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Gilbert-Jaramillo J, Komarasamy TV, Balasubramaniam VR, Heather LC, James WS. Targeting glucose metabolism with dichloroacetate (DCA) reduces zika virus replication in brain cortical progenitors at different stages of maturation. Antiviral Res 2024; 228:105933. [PMID: 38851593 DOI: 10.1016/j.antiviral.2024.105933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 06/03/2024] [Accepted: 06/06/2024] [Indexed: 06/10/2024]
Abstract
The underlying threat of new Zika virus (ZIKV) outbreaks remains, as no vaccines or therapies have yet been developed. In vitro research has shown that glycolysis is a key factor to enable sustained ZIKV replication in neuroprogenitors. However, neither in vivo nor clinical investigation of glycolytic modulators as potential therapeutics for ZIKV-related fetal abnormalities has been conducted. Accordingly, we tested the therapeutic potential of metabolic modulators in relevant in vitro systems comprising two pools of neuroprogenitors (NPCs), which resemble early and late stages of pregnancy. Effective doses of metabolic modulators [3.0 μM] dimethyl fumarate (DMF), [3.2 mM] dichloroacetate (DCA), and [6.3 μM] VER-246608 were determined for these cells by their effect on lactate release, pyruvate dehydrogenase (PDH) activity and cell survival. The drugs were used in a 24h pre-treatment and kept throughout ZIKV infection of NPCs. Drug effects and ZIKV replication were assessed at 24- and 56-h post-infection. In early NPCs treated with DMF, DCA and VER-246608, there was a significant reduction in the extracellular release of ZIKV potentially by PDH-mediated increased mitochondrial oxidation of glucose. Out of the three drugs, only DCA was observed to reduce viral replication in late NPCs treated with DCA. Altogether, our findings suggest that reduction of anaerobic glycolysis could be of therapeutic potential against ZIKV-related fetal abnormalities and that clinical translation should consider the use of specific glycolytic modulators over different trimesters.
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Affiliation(s)
- Javier Gilbert-Jaramillo
- James & Lillian Martin Centre, Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford, OX1 3RE, UK.
| | - Thamil Vaani Komarasamy
- Infection and Immunity Research Strength, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Malaysia
| | - Vinod Rmt Balasubramaniam
- Infection and Immunity Research Strength, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Malaysia
| | - Lisa C Heather
- Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, OX1 3PT, UK
| | - William S James
- James & Lillian Martin Centre, Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford, OX1 3RE, UK.
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2
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Guo Y, Dong Y, Zheng R, Yan J, Li W, Xu Y, Yan X, Ke Y, Li Y, Xiang L. Correlation between viral infections in male semen and infertility: a literature review. Virol J 2024; 21:167. [PMID: 39080728 PMCID: PMC11290048 DOI: 10.1186/s12985-024-02431-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Accepted: 07/06/2024] [Indexed: 08/02/2024] Open
Abstract
Infertility affects approximately one-sixth of couples globally, with the incidence of male infertility steadily increasing. However, our understanding of the impact of viral infections on fertility remains limited. This review consolidates findings from previous studies, outlining 40 viruses identified in human semen and summarizing their key characteristics, modes of transmission, and their effects on both the reproductive and endocrine systems. Furthermore, it elucidates potential pathogenic mechanisms and treatment prospects of viruses strongly associated with male infertility. This synthesis will enhance our comprehension of how viral infections influence male reproductive health, offering valuable insights for future research as well as the diagnosis and treatment of infectious infertility.
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Affiliation(s)
- Yan Guo
- Department of Reproductive Gynecology, NHC Key Laboratory of Healthy Birth and Birth Defect Prevention in Western China, the First People's Hospital of Yunnan Province, Kunming, Yunnan, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Yunhua Dong
- Department of Reproductive Medicine, NHC Key Laboratory of Healthy Birth and Birth Defect Prevention in Western China, the First People's Hospital of Yunnan Province, Kunming, Yunnan, China
- KUST-YPFPH Reproductive Medicine Joint Research Center, Medical school of Kunming University of Science and Technology, Kunming, Yunnan, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Runzi Zheng
- Department of Reproductive Medicine, NHC Key Laboratory of Healthy Birth and Birth Defect Prevention in Western China, the First People's Hospital of Yunnan Province, Kunming, Yunnan, China
- KUST-YPFPH Reproductive Medicine Joint Research Center, Medical school of Kunming University of Science and Technology, Kunming, Yunnan, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Jiacong Yan
- Department of Reproductive Medicine, NHC Key Laboratory of Healthy Birth and Birth Defect Prevention in Western China, the First People's Hospital of Yunnan Province, Kunming, Yunnan, China
- KUST-YPFPH Reproductive Medicine Joint Research Center, Medical school of Kunming University of Science and Technology, Kunming, Yunnan, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Weiyuan Li
- Department of Reproductive Medicine, NHC Key Laboratory of Healthy Birth and Birth Defect Prevention in Western China, the First People's Hospital of Yunnan Province, Kunming, Yunnan, China
- KUST-YPFPH Reproductive Medicine Joint Research Center, Medical school of Kunming University of Science and Technology, Kunming, Yunnan, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Ya Xu
- Department of Clinical Laboratory, the First People's Hospital of Yunnan Province, Kunming, Yunnan, China
| | - Xuelan Yan
- Department of Reproductive Gynecology, NHC Key Laboratory of Healthy Birth and Birth Defect Prevention in Western China, the First People's Hospital of Yunnan Province, Kunming, Yunnan, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Yunmei Ke
- Department of Reproductive Gynecology, NHC Key Laboratory of Healthy Birth and Birth Defect Prevention in Western China, the First People's Hospital of Yunnan Province, Kunming, Yunnan, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Yantao Li
- Department of Reproductive Gynecology, NHC Key Laboratory of Healthy Birth and Birth Defect Prevention in Western China, the First People's Hospital of Yunnan Province, Kunming, Yunnan, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Lifeng Xiang
- Department of Reproductive Medicine, NHC Key Laboratory of Healthy Birth and Birth Defect Prevention in Western China, the First People's Hospital of Yunnan Province, Kunming, Yunnan, China.
- KUST-YPFPH Reproductive Medicine Joint Research Center, Medical school of Kunming University of Science and Technology, Kunming, Yunnan, China.
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China.
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3
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Imad HA, Garcia GJD, Martinez GGV, Asawapaithulsert P, Thippornchai N, Leaungwutiwong P, Piyaphanee W, Silachamroon U, Charunwatthana P. Zika infection among international students after five months in Thailand. J Travel Med 2024; 31:taae068. [PMID: 38703380 DOI: 10.1093/jtm/taae068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 04/24/2024] [Accepted: 05/03/2024] [Indexed: 05/06/2024]
Abstract
Zika virus outbreak was traced among international students in Thailand. Testing was prompted by a single symptomatic case, which revealed seropositivity in two students. These results highlight the potential risk of Zika and emphasize the importance of implementing preventive measures for those travelling to endemic regions such as Thailand.
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Affiliation(s)
- Hisham Ahmed Imad
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Department of Viral Infections, Center for Infectious Disease Education and Research, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - Guillem Joan Deus Garcia
- Mahidol-Bangkok School of Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Departamento de Urgencias, Hospital del Mar, Barcelona, Catalunya, Spain
| | - Gemma Gomariz-Vilaldach Martinez
- Mahidol-Bangkok School of Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Servicio de Unidad de Curas Intensivas, Hospital de Mataro, Mataro, Catalunya, Spain
| | - Punyisa Asawapaithulsert
- Faculty of Tropical Medicine, Mahidol University, Thai Travel Clinic, Hospital for Tropical Diseases, Bangkok, Thailand
| | - Narin Thippornchai
- Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Pornsawan Leaungwutiwong
- Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Tropical Medicine Diagnostic Reference Laboratory, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Watcharapong Piyaphanee
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Faculty of Tropical Medicine, Mahidol University, Thai Travel Clinic, Hospital for Tropical Diseases, Bangkok, Thailand
| | - Udomsak Silachamroon
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Prakaykaew Charunwatthana
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
- Mahidol Oxford Research Unit, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
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4
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Groß R, Reßin H, von Maltitz P, Albers D, Schneider L, Bley H, Hoffmann M, Cortese M, Gupta D, Deniz M, Choi JY, Jansen J, Preußer C, Seehafer K, Pöhlmann S, Voelker DR, Goffinet C, Pogge-von Strandmann E, Bunz U, Bartenschlager R, El Andaloussi S, Sparrer KMJ, Herker E, Becker S, Kirchhoff F, Münch J, Müller JA. Phosphatidylserine-exposing extracellular vesicles in body fluids are an innate defence against apoptotic mimicry viral pathogens. Nat Microbiol 2024; 9:905-921. [PMID: 38528146 PMCID: PMC10994849 DOI: 10.1038/s41564-024-01637-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 02/14/2024] [Indexed: 03/27/2024]
Abstract
Some viruses are rarely transmitted orally or sexually despite their presence in saliva, breast milk, or semen. We previously identified that extracellular vesicles (EVs) in semen and saliva inhibit Zika virus infection. However, the antiviral spectrum and underlying mechanism remained unclear. Here we applied lipidomics and flow cytometry to show that these EVs expose phosphatidylserine (PS). By blocking PS receptors, targeted by Zika virus in the process of apoptotic mimicry, they interfere with viral attachment and entry. Consequently, physiological concentrations of EVs applied in vitro efficiently inhibited infection by apoptotic mimicry dengue, West Nile, Chikungunya, Ebola and vesicular stomatitis viruses, but not severe acute respiratory syndrome coronavirus 2, human immunodeficiency virus 1, hepatitis C virus and herpesviruses that use other entry receptors. Our results identify the role of PS-rich EVs in body fluids in innate defence against infection via viral apoptotic mimicries, explaining why these viruses are primarily transmitted via PS-EV-deficient blood or blood-ingesting arthropods rather than direct human-to-human contact.
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Affiliation(s)
- Rüdiger Groß
- Institute of Molecular Virology, Ulm University Medical Center, Ulm, Germany
| | - Hanna Reßin
- Institute of Molecular Virology, Ulm University Medical Center, Ulm, Germany
| | - Pascal von Maltitz
- Institute of Molecular Virology, Ulm University Medical Center, Ulm, Germany
| | - Dan Albers
- Institute of Molecular Virology, Ulm University Medical Center, Ulm, Germany
| | - Laura Schneider
- Institute of Virology, Philipps University Marburg, Marburg, Germany
| | - Hanna Bley
- Institute of Virology, Philipps University Marburg, Marburg, Germany
| | - Markus Hoffmann
- Infection Biology Unit, German Primate Center, Göttingen, Germany
- Georg-August University Göttingen, Göttingen, Germany
| | - Mirko Cortese
- Department of Infectious Diseases, Molecular Virology, University of Heidelberg, Heidelberg, Germany
| | - Dhanu Gupta
- Biomolecular Medicine, Clinical Research Center, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
- Department of Paediatrics, University of Oxford, Oxford, UK
| | - Miriam Deniz
- Clinic for Gynecology and Obstetrics, Ulm University Medical Center, Ulm, Germany
| | - Jae-Yeon Choi
- Department of Medicine, National Jewish Health, Denver, CO, USA
| | - Jenny Jansen
- Institute of Virology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Christian Preußer
- Core Facility Extracellular Vesicles, Institute for Tumor Immunology, Center for Tumor Biology and Immunology, Philipps University Marburg, Marburg, Germany
| | - Kai Seehafer
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität, Heidelberg, Germany
| | - Stefan Pöhlmann
- Infection Biology Unit, German Primate Center, Göttingen, Germany
- Georg-August University Göttingen, Göttingen, Germany
| | | | - Christine Goffinet
- Institute of Virology, Charité-Universitätsmedizin Berlin, Berlin, Germany
- Department of Tropical Disease Biology, Liverpool School of Tropical Medicine, Liverpool, UK
| | - Elke Pogge-von Strandmann
- Core Facility Extracellular Vesicles, Institute for Tumor Immunology, Center for Tumor Biology and Immunology, Philipps University Marburg, Marburg, Germany
| | - Uwe Bunz
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität, Heidelberg, Germany
| | - Ralf Bartenschlager
- Department of Infectious Diseases, Molecular Virology, University of Heidelberg, Heidelberg, Germany
| | - Samir El Andaloussi
- Biomolecular Medicine, Clinical Research Center, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | | | - Eva Herker
- Institute of Virology, Philipps University Marburg, Marburg, Germany
| | - Stephan Becker
- Institute of Virology, Philipps University Marburg, Marburg, Germany
| | - Frank Kirchhoff
- Institute of Molecular Virology, Ulm University Medical Center, Ulm, Germany
| | - Jan Münch
- Institute of Molecular Virology, Ulm University Medical Center, Ulm, Germany
| | - Janis A Müller
- Institute of Molecular Virology, Ulm University Medical Center, Ulm, Germany.
- Institute of Virology, Philipps University Marburg, Marburg, Germany.
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5
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Hcini N, Lambert V, Picone O, Carod JF, Carles G, Pomar L, Epelboin L, Nacher M. Arboviruses and pregnancy: are the threats visible or hidden? Trop Dis Travel Med Vaccines 2024; 10:4. [PMID: 38355934 PMCID: PMC10868105 DOI: 10.1186/s40794-023-00213-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 11/22/2023] [Indexed: 02/16/2024] Open
Abstract
Mosquito-borne arboviral diseases are a global concern and can have severe consequences on maternal, neonatal, and child health. Their impact on pregnancy tends to be neglected in developing countries. Despite hundreds of millions of infections, 90% pregnancies being exposed, scientific data on pregnant women is poor and sometimes non-existent. Recently and since the 2016 Zika virus outbreak, there has been a newfound interest in these diseases. Through various neuropathogenic, visceral, placental, and teratogenic mechanisms, these arbovirus infections can lead to fetal losses, obstetrical complications, and a wide range of congenital abnormalities, resulting in long-term neurological and sensory impairments. Climate change, growing urbanization, worldwide interconnectivity, and ease of mobility allow arboviruses to spread to other territories and impact populations that had never been in contact with these emerging agents before. Pregnant travelers are also at risk of infection with potential subsequent complications. Beyond that, these pathologies show the inequalities of access to care on a global scale in a context of demographic growth and increasing urbanization. It is essential to promote research, diagnostic tools, treatments, and vaccine development to address this emerging threat.Background The vulnerability of pregnant women and fetuses to emergent and re-emergent pathogens has been notably illustrated by the outbreaks of Zika virus. Our comprehension of the complete scope and consequences of these infections during pregnancy remains limited, particularly among those involved in perinatal healthcare, such as obstetricians and midwives. This review aims to provide the latest information and recommendations regarding the various risks, management, and prevention for pregnant women exposed to arboviral infections.
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Affiliation(s)
- Najeh Hcini
- Department of Obstetrics and Gynecology, West French Guiana Hospital Center, Saint-Laurent-du-Maroni, French Guiana.
