Identification of appropriate housekeeping genes for gene expression studies in human renal cell carcinoma under hypoxic conditions
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2022
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Molecular Biology Reports
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Background: Hypoxia pathways are deregulated in clear renal cell carcinoma (ccRCC) because of the loss of the von Hippel-Lindau tumor suppressor function. Quantitative PCR is a powerful tool for quantifying differential expression between normal and cancer cells. Reliable gene expression analysis requires the use of genes encoding housekeeping genes. Therefore, in this study, eight reference candidate genes were evaluated to determine their stability in 786-0 cells under normoxic and hypoxic conditions. Methods and Results: Four different tools were used to rank the most stable genes—geNorm, NormFinder, BestKeeper, and Comparative Ct (ΔCt), and a general ranking was performed using RankAggreg. According to the four algorithms, the TFRC reference gene was identified as the most stable. There was no agreement among the results from the algorithms for the 2nd and 3rd positions. A general classification was then established using the RankAggreg tool. Finally, the three most suitable reference genes for use in 786-0 cells under normoxic and hypoxic conditions were TFRC, RPLP0, and SDHA. Conclusions: To the best of our knowledge, this is the first study to identify reliable genes that can be used for gene expression analysis in ccRCC in a hypoxic environment.
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TEIXEIRA, LUIZ F.S.; GIGLIOTTI, RODRIGO; FERREIRA, LUANA da S.; BELLINI, MARIA H. Identification of appropriate housekeeping genes for gene expression studies in human renal cell carcinoma under hypoxic conditions. Molecular Biology Reports, v. 49, p. 3885-3891, 2022. DOI: 10.1007/s11033-022-07236-0. Disponível em: http://repositorio.ipen.br/handle/123456789/33111. Acesso em: 15 May 2024.
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