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de Lima LF, Barbosa PP, Simeoni CL, de Paula RFDO, Proenca-Modena JL, de Araujo WR. Electrochemical Paper-Based Nanobiosensor for Rapid and Sensitive Detection of Monkeypox Virus. ACS APPLIED MATERIALS & INTERFACES 2023; 15:58079-58091. [PMID: 38063784 DOI: 10.1021/acsami.3c10730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2023]
Abstract
Monkeypox virus (MPXV) infection was classified as a public health emergency of international concern by the World Health Organization (WHO) in 2022, being transmitted between humans by large respiratory droplets, in contact with skin lesions, fomites, and sexually. Currently, there are no available accessible and simple-to-use diagnostic tests that accurately detect MPXV antigens for decentralized and frequent testing. Here, we report an electrochemical biosensor to detect MPXV antigens in saliva and plasma samples within 15 min using accessible materials. The electrochemical system was manufactured onto a paper substrate engraved by a CO2 laser machine, modified with gold nanostructures (AuNS) and a monoclonal antibody, enabling sensitive detection of A29 viral protein. The diagnostic test is based on the use of electrochemical impedance spectroscopy (EIS) and can be run by a miniaturized potentiostat connected to a smartphone. The impedimetric biosensing method presented excellent analytical parameters, enabling the detection of A29 glycoprotein in the concentration ranging from 1 × 10-14 to 1 × 10-7 g mL-1, with a limit of detection (LOD) of 3.0 × 10-16 g mL-1. Furthermore, it enabled the detection of MPXV antigens in the concentration ranging from 1 × 10-1 to 1 × 104 PFU mL-1, with an LOD of 7.8 × 10-3 PFU mL-1. Importantly, no cross-reactivity was observed when our device was tested in the presence of other poxvirus and nonpoxvirus strains, indicating the adequate selectivity of our nanobiosensor for MPXV detection. Collectively, the nanobiosensor presents high greenness metrics associated with the use of a reproducible and large-scale fabrication method, an accessible and sustainable paper substrate, and a low volume of sample (2.5 μL), which could facilitate frequent testing of MPXV at point-of-care (POC).
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Affiliation(s)
- Lucas F de Lima
- Portable Chemical Sensors Lab, Department of Analytical Chemistry, Institute of Chemistry, State University of Campinas - UNICAMP, P.O. Box 6154, 13083-970 Campinas, SP, Brazil
| | - Priscilla P Barbosa
- Laboratory of Emerging Viruses, Department of Genetics, Evolution, Microbiology and Immunology, University of Campinas, Campinas, 13083-862 Campinas, SP, Brazil
- Experimental Medicine Research Cluster, State University of Campinas, Campinas, 13083-862 Campinas, SP, Brazil
| | - Camila L Simeoni
- Laboratory of Emerging Viruses, Department of Genetics, Evolution, Microbiology and Immunology, University of Campinas, Campinas, 13083-862 Campinas, SP, Brazil
- Experimental Medicine Research Cluster, State University of Campinas, Campinas, 13083-862 Campinas, SP, Brazil
| | - Rosemeire F de O de Paula
- Laboratory of Emerging Viruses, Department of Genetics, Evolution, Microbiology and Immunology, University of Campinas, Campinas, 13083-862 Campinas, SP, Brazil
| | - José Luiz Proenca-Modena
- Laboratory of Emerging Viruses, Department of Genetics, Evolution, Microbiology and Immunology, University of Campinas, Campinas, 13083-862 Campinas, SP, Brazil
- Experimental Medicine Research Cluster, State University of Campinas, Campinas, 13083-862 Campinas, SP, Brazil
| | - William R de Araujo
- Portable Chemical Sensors Lab, Department of Analytical Chemistry, Institute of Chemistry, State University of Campinas - UNICAMP, P.O. Box 6154, 13083-970 Campinas, SP, Brazil
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Li Z, Sinha A, Zhang Y, Tanner N, Cheng HT, Premsrirut P, Carlow CKS. Extraction-free LAMP assays for generic detection of Old World Orthopoxviruses and specific detection of Mpox virus. Sci Rep 2023; 13:21093. [PMID: 38036581 PMCID: PMC10689478 DOI: 10.1038/s41598-023-48391-z] [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: 07/21/2023] [Accepted: 11/26/2023] [Indexed: 12/02/2023] Open
Abstract
