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Luvira V, Thawornkuno C, Lawpoolsri S, Thippornchai N, Duangdee C, Ngamprasertchai T, Leaungwutiwong P. Diagnostic Performance of Dengue NS1 and Antibodies by Serum Concentration Technique. Trop Med Infect Dis 2023; 8:tropicalmed8020117. [PMID: 36828533 PMCID: PMC9963119 DOI: 10.3390/tropicalmed8020117] [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: 12/16/2022] [Revised: 02/03/2023] [Accepted: 02/06/2023] [Indexed: 02/17/2023] Open
Abstract
Dengue infection has been a public health problem worldwide, especially in tropical areas. A lack of sensitive diagnostic methods in the early phase of the illness is one of the challenging problems in clinical practices. We, herein, analyzed 86 sera of acute febrile patients, from both dengue and non-dengue febrile illness, to study the diagnostic performance of dengue diagnostics. When compared with detection by Polymerase Chain Reaction (PCR), dengue NS1 detection by enzyme-linked immunosorbent assay (ELISA) had the highest sensitivity of 82.4% (with 94.3% specificity), while NS1 by rapid diagnostic test (RDT) had 76.5% sensitivity. IgM detection by ELISA and RDT showed only 27.5% and 17.9% sensitivity, respectively. The combination of NS1 and IgM in RDT yielded a sensitivity of 78.4%, with 97.1% specificity. One of the essential steps in making a diagnosis from patient samples is the preparation process. At present, a variety of techniques have been used to increase the number of analytes in clinical samples. In this study, we focused on the sample concentration method. The sera were concentrated three times with the ultrafiltration method using a 10 kDa molecular weight cut-off membrane. The results showed an increase in the sensitivity of RDT-NS1 detection at 80.4%, with 100% specificity. When combining NS1 and IgM detection, the concentration method granted RDT an 82.4% sensitivity, with 100% specificity. In conclusion, serum concentration by the ultrafiltration method is a simple and applicable technique. It could increase the diagnostic performance of point-of-care dengue diagnostics.
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Affiliation(s)
- Viravarn Luvira
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
| | - Charin Thawornkuno
- Department of Molecular Tropical Medicine and Genetics, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
| | - Saranath Lawpoolsri
- Department of Tropical Hygiene, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
| | - Narin Thippornchai
- Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
| | - Chatnapa Duangdee
- Hospital for Tropical Diseases, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
| | - Thundon Ngamprasertchai
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
| | - Pornsawan Leaungwutiwong
- Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
- Correspondence: ; Tel.: +66-9-9261-9545
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Deza-Cruz I, Mill A, Rushton S, Kelly P. Comparison of the Use of Serum and Plasma as Matrix Specimens in a Widely Used Noncommercial Dengue IgG ELISA. Am J Trop Med Hyg 2019; 101:456-458. [PMID: 31190684 PMCID: PMC6685565 DOI: 10.4269/ajtmh.19-0112] [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: 02/06/2019] [Accepted: 03/05/2019] [Indexed: 11/07/2022] Open
Abstract
Although sera are most commonly used in serological diagnostic tests for dengue, sometimes only plasma containing ethylenediaminetetraacetic acid (EDTA) may be available. When we studied the performance of a widely used noncommercial dengue ELISA in the detection of reactive IgG in sera and plasma from the same individuals, we found no significant differences in the diagnostic performance of the assay. The inter-specimen coefficient of variation (CV) of the optical density was 0.081 and the concordance correlation coefficient (CCC) was 0.92, showing a very strong agreement between the two matrix specimens. The intra-specimen CV and CCC were higher for plasma than for serum at low dilutions, but similar at high dilutions. Overall, our results show that the performance of a widely used in-house ELISA using plasma containing EDTA is equivalent to serum with the recommendation to assay the plasma specimens in duplicate to reduce variability of results at lower dilutions.
