Enzyme-Linked Immunosorbent Assay-Format Tissue Culture Infectious Dose-50 Test for Titrating Dengue Virus
2011

New Method for Measuring Dengue Virus Levels

publication Evidence: high

Author Information

Author(s): Li Jie, Hu Dong-mei, Ding Xi-xia, Chen Yue, Pan Yu-xian, Qiu Li-wen, Che Xiao-yan

Primary Institution: Center for Clinical Laboratory, Zhujiang Hospital, Southern Medical University

Hypothesis

Can a new TCID50-ELISA method provide a more reliable way to titrate dengue virus compared to traditional methods?

Conclusion

The TCID50-ELISA method is a more reliable and accurate alternative for titrating dengue virus than the plaque assay and TCID50-CPE.

Supporting Evidence

  • The TCID50-ELISA method showed a correlation coefficient of 0.976 with traditional methods.
  • The new method demonstrated better reproducibility with a lower coefficient of variation.
  • TCID50-ELISA can be applied to a wider range of cell lines than traditional methods.

Takeaway

Scientists created a new test to measure how much dengue virus is in a sample, and it works better than older tests.

Methodology

The study developed a TCID50-ELISA method to titrate dengue virus and compared its results with traditional methods.

Potential Biases

Potential bias in results due to subjective interpretation of traditional methods.

Limitations

The study may not cover all strains of dengue virus or all possible cell lines.

Statistical Information

P-Value

0.000

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0022553

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