Mpox is a neglected zoonotic disease endemic in West and Central Africa. The Mpox outbreak with more than 90,000 cases worldwide since 2022 generated great concern about future outbreaks and highlighted the need for a simple and rapid diagnostic test. The Mpox virus, MPV, is a member of the Orthopoxvirus (OPV) genus that also contains other pathogenic viruses including variola virus, vaccinia virus, camelpox virus, and cowpox virus. Phylogenomic analysis of 200 OPV genomes identified 10 distinct phylogroups with the New World OPVs placed on a very long branch distant from the Old World OPVs. Isolates derived from infected humans were found to be distributed across multiple phylogroups interspersed with isolates from animal sources, indicating the zoonotic potential of these viruses. In this study, we developed a simple and sensitive colorimetric LAMP assay for generic detection of Old World OPVs. We also developed an MPV-specific probe that differentiates MPV from other OPVs in the N1R LAMP assay. In addition, we described an extraction-free protocol for use directly with swab eluates in LAMP assays, thereby eliminating the time and resources needed to extract DNA from the sample. Our direct LAMP assays are well-suited for low-resource settings and provide a valuable tool for rapid and scalable diagnosis and surveillance of OPVs and MPV.
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Affiliation(s)
- Zhiru Li
- Molecular Genetics and Genomics Division, New England Biolabs, Ipswich, MA, 01938, USA.
| | - Amit Sinha
- Molecular Genetics and Genomics Division, New England Biolabs, Ipswich, MA, 01938, USA
| | - Yinhua Zhang
- Molecular Genetics and Genomics Division, New England Biolabs, Ipswich, MA, 01938, USA
| | - Nathan Tanner
- Molecular Genetics and Genomics Division, New England Biolabs, Ipswich, MA, 01938, USA
| | | | | | - Clotilde K S Carlow
- Molecular Genetics and Genomics Division, New England Biolabs, Ipswich, MA, 01938, USA
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Garcia-Junior MA, Andrade BS, Guevara-Vega M, de Melo IS, Cunha TM, Jardim ACG, Sabino-Silva R. Oral Infection, Oral Pathology and Salivary Diagnostics of Mpox Disease: Relevance in Dentistry and OMICs Perspectives. Int J Mol Sci 2023; 24:14362. [PMID: 37762664 PMCID: PMC10531708 DOI: 10.3390/ijms241814362] [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: 07/25/2023] [Revised: 08/31/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
In this narrative review, we aim to point out the close relationship between mpox virus (MPXV) infection and the role of saliva as a diagnostic tool for mpox, considering the current molecular approach and in the perspective of OMICs application. The MPXV uses the host cell's rough endoplasmic reticulum, ribosomes, and cytoplasmic proteins to replicate its genome and synthesize virions for cellular exit. The presence of oral mucosa lesions associated with mpox infection is one of the first signs of infection; however, current diagnostic tools find it difficult to detect the virus before the rashes begin. MPXV transmission occurs through direct contact with an infected lesion and infected body fluids, including saliva, presenting a potential use of this fluid for diagnostic purposes. Currently available diagnostic tests for MPXV detection are performed either by real-time quantitative PCR (RT-qPCR) or ELISA, which presents several limitations since they are invasive tests. Despite current clinical trials with restricted sample size, MPXV DNA was detected in saliva with a sensitivity of 85%-100%. In this context, the application of transcriptomics, metabolomics, lipidomics, or proteomics analyses coupled with saliva can identify novel disease biomarkers. Thus, it is important to note that the identification and quantification of salivary DNA, RNA, lipid, protein, and metabolite can provide novel non-invasive biomarkers through the use of OMICs platforms aiding in the early detection and diagnosis of MPXV infection. Untargeted mass spectrometry (MS)-based proteomics reveals that some proteins also expressed in saliva were detected with greater expression differences in blood plasma when comparing mpox patients and healthy subjects, suggesting a promising alternative to be applied in screening or diagnostic platforms for mpox salivary diagnostics coupled to OMICs.
