glob Health 2021; 115:21-39. [PMID: 33191867 PMCID: PMC7850325 DOI: 10.1080/20477724.2020.1845005] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Zika virus (ZIKV) is an emerging arthropod-borne flavivirus that, upon infection, results in teratogenic effects and neurological disorders. ZIKV infections pose serious global public health concerns, prompting scientists to increase research on antivirals and vaccines against the virus. These efforts are still ongoing as the pathogenesis and immune evasion mechanisms of ZIKV have not yet been fully elaborated. Currently, no specific vaccines or drugs have been approved for ZIKV; however, some are undergoing clinical trials. Notably, several strategies have been used to develop antivirals, including drugs that target viral and host proteins. Additionally, drug repurposing is preferred since it is less costly and takes less time than other strategies because the drugs used have already been approved for human use. Likewise, different platforms have been evaluated for the design of vaccines, including DNA, mRNA, peptide, protein, viral vectors, virus-like particles (VLPSs), inactivated-virus, and live-attenuated virus vaccines. These vaccines have been shown to induce specific humoral and cellular immune responses and reduce viremia and viral RNA both in vitro and in vivo. Importantly, most of these vaccines have entered clinical trials. Understanding the viral disease mechanism will provide better strategies for developing therapeutic agents against ZIKV. This review provides a comprehensive summary of the viral pathogenesis of ZIKV and current advancements in the development of vaccines and drugs against this virus.
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Affiliation(s)
- Caroline Mwaliko
- Key Laboratory of Special Pathogens and Biosafety, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China,International College, University of Chinese Academy of Sciences, Beijing, China,Microbiology, Sino-Africa Joint Research Center, Nairobi, Kenya
| | - Raphael Nyaruaba
- Key Laboratory of Special Pathogens and Biosafety, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China,International College, University of Chinese Academy of Sciences, Beijing, China,Microbiology, Sino-Africa Joint Research Center, Nairobi, Kenya
| | - Lu Zhao
- Key Laboratory of Special Pathogens and Biosafety, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China,International College, University of Chinese Academy of Sciences, Beijing, China
| | - Evans Atoni
- Key Laboratory of Special Pathogens and Biosafety, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China,International College, University of Chinese Academy of Sciences, Beijing, China,Microbiology, Sino-Africa Joint Research Center, Nairobi, Kenya
| | - Samuel Karungu
- Key Laboratory of Special Pathogens and Biosafety, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China,International College, University of Chinese Academy of Sciences, Beijing, China,Microbiology, Sino-Africa Joint Research Center, Nairobi, Kenya
| | - Matilu Mwau
- Center for Infectious and Parasitic Diseases Control Research, Kenya Medical Research Institute, Nairobi, Kenya
| | - Dimitri Lavillette
- CAS Key Laboratory of Molecular Virology & Immunology, Institut Pasteur of Shanghai, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Han Xia
- Key Laboratory of Special Pathogens and Biosafety, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China,CONTACT Han Xia ; Zhiming Yuan Key Laboratory of Special Pathogens and Biosafety, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China
| | - Zhiming Yuan
- Key Laboratory of Special Pathogens and Biosafety, Center for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China
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15
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Yang W, Wu YH, Liu SQ, Sheng ZY, Zhen ZD, Gao RQ, Cui XY, Fan DY, Qin ZH, Zheng AH, Wang PG, An J. S100A4+ macrophages facilitate zika virus invasion and persistence in the seminiferous tubules via interferon-gamma mediation. PLoS Pathog 2020; 16:e1009019. [PMID: 33315931 PMCID: PMC7769614 DOI: 10.1371/journal.ppat.1009019] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 12/28/2020] [Accepted: 10/01/2020] [Indexed: 12/12/2022] Open
Abstract
Testicular invasion and persistence are features of Zika virus (ZIKV), but their mechanisms are still unknown. Here, we showed that S100A4+ macrophages, a myeloid macrophage subpopulation with susceptibility to ZIKV infection, facilitated ZIKV invasion and persistence in the seminiferous tubules. In ZIKV-infected mice, S100A4+ macrophages were specifically recruited into the interstitial space of testes and differentiated into interferon-γ-expressing M1 macrophages. With interferon-γ mediation, S100A4+ macrophages down-regulated Claudin-1 expression and induced its redistribution from the cytosol to nucleus, thus increasing the permeability of the blood-testis barrier which facilitated S100A4+ macrophages invasion into the seminiferous tubules. Intraluminal S100A4+ macrophages were segregated from CD8+ T cells and consequently helped ZIKV evade cellular immunity. As a result, ZIKV continued to replicate in intraluminal S100A4+ macrophages even when the spermatogenic cells disappeared. Deficiencies in S100A4 or interferon-γ signaling both reduced ZIKV infection in the seminiferous tubules. These results demonstrated crucial roles of S100A4+ macrophages in ZIKV infection in testes.
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Affiliation(s)
- Wei Yang
- Department of Microbiology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Yan-Hua Wu
- Department of Microbiology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Shuang-Qing Liu
- Institute of Biophysics, Chinese Academy of Science, Beijing, China
| | - Zi-Yang Sheng
- Department of Microbiology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Zi-Da Zhen
- Department of Microbiology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Rui-Qi Gao
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Xiao-Yun Cui
- Department of Microbiology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
- Department of Science and Technology, Capital Institute of Pediatrics, Beijing, China
| | - Dong-Ying Fan
- Department of Microbiology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Zhi-Hai Qin
- Institute of Biophysics, Chinese Academy of Science, Beijing, China
| | - Ai-Hua Zheng
- Institute of Zoology, Chinese Academy of Science, Beijing, China
| | - Pei-Gang Wang
- Department of Microbiology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
- * E-mail: (PGW); , (JA)
| | - Jing An
- Department of Microbiology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
- Center of Epilepsy, Beijing Institute for Brain Disorders, Beijing, China
- * E-mail: (PGW); , (JA)
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16
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Abstract
Ebselen is a synthetic organoselenium radical scavenger compound that possesses glutathione peroxidase-like activity and its own unique bioactivity by reacting with thiols, hydroperoxides and peroxynitrites. Owing to its high affinity toward several essential reactions, ebselen protects cellular components from oxidative and free radical damage, and it has been employed as a useful tool for studying redox-related mechanisms. Based on numerous in vitro and in vivo research, mechanisms are proposed to understand the biomedical and molecular actions of ebselen in health and disease, and it is currently under clinical trials for the prevention and treatment of various human disorders. Based on these outstanding discoveries, this review summarizes the current understanding of the biochemical and molecular characteristics, pharmacological applications and future directions of ebselen.
