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Can I read The molecular pharmacology of symplostatin 1: A new antimitotic dolastatin 10 analog on EtoBox?

The molecular pharmacology of symplostatin 1: A new antimitotic dolastatin 10 analog by Susan L. Mooberry; Rachel M. Leal; Tina L. Tinley; Hendrik Luesch; Richard E. Moore; Thomas H. Corbett is a Medicine article available to read on EtoBox.

What is The molecular pharmacology of symplostatin 1: A new antimitotic dolastatin 10 analog about?

## Abstract Symplostatin 1, an analog of dolastatin 10, was recently isolated from cyanobacteria of the genus __Symploca__. Symplostatin 1 is a potent inhibitor of cell proliferation with IC~50~ values in the low nanomolar range and it exhibits efficacy against a variety of cancer cell types. Symplostatin 1 caused the formation of abnormal mitotic spindles and accumulation of cells in metaphase at concentrations that had only minor effects on interphase microtubules. At higher concentrations, symplostatin 1 caused the loss of interphase microtubules. Cell cycle analysis revealed that symplostatin 1 caused G~2~/M arrest, consistent with its effects on mitotic spindles. Symplostatin 1 initiated the phosphorylation of Bcl‐2, formation of micronuclei and activation of caspase 3, indicating induction of apoptosis. The cellular effects of symplostatin 1 are consistent with other antimitotic tubulin‐targeting drugs. Tubulin polymerization experiments indicated that symplostatin 1 potently inhibits the assembly of purified tubulin, suggesting that tubulin may be its intracellular target. Some microtubule‐targeting agents are reported to have antiangiogenic activity and therefore the effect

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Author
Susan L. Mooberry; Rachel M. Leal; Tina L. Tinley; Hendrik Luesch; Richard E. Moore; Thomas H. Corbett
Publisher
John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley; Research Square; Test accounts (ISSN 0020-7136)
Published
2003
Language
EN
Field
Medicine (Health Sciences)

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