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Affiliation(s)
- Marcelo Augusto Garcia-Junior
- Innovation Center in Salivary Diagnostics and Nanobiotechnology, Laboratory of Nanobiotechnology – “Luiz Ricardo Goulart”, Department of Physiology, Institute of Biomedical Sciences, Federal University of Uberlandia, Uberlândia 38496-017, Brazil (M.G.-V.)
| | - Bruno Silva Andrade
- Laboratory of Bioinformatics and Computational Chemistry, Department of Biological Sciences, State University of Southwest of Bahia (UESB), Jequié 45083-900, Brazil
| | - Marco Guevara-Vega
- Innovation Center in Salivary Diagnostics and Nanobiotechnology, Laboratory of Nanobiotechnology – “Luiz Ricardo Goulart”, Department of Physiology, Institute of Biomedical Sciences, Federal University of Uberlandia, Uberlândia 38496-017, Brazil (M.G.-V.)
| | - Igor Santana de Melo
- Department of Histology and Embryology, Institute of Biological Sciences and Health, Federal University of Alagoas (UFAL), Maceió 57072-260, Brazil
| | - Thúlio M. Cunha
- Department of Pulmonology, School of Medicine, Federal University of Uberlandia, Uberlândia 38496-017, Brazil
| | - Ana Carolina Gomes Jardim
- Laboratory of Antiviral Research, Department of Microbiology, Institute of Biomedical Sciences, Federal University of Uberlandia, Uberlândia 38496-017, Brazil
| | - Robinson Sabino-Silva
- Innovation Center in Salivary Diagnostics and Nanobiotechnology, Laboratory of Nanobiotechnology – “Luiz Ricardo Goulart”, Department of Physiology, Institute of Biomedical Sciences, Federal University of Uberlandia, Uberlândia 38496-017, Brazil (M.G.-V.)
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Kim H, Kwon R, Lee H, Lee SW, Rahmati M, Koyanagi A, Smith L, Kim MS, López Sánchez GF, Elena D, Yeo SG, Shin JI, Cho W, Yon DK. Viral load dynamics and shedding kinetics of mpox infection: a systematic review and meta-analysis. J Travel Med 2023; 30:taad111. [PMID: 37581603 DOI: 10.1093/jtm/taad111] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 07/28/2023] [Accepted: 08/09/2023] [Indexed: 08/16/2023]
Abstract
BACKGROUND Viral load dynamics and shedding kinetics are critical factors for studying infectious diseases. However, evidence on the viral dynamics of mpox remains limited and inconclusive. Thus, we aimed to provide a comprehensive understanding of the viral load and viability of the re-emerged mpox virus since 2022. METHODS For this systematic review and meta-analysis, we searched PubMed/MEDLINE, Embase and Google Scholar for published articles that are related to mpox viral dynamics up to April 2023. RESULTS From 19 studies, 880 samples and 1477 specimens were collected. The pooled median Ct values appeared in the following order: skin lesion [Ct value 21.7 (IQR 17.8-25.5)], anorectal [22.3 (16.9-27.6)], saliva [25.9 (22.5-31.1)], oral [29.0 (24.5-32.8)], semen [29.6 (25.9-33.4)], urine [30.5 (24.6-36.4)], pharyngeal [31.9 (26.5-37.3)], urethra [33.0 (28.0-35.0)] and blood [33.2 (30.4-36.1)]. People living with human immunodeficiency virus (HIV) have a lower Ct value in the skin [skin HIV+, 19.2 (18.3-20.0) vs skin HIV-, 25.4 (21.2-29.0)]. From the Ct values and test day since symptom onset, we identified temporal trends of viral load for each specimen type. Changes in the trend were observed at 4 days in saliva, 5 days in blood, 6 days in skin, 7 days in anorectal, urine, semen and pharyngeal and 8 days in the urethra. We determined optimal Ct cutoff values for anorectal (34.0), saliva (27.7) and urethra (33.0) specimens, where a Ct value above each cutoff suggests minimal viral viability. Using these cutoff values, we derived the duration of viable viral isolation in each specific specimen type (anorectal 19 days, saliva 14 days and urethra 14 days). CONCLUSION Skin lesion, anorectal and saliva samples contained the highest viral load. The peak viral load manifests within 4-8 days after symptom onset, and viable virus detection was presumed to cease within 14-19 days from symptom onset in anorectal, saliva and urethral samples.
