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• W136475170 abstract "Epithelial to mesenchymal transition (EMT) is a type of epithelial cell plasticity which is characterized by long lasting phenotypic and molecular modifications of the epithelial cell as a result of a transforming procedure leading to a cell of mesenchymal type. This molecular procedure seems to be pivotal for the metastasis of epithelial cancers and its attribution to the epithelial cells is the gain of phenotypic characters which enable them to invade the tissues. EMT apart from metastasis is also an important molecular phenomenon during embryogenesis and inflammation. The target of this project is a scan through the recent bibliography about EMT. Specifically the project’s first part is going to present the molecules that induce the phenomenon followed by the activation of the complicated signaling pathways of the cell. These paths which are consisted of nodal molecules lead the sing towards the nucleus where it interacts with transcription factors. The conclusion is the regulation of the transcription of some important genes for the phenotypic alteration of the epithelial cell to a cell with mesenchymal characters. The next subject with which this project is going to deal is the thorough presentation of the alterations of the epithelial cell. These include basically the abolishment of the adherence junctions and the reconstruction of the cytoskeleton with the formation of new structures such as filopodia and lamellipodia which endows the cell with the potential of kinesis. Additionally the transformed cells produce new proteins like N-cadherin and vimentin. They also modify the production of a family of proteins with unique importance for the EMT, the so called metalloproteinases. Moreover the cell which has gone through the impact of EMT phenomenon has the ability to induce neovascular formation and at the same time acquires molecular mechanisms to avoid the programmed cell death, known as apoptosis. Finally the transformed epithelial cell implies a phenotypic modification even to the surrounding stroma of the cancer with which the epithelial cells constitute a functional harmonic unit. From one hand the modification of the stroma activates it and the activated stroma from the other hand implies an intense impact to the most molecular subjects that are related to EMT. Metastasis is a rapid development in the ominous course of cancer. The effort to deceive the molecular basis of this phenomenon is not a subject of simple academic interest since the exploit of the molecular mechanisms so as to gain the control of metastasis could be the ‘bet’ for a futuristic ‘molecular surgery’." @default.
• W136475170 created "2016-06-24" @default.
• W136475170 creator A5080071523 @default.
• W136475170 date "2005-09-20" @default.
• W136475170 modified "2023-09-27" @default.
• W136475170 title "Το φαινόμενο επιθηλιακής προς μεσεγχυματική μετατροπή κατά την μετάσταση επιθηλιακών καρκινικών κυττάρων" @default.
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