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Development of a Specific and Sensitive Enzyme-Linked Immunosorbent Assay as an In Vitro Diagnostic Tool for Detection of Bartonella henselae Antibodies in Human Serum

Jost, Markus ; Latz, Andreas ; Ballhorn, Wibke ; Kempf, Volkhard A. J.

Journal of clinical microbiology, 2018-11, Vol.56 (12) [Periódico revisado por pares]

1752 N St., N.W., Washington, DC: American Society for Microbiology

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  • Título:
    Development of a Specific and Sensitive Enzyme-Linked Immunosorbent Assay as an In Vitro Diagnostic Tool for Detection of Bartonella henselae Antibodies in Human Serum
  • Autor: Jost, Markus ; Latz, Andreas ; Ballhorn, Wibke ; Kempf, Volkhard A. J.
  • Assuntos: Immunoassays
  • É parte de: Journal of clinical microbiology, 2018-11, Vol.56 (12)
  • Notas: Citation Jost M, Latz A, Ballhorn W, Kempf VAJ. 2018. Development of a specific and sensitive enzyme-linked immunosorbent assay as an in vitro diagnostic tool for detection of Bartonella henselae antibodies in human serum. J Clin Microbiol 56:e01329-18. https://doi.org/10.1128/JCM.01329-18.
  • Descrição: Bartonella henselae causes cat scratch disease and several other clinical entities. Infections with B. henselae are frequently occurring; however, the infection is only rarely diagnosed, mainly due to a lack of knowledge in the medical community. Bartonella henselae causes cat scratch disease and several other clinical entities. Infections with B. henselae are frequently occurring; however, the infection is only rarely diagnosed, mainly due to a lack of knowledge in the medical community. Microscopic immunofluorescence assays (IFA) are widely used for the serodiagnosis of B. henselae infections but are laborious and time-consuming, and interpretation is subjective. An easy and reliable method for the serological diagnosis of B. henselae infections is needed to overcome the shortcomings of the current IFA. Here, we report the development of an ELISA detecting human anti- B. henselae antibodies from serum samples. By separating the water-insoluble fraction of B. henselae Houston-1 via ion-exchange chromatography, 16 subfractions were generated and tested for immunoreactivity via line blotting. One particular fraction (fraction 24) was selected and spotted on ELISA plates using an industrial production platform. By use of well-characterized human sera from the strictly quality-controlled serum library of the German National Consiliary Laboratory for Bartonella infections, the sensitivity of this ELISA was 100% for PCR-proven infections and 76% for clinically suspected infections at a specificity of 93%. This ELISA is therefore a reliable high-throughput method allowing the serodiagnosis of B. henselae infections.
  • Editor: 1752 N St., N.W., Washington, DC: American Society for Microbiology
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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