期刊
FEBS JOURNAL
卷 287, 期 22, 页码 4838-4843出版社
WILEY
DOI: 10.1111/febs.15307
关键词
endoplasmic reticulum; lipid; lipid droplet; nuclear membrane; nucleus
资金
- Wellcome Trust [108042]
- MRC [G0701446]
- MRC [G0701446] Funding Source: UKRI
The regulation of lipid homeostasis is essential for normal cell physiology, and its disruption can lead to disease. Lipid droplets (LDs) are ubiquitous organelles dedicated to storing nonpolar lipids that are used for metabolic energy production or membrane biogenesis. LDs normally emerge from, and associate with, the endoplasmic reticulum and interact with other cytoplasmic organelles to deliver the stored lipids. Recently, LDs were found to reside also at the inner side of the nuclear envelope and inside the nucleus in yeast and mammalian cells. This unexpected finding raises fundamental questions about the nature of the inner nuclear membrane, its connection with the endoplasmic reticulum and the pathways of LD formation. In this viewpoint, we will highlight recent developments relating to these questions and discuss possible roles of LDs in nuclear physiology.
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