Cited by 67Molecular Biology Techniques and ApplicationsHistone Deacetylase Inhibitors ResearchGene expression and cancer classification

Effects of Histone Deacetylase Inhibitor (HDACi); Trichostatin-A (TSA) on the expression of housekeeping genes

Mogal, Ashish, Abdulkadir, Sarki A.·2006·Molecular and Cellular Probes

Abstract

In quantitative RT-PCR (qRT-PCR), analysis of gene expression is dependent on normalization using housekeeping genes such as 18S rRNA, GAPDH and beta actin. However, variability in their expression has been reported to be caused by factors like drug treatment, pathological states and cell-cycle phase. An emerging area of cancer research focuses on identifying the role of epigenetic alterations such as histone modifications and DNA methylation in the initiation and progression of cancer. Histone acetylation is the best studied modification so far and has been probed through the use of histone deacetylase inhibitors (HDACi). Further, modulation of histone acetylation is currently being explored as a therapeutic strategy in the treatment of cancer and HDACis have shown promise in inhibiting tumorigenesis and metastasis. Trichostatin-A (TSA) is the most widely used HDACi. Therefore, we were driven to identify a suitable internal control for RT-PCR following TSA treatment. We performed quantitative RT-PCR analysis using mouse prostate tissue explants, human prostate cancer (LNCaP) cells and human breast cancer (T-47D and ZR-75-1) cells following TSA treatment. Expression of housekeeping genes including 18S rRNA, beta actin, GAPDH and ribosomal highly-basic 23-kDa protein (rb 23-kDa, RPL13A) were compared in vehicle versus TSA treated samples. Our results showed marked variations in 18S rRNA, beta actin mRNA and GAPDH mRNA levels in mouse prostate explants and a human prostate cancer (LNCaP) cell line following TSA treatment. Furthermore, in two human breast cancer cell lines (T-47D and ZR-75-1) 18S rRNA, beta actin mRNA and GAPDH mRNA levels varied significantly. However, RPL13A mRNA levels remained constant in all the conditions tested. Therefore, we recommend use of RPL13A as a standard for normalization during TSA treatment.

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Crossref · 10.1016/j.mcp.2005.09.008

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Authors
Mogal, A., & Abdulkadir, S. A.
Affiliations
Vanderbilt University (US)
Corresponding author
Abdulkadir, Sarki A.
Venue
Molecular and Cellular Probes
Publisher
Elsevier BV
Published
2006-04
Volume
20
Issue
2
Pages
81-86
ISSN
0890-8508 (ISSN-L)
OpenAlex
W2098142351
Cited by
67
References
34
Citations by year
2025: 1 · 2024: 2 · 2023: 1 · 2022: 1 · 2021: 1 · 2020: 5 · 2019: 2 · 2017: 1 · 2016: 3 · 2015: 1 · 2014: 1 · 2013: 5 · 2012: 2
FWCI
2.37
Type
journal article
Language
en
Open access
closed
Locations
  • Molecular and Cellular Probes (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Cancer Institute (R01CA094858, CA94858)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Molecular Biology Techniques and Applications
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Histone Deacetylase Inhibitors Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene expression and cancer classification
Keywords
histone deacetylase inhibitors, trichostatin A, housekeeping genes, RPL13A, glyceraldehyde-3-phosphate dehydrogenase, beta-actin, 18S rRNA, histone acetylation, epigenetic modulation, prostate cancer, breast cancer, gene expression variation
MeSH terms
Actins, Animals, Breast Neoplasms, Female, Glyceraldehyde-3-Phosphate Dehydrogenases, Humans, Hydroxamic Acids, Male, Prostate, Prostatic Neoplasms, Ribosomal Proteins, RNA, Ribosomal, 18S, Gene Expression, Reverse Transcriptase Polymerase Chain Reaction, Cell Line, Tumor, Mice, Histone Deacetylase Inhibitors

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