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Affiliation(s)
- Iñaki Deza-Cruz
- Modelling Evidence and Policy Group, School of Natural and Environmental Sciences, Newcastle University, Newcastle-upon-Tyne, United Kingdom
- Ross University School of Veterinary Medicine, Basseterre, St. Kitts and Nevis
| | - Aileen Mill
- Modelling Evidence and Policy Group, School of Natural and Environmental Sciences, Newcastle University, Newcastle-upon-Tyne, United Kingdom
| | - Steven Rushton
- Modelling Evidence and Policy Group, School of Natural and Environmental Sciences, Newcastle University, Newcastle-upon-Tyne, United Kingdom
| | - Patrick Kelly
- Ross University School of Veterinary Medicine, Basseterre, St. Kitts and Nevis
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Rüdt M, Vormittag P, Hillebrandt N, Hubbuch J. Process monitoring of virus-like particle reassembly by diafiltration with UV/Vis spectroscopy and light scattering. Biotechnol Bioeng 2019; 116:1366-1379. [PMID: 30684365 PMCID: PMC6593973 DOI: 10.1002/bit.26935] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 01/14/2019] [Accepted: 01/22/2019] [Indexed: 12/20/2022]
Abstract
Virus-like particles (VLPs) have shown great potential as biopharmaceuticals in the market and in clinics. Nonenveloped, in vivo assembled VLPs are typically disassembled and reassembled in vitro to improve particle stability, homogeneity, and immunogenicity. At the industrial scale, cross-flow filtration (CFF) is the method of choice for performing reassembly by diafiltration. Here, we developed an experimental CFF setup with an on-line measurement loop for the implementation of process analytical technology (PAT). The measurement loop included an ultraviolet and visible (UV/Vis) spectrometer as well as a light scattering photometer. These sensors allowed for monitoring protein concentration, protein tertiary structure, and protein quaternary structure. The experimental setup was tested with three Hepatitis B core Antigen (HBcAg) variants. With each variant, three reassembly processes were performed at different transmembrane pressures (TMPs). While light scattering provided information on the assembly progress, UV/Vis allowed for monitoring the protein concentration and the rate of VLP assembly based on the microenvironment of Tyrosine-132. VLP formation was verified by off-line dynamic light scattering (DLS) and transmission electron microscopy (TEM). Furthermore, the experimental results provided evidence of aggregate-related assembly inhibition and showed that off-line size-exclusion chromatography does not provide a complete picture of the particle content. Finally, a Partial-Least Squares (PLS) model was calibrated to predict VLP concentrations in the process solution. Q 2 values of 0.947-0.984 were reached for the three HBcAg variants. In summary, the proposed experimental setup provides a powerful platform for developing and monitoring VLP reassembly steps by CFF.
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Affiliation(s)
- Matthias Rüdt
- Institute of Engineering in Life Sciences, Section IV: Biomolecular Separation EngineeringKarlsruhe Institute of Technology (KIT)KarlsruheGermany
| | - Philipp Vormittag
- Institute of Engineering in Life Sciences, Section IV: Biomolecular Separation EngineeringKarlsruhe Institute of Technology (KIT)KarlsruheGermany
| | - Nils Hillebrandt
- Institute of Engineering in Life Sciences, Section IV: Biomolecular Separation EngineeringKarlsruhe Institute of Technology (KIT)KarlsruheGermany
| | - Jürgen Hubbuch
- Institute of Engineering in Life Sciences, Section IV: Biomolecular Separation EngineeringKarlsruhe Institute of Technology (KIT)KarlsruheGermany
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Basile AJ, Goodman C, Horiuchi K, Sloan A, Johnson BW, Kosoy O, Laven J, Panella AJ, Sheets I, Medina F, Mendoza EJ, Epperson M, Maniatis P, Semenova V, Steward-Clark E, Wong E, Biggerstaff BJ, Lanciotti R, Drebot M, Safronetz D, Schiffer J. Multi-laboratory comparison of three commercially available Zika IgM enzyme-linked immunosorbent assays. J Virol Methods 2018; 260:26-33. [PMID: 29964076 PMCID: PMC7176053 DOI: 10.1016/j.jviromet.2018.06.018] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 06/06/2018] [Accepted: 06/28/2018] [Indexed: 11/17/2022]
Affiliation(s)
- Alison Jane Basile
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, United States.