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17
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Haritha CV, Sharun K, Jose B. Ebselen, a new candidate therapeutic against SARS-CoV-2. Int J Surg 2020; 84:53-56. [PMID: 33120196 PMCID: PMC7583587 DOI: 10.1016/j.ijsu.2020.10.018] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 10/15/2020] [Indexed: 12/22/2022]
Affiliation(s)
- C V Haritha
- Division of Pharmacology and Toxicology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243 122, Uttar Pradesh, India
| | - Khan Sharun
- Division of Surgery, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243 122, Uttar Pradesh, India.
| | - Bosco Jose
- Division of Physiology & Climatology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243 122, Uttar Pradesh, India
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18
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de Souza AAA, Torres LR, Lima LRP, de Paula V, Barros JJ, Bonecini-Almeida MDG, Waghabi MC, Gardel MA, Meuser-Batista M, de Souza EM. Inhibition of Brazilian ZIKV strain replication in primary human placental chorionic cells and cervical cells treated with nitazoxanide. Braz J Infect Dis 2020; 24:505-516. [PMID: 33010209 PMCID: PMC7526660 DOI: 10.1016/j.bjid.2020.09.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 08/28/2020] [Accepted: 09/08/2020] [Indexed: 01/26/2023] Open
Abstract
Zika virus (ZIKV) infection during pregnancy is associated with a congenital syndrome. Although the virus can be detected in human placental tissue and sexual transmission has been verified, it is not clear how the virus reaches the fetus. Despite the emerging severity caused by ZIKV infection, no specific prophylactic and/or therapeutic treatment is available. The aim of the present study was to evaluate the effectiveness antiviral of nitazoxanide (NTZ) in two important congenital transmission targets: (i) a primary culture of human placental chorionic cells, and (ii) human cervical epithelial cells (C33-A) infected with Brazilian ZIKV strain. Initially, NTZ activity was screened in ZIKV infected Vero cells under different treatment regimens with non-toxic drug concentrations for 48 h. Antiviral effect was found only when the treatment was carried out after the viral inoculum. A strong effect against the dengue virus serotype 2 (DENV-2) was also observed suggesting the possibility of treating other Flaviviruses. Additionally, it was shown that the treatment did not reduce the production of infectious viruses in insect cells (C6/36) infected with ZIKV, indicating that the activity of this drug is also related to host factors. Importantly, we demonstrated that NTZ treatment in chorionic and cervical cells caused a reduction of infected cells in a dose-dependent manner and decreased viral loads in up to 2 logs. Pre-clinical in vitro testing evidenced excellent therapeutic response of infected chorionic and cervical cells and point to future NTZ activity investigation in ZIKV congenital transmission models with the perspective of possible repurposing of NTZ to treat Zika fever, especially in pregnant women.
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Affiliation(s)
- Audrien A A de Souza
- Instituto Oswaldo Cruz/FIOCRUZ, Laboratório de Virologia Molecular, Rio de Janeiro, RJ, Brazil
| | - Lauana R Torres
- Instituto Oswaldo Cruz/FIOCRUZ, Laboratório de Virologia Molecular, Rio de Janeiro, RJ, Brazil
| | - Lyana R P Lima
- Instituto Oswaldo Cruz/FIOCRUZ, Laboratório de Virologia Molecular, Rio de Janeiro, RJ, Brazil
| | - Vanessa de Paula
- Instituto Oswaldo Cruz/FIOCRUZ, Laboratório de Virologia Molecular, Rio de Janeiro, RJ, Brazil
| | - José J Barros
- Instituto Oswaldo Cruz/FIOCRUZ, Laboratório de Virologia Molecular, Rio de Janeiro, RJ, Brazil
| | - Maria da Gloria Bonecini-Almeida
- Instituto Nacional de Infectologia Evandro Chagas/FIOCRUZ, Laboratório de Imunologia e Imunogenética em Doenças Infecciosas, Rio de Janeiro, RJ, Brazil
| | - Mariana Caldas Waghabi
- Instituto Oswaldo Cruz/FIOCRUZ, Laboratório de Genômica Funcional e Bioinformática, Rio de Janeiro, RJ, Brazil
| | - Marcelo A Gardel
- Instituto Nacional de Saúde da Mulher, da Criança e do Adolescente Fernandes Figueira/FIOCRUZ, Coordenação Diagnóstica de Anatomia Patológica e Citopatologia, Rio de Janeiro, RJ, Brazil
| | - Marcelo Meuser-Batista
- Instituto Nacional de Saúde da Mulher, da Criança e do Adolescente Fernandes Figueira/FIOCRUZ, Coordenação Diagnóstica de Anatomia Patológica e Citopatologia, Rio de Janeiro, RJ, Brazil
| | - Elen M de Souza
- Instituto Oswaldo Cruz/FIOCRUZ, Laboratório de Virologia Molecular, Rio de Janeiro, RJ, Brazil; Instituto Oswaldo Cruz/FIOCRUZ, Laboratório de Morfologia e Morfogênese Viral, Rio de Janeiro, RJ, Brazil.
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19
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Scroggs SLP, Andrade CC, Chinnasamy R, Azar SR, Schirtzinger EE, Garcia EI, Arterburn JB, Hanley KA, Rossi SL. Old Drugs with New Tricks: Efficacy of Fluoroquinolones to Suppress Replication of Flaviviruses. Viruses 2020; 12:v12091022. [PMID: 32933138 PMCID: PMC7551155 DOI: 10.3390/v12091022] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 09/10/2020] [Accepted: 09/11/2020] [Indexed: 02/06/2023] Open
Abstract
Repurposing FDA-approved compounds could provide the fastest route to alleviate the burden of disease caused by flaviviruses. In this study, three fluoroquinolones, enoxacin, difloxacin and ciprofloxacin, curtailed replication of flaviviruses Zika (ZIKV), dengue (DENV), Langat (LGTV) and Modoc (MODV) in HEK-293 cells at low micromolar concentrations. Time-of-addition assays suggested that enoxacin suppressed ZIKV replication at an intermediate step in the virus life cycle, whereas ciprofloxacin and difloxacin had a wider window of efficacy. A129 mice infected with 1 × 105 plaque-forming units (pfu) ZIKV FSS13025 (n = 20) or phosphate buffered saline (PBS) (n = 11) on day 0 and treated with enoxacin at 10 mg/kg or 15 mg/kg or diluent orally twice daily on days 1–5 did not differ in weight change or virus titer in serum or brain. However, mice treated with enoxacin showed a significant, five-fold decrease in ZIKV titer in testes relative to controls. Mice infected with 1 × 102 pfu ZIKV (n = 13) or PBS (n = 13) on day 0 and treated with 15 mg/kg oral enoxacin or diluent twice daily pre-treatment and days 1–5 post-treatment also did not differ in weight and viral load in the serum, brain, and liver, but mice treated with enoxacin showed a significant, 2.5-fold decrease in ZIKV titer in testes relative to controls. ZIKV can be sexually transmitted, so reduction of titer in the testes by enoxacin should be further investigated.
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Affiliation(s)
- Stacey L. P. Scroggs
- Department of Biology, New Mexico State University, Las Cruces, NM 88003, USA; (C.C.A.); (E.E.S.); (E.I.G.); (K.A.H.)
- Biology of Vector-Borne Viruses Section, Laboratory of Virology, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT 59840, USA
- Correspondence:
| | - Christy C. Andrade
- Department of Biology, New Mexico State University, Las Cruces, NM 88003, USA; (C.C.A.); (E.E.S.); (E.I.G.); (K.A.H.)
