Control for virus detection assays based on reverse-transcription polymerase chain reaction
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United States of America Patent
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Mar 6, 2018
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app pub date -
Jun 1, 2007
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Jun 1, 2007
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Abstract
A method for the accurate quantification of a virus in a sample, by reverse transcription polymerase chain reaction (RT-PCR), includes: adding a known concentration of a Mengo virus to the sample as control for the nucleic acids extraction step, the Mengo virus being a mutant strain with the same growth properties than those of the wild-type Mengo virus, and with non-pathogenic capacity; performing a nucleic acids extraction to obtain a nucleic acids suspension; analyzing the nucleic acids suspension by RT-PCR with primers and probes; quantifying the amplimers resulting from the RT-PCR; determining the concentration of the virus in the sample by comparison of the value obtained with an appropriate standard curve; and determining the concentration of the Mengo virus by comparison of the value obtained with an appropriate standard curve.
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