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Dis-organizing centrosomal clusters: specific cancer therapy for a generic spread?
D Bhakta-Guha, M E M Saeed, H J Greten
1Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Mainz, Staudinger Weg 5, 55128 Mainz, Germany. efferth@uni-mainz.de.
Current Medicinal Chemistry
|December 18, 2014
Summary
Targeting cancer cell division by inhibiting centrosome clustering offers a novel therapeutic strategy. This approach disrupts cancer cell replication, leading to cell death and potential new anti-cancer drug development.
Area of Science:
- Oncology
- Cell Biology
- Drug Discovery
Background:
- Cancer remains a leading cause of mortality with rising incidence.
- Established chemotherapy faces challenges due to resistance and side effects.
- Targeted therapies aim for increased specificity by attacking tumor-specific mechanisms.
Purpose of the Study:
- To review the biological understanding of centrosome clustering.
- To identify compounds that inhibit centrosome clustering and induce cancer cell death.
- To present in silico results for compounds binding to gamma-tubulin.
Main Methods:
- Literature review of centrosome biology and clustering inhibitors.
- Compilation of known compounds targeting centrosome clustering.
- In silico analysis of compound binding to gamma-tubulin.
Main Results:
- Supernumerary centrosomes in tumors promote aneuploidy via multipolar spindles.
- Tumor cells cluster centrosomes to avoid multipolar spindle formation and cell death.
- Several compounds, including indolquinolizines, QLT-0267, EM011, TC11, griseofulvin, PJ-34, CCC1-01, CW069, GF-15, colcemid, nocodazole, paclitaxel, and vinblastine, induce multipolar spindles.
- In silico analysis identified GF-15, CW069, paclitaxel, and larotaxel with high binding efficacy to gamma-tubulin.
- GF-15 showed the strongest binding with -8.4 Kcal/mol energy and 0.7 μM Pki.
Conclusions:
- Inhibition of centrosome clustering is a promising anti-cancer strategy.
- Compounds like GF-15 demonstrate significant potential for targeted cancer therapy.
- Further research into these compounds could lead to novel anti-cancer drugs.