- Department of Biology, Gonzaga University, Spokane, WA 99258, USA
| | - Ramesh Chinnasamy
- Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, NM 88003, USA; (R.C.); (J.B.A.)
| | - Sasha R. Azar
- Institute for Translational Sciences, The University of University of Texas Medical Branch, Galveston, TX 77555, USA;
| | - Erin E. Schirtzinger
- Department of Biology, New Mexico State University, Las Cruces, NM 88003, USA; (C.C.A.); (E.E.S.); (E.I.G.); (K.A.H.)
- Arthropod-borne Animal Diseases Research Unit, United States Department of Agriculture, Agricultural Research Service, Manhattan, KS 66506, USA
| | - Erin I. Garcia
- Department of Biology, New Mexico State University, Las Cruces, NM 88003, USA; (C.C.A.); (E.E.S.); (E.I.G.); (K.A.H.)
- Science News, Washington, DC 20036, USA
| | - Jeffrey B. Arterburn
- Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, NM 88003, USA; (R.C.); (J.B.A.)
| | - Kathryn A. Hanley
- Department of Biology, New Mexico State University, Las Cruces, NM 88003, USA; (C.C.A.); (E.E.S.); (E.I.G.); (K.A.H.)
| | - Shannan L. Rossi
- Department of Pathology, The University of Texas Medical Branch, Galveston, TX 77555, USA;
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20
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Blitvich BJ, Magalhaes T, Laredo-Tiscareño SV, Foy BD. Sexual Transmission of Arboviruses: A Systematic Review. Viruses 2020; 12:v12090933. [PMID: 32854298 PMCID: PMC7552039 DOI: 10.3390/v12090933] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 08/20/2020] [Accepted: 08/22/2020] [Indexed: 12/15/2022] Open
Abstract
Arthropod-borne viruses (arboviruses) are primarily maintained in nature in transmission cycles between hematophagous arthropods and vertebrate hosts, but an increasing number of arboviruses have been isolated from or indirectly detected in the urogenital tract and sexual secretions of their vertebrate hosts, indicating that further investigation on the possibility of sexual transmission of these viruses is warranted. The most widely recognized sexually-transmitted arbovirus is Zika virus but other arboviruses, including Crimean-Congo hemorrhagic fever virus and dengue virus, might also be transmitted, albeit occasionally, by this route. This review summarizes our current understanding on the ability of arboviruses to be sexually transmitted. We discuss the sexual transmission of arboviruses between humans and between vertebrate animals, but not arthropod vectors. Every taxonomic group known to contain arboviruses (Asfarviridae, Bunyavirales, Flaviviridae, Orthomyxoviridae, Reoviridae, Rhabdoviridae and Togaviridae) is covered.
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Affiliation(s)
- Bradley J. Blitvich
- Department of Veterinary Microbiology and Preventive Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA 50011, USA;
- Correspondence: ; Tel.: +1-515-294-9861; Fax: +1-515-294-8500
| | - Tereza Magalhaes
- Arthropod-Borne and Infectious Diseases Laboratory, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO 80523, USA; (T.M.); (B.D.F.)
| | - S. Viridiana Laredo-Tiscareño
- Department of Veterinary Microbiology and Preventive Medicine, College of Veterinary Medicine, Iowa State University, Ames, IA 50011, USA;
| | - Brian D. Foy
- Arthropod-Borne and Infectious Diseases Laboratory, Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO 80523, USA; (T.M.); (B.D.F.)
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21
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Chu H, Yuen TTT, Chik KKH, Yuan S, Shuai H, Zou Z, Wang Y, Zhu Z, Yang D, Poon VKM, Chan CCS, Zhou J, Yin F, Kok KH, Yuen KY, Chan JFW. Targeting the Inositol-Requiring Enzyme-1 Pathway Efficiently Reverts Zika Virus-Induced Neurogenesis and Spermatogenesis Marker Perturbations. ACS Infect Dis 2020; 6:1745-1758. [PMID: 32329611 DOI: 10.1021/acsinfecdis.9b00526] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Zika virus (ZIKV) is an emerging flavivirus that may be associated with congenital anomalies in infected fetuses and severe neurological and genital tract complications in infected adults. Currently, antiviral treatments to revert these ZIKV-induced complications are lacking. ZIKV infection has recently been suggested to upregulate the host unfolded protein response, which may contribute to the congenital neurological anomalies. As an extension from these findings, we thoroughly investigated the ZIKV-induced unfolded protein response using a combination of the neuronal cell line, induced pluripotent stem cell-derived human neuronal stem and progenitor cells, and an interferon receptor-deficient A129 mouse model. Our results revealed a critical contribution of the inositol-requiring enzyme-1 (IRE1) arm of the unfolded protein response to ZIKV-induced neurological and testicular complications. Importantly, the inhibition of the IRE1 signaling pathway activation with KIRA6 (kinase-inhibiting RNAse attenuator 6), a selective small molecule IRE1 inhibitor that promotes cell survival, potently reverted the ZIKV-induced perturbations of the key gene expressions associated with neurogenesis and spermatogenesis in vitro and in vivo, highlighting the potential of IRE1 inhibition as a novel host-targeting antiviral strategy in combating against ZIKV-induced neurological and testicular pathologies.
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Affiliation(s)
- Hin Chu
- State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
| | - Terrence T. T. Yuen
- State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
| | - Kenn K. H. Chik
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
| | - Shuofeng Yuan
- State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
| | - Huiping Shuai
- State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
| | - Zijiao Zou
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
| | - Yixin Wang
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
| | - Zheng Zhu
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
| | - Dong Yang
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
| | - Vincent K. M. Poon
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
| | - Chris C. S. Chan
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
| | - Jie Zhou
- State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
| | - Feifei Yin
- Hainan Medical University-The University of Hong Kong Joint Laboratory of Tropical Infectious Diseases, Hainan Medical University and The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Medical University, Haikou, Hainan 571199, China
- Department of Pathogen Biology, Hainan Medical University, Haikou, Hainan 571199, China
| | - Kin-Hang Kok
- State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
| | - Kwok-Yung Yuen
- State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
- Hainan Medical University-The University of Hong Kong Joint Laboratory of Tropical Infectious Diseases, Hainan Medical University and The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Medical University, Haikou, Hainan 571199, China
- Carol Yu Centre for Infection, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
| | - Jasper F. W. Chan
- State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
- Hainan Medical University-The University of Hong Kong Joint Laboratory of Tropical Infectious Diseases, Hainan Medical University and The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Medical University, Haikou, Hainan 571199, China
- Carol Yu Centre for Infection, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region 999077, China
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22
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Tsetsarkin KA, Acklin JA, Liu G, Kenney H, Teterina NL, Pletnev AG, Lim JK. Zika virus tropism during early infection of the testicular interstitium and its role in viral pathogenesis in the testes. PLoS Pathog 2020; 16:e1008601. [PMID: 32614902 PMCID: PMC7331987 DOI: 10.1371/journal.ppat.1008601] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 05/05/2020] [Indexed: 12/18/2022] Open
Abstract
Sexual transmission and persistence of Zika virus (ZIKV) in the testes pose new challenges for controlling virus outbreaks and developing live-attenuated vaccines. It has been shown that testicular infection of ZIKV is initiated in the testicular interstitium, followed by spread of the virus in the seminiferous tubules. This leads to testicular damage and/or viral dissemination into the epididymis and eventually into semen. However, it remains unknown which cell types are targeted by ZIKV in the testicular interstitium, and what is the specific order of infectious events leading to ZIKV invasion of the seminiferous tubules. Here, we demonstrate that interstitial leukocytes expressing mir-511-3p microRNA are the initial targets of ZIKV in the testes, and infection of mir-511-3p-expressing cells in the testicular interstitium is necessary for downstream infection of the seminiferous tubules. Mir-511-3p is expressed concurrently with CD206, a marker of lineage 2 (M2) macrophages and monocyte derived dendritic cells (moDCs). Selective restriction of ZIKV infection of CD206-expressing M2 macrophages/moDCs results in the attenuation of macrophage-associated inflammatory responses in vivo and prevents the disruption of the Sertoli cell barrier in vitro. Finally, we show that targeting of viral genome for mir-511-3p significantly attenuates early ZIKV replication not only in the testes, but also in many peripheral organs, including spleen, epididymis, and pancreas. This incriminates M2 macrophages/moDCs as important targets for visceral ZIKV replication following hematogenous dissemination of the virus from the site of infection.