- CIC Inserm 1424 and DFR Santé Université Guyane, Cayenne, French Guiana, France.
| | - Véronique Lambert
- Department of Obstetrics and Gynecology, West French Guiana Hospital Center, Saint-Laurent-du-Maroni, French Guiana
| | - Olivier Picone
- Department of Obstetrics and Gynecology, Hôpital Louis Mourier, Hôpitaux Universitaires Paris Nord Val de Seine, Assistance Publique : Hôpitaux de Paris, Université Paris Diderot, CEDEX, Colombes, France
| | - Jean-Francois Carod
- Department of Biology, West French Guiana Hospital Center, Saint-Laurent-du-Maroni, French Guiana
| | - Gabriel Carles
- Department of Obstetrics and Gynecology, West French Guiana Hospital Center, Saint-Laurent-du-Maroni, French Guiana
| | - Léo Pomar
- Materno-Fetal and Obstetrics Research Unit, Department "Woman-Mother-Child", Lausanne University Hospital, Lausanne, Switzerland
| | - Loïc Epelboin
- Department of Infectious and Tropical Diseases, Cayenne General Hospital, Cayenne, French Guiana, France
| | - Mathieu Nacher
- Centre d'Investigation Clinique Antilles Guyane, Inserm CIC1424, Centre Hospitalier de Cayenne, 97300, Cayenne, French Guiana
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Garg A, Lim JK. A Pocket Guide to CCR5-Neurotropic Flavivirus Edition. Viruses 2023; 16:28. [PMID: 38257729 PMCID: PMC10820758 DOI: 10.3390/v16010028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/19/2023] [Accepted: 12/21/2023] [Indexed: 01/24/2024] Open
Abstract
CCR5 is among the most studied chemokine receptors due to its profound significance in human health and disease. The notion that CCR5 is a functionally redundant receptor was challenged through the demonstration of its unique protective role in the context of West Nile virus in both mice and humans. In the nearly two decades since this initial discovery, numerous studies have investigated the role of CCR5 in the context of other medically important neurotropic flaviviruses, most of which appear to support a broad neuroprotective role for this receptor, although how CCR5 exerts its protective effect has been remarkably varied. In this review, we summarize the mechanisms by which CCR5 controls neurotropic flaviviruses, as well as results from human studies evaluating a genetic link to CCR5, and propose unexplored areas of research that are needed to unveil even more exciting roles for this important receptor.
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Affiliation(s)
| | - Jean K. Lim
- Department of Microbiology, The Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1124, New York, NY 10029, USA;
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Renard A, Pérez Lombardini F, Pacheco Zapata M, Porphyre T, Bento A, Suzán G, Roiz D, Roche B, Arnal A. Interaction of Human Behavioral Factors Shapes the Transmission of Arboviruses by Aedes and Culex Mosquitoes. Pathogens 2023; 12:1421. [PMID: 38133304 PMCID: PMC10746986 DOI: 10.3390/pathogens12121421] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 11/23/2023] [Accepted: 12/04/2023] [Indexed: 12/23/2023] Open
Abstract
Arboviruses, i.e., viruses transmitted by blood-sucking arthropods, trigger significant global epidemics. Over the past 20 years, the frequency of the (re-)emergence of these pathogens, particularly those transmitted by Aedes and Culex mosquitoes, has dramatically increased. Therefore, understanding how human behavior is modulating population exposure to these viruses is of particular importance. This synthesis explores human behavioral factors driving human exposure to arboviruses, focusing on household surroundings, socio-economic status, human activities, and demographic factors. Household surroundings, such as the lack of water access, greatly influence the risk of arbovirus exposure by promoting mosquito breeding in stagnant water bodies. Socio-economic status, such as low income or low education, is correlated to an increased incidence of arboviral infections and exposure. Human activities, particularly those practiced outdoors, as well as geographical proximity to livestock rearing or crop cultivation, inadvertently provide favorable breeding environments for mosquito species, escalating the risk of virus exposure. However, the effects of demographic factors like age and gender can vary widely through space and time. While climate and environmental factors crucially impact vector development and viral replication, household surroundings, socio-economic status, human activities, and demographic factors are key drivers of arbovirus exposure. This article highlights that human behavior creates a complex interplay of factors influencing the risk of mosquito-borne virus exposure, operating at different temporal and spatial scales. To increase awareness among human populations, we must improve our understanding of these complex factors.
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Affiliation(s)
- Aubane Renard
- Maladies Infectieuses et Vecteurs: Ecologie, Génétique, Evolution et Contrôle (MIVEGEC), Institut de Recherche Pour le Développement (IRD), Centre National de la Recherche Scientifique (CNRS), Université de Montpellier, 34394 Montpellier, France; (A.R.); (D.R.); (B.R.)
| | - Fernanda Pérez Lombardini
- Fauna Silvestre y Animales de Laboratorio, Departamento de Etología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México (UNAM), Ciudad de México 04510, Mexico; (F.P.L.); (M.P.Z.); (G.S.)
- International Joint Laboratory IRD/UNAM ELDORADO (Ecosystem, Biological Diversity, Habitat Modifications, and Risk of Emerging Pathogens and Diseases in Mexico), Merida 97205, Mexico
| | - Mitsuri Pacheco Zapata
- Fauna Silvestre y Animales de Laboratorio, Departamento de Etología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México (UNAM), Ciudad de México 04510, Mexico; (F.P.L.); (M.P.Z.); (G.S.)
- International Joint Laboratory IRD/UNAM ELDORADO (Ecosystem, Biological Diversity, Habitat Modifications, and Risk of Emerging Pathogens and Diseases in Mexico), Merida 97205, Mexico
| | - Thibaud Porphyre
- Laboratoire de Biométrie et Biologie Évolutive, VetAgro Sup, Campus Vétérinaire de Lyon, 69280 Marcy-l’Etoile, France;
| | - Ana Bento
- Department of Public and Ecosystem Health, College of Veterinary Medicine, Cornell University, Ithaca, NY 14850, USA;
| | - Gerardo Suzán
- Fauna Silvestre y Animales de Laboratorio, Departamento de Etología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México (UNAM), Ciudad de México 04510, Mexico; (F.P.L.); (M.P.Z.); (G.S.)
- International Joint Laboratory IRD/UNAM ELDORADO (Ecosystem, Biological Diversity, Habitat Modifications, and Risk of Emerging Pathogens and Diseases in Mexico), Merida 97205, Mexico
| | - David Roiz
- Maladies Infectieuses et Vecteurs: Ecologie, Génétique, Evolution et Contrôle (MIVEGEC), Institut de Recherche Pour le Développement (IRD), Centre National de la Recherche Scientifique (CNRS), Université de Montpellier, 34394 Montpellier, France; (A.R.); (D.R.); (B.R.)
- International Joint Laboratory IRD/UNAM ELDORADO (Ecosystem, Biological Diversity, Habitat Modifications, and Risk of Emerging Pathogens and Diseases in Mexico), Merida 97205, Mexico
| | - Benjamin Roche
- Maladies Infectieuses et Vecteurs: Ecologie, Génétique, Evolution et Contrôle (MIVEGEC), Institut de Recherche Pour le Développement (IRD), Centre National de la Recherche Scientifique (CNRS), Université de Montpellier, 34394 Montpellier, France; (A.R.); (D.R.); (B.R.)
- Fauna Silvestre y Animales de Laboratorio, Departamento de Etología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México (UNAM), Ciudad de México 04510, Mexico; (F.P.L.); (M.P.Z.); (G.S.)
- International Joint Laboratory IRD/UNAM ELDORADO (Ecosystem, Biological Diversity, Habitat Modifications, and Risk of Emerging Pathogens and Diseases in Mexico), Merida 97205, Mexico
| | - Audrey Arnal
- Maladies Infectieuses et Vecteurs: Ecologie, Génétique, Evolution et Contrôle (MIVEGEC), Institut de Recherche Pour le Développement (IRD), Centre National de la Recherche Scientifique (CNRS), Université de Montpellier, 34394 Montpellier, France; (A.R.); (D.R.); (B.R.)
- Fauna Silvestre y Animales de Laboratorio, Departamento de Etología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México (UNAM), Ciudad de México 04510, Mexico; (F.P.L.); (M.P.Z.); (G.S.)
- International Joint Laboratory IRD/UNAM ELDORADO (Ecosystem, Biological Diversity, Habitat Modifications, and Risk of Emerging Pathogens and Diseases in Mexico), Merida 97205, Mexico
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8
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Calvet GA, Kara EO, Bôtto-Menezes CHA, da Costa Castilho M, de Oliveira Franca RF, Habib N, Neto AM, Pereira GFM, Giozza SP, Bermúdez XPD, Fernandes TJ, Modjarrad K, Brasil P, Broutet NJN, de Filippis AMB. Detection and persistence of Zika virus in body fluids and associated factors: a prospective cohort study. Sci Rep 2023; 13:21557. [PMID: 38057382 PMCID: PMC10700488 DOI: 10.1038/s41598-023-48493-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Accepted: 11/27/2023] [Indexed: 12/08/2023] Open
Abstract
This study aimed to analyze the detection and duration of the Zika virus (ZIKV) in plasma, urine, saliva, sweat, rectal swabs, vaginal secretions, breast milk, and semen and to explore risk factors associated with prolonged viral persistence. A prospective cohort study of symptomatic patients and their household contacts was conducted in Brazil from July 2017 to June 2019. A total of 260 individuals (184 women and 76 men) with confirmed ZIKV infection were enrolled and followed up for 12 months. ZIKV RNA was present in all body fluid specimens and detectable for extended periods in urine, sweat, rectal swabs, and semen. The longest detection duration was found in semen, with high viral loads in the specimens. ZIKV RNA clearance was associated with several factors, including age, sex, education level, body mass index, non-purulent conjunctivitis, joint pain, and whether the participant had a history of yellow fever vaccination. The influence of each of these factors on the low or fast viral clearance varied according to the specific body fluid under investigation. Recurrent ZIKV detection events after total viral clearance were observed in the cohort. Our findings provide valuable insights into the persistence and potential recurrence of ZIKV infection, highlighting the need for continued monitoring and follow-up of individuals infected with ZIKV and for effective prevention measures to reduce the risk of transmission.
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Affiliation(s)
- Guilherme Amaral Calvet
- Acute Febrile Illnesses Laboratory, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil.
| | - Edna Oliveira Kara
- Department of Sexual and Reproductive Health and Research, World Health Organization, Geneva, Switzerland
| | - Camila Helena Aguiar Bôtto-Menezes
- Department of Malaria, Tropical Medicine Foundation Doctor Heitor Vieira Dourado (FMT-HVD), Manaus, Amazonas, Brazil
- School of Health Sciences, Amazonas State University (UEA), Manaus, Amazonas, Brazil
| | - Marcia da Costa Castilho
- Department of Malaria, Tropical Medicine Foundation Doctor Heitor Vieira Dourado (FMT-HVD), Manaus, Amazonas, Brazil
| | | | - Ndema Habib
- Department of Sexual and Reproductive Health and Research, World Health Organization, Geneva, Switzerland
| | - Armando Menezes Neto
- Department of Virology and Experimental Therapy, Institute Aggeu Magalhães, Oswaldo Cruz Foundation, Recife, Pernambuco, Brazil
| | - Gerson Fernando Mendes Pereira
- Department of HIV/AIDS, Tuberculosis, Viral Hepatitis and Sexually Transmitted Infections (DATHI), Ministry of Health, Brasília, Brazil
| | - Silvana Pereira Giozza
- Department of HIV/AIDS, Tuberculosis, Viral Hepatitis and Sexually Transmitted Infections (DATHI), Ministry of Health, Brasília, Brazil
| | | | - Tatiana Jorge Fernandes
- Acute Febrile Illnesses Laboratory, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Kayvon Modjarrad
- Emerging Infectious Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, MD, USA
| | - Patrícia Brasil
- Acute Febrile Illnesses Laboratory, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Ana Maria Bispo de Filippis
- Flavivirus Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil
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9
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Xu C, Wang A, Ebraham L, Sullivan L, Tasker C, Pizutelli V, Couret J, Hernandez C, Kolli P, Deb PQ, Fritzky L, Subbian S, Gao N, Lo Y, Salvatore M, Rivera A, Lemenze A, Fitzgerald-Bocarsly P, Tyagi S, Lu W, Beaulieu A, Chang TL. Interferon ɛ restricts Zika virus infection in the female reproductive tract. PNAS NEXUS 2023; 2:pgad350. [PMID: 37954158 PMCID: PMC10639110 DOI: 10.1093/pnasnexus/pgad350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 10/13/2023] [Indexed: 11/14/2023]
Abstract
Interferon ɛ (IFNɛ) is a unique type I IFN that has been implicated in host defense against sexually transmitted infections. Zika virus (ZIKV), an emerging pathogen, can infect the female reproductive tract (FRT) and cause devastating diseases, particularly in pregnant women. How IFNɛ contributes to protection against ZIKV infection in vivo is unknown. In this study, we show that IFNɛ plays a critical role in host protection against vaginal ZIKV infection in mice. We found that IFNɛ was expressed not only by epithelial cells in the FRT but also by immune and stromal cells at baseline or after exposure to viruses or specific Toll-like receptor (TLR) agonists. IFNɛ-deficient mice exhibited abnormalities in the epithelial border and underlying tissue in the cervicovaginal tract, and these defects were associated with increased susceptibility to vaginal but not subcutaneous ZIKV infection. IFNɛ deficiency resulted in an increase in magnitude, duration, and depth of ZIKV infection in the FRT. Critically, intravaginal administration of recombinant IFNɛ protected Ifnɛ-/- mice and highly susceptible Ifnar1-/- mice against vaginal ZIKV infection, indicating that IFNɛ was sufficient to provide protection even in the absence of signals from other type I IFNs and in an IFNAR1-independent manner. Our findings reveal a potentially critical role for IFNɛ in mediating protection against the transmission of ZIKV in the context of sexual contact.
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Affiliation(s)
- Chuan Xu
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Annie Wang
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Laith Ebraham
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Liam Sullivan
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Carley Tasker
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Vanessa Pizutelli
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Jennifer Couret
- Department of Microbiology, Biochemistry and Molecular Genetics, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Cyril Hernandez
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Priyanka Kolli
- Graduate School of Biological Sciences, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Pratik Q Deb
- Department of Pathology and Laboratory Medicine, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Luke Fritzky
- Department of Pathology and Laboratory Medicine, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Selvakumar Subbian
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Nan Gao
- Department of Cell Biology, Rutgers, School of Art and Science-Newark, Newark, NJ 07103, USA
| | - Yungtai Lo
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Mirella Salvatore
- Departmentof Medicine, Weill Cornell Medical College, New York, NY 10065, USA
| | - Amariliz Rivera
- Department of Microbiology, Biochemistry and Molecular Genetics, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Alexander Lemenze
- Department of Pathology and Laboratory Medicine, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | | | - Sanjay Tyagi
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Wuyuan Lu
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Science, and Shanghai Institute of Infectious Disease and Biosecurity, School of Public Health, Fudan University, Shanghai 200032, China
| | - Aimee Beaulieu
- Department of Microbiology, Biochemistry and Molecular Genetics, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Theresa L Chang
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
- Department of Microbiology, Biochemistry and Molecular Genetics, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
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10
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Ormundo LF, Barreto CT, Tsuruta LR. Development of Therapeutic Monoclonal Antibodies for Emerging Arbovirus Infections. Viruses 2023; 15:2177. [PMID: 38005854 PMCID: PMC10675117 DOI: 10.3390/v15112177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/18/2023] [Accepted: 10/26/2023] [Indexed: 11/26/2023] Open
Abstract
Antibody-based passive immunotherapy has been used effectively in the treatment and prophylaxis of infectious diseases. Outbreaks of emerging viral infections from arthropod-borne viruses (arboviruses) represent a global public health problem due to their rapid spread, urging measures and the treatment of infected individuals to combat them. Preparedness in advances in developing antivirals and relevant epidemiological studies protect us from damage and losses. Immunotherapy based on monoclonal antibodies (mAbs) has been shown to be very specific in combating infectious diseases and various other illnesses. Recent advances in mAb discovery techniques have allowed the development and approval of a wide number of therapeutic mAbs. This review focuses on the technological approaches available to select neutralizing mAbs for emerging arbovirus infections and the next-generation strategies to obtain highly effective and potent mAbs. The characteristics of mAbs developed as prophylactic and therapeutic antiviral agents for dengue, Zika, chikungunya, West Nile and tick-borne encephalitis virus are presented, as well as the protective effect demonstrated in animal model studies.
