MicroRNA-Mediated Metabolic Reprograming in Renal Cancer

Bogusławska, Joanna; Popławski, Piotr; Alseekh, S.; Koblowska, Marta; Iwanicka-Nowicka, Roksana; Rybicka, Beata; Kędzierska, Hanna; Głuchowska, Katarzyna; Hanusek, Karolina; Tański, Zbigniew; Fernie, A. R.; Piekiełko-Witkowska, Agnieszka

doi:10.3390/cancers11121825

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MicroRNA-Mediated Metabolic Reprograming in Renal Cancer

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Alseekh, S.
Central Metabolism, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society;

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Fernie, A. R.
Central Metabolism, Department Willmitzer, Max Planck Institute of Molecular Plant Physiology, Max Planck Society;

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Bogusławska, J., Popławski, P., Alseekh, S., Koblowska, M., Iwanicka-Nowicka, R., Rybicka, B., et al. (2019). MicroRNA-Mediated Metabolic Reprograming in Renal Cancer. Cancers, 11(12): 1825. doi:10.3390/cancers11121825.

Cite as: https://hdl.handle.net/21.11116/0000-0005-3F61-8

Abstract

Metabolic reprogramming is one of the hallmarks of renal cell cancer (RCC). We hypothesized that altered metabolism of RCC cells results from dysregulation of microRNAs targeting metabolically relevant genes. Combined large-scale transcriptomic and metabolic analysis of RCC patients tissue samples revealed a group of microRNAs that contribute to metabolic reprogramming in RCC. miRNAs expressions correlated with their predicted target genes and with gas chromatography-mass spectrometry (GC-MS) metabolome profiles of RCC tumors. Assays performed in RCC-derived cell lines showed that miR-146a-5p and miR-155-5p targeted genes of PPP (the pentose phosphate pathway) (G6PD and TKT), the TCA (tricarboxylic acid cycle) cycle (SUCLG2), and arginine metabolism (GATM), respectively. miR-106b-5p and miR-122-5p regulated the NFAT5 osmoregulatory transcription factor. Altered expressions of G6PD, TKT, SUCLG2, GATM, miR-106b-5p, miR-155-5p, and miR-342-3p correlated with poor survival of RCC patients. miR-106b-5p, miR-146a-5p, and miR-342-3p stimulated proliferation of RCC cells. The analysis involving gt;6000 patients revealed that miR-34a-5p, miR-106b-5p, miR-146a-5p, and miR-155-5p are PanCancer metabomiRs possibly involved in global regulation of cancer metabolism. In conclusion, we found that microRNAs upregulated in renal cancer contribute to disturbed expression of key genes involved in the regulation of RCC metabolome. miR-146a-5p and miR-155-5p emerge as a key ldquo;metabomiRsrdquo; that target genes of crucial metabolic pathways (PPP (the pentose phosphate pathway), TCA cycle, and arginine metabolism).