The RT-qPCR results.Abbreviations RT-qPCR: Quantitative real-time reverse transcription-polymerase chain reaction; RG: Reference gene; IPO8: Importin 8; RPL4: Ribosomal protein four; GADPH: Glyceraldehyde-3-phosphate dehydrogenase; HPRT1: Hypoxanthine phosphoribosyl transferase 1.Kolkova et al. Journal of Ovarian Analysis 2013, 6:60 http://ovarianresearch/content/6/1/Page ten ofCompeting interests The authors declare that they have no competing interests. Authors’ contributions ZK carried out the gene expression experiments and drafted the manuscript. AA performed the statistical evaluation. BC drafted the manuscript. SH contributed methodological know-how. EK participated in the study design and drafted the manuscript. All authors study and approved the final manuscript. Acknowledgements This study was supported by the Swedish Cancer society, Sk e University Hospital and Area Sk e. Author facts 1 Department of Obstetrics Gynaecology, Lund University, Sk e University Hospital Lund, Lund, SE 221 85, Sweden. 2Institute of Molecular Biology, NAS RA 7 Hasratyan St, Yerevan 0014, Armenia. 3Department of Immunology, Faculty of Medicine and Dentistry, Palacky University, Olomouc, Czech Republic. Received: 10 May well 2013 Accepted: 18 August 2013 Published: 30 August 2013 References 1.2621932-37-2 Order Bustin SA, Benes V, Garson JA, Hellemans J, Huggett J, Kubista M, Mueller R, Nolan T, Pfaffl MW, Shipley GL, Vandesompele J, Wittwer CT: The MIQE recommendations: minimum information for publication of quantitative realtime PCR experiments. Clin Chem 2009, 55(4):611?22. 2. Sirover MA: New insights into an old protein: the functional diversity of mammalian glyceraldehyde-3-phosphate dehydrogenase. Biochimica et biophysica acta 1999, 1432(2):159?84. three. Chang TJ, Juan CC, Yin PH, Chi CW, Tsay HJ: Up-regulation of betaactin, cyclophilin and GAPDH in N1S1 rat hepatoma.Pd-PEPPSI-IPent custom synthesis Oncol Rep 1998, 5(two):469?71.PMID:24957087 4. Li YL, Ye F, Hu Y, Lu WG, Xie X: Identification of suitable reference genes for gene expression studies of human serous ovarian cancer by realtime polymerase chain reaction. Anal Biochem 2009, 394(1):110?16. 5. Sun Y, Li Y, Luo D, Liao DJ: Pseudogenes as weaknesses of ACTB (Actb) and GAPDH (Gapdh) applied as reference genes in reverse transcription and polymerase chain reactions. PloS A single 2012, 7(8):e41659. six. Fu J, Bian L, Zhao L, Dong Z, Gao X, Luan H, Sun Y, Song H: Identification of genes for normalization of quantitative real-time PCR information in ovarian tissues. Acta biochimica et biophysica Sinica 2010, 42(eight):568?74. 7. Stefan W: Testing Statistical Hypotheses of Equivalence and Noninferiority; 2003. 8. Haller F, Kulle B, Schwager S, Gunawan B, von Heydebreck A, Sultmann H, Fuzesi L: Equivalence test in quantitative reverse transcription polymerase chain reaction: confirmation of reference genes suitable for normalization. Anal Biochem 2004, 335(1):1?. 9. Kriegova E, Arakelyan A, Fillerova R, Zatloukal J, Mrazek F, Navratilova Z, Kolek V, du Bois RM, Petrek M: PSMB2 and RPL32 are appropriate denominators to normalize gene expression profiles in bronchoalveolar cells. BMC Mol Biol 2008, 9:69. 10. Pfaffl MW, Tichopad A, Prgomet C, Neuvians TP: Determination of steady housekeeping genes, differentially regulated target genes and sample integrity: BestKeeper xcel-based tool using pair-wise correlations. Biotechnol Lett 2004, 26(six):509?15. 11. Vandesompele J, De Preter K, Pattyn F, Poppe B, Van Roy N, De Paepe A, Speleman F: Precise normalization of real-time quantitative RT-PCR data by.