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    J Postgrad Med. 2008 Jul-Sep;54(3):181-5.

    Comparison of a dipstick enzyme-linked immunosorbent assay with commercial assays for detection of Japanese encephalitis virus-specific IgM antibodies.

    Shrivastva A, Tripathi NK, Parida M, Dash PK, Jana AM, Lakshmana Rao PV.

    Division of Virology, Defense R and D Establishment, Jhansi Road, Gwalior, MP - 474 002, India. ambujshrivastava@hotmail.com

    BACKGROUND: Japanese encephalitis (JE) is a major public health concern in Asia including India. Objectives: To evaluate an in-house developed dipstick enzyme-linked immunosorbent assay (ELISA) test vis-à-vis two commercial kits for detection of JE virus-specific IgM antibodies. SETTING AND DESIGN: Comparative study carried out in Research and Development centre. MATERIALS AND METHODS: A total of 136 specimens comprising 84 serum and 52 CSF samples were tested by in-house dipstick ELISA, Pan-Bio IgM capture ELISA (Pan-Bio, Australia) and JEV CheX IgM capture ELISA (XCyton, India). RESULTS: The overall agreement among all three tests was found to be 92% with both serum and cerebrospinal fluid (CSF) samples. The sensitivity of the dipstick ELISA was found to be 91% with serum and 89% with CSF samples respectively. The specificity of the dipstick ELISA with reference to both commercial assays was found to be 100% in serum and CSF samples in this study. CONCLUSIONS: The in-house dipstick ELISA with its comparable sensitivity and specificity can be used as a promising test in field conditions since it is simple, rapid and requires no specialized equipment.

    PMID: 18626163 [PubMed - indexed for MEDLINE]

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