pegylated arginine deiminase

Definition / meaning of pegylated arginine deiminase

A substance being studied in the treatment of melanoma, liver cancer, and other types of cancer. It breaks down the amino acid arginine and may block the growth of cancer cells that need arginine to grow. It is a type of iminohydrolase. Also called ADI-PEG 20.

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The Web site of the National Cancer Institute (

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