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Affiliation(s)
- Konstantin A. Tsetsarkin
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland, United States of America
| | - Joshua A. Acklin
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
- Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
| | - Guangping Liu
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland, United States of America
| | - Heather Kenney
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland, United States of America
| | - Natalia L. Teterina
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland, United States of America
| | - Alexander G. Pletnev
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, Maryland, United States of America
| | - Jean K. Lim
- Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, United States of America
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23
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Antiviral Activity of Compound L3 against Dengue and Zika Viruses In Vitro and In Vivo. Int J Mol Sci 2020; 21:ijms21114050. [PMID: 32517029 PMCID: PMC7312370 DOI: 10.3390/ijms21114050] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 06/04/2020] [Indexed: 12/13/2022] Open
Abstract
Dengue virus (DENV) and Zika virus (ZIKV) are mosquito-borne flaviviruses that cause severe illness after infection. Currently, there are no specific or effective treatments against DENV and ZIKV. Previous studies have shown that tyrosine kinase activities and signal transduction are involved in flavivirus replication, suggesting a potential therapeutic strategy for DENV and ZIKV. In this study, we found that compound L3 can significantly reduce viral protein expression and viral titers in HEK-293, MCF-7, HepG2, and Huh-7 cells and exhibits superior therapeutic efficacy against flaviviral infection compared to other tyrosine kinase inhibitors. In addition, compound L3 can decrease endogenous HER2 activation and inhibit the phosphorylation of the HER2 downstream signaling molecules Src and ERK1/2, the levels of which have been associated with viral protein expression in MCF-7 cells. Moreover, silencing HER2 diminished DENV-2 and ZIKV expression in MCF-7 cells, which suggests that HER2 activity is involved in flavivirus replication. Furthermore, in DENV-2-infected AG129 mice, treatment with compound L3 increased the survival rates and reduced the viremia levels. Overall, compound L3 demonstrates therapeutic efficacy both in vitro and in vivo and could be developed as a promising antiviral drug against emerging flaviviruses or for concurrent DENV and ZIKV outbreaks.
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24
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Huang HP, Chiang W, Stone L, Kang CK, Chuang CY, Kuo HC. Using human Pompe disease-induced pluripotent stem cell-derived neural cells to identify compounds with therapeutic potential. Hum Mol Genet 2020; 28:3880-3894. [PMID: 31518394 DOI: 10.1093/hmg/ddz218] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 08/26/2019] [Accepted: 09/02/2019] [Indexed: 12/28/2022] Open
Abstract
Pompe disease (OMIM # 232300) is a glycogen storage disease caused by autosomal recessive mutations of the gene encoding alpha-1,4-glucosidase (GAA; EC 3.2.1.20). Despite the relatively effective employment of enzyme replacement therapy, some critical medical issues still exist in patients with this disease, including the persistence of abnormalities in the central nervous system (CNS), probably because of the inability of the recombinant GAA to pass through the blood-brain barrier. To address this issue, identification of more therapeutic agents that target the CNS of patients with Pompe disease may be required. In this study, we derived neuronal cells from Pompe disease-induced pluripotent stem cells (Pom-iPSCs) and proved that they are able to recapitulate the hallmark cellular and biochemical phenotypes of Pompe disease. Using the Pom-iPSC-derived neurons as an in vitro drug-testing model, we then identified three compounds, ebselen, wortmannin and PX-866, with therapeutic potential to alleviate Pompe disease-associated pathological phenotypes in the neurons derived from Pom-iPSCs. We confirmed that all three compounds were able to enhance the GAA activity in the Pom-iPSC-derived neurons. Moreover, they were able to enhance the GAA activity in several important internal organs of GAA-deficient mice when co-injected with recombinant human GAA, and we found that intraperitoneal injection of ebselen was able to promote the GAA activity of the GAA-heterozygous mouse brain. Our results prove the usefulness of Pom-iPSC-derived neuronal populations for identifying new compounds with therapeutic potential.
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Affiliation(s)
- Hsiang-Po Huang
- Graduate Institute of Medical Genomics and Proteomics, National Taiwan University College of Medicine, Taipei, 10051, Taiwan
| | - Wei Chiang
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei 11529, Taiwan
| | - Lee Stone
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei 11529, Taiwan
| | - Chun-Kai Kang
- Graduate Institute of Medical Genomics and Proteomics, National Taiwan University College of Medicine, Taipei, 10051, Taiwan
| | - Ching-Yu Chuang
- Genomics Research Center, Academia Sinica, Taipei 11529, Taiwan
| | - Hung-Chih Kuo
- Graduate Institute of Medical Genomics and Proteomics, National Taiwan University College of Medicine, Taipei, 10051, Taiwan.,Institute of Cellular and Organismic Biology, Academia Sinica, Taipei 11529, Taiwan
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25
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Simanjuntak Y, Ko HY, Lee YL, Yu GY, Lin YL. Preventive effects of folic acid on Zika virus-associated poor pregnancy outcomes in immunocompromised mice. PLoS Pathog 2020; 16:e1008521. [PMID: 32392268 PMCID: PMC7241851 DOI: 10.1371/journal.ppat.1008521] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 05/21/2020] [Accepted: 04/06/2020] [Indexed: 12/16/2022] Open
Abstract
Zika virus (ZIKV) infection may lead to congenital microcephaly and pregnancy loss in pregnant women. In the context of pregnancy, folic acid (FA) supplementation may reduce the risk of abnormal pregnancy outcomes. Intriguingly, FA may have a beneficial effect on the adverse pregnancy outcomes associated with ZIKV infection. Here, we show that FA inhibits ZIKV replication in human umbilical vein endothelial cells (HUVECs) and a cell culture model of blood-placental barrier (BPB). The inhibitory effect of FA against ZIKV infection is associated with FRα-AMPK signaling. Furthermore, treatment with FA reduces pathological features in the placenta, number of fetal resorptions, and stillbirths in two mouse models of in utero ZIKV transmission. Mice with FA treatment showed lower viral burden and better prognostic profiles in the placenta including reduced inflammatory response, and enhanced integrity of BPB. Overall, our findings suggest the preventive role of FA supplementation in ZIKV-associated abnormal pregnancy and warrant nutritional surveillance to evaluate maternal FA status in areas with active ZIKV transmission.