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Affiliation(s)
- Leonardo F. Ormundo
- Biopharmaceuticals Laboratory, Instituto Butantan, São Paulo 05503-900, Brazil; (L.F.O.); (C.T.B.)
- The Interunits Graduate Program in Biotechnology, University of São Paulo, São Paulo 05503-900, Brazil
| | - Carolina T. Barreto
- Biopharmaceuticals Laboratory, Instituto Butantan, São Paulo 05503-900, Brazil; (L.F.O.); (C.T.B.)
- The Interunits Graduate Program in Biotechnology, University of São Paulo, São Paulo 05503-900, Brazil
| | - Lilian R. Tsuruta
- Biopharmaceuticals Laboratory, Instituto Butantan, São Paulo 05503-900, Brazil; (L.F.O.); (C.T.B.)
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11
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Akinsulie OC, Adesola RO, Aliyu VA, Oladapo IP, Hamzat A. Epidemiology and Transmission Dynamics of Viral Encephalitides in West Africa. Infect Dis Rep 2023; 15:504-517. [PMID: 37736997 PMCID: PMC10514837 DOI: 10.3390/idr15050050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 08/30/2023] [Accepted: 09/01/2023] [Indexed: 09/23/2023] Open
Abstract
Encephalitis is an inflammation of the brain, often caused by an autoimmune reaction, or in most cases because of a direct viral, bacterial, or parasitic infection. Viral encephalitides (VE) presents a significant public health concern globally, especially in West Africa. There are more than five hundred known arthropod-borne viruses (arboviruses), with over a hundred of them identified to cause encephalitic diseases in humans and animals, giving rise to a tremendous burden of the diseases and socioeconomic strains in tropical and subtropical regions worldwide. Despite their importance, few effective preventive and control measures in the form of vaccines and therapies are available, and when they are, their use is limited. These limitations are largely hinged on the paucity of information about the molecular epidemiology and transmission patterns of VE in West Africa. Here, we reviewed the transmission dynamics, molecular epidemiology, and the ecological drivers of VE in West Africa. Collectively, timely and accurate interventions are essential for encephalitic viral disease control. Moreover, the integrated health system approach, combining surveillance, vaccination, vector control, and community engagement, could be effective in preventing viral encephalitis globally.
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Affiliation(s)
| | | | | | | | - Abdulafees Hamzat
- Faculty of Veterinary Medicine, University of Ibadan, Ibadan 200005, Nigeria
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12
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Xu C, Wang A, Ebraham L, Sullivan L, Tasker C, Pizutelli V, Couret J, Hernandez C, Deb PQ, Fritzky L, Subbian S, Gao N, Lo Y, Salvatore M, Rivera A, Lemenze A, Fitzgerald-Bocarsly P, Tyagi S, Lu W, Beaulieu A, Chang TL. Interferon ε restricts Zika virus infection in the female reproductive tract. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.06.535968. [PMID: 37066223 PMCID: PMC10104157 DOI: 10.1101/2023.04.06.535968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
Abstract
Interferon ε (IFNε) is a unique type I IFN that has been implicated in host defense against sexually transmitted infections (STIs). Zika virus (ZIKV), an emerging pathogen, can infect the female reproductive tract (FRT) and cause devastating diseases, particularly in pregnant women. How IFNε contributes to protection against ZIKV infection in vivo is unknown. Here, we show that IFNε plays a critical role in host protection against vaginal ZIKV infection in mice. We found that IFNε was expressed not only by epithelial cells in the FRT, but also by certain immune and other cells at baseline or after exposure to viruses or specific TLR agonists. IFNε-deficient mice exhibited abnormalities in the epithelial border and underlying tissue in the cervicovaginal tract, and these defects were associated with increased susceptibility to vaginal, but not subcutaneous ZIKV infection. IFNε-deficiency resulted in an increase in magnitude, duration, and depth of ZIKV infection in the FRT. Critically, intravaginal administration of recombinant IFNε protected Ifnε-/- mice and highly susceptible Ifnar1-/- mice against vaginal ZIKV infection, indicating that IFNε was sufficient to provide protection even in the absence of signals from other type I IFNs and in an IFNAR1-independent manner. Our findings reveal a potentially critical role for IFNε in mediating protection against transmission of ZIKV in the context of sexual contact.
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Affiliation(s)
- Chuan Xu
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Annie Wang
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Laith Ebraham
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Liam Sullivan
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Carley Tasker
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Vanessa Pizutelli
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Jennifer Couret
- Department of Microbiology, Biochemistry and Molecular Genetics, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Cyril Hernandez
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Pratik Q. Deb
- Department of Pathology and Laboratory Medicine, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Luke Fritzky
- Department of Pathology and Laboratory Medicine, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Selvakumar Subbian
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Nan Gao
- Department of Cell Biology, Rutgers, School of Art and Science-Newark, Newark, NJ 07103, USA
| | - Yungtai Lo
- Department of Epidemiology & Population Health, Albert Einstein College of Medicine, Bronx, NY10461
| | - Mirella Salvatore
- Department of Medicine, Weill Cornell Medical College, New York, NY, 10065
| | - Amariliz Rivera
- Department of Microbiology, Biochemistry and Molecular Genetics, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Alexander Lemenze
- Department of Pathology and Laboratory Medicine, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | | | - Sanjay Tyagi
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Wuyuan Lu
- Key Laboratory of Medical Molecular Virology (MOE/NHC/CAMS), School of Basic Medical Science, and Shanghai Institute of Infectious Disease and Biosecurity, School of Public Health, Fudan University, Shanghai 200032, China
| | - Aimee Beaulieu
- Department of Microbiology, Biochemistry and Molecular Genetics, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
| | - Theresa L. Chang
- Public Health Research Institute, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
- Department of Microbiology, Biochemistry and Molecular Genetics, Rutgers, New Jersey Medical School, Newark, NJ 07103, USA
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13
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Nazneen F, Thompson EA, Blackwell C, Bai JS, Huang F, Bai F. An effective live-attenuated Zika vaccine candidate with a modified 5' untranslated region. NPJ Vaccines 2023; 8:50. [PMID: 37005424 PMCID: PMC10066991 DOI: 10.1038/s41541-023-00650-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 03/17/2023] [Indexed: 04/04/2023] Open
Abstract
Zika virus (ZIKV) is a mosquito-transmitted flavivirus that has caused devastating congenital Zika syndrome (CZS), including microcephaly, congenital malformation, and fetal demise in human newborns in recent epidemics. ZIKV infection can also cause Guillain-Barré syndrome (GBS) and meningoencephalitis in adults. Despite intensive research in recent years, there are no approved vaccines or antiviral therapeutics against CZS and adult Zika diseases. In this report, we developed a novel live-attenuated ZIKV strain (named Z7) by inserting 50 RNA nucleotides (nt) into the 5' untranslated region (UTR) of a pre-epidemic ZIKV Cambodian strain, FSS13025. We used this particular ZIKV strain as it is attenuated in neurovirulence, immune antagonism, and mosquito infectivity compared with the American epidemic isolates. Our data demonstrate that Z7 replicates efficiently and produces high titers without causing apparent cytopathic effects (CPE) in Vero cells or losing the insert sequence, even after ten passages. Significantly, Z7 induces robust humoral and cellular immune responses that completely prevent viremia after a challenge with a high dose of an American epidemic ZIKV strain PRVABC59 infection in type I interferon (IFN) receptor A deficient (Ifnar1-/-) mice. Moreover, adoptive transfer of plasma collected from Z7 immunized mice protects Ifnar1-/- mice from ZIKV (strain PRVABC59) infection. These results suggest that modifying the ZIKV 5' UTR is a novel strategy to develop live-attenuated vaccine candidates for ZIKV and potentially for other flaviviruses.
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Affiliation(s)
- Farzana Nazneen
- Cell and Molecular Biology Program, Center for Molecular and Cellular Biosciences, The University of Southern Mississippi, Hattiesburg, MS, 39406, USA
| | - E Ashley Thompson
- Cell and Molecular Biology Program, Center for Molecular and Cellular Biosciences, The University of Southern Mississippi, Hattiesburg, MS, 39406, USA
| | - Claire Blackwell
- Cell and Molecular Biology Program, Center for Molecular and Cellular Biosciences, The University of Southern Mississippi, Hattiesburg, MS, 39406, USA
| | - Jonathan S Bai
- Department of Chemistry and Biochemistry, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Faqing Huang
- Chemistry and Biochemistry Program, Center for Molecular and Cellular Biosciences, The University of Southern Mississippi, Hattiesburg, MS, 39406, USA
| | - Fengwei Bai
- Cell and Molecular Biology Program, Center for Molecular and Cellular Biosciences, The University of Southern Mississippi, Hattiesburg, MS, 39406, USA.
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14
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Custer B, Grebe E, Buccheri R, Bakkour S, Stone M, Capuani L, Alencar C, Amorim L, Loureiro P, Carneiro-Proietti AB, Mendrone-Junior A, Gonçalez T, Gao K, Livezey KW, Linnen JM, Brambilla D, McClure C, Busch MP, Sabino EC. Surveillance for Zika, Chikungunya, and Dengue Virus Incidence and RNAemia in Blood Donors at 4 Brazilian Blood Centers During 2016-2019. J Infect Dis 2023; 227:696-707. [PMID: 35687888 PMCID: PMC10152499 DOI: 10.1093/infdis/jiac173] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 04/12/2022] [Accepted: 05/03/2022] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Except for public health case reports, the incidence of Zika virus (ZIKV), chikungunya virus (CHIKV), and dengue virus (DENV) infection are not available to assess the potential blood transfusion safety threat in Brazil. METHODS Pools of 6 donation samples (MP6) left over from human immunodeficiency virus, hepatitis B virus, and hepatitis C virus nucleic acid testing were combined to create MP18 pools (3 MP6 pools). Samples were tested using the Grifols triplex ZIKV, CHIKV, and DENV real-time transcription mediated amplification assay to estimate prevalence of RNAemia and incidence, and to compare these results to case reports in São Paulo, Belo Horizonte, Recife, and Rio de Janeiro, from April 2016 through June 2019. RESULTS ZIKV, CHIKV, and DENV RNAemia were found from donors who donated without overt symptoms of infection that would have led to deferral. The highest RNAemic donation prevalence was 1.2% (95% CI, .8%-1.9%) for DENV in Belo Horizonte in May 2019. Arbovirus infections varied by location and time of year, and were not always aligned with annual arbovirus outbreak seasons in different regions of the country. CONCLUSIONS Testing donations for arboviruses in Brazil can contribute to public health. Transfusion recipients were likely exposed to ZIKV, CHIKV, and DENV viremic blood components during the study period.
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Affiliation(s)
- Brian Custer
- Vitalant Research Institute, San Francisco, California, USA.,Department of Laboratory Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Eduard Grebe
- Vitalant Research Institute, San Francisco, California, USA.,Department of Laboratory Medicine, University of California, San Francisco, San Francisco, California, USA.,Department of Science and Innovation, National Research Foundation Centre of Excellence in Epidemiological Modelling and Analysis, Stellenbosch University, Stellenbosch, South Africa
| | | | - Sonia Bakkour
- Vitalant Research Institute, San Francisco, California, USA.,Department of Laboratory Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Mars Stone
- Vitalant Research Institute, San Francisco, California, USA.,Department of Laboratory Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Ligia Capuani
- Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Cecilia Alencar
- Hospital das Clinicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | | | - Paula Loureiro
- Fundação Hemope, Recife, Brazil.,Faculdade de Medicina da Universidade de Pernambuco, Recife, Brazil
| | | | | | | | - Kui Gao
- Grifols Diagnostics Solutions, San Diego, California, USA
| | | | | | - Don Brambilla
- Research Triangle Institute International, Rockville, Maryland, USA
| | - Chris McClure
- Research Triangle Institute International, Rockville, Maryland, USA
| | - Michael P Busch
- Vitalant Research Institute, San Francisco, California, USA.,Department of Laboratory Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Ester C Sabino
- Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
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15
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Wang HW, Li HH, Wu SC, Tang CK, Yu HY, Chang YC, Sung PS, Liu WL, Su MP, Yu GY, Huang LR, Chen CH, Hsieh SL. CLEC5A mediates Zika virus-induced testicular damage. J Biomed Sci 2023; 30:12. [PMID: 36803804 PMCID: PMC9936774 DOI: 10.1186/s12929-023-00906-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 02/07/2023] [Indexed: 02/19/2023] Open
Abstract
BACKGROUND Zika virus (ZIKV) infection is clinically known to induce testicular swelling, termed orchitis, and potentially impact male sterility, but the underlying mechanisms remain unclear. Previous reports suggested that C-type lectins play important roles in mediating virus-induced inflammatory reactions and pathogenesis. We thus investigated whether C-type lectins modulate ZIKV-induced testicular damage. METHODS C-type lectin domain family 5 member A (CLEC5A) knockout mice were generated in a STAT1-deficient immunocompromised background (denoted clec5a-/-stat1-/-) to enable testing of the role played by CLEC5A after ZIKV infection in a mosquito-to-mouse disease model. Following ZIKV infection, mice were subjected to an array of analyses to evaluate testicular damage, including ZIKV infectivity and neutrophil infiltration estimation via quantitative RT-PCR or histology and immunohistochemistry, inflammatory cytokine and testosterone detection, and spermatozoon counting. Furthermore, DNAX-activating proteins for 12 kDa (DAP12) knockout mice (dap12-/-stat1-/-) were generated and used to evaluate ZIKV infectivity, inflammation, and spermatozoa function in order to investigate the potential mechanisms engaged by CLEC5A. RESULTS Compared to experiments conducted in ZIKV-infected stat1-/- mice, infected clec5a-/-stat1-/- mice showed reductions in testicular ZIKV titer, local inflammation and apoptosis in testis and epididymis, neutrophil invasion, and sperm count and motility. CLEC5A, a myeloid pattern recognition receptor, therefore appears involved in the pathogenesis of ZIKV-induced orchitis and oligospermia. Furthermore, DAP12 expression was found to be decreased in the testis and epididymis tissues of clec5a-/-stat1-/- mice. As for CLEC5A deficient mice, ZIKV-infected DAP12-deficient mice also showed reductions in testicular ZIKV titer and local inflammation, as well as improved spermatozoa function, as compared to controls. CLEC5A-associated DAP12 signaling appears to in part regulate ZIKV-induced testicular damage. CONCLUSIONS Our analyses reveal a critical role for CLEC5A in ZIKV-induced proinflammatory responses, as CLEC5A enables leukocytes to infiltrate past the blood-testis barrier and induce testicular and epididymal tissue damage. CLEC5A is thus a potential therapeutic target for the prevention of injuries to male reproductive organs in ZIKV patients.
