Abstract
The expression profile of the ZEB1, ZEB2, VIM, CDH1, SFRP2, FOXQ1, TNC, MACC1, PLS3, CFTR, FLNA, MUC2, TFF3, and RARRES3 genes, as well as the mutational status of the KRAS, NRAS, BRAF, and PIK3CA genes, were investigated in 40 patients with colorectal cancer and liver metastases. A comparative analysis of changes in gene expression in primary tumor cells and liver metastases was performed. Statistically significant differences were found between the expression levels of the ZEB2 (p = 0.004), VIM (p < 0.001), FLNA (p = 0.04), and MUC2 (p < 0.001) genes. It was demonstrated that the overall frequency of mutations of the KRAS gene was 18/40 (45%) and the PIK3CA gene was 9/40 (23%). Mutations in the NRAS and BRAF genes were not found. The concordance between the primary tumor and metastases in the liver by mutation status was 100%.
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Original Russian Text © V.P. Shubin, A.A. Ponomarenko, A.S. Tsukanov, O.A. Maynovskaya, E.G. Rybakov, M.V. Panina, V.N. Kashnikov, S.A. Frolov, Yu.A. Shelygin, 2018, published in Genetika, 2018, Vol. 54, No. 6, pp. 671–676.
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Shubin, V.P., Ponomarenko, A.A., Tsukanov, A.S. et al. Heterogeneity in Colorectal Primary Tumor and Synchronous Liver Metastases. Russ J Genet 54, 698–702 (2018). https://doi.org/10.1134/S1022795418060091
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DOI: https://doi.org/10.1134/S1022795418060091