SnapShot: Lipid Droplets
Author(s) -
Natalie Krahmer,
Yi Guo,
Robert V. Farese,
Tobias C. Walther
Publication year - 2009
Publication title -
cell
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 26.304
H-Index - 776
eISSN - 1097-4172
pISSN - 0092-8674
DOI - 10.1016/j.cell.2009.11.023
Subject(s) - biology , snapshot (computer storage) , lipid droplet , computational biology , microbiology and biotechnology , computer science , operating system
Lipid droplets (LDs) are universal cellular organelles that specialize in the storage of neutral lipids, such as sterol esters and triacylglycerols (see Essay by Farese and Walther, this issue). As such, they provide the main cellular reservoir for lipids of energy storage and membrane synthesis, and they protect cells from the lipotoxic effects of unesterified lipids. LDs also figure prominently in several diseases, including obesity, type 2 diabetes, liver steatosis, and atherosclerosis, which are characterized by the extensive accumulation of LDs in different cell types and tissues. Additionally, oils produced through the engineering of plant seeds and microorganisms (e.g., for production of biofuels) accumulate in LDs. LDs may also provide a cellular platform for specific proteins and processes. Intriguingly, several important intracellular pathogens, such as the hepatitis C virus and
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