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[The gene expression signature in endothelial cells exposed to mitomycin C]. 2021

M Yu Sinitsky, and A V Tsepokina, and A G Kutikhin, and D K Shishkova, and A V Ponasenko
Research Institute for Complex Issues of Cardiovascular Diseases, Kemerovo, Russia.

The expression of DNA repair (DDB1, ERCC4, ERCC5), leukocyte adhesion (VCAM1, ICAM1, SELE, SELP), endothelial mechanotransduction (KLF4), endothelial differentiation (PECAM1, CDH5, CD34, NOS3), endothelial-to-mesenchymal transition (SNAI1, SNAI2, TWIST1, GATA4, ZEB1, CDH2), scavenger receptors (LOX1, SCARF1, CD36, LDLR, VLDR), antioxidant system (PXDN, CAT, SOD1) and transcription factor (HEY2) genes in primary human coronary (HCAEC) and internal thoracic (HITAEC) arteries endothelial cells exposed to alkylating mutagen mitomycin C (MMC) was studied at two time points - after 6 h of incubation with MMC and after 6 h of the genotoxic load followed by 24 h of incubation in pure culture medium using the quantitative PCR. Immediately after MMC exposure, in the exposed HCAEC and HITAEC a decreased expression of almost all studied genes was noted excepted SNAI, which demonstrated a 4-told increase in its expression compared to the unexposed control. Elimination of MMC from the cultures, an increased expression of the VCAM1, ICAM1, SELE, SNAI2, KLF4 genes and a decreased the mRNA level of the PECAM1, CDH5, CD34, ZEB1, CAT, PXDN genes were observed in both cell lines. In addition, HITAEC cells were characterized by a decreased expression of the SOD1, SCARF1, CD36 genes and an increased expression of the SNAI1 and TWIST1 genes; in HCAEC, an increased mRNA level of the LDLR and VLDLR genes was noted. Thus, MMC-induced genotoxic stress is associated with the endothelial dysfunction.

UI MeSH Term Description Entries
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D000090062 Kruppel-Like Factor 4 A member of zinc finger-containing transcription factors that belongs to the KRUPPEL-LIKE FACTOR family, involved in the regulation of diverse cellular processes such as cell growth, proliferation, differentiation, and APOPTOSIS. EZF Protein,Endothelial Kruppel-Like Zinc Finger Protein,Epithelial Zinc Finger Protein,GKLF Protein,Gut-Enriched Kruppel-Like Factor,Klf4 Protein,Krueppel-Like-Factor 4,4, Krueppel-Like-Factor,4, Kruppel-Like Factor,Endothelial Kruppel Like Zinc Finger Protein,Factor 4, Kruppel-Like,Factor, Gut-Enriched Kruppel-Like,Gut Enriched Kruppel Like Factor,Kruppel Like Factor 4,Protein, EZF,Protein, GKLF,Protein, Klf4
D016685 Mitomycin An antineoplastic antibiotic produced by Streptomyces caespitosus. It is one of the bi- or tri-functional ALKYLATING AGENTS causing cross-linking of DNA and inhibition of DNA synthesis. Mitomycin C,Ametycine,Mitocin-C,Mitomycin-C,Mutamycin,NSC-26980,Mitocin C,MitocinC,NSC 26980,NSC26980
D042783 Endothelial Cells Highly specialized EPITHELIAL CELLS that line the HEART; BLOOD VESSELS; and lymph vessels, forming the ENDOTHELIUM. They are polygonal in shape and joined together by TIGHT JUNCTIONS. The tight junctions allow for variable permeability to specific macromolecules that are transported across the endothelial layer. Capillary Endothelial Cells,Lymphatic Endothelial Cells,Vascular Endothelial Cells,Capillary Endothelial Cell,Cell, Capillary Endothelial,Cell, Endothelial,Cell, Lymphatic Endothelial,Cell, Vascular Endothelial,Cells, Capillary Endothelial,Cells, Endothelial,Cells, Lymphatic Endothelial,Cells, Vascular Endothelial,Endothelial Cell,Endothelial Cell, Capillary,Endothelial Cell, Lymphatic,Endothelial Cell, Vascular,Endothelial Cells, Capillary,Endothelial Cells, Lymphatic,Endothelial Cells, Vascular,Lymphatic Endothelial Cell,Vascular Endothelial Cell
D059467 Transcriptome The pattern of GENE EXPRESSION at the level of genetic transcription in a specific organism or under specific circumstances in specific cells. Transcriptomes,Gene Expression Profiles,Gene Expression Signatures,Transcriptome Profiles,Expression Profile, Gene,Expression Profiles, Gene,Expression Signature, Gene,Expression Signatures, Gene,Gene Expression Profile,Gene Expression Signature,Profile, Gene Expression,Profile, Transcriptome,Profiles, Gene Expression,Profiles, Transcriptome,Signature, Gene Expression,Signatures, Gene Expression,Transcriptome Profile
D040542 Mechanotransduction, Cellular The process by which cells convert mechanical stimuli into a chemical response. It can occur in both cells specialized for sensing mechanical cues such as MECHANORECEPTORS, and in parenchymal cells whose primary function is not mechanosensory. Cellular Mechanotransduction,Mechanosensory Transduction,Signal Transduction, Mechanical,Mechanical Signal Transduction,Transduction, Mechanosensory

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