The effects of an indigenous drug, Tridax procumbens L. (Compositae), on developing granulation tissue in rats were studied. Subcutaneously harvested granuloma tissue formed on dead space wound was removed at 4 day intervals up to 32 days of wounding. Lysyl oxidase activity, protein content, specific activity, and breaking strength were all increased in drug-treated animals as compared to controls. A fall in the lysyl oxidase activity was observed in drug-treated animals after day 8. The drug may be having a dual role: one a stimulatory (direct) effect in the initial phase of wound healing and the other a depressant (indirect) effect in the later stage.
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Udupa et al. (1991) studied this question.