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pegylated arginine deiminase

(PEH-guh-LAY-ted AR-jih-neen DEE-IH-mih-nays)
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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