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Affiliation(s)
- Yogy Simanjuntak
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Hui-Ying Ko
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
- Graduate Institute of Microbiology and Public Health, College of Veterinary Medicine, National Chung-Hsing University, Taichung, Taiwan
| | - Yi-Ling Lee
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Guann-Yi Yu
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Zhunan, Taiwan
| | - Yi-Ling Lin
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
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26
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The Cellular Impact of the ZIKA Virus on Male Reproductive Tract Immunology and Physiology. Cells 2020; 9:cells9041006. [PMID: 32325652 PMCID: PMC7226248 DOI: 10.3390/cells9041006] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 04/14/2020] [Accepted: 04/15/2020] [Indexed: 12/19/2022] Open
Abstract
Zika virus (ZIKV) has been reported by several groups as an important virus causing pathological damage in the male reproductive tract. ZIKV can infect and persist in testicular somatic and germ cells, as well as spermatozoa, leading to cell death and testicular atrophy. ZIKV has also been detected in semen samples from ZIKV-infected patients. This has huge implications for human reproduction. Global scientific efforts are being applied to understand the mechanisms related to arboviruses persistency, pathogenesis, and host cellular response to suggest a potential target to develop robust antiviral therapeutics and vaccines. Here, we discuss the cellular modulation of the immunologic and physiologic properties of the male reproductive tract environment caused by arboviruses infection, focusing on ZIKV. We also present an overview of the current vaccine effects and therapeutic targets against ZIKV infection that may impact the testis and male fertility.
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27
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Chen WC, Simanjuntak Y, Chu LW, Ping YH, Lee YL, Lin YL, Li WS. Benzenesulfonamide Derivatives as Calcium/Calmodulin-Dependent Protein Kinase Inhibitors and Antiviral Agents against Dengue and Zika Virus Infections. J Med Chem 2020; 63:1313-1327. [PMID: 31972088 DOI: 10.1021/acs.jmedchem.9b01779] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Emerging and resurging mosquito-borne flaviviruses are an important public health challenge. The increased prevalence of dengue virus (DENV) infection has had a significant socioeconomic impact on epidemic countries. The recent outbreak of Zika virus (ZIKV) has created an international public health emergency because ZIKV infection has been linked to congenital defects and Guillain-Barré syndrome. To develop potentially prophylactic antiviral drugs for combating these acute infectious diseases, we have targeted the host calcium/calmodulin-dependent kinase II (CaMKII) for inhibition. By using CaMKII structure-guided inhibitor design, we generated four families of benzenesulfonamide (BSA) derivatives for SAR analysis. Among these substances, N-(4-cycloheptyl-4-oxobutyl)-4-methoxy-N-phenylbenzenesulfonamide (9) showed superior properties as a lead CaMKII inhibitor and antiviral agent. BSA 9 inhibited CaMKII activity with an IC50 value of 0.79 μM and displayed EC50 values of 1.52 μM and 1.91 μM against DENV and ZIKV infections of human neuronal BE(2)C cells, respectively. Notably, 9 significantly reduced the viremia level and increased animal survival time in mouse-challenge models.
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Affiliation(s)
- Wei-Chia Chen
- Department of Chemistry , National Taiwan Normal University , Taipei 11677 , Taiwan.,Institute of Chemistry , Academia Sinica , Taipei 11529 , Taiwan
| | - Yogy Simanjuntak
- Institute of Biomedical Sciences , Academia Sinica , Taipei 11529 , Taiwan
| | - Li-Wei Chu
- Institute of Biophotonics , National Yang-Ming University , Taipei 11221 , Taiwan.,Reseach Center for Applied Sciences , Academia Sinica , Taipei 11529 , Taiwan
| | - Yueh-Hsin Ping
- Institute of Biophotonics , National Yang-Ming University , Taipei 11221 , Taiwan.,Department and Institute of Pharmacology , National Yang-Ming University , Taipei 11221 , Taiwan
| | - Yi-Ling Lee
- Institute of Biomedical Sciences , Academia Sinica , Taipei 11529 , Taiwan
| | - Yi-Ling Lin
- Institute of Biomedical Sciences , Academia Sinica , Taipei 11529 , Taiwan.,Genomic Research Center , Academia Sinica , Taipei 11529 , Taiwan
| | - Wen-Shan Li
- Institute of Chemistry , Academia Sinica , Taipei 11529 , Taiwan.,Doctoral Degree Program in Marine Biotechnology , National Sun Yat-Sen University , Kaohsiung 80424 , Taiwan.,Ph.D Program in Biotechnology Research and Development , Taipei Medical University , Taipei 11031 , Taiwan.,Department of Medicinal and Applied Chemistry , Kaohsiung Medical University , Kaohsiung 80708 , Taiwan
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28
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Chuang FK, Huang SM, Liao CL, Lee AR, Lien SP, Chiu YL, Chang TH, Tsai PL, Lin RJ, Shih CC, Tsai YJ, Lin GJ, Yen LC. Anti-inflammatory Compound Shows Therapeutic Safety and Efficacy against Flavivirus Infection. Antimicrob Agents Chemother 2019; 64:e00941-19. [PMID: 31636070 PMCID: PMC7187576 DOI: 10.1128/aac.00941-19] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 09/23/2019] [Indexed: 12/22/2022] Open
Abstract
Flaviviruses comprise several medically important viruses, including Japanese encephalitis virus, West Nile virus, dengue virus (DENV), yellow fever virus, and Zika virus (ZIKV). A large outbreak of DENV and ZIKV occurred recently, leading to many cases of illness and death. However, despite decades of effort, we have no clinically specific therapeutic drugs against DENV and ZIKV. Previous studies showed that inflammatory responses play a critical role in dengue and Zika virus pathogenesis. Thus, in this study, we examined a series of novel anti-inflammatory compounds and found that treatment with compound 2d could dose dependently reduce viral protein expression and viral progeny production in HEK-293 and Raw264.7 cells infected with four serotypes of DENV and ZIKV. In addition, considering medication safety, compound 2d could not suppress cyclooxygenase-1 (COX-1) enzymatic activities and thus could prevent the side effect of bleeding. Moreover, compound 2d significantly inhibited COX-2 enzymatic activities and prostaglandin E2 levels, associated with viral replication, compared to results with a selective COX-2 inhibitor, celecoxib. Furthermore, administering 5 mg/kg compound 2d to DENV-2-infected AG129 mice prolonged survival and reduced viremia and serum cytokine levels. Overall, compound 2d showed therapeutic safety and efficacy in vitro and in vivo and could be further developed as a potential therapeutic agent for flavivirus infection.
