Nicol Straková

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The nuclear receptors PPARs (peroxisome proliferator-activated receptors) are transcription factors activated by specific ligands. PPARs play an important role in carcinogenesis, inflammation, atherosclerosis, lipid metabolism and diabetes. There is evidence that activation of PPARs by specific ligands is able to suppress the growth of different types of(More)
Glioblastoma multiforme is the most common malignant brain tumor in adults, and it is among the most lethal of all cancers. Recent studies have shown that ligand activation of peroxisome proliferator-activated receptor (PPAR)-gamma can induce differentiation and inhibit proliferation of several cancer cells. In this study, we have investigated whether one(More)
Proteins of STAT family belongs to the transcription factors. Through their binding to the DNA specific sites and consequent regulation of transcription of various genes, these signaling proteins play an important role in many cell functions. Recent studies demonstrated persistent activation of STATs and loss of their natural inhibitors SOCS and PIAS in(More)
Intestinal homeostasis is precisely regulated by a number of endogenous regulatory molecules but significantly influenced by dietary compounds. Malfunction of this system may result in chronic inflammation and cancer. Dietary essential n-3 polyunsaturated fatty acids (PUFAs) and short-chain fatty acid butyrate produced from fibre display anti-inflammatory(More)
The clonogenic assay is a well-established in vitro method for testing the survival and proliferative capability of cells. It can be used to determine the cytotoxic effects of various treatments including chemotherapeutics and ionizing radiation. However, this approach can also characterize cells with different phenotypes and biological properties, such as(More)
PURPOSE Although beneficial effects of the dietary n-3 docosahexaenoic acid (DHA) or butyrate in colon carcinogenesis have been implicated, the mechanisms of their action are not fully clear. Here, we investigated modulations of composition of individual phospholipid (PL) classes, with a particular emphasis on cardiolipins (CLs), in colon cells treated with(More)
c) The number of text pages, number of tables, figures, and references, and the number of words in the Abstract, Introduction and Discussion (each item should be placed on a separate line) Text pages: 33 Number of tables: 1 Number of figures: 8 Number of references: 40 Number of words in the Abstract: 249 Number of words in the Introduction: 669 Number of(More)
Checkpoint-mediated dependency of tumor cells can be deployed to selectively kill them without substantial toxicity to normal cells. Specifically, loss of CHK1, a serine threonine kinase involved in the surveillance of the G2-M checkpoint in the presence of replication stress inflicted by DNA-damaging drugs, has been reported to dramatically influence the(More)
Plasticity of cancer cells, manifested by transitions between epithelial and mesenchymal phenotypes, represents a challenging issue in the treatment of neoplasias. Both epithelial-mesenchymal transition (EMT) and mesenchymal-epithelial transition (MET) are implicated in the processes of metastasis formation and acquisition of stem cell-like properties.(More)