Abstract
Summary
Protease activity of rat skin homografts and autografts was estimated at varying intervals for 16 days after transplantation. An enzyme hydrolyzing ATyEe was considerably decreased throughout the period in the autografts as well as in the homografts. Another enzyme, acting on TAMe, showed a marked increase in the homografts beginning on the 5th or 6th day; it was slightly elevated in the autografts. The possibility of this enzyme taking part in homograft rejection is being further investigated.
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