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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
The promoter of c-myc oncogene as a target for a novel type of heterocyclic cations stabilizing G-quadruplex.
 Pohlová, Lenka ; Šmídková, Martina (advisor) ; Hájková, Hana (referee)
Targeting oncogene promoters: a novel heterocyclic cations as G-quadruplex stabilizing ligands Lenka Pohlová Abstract: The diploma thesis studies an effect of newly synthesized group of compounds - helquats - on the expression of c-myc as a major player in malignant transformation and tumorigenesis via the stabilization of G-quadruplex in c-myc promotor. The G-quadruplex c-myc stabilization ability was tested for 101 helquats using dual luciferase reporter assay. The G-quadruplex c-myc stabilization ability was found for 13 helquats by this method. 8 successful helquats was selected by a comparison of the results from dual luciferase reporter assay and FRET melting assay. Effect on cell viability of tumor (HeLa S3) and non-tumor (HUVEC) cell lines was evaluated for these 8 helquats. Three of them exhibited cytotoxic effect on tumor cells but no effect was observed on viability of non-tumor cells. Moreover, an effect of these 3 helquats on c-myc expression on both mRNA and protein level, where significant effect on c-myc mRNA expression was not found for most of incubation periods. The 30% decrease in mRNA level was observed only for 24 hours incubation period for two helquats (LS702 and MJ656). The decrease in the expression on protein level was observed for all tested helquats, and helquat LS702 had the...
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The promoter of c-myc oncogene as a target for a novel type of heterocyclic cations stabilizing G-quadruplex.
 Pohlová, Lenka ; Šmídková, Martina (advisor) ; Hájková, Hana (referee)
Targeting oncogene promoters: a novel heterocyclic cations as G-quadruplex stabilizing ligands Lenka Pohlová Abstract: The diploma thesis studies an effect of newly synthesized group of compounds - helquats - on the expression of c-myc as a major player in malignant transformation and tumorigenesis via the stabilization of G-quadruplex in c-myc promotor. The G-quadruplex c-myc stabilization ability was tested for 101 helquats using dual luciferase reporter assay. The G-quadruplex c-myc stabilization ability was found for 13 helquats by this method. 8 successful helquats was selected by a comparison of the results from dual luciferase reporter assay and FRET melting assay. Effect on cell viability of tumor (HeLa S3) and non-tumor (HUVEC) cell lines was evaluated for these 8 helquats. Three of them exhibited cytotoxic effect on tumor cells but no effect was observed on viability of non-tumor cells. Moreover, an effect of these 3 helquats on c-myc expression on both mRNA and protein level, where significant effect on c-myc mRNA expression was not found for most of incubation periods. The 30% decrease in mRNA level was observed only for 24 hours incubation period for two helquats (LS702 and MJ656). The decrease in the expression on protein level was observed for all tested helquats, and helquat LS702 had the...
Detailed record

See also: similar author names
2 Šmídková, Markéta
5 Šmídková, Michaela
4 Šmídková, Monika
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