ArticleClinical and vaccine immunology : CVI2014
Performance of the BioPlex 2200 flow immunoassay in critical cases of serodiagnosis of toxoplasmosis.
Article in Clinical and vaccine immunology : CVI, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.
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Who cites it
10 citing papers in PubMed, 1 synthesis or guideline pooled it, 17 citations in OpenAlex.
- Anti-Toxoplasma IgG assays: What performances for what purpose? A systematic review.Parasite (Paris, France) · 2021Pooled it
- IgM Antibody Detection as a Diagnostic Marker for Acute Toxoplasmosis: Current Status of Studies and Main Limitations.Antibodies (Basel, Switzerland) · 2025Review
- Diagnostic applications of microsphere-based flow cytometry: A review.Experimental biology and medicine (Maywood, N.J.) · 2022Review
- Serological and molecular rapid diagnostic tests for Toxoplasma infection in humans and animals.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2020Review
- Detection of Anti-Analytical chemistry · 2019Article
- Detection of Salmonid IgM Specific to theFrontiers in immunology · 2019Article
- A Bead-Based Flow Cytometric Assay for Monitoring Yersinia pestis Exposure in Wildlife.Journal of clinical microbiology · 2018Article
- Towards Universal Screening for Toxoplasmosis: Rapid, Cost-Effective, and Simultaneous Detection of Anti-Toxoplasma IgG, IgM, and IgA Antibodies by Use of Very Small Serum Volumes.Journal of clinical microbiology · 2016Article
- Multiplexed Anti-Toxoplasma IgG, IgM, and IgA Assay on Plasmonic Gold Chips: towards Making Mass Screening Possible with Dye Test Precision.Journal of clinical microbiology · 2016Article
- ELISA in the multiplex era: potentials and pitfalls.Proteomics. Clinical applications · 2015Review
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The BioPlex 2200 automated analyzer (Bio-Rad Laboratories, Hercules, CA) is a recently developed multiplex analyzer that enables the detection of anti-Toxoplasma, -rubella, and -cytomegalovirus antibodies in the same assay. The aim of this study was to compare this new technology (using the BioPlex 2200 ToRC IgG/IgM kit) in critical cases of serodiagnosis of toxoplasmosis (acute, chronic, or congenital infections and cases with discrepant results) to the technologies used in our routine practice, i.e., the Platelia IgG/IgM enzyme-linked immunosorbent assays (ELISAs) (Bio-Rad Laboratories) and the Toxo-Screen direct agglutination assay (bioMérieux, Lyon, France). Overall, most cases of false-positive/negative results obtained with the Platelia IgG or Toxo-Screen assay were corrected by the BioPlex 2200 ToRC IgG (87.5%). Furthermore, the analysis of 35 sequences of sera showed a trend toward a more rapid decrease of IgM titers by BioPlex 2200 than by Platelia. These results for IgM detection can be explained by a weaker detection of residual IgM. Indeed, among 23 serum samples from patients with probable past infection with long-lasting IgM (Platelia M positive and IgG avidity index, ≥0.5), the BioPlex 2200 Toxoplasma IgM assay was positive for only 11 serum samples. In our panel of critical cases comprising 156 serum and 6 cord blood samples from 103 patients with acute, chronic, or congenital infection, the BioPlex 2200 IgG assay was a sensitive (97.8%) and specific (91.3%) method for IgG detection. The high specificity (97.4%) of IgM detection combined with the shorter kinetics of IgM titers may considerably reduce the number of residual IgM detections, thus yielding more precise diagnoses of acute infections.
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