| | - Christin Goodman
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, United States
| | - Kalanthe Horiuchi
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, United States
| | - Angela Sloan
- Zoonotic Diseases and Special Pathogens, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
| | - Barbara W Johnson
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, United States
| | - Olga Kosoy
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, United States
| | - Janeen Laven
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, United States
| | - Amanda J Panella
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, United States
| | - Isabel Sheets
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, United States
| | - Freddy Medina
- Dengue Branch, Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, San Juan, Puerto Rico, United States
| | - Emelissa J Mendoza
- Zoonotic Diseases and Special Pathogens, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
| | - Monica Epperson
- Microbial Pathogenesis and Immune Response Laboratory, Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Panagiotis Maniatis
- Microbial Pathogenesis and Immune Response Laboratory, Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Vera Semenova
- Microbial Pathogenesis and Immune Response Laboratory, Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Evelene Steward-Clark
- Microbial Pathogenesis and Immune Response Laboratory, Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Emily Wong
- Microbial Pathogenesis and Immune Response Laboratory, Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
| | - Brad J Biggerstaff
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, United States
| | - Robert Lanciotti
- Division of Vector-Borne Diseases, Centers for Disease Control and Prevention, Fort Collins, CO, United States
| | - Michael Drebot
- Zoonotic Diseases and Special Pathogens, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
| | - David Safronetz
- Zoonotic Diseases and Special Pathogens, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, Manitoba, Canada
| | - Jarad Schiffer
- Microbial Pathogenesis and Immune Response Laboratory, Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, GA, United States
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Richard V, Aubry M. Method for simple and rapid concentration of Zika virus particles from infected cell-culture supernatants. J Virol Methods 2018; 255:82-83. [PMID: 29474814 DOI: 10.1016/j.jviromet.2018.02.014] [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: 10/09/2017] [Revised: 01/25/2018] [Accepted: 02/19/2018] [Indexed: 10/18/2022]
Abstract
Experimental studies on Zika virus (ZIKV) may require improvement of infectious titers in viral stocks obtained by cell culture amplification. The use of centrifugal filter devices to increase infectious titers of ZIKV from cell-culture supernatants is highlighted here. A mean gain of 2.33 ± 0.12 log10 DICT50/mL was easily and rapidly obtained with this process. This efficient method of ultrafiltration may be applied to other viruses and be useful in various experimental studies requiring high viral titers.
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Affiliation(s)
- Vaea Richard
- Institut Louis Malardé, PO Box 30, 98713 Papeete, French Polynesia; Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, IHU-Méditerranée Infection, Marseille, France.
| | - Maite Aubry
- Institut Louis Malardé, PO Box 30, 98713 Papeete, French Polynesia; Aix Marseille Univ, IRD, AP-HM, SSA, VITROME, IHU-Méditerranée Infection, Marseille, France
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Yamanaka A, Moi ML, Takasaki T, Kurane I, Matsuda M, Suzuki R, Konishi E. Utility of Japanese encephalitis virus subgenomic replicon-based single-round infectious particles as antigens in neutralization tests for Zika virus and three other flaviviruses. J Virol Methods 2017; 243:164-171. [PMID: 28219763 DOI: 10.1016/j.jviromet.2017.02.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Revised: 02/16/2017] [Accepted: 02/17/2017] [Indexed: 11/18/2022]
Abstract
The introduction of a foreign virus into an area may cause an outbreak, as with the Zika virus (ZIKV) outbreak in the Americas. Preparedness for handling a viral outbreak involves the development of tests for the serodiagnosis of foreign virus infections. We previously established a gene-based technology to generate some flaviviral antigens useful for functional antibody assays. The technology utilizes a Japanese encephalitis virus subgenomic replicon to generate single-round infectious particles (SRIPs) that possess designed surface antigens. In the present study, we successfully expanded the capacity of SRIPs to four human-pathogenic mosquito-borne flaviviruses that could potentially be introduced from endemic to non-endemic countries: ZIKV, Sepik virus, Wesselsbron virus, and Usutu virus. Flavivirus-crossreactive monoclonal antibodies dose-dependently neutralized these SRIPs. ZIKV-SRIPs also produced antibody-dose-dependent neutralization curves equivalent to those shown by authentic ZIKV particles using sera from a Zika fever patient. The faithful expression of designed surface antigens on SRIPs will allow their use in neutralization tests to diagnose foreign flaviviral infections.
