alexa Analyzing real-time PCR data by the comparative C(T) method.
Genetics

Genetics

Molecular Biology: Open Access

Author(s): Schmittgen TD, Livak KJ

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Abstract Two different methods of presenting quantitative gene expression exist: absolute and relative quantification. Absolute quantification calculates the copy number of the gene usually by relating the PCR signal to a standard curve. Relative gene expression presents the data of the gene of interest relative to some calibrator or internal control gene. A widely used method to present relative gene expression is the comparative C(T) method also referred to as the 2 (-DeltaDeltaC(T)) method. This protocol provides an overview of the comparative C(T) method for quantitative gene expression studies. Also presented here are various examples to present quantitative gene expression data using this method.
This article was published in Nat Protoc and referenced in Molecular Biology: Open Access

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