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Article Open Access

Selection of reference genes for gene expression studies in human bladder cancer using SYBR‑Green quantitative polymerase chain reaction

Corrigendum in: /10.3892/ol.2022.13205
  • Authors:
    • Chuanxia Zhang
    • Yong Qiang Wang
    • Guangyi Jin
    • Song Wu
    • Jun Cui
    • Rong‑Fu Wang
  • View Affiliations / Copyright

    Affiliations: Key Laboratory of Gene Engineering of The Ministry of Education, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat‑sen University, Guangzhou, Guangdong 510275, P.R. China, Department of Urology, Sun Yat‑sen University Cancer Center, Collaborative Innovation Center for Cancer Medicine, State Key Laboratory of Oncology in South China, Guangzhou, Guangdong 510060, P.R. China, Shenzhen Key Laboratory of Translational Medicine of Tumor, Cancer Research Center, School of Medicine, Shenzhen University, Shenzhen, Guangdong 518060, P.R. China, Department of Urological Surgery, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Guangzhou, Guangdong 510275, P.R. China, Center for Inflammation and Epigenetics, Houston Methodist Research Institute, Houston, TX 77030, USA
    Copyright: © Zhang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 6001-6011
    |
    Published online on: September 19, 2017
       https://doi.org/10.3892/ol.2017.7002
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Abstract

Reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) is a rapid, reliable and widely used method of studying gene expression profiles that requires appropriate normalization for accurate and reliable results. Reference genes are usually used to normalize mRNA levels; however, the expression levels of these reference genes may vary between cell types, developmental stages, species and experimental conditions. Therefore, a normalization strategy is an important precondition for reliable conclusions, with endogenous controls requiring determination for every experimental system. In the present study, 18 reference genes used in various prior studies were analyzed to determine their applicability in bladder cancer. A total of 35 matched malignant and non‑malignant bladder cancer (specifically transitional cell carcinoma) tissue specimens were examined. RNA and cDNA quality was stringently controlled. Candidate reference genes were assessed using SYBR-Green RT‑qPCR. mRNA abundance was compared and reference genes with distinct ranges of expression to possible target genes were excluded. Genes that were differentially expressed in matched non‑cancerous and cancerous samples were also excluded, using quantification cycle analysis. Subsequently, the stability of the selected reference genes was analyzed using three different methods: geNorm, NormFinder and BestKeeper. The rarely used ribosomal protein S23 (RPS23) was the most stable single reference gene, with RPS23, tumor protein, translationally controlled 1 and RPS13 comprising the optimal reference gene set for all the bladder samples. These stable reference genes should be employed in normalization and quantification of transcript levels in future expression studies of bladder cancer‑associated genes.
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Copy and paste a formatted citation
Spandidos Publications style
Zhang C, Wang YQ, Jin G, Wu S, Cui J and Wang RF: Selection of reference genes for gene expression studies in human bladder cancer using SYBR‑Green quantitative polymerase chain reaction Corrigendum in /10.3892/ol.2022.13205. Oncol Lett 14: 6001-6011, 2017.
APA
Zhang, C., Wang, Y.Q., Jin, G., Wu, S., Cui, J., & Wang, R. (2017). Selection of reference genes for gene expression studies in human bladder cancer using SYBR‑Green quantitative polymerase chain reaction Corrigendum in /10.3892/ol.2022.13205. Oncology Letters, 14, 6001-6011. https://doi.org/10.3892/ol.2017.7002
MLA
Zhang, C., Wang, Y. Q., Jin, G., Wu, S., Cui, J., Wang, R."Selection of reference genes for gene expression studies in human bladder cancer using SYBR‑Green quantitative polymerase chain reaction Corrigendum in /10.3892/ol.2022.13205". Oncology Letters 14.5 (2017): 6001-6011.
Chicago
Zhang, C., Wang, Y. Q., Jin, G., Wu, S., Cui, J., Wang, R."Selection of reference genes for gene expression studies in human bladder cancer using SYBR‑Green quantitative polymerase chain reaction Corrigendum in /10.3892/ol.2022.13205". Oncology Letters 14, no. 5 (2017): 6001-6011. https://doi.org/10.3892/ol.2017.7002
Copy and paste a formatted citation
x
Spandidos Publications style
Zhang C, Wang YQ, Jin G, Wu S, Cui J and Wang RF: Selection of reference genes for gene expression studies in human bladder cancer using SYBR‑Green quantitative polymerase chain reaction Corrigendum in /10.3892/ol.2022.13205. Oncol Lett 14: 6001-6011, 2017.
APA
Zhang, C., Wang, Y.Q., Jin, G., Wu, S., Cui, J., & Wang, R. (2017). Selection of reference genes for gene expression studies in human bladder cancer using SYBR‑Green quantitative polymerase chain reaction Corrigendum in /10.3892/ol.2022.13205. Oncology Letters, 14, 6001-6011. https://doi.org/10.3892/ol.2017.7002
MLA
Zhang, C., Wang, Y. Q., Jin, G., Wu, S., Cui, J., Wang, R."Selection of reference genes for gene expression studies in human bladder cancer using SYBR‑Green quantitative polymerase chain reaction Corrigendum in /10.3892/ol.2022.13205". Oncology Letters 14.5 (2017): 6001-6011.
Chicago
Zhang, C., Wang, Y. Q., Jin, G., Wu, S., Cui, J., Wang, R."Selection of reference genes for gene expression studies in human bladder cancer using SYBR‑Green quantitative polymerase chain reaction Corrigendum in /10.3892/ol.2022.13205". Oncology Letters 14, no. 5 (2017): 6001-6011. https://doi.org/10.3892/ol.2017.7002
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