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Peng Y, Hu R, Xue S, He Y, Tian L, Pang Z, He Y, Dong Y, Shi Y, Wang S, Hong B, Liu K, Wang R, Song L, Fan H, Li M, Tong Y. Rapid and highly sensitive colorimetric LAMP assay and integrated device for visual detection of monkeypox virus. Anal Chim Acta 2024; 1311:342720. [PMID: 38816155 DOI: 10.1016/j.aca.2024.342720] [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: 01/03/2024] [Revised: 04/30/2024] [Accepted: 05/12/2024] [Indexed: 06/01/2024]
Abstract
BACKGROUND The monkeypox virus (MPXV) is a linear double-stranded DNA virus with a large genome that causes tens of thousands of infections and hundreds of deaths in at least 40 countries and regions worldwide. Therefore, timely and accurate diagnostic testing could be an important measure to prevent the ongoing spread of MPXV and widespread epidemics. RESULTS Here, we designed multiple sets of primers for the target region of MPXV for loop-mediated isothermal amplification (LAMP) detection and identified the optimal primer set. Then, the specificity in fluorescent LAMP detection was verified using the plasmids containing the target gene, pseudovirus and other DNA/RNA viruses. We also evaluated the sensitivity of the colorimetric LAMP detection system using the plasmid and pseudovirus samples, respectively. Besides, we used monkeypox pseudovirus to simulate real samples for detection. Subsequent to the establishment and introduction of a magnetic beads (MBs)-based nucleic acid extraction technique, an integrated device was developed, characterized by rapidity, high sensitivity, and remarkable specificity. This portable system demonstrated a visual detection limit of 137 copies/mL, achieving sample-to-answer detection within 1 h. SIGNIFICANCE The device has the advantages of integration, simplicity, miniaturization, and visualization, which help promote the realization of accurate, rapid, portable, and low-cost testing. Meanwhile, this platform could facilitate efficient, cost-effective and easy-operable point-of-care testing (POCT) in diverse resource-limited settings in addition to the laboratory.
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Affiliation(s)
- Yadan Peng
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Ruolan Hu
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Shuang Xue
- College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yugan He
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Lili Tian
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Zehan Pang
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yile He
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yuqi Dong
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yinghan Shi
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Shuqi Wang
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Bixia Hong
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Ke Liu
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Ruixue Wang
- College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Lihua Song
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Huahao Fan
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China; School of Life Sciences, Tianjin University, Tianjin, 300072, China.
| | - Mengzhe Li
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Yigang Tong
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, China; Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
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Andrei G, Snoeck R. Differences in pathogenicity among the mpox virus clades: impact on drug discovery and vaccine development. Trends Pharmacol Sci 2023; 44:719-739. [PMID: 37673695 DOI: 10.1016/j.tips.2023.08.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 08/11/2023] [Accepted: 08/11/2023] [Indexed: 09/08/2023]
Abstract
Since May 2022, mpox virus (MPXV) has attracted considerable attention due to a multi-country outbreak. Marked differences in epidemiology, transmission, and pathology between the 2022 global mpox outbreak (clade IIb) and classical mpox disease, endemic in Africa (clades I and IIa) have been highlighted. MPXV genome analysis has identified the genomic changes characterizing clade IIb and the drivers of MPXV rapid evolution. Although mpox cases have largely declined, MPXV cryptic transmission and microevolution continues, which may lead to an MPXV of unpredictable pathogenicity. Vaccines and antivirals developed against variola virus, the agent that caused the extinguished plague smallpox, have been used to contain the 2022 mpox outbreak. In this review article, recent findings on MPXV origin and evolution and relevant models able to recapitulate differences in MPXV pathogenicity, which are important for drug and vaccine development, are discussed.
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Affiliation(s)
- Graciela Andrei
- Laboratory of Virology and Chemotherapy, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium.
| | - Robert Snoeck
- Laboratory of Virology and Chemotherapy, Rega Institute for Medical Research, KU Leuven, Leuven, Belgium
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Betancort-Plata C, Lopez-Delgado L, Jaén-Sanchez N, Tosco-Nuñez T, Suarez-Hormiga L, Lavilla-Salgado C, Pisos-Álamo E, Hernández-Betancor A, Hernández-Cabrera M, Carranza-Rodríguez C, Briega-Molina M, Pérez-Arellano JL. Monkeypox and HIV in the Canary Islands: A Different Pattern in a Mobile Population. Trop Med Infect Dis 2022; 7:318. [PMID: 36288059 PMCID: PMC9608065 DOI: 10.3390/tropicalmed7100318] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 10/11/2022] [Accepted: 10/14/2022] [Indexed: 09/01/2023] Open
Abstract
BACKGROUND The clinical and epidemiological data of the recent outbreak of monkeypox (MPX) differ from previous reports. One difference is the epidemiological profile; the disease mainly affects a subgroup of MSM (men who have sex with men) with high-risk sexual behaviors, frequently persons living with human immunodeficiency virus (PLHIV). METHODS In this observational analysis, all patients with PCR (polymerase chain reaction)-confirmed MPX attending an Infectious Diseases and Tropical Medicine Unit in Gran Canaria (Spain) between May and July 2022 were considered. RESULTS In total, 42 men were included; 88% were identified as MSM, with a median age of 40 years. Only 43% were born in Spain. All the patients had systemic symptoms and skin lesions. The distribution of lesions was more frequent in the genital/anal region, and the involvement of hands and feet was less common. Fever and lymphadenopathies were less frequent than in other series. Other unusual manifestations were proctitis, pharyngitis and penile-scrotal edema. Half of the patients had other associated infections (mainly STIs, sexually transmitted infections), and 60% of the monkeypox patients had PLHIV (People Living with HIV). When comparing the clinical characteristics between HIV-positive and -negative patients, we found three main differences: (i) a higher frequency of perioral lesions, (ii) a higher frequency of pharyngitis and (iii) a higher number of sexually transmitted infections in HIV-positive patients. CONCLUSIONS The clinical findings in this outbreak of MPX had great variability in presentation. Several clinical differences were found in PLHIV-coinfected patients.