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Affiliation(s)
- Fu-Kai Chuang
- Penghu Branch of Tri-Service General Hospital, Penghu, Taiwan, Republic of China
| | - Shih-Ming Huang
- Department of Biochemistry, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Ching-Len Liao
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan, Republic of China
- Department of Microbiology and Immunology, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - An-Rong Lee
- School of Pharmacy, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Shu-Pei Lien
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan, Republic of China
| | - Yu-Lung Chiu
- School of Public Health, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Tsung-Hsien Chang
- Department of Microbiology and Immunology, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Pei-Ling Tsai
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Miaoli, Taiwan, Republic of China
- Department of Microbiology and Immunology, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Ren-Jye Lin
- National Mosquito-Borne Diseases Control Research Center, National Health Research Institute, Miaoli, Taiwan, Republic of China
| | - Chih-Chin Shih
- Department of Pharmacology, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Yi-Jing Tsai
- Department of Microbiology and Immunology, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Gu-Jiun Lin
- Department of Biology and Anatomy, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Li-Chen Yen
- Department of Microbiology and Immunology, National Defense Medical Center, Taipei, Taiwan, Republic of China
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29
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Molecular signatures associated with prostate cancer cell line (PC-3) exposure to inactivated Zika virus. Sci Rep 2019; 9:15351. [PMID: 31653965 PMCID: PMC6814752 DOI: 10.1038/s41598-019-51954-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 10/02/2019] [Indexed: 02/07/2023] Open
Abstract
The recent outbreak of Zika virus (ZIKV) infection associated with microcephaly cases has elicited much research on the mechanisms involved in ZIKV-host cell interactions. It has been described that Zika virus impairs cell growth, raising a hypothesis about its oncolytic potential against cancer cells. ZIKV tumor cell growth inhibition was later confirmed for glioblastoma. It was also demonstrated that an inactivated ZIKV prototype (ZVp) based on bacterial outer membrane vesicles has antiproliferative activity upon other cancer cell lines, such as PC-3 prostate cancer cell. This study aims at understanding the pathways that might be involved with the antiproliferative effect of Zika virus against prostate cancer cells. A metabolomic approach based on high-resolution mass spectrometry analysis led to the identification of 21 statistically relevant markers of PC-3 cells treated with ZVp. The markers were associated with metabolic alterations that trigger lipid remodeling, endoplasmic reticulum stress, inflammatory mediators, as well as disrupted porphyrin and folate metabolism. These findings highlight molecular signatures of ZVp-induced response that may be involved on cellular pathways triggered by its antiproliferative effect. To our knowledge, this is the first reported metabolomic assessment of ZIKV effect on prostate cancer cells, a promising topic for further research.
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30
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Si L, Meng Y, Tian F, Li W, Zou P, Wang Q, Xu W, Wang Y, Xia M, Hu J, Jiang S, Lu L. A Peptide-Based Virus Inactivator Protects Male Mice Against Zika Virus-Induced Damage of Testicular Tissue. Front Microbiol 2019; 10:2250. [PMID: 31611865 PMCID: PMC6777420 DOI: 10.3389/fmicb.2019.02250] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Accepted: 09/17/2019] [Indexed: 12/16/2022] Open
Abstract
Zika virus (ZIKV) was a re-emerging arbovirus associated with Guillain–Barré Syndrome in adult and congenital Zika syndrome in fetus and infant. Although ZIKV was mainly transmitted by mosquito bites, many sexual transmission cases have been reported since the outbreak in 2015. ZIKV can persist in testis and semen for a long time, causing testicular tissue damage and reducing sperm quality. However, no drug has been approved for prevention or treatment of ZIKV infection, especially infection in male testicular tissue. Previously reported peptide Z2 could inactivate ZIKV, inhibiting ZIKV infection in vitro and in vivo. Importantly, Z2 could inhibit vertical transmission of ZIKV in pregnant mice, reducing ZIKV infection in fetus. Here we showed that intraperitoneally administered Z2 could also be distributed to testis and epididymis, resulting in the reduction of ZIKV RNA copies in testicular tissue and protection of testis and epididymis against ZIKV-induced pathological damage and poor sperm quality in type I interferon receptor-deficient A129 mice. Thus, Z2, a ZIKV inactivator, could serve as an antiviral agent for treatment of ZIKV infection and attenuation of ZIKV-induced testicular tissue damage.
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Affiliation(s)
- Lulu Si
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences and Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Yu Meng
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences and Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Fang Tian
- NHC Key Laboratory of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Fudan University, Shanghai, China
| | - Weihua Li
- NHC Key Laboratory of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Fudan University, Shanghai, China
| | - Peng Zou
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences and Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Qian Wang
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences and Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Wei Xu
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences and Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Yuzhu Wang
- NHC Key Laboratory of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Fudan University, Shanghai, China
| | - Minjie Xia
- NHC Key Laboratory of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Fudan University, Shanghai, China
| | - Jingying Hu
- NHC Key Laboratory of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Fudan University, Shanghai, China
| | - Shibo Jiang
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences and Shanghai Public Health Clinical Center, Fudan University, Shanghai, China.,NHC Key Laboratory of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Fudan University, Shanghai, China.,Lindsley F. Kimball Research Institute, New York Blood Center, New York, NY, United States
| | - Lu Lu
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Sciences and Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
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31
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Therapeutic Advances Against ZIKV: A Quick Response, a Long Way to Go. Pharmaceuticals (Basel) 2019; 12:ph12030127. [PMID: 31480297 PMCID: PMC6789873 DOI: 10.3390/ph12030127] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 08/15/2019] [Accepted: 08/16/2019] [Indexed: 01/07/2023] Open
Abstract
Zika virus (ZIKV) is a mosquito-borne flavivirus that spread throughout the American continent in 2015 causing considerable worldwide social and health alarm due to its association with ocular lesions and microcephaly in newborns, and Guillain-Barré syndrome (GBS) cases in adults. Nowadays, no licensed vaccines or antivirals are available against ZIKV, and thus, in this very short time, the scientific community has conducted enormous efforts to develop vaccines and antivirals. So that, different platforms (purified inactivated and live attenuated viruses, DNA and RNA nucleic acid based candidates, virus-like particles, subunit elements, and recombinant viruses) have been evaluated as vaccine candidates. Overall, these vaccines have shown the induction of vigorous humoral and cellular responses, the decrease of viremia and viral RNA levels in natural target organs, the prevention of vertical and sexual transmission, as well as that of ZIKV-associated malformations, and the protection of experimental animal models. Some of these vaccine candidates have already been assayed in clinical trials. Likewise, the search for antivirals have also been the focus of recent investigations, with dozens of compounds tested in cell culture and a few in animal models. Both direct acting antivirals (DAAs), directed to viral structural proteins and enzymes, and host acting antivirals (HAAs), directed to cellular factors affecting all steps of the viral life cycle (binding, entry, fusion, transcription, translation, replication, maturation, and egress), have been evaluated. It is expected that this huge collaborative effort will produce affordable and effective therapeutic and prophylactic tools to combat ZIKV and other related still unknown or nowadays neglected flaviviruses. Here, a comprehensive overview of the advances made in the development of therapeutic measures against ZIKV and the questions that still have to be faced are summarized.
