Whitehead Institute researchers have identified a previously unrecognized layer of genetic regulation that is necessary for the generation of undesirable white fat cells. When this regulation is disrupted, white fat cells are unable to accumulate lipid droplets or mature from their precursors. In the quest to understand fat-cell generation and maintenance, the Lodish lab scanned mouse fat cells to determine which of the cells' long noncoding RNAs (lncRNAs) are active. Of the 175 identified, 10 lncRNAs were found to play significant roles in these cells.
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