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Affiliation(s)
- Hsin-Wei Wang
- grid.59784.370000000406229172National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Zhunan, 350401 Taiwan ,grid.59784.370000000406229172National Mosquito-Borne Diseases Control Research Center, National Health Research Institutes, Zhunan, 350401 Taiwan
| | - Hsing-Han Li
- grid.59784.370000000406229172National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Zhunan, 350401 Taiwan ,grid.59784.370000000406229172National Mosquito-Borne Diseases Control Research Center, National Health Research Institutes, Zhunan, 350401 Taiwan ,grid.266100.30000 0001 2107 4242Division of Biological Sciences, Section of Cell and Developmental Biology, University of California, San Diego, La Jolla, CA 92093 USA
| | - Shih-Cheng Wu
- grid.59784.370000000406229172National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Zhunan, 350401 Taiwan ,grid.19188.390000 0004 0546 0241Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, 10048 Taiwan ,grid.412094.a0000 0004 0572 7815Department of Laboratory Medicine, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, 10021 Taiwan
| | - Cheng-Kang Tang
- grid.59784.370000000406229172National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Zhunan, 350401 Taiwan ,grid.260542.70000 0004 0532 3749Program of Plant Protection and Health, Academy of Circular Economy, National Chung Hsing University, Taichung, 402202 Taiwan
| | - Hui-Ying Yu
- grid.59784.370000000406229172National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Zhunan, 350401 Taiwan ,grid.19188.390000 0004 0546 0241Institute of Molecular and Cellular Biology, National Taiwan University, Taipei, 10617 Taiwan
| | - Ya-Chen Chang
- grid.59784.370000000406229172National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Zhunan, 350401 Taiwan
| | - Pei-Shan Sung
- grid.28665.3f0000 0001 2287 1366Genomics Research Center, Academia Sinica, Taipei, 11529 Taiwan
| | - Wei-Liang Liu
- grid.59784.370000000406229172National Mosquito-Borne Diseases Control Research Center, National Health Research Institutes, Zhunan, 350401 Taiwan
| | - Matthew P. Su
- grid.27476.300000 0001 0943 978XDepartment of Biological Science, Nagoya University, Nagoya, 464-8602 Japan ,grid.27476.300000 0001 0943 978XInstitute for Advanced Research, Nagoya University, Nagoya, 464-8601 Japan
| | - Guann-Yi Yu
- grid.59784.370000000406229172National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Zhunan, 350401 Taiwan
| | - Li-Rung Huang
- grid.59784.370000000406229172Institute of Molecular and Genomic Medicine, National Health Research Institutes, Zhunan, 350401 Taiwan
| | - Chun-Hong Chen
- grid.59784.370000000406229172National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Zhunan, 350401 Taiwan ,grid.59784.370000000406229172National Mosquito-Borne Diseases Control Research Center, National Health Research Institutes, Zhunan, 350401 Taiwan
| | - Shie-Liang Hsieh
- Genomics Research Center, Academia Sinica, Taipei, 11529, Taiwan. .,Immunology Research Center, National Health Research Institutes, Zhunan, Miaoli, 35053, Taiwan. .,Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, 11221, Taiwan. .,Department of Medical Research and Education, Taipei Veterans General Hospital, Taipei, 11217, Taiwan. .,Institute of Immunology, College of Medicine, National Taiwan University, Taipei, 10617, Taiwan.
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16
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Eder J, Zijlstra-Willems E, Koen G, Kootstra NA, Wolthers KC, Geijtenbeek TB. Transmission of Zika virus by dendritic cell subsets in skin and vaginal mucosa. Front Immunol 2023; 14:1125565. [PMID: 36949942 PMCID: PMC10025456 DOI: 10.3389/fimmu.2023.1125565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 02/23/2023] [Indexed: 03/08/2023] Open
Abstract
Zika virus is a member of the Flaviviridae family that has caused recent outbreaks associated with neurological malformations. Transmission of Zika virus occurs primarily via mosquito bite but also via sexual contact. Dendritic cells (DCs) and Langerhans cells (LCs) are important antigen presenting cells in skin and vaginal mucosa and paramount to induce antiviral immunity. To date, little is known about the first cells targeted by Zika virus in these tissues as well as subsequent dissemination of the virus to other target cells. We therefore investigated the role of DCs and LCs in Zika virus infection. Human monocyte derived DCs (moDCs) were isolated from blood and primary immature LCs were obtained from human skin and vaginal explants. Zika virus exposure to moDCs but not skin and vaginal LCs induced Type I Interferon responses. Zika virus efficiently infected moDCs but neither epidermal nor vaginal LCs became infected. Infection of a human full skin model showed that DC-SIGN expressing dermal DCs are preferentially infected over langerin+ LCs. Notably, not only moDCs but also skin and vaginal LCs efficiently transmitted Zika virus to target cells. Transmission by LCs was independent of direct infection of LCs. These data suggest that DCs and LCs are among the first target cells for Zika virus not only in the skin but also the genital tract. The role of vaginal LCs in dissemination of Zika virus from the vaginal mucosa further emphasizes the threat of sexual transmission and supports the investigation of prophylaxes that go beyond mosquito control.
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Affiliation(s)
- Julia Eder
- Department of Experimental Immunology, Amsterdam UMC location University of Amsterdam, Amsterdam, Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Esther Zijlstra-Willems
- Department of Experimental Immunology, Amsterdam UMC location University of Amsterdam, Amsterdam, Netherlands
| | - Gerrit Koen
- Department of Medical Microbiology and Infection Prevention, Amsterdam UMC location University of Amsterdam, Amsterdam, Netherlands
| | - Neeltje A. Kootstra
- Department of Experimental Immunology, Amsterdam UMC location University of Amsterdam, Amsterdam, Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Katja C. Wolthers
- Department of Medical Microbiology and Infection Prevention, Amsterdam UMC location University of Amsterdam, Amsterdam, Netherlands
| | - Teunis B. Geijtenbeek
- Department of Experimental Immunology, Amsterdam UMC location University of Amsterdam, Amsterdam, Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
- *Correspondence: Teunis B. Geijtenbeek,
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17
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Eshun-Wilson I, Ford N, Le Tourneau N, Baral S, Schwartz S, Kemp C, Geng E. A Living Database of HIV Implementation Research (LIVE Project): Protocol for Rapid Living Reviews. JMIR Res Protoc 2022; 11:e37070. [PMID: 36197704 PMCID: PMC9582919 DOI: 10.2196/37070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 07/25/2022] [Accepted: 08/04/2022] [Indexed: 11/13/2022] Open
Abstract
Background HIV implementation research evolves rapidly and is often complex and poorly characterized, which makes the synthesis of data on HIV implementation strategies inherently difficult. This is further compromised by prolonged data abstraction processes due to variable interventions, outcomes, and context, and delays in the publication of review findings; this can all result in outdated and irrelevant systematic reviews. Objective The LIVE project (A Living Database of HIV Implementation Research) aims to overcome these challenges by applying an implementation science lens to the conduct of rapid living systematic reviews and meta-analyses to inform HIV service delivery priorities and guideline development. Methods The LIVE project will generate a series of living systematic reviews exploring implementation strategies for improving HIV cascade outcomes (HIV infection, HIV diagnosis, linkage and retention in HIV care, viral suppression, and mortality). We will search Embase and MEDLINE as well databases specific to review questions for studies conducted after 2004 using predefined search terms to identify studies conducted in any age group or setting, and using implementation strategies that target policy makers, society, health organizations, health workers, and beneficiaries of care and their families. Both randomized controlled trials and observational studies will be included to ensure reviews include pragmatic data. In addition to assessments of methodological quality, features of the implementation strategies, relevance for implementation, and evidence quality will be determined using recognized frameworks. After initial publication, knowledge gaps will be identified, and review questions and search strategies revised to address ongoing critical areas of inquiry. Updated searches will be conducted every 6 months, with subsequent ongoing screening, data abstraction, and revision of meta-analyses. Results As of July 2022, five reviews are at various stages of development within the LIVE project. Three systematic reviews are underway and living review processes are in development for two reviews with estimated completion over the next 12 months. Conclusions This project and resulting systematic reviews will provide critical insights for HIV service delivery to inform international guideline development. International Registered Report Identifier (IRRID) DERR1-10.2196/37070
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Affiliation(s)
- Ingrid Eshun-Wilson
- Division of Infectious Diseases, School of Medicine, Washington University in St. Louis, St. Louis, MO, United States
| | - Nathan Ford
- Department of Global HIV, Hepatitis and Sexually Transmitted Infections Programmes, World Health Organization, Geneva, Switzerland
| | - Noelle Le Tourneau
- Division of Infectious Diseases, School of Medicine, Washington University in St. Louis, St. Louis, MO, United States
| | - Stefan Baral
- Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, United States
| | - Sheree Schwartz
- Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, United States
| | - Christopher Kemp
- Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, United States
| | - Elvin Geng
- Division of Infectious Diseases, School of Medicine, Washington University in St. Louis, St. Louis, MO, United States
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18
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Evidence of Spreading Zika Virus Infection Caused by Males of Different Species. Viruses 2022; 14:v14092047. [PMID: 36146853 PMCID: PMC9506123 DOI: 10.3390/v14092047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/11/2022] [Accepted: 09/12/2022] [Indexed: 11/17/2022] Open
Abstract
Zika virus (ZIKV) is a positive-sense single-stranded RNA flavivirus and is mainly transmitted by Aedes mosquitoes. This arbovirus has had a significant impact on health in recent years by causing malformations, such as microcephaly in babies and Guillain–Barré syndrome in adults. Some evidence indicates that ZIKV can be sexually transmitted and may persist in the male reproductive tract for an extended period in humans. Knockout and vasectomized mice have been used as models to reveal ZIKV infection in the male reproductive tract as a virus source. ZIKV presence in male and female mosquito reproductive tracts and eggs point to venereal and vertical/transovarian transmission, again demonstrating that the reproductive tract can be involved in the spread of ZIKV. Moreover, eggs protected by eggshells have the potential to be a ZIKV reservoir. Given the +-lack of vaccines and therapies for Zika fever and the underestimated prevalence rate, an understanding of ZIKV infection and its spread from the reproductive tract, which is protected from the immune system and potentially active for virus transmission, is imperative. We must also develop cheaper, more efficient techniques for virological surveillance inside vectors and humans, control vectors with ecofriendly insecticides, and promote condom use to avoid ZIKV contamination during sexual intercourse, as recommended by the World Health Organization.
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19
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Vogt MB, McDonald EM, Delorey M, Mead PS, Hook SA, Hinckley AF, Werre SR, Brault AC, Duggal NK. Prolonged shedding of Zika virus in human semen is associated with male reproductive tract inflammation. J Infect Dis 2022; 226:1140-1150. [PMID: 35924442 DOI: 10.1093/infdis/jiac329] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Accepted: 08/01/2022] [Indexed: 11/13/2022] Open
Abstract
Zika virus (ZIKV) is a mosquito-borne flavivirus that causes congenital defects. Sexual transmission of ZIKV was confirmed in a recent epidemic; however, mechanisms behind ZIKV infection and persistence in the male reproductive tract are unknown. Previously, we found that ∼33% of men with symptomatic ZIKV infections shed ZIKV RNA in semen, and some men shed ZIKV RNA for >3 months. Here, we evaluated the semen of 49 ZIKV-infected men to identify immune factors correlating with long-term ZIKV shedding in semen and ZIKV-infected cell types in semen. We found prolonged ZIKV RNA shedding in semen was associated with male reproductive tract inflammation, indicated by higher leukocyte counts and inflammatory cytokine concentrations in semen of long-term versus short-term shedders. Additionally, we found ZIKV RNA in seminal leukocytes and epithelial cells. This study of human semen from ZIKV-infected men provides critical insights into impacts of ZIKV on male reproductive tract health.
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Affiliation(s)
- Megan B Vogt
- Department of Biomedical Sciences and Pathobiology Virginia-Maryland College of Veterinary Medicine Virginia Polytechnic Institute and State University Blacksburg Virginia 24061 United States of America
| | - Erin M McDonald
- Centers for Disease Control and Prevention (CDC), National Center for Emerging and Zoonotic Infectious Diseases, Fort Collins, Colorado 80521, United States of America
| | - Mark Delorey
- Centers for Disease Control and Prevention (CDC), National Center for Emerging and Zoonotic Infectious Diseases, Fort Collins, Colorado 80521, United States of America
| | - Paul S Mead
- Centers for Disease Control and Prevention (CDC), National Center for Emerging and Zoonotic Infectious Diseases, Fort Collins, Colorado 80521, United States of America
| | - Sarah A Hook
- Centers for Disease Control and Prevention (CDC), National Center for Emerging and Zoonotic Infectious Diseases, Fort Collins, Colorado 80521, United States of America
| | - Alison F Hinckley
- Centers for Disease Control and Prevention (CDC), National Center for Emerging and Zoonotic Infectious Diseases, Fort Collins, Colorado 80521, United States of America
| | - Stephen R Werre
- Department of Population Health Sciences, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, United States of America
| | - Aaron C Brault
- Centers for Disease Control and Prevention (CDC), National Center for Emerging and Zoonotic Infectious Diseases, Fort Collins, Colorado 80521, United States of America
| | - Nisha K Duggal
- Department of Biomedical Sciences and Pathobiology Virginia-Maryland College of Veterinary Medicine Virginia Polytechnic Institute and State University Blacksburg Virginia 24061 United States of America
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20
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Haddow AD. Why does Zika virus persist in the semen of some men but not others? J Infect Dis 2022; 226:1125-1126. [PMID: 35924449 DOI: 10.1093/infdis/jiac330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 08/02/2022] [Indexed: 11/14/2022] Open
Affiliation(s)
- Andrew D Haddow
- Department of Molecular and Cellular Biology, Kennesaw State University, 370 Paulding Ave NW, MD1201, Kennesaw, GA, USA, 30144
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21
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Bechmann N, Maccio U, Kotb R, Dweik RA, Cherfane M, Moch H, Bornstein SR, Varga Z. COVID-19 Infections in Gonads: Consequences on Fertility? Horm Metab Res 2022; 54:549-555. [PMID: 35853464 PMCID: PMC9363149 DOI: 10.1055/a-1891-6621] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 05/12/2022] [Indexed: 01/01/2023]
Abstract
COVID-19 may influence human fertility and sexuality in several ways. Different cell types in gonads show a constitutive expression of angiotensin-converting enzyme 2 (ACE2) and transmembrane protease serine subtype 2 (TMPRSS2), which provide potential entry pathways for SARS-CoV-2. In addition to the biological effects of a COVID-19 infection on the gonads, the impact of the ongoing COVID-19 pandemic on mental health issues and sexual behavior may affect reproduction. This review summarizes the current knowledge on the influence of COVID-19 on the gonads and discusses possible consequences on human fertility. In this context, the close interaction between the hypothalamic-pituitary-adrenal axis and the hypothalamic-pituitary-gonadal axis in response to COVID-19-related stress is discussed. Some women noticed changes in their menstrual cycle during the COVID-19 pandemic, which could be due to psychological stress, for example. In addition, occasional cases of reduced oocyte quality and ovarian function are described after COVID-19 infection. In men, COVID-19 may cause a short-term decrease in fertility by damaging testicular tissue and/or impairing spermatogenesis. Moreover, decreased ratio testosterone/LH and FSH/LH in COVID-19 compared to aged-matched healthy men has been reported. Available data do not suggest any effect of the available SARS-CoV-2 vaccines on fertility. The effects of long COVID on human fertility have been reported and include cases with premature ovarian failure and oligomenorrhoea in women and erectile dysfunction in men. Despite the increasing knowledge about the effects of COVID-19 infections on human gonads and fertility, the long-term consequences of the COVID-19 pandemic cannot yet be assessed in this context.
