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Christian de Duve, 95, dies; Nobel-winning biochemist

 

“[Dr. de Duve] discovered the lysosome, a tiny sack filled with enzymes that functions like a garbage disposal, destroying bacteria or parts of the cell that are old or worn out. His discoveries helped unravel the biology of Tay-Sachs disease and more than two dozen other genetic diseases in which a shortage of lysosomal enzymes causes waste to accumulate in cells and eventually destroy them.”