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Updated: Jun 12, 2026
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Use of an Influenza Antigen Microarray to Measure the Breadth of Serum Antibodies Across Virus Subtypes
Published on: July 26, 2019
[Microarray for detecting and subtyping of circulating influenza A virus]
Xihan Li1, Yu Wang, Fangzheng Liu
1Institute of Virology, State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210093, China. xihanli81@yahoo.com.cn
Wei Sheng Wu Xue Bao = Acta Microbiologica Sinica
|May 27, 2010
Summary
This study developed a novel oligonucleotide microarray for rapid and accurate detection and subtyping of influenza A virus strains, including H1N1 and H3N2. The microarray demonstrates high specificity and sensitivity, making it valuable for influenza surveillance.
Area of Science:
- Virology
- Molecular Diagnostics
- Bioinformatics
Context:
- Influenza A virus poses a significant global health threat, necessitating rapid and accurate diagnostic tools.
- Current methods for influenza subtyping can be time-consuming and complex.
- Effective surveillance requires sensitive and specific detection methods for circulating strains.
Purpose:
- To design and characterize an oligonucleotide microarray for the detection and subtyping of circulating influenza A virus.
- To enable simultaneous identification of key subtypes including H1N1, H1N2, H3N2, H5N1, and H9N2.
- To validate the microarray's performance using diverse influenza A virus strains and clinical samples.
Summary:
- An oligonucleotide microarray was fabricated using 46 specific probes based on influenza A virus sequences.
- Hemagglutinin and neuraminidase genes were amplified, labeled, and hybridized to the microarray for detection.
- The microarray accurately detected and subtyped 18 influenza A virus strains and identified H1N1 and H3N2 in 186 clinical samples.
Impact:
- The developed microarray offers a highly specific and sensitive diagnostic method for influenza A virus.
- This tool can significantly aid in real-time influenza surveillance and epidemiological studies.
- Facilitates rapid identification of circulating influenza strains for timely public health interventions.