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Affiliation(s)
- Nicole Bechmann
- Institute of Clinical Chemistry and Laboratory Medicine, University
Hospital Carl Gustav Carus Dresden, Technische Universität Dresden,
Dresden, Germany
| | - Umberto Maccio
- Department of Pathology and Molecular Pathology, University Hospital
Zurich, Zurich, Switzerland
| | - Reham Kotb
- Department of Environmental and Public Health, College of Health
Science, Abu Dhabi University, Abu Dhabi, United Arab Emirates
| | - Rania Al Dweik
- Department of Environmental and Public Health, College of Health
Science, Abu Dhabi University, Abu Dhabi, United Arab Emirates
| | - Michele Cherfane
- Department of Environmental and Public Health, College of Health
Science, Abu Dhabi University, Abu Dhabi, United Arab Emirates
| | - Holger Moch
- Department of Pathology and Molecular Pathology, University Hospital
Zurich, Zurich, Switzerland
| | - Stefan R. Bornstein
- Department of Medicine III, University Hospital Carl Gustav Carus,
Medical Faculty Carl Gustav Carus, Technische Universität Dresden,
Dresden, Germany
- Department of Diabetes, School of Life Course Science and Medicine,
King's College London, London, UK
| | - Zsuzsanna Varga
- Department of Pathology and Molecular Pathology, University Hospital
Zurich, Zurich, Switzerland
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22
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Mungin JW, Chen X, Liu B. Interferon Epsilon Signaling Confers Attenuated Zika Replication in Human Vaginal Epithelial Cells. Pathogens 2022; 11:853. [PMID: 36014974 PMCID: PMC9415962 DOI: 10.3390/pathogens11080853] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 07/18/2022] [Accepted: 07/27/2022] [Indexed: 02/07/2023] Open
Abstract
Zika virus (ZIKV) is an emerging flavivirus that causes congenital birth defects and neurological compilations in the human host. Although ZIKV is primarily transmitted through infected mosquitos, recent studies reveal sexual contact as a potential transmission route. In vagina-bearing individuals, the vaginal epithelium constitutes the first line of defense against viruses. However, it is unclear how ZIKV interacts with the vaginal epithelium to initiate ZIKV transmission. In this study, we demonstrate that exposing ZIKV to human vaginal epithelial cells (hVECs) resulted in de novo viral RNA replication, increased envelope viral protein production, and a steady, extracellular release of infectious viral particles. Interestingly, our data show that, despite an increase in viral load, the hVECs did not exhibit significant cytopathology in culture as other cell types typically do. Furthermore, our data reveal that the innate antiviral state of hVECs plays a crucial role in preventing viral cytopathology. For the first time, our data show that interferon epsilon inhibits ZIKV replication. Collectively, our results in this study provide a novel perspective on the viral susceptibility and replication dynamics during ZIKV infection in the human vaginal epithelium. These findings will be instrumental towards developing therapeutic agents aimed at eliminating the pathology caused by the virus.
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Affiliation(s)
| | | | - Bindong Liu
- Centers for AIDS Health Disparity Research, Department of Microbiology, Immunology, and Physiology, Meharry Medical College, Nashville, TN 37208, USA; (J.W.M.J.); (X.C.)
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23
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Watts JL, Ralston A. The fetal lineage is susceptible to Zika virus infection within days of fertilization. Development 2022; 149:276104. [PMID: 35900100 PMCID: PMC9382896 DOI: 10.1242/dev.200501] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 06/09/2022] [Indexed: 11/20/2022]
Abstract
Adults contracting Zika virus (ZIKV) typically exhibit mild symptoms, yet ZIKV infection of pregnant individuals can cause miscarriage or birth defects in their offspring. Many studies have focused on maternal-to-fetal ZIKV transmission via blood and placenta. Notably, however, ZIKV is also transmitted sexually, raising the possibility that ZIKV could infect the embryo shortly after fertilization, long before the placenta is established. Here, we evaluate the consequences of ZIKV infection in mouse embryos during the first few days of embryogenesis. We show that divergent strains of ZIKV can infect the fetal lineage and can cause developmental arrest, raising concern for the developmental consequences of sexual ZIKV transmission. This article has an associated ‘The people behind the papers’ interview. Summary: Mouse preimplantation embryos are vulnerable to Zika virus-induced lethality even in the presence of the zona pellucida, highlighting a potential risk of sexually transmitted infection in early pregnancy.
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Affiliation(s)
- Jennifer L. Watts
- Molecular, Cellular and Integrative Physiology Graduate Program, Michigan State University 1 , East Lansing , MI 48824 , USA
- Michigan State University 2 Reproductive and Developmental Biology Training Program , , East Lansing , MI 48824 , USA
- Michigan State University 3 Department of Biochemistry and Molecular Biology , , East Lansing , MI 48824 , USA
| | - Amy Ralston
- Michigan State University 2 Reproductive and Developmental Biology Training Program , , East Lansing , MI 48824 , USA
- Michigan State University 3 Department of Biochemistry and Molecular Biology , , East Lansing , MI 48824 , USA
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24
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Balint E, Somani AA, Giles EC, Feng E, Vahedi F, Ashkar AA. Vaginal transmission causes prolonged Zika virus shedding in the vaginal mucosa and delays systemic dissemination. Immunol Cell Biol 2022; 100:468-473. [DOI: 10.1111/imcb.12549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 02/27/2022] [Accepted: 03/29/2022] [Indexed: 11/26/2022]
Affiliation(s)
- Elizabeth Balint
- Department of Medicine McMaster Immunology Research Centre McMaster University Hamilton ON Canada
| | - Armaan Amin Somani
- Department of Medicine McMaster Immunology Research Centre McMaster University Hamilton ON Canada
| | - Elizabeth C Giles
- Department of Medicine McMaster Immunology Research Centre McMaster University Hamilton ON Canada
| | - Emily Feng
- Department of Medicine McMaster Immunology Research Centre McMaster University Hamilton ON Canada
| | - Fatemeh Vahedi
- Department of Medicine McMaster Immunology Research Centre McMaster University Hamilton ON Canada
| | - Ali A Ashkar
- Department of Medicine McMaster Immunology Research Centre McMaster University Hamilton ON Canada
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25
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Tale of Viruses in Male Infertility. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1358:275-323. [PMID: 35641875 DOI: 10.1007/978-3-030-89340-8_13] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Male infertility is a condition where the males either become sterile or critically infertile. The World Health Organisation assessed that approximately 9% of the couple have fertility issues where the contribution of the male partner was estimated to be 50%. There are several factors that can amalgamate to give rise to male infertility. Among them are lifestyle factors, genetic factors and as well as several environmental factors. The causes of male infertility may be acquired, congenital or sometimes idiopathic. All these factors adversely affect the spermatogenesis process as well as they impart serious threats to male genital organs thus resulting in infertility. Viruses are submicroscopic pathogenic agents that rely on host for their replication and survival. They enter the host cell, hijack the host cell machinery to aid their own replication and exit the cell for a new round of infection. With the growing abundance of different types of viruses and the havoc they have stirred in the form of pandemics, it is very essential to decipher their route of entry inside the human body and understand their diverse functional roles in order to combat them. In this chapter, we will review how viruses invade the male genital system thus in turn leading to detrimental consequence on male fertility. We will discuss the tropism of various viruses in the male genital organs and explore their sexual transmissibility. This chapter will summarise the functional and mechanistic approaches employed by the viruses in inducing oxidative stress inside spermatozoa thus leading to male infertility. Moreover, we will also highlight the various antiviral therapies that have been studied so far in order to ameliorate viral infection in order to combat the harmful consequences leading to male infertility.
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26
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Huang Y, Chu X, Zhang Y, Yang S, Shi Y, Wu J, Qiusheng C. Duck Tembusu virus infection causes testicular atrophy. Theriogenology 2022; 188:52-62. [DOI: 10.1016/j.theriogenology.2022.05.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 04/29/2022] [Accepted: 05/18/2022] [Indexed: 10/18/2022]
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27
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Martins EB, Silva MFB, Tassinari WS, de Bruycker-Nogueira F, Moraes ICV, Rodrigues CDS, Santos CC, Sampaio SA, Pina-Costa A, Fabri AA, Guerra-Campos V, Santos NA, Faria NRC, Filippis AMB, Brasil P, Calvet GA. Detection of Chikungunya virus in bodily fluids: The INOVACHIK cohort study. PLoS Negl Trop Dis 2022; 16:e0010242. [PMID: 35255099 PMCID: PMC8929700 DOI: 10.1371/journal.pntd.0010242] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 03/17/2022] [Accepted: 02/09/2022] [Indexed: 11/18/2022] Open
Abstract
Background Chikungunya is a widely distributed, re-emerging tropical disease caused by the chikungunya virus (CHIKV). Little is known about the duration for which CHIK RNA are detectable in bodily fluids, especially genital secretions, and current evidence is based on small series or case reports. An understanding of viral dynamics across different body compartments can inform diagnostic testing algorithms and public health prevention interventions. Methodology A prospective cohort study was conducted to assess the presence and duration of detectable levels of CHIKV RNA in blood, urine, saliva, semen, and vaginal secretions. Men and women (≥ 18 years) with a positive reverse transcriptase-polymerase chain reaction (RT-PCR) test for CHIKV in the acute phase (1–14 days) of the disease were included. After enrollment, clinical data and samples were collected every 15 days over the first 2 months, and a final collection was performed 3 months after recruitment. The Kaplan–Meier interval-censoring method and the parametric Weibull model were fitted to estimate the median time of viral persistence until the lack of CHIKV RNA detection among all body fluids. Punctual estimates of the median time of CHIKV RNA persistence for each fluid were estimated using a 95% confidence interval (CI). Results From April to December 2019, 170 participants were screened. Of these, 152 (100 women) were enrolled in the study. The median and interquartile range (IQR) ages for men and women were 39.3 (IQR: 26.9, 50.7) and 43.5 (IQR: 33.8, 53.6) years, respectively. CHIKV RNA was detected in 80.3% (122/152) of serum samples, 23.0% (35/152) of urine samples, 30.3% (46/152) of saliva samples, 14.3% (6/42) of semen samples, and 20.2% (20/99) of vaginal secretion samples. The median time until the loss of CHIKV RNA detection was 19.6 days (95% CI, 17.5–21.7) in serum, 25.3 days (95% CI, 17.8–32.8) in urine, 23.1 days (95% CI, 17.9–28.4) in saliva, and 25.8 days (95% CI, 20.6–31.1) in vaginal secretion. The number of semen samples available was too small to make statistical estimates, but a last positive sample was obtained from a participant 56 days after the onset of symptoms. Conclusions CHIKV RNA could be detected in all bodily fluids studied, including genital secretions during the acute and convalescent phases and additional studies on viral infectivity in semen and vaginal secretions are warranted. This prospective cohort study of adult patients aimed to estimate the presence and duration of detectable levels of chikungunya virus RNA in bodily fluids, including genital secretions, among participants in the acute and convalescent phases of the disease. In addition to the fluids usually used for diagnosis in humans (serum and plasma), we reported the detection of chikungunya virus RNA in all body fluids. Reports have shown that chikungunya virus RNA in serum declines to undetectable levels within 1–2 weeks after symptom onset. The viral persistence in the serum in our study was longer than expected. In addition, we showed that saliva and urine contained detectable viral RNA in both the acute and convalescent phases of the disease. To the best of our knowledge, this is the first cohort study assessing the presence and persistence of CHIKV in genital fluids (vaginal secretions and semen). Knowledge of viral persistence can help inform recommendations for the control, treatment, and prevention of the disease. Additional studies on viral infectivity are warranted.
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Affiliation(s)
- Ezequias B. Martins
- Acute Febrile Illnesses Laboratory, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil
- * E-mail:
| | - Michele F. B. Silva
- Acute Febrile Illnesses Laboratory, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Wagner S. Tassinari
- Mathematics Department, Exact Sciences Institute, Federal Rural University of Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Isabella C. V. Moraes
- Acute Febrile Illnesses Laboratory, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Cintia D. S. Rodrigues
- Flavivirus Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Carolina C. Santos
- Flavivirus Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Simone A. Sampaio
- Flavivirus Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Anielle Pina-Costa
- Acute Febrile Illnesses Laboratory, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Allison A. Fabri
- Flavivirus Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Vinícius Guerra-Campos
- Flavivirus Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Nayara A. Santos
- Acute Febrile Illnesses Laboratory, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Nieli R. C. Faria
- Flavivirus Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ana Maria B. Filippis
- Flavivirus Laboratory, Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Patrícia Brasil
- Acute Febrile Illnesses Laboratory, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil
| | - Guilherme A. Calvet
- Acute Febrile Illnesses Laboratory, Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation, Rio de Janeiro, Rio de Janeiro, Brazil
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28
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Zhang D, Yang Y, Li M, Lu Y, Liu Y, Jiang J, Liu R, Liu J, Huang X, Li G, Qu J. Ecological Barrier Deterioration Driven by Human Activities Poses Fatal Threats to Public Health due to Emerging Infectious Diseases. ENGINEERING (BEIJING, CHINA) 2022; 10:155-166. [PMID: 33903827 PMCID: PMC8060651 DOI: 10.1016/j.eng.2020.11.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/26/2020] [Accepted: 11/10/2020] [Indexed: 05/24/2023]
Abstract
The coronavirus disease 2019 (COVID-19) and concerns about several other pandemics in the 21st century have attracted extensive global attention. These emerging infectious diseases threaten global public health and raise urgent studies on unraveling the underlying mechanisms of their transmission from animals to humans. Although numerous works have intensively discussed the cross-species and endemic barriers to the occurrence and spread of emerging infectious diseases, both types of barriers play synergistic roles in wildlife habitats. Thus far, there is still a lack of a complete understanding of viral diffusion, migration, and transmission in ecosystems from a macro perspective. In this review, we conceptualize the ecological barrier that represents the combined effects of cross-species and endemic barriers for either the natural or intermediate hosts of viruses. We comprehensively discuss the key influential factors affecting the ecological barrier against viral transmission from virus hosts in their natural habitats into human society, including transmission routes, contact probability, contact frequency, and viral characteristics. Considering the significant impacts of human activities and global industrialization on the strength of the ecological barrier, ecological barrier deterioration driven by human activities is critically analyzed for potential mechanisms. Global climate change can trigger and expand the range of emerging infectious diseases, and human disturbances promote higher contact frequency and greater transmission possibility. In addition, globalization drives more transmission routes and produces new high-risk regions in city areas. This review aims to provide a new concept for and comprehensive evidence of the ecological barrier blocking the transmission and spread of emerging infectious diseases. It also offers new insights into potential strategies to protect the ecological barrier and reduce the wide-ranging risks of emerging infectious diseases to public health.
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Affiliation(s)
- Dayi Zhang
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Yunfeng Yang
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Miao Li
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Yun Lu
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Yi Liu
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Jingkun Jiang
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Ruiping Liu
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Jianguo Liu
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Xia Huang
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Guanghe Li
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Jiuhui Qu
- School of Environment, Tsinghua University, Beijing 100084, China
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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Carbone L, Conforti A, La Marca A, Cariati F, Vallone R, Raffone A, Buonfantino C, Palese M, Mascia M, DI Girolamo R, Capuzzo M, Esteves SC, Alviggi C. The negative impact of most relevant infections on fertility and assisted reproduction technology. Minerva Obstet Gynecol 2022; 74:83-106. [PMID: 34137567 DOI: 10.23736/s2724-606x.21.04870-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Infections may act with variable impact on the physiopathology of the reproductive organs, determining infertility or reducing the outcomes of assisted reproduction technology. The aim of this narrative review is to describe the existing evidence regarding the pathogens with a supposed or recognized role in reproductive medicine. Viral hepatitis, as well as HIV, can reduce sperm quality. Syphilis carries a risk of erectile dysfunction and increased endometrial thickness. Chlamydia is the main cause of pelvic inflammatory disease. In relation to Mycoplasma and Ureaplasma spp., only few species seem to show a correlation with infertility and poor in-vitro fertilization outcomes. There is evidence of a role for bacterial vaginosis in early pregnancy loss. HPV infection in males seems to determine infertility. Herpesviruses are more a risk for fetuses than for fertility itself. Zika virus is responsible for altered early embryo development and waiting to conceive is recommended in suspected or confirmed cases. The impact of SARS-CoV-2 is yet to be elucidated. Rubella and toxoplasmosis can provoke important congenital defects and therefore screening is mandatory before conception; a vaccine for Rubella is recommended. Further and well-designed studies are still needed to better elucidate the role of some infectious agents, to improve fertility and its treatments.
