Cited by 54Molecular Biology Techniques and ApplicationsTelomeres, Telomerase, and SenescenceGene expression and cancer classification

Identification of stable senescence‐associated reference genes

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Hernandez‐Segura, Alejandra, Rubingh, Richard, Demaria, Marco·2019·Aging Cell

Abstract

Cellular senescence is a state of permanent cell cycle arrest activated in response to damaging stimuli. Many hallmarks associated with senescent cells are measured by quantitative real‐time PCR (qPCR). As the selection of stable reference genes for interpretation of qPCR data is often overlooked, we performed a systematic review to understand normalization strategies entailed in experiments involving senescent cells. We found that, in violation of the Minimum Information for publication of qPCR Experiments (MIQE) guidelines, most reports used only one reference gene to normalize qPCR data, and that stability of the reference genes was either not tested or not reported. To identify new and more stable reference genes in senescent fibroblasts, we analyzed the Shapiro–Wilk normality test and the coefficient of variation per gene using in public RNAseq datasets. We then compared the new reference gene candidates with commonly used ones by using both RNAseq and qPCR data. Finally, we defined the best reference genes to be used universally or in a strain‐dependent manner. This study intends to raise awareness of the instability of classical reference genes in senescent cells and to serve as a first attempt to define guidelines for the selection of more reliable normalization methods.

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Authors
Hernandez‐Segura, A., Rubingh, R., & Demaria, M.
Affiliations
University Medical Center Groningen (NL)
Corresponding author
Demaria, Marco
Venue
Aging Cell
Publisher
Wiley
Published
2019-02
Volume
18
Issue
2
Pages
e12911-e12911
ISSN
  • 1474-9718 (ISSN-L)
  • 1474-9726
OpenAlex
W2911885304
Cited by
54
References
34
Citations by year
2026: 2 · 2025: 8 · 2024: 13 · 2023: 6 · 2022: 7 · 2021: 11 · 2020: 5 · 2019: 2
FWCI
2.07
Type
journal article
Language
en
Open access
Locations
  • Aging Cell (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • University of Groningen research database (University of Groningen / Centre for Information Technology) (publishedVersion, cc-by)
  • University of Groningen research database (University of Groningen / Centre for Information Technology) (submittedVersion, cc-by)
Funders
KWF Kankerbestrijding
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Molecular Biology Techniques and Applications
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene expression and cancer classification
Keywords
cellular senescence, reference genes, gene expression normalization, qPCR normalization, senescent fibroblasts, MIQE guidelines, reference gene stability, RNA-seq, coefficient of variation
MeSH terms
Fibroblasts, Humans, Reference Standards, Cellular Senescence, Sequence Analysis, RNA, Real-Time Polymerase Chain Reaction

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