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Published on: May 14, 2016
Mitosis-targeting natural products for cancer prevention and therapy
Chinthalapally V Rao1, Carla D Kurkjian, Hiroshi Y Yamada
1Center for Cancer Prevention and Drug Development, Medical Oncology, Department of Medicine, Stephenson Oklahoma Cancer Center, University of Oklahoma Health Sciences Center (OUHSC), Oklahoma City, 73104, USA. cv-rao@ouhsc.edu
Abstract:
Mitosis is a complex process resulting in division of a cell into two daughter cells, and its failure often results in the death of the daughter cells (via apoptotic, necrotic, or proliferative/senescent death). Many chemicals that inhibit the mitotic process (anti-mitotic drugs) have proven effective for killing cancer cells in vitro and in clinical settings. Among the most studied anti-mitotic drugs are plant-origin natural products including taxanes (e.g. paclitaxel, docetaxel) and vinca alkaloids (e.g. vincristine, vinblastine), whose validated target is the spindle microtubules. With the success of these agents, efforts have been made to develop other spindle poisons as well as to improve efficacy of existing spindle poisons with structural modifications. Novel drugs and natural products that inhibit other proteins involved in mitosis (nonmicrotubule targets) have been sought in hopes of expanding available cancer-directed therapies. Recently, significant advances have been made in the understanding of mitotic mechanisms in tumor cells as well as in normal epithelial cells. These advances help us to identify and develop potential natural agents for the prevention and treatment of cancer. This review will focus on natural products that target mitotic process and/or proteins involved in mitotic progression.
Insights
Natural products targeting mitosis show promise for cancer treatment. These compounds, including taxanes and vinca alkaloids, disrupt cell division, offering new therapeutic avenues for cancer prevention and therapy.
Area of Science:
- Oncology
- Cell Biology
- Pharmacology
Background:
- Mitosis is crucial for cell division; its disruption leads to cell death.
- Anti-mitotic drugs, particularly plant-derived natural products like taxanes and vinca alkaloids, are effective cancer treatments by targeting spindle microtubules.
- Research is expanding to include non-microtubule targets and novel natural products for cancer therapy.
Purpose of the Study:
- To review natural products that target the mitotic process for cancer treatment.
- To highlight advances in understanding mitotic mechanisms in tumor and normal cells.
- To identify potential natural agents for cancer prevention and therapy.
Main Methods:
- Literature review of natural products affecting mitosis.
- Analysis of existing and novel anti-mitotic agents.
- Focus on both microtubule and non-microtubule mitotic targets.
Main Results:
- Plant-derived natural products like taxanes and vinca alkaloids are established anti-mitotic drugs.
- Development of new spindle poisons and exploration of non-microtubule targets are ongoing.
- Advances in understanding mitosis aid in identifying new natural product-based cancer therapies.
Conclusions:
- Natural products targeting mitosis offer significant potential for cancer treatment.
- Targeting mitotic mechanisms, including non-microtubule pathways, expands therapeutic options.
- Continued research into natural agents can lead to novel strategies for cancer prevention and therapy.
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