HYPOXICMICRORNAS
Deciphering the microRNA response to hypoxia
| Coordinatore | KOBENHAVNS UNIVERSITET
Spiacenti, non ci sono informazioni su questo coordinatore. Contattare Fabio per maggiori infomrazioni, grazie. |
| Nazionalità Coordinatore | Denmark [DK] |
| Totale costo | 1˙478˙508 € |
| EC contributo | 1˙478˙508 € |
| Programma | FP7-IDEAS-ERC
Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013) |
| Code Call | ERC-2010-StG_20091118 |
| Funding Scheme | ERC-SG |
| Anno di inizio | 2010 |
| Periodo (anno-mese-giorno) | 2010-11-01 - 2015-10-31 |
Partecipanti
| # | ||||
|---|---|---|---|---|
| 1 | KOBENHAVNS UNIVERSITET | DK | hostInstitution | 1˙478˙508.00 |
| 2 | KOBENHAVNS UNIVERSITET | DK | hostInstitution | 1˙478˙508.00 |
Mappa
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Obiettivo del progetto (Objective)
'Maintaining oxygen homeostasis is an essential requirement for all metazoa. Oxygen is required for efficient generation of energy, however, as oxygen levels decrease (hypoxia), cells mount a variety of adaptive responses. Each cell in the body can sense and respond to hypoxia, yet the molecular mechanisms that regulate these responses are only beginning to be delineated. Hypoxia plays crucial roles in the pathophysiology of cancer, neurological dysfunction, myocardial infarction and lung disease. Therefore, the goal of the proposed research is to better understand how cells sense and adapt to hypoxia. To this end, I am using the powerful genetic model of Caenorhabditis elegans to identify novel molecular mechanisms required for oxygen homeostatic responses. A critical regulator of hypoxic responses in all cell types is the conserved hypoxia-inducible factor (HIF-1). In response to a hypoxic insult, HIF-1 transcriptionally regulates a wide variety of target genes to facilitate adaptation. Recent studies indicate that in addition to the canonical HIF-1 pathway, microRNAs (miRNAs) play important roles in hypoxic response mechanisms. miRNAs are regulatory molecules that predominantly repress protein production of their target genes, however, their roles in hypoxic adaptation are poorly understood. I recently found that specific phylogenetically conserved miRNAs are regulated by hypoxia in C. elegans; and that the function of these miRNAs is required for survival of animals in low oxygen conditions. This is truly an emerging field of science and I expect to make groundbreaking discoveries in the regulation of hypoxic and metabolic responses by miRNAs, which will improve our understanding of many disease processes. The proposed research will 1) analyze the functional roles of specific miRNAs in hypoxic responses and 2) utilize immunoprecipitation, bioinformatics and genetic screening combined with state-of-the-art deep sequencing technology to identify novel miRNA targets required for adaptation to hypoxia.'