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Affiliation(s)
- Hakyoung Kim
- Department of Medicine, Kyung Hee University College of Medicine, Seoul 02447, South Korea
| | - Rosie Kwon
- Center for Digital Health, Medical Science Research Institute, Kyung Hee University Medical Center, Kyung Hee University College of Medicine, Seoul 02447, South Korea
- Department of Regulatory Science, Kyung Hee University, Seoul 02447, South Korea
| | - Hojae Lee
- Center for Digital Health, Medical Science Research Institute, Kyung Hee University Medical Center, Kyung Hee University College of Medicine, Seoul 02447, South Korea
- Department of Regulatory Science, Kyung Hee University, Seoul 02447, South Korea
| | - Seung Won Lee
- Department of Precision Medicine, Sungkyunkwan University School of Medicine, Suwon 16419, South Korea
| | - Masoud Rahmati
- Department of Physical Education and Sport Sciences, Faculty of Literature and Human Sciences, Lorestan University, Khoramabad 6815144316, Iran
- Department of Physical Education and Sport Sciences, Faculty of Literature and Humanities, Vali-E-Asr University of Rafsanjan, Rafsanjan 7718897111, Iran
| | - Ai Koyanagi
- Research and Development Unit, Parc Sanitari Sant Joan de Deu, Barcelona 08830, Spain
| | - Lee Smith
- Centre for Health, Performance and Wellbeing, Anglia Ruskin University, Cambridge CB1 1PT, UK
| | - Min Seo Kim
- Cardiovascular Disease Initiative, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA
| | - Guillermo F López Sánchez
- Division of Preventive Medicine and Public Health, Department of Public Health Sciences, School of Medicine, University of Murcia, Murcia 30120, Spain
| | - Dragioti Elena
- Department of Medical and Health Sciences, Pain and Rehabilitation Centre, Linköping University, Linköping 581 83, Sweden
- Research Laboratory Psychology of Patients, Families, and Health Professionals, Department of Nursing, School of Health Sciences, University of Ioannina, Ioannina 45221, Greece
| | - Seung Geun Yeo
- Department of Otolaryngology - Head & Neck Surgery, Kyung Hee University Medical Center, Kyung Hee University College of Medicine, Seoul 02447, South Korea
| | - Jae Il Shin
- Department of Pediatrics, Yonsei University College of Medicine, Seoul 03722, South Korea
- Severance Underwood Meta-research Center, Institute of Convergence Science, Yonsei University, Seoul 03722, South Korea
| | - Wonyoung Cho
- Center for Digital Health, Medical Science Research Institute, Kyung Hee University Medical Center, Kyung Hee University College of Medicine, Seoul 02447, South Korea
| | - Dong Keon Yon
- Center for Digital Health, Medical Science Research Institute, Kyung Hee University Medical Center, Kyung Hee University College of Medicine, Seoul 02447, South Korea
- Department of Regulatory Science, Kyung Hee University, Seoul 02447, South Korea
- Department of Pediatrics, Kyung Hee University Medical Center, Kyung Hee University College of Medicine, Seoul 02447, South Korea
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Stilpeanu RI, Stercu AM, Stancu AL, Tanca A, Bucur O. Monkeypox: a global health emergency. Front Microbiol 2023; 14:1094794. [PMID: 37180247 PMCID: PMC10169603 DOI: 10.3389/fmicb.2023.1094794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 03/20/2023] [Indexed: 05/16/2023] Open
Abstract