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Affiliation(s)
- Luigi Carbone
- Department of Neuroscience, Reproductive Sciences and Odontostomatology, University of Naples Federico II, Naples, Italy -
| | - Alessandro Conforti
- Department of Neuroscience, Reproductive Sciences and Odontostomatology, University of Naples Federico II, Naples, Italy
| | - Antonio La Marca
- Department of Medical and Surgical Sciences for Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | | | - Roberta Vallone
- Department of Neuroscience, Reproductive Sciences and Odontostomatology, University of Naples Federico II, Naples, Italy
| | - Antonio Raffone
- Department of Neuroscience, Reproductive Sciences and Odontostomatology, University of Naples Federico II, Naples, Italy
| | - Cira Buonfantino
- Department of Public Health, University of Naples Federico II, Naples, Italy
| | - Michela Palese
- Department of Neuroscience, Reproductive Sciences and Odontostomatology, University of Naples Federico II, Naples, Italy
| | - Marika Mascia
- Department of Neuroscience, Reproductive Sciences and Odontostomatology, University of Naples Federico II, Naples, Italy
| | - Raffaella DI Girolamo
- Center for High-Risk Pregnancy and Fetal Care, Department of Obstetrics and Gynecology, University of Chieti, Chieti, Italy
| | - Martina Capuzzo
- Department of Medical and Surgical Sciences for Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | - Sandro C Esteves
- Division of Urology, Department of Surgery, University of Campinas (UNICAMP), Campinas, Brazil
- Faculty of Health, Aarhus University, Aarhus, Denmark
- ANDROFERT - Andrology and Human Reproduction Clinic, Campinas, Brazil
| | - Carlo Alviggi
- Department of Neuroscience, Reproductive Sciences and Odontostomatology, University of Naples Federico II, Naples, Italy
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Apoptosis during ZIKA Virus Infection: Too Soon or Too Late? Int J Mol Sci 2022; 23:ijms23031287. [PMID: 35163212 PMCID: PMC8835863 DOI: 10.3390/ijms23031287] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 01/20/2022] [Accepted: 01/21/2022] [Indexed: 02/07/2023] Open
Abstract
Cell death by apoptosis is a major cellular response in the control of tissue homeostasis and as a defense mechanism in the case of cellular aggression such as an infection. Cell self-destruction is part of antiviral responses, aimed at limiting the spread of a virus. Although it may contribute to the deleterious effects in infectious pathology, apoptosis remains a key mechanism for viral clearance and the resolution of infection. The control mechanisms of cell death processes by viruses have been extensively studied. Apoptosis can be triggered by different viral determinants through different pathways as a result of virally induced cell stresses and innate immune responses. Zika virus (ZIKV) induces Zika disease in humans, which has caused severe neurological forms, birth defects, and microcephaly in newborns during the last epidemics. ZIKV also surprised by revealing an ability to persist in the genital tract and in semen, thus being sexually transmitted. Mechanisms of diverting antiviral responses such as the interferon response, the role of cytopathic effects and apoptosis in the etiology of the disease have been widely studied and debated. In this review, we examined the interplay between ZIKV infection of different cell types and apoptosis and how the virus deals with this cellular response. We illustrate a duality in the effects of ZIKV-controlled apoptosis, depending on whether it occurs too early or too late, respectively, in neuropathogenesis, or in long-term viral persistence. We further discuss a prospective role for apoptosis in ZIKV-related therapies, and the use of ZIKV as an oncolytic agent.
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Kingston R, Routledge I, Bhatt S, Bowman LR. Novel Epidemic Metrics to Communicate Outbreak Risk at the Municipality Level: Dengue and Zika in the Dominican Republic. Viruses 2022; 14:v14010162. [PMID: 35062366 PMCID: PMC8781936 DOI: 10.3390/v14010162] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 01/11/2022] [Accepted: 01/12/2022] [Indexed: 12/28/2022] Open
Abstract
Arboviruses remain a significant cause of morbidity, mortality and economic cost across the global human population. Epidemics of arboviral disease, such as Zika and dengue, also cause significant disruption to health services at local and national levels. This study examined 2014-2016 Zika and dengue epidemic data at the sub-national level to characterise transmission across the Dominican Republic. For each municipality, spatio-temporal mapping was used to characterise disease burden, while data were age and sex standardised to quantify burden distributions among the population. In separate analyses, time-ordered data were combined with the underlying disease migration interval distribution to produce a network of likely transmission chain events, displayed using transmission chain likelihood matrices. Finally, municipal-specific reproduction numbers (Rm) were established using a Wallinga-Teunis matrix. Dengue and Zika epidemics peaked during weeks 39-52 of 2015 and weeks 14-27 of 2016, respectively. At the provincial level, dengue attack rates were high in Hermanas Mirabal and San José de Ocoa (58.1 and 49.2 cases per 10,000 population, respectively), compared with the Zika burden, which was highest in Independencia and San José de Ocoa (21.2 and 13.4 cases per 10,000 population, respectively). Across municipalities, high disease burden was observed in Cotuí (622 dengue cases per 10,000 population) and Jimani (32 Zika cases per 10,000 population). Municipal infector-infectee transmission likelihood matrices identified seven 0% likelihood transmission events throughout the dengue epidemic and two 0% likelihood transmission events during the Zika epidemic. Municipality reproduction numbers (Rm) were consistently higher, and persisted for a greater duration, during the Zika epidemic (Rm = 1.0) than during the dengue epidemic (Rm < 1.0). This research highlights the importance of disease surveillance in land border municipalities as an early warning for infectious disease transmission. It also demonstrates that a high number of importation events are required to sustain transmission in endemic settings, and vice versa for newly emerged diseases. The inception of a novel epidemiological metric, Rm, reports transmission risk using standardised spatial units, and can be used to identify high transmission risk municipalities to better focus public health interventions for dengue, Zika and other infectious diseases.
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Aggarwal S, Balaji S, Bhargava A. Emerging and re-emerging sexually transmitted diseases: A review of epidemiological evidences. Indian J Sex Transm Dis AIDS 2022; 43:20-26. [PMID: 35846553 PMCID: PMC9282687 DOI: 10.4103/ijstd.ijstd_58_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 12/12/2021] [Accepted: 12/22/2021] [Indexed: 12/03/2022] Open
Abstract
Substantial increase in the outbreaks of sexually transmitted infections (STIs) and associated mortalities have raised international concerns. Concurrent with the escalation of established STIs, developing epidemics and outbreaks of newly emerging sexually transmissible pathogens pose serious problems for people and added burden and challenges for public health practitioners and researchers. Importantly, most of the emerging STIs are frequently found among vulnerable groups, such as men having sex with men and human immunodeficiency virus patients, which may result in large outbreaks in the near future. Furthermore, enhanced spread of antimicrobial resistance among these pathogens ever more limits treatment options for STIs. Thus, it is the optimal time to consider whether an infectious agent is sexually transmissible and develop treatment protocol for handling new STIs with pandemic potential. In this review, we explore emerging STIs, their current epidemiological status, and future perspective.
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Vickram A, Dhama K, Thanigaivel S, Chakraborty S, Anbarasu K, Dey N, Karunakaran R. Strategies for successful designing of immunocontraceptive vaccines and recent updates in vaccine development against sexually transmitted infections - A Review. Saudi J Biol Sci 2022; 29:2033-2046. [PMID: 35531220 PMCID: PMC9073025 DOI: 10.1016/j.sjbs.2022.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 12/30/2021] [Accepted: 01/02/2022] [Indexed: 11/28/2022] Open
Abstract
Background Objective Methods Results Conclusion
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Affiliation(s)
- A.S. Vickram
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Tamil Nadu, India
| | - Kuldeep Dhama
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh 243122, India
| | - S. Thanigaivel
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Tamil Nadu, India
| | - Sandip Chakraborty
- Department of Veterinary Microbiology, College of Veterinary Sciences &, Animal Husbandry, R.K.Nagar, West Tripura, Pin- 799008, India
| | - K. Anbarasu
- Department of Bioinformatics, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Tamil Nadu, India
| | - Nibedita Dey
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Tamil Nadu, India
| | - Rohini Karunakaran
- Unit of Biochemistry, Faculty of Medicine, AIMST University, Semeling, Bedong, Kedah, Malaysia
- Corresponding author.
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Clinicopathologic features among different viral epidemic outbreaks involving the skin. Clin Dermatol 2022; 40:573-585. [PMID: 36509508 PMCID: PMC8219845 DOI: 10.1016/j.clindermatol.2021.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The current coronavirus disease 2019 pandemic has exceeded any epidemiologic prevision, but increasing information suggests some analogies with the major viral outbreaks in the last century, and a general warning has been issued on the possibility that coinfections can make the differential diagnosis and treatment difficult, especially in tropical countries. Some reports have noted that the presence of high dengue antibodies can give a false-negative result when testing for severe acute respiratory syndrome coronavirus 2. Mucocutaneous manifestations are very frequent, with an apparent overlap among different pathogens. However, strong clinicopathologic correlation might provide some clues to address differentials. Waiting for laboratory and instrumental results, the timing and distribution of skin lesions is often pathognomonic. Histopathologic findings characterize certain reaction patterns and provide insights on pathogenetic mechanisms. Unfortunately, skin assessment, especially invasive examinations such as biopsy, takes a back seat in severely ill patients. A literature retrieval was performed to collect information from other epidemics to counteract what has become the most frightening disease of our time.
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Key Words
- (covid-19), coronavirus 2019 disease
- (who), world health organization
- (sars), severe acute respiratory syndrome coronavirus
- (sars-cov-2), novel coronavirus
- (mers), middle east respiratory syndrome
- (r0), basic reproductive number
- (mis), multisystem inflammatory syndrome
- (iga), immunoglobulin a
- (ace-2), angiotensin‐converting enzyme 2
- (dengv), dengue virus
- (ttp), thrombotic thrombocytopenic purpura
- (vwf), von willebrand factor
- (cd1a), cluster of diffentiation 1-a
- (rt-pcr), reverse transcription polymerase chain reaction
- (chikv), chikungunya virus
- (e1, e2), envelope glycoprotein
- (ifn-i), interferon-type-i
- (zikv), zika virus
- (ebov), ebola virus
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Chen F, Zhu S, Dai Z, Hao L, Luan C, Guo Q, Meng C, Zhang Y. Effects of COVID-19 and mRNA vaccines on human fertility. Hum Reprod 2021; 37:5-13. [PMID: 34734259 PMCID: PMC8689912 DOI: 10.1093/humrep/deab238] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 10/09/2021] [Indexed: 12/14/2022] Open
Abstract
The coronavirus disease 2019 (COVID-19), which is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has precipitated a global health crisis of unprecedented proportions. Because of its severe impact, multiple COVID-19 vaccines are being rapidly developed, approved and manufactured. Among them, mRNA vaccines are considered as ideal candidates with special advantages to meet this challenge. However, some serious adverse events have been reported after their application, significantly increasing concerns about the safety and efficacy of the vaccines and doubts about the necessity of vaccination. Although several fertility societies have announced that COVID-19 mRNA vaccines are unlikely to affect fertility, there is no denying that the current evidence is very limited, which is one of the reasons for vaccine hesitancy in the population, especially in pregnant women. Herein, we provide an in-depth discussion on the involvement of the male and female reproductive systems during SARS-CoV-2 infection or after vaccination. On one hand, despite the low risk of infection in the male reproductive system or fetus, COVID-19 could pose an enormous threat to human reproductive health. On the other hand, our review indicates that both men and women, especially pregnant women, have no fertility problems or increased adverse pregnancy outcomes after vaccination, and, in particular, the benefits of maternal antibodies transferred through the placenta outweigh any known or potential risks. Thus, in the case of the rapid spread of COVID-19, although further research is still required, especially a larger population-based longitudinal study, it is obviously a wise option to be vaccinated instead of suffering from serious adverse symptoms of virus infection.
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Affiliation(s)
- Fei Chen
- Department of Physiology, Jining Medical University, Jining, China
| | - Shiheng Zhu
- Department of Physiology, Jining Medical University, Jining, China
| | - Zhiqing Dai
- Department of Physiology, Jining Medical University, Jining, China
| | - Lanting Hao
- Department of Physiology, Jining Medical University, Jining, China
| | - Chun Luan
- Department of Physiology, Jining Medical University, Jining, China
| | - Qi Guo
- Department of Physiology, Jining Medical University, Jining, China
| | - Chaofan Meng
- Department of Physiology, Jining Medical University, Jining, China
| | - Yankun Zhang
- Department of Physiology, Jining Medical University, Jining, China
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Wu J, Zhang L, Wang X. Host Sex Steroids Interact With Virus Infection: New Insights Into Sex Disparity in Infectious Diseases. Front Microbiol 2021; 12:747347. [PMID: 34803967 PMCID: PMC8600311 DOI: 10.3389/fmicb.2021.747347] [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: 07/26/2021] [Accepted: 09/27/2021] [Indexed: 01/08/2023] Open
Abstract
Sex hormones are steroid hormones synthesized from the gonads of animals and tissues such as the placenta and adrenocortical reticular zone. The physiological functions of sex hormones are complex. Sex hormones are not only pathologically correlated with many diseases of the reproductive system, but are etiological factors in some viral infectious diseases, including disease caused by infections of coronaviruses, herpesviruses, hepatitis viruses, and other kinds of human viruses, which either exhibit a male propensity in clinical practice, or crosstalk with androgen receptor (AR)-related pathways in viral pathogenesis. Due to the global pandemic of coronavirus disease 2019 (COVID-19), the role of androgen/AR in viral infectious disease is highlighted again, majorly representing by the recent advances of AR-responsive gene of transmembrane protease/serine subfamily member 2 (TMPRSS2), which proteolytically activates the receptor-mediated virus entry by many coronaviruses and influenza virus, along with the role of androgen-mediated signaling for the transcription of hepatitis B virus (HBV), and the role of sex hormone responsive genes during Zika virus (ZIKV) pathogenesis, et al. Collectively, we propose to provide a comprehensive overview of the role of male sex hormones during multiple phases in the life cycle of different human viruses, which may be partly responsible for the sex-specific prevalence, severity and mortality of some diseases, therefore, may provide clues to develop more efficient prevention and treatment strategies for high-risk populations.
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Affiliation(s)
- Jinfeng Wu
- Key Laboratory of Gastrointestinal Cancer (Ministry of Education), School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China
| | - Lei Zhang
- Key Laboratory of Gastrointestinal Cancer (Ministry of Education), School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China
| | - Xing Wang
- Key Laboratory of Gastrointestinal Cancer (Ministry of Education), School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China
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Major CG, Paz-Bailey G, Hills SL, Rodriguez DM, Biggerstaff BJ, Johansson M. Risk Estimation of Sexual Transmission of Zika Virus-United States, 2016-2017. J Infect Dis 2021; 224:1756-1764. [PMID: 33822107 PMCID: PMC10015296 DOI: 10.1093/infdis/jiab173] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 03/31/2021] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Zika virus (ZIKV) can be transmitted sexually but the risk of sexual transmission remains unknown. Most evidence of sexual transmission is from partners of infected travelers returning from areas with ZIKV circulation. METHODS We used data from the US national arboviral disease surveillance system on travel- and sexually acquired ZIKV disease cases during 2016-2017 to develop individual-level simulations for estimating risk of male-to-female, male-to-male, and female-to-male sexual transmission of ZIKV via vaginal and/or anal intercourse. We specified parametric distributions to characterize individual-level variability of parameters for ZIKV persistence and sexual behaviors. RESULTS Using ZIKV RNA persistence in semen/vaginal fluids to approximate infectiousness duration, male-to-male transmission had the highest estimated probability (1.3% [95% confidence interval, CI, .4%-6.0%] per anal sex act), followed by male-to-female and female-to-male transmission (0.4% [95% CI, .3%-.6%] per vaginal/anal sex act and 0.1% [95% CI, 0%-.8%] per vaginal sex act, respectively). Models using viral isolation in semen vs RNA detection to approximate infectiousness duration predicted greater risk of sexual transmission. CONCLUSIONS While likely insufficient to maintain sustained transmission, the estimated risk of ZIKV transmission through unprotected sex is not trivial and is especially important for pregnant women, as ZIKV infection can cause severe congenital disorders.
