About: Function of Positive Transcription Elongation Factor b (P-TEFb) in cardiac hypertrophy     Goto   Sponge   NotDistinct   Permalink

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Description
  • Cardiac hypertrophy and ensuing heart failure are among the most common causes of mortality worldwide. Among many clinical symptoms, cardiac hypertrophy is recognized by elevated growth of heart wall due to global increase in RNA and protein synthesis. Interestingly, the same signaling pathways responsible for adaptive growth of heart during development and exercise are involved in the pathological growth of heart wall as well. Not surprisingly, these signaling pathways target and consequently activate common downstream transcription factor called Positive Transcription Elongation Factor b (P-TEFb) directing transition from abortive to productive elongation phase of transcription resulting in augmented production of RNA. The main goal of this study is to explore in great detail differences between signaling pathways upstream of activation of P-TEFb leading to either adaptive or pathological heart growth, to characterize function and relevance of specific post-translational modifications of P-TEFb involved in its activation and finally to examine if modulation of signaling pathways upstream of P-TEFb or inhibition of its activity by specific inhibitors could be beneficiary to other current approaches used in the treatment of cardiac hypertrophy. (en)
  • Cílem studie je definovat mechanismy odpovědné za narušení rovnováhy v signálních drahách během normálního a patologického růstu srdce a charakterizovat funkci specifických post-translačních modifikací P-TEFb komplexů během tohoto procesu.
Title
  • Function of Positive Transcription Elongation Factor b (P-TEFb) in cardiac hypertrophy (en)
  • Funkce Pozitivního Transkripčního Elongačního Faktoru b (P-TEFb) v hypertrofii srdce
skos:notation
  • GA301/09/1832
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  • hypertrofie srdce; signální dráhy; regulace transkripce; adrenergní receptor alfa a beta (en)
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  • The project gone according to plan both in terms of expertise and in terms of disbursement of funds. (en)
  • Řešení projektu proběhlo podle plánu jak z hlediska odborného tak i z hlediska čerpání finančních prostředků. (cs)
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  • regulace transkripce
  • signální dráhy
  • hypertrofie srdce
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