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Reliable reference genes for expression analysis of proliferating and adipogenically differentiating human adipose stromal cells.


ABSTRACT:

Background

The proliferation and adipogenic differentiation of adipose stromal cells (ASCs) are complex processes comprising major phenotypical alterations driven by up- and downregulation of hundreds of genes. Quantitative RT-PCR can be employed to measure relative changes in the expression of a gene of interest. This approach requires constitutively expressed reference genes for normalization to counteract inter-sample variations due to differences in RNA quality and quantity. Thus, a careful validation of quantitative RT-PCR reference genes is needed to accurately measure fluctuations in the expression of genes. Here, we evaluated candidate reference genes applicable for quantitative RT-PCR analysis of gene expression during proliferation and adipogenesis of human ASCs with the immunophenotype DLK1+/CD34+/CD90+/CD105+/CD45-/CD31-.

Methods

We evaluated the applicability of 10 candidate reference genes (GAPDH, TBP, RPS18, EF1A, TFRC, GUSB, PSMD5, CCNA2, LMNA and MRPL19) using NormFinder, geNorm and BestKeeper software.

Results

The results indicate that EF1A and MRPL19 are the most reliable reference genes for quantitative RT-PCR analysis of proliferating ASCs. PSMD5 serves as the most reliable endogenous control in adipogenesis. CCNA2 and LMNA were among the least consistent genes.

Conclusions

Applying these findings for future gene expression analyses will help elucidate ASC biology.

SUBMITTER: Krautgasser C 

PROVIDER: S-EPMC6377720 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Reliable reference genes for expression analysis of proliferating and adipogenically differentiating human adipose stromal cells.

Krautgasser Claudia C   Mandl Markus M   Hatzmann Florian M FM   Waldegger Petra P   Mattesich Monika M   Zwerschke Werner W  

Cellular & molecular biology letters 20190215


<h4>Background</h4>The proliferation and adipogenic differentiation of adipose stromal cells (ASCs) are complex processes comprising major phenotypical alterations driven by up- and downregulation of hundreds of genes. Quantitative RT-PCR can be employed to measure relative changes in the expression of a gene of interest. This approach requires constitutively expressed reference genes for normalization to counteract inter-sample variations due to differences in RNA quality and quantity. Thus, a  ...[more]

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