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| G 0 = |
| Resting
| G 1 = |
| Synthesis of purines and pyrimidines
| S = |
| Synthesis of DNA
| G 2 = |
| Synthesis of components for mitosis
| M = |
| Mitosis
| D = |
| Differentiation
Figure 4.1 Cell Life Cycle
| ural product derived from the yew tree (Taxus brevifolia), which has become a popular chemotherapuetic agent for the treatment of ovarian and lung cancers, has a unique mechanism of action. Rather than inhibiting microtubulin formation at the M-phase (the mitotic phase of the cell, during which time the cell is dividing) the way other plant alkaloids do, taxol inhibits cell division by decreasing the concentration of tubulin required for assembly, thereby keeping it in the Gap-I phase longer than it should and not allowing the cell to get to the mitotic phase for division (see figure 4.1). |
| Sundew (Drosera rotundifolia) |
| Sundew contains the same active components as the Venus's-flytrap plant. I have been using sundew for several years and feel it is most valuable. It repairs genetic malfunction, is cytotoxic, is antiviral, lowers cholesterol, and enhances the action of antibiotics. Its action as an effective nontoxic treatment for many types of cancer is similar in many ways to that of Venus's-flytrap, although sundew has been used much more frequently in traditional medicine. Sundew was traditionally used for irritated mucous membranes, |
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