The cytostatic activities of Agave intermixta L. (Agavaceae) and Cissus sic
yoides L, (Vitaceae) have been determined. In the antimitotic assay, Agave
intermixta L, showed complete inhibition of cell division at 24 h of treatm
ent, Both species showed a moderate cytostatic activity against HEp-2 cells
, Cissus sicyoides L, being the most active species. Copyright (C) 2000 Joh
n Wiley & Sons, Ltd.