Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/14890
Title: Validation of reference genes for quantitative real-time PCR studies in the dentate gyrus after experimental febrile seizures.
Authors: SWIJSEN, Ann 
NELISSEN, Katherine 
JANSSEN, Daniel 
RIGO, Jean-Michel 
HOOGLAND, Govert 
Issue Date: 2012
Source: BMC Research Notes, 5 (Article 685), p. 1-8
Abstract: Background: Quantitative real-time PCR (qPCR) is a commonly used technique to quantify gene expression levels. Validated normalization is essential to obtain reliable qPCR data. In that context, normalizing to multiple reference genes has become the most popular method. However, expression of reference genes may vary per tissue type, developmental stage and in response to experimental treatment. It is therefore imperative to determine stable reference genes for a specific sample set and experimental model. The present study was designed to validate potential reference genes in hippocampal tissue from rats that had experienced early-life febrile seizures (FS). To this end, we applied an established model in which FS were evoked by exposing 10-day old rat pups to heated air. One week later, we determined the expression stability of seven frequently used reference genes in the hippocampal dentate gyrus. Results: Gene expression stability of 18S rRNA, ActB, GusB, Arbp, Tbp, CycA and Rpl13A was tested using geNorm and Normfinder software. The ranking order of reference genes proposed by geNorm was not identical to that suggested by Normfinder. However, both algorithms indicated CycA, Rpl13A and Tbp as the most stable genes, whereas 18S rRNA and ActB were found to be the least stably expressed genes. Conclusions: Our data demonstrate that the geometric averaging of at least CycA, Rpl13A and Tbp allows reliable interpretation of gene expression data in this experimental set-up. The results also show that ActB and 18S rRNA are not suited as reference genes in this model.
Keywords: reference gene; quantitative real-time PCR; febrile seizures; dentate gyrus
Document URI: http://hdl.handle.net/1942/14890
ISSN: 1756-0500
DOI: 10.1186/1756-0500-5-685
Category: A1
Type: Journal Contribution
Appears in Collections:Research publications

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