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National Repository of Grey Literature 22 records found  beginprevious21 - 22  jump to record: Search took 0.01 seconds. 
Stress of endoplasmic reticulum and its role for the development of adipose tissue inflammation
 Zemánková, Kateřina ; Rossmeislová, Lenka (advisor) ; Janovská, Petra (referee)
Endoplasmic reticulum (ER) is a cellular organelle responsible for folding of proteins that are then transported to the various places in the cell or secreted. It is also crucial for the synthesis of triglycerides. Metabolic imbalance leads to ER stress and consequently triggers signaling pathway, which is called unfolded-protein response (UPR). The aim of this pathway is to alleviate ER stress, restore natural homeostasis and prevent death of cell. At the same time however, it activates stress kinases and other factors that may perturb insulin signaling and increase expression of proinflammatory cytokines. These signs are characteristic for human obesity, which is associated with reduced tissue's sensitivity to insulin and is considered as a disease with low level of inflammation. Recent studies have suggested that the source of proinflammatory cytokines in obesity are stressed adipocytes and macrophage infiltrated into adipose tissue. Indeed, it has been demonstrated that stress of endoplasmic reticulum is significantly increased in adipose tissue of obese individuals. Weight loss associated with reduction of adipose tissue mass decreases stress while lowers both, the production of proinflammatory cytokines and insulin resistence. This work aims to collect and discuss these new findings, which...
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Promyelocytic leukemia protein function in normal, tumor and senescent human cells
 Rossmeislová, Lenka ; Hozák, Pavel (advisor) ; Forstová, Jitka (referee) ; Anděra, Ladislav (referee)
Promyelocytic leukemia protein (PML) gene encodes a nuclear protein localizing into the nucleoplasm and distinct nuclear bodies, referred to as PML nuclear bodies (PML NBs). PML is now considered as a gene with tumor-suppressive properties since it is implicated in many nuclear functions affecting cellular proliferation, apoptosis and senescence. The presented work is a part of a larger project that aims to clarify the regulation of promyelocytic leukemia protein expression and investigates the role of PML protein in cellular senescence. The specific goals of my PhD project were to evaluate new in vitro models for the study of PML, to elucidate the effects of histone deacetylase inhibitors on PML gene expression, and to investigate the association of PML with the nucleolus.
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National Repository of Grey Literature : 22 records found   beginprevious21 - 22  jump to record:
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