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Xu D, Li C, Qin CF, Xu Z. Update on the Animal Models and Underlying Mechanisms for ZIKV-Induced Microcephaly. Annu Rev Virol 2019; 6:459-479. [PMID: 31206355 DOI: 10.1146/annurev-virology-092818-015740] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The circulation of Zika virus (ZIKV) in nearly 80 countries and territories poses a significant global threat to public health. ZIKV is causally linked to severe developmental defects in the brain, recognized as congenital Zika syndrome (CZS), which includes microcephaly and other serious congenital neurological complications. Since the World Health Organization declared the ZIKV outbreak a public health emergency of international concern, remarkable progress has been made in the generation of different ZIKV infection animal models to gain insight into cellular targets and pathogenesis and to explore the associated underlying mechanisms. Here we focus on summarizing our current understanding of the effects of ZIKV on mammalian brain development in different developmental stages and discuss the potential underlying mechanisms of ZIKV-induced CZS, as well as future perspectives.
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Affiliation(s)
- Dan Xu
- College of Biological Science and Engineering, Institute of Life Sciences, Fuzhou University, Fuzhou 350108, China;
| | - Cui Li
- State Key Laboratory of Molecular Developmental Biology, CAS Center for Excellence in Brain Science and Intelligence Technology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China;
| | - Cheng-Feng Qin
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China;
| | - Zhiheng Xu
- State Key Laboratory of Molecular Developmental Biology, CAS Center for Excellence in Brain Science and Intelligence Technology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China; .,Parkinson's Disease Center, Beijing Institute for Brain Disorders, Beijing 100069, China
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Arsenyan P, Vasiljeva J, Ivanova A, Belyakov S. Unusual N,Se-heterocycles with cyclic Se–N+ bond of isoselenazolopurinium type. MENDELEEV COMMUNICATIONS 2019. [DOI: 10.1016/j.mencom.2019.01.033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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34
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Tsetsarkin KA, Maximova OA, Liu G, Kenney H, Teterina N, Bloom ME, Grabowski JM, Mlera L, Nagata BM, Moore I, Martens C, Amaro-Carambot E, Lamirande EW, Whitehead SS, Pletnev AG. Routes of Zika virus dissemination in the testis and epididymis of immunodeficient mice. Nat Commun 2018; 9:5350. [PMID: 30559387 PMCID: PMC6297220 DOI: 10.1038/s41467-018-07782-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 11/24/2018] [Indexed: 02/06/2023] Open
Abstract
Sexual transmission and persistence of Zika virus (ZIKV) in the male reproductive tract (MRT) poses new challenges for controlling virus outbreaks and developing live-attenuated vaccines. To elucidate routes of ZIKV dissemination in the MRT, we here generate microRNA-targeted ZIKV clones that lose the infectivity for (1) the cells inside seminiferous tubules of the testis, or (2) epithelial cells of the epididymis. We trace ZIKV dissemination in the MRT using an established mouse model of ZIKV pathogenesis. Our results support a model in which ZIKV infects the testis via a hematogenous route, while infection of the epididymis can occur via two routes: (1) hematogenous/lymphogenous and (2) excurrent testicular. Co-targeting of the ZIKV genome with brain-, testis-, and epididymis-specific microRNAs restricts virus infection of these organs, but does not affect virus-induced protective immunity in mice and monkeys. These defined alterations of ZIKV tropism represent a rational design of a safe live-attenuated ZIKV vaccine.
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Affiliation(s)
- Konstantin A Tsetsarkin
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, 20892-3203, MD, USA
| | - Olga A Maximova
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, 20892-3203, MD, USA
| | - Guangping Liu
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, 20892-3203, MD, USA
| | - Heather Kenney
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, 20892-3203, MD, USA
| | - Natalia Teterina
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, 20892-3203, MD, USA
| | - Marshall E Bloom
- Biology of Vector-Borne Viruses Section, Laboratory of Virology, Rocky Mountain Laboratories, NIAID, NIH, Hamilton, 59840, MT, USA
| | - Jeffrey M Grabowski
- Biology of Vector-Borne Viruses Section, Laboratory of Virology, Rocky Mountain Laboratories, NIAID, NIH, Hamilton, 59840, MT, USA
| | - Luwanika Mlera
- Biology of Vector-Borne Viruses Section, Laboratory of Virology, Rocky Mountain Laboratories, NIAID, NIH, Hamilton, 59840, MT, USA
| | - Bianca M Nagata
- Infectious Disease and Pathogenesis Section, Comparative Medicine Branch, NIAID, NIH, Rockville, 20892, MD, USA
| | - Ian Moore
- Infectious Disease and Pathogenesis Section, Comparative Medicine Branch, NIAID, NIH, Rockville, 20892, MD, USA
| | - Craig Martens
- Research Technologies (RT) Section, RT Branch, Rocky Mountain Laboratories, NIAID, NIH, Hamilton, 58940, MT, USA
| | | | | | | | - Alexander G Pletnev
- Laboratory of Infectious Diseases, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, 20892-3203, MD, USA.
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Han Y, Mesplède T. Investigational drugs for the treatment of Zika virus infection: a preclinical and clinical update. Expert Opin Investig Drugs 2018; 27:951-962. [PMID: 30430882 DOI: 10.1080/13543784.2018.1548609] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
INTRODUCTION The Zika virus (ZIKV) infection results in severe neurological complications and has emerged as a threat to public health worldwide. No drugs or vaccines are available for use in the clinic and the need for novel and effective therapeutic agents is urgent. AREAS COVERED This review describes the latest progress of antiviral development for the treatment of ZIKV infection; it primarily focuses on the literature describing 20 potential anti-ZIKV drugs/agents currently being tested in vivo or in clinical trials. The paper also discusses the need for novel ZIKV inhibitors and the critical issues for successful antiviral drug development. EXPERT OPINION So far, 20 compounds have been tested in vivo and three in the clinical trials; progressing these compounds to the clinic is a challenge. Novel ZIKV inhibitors that target virus or host factors are urgently needed. Knowledge-driven drug repurposing, structure-based discovery, RNA interference, long noncoding RNAs, miRNAs, and peptide inhibitors may pave the way for the discovery of such novel agents.
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Affiliation(s)
- Yingshan Han
- a McGill University AIDS Centre , Lady Davis Institute for Medical Research, Jewish General Hospital , Montreal , Canada
| | - Thibault Mesplède
- a McGill University AIDS Centre , Lady Davis Institute for Medical Research, Jewish General Hospital , Montreal , Canada
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Saiz JC, Oya NJD, Blázquez AB, Escribano-Romero E, Martín-Acebes MA. Host-Directed Antivirals: A Realistic Alternative to Fight Zika Virus. Viruses 2018; 10:v10090453. [PMID: 30149598 PMCID: PMC6163279 DOI: 10.3390/v10090453] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 08/17/2018] [Accepted: 08/22/2018] [Indexed: 12/21/2022] Open
Abstract
Zika virus (ZIKV), a mosquito-borne flavivirus, was an almost neglected pathogen until its introduction in the Americas in 2015, where it has been responsible for a threat to global health, causing a great social and sanitary alarm due to its increased virulence, rapid spread, and an association with severe neurological and ophthalmological complications. Currently, no specific antiviral therapy against ZIKV is available, and treatments are palliative and mainly directed toward the relief of symptoms, such as fever and rash, by administering antipyretics, anti-histamines, and fluids for dehydration. Nevertheless, lately, search for antivirals has been a major aim in ZIKV investigations. To do so, screening of libraries from different sources, testing of natural compounds, and repurposing of drugs with known antiviral activity have allowed the identification of several antiviral candidates directed to both viral (structural proteins and enzymes) and cellular elements. Here, we present an updated review of current knowledge about anti-ZIKV strategies, focusing on host-directed antivirals as a realistic alternative to combat ZIKV infection.
