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lncRNA MIAT expression in cancer cells.
Jursová, Pavlína ; Eckschlager, Tomáš (advisor) ; Sztacho, Martin (referee)
LncRNAs have been shown, in many cases, to function as important regulators for gene expression and thus, they can play a critical role in various biological functions and disease processes including cancer. Myocardial infarction associated transcript (MIAT) is one of the non-coding RNAs first identified as lncRNA in 2006 and originally isolated as a candidate gene for myocardial infarction. This long non-coding RNA is also involved in other diseases such as diabetic retinopathy, paranoid schizophrenia or microvascular dysfunction. MIAT has also been identified as a carcinogenic regulator in many malignant tumors. Numerous researches have reported that MIAT silencing reduces cell viability, proliferation and invasivity and enhances cellular senescence and apoptosis of cancer cells. Therefore, it is considered a potential biomarker and therapeutic target in cancer. MIAT is involved in cellular processes through various mechanisms. It regulates alternative splicing, gene expression or functions through ceRNA mechanism and thus influences biological processes related to the tumor formation. Furthermore, in this study have been found that relative expression of MIAT was increased in Ewing sarcoma cell lines.
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