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Affiliation(s)
- Chelsea G Major
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, San Juan, Puerto Rico, USA
| | - Gabriela Paz-Bailey
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, San Juan, Puerto Rico, USA
| | - Susan L Hills
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, USA
| | - Dania M Rodriguez
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, San Juan, Puerto Rico, USA
| | - Brad J Biggerstaff
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, Colorado, USA
| | - Michael Johansson
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, San Juan, Puerto Rico, USA
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Balint E, Montemarano A, Feng E, Ashkar AA. From Mosquito Bites to Sexual Transmission: Evaluating Mouse Models of Zika Virus Infection. Viruses 2021; 13:v13112244. [PMID: 34835050 PMCID: PMC8625727 DOI: 10.3390/v13112244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 11/02/2021] [Indexed: 01/04/2023] Open
Abstract
Following the recent outbreak of Zika virus (ZIKV) infections in Latin America, ZIKV has emerged as a global health threat due to its ability to induce neurological disease in both adults and the developing fetus. ZIKV is largely mosquito-borne and is now endemic in many parts of Africa, Asia, and South America. However, several reports have demonstrated persistent ZIKV infection of the male reproductive tract and evidence of male-to-female sexual transmission of ZIKV. Sexual transmission may broaden the reach of ZIKV infections beyond its current geographical limits, presenting a significant threat worldwide. Several mouse models of ZIKV infection have been developed to investigate ZIKV pathogenesis and develop effective vaccines and therapeutics. However, the majority of these models focus on mosquito-borne infection, while few have considered the impact of sexual transmission on immunity and pathogenesis. This review will examine the advantages and disadvantages of current models of mosquito-borne and sexually transmitted ZIKV and provide recommendations for the effective use of ZIKV mouse models.
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Manuli ER, Pereira GM, Bernat MC, Novaes CR, Sabino EC, Avelino-Silva VI. Knowledge about clinical presentation, prevention strategies and sexual transmission of Zika virus infection among women of reproductive age in an endemic area. Braz J Infect Dis 2021; 25:101629. [PMID: 34627783 PMCID: PMC9392182 DOI: 10.1016/j.bjid.2021.101629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 09/06/2021] [Accepted: 09/20/2021] [Indexed: 12/05/2022] Open
Abstract
Background The recognition of the causal association between Zika virus (ZIKV) infection during pregnancy and congenital abnormalities including microcephaly underlines the importance of preventing this disease in pregnant women (PW) and women of childbearing age (WCA). Although Brazil and other Latin American countries reported a significant reduction in the number of ZIKV infections in recent years, epidemic waves can recur in settings with previous outbreaks as conditions for transmission remain optimal and susceptible populations are continuously replenished. Methods In this cross-sectional study, we enrolled 64 PW and 260 non-pregnant WCA attending routine medical appointments in two primary care units in Sao Paulo, Brazil, and assessed knowledge and attitudes about ZIKV infection and prevention. Results Most women reported knowing that ZIKV is transmitted through the bite of Aedes mosquitos, and most knew that acute symptoms are similar to those seen in Dengue infection. Furthermore, most participants correctly described that ZIKV infection during pregnancy may cause detrimental outcomes for the newborn. However, most ignored that ZIKV infection can be asymptomatic, and only 15% knew about the risk of ZIKV sexual transmission. We found no statistically significant differences between PW and WCA regarding knowledge about ZIKV sexual transmission. Knowledge about ZIKV sexual transmission was significantly associated with education; among participants with ≤12 schooling years, only 9.0% (95%CI 3.4-18.5%) correctly answered that ZIKV can be sexually transmitted, compared to 12.9% (95%CI 8.2-18.8%) among participants with 12-14 schooling years, and to 24.4% (95%CI 15.9-34.9%) of participants with ≥15 schooling years (p = 0.015). Education remained independently associated with knowledge about sexual transmission of ZIKV in a multivariate logistic regression model adjusted for age, race and pregnancy status (p = 0.022). Conclusion Our findings underscore the urgent need of educational and family planning programs that may help prevent detrimental outcomes of ZIKV infection in an endemic area of Brazil.
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Affiliation(s)
- Erika R Manuli
- Department of Infectious and Parasitic Diseases, Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil; Instituto de Medicina Tropical, Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil
| | - Geovana M Pereira
- Instituto de Medicina Tropical, Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil
| | - Maria Cristina Bernat
- Centro de Saude Escola Geraldo de Paula Souza, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo, SP, Brazil
| | - Celia R Novaes
- Centro de Saude I "Dr. Victor Araujo Homem de Mello ", Departamento de Gerenciamento Ambulatorial da Capital, Secretaria de Estado da Saúde, São Paulo, São Paulo, SP, Brazil
| | - Ester C Sabino
- Department of Infectious and Parasitic Diseases, Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil; Instituto de Medicina Tropical, Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil
| | - Vivian I Avelino-Silva
- Department of Infectious and Parasitic Diseases, Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil; Instituto de Medicina Tropical, Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP, Brazil.
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Maus H, Barthels F, Hammerschmidt SJ, Kopp K, Millies B, Gellert A, Ruggieri A, Schirmeister T. SAR of novel benzothiazoles targeting an allosteric pocket of DENV and ZIKV NS2B/NS3 proteases. Bioorg Med Chem 2021; 47:116392. [PMID: 34509861 DOI: 10.1016/j.bmc.2021.116392] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 08/03/2021] [Accepted: 08/30/2021] [Indexed: 01/12/2023]
Abstract
In recent years, dengue virus (DENV) and Zika virus (ZIKV), both mosquito-borne members of the Flaviviridae family, have emerged as intercontinental health issues since their vectors have spread from their tropical origins to temperate climate zones due to climate change and increasing globalization. DENV and ZIKV are positive-sense, single-stranded RNA viruses, whose genomes consist of three structural (capsid, membrane precursor, envelope) and seven non-structural (NS) proteins, all of which are initially expressed as a single precursor polyprotein. For virus maturation, the polyprotein processing is accomplished by host proteases and the viral NS2B/NS3 protease complex, whose inhibitors have been shown to be effective antiviral agents with loss of viral pathogenicity. In this work, we elucidate new structure-activity relationships of benzo[d]thiazole-based allosteric NS2B/NS3 inhibitors. We developed a new series of Y-shaped inhibitors, which, with its larger hydrophobic contact surface, should bind to previously unaddressed regions of the allosteric NS2B/NS3 binding pocket. By scaffold-hopping, we varied the benzo[d]thiazole core and identified benzofuran as a new lead scaffold shifting the selectivity of initially ZIKV-targeting inhibitors to higher activities towards the DENV protease. In addition, we were able to increase the ligand efficiency from 0.27 to 0.41 by subsequent inhibitor truncation and identified N-(5,6-dihydroxybenzo[d]thiazol-2-yl)-4-iodobenzamide as a novel sub-micromolar NS2B/NS3 inhibitor. Utilizing cell-based assays, we could prove the antiviral activity in cellulo. Overall, we report new series of sub-micromolar allosteric DENV and ZIKV inhibitors with good efficacy profile in terms of cytotoxicity and protease inhibition selectivity.
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Affiliation(s)
- Hannah Maus
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University, Staudingerweg 5, 55128 Mainz, Germany
| | - Fabian Barthels
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University, Staudingerweg 5, 55128 Mainz, Germany
| | - Stefan Josef Hammerschmidt
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University, Staudingerweg 5, 55128 Mainz, Germany
| | - Katja Kopp
- Department of Infectious Diseases, Molecular Virology, Center for Integrative Infectious Disease Research, University of Heidelberg, Im Neuenheimer Feld 344, 69120 Heidelberg, Germany
| | - Benedikt Millies
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University, Staudingerweg 5, 55128 Mainz, Germany
| | - Andrea Gellert
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University, Staudingerweg 5, 55128 Mainz, Germany
| | - Alessia Ruggieri
- Department of Infectious Diseases, Molecular Virology, Center for Integrative Infectious Disease Research, University of Heidelberg, Im Neuenheimer Feld 344, 69120 Heidelberg, Germany
| | - Tanja Schirmeister
- Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg-University, Staudingerweg 5, 55128 Mainz, Germany.
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Ren K, Sun H, Chen L, Chen N, Yu L. Myxovirus resistance protein A activates type I IFN signaling pathway to inhibit Zika virus replication. Virus Res 2021; 306:198534. [PMID: 34537259 DOI: 10.1016/j.virusres.2021.198534] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 07/30/2021] [Accepted: 07/31/2021] [Indexed: 11/17/2022]
Abstract
Myxovirus resistance protein A(MxA), one of the dynamin superfamily of large guanosine triphosphatase and a classical interferon stimulated gene (ISG) induced by type I interferons (IFNs), plays antiviral role in various virus infections. However, the effect of MxA on Zika virus (ZIKV) infection and its underlying mechanism remain elusive. In this study, we aimed to explore the role of MxA in ZIKV infection and its potential mechanisms. MxA overexpression was achieved by transfection with plasmid. The levels of MxA expression and ZIKV replication were assayed by both qRT-PCR and western blot. The activation status of Jak/STAT signaling pathway was evaluated at three levels: phosphorylation of STAT1 and STAT2(p-STAT1, p-STAT2) (western blot), activity of interferon sensitive response element (ISRE) (dual luciferase reporter gene assay), and the expression levels of ISGs (qRT-PCR). Our results showed that MxA overexpression inhibited ZIKV replication with no effect on virus entry. The expression levels of retinoic acid inducible gene I (RIG-I), melanoma differentiation-associated gene-5(MDA5), Toll-like receptor3(TLR3) and interferon regulatory Factor 3(IRF3), as well as IFNα and IFNβ, were increased in parallel with MxA upregulation. Interestingly, the inhibitory effect of MxA on ZIKV replication was abolished in type I IFN receptor (IFNAR) deficient cells (U5A). These data collectively supported that MxA inhibits ZIKV replication through activation of the type I IFN signaling pathway.
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Affiliation(s)
- Kai Ren
- The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Honggang Sun
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, China
| | - Limin Chen
- Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, China.
| | - Ningning Chen
- The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China.
| | - Lu Yu
- The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China.
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42
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Atzori L, Ferreli C, Mateeva V, Vassileva S, Rongioletti F. Clinicopathologic features between different viral epidemic outbreaks involving the skin. Clin Dermatol 2021; 39:405-417. [PMID: 34517998 PMCID: PMC8071581 DOI: 10.1016/j.clindermatol.2021.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The current coronavirus disease 2019 pandemic has exceeded any epidemiologic prevision, but increasing information suggests some analogies with the major viral outbreaks of the last century. A general warning has been issued on the possibility that coinfections can make differential diagnosis and treatment difficult, especially in tropical countries. Some reports have pointed out that the presence of high Dengue antibodies can give a false-negative result for severe acute respiratory syndrome coronavirus 2. Mucocutaneous manifestations are very frequent, with an apparent overlap among different pathogens. A strong clinicopathologic correlation, however, may provide some clues to address the differential. Waiting for laboratory and instrumental results, the timing and distribution of skin lesions is often pathognomonic. Histopathologic findings characterize certain reaction patterns and provide insights on pathogenetic mechanisms. Unfortunately, skin assessments, especially invasive exams such as biopsy, are less important in severely ill patients. A literature review was performed to collect information from other epidemics to counteract what has become the most frightening disease of our time.
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Affiliation(s)
- Laura Atzori
- Dermatology Clinic, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy
| | - Caterina Ferreli
- Dermatology Clinic, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.
| | - Valeria Mateeva
- Department of Dermatology, Sofia University of Medicine, Sofia, Bulgaria
| | - Snejina Vassileva
- Department of Dermatology, Sofia University of Medicine, Sofia, Bulgaria
| | - Franco Rongioletti
- Dermatology Clinic, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy; Vita-SaluteS.Raffaele University, Milan, Italy
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43
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Baloch Z, Shen Z, Zhang L, Feng Y, Li D, Zhang NN, Deng YQ, Yang C, Sun X, Dai J, Yang Z, Qin CF, Xia X. Recapitulating Zika Virus Infection in Vagina of Tree Shrew (Tupaia belangeri). Front Cell Infect Microbiol 2021; 11:687338. [PMID: 34249779 PMCID: PMC8270636 DOI: 10.3389/fcimb.2021.687338] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 06/10/2021] [Indexed: 01/03/2023] Open
Abstract
Sexual transmission of Zika Virus (ZIKV) elevates the risk of its dissemination in the female reproductive tract and causes a serious threat to the fetus. However, the available animal models are not appropriate to investigate sexual transmission, dynamics of ZIKV infection, replication, and shedding. The use of tree shrew as a small animal model of ZIKV vaginal infection was assessed in this study. A total of 23 sexually mature female tree shrews were infected with ZIKV GZ01 via the intravaginal route. There was no significant difference in change of body weight, and the temperature between ZIKV infected and control animals. Viral RNA loads were detected in blood, saliva, urine, and vaginal douching. ZIKV RNA was readily detected in vaginal lavage of 22 animals (95.65%, 22/23) at 1 dpi, and viral load ranged from 104.46 to 107.35 copies/ml, and the peak of viral load appeared at 1 dpi. The expression of key inflammatory genes, such as IL6, 8, CCL5, TNF-a, and CXCL9, was increased in the spleen of ZIKV infected animals. In the current study, female tree shrews have been successfully infected with ZIKV through the vaginal route for the first time. Interestingly, at first, ZIKV replicates at the local site of infection and then spreads throughout the host body to develop a robust systemic infection and mounted a protective immune response. This small animal model is not only valuable for exploring ZIKV sexual transmission and may also help to explain the cause of debilitating manifestations of the fetus in vivo.
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Affiliation(s)
- Zulqarnain Baloch
- Faculty of Life Science and Technology, Yunnan Provincial Center for Molecular Medicine, Kunming University of Science and Technology, Kunming, China
| | - Zhili Shen
- Faculty of Life Science and Technology, Yunnan Provincial Center for Molecular Medicine, Kunming University of Science and Technology, Kunming, China
| | - Li Zhang
- Faculty of Life Science and Technology, Yunnan Provincial Center for Molecular Medicine, Kunming University of Science and Technology, Kunming, China
| | - Yue Feng
- Faculty of Life Science and Technology, Yunnan Provincial Center for Molecular Medicine, Kunming University of Science and Technology, Kunming, China
| | - Daoqun Li
- Faculty of Life Science and Technology, Yunnan Provincial Center for Molecular Medicine, Kunming University of Science and Technology, Kunming, China
| | - Na-Na Zhang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Yong-Qiang Deng
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Chunguang Yang
- Key Laboratory of Animal Models and Human Disease Mechanisms, Kunming Institute of Zoology, Chinese Academy of Sciences, Center of Tree Shrew Germplasm Resources, Institute of Medical Biology, Chinese Academy of Medical Science and Peking Union Medical College, Kunming, China
| | - Xiaomei Sun
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Jiejie Dai
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Zifeng Yang
- Key Laboratory of Animal Models and Human Disease Mechanisms, Kunming Institute of Zoology, Chinese Academy of Sciences, Center of Tree Shrew Germplasm Resources, Institute of Medical Biology, Chinese Academy of Medical Science and Peking Union Medical College, Kunming, China
| | - Cheng-Feng Qin
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Xueshan Xia
- Faculty of Life Science and Technology, Yunnan Provincial Center for Molecular Medicine, Kunming University of Science and Technology, Kunming, China
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44
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Campos RK, Camargos VN, Azar SR, Haines CA, Eyzaguirre EJ, Rossi SL. SARS-CoV-2 Infects Hamster Testes. Microorganisms 2021; 9:1318. [PMID: 34204370 PMCID: PMC8235703 DOI: 10.3390/microorganisms9061318] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 06/08/2021] [Accepted: 06/14/2021] [Indexed: 01/03/2023] Open
Abstract
The COVID-19 pandemic continues to affect millions of people worldwide. Although SARS-CoV-2 is a respiratory virus, there is growing concern that the disease could cause damage and pathology outside the lungs, including in the genital tract. Studies suggest that SARS-CoV-2 infection can damage the testes and reduce testosterone levels, but the underlying mechanisms are unknown and evidence of virus replication in testicular cells is lacking. We infected golden Syrian hamsters intranasally, a model for mild human COVID-19, and detected viral RNA in testes samples without histopathological changes up to one month post-infection. Using an ex vivo infection model, we detected SARS-CoV-2 replication in hamster testicular cells. Taken together, our data raise the possibility that testes damage observed in severe cases of COVID-19 could be partly explained by direct SARS-CoV-2 infection of the testicular cells.