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Affiliation(s)
- Juan-Carlos Saiz
- Department of Biotechnology, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 28040 Madrid, Spain.
| | - Nereida Jiménez de Oya
- Department of Biotechnology, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 28040 Madrid, Spain.
| | - Ana-Belén Blázquez
- Department of Biotechnology, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 28040 Madrid, Spain.
| | - Estela Escribano-Romero
- Department of Biotechnology, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 28040 Madrid, Spain.
| | - Miguel A Martín-Acebes
- Department of Biotechnology, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 28040 Madrid, Spain.
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McDonald EM, Duggal NK, Ritter JM, Brault AC. Infection of epididymal epithelial cells and leukocytes drives seminal shedding of Zika virus in a mouse model. PLoS Negl Trop Dis 2018; 12:e0006691. [PMID: 30070988 PMCID: PMC6091970 DOI: 10.1371/journal.pntd.0006691] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 08/14/2018] [Accepted: 07/15/2018] [Indexed: 11/30/2022] Open
Abstract
While primarily a mosquito-borne virus, Zika virus (ZIKV; genus Flavivirus in the Flaviviridae family) is capable of being sexually transmitted. Thirty to fifty percent of men with confirmed ZIKV infection shed ZIKV RNA in their semen, and prolonged viral RNA shedding in semen can occur for more than 6 months. The cellular reservoir of ZIKV in semen is unknown, although spermatozoa have been shown to contain ZIKV RNA and antigen. Yet, spermatozoa are not a requisite for sexual transmission, as at least one case of ZIKV sexual transmission involved a vasectomized man. To determine the cellular reservoirs of ZIKV in semen, an established animal model of sexual transmission was used. The majority of virus detected in the seminal fluid of infected mice during the peak timing of sexual transmission was from the supernatant fraction, suggesting cell-free ZIKV may be largely responsible for sexual transmission. However, some ZIKV RNA was cell-associated. In the testes and epididymides of infected mice, intracellular staining of ZIKV RNA was more pronounced in spermatogenic precursors (spermatocytes and spermatogonia) than in spermatids. Visualization of intracellular negative strand ZIKV RNA demonstrated ZIKV replication intermediates in leukocytes, immature spermatids and epididymal epithelial cells in the male urogenital tract. Epididymal epithelial cells were the principal source of negative-strand ZIKV RNA during the peak timing of sexual transmission potential, indicating these cells may be the predominant source of infectious cell-free ZIKV in seminal fluid. These data promote a more complete understanding of sexual transmission of ZIKV and will inform further model development for future studies on persistent ZIKV RNA shedding.
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Affiliation(s)
- Erin M. McDonald
- Division of Vector-borne Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, United States of America
| | - Nisha K. Duggal
- Division of Vector-borne Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, United States of America
| | - Jana M. Ritter
- Division of High-Consequence Pathogens and Pathology, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Aaron C. Brault
- Division of Vector-borne Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, United States of America
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Counotte MJ, Kim CR, Wang J, Bernstein K, Deal CD, Broutet NJN, Low N. Sexual transmission of Zika virus and other flaviviruses: A living systematic review. PLoS Med 2018; 15:e1002611. [PMID: 30040845 PMCID: PMC6057622 DOI: 10.1371/journal.pmed.1002611] [Citation(s) in RCA: 99] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Accepted: 06/14/2018] [Indexed: 12/09/2022] Open
Abstract
BACKGROUND Health authorities in the United States and Europe reported an increasing number of travel-associated episodes of sexual transmission of Zika virus (ZIKV) following the 2015-2017 ZIKV outbreak. This, and other scientific evidence, suggests that ZIKV is sexually transmissible in addition to having its primary mosquito-borne route. The objective of this systematic review and evidence synthesis was to clarify the epidemiology of sexually transmitted ZIKV. METHODS AND FINDINGS We performed a living (i.e., continually updated) systematic review of evidence published up to 15 April 2018 about sexual transmission of ZIKV and other arthropod-borne flaviviruses in humans and other animals. We defined 7 key elements of ZIKV sexual transmission for which we extracted data: (1) rectal and vaginal susceptibility to infection, (2) incubation period following sexual transmission, (3) serial interval between the onset of symptoms in a primary and secondary infected individuals, (4) duration of infectiousness, (5) reproduction number, (6) probability of transmission per sex act, and (7) transmission rate. We identified 1,227 unique publications and included 128, of which 77 presented data on humans and 51 presented data on animals. Laboratory experiments confirm that rectal and vaginal mucosae are susceptible to infection with ZIKV and that the testis serves as a reservoir for the virus in animal models. Sexual transmission was reported in 36 human couples: 34/36 of these involved male-to-female sexual transmission. The median serial symptom onset interval in 15 couples was 12 days (interquartile range: 10-14.5); the maximum was 44 days. We found evidence from 2 prospective cohorts that ZIKV RNA is present in human semen with a median duration of 34 days (95% CI: 28-41 days) and 35 days (no CI given) (low certainty of evidence, according to GRADE). Aggregated data about detection of ZIKV RNA from 37 case reports and case series indicate a median duration of detection of ZIKV of 40 days (95% CI: 30-49 days) and maximum duration of 370 days in semen. In human vaginal fluid, median duration was 14 days (95% CI: 7-20 days) and maximum duration was 37 days (very low certainty). Infectious virus in human semen was detected for a median duration of 12 days (95% CI: 1-21 days) and maximum of 69 days. Modelling studies indicate that the reproduction number is below 1 (very low certainty). Evidence was lacking to estimate the incubation period or the transmission rate. Evidence on sexual transmission of other flaviviruses was scarce. The certainty of the evidence is limited because of uncontrolled residual bias. CONCLUSIONS The living systematic review and sexual transmission framework allowed us to assess evidence about the risk of sexual transmission of ZIKV. ZIKV is more likely transmitted from men to women than from women to men. For other flaviviruses, evidence of sexual transmissibility is still absent. Taking into account all available data about the duration of detection of ZIKV in culture and from the serial interval, our findings suggest that the infectious period for sexual transmission of ZIKV is shorter than estimates from the earliest post-outbreak studies, which were based on reverse transcription PCR alone.
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Affiliation(s)
| | - Caron Rahn Kim
- Department of Reproductive Health and Research, World Health Organization, Geneva, Switzerland
| | - Jingying Wang
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
| | - Kyle Bernstein
- Division of Sexually Transmitted Disease Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Carolyn D. Deal
- National Institute of Allergy and Infectious Diseases, Bethesda, Maryland, United States of America
| | | | - Nicola Low
- Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland
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