Abstract
Summary
5′-adenylic acid deaminase activity of a spectrum of transplantable rat tumor homogenates was determined, and all tumors studied possessed deaminase activity. Activity in the primary hepatoma induced by 3′-methyl − 4 - dimethylaminoazobenzene was equivalent to that of normal liver, while the Novikoff hepatoma and a transplanted hepatoma (MDAB) had significantly higher deaminase activity than either the primary hepatoma or normal liver.
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