Evidence map›Paper›PMID 37723180›Full record

ArticleScientific reports2023

A multispecies competitive nanobody-based ELISA for the detection of antibodies against hepatitis E virus.

Lorena Paola Arce, María Florencia Pavan, Marina Bok, Silvina Elena Gutiérrez, Silvia Marcela Estein, Agostina Tammone Santos, Walter Ezequiel Condorí, Marcela María Uhart, Viviana Parreño, María Guadalupe Vizoso-Pinto and 1 more

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
3.5field-weighted citation impact, top 6% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

9 citing papers in PubMed, 17 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors at 4 institutions in 2 countries.

Lorena Paola ArceInfection Biology Laboratory, Faculty of Medicine and Instituto Superior de Investigaciones Biológicas (INSIBIO), CONICET-UNT, T4000ILI, Tucumán, Argentina.
María Florencia PavanLaboratorio de Ingeniería de Anticuerpos, Instituto de Química, Física de los Materiales, Medio ambiente y Energía (INQUIMAE-CONICET), C1428EGA, Ciudad Autónoma de Buenos Aires, Argentina.
Marina BokIncuINTA, Instituto de Virología, Instituto Nacional de Tecnología Agropecuaria (INTA), 1686, Husrlingham, Argentina.
Silvina Elena GutiérrezUniversidad Nacional del Centro de la Provincia de Buenos Aires, Facultad de Ciencias Veterinarias, Núcleo SAMP, Centro de Investigación Veterinaria de Tandil (UNCPBA-CICPBA-CONICET), B7000GHG, Tandil, Buenos Aires, Argentina.
Silvia Marcela EsteinUniversidad Nacional del Centro de la Provincia de Buenos Aires, Facultad de Ciencias Veterinarias, Núcleo SAMP, Centro de Investigación Veterinaria de Tandil (UNCPBA-CICPBA-CONICET), B7000GHG, Tandil, Buenos Aires, Argentina.
Agostina Tammone SantosUniversidad Nacional del Centro de la Provincia de Buenos Aires, Facultad de Ciencias Veterinarias, Núcleo SAMP, Centro de Investigación Veterinaria de Tandil (UNCPBA-CICPBA-CONICET), B7000GHG, Tandil, Buenos Aires, Argentina.
Walter Ezequiel CondoríUniversidad Nacional del Centro de la Provincia de Buenos Aires, Facultad de Ciencias Veterinarias, Núcleo SAMP, Centro de Investigación Veterinaria de Tandil (UNCPBA-CICPBA-CONICET), B7000GHG, Tandil, Buenos Aires, Argentina.
Marcela María UhartOne Health Institute, School of Veterinary Medicine, University of California Davis, Davis, CA, 95616, USA.
Viviana ParreñoIncuINTA, Instituto de Virología, Instituto Nacional de Tecnología Agropecuaria (INTA), 1686, Husrlingham, Argentina.
María Guadalupe Vizoso-Pinto *Infection Biology Laboratory, Faculty of Medicine and Instituto Superior de Investigaciones Biológicas (INSIBIO), CONICET-UNT, T4000ILI, Tucumán, Argentina. mgvizoso@fm.unt.edu.ar.
Lorena Itatí Ibañez *Laboratorio de Ingeniería de Anticuerpos, Instituto de Química, Física de los Materiales, Medio ambiente y Energía (INQUIMAE-CONICET), C1428EGA, Ciudad Autónoma de Buenos Aires, Argentina. loreitati@gmail.com.
Consejo Nacional de Investigaciones Científicas y Técnicas · ARNational Agricultural Technology Institute · ARUniversidad Nacional del Centro de la Provincia de Buenos Aires · ARUniversity of California, Davis · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The hepatitis E virus (HEV) is an emergent zoonotic virus causing viral hepatitis worldwide. Clinically, hepatitis E is not easily distinguished from other types of acute viral hepatitis. There is a need for HEV diagnostic assays to detect and prevent interspecies transmission among susceptible populations. Nanobodies (Nbs) are expressed recombinantly in different systems, produced with high yields, and have superior physicochemical properties compared with conventional antibodies (Ab). Several Nbs against ORF2, the capsid protein and main antigen, were selected and produced in E. coli. Nb39 and Nb74 specifically recognized HEV ORF2 (genotypes 3 and 4). A competitive ELISA (cELISA) was developed and validated using a reference panel of human (n = 86) and swine sera (n = 116) tested in comparison with a commercial kit. The optimal cutoff values determined by ROC analysis were 69.16% (human) and 58.76% (swine); the sensitivity and specificity were high: 97.4% (95% CI 86.5-99.5%) and 95.8% (95% CI 86.0-98.8%) for human vs. 100% (95% CI 93.5-100%) and 98.3% (95% CI 91.0-99.7%) for swine. Further, the cELISA detected total anti-HEV antibodies in wild boar, deer, and mice. To our knowledge, this is the first report of production of Nbs against HEV-3 ORF2 for diagnostic purposes.

Indexed as

DeerHepatitis E virusSingle-Domain AntibodiesAnimalsAntibodiesEnzyme-Linked Immunosorbent AssayEscherichia coliHumansMiceSwineAntibodiesSingle-Domain Antibodies

Identifiers

PMID37723180
PMCPMC10507121
OpenAlexW4386829131

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.