Journal Article

DKFZ-2024-02082

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png repDilPCR: a tool for automated analysis of qPCR assays by the dilution-replicate method.

Yosifov, D. (First author)DKFZ* ; Reichenzeller, M. ; Stilgenbauer, S. ; Mertens, D. (Last author)DKFZ*

2024
Springer Heidelberg

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Please use a persistent id in citations: doi:10.1186/s12859-024-05954-9

Abstract: The dilution-replicate experimental design for qPCR assays is especially efficient. It is based on multiple linear regression of multiple 3-point standard curves that are derived from the experimental samples themselves and thus obviates the need for a separate standard curve produced by serial dilution of a standard. The method minimizes the total number of reactions and guarantees that Cq values are within the linear dynamic range of the dilution-replicate standard curves. However, the lack of specialized software has so far precluded the widespread use of the dilution-replicate approach.Here we present repDilPCR, the first tool that utilizes the dilution-replicate method and extends it by adding the possibility to use multiple reference genes. repDilPCR offers extensive statistical and graphical functions that can also be used with preprocessed data (relative expression values) obtained by usual assay designs and evaluation methods. repDilPCR has been designed with the philosophy to automate and speed up data analysis (typically less than a minute from Cq values to publication-ready plots), and features automatic selection and performance of appropriate statistical tests, at least in the case of one-factor experimental designs. Nevertheless, the program also allows users to export intermediate data and perform more sophisticated analyses with external statistical software, e.g. if two-way ANOVA is necessary.repDilPCR is a user-friendly tool that can contribute to more efficient planning of qPCR experiments and their robust analysis. A public web server is freely accessible at https://repdilpcr.eu without registration. The program can also be used as an R script or as a locally installed Shiny app, which can be downloaded from https://github.com/deyanyosifov/repDilPCR where also the source code is available.

Keyword(s): Software (MeSH) ; Real-Time Polymerase Chain Reaction: methods (MeSH) ; Automation ; Dilution-replicate design ; Plotting ; Polymerase chain reaction ; QPCR ; R ; RT-PCR ; Shiny ; Statistics ; Web server

Note: #EA:B061#LA:B061#

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Contributing Institute(s):

1. B061 Mechanismen d. Leukämogenese (B061)

Research Program(s):

1. 312 - Funktionelle und strukturelle Genomforschung (POF4-312) (POF4-312)

Appears in the scientific report 2024

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