Rapid Method for Virus Titration
Author Information
Author(s): Grigorov Boyan, Rabilloud Jessica, Lawrence Philip, Gerlier Denis
Primary Institution: INSERM, U758, Ecole Normale Supérieure de Lyon, Lyon, France
Hypothesis
Can a rapid and reliable method for titrating measles virus be developed using flow cytometry?
Conclusion
The new flow cytometry-based method for titrating measles virus is accurate, rapid, and can be applied to other viruses.
Supporting Evidence
- The new method takes only 24-30 hours for measles virus titration.
- It showed a strong correlation with the classical TCID50 method.
- The method can also be adapted for titrating other viruses like HIV-1 and VSV.
Takeaway
Scientists created a faster way to count viruses using special machines that can see tiny infected cells, making it easier to measure how much virus is present.
Methodology
The method involves using flow cytometry to detect infected cells and calculate virus titers based on the Poisson distribution.
Potential Biases
Potential underestimation of virus titers if the multiplicity of infection is too high.
Limitations
The method has a detection limit of 10^4 IU/ml, which may not be suitable for clinical samples with low virus loads.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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