DROPFAT
Biogenesis of lipid droplets and lipid homeostasis
| Coordinatore | FUNDACIO CENTRE DE REGULACIO GENOMICA
Spiacenti, non ci sono informazioni su questo coordinatore. Contattare Fabio per maggiori infomrazioni, grazie. |
| Nazionalità Coordinatore | Spain [ES] |
| Totale costo | 1˙475˙282 € |
| EC contributo | 1˙475˙282 € |
| 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-2012-StG_20111109 |
| Funding Scheme | ERC-SG |
| Anno di inizio | 2013 |
| Periodo (anno-mese-giorno) | 2013-02-01 - 2018-01-31 |
Partecipanti
| # | ||||
|---|---|---|---|---|
| 1 |
FUNDACIO CENTRE DE REGULACIO GENOMICA
Organization address
address: CARRER DOCTOR AIGUADER 88 contact info |
ES (BARCELONA) | hostInstitution | 1˙475˙282.00 |
| 2 |
FUNDACIO CENTRE DE REGULACIO GENOMICA
Organization address
address: CARRER DOCTOR AIGUADER 88 contact info |
ES (BARCELONA) | hostInstitution | 1˙475˙282.00 |
Mappa
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Obiettivo del progetto (Objective)
'Organisms and cells face a myriad of environmental changes with periods of nutrient surplus and shortage. It is therefore not surprising that in all kingdoms of life, cells have evolved the means to store energy and thereby minimize the effects of environmental fluctuations. While the capability for energy storage has obvious advantages, deregulated energy accumulation can also be detrimental and is the hallmark of many diseases such as obesity. In most cells energy is stored as neutral lipids in a dedicated cellular compartment, the lipid droplets (LDs). LDs are found in virtually every eukaryotic cell and play a central role in cellular lipid and energy metabolism. Despite their ubiquitous presence and importance, the physiology of LDs is poorly understood. LDs are composed of a single lipid layer and therefore distinct from all other cellular compartments. How do LDs originate at the endoplasmic reticulum (ER) and what is the machinery involved? How is the size, number and the storage capacity of the LDs regulated? How are specific proteins and lipids targeted to LDs? Addressing these questions is fundamental for understanding the “life cycle” of LDs and for a global picture of the cellular energy homeostasis. The main goal of this proposal is to reveal the molecular mechanisms controlling neutral lipid dynamics and their storage in LDs. We will focus specifically on the role of the endoplasmic reticulum in the biogenesis of LDs. First, we will identify the ER protein complexes required for LD formation and regulation. Second, we will develop an assay to dissect the targeting of proteins to LDs. Finally, we will develop a cell-free system that recapitulates the biogenesis of LDs in vitro. Altogether, our strategy constitutes a systematic, in-depth analysis of LD dynamics and will lead to significant insight on the mechanisms of cellular energy storage. Our findings will likely offer a better understanding of human pathologies such as obesity and lipodistrophies'