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Affiliation(s)
- Rafael K. Campos
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA; (R.K.C.); (C.A.H.)
| | - Vidyleison N. Camargos
- Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555-0609, USA; (V.N.C.); (S.R.A.); (E.J.E.)
| | - Sasha R. Azar
- Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555-0609, USA; (V.N.C.); (S.R.A.); (E.J.E.)
| | - Clint A. Haines
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA; (R.K.C.); (C.A.H.)
| | - Eduardo J. Eyzaguirre
- Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555-0609, USA; (V.N.C.); (S.R.A.); (E.J.E.)
| | - Shannan L. Rossi
- Department of Microbiology and Immunology, University of Texas Medical Branch, Galveston, TX 77555, USA; (R.K.C.); (C.A.H.)
- Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555-0609, USA; (V.N.C.); (S.R.A.); (E.J.E.)
- Institute for Human Infection and Immunity, University of Texas Medical Branch, Galveston, TX 77555, USA
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45
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Yang M, Wang J, Chen Y, Kong S, Qiao J. Effects of SARS-CoV-2 infection on human reproduction. J Mol Cell Biol 2021; 13:695-704. [PMID: 34003284 PMCID: PMC8194633 DOI: 10.1093/jmcb/mjab025] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 03/18/2021] [Accepted: 03/23/2021] [Indexed: 11/13/2022] Open
Abstract
The worldwide infection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) impacts human health and life on multiple levels. People infected with SARS-CoV-2 suffer from physical disorders and psychological distress. At present, no direct evidence indicates that SARS-CoV-2 negatively influences human reproduction, and the possibility that gametes and embryos are affected requires further investigation. To evaluate the potential effects of SARS-CoV-2 infection on human reproduction and fetal health, this review summarizes the basic and clinical research of SARS-CoV-2 on reproduction up to date, hoping to offer guidance and advice to people at reproductive age and provide clues for the prevention and treatment of associated diseases.
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Affiliation(s)
- Ming Yang
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China.,Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China.,Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China.,Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Jing Wang
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China.,National Clinical Research Center for Obstetrics and Gynecology, Beijing 100191, China
| | - Yidong Chen
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China.,Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China.,Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China.,Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Siming Kong
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China.,Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China.,Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China.,Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
| | - Jie Qiao
- Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing 100191, China.,National Clinical Research Center for Obstetrics and Gynecology, Beijing 100191, China.,Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing 100191, China.,Beijing Advanced Innovation Center for Genomics, Beijing 100871, China.,Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China.,Research Units of Comprehensive Diagnosis and Treatment of Oocyte Maturation Arrest, Peking University, Beijing 100871, China.,Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
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46
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Duarte G, Miranda AE, Bermudez XPD, Saraceni V, Martinez-Espinosa FE. Brazilian Protocol for Sexually Transmitted Infections 2020: Zika virus infection. Rev Soc Bras Med Trop 2021; 54:e2020609. [PMID: 34008724 PMCID: PMC8210481 DOI: 10.1590/0037-8682-609-2020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 03/10/2021] [Indexed: 11/22/2022] Open
Abstract
This article addresses the vector, sexual and vertical transmissions of the Zika virus, a topic covered in the Clinical Protocol and Therapeutic Guidelines for Comprehensive Care for People with Sexually Transmitted Infections, published by the Brazilian Ministry of Health in 2020. Although in Brazil Zika virus is transmitted more predominantly by Aedes aegypti, the vertical and sexual transmission routes are of significant importance for reproductive health. Sexual transmission demands specific prophylactic interventions, including the use of male or female condoms, especially among couples in a risk situation and planning pregnancy. Vertical transmission is linked to severe structural abnormalities of the central nervous system, and there is still no vaccine or known pharmacological resources that can prevent it. As the disease is predominantly asymptomatic, failure to comply with the basic principles of care and guidelines associated with the spread of the infection transcends the severity of the disease's symptoms. Although in Brazil Zika virus is predominantly transmitted by the Aedes aegypti mosquito, vertical and sexual transmission routes are important for reproductive health. Vertical transmission causes severe central nervous system structural abnormalities.
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Affiliation(s)
- Geraldo Duarte
- Universidade de São Paulo, Faculdade de Medicina de Ribeirão Preto, Ribeirão Preto, SP, Brasil
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47
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Newman CM, Tarantal AF, Martinez ML, Simmons HA, Morgan TK, Zeng X, Rosinski JR, Bliss MI, Bohm EK, Dudley DM, Aliota MT, Friedrich TC, Miller CJ, O’Connor DH. Early Embryonic Loss Following Intravaginal Zika Virus Challenge in Rhesus Macaques. Front Immunol 2021; 12:686437. [PMID: 34079560 PMCID: PMC8165274 DOI: 10.3389/fimmu.2021.686437] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 05/04/2021] [Indexed: 01/25/2023] Open
Abstract
Zika virus (ZIKV) is an arthropod-borne virus (arbovirus) and is primarily transmitted by Aedes species mosquitoes; however, ZIKV can also be sexually transmitted. During the initial epidemic and in places where ZIKV is now considered endemic, it is difficult to disentangle the risks and contributions of sexual versus vector-borne transmission to adverse pregnancy outcomes. To examine the potential impact of sexual transmission of ZIKV on pregnancy outcome, we challenged three rhesus macaques (Macaca mulatta) three times intravaginally with 1 x 107 PFU of a low passage, African lineage ZIKV isolate (ZIKV-DAK) in the first trimester (~30 days gestational age). Samples were collected from all animals initially on days 3 through 10 post challenge, followed by twice, and then once weekly sample collection; ultrasound examinations were performed every 3-4 days then weekly as pregnancies progressed. All three dams had ZIKV RNA detectable in plasma on day 3 post-ZIKV challenge. At approximately 45 days gestation (17-18 days post-challenge), two of the three dams were found with nonviable embryos by ultrasound. Viral RNA was detected in recovered tissues and at the maternal-fetal interface (MFI) in both cases. The remaining viable pregnancy proceeded to near term (~155 days gestational age) and ZIKV RNA was detected at the MFI but not in fetal tissues. These results suggest that sexual transmission of ZIKV may represent an underappreciated risk of pregnancy loss during early gestation.
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Affiliation(s)
- Christina M. Newman
- Pathology and Laboratory Medicine, University of Wisconsin-Madison, Madison, WI, United States
| | - Alice F. Tarantal
- Pediatrics, Cell Biology and Human Anatomy, School of Medicine, University of California, Davis, CA, United States
- California National Primate Research Center, University of California, Davis, CA, United States
| | - Michele L. Martinez
- Pediatrics, Cell Biology and Human Anatomy, School of Medicine, University of California, Davis, CA, United States
- California National Primate Research Center, University of California, Davis, CA, United States
| | - Heather A. Simmons
- Wisconsin National Primate Research Center, University of Wisconsin-Madison, Madison, WI, United States
| | - Terry K. Morgan
- Pathology, Oregon Health and Sciences University, Portland, OR, United States
| | - Xiankun Zeng
- Pathology Division, United States Army Medical Research Institute of Infectious Diseases, Frederick, MD, United States
| | - Jenna R. Rosinski
- Pathology and Laboratory Medicine, University of Wisconsin-Madison, Madison, WI, United States
| | - Mason I. Bliss
- Pathobiological Sciences, University of Wisconsin-Madison, Madison, WI, United States
| | - Ellie K. Bohm
- Veterinary and Biomedical Sciences, University of Minnesota, Saint Paul, MN, United States
| | - Dawn M. Dudley
- Pathology and Laboratory Medicine, University of Wisconsin-Madison, Madison, WI, United States
| | - Matthew T. Aliota
- Veterinary and Biomedical Sciences, University of Minnesota, Saint Paul, MN, United States
| | - Thomas C. Friedrich
- Pathobiological Sciences, University of Wisconsin-Madison, Madison, WI, United States
| | - Christopher J. Miller
- California National Primate Research Center, University of California, Davis, CA, United States
- Pathology, Microbiology, and Immunology, School of Veterinary Medicine, Center for Immunology and Infectious Diseases, University of California, Davis, CA, United States
| | - David H. O’Connor
- Pathology and Laboratory Medicine, University of Wisconsin-Madison, Madison, WI, United States
- Wisconsin National Primate Research Center, University of Wisconsin-Madison, Madison, WI, United States
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48
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Vogt MB, Frere F, Hawks SA, Perez CE, Coutermarsh-Ott S, Duggal NK. Persistence of Zika virus RNA in the epididymis of the murine male reproductive tract. Virology 2021; 560:43-53. [PMID: 34023724 DOI: 10.1016/j.virol.2021.05.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 04/06/2021] [Accepted: 05/03/2021] [Indexed: 11/28/2022]
Abstract
Zika virus (ZIKV) can infect developing fetuses in utero and cause severe congenital defects independent of route of maternal infection. Infected men can shed ZIKV RNA in semen for over six months. Whether prolonged viral RNA shedding in semen indicates a persistent infection in the male reproductive tract is unknown. We hypothesized that if ZIKV establishes a persistent infection in the male reproductive tract (MRT), then immunosuppressant treatment should stimulate ZIKV replication and seminal shedding. Male mice were infected with ZIKV and immunosuppressed when they shed viral RNA but not infectious virus in ejaculates. Following immunosuppression, we did not detect infectious virus in ejaculates. However, we did detect ZIKV positive and negative sense RNA in the epididymal lumens of mice treated with cyclophosphamide, suggesting that ZIKV persists in the epididymis. This study provides insight into the mechanisms behind ZIKV sexual transmission, which may inform public health decisions regarding ZIKV risks.
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Affiliation(s)
- Megan B Vogt
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA
| | - Francesca Frere
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA
| | - Seth A Hawks
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA
| | - Claudia E Perez
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA
| | - Sheryl Coutermarsh-Ott
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA
| | - Nisha K Duggal
- Department of Biomedical Sciences and Pathobiology, Virginia-Maryland College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA.
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49
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Abdel-Moneim A. COVID-19 Pandemic and Male Fertility: Clinical Manifestations and Pathogenic Mechanisms. BIOCHEMISTRY (MOSCOW) 2021; 86:389-396. [PMID: 33941061 PMCID: PMC7978437 DOI: 10.1134/s0006297921040015] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The novel coronavirus disease-2019 (COVID-19) pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has been a major public health emergency worldwide with over 118.27-million confirmed COVID-19 cases and 2.62-million deaths recorded, as of March 12, 2021. Although this disease primarily targets lungs, damages in other organs, such as heart, kidney, liver, and testis, may occur. Testis is the cornerstone of male reproduction, while reproductive health is the most valuable resource for continuity of the human race. Given the unique nature of SARS-CoV-2, the mechanisms of its impact on the testes have yet to be fully explored. Notably, coronaviruses have been found to invade target cells through the angiotensin-converting enzyme 2 receptor, which can be found in the respiratory, gastrointestinal, cardiovascular, urinary tract, and reproductive organs, such as testes. Coronavirus studies have suggested that testes might be a potential target for SARS-CoV-2 infection. The first etiopathogenic concept proposed by current hypotheses indicates that the virus can invade testes through the angiotensin-converting enzyme 2 receptor. Next, the activated inflammatory response in the testes, disease-associated fever, and COVID-19 medications might be implicated in testicular alterations. Although evidence regarding the presence of SARS-CoV-2 mRNA in semen remains controversial, this emphasizes the need for researchers to pay closer attention to sexually transmitted diseases and male fertility after recovering from COVID-19. In this review the latest updates regarding COVID-19-associated testicular dysfunction are summarized and possible pathogenic mechanisms are discussed.
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Affiliation(s)
- Adel Abdel-Moneim
- Molecular Physiology Division, Faculty of Science, Beni-Suef University, Beni-Suef, 62511, Egypt.
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Tavčar P, Potokar M, Kolenc M, Korva M, Avšič-Županc T, Zorec R, Jorgačevski J. Neurotropic Viruses, Astrocytes, and COVID-19. Front Cell Neurosci 2021; 15:662578. [PMID: 33897376 PMCID: PMC8062881 DOI: 10.3389/fncel.2021.662578] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 03/22/2021] [Indexed: 12/13/2022] Open
Abstract
At the end of 2019, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) was discovered in China, causing a new coronavirus disease, termed COVID-19 by the WHO on February 11, 2020. At the time of this paper (January 31, 2021), more than 100 million cases have been recorded, which have claimed over 2 million lives worldwide. The most important clinical presentation of COVID-19 is severe pneumonia; however, many patients present various neurological symptoms, ranging from loss of olfaction, nausea, dizziness, and headache to encephalopathy and stroke, with a high prevalence of inflammatory central nervous system (CNS) syndromes. SARS-CoV-2 may also target the respiratory center in the brainstem and cause silent hypoxemia. However, the neurotropic mechanism(s) by which SARS-CoV-2 affects the CNS remain(s) unclear. In this paper, we first address the involvement of astrocytes in COVID-19 and then elucidate the present knowledge on SARS-CoV-2 as a neurotropic virus as well as several other neurotropic flaviviruses (with a particular emphasis on the West Nile virus, tick-borne encephalitis virus, and Zika virus) to highlight the neurotropic mechanisms that target astroglial cells in the CNS. These key homeostasis-providing cells in the CNS exhibit many functions that act as a favorable milieu for virus replication and possibly a favorable environment for SARS-CoV-2 as well. The role of astrocytes in COVID-19 pathology, related to aging and neurodegenerative disorders, and environmental factors, is discussed. Understanding these mechanisms is key to better understanding the pathophysiology of COVID-19 and for developing new strategies to mitigate the neurotropic manifestations of COVID-19.
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Affiliation(s)
- Petra Tavčar
- Laboratory of Neuroendocrinology–Molecular Cell Physiology, Institute of Pathophysiology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Maja Potokar
- Laboratory of Neuroendocrinology–Molecular Cell Physiology, Institute of Pathophysiology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
- Celica Biomedical, Ljubljana, Slovenia
| | - Marko Kolenc
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Miša Korva
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Tatjana Avšič-Županc
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Robert Zorec
- Laboratory of Neuroendocrinology–Molecular Cell Physiology, Institute of Pathophysiology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
- Celica Biomedical, Ljubljana, Slovenia
| | - Jernej Jorgačevski
- Laboratory of Neuroendocrinology–Molecular Cell Physiology, Institute of Pathophysiology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
- Celica Biomedical, Ljubljana, Slovenia
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