Results: 467

Recent advances in pharmacologic study of natural anticancer agents in China

Mem. Inst. Oswaldo Cruz; 86 (supl.2), 1991
In this paper a number of anticancer agents of natural origin will be presented. Hydroxycamtothecin (HCPT) was found to produce a strong inhibitory action on a variety of animal tumors. It is also effective for treatment of patients with gastric carcinoma, liver carcinoma, tumor of head and neck or leuke...

Studies on bioactive components from Chinese medicinal plants

Mem. Inst. Oswaldo Cruz; 86 (supl.2), 1991
Several novel bioactive components isolated from Chinese medicinal plants will be presented. These include novel maytansinoid tumor, inhibitors, some new ent-kaurane and rosane diterpenoids from Mallotus anomalus Meer et Chun (Euphorbiaceae), as well asnovel insecticide, stemona alkaloids from Stemona pa...

Antitumor activity of chemical modified natural compounds

Mem. Inst. Oswaldo Cruz; 86 (supl.2), 1991
Search of new activity substances starting from chemotherapeutic agents, continously appears in international literature. Perhaps this search has been done more frequently in the field of anti-tumor chemotherapy on account of the unsuccess in saving advanced stage patients. The new point in this matter d...