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An optimized enzyme-linked lectin assay to measure influenza A virus neuraminidase inhibition antibody titers in human sera
Open accessAbstract
Antibodies to neuraminidase (NA), the second most abundant surface protein on influenza virus, contribute toward protection against influenza. The traditional thiobarbituric acid (TBA) method to quantify NA inhibiting antibodies is cumbersome and not suitable for routine serology. An enzyme-linked lectin assay (ELLA) described by Lambre et al. (1990) is a practical alternative method for measuring NA inhibition (NI) titers. This report describes optimization of the ELLA for measuring NI titers in human sera against influenza A viruses, using H6N1 and H6N2 viruses as antigens. The optimized ELLA is subtype-specific and reproducible. While the titers measured by ELLA are somewhat greater than those measured by a miniaturized TBA method, seroconversion rates are the same, suggesting similarity in assay sensitivity under these optimized conditions. The ELLA described in this report provides a practical format for routine evaluation of human antibody responses to NA.
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Measuring agreement in method comparison studies
Bland, J. M., & Altman, D. G. (1999) · Statistical Methods in Medical Research · doi:10.1177/096228029900800204 · Cited by 9,619
Measuring agreement in method comparison studies
Bland, J. M., & Altman, D. G. (1999) · Statistical Methods in Medical Research · doi:10.1191/096228099673819272 · Cited by 9,619
Cited by
Antibody to Influenza Virus Neuraminidase: An Independent Correlate of Protection
Monto, A. S., Petrie, J. G., Cross, R. T., Johnson, E., Liu, M., Zhong, W., Levine, M., Katz, J. M., & Ohmit, S. E. (2015) · Journal of Infectious Diseases · doi:10.1093/infdis/jiv195 · Cited by 369
Metadata
- Authors
- Couzens, L., Gao, J., Westgeest, K., Sandbulte, M., Lugovtsev, V., Fouchier, R., & Eichelberger, M.
- Venue
- Journal of Virological Methods
- Publisher
- Elsevier BV
- Published
- 2014-12
- Volume
- 210
- Pages
- 7-14
- ISSN
- 0166-0934 (ISSN-L)
- OpenAlex
- W2052875380
- Cited by
- 187
- References
- 2
- FWCI
- 8.99
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Couzens, L., Gao, J., Westgeest, K., Sandbulte, M., Lugovtsev, V., Fouchier, R., & Eichelberger, M. (2014). An optimized enzyme-linked lectin assay to measure influenza A virus neuraminidase inhibition antibody titers in human sera. Journal of Virological Methods. https://doi.org/10.1016/j.jviromet.2014.09.003
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