Vliv cytochalasinů na migraci a invazivitu nádorových buněk

Brož, Alexandr

While metastasis causes the majority of cancer related deaths, purely migrastatic drugs have been neglected in clinical research. This trend has been changing in recent years, with drugs capable of preventing metastasis, migrastatics, coming into focus. Cytochalasins are a large group of actin-directed fungal metabolites, often used for cytoskeletal and anticancer research. As the actin cytoskeleton plays a major role in tumour cell invasion and migration, processes integral in metastasis, it is possible that cytochalasins could have a future as migrastatics. The majority of cytochalasin-related research pertains to cytochalasin B and the more potent cytochalasin D, making both a large focus of this thesis, though the lesser researched cytochalasins A, E, H, Q and others are mentioned as well. Cytochalasins B and D have been shown to inhibit migration and invasion of cells with liposome encapsulation reducing side effects greatly, possibly enough to alleviate one of the main concerns of any cytochalasin therapy, toxicity. Though other cytochalasins have also been shown to inhibit cell motility, any conclusions as to their migrastatic translational potential are hard to draw due to the lack of research.

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