Scientists at Weill Cornell Medicine have discovered that the nucleolus, long known for its role in protein production, functions as a biological timer that could determine cellular lifespan.
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Keeping a cell's nucleolus compact may be key to fighting agingThe nucleolus isolates the rDNA which encodes the RNA portions of the ribosomes, the protein-building machinery. The rDNA is one of the most fragile parts of the genome, due to its repetitive ...
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