Word: schizatrypanum
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...discoverers' initials) is derived from Schizatrypanum cruzi, a South American trypanosome that has an affinity for cancer cells. When injected into cancerous mice, it gradually dissolves their tumors, but also kills the mice. Roskin & Klyueva developed a toxin from killed trypanosomes that dissolved cancer cells but was harmless to healthy cells. The cancer-destroying element, they concluded, was not the trypanosome itself but a toxin which it secreted. The toxin has proved safe for human patients...
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