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Affiliation(s)
- Atsushi Yamanaka
- BIKEN Endowed Department of Dengue Vaccine Development, Faculty of Tropical Medicine, Mahidol University,420/6 Ratchawithi Road, Ratchathewi, Bangkok 10400, Thailand(3); BIKEN Endowed Department of Dengue Vaccine Development, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamada-oka, Suita, Osaka, 565-0871, Japan.
| | - Meng Ling Moi
- Department of Virology I, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo, 162-8640, Japan
| | - Tomohiko Takasaki
- Department of Virology I, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo, 162-8640, Japan
| | - Ichiro Kurane
- National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Mami Matsuda
- Department of Virology II, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Ryosuke Suzuki
- Department of Virology II, National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Eiji Konishi
- BIKEN Endowed Department of Dengue Vaccine Development, Faculty of Tropical Medicine, Mahidol University,420/6 Ratchawithi Road, Ratchathewi, Bangkok 10400, Thailand(3); BIKEN Endowed Department of Dengue Vaccine Development, Research Institute for Microbial Diseases, Osaka University, 3-1 Yamada-oka, Suita, Osaka, 565-0871, Japan
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Richard V, Viallon J, Cao-Lormeau VM. Use of Centrifugal Filter Devices to Concentrate Dengue Virus in Mosquito per os Infection Experiments. PLoS One 2015; 10:e0138161. [PMID: 26372347 PMCID: PMC4570664 DOI: 10.1371/journal.pone.0138161] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Accepted: 08/25/2015] [Indexed: 12/15/2022] Open
Abstract
Dengue virus (DENV) is an arbovirus transmitted to humans by the bite of infected Aedes mosquitoes. Experimental per os infection of mosquitoes with DENV is usually a preliminary step in virus/vector studies but it requires being able to prepare artificial blood-meals with high virus titers. We report here the convenient use of centrifugal filter devices to quickly concentrate DENV particles in cell-culture supernatants. The median viral titer in concentrated-supernatants was 8.50 log10 TCID50/mL. By using these DENV concentrated-supernatants to prepare infectious blood-meals in Aedes aegypti per os infection experiments, we obtained a mean mosquito-infection rate of 94%. We also evaluated the use of centrifugal filter devices to recover DENV particles from non-infectious blood-meals presented to infected mosquitoes through a feeding membrane to collect their saliva.
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Affiliation(s)
- Vaea Richard
- Institut Louis Malardé, Papeete, French Polynesia
- * E-mail:
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Liew MW, Chuan YP, Middelberg AP. Reactive diafiltration for assembly and formulation of virus-like particles. Biochem Eng J 2012. [DOI: 10.1016/j.bej.2012.07.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Koho T, Mäntylä T, Laurinmäki P, Huhti L, Butcher SJ, Vesikari T, Kulomaa MS, Hytönen VP. Purification of norovirus-like particles (VLPs) by ion exchange chromatography. J Virol Methods 2012; 181:6-11. [DOI: 10.1016/j.jviromet.2012.01.003] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2011] [Revised: 01/03/2012] [Accepted: 01/05/2012] [Indexed: 01/17/2023]
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Eppler A, Weigandt M, Schulze S, Hanefeld A, Bunjes H. Comparison of different protein concentration techniques within preformulation development. Int J Pharm 2011; 421:120-9. [DOI: 10.1016/j.ijpharm.2011.09.028] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2011] [Revised: 09/18/2011] [Accepted: 09/21/2011] [Indexed: 11/30/2022]
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A comparison of methods for purification and concentration of norovirus GII-4 capsid virus-like particles. Arch Virol 2010; 155:1855-8. [PMID: 20721592 PMCID: PMC2970802 DOI: 10.1007/s00705-010-0768-z] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2010] [Accepted: 07/22/2010] [Indexed: 12/28/2022]
Abstract
Noroviruses (NoVs) are one of the leading causes of acute gastroenteritis worldwide. NoV GII-4 VP1 protein was expressed in a recombinant baculovirus system using Sf9 insect cells. Several methods for purification and concentration of virus-like particles (VLPs) were evaluated. Electron microscopy (EM) and histo-blood group antigen (HBGA) binding assays showed that repeated sucrose gradient purification followed by ultrafiltration resulted in intact VLPs with excellent binding to H type 3 antigens. VLPs were stable for at least 12 months at 4°C, and up to 7 days at ambient temperature. These findings indicate that this method yielded stable and high-quality VLPs.
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Velez JO, Russell BJ, Hughes HR, Chang GJJ, Johnson BW. Microcarrier culture of COS-1 cells producing Japanese encephalitis and dengue virus serotype 4 recombinant virus-like particles. J Virol Methods 2008; 151:230-236. [DOI: 10.1016/j.jviromet.2008.05.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2007] [Revised: 04/15/2008] [Accepted: 05/08/2008] [Indexed: 11/26/2022]
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