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Apoptosis is intimately connected to cell cycle regulation via the Retinoblastoma (Rb)-E2F pathway and thereby serves an essential role in tumor suppression by eliminating aberrant hyperproliferative cells. Upon loss of Rb activity, an apoptotic response can be elicited through both p53-dependent and p53-independent mechanisms. While much of this apoptotic response has been attributed to the p19ARF/p53...
PUMA (p53 upregulated modulator of apoptosis) is a pro-apoptotic member of the BH3-only subgroup of the Bcl-2 family. It is a key mediator of p53-dependent and p53-independent apoptosis and was identified 10 years ago. The PUMA gene is mapped to the long arm of chromosome 19, a region that is frequently deleted in a large number of human cancers. PUMA mediates apoptosis thanks to its ability to directly...
Adriamycin (ADR) – the antineoplastic antibiotics has confirmed proapoptotic activity, mainly on neoplastic cells and young quick dividing cells. Cardiotoxicity of Adriamycin is limitating in antineoplastic therapy. The purpose of study was an evaluation of internal pathway of induction of signal to the apoptosis in myocardial cells of rat, which had administered Adriamycin. The sign of late cardiotoxicity...
Cell death is an essential event in normal life and development, as well as in the pathophysiological processes that lead to disease. It has become clear that each of the main cellular organelles can participate in cell death signalling pathways, and recent advances have highlighted the importance of the endoplasmic reticulum (ER) in cell death processes. In cells, the ER functions as the organelle...
Galectin-3 is a 31 kDa member of a growing family of b-galactosidebinding animal lectins. This protein is expressed in a variety of tissues and cell types and is mainly found in the cytoplasm, although, depending on cell type and proliferative state, a significant amount of this lectin can also be detected in the nucleus, on the cell surface or in the extracellular environment. Galectin-3 is secreted...
Several studies have shown a link between gastrin and gastric cancer, both in humans and animals, especially infected with Helicobacter pylori (H. pylori). However, the exact role of hypergastrinemia in gastric carcinogenesis remains still undetermined. The aim of the present study was to evaluate the interaction between gastrin, cyclooxygenase-2 (COX-2), hepatocyte growth factor (HGF) and apoptosis-related...
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