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Affiliation(s)
- Christian Betancort-Plata
- Unidad de Enfermedades Infecciosas y Medicina Tropical, Hospital Universitario Insular de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
| | - Laura Lopez-Delgado
- Unidad de Enfermedades Infecciosas y Medicina Tropical, Hospital Universitario Insular de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
| | - Nieves Jaén-Sanchez
- Unidad de Enfermedades Infecciosas y Medicina Tropical, Hospital Universitario Insular de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
| | - Tomás Tosco-Nuñez
- Servicio de Microbiología y Parasitología, Hospital Universitario Insular de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
| | - Laura Suarez-Hormiga
- Unidad de Enfermedades Infecciosas y Medicina Tropical, Hospital Universitario Insular de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
| | - Carmen Lavilla-Salgado
- Unidad de Enfermedades Infecciosas y Medicina Tropical, Hospital Universitario Insular de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
| | - Elena Pisos-Álamo
- Unidad de Enfermedades Infecciosas y Medicina Tropical, Hospital Universitario Insular de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
- Departamento de Ciencias Médicas y Quirúrgicas, Universidad de Las Palmas de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
| | - Araceli Hernández-Betancor
- Servicio de Microbiología y Parasitología, Hospital Universitario Insular de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
| | - Michele Hernández-Cabrera
- Unidad de Enfermedades Infecciosas y Medicina Tropical, Hospital Universitario Insular de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
- Departamento de Ciencias Médicas y Quirúrgicas, Universidad de Las Palmas de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
| | - Cristina Carranza-Rodríguez
- Unidad de Enfermedades Infecciosas y Medicina Tropical, Hospital Universitario Insular de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
- Departamento de Ciencias Médicas y Quirúrgicas, Universidad de Las Palmas de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
| | - Marta Briega-Molina
- Unidad de Enfermedades Infecciosas y Medicina Tropical, Hospital Universitario Insular de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
| | - José-Luis Pérez-Arellano
- Unidad de Enfermedades Infecciosas y Medicina Tropical, Hospital Universitario Insular de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
- Departamento de Ciencias Médicas y Quirúrgicas, Universidad de Las Palmas de Gran Canaria, 35016 Las Palmas de Gran Canaria, Spain
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Current and Perspective Sensing Methods for Monkeypox Virus. Bioengineering (Basel) 2022; 9:bioengineering9100571. [PMID: 36290539 PMCID: PMC9598380 DOI: 10.3390/bioengineering9100571] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 10/13/2022] [Accepted: 10/14/2022] [Indexed: 11/17/2022] Open
Abstract
The outbreak of the monkeypox virus (MPXV) in non-endemic countries is an emerging global health threat and may have an economic impact if proactive actions are not taken. As shown by the COVID-19 pandemic, rapid, accurate, and cost-effective virus detection techniques play a pivotal role in disease diagnosis and control. Considering the sudden multicountry MPXV outbreak, a critical evaluation of the MPXV detection approaches would be a timely addition to the endeavors in progress for MPXV control and prevention. Herein, we evaluate the current MPXV detection methods, discuss their pros and cons, and provide recommended solutions to the problems. We review the traditional and emerging nucleic acid detection approaches, immunodiagnostics, whole-particle detection, and imaging-based MPXV detection techniques. The insights provided in this article will help researchers to develop novel techniques for the diagnosis of MPXV.
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Ghazvini K, Keikha M. Social networks and human monkeypox outbreak 2022: Hazards and opportunities - Correspondence. Int J Surg 2022; 104:106831. [PMID: 35961495 PMCID: PMC9534009 DOI: 10.1016/j.ijsu.2022.106831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 08/05/2022] [Indexed: 11/25/2022]
Affiliation(s)
- Kiarash Ghazvini
- Antimicrobial Resistance Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Microbiology and Virology, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Masoud Keikha
- Antimicrobial Resistance Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Microbiology and Virology, Mashhad University of Medical Sciences, Mashhad, Iran.
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