Over the past 2 years, the world has faced the impactful Coronavirus Disease-2019 (COVID-19) pandemic, with a visible shift in economy, medicine, and beyond. As of recent times, the emergence of the monkeypox (mpox) virus infections and the growing number of infected cases have raised panic and fear among people, not only due to its resemblance to the now eradicated smallpox virus, but also because another potential pandemic could have catastrophic consequences, globally. However, studies of the smallpox virus performed in the past and wisdom gained from the COVID-19 pandemic are the two most helpful tools for humanity that can prevent major outbreaks of the mpox virus, thus warding off another pandemic. Because smallpox and mpox are part of the same virus genus, the Orthopoxvirus genus, the structure and pathogenesis, as well as the transmission of both these two viruses are highly similar. Because of these similarities, antivirals and vaccines approved and licensed in the past for the smallpox virus are effective and could successfully treat and prevent an mpox virus infection. This review discusses the main components that outline this current global health issue raised by the mpox virus, by presenting it as a whole, and integrating aspects such as its structure, pathogenesis, clinical aspects, prevention, and treatment options, and how this ongoing phenomenon is being globally approached.
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Affiliation(s)
- Ruxandra Ilinca Stilpeanu
- Victor Babes National Institute of Pathology, Bucharest, Romania
- Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Ana Maria Stercu
- Victor Babes National Institute of Pathology, Bucharest, Romania
- Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Andreea Lucia Stancu
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States
| | - Antoanela Tanca
- Victor Babes National Institute of Pathology, Bucharest, Romania
- Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Octavian Bucur
- Victor Babes National Institute of Pathology, Bucharest, Romania
- Viron Molecular Medicine Institute, Boston, MA, United States
- Genomics Research and Development Institute, Bucharest, Romania
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Transmission and detection of monkeypox virus in saliva (part II): Implications for sequential monitoring of viral load. J Dent Sci 2023:S1991-7902(22)00348-8. [PMID: 36624779 PMCID: PMC9812362 DOI: 10.1016/j.jds.2022.12.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 12/25/2022] [Indexed: 01/06/2023] Open
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Human Monkeypox: Oral Implications and Recommendations for Oral Screening and Infection Control in Dental Practice. J Pers Med 2022; 12:jpm12122000. [PMID: 36556221 PMCID: PMC9788482 DOI: 10.3390/jpm12122000] [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: 11/17/2022] [Revised: 11/28/2022] [Accepted: 11/29/2022] [Indexed: 12/11/2022] Open
Abstract
The World Health Organization declared the spread of the human monkeypox virus (MPXV) an "emerging threat of moderate health concern" on 23 June 2022. Although about 20,000 cases of Monkeypox (MPX) were recorded in Europe and more than 28,000 in the United States from May to October 2022, their number is still small compared to the number of dental patients treated annually. Therefore, the likelihood of oral healthcare workers encountering an MPX case is relatively low in not endemic regions. In addition, MPX-positive individuals are considered contagious only during the prodromal or acute phase. However, the exact shedding and transmission routes of MPX and the associated risk of transmission in the dental setting remain unclear. Moreover, infected subjects whose disease is confined to the head and neck may require oral and dental care because they complain of lymphadenopathy involving the cervical lymph nodes. Furthermore, MPX lesions may first appear in the oral cavity or perioral area. Therefore, given the recent spread of MPXV in non-endemic areas where dentists are not used to considering this disease in the differential diagnosis and taking appropriate preventive measures, all oral healthcare providers nowadays should be aware of the oral presentation of MPX for adequate oral screening and appropriate preventive measures for infection control in the dental practice.
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