Definition of "caspase" [caspase]

• Any of several intracellular proteolytic enzymes that mediate apoptosis (noun)

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• "The study, published today in the Journal Nature, used mice that were genetically engineered with deadbeat cells that carry a molecule, called caspase 8."
• "Scientists exposed genetically engineered mice to a drug that activates a molecule called caspase 8 that kills senescent cells."
• "They found that the molecule called caspase, which was already well known for killing cells, could be used to target specific cancerous ones."