DAP-81 is a potent inhibitor of Polo-like kinases (PLKs), a group of essential serine/threonine kinases involved in cell cycle regulation. This compound has been shown to dose-dependently increase the formation of monopolar spindles in treated cells, indicating its role in disrupting normal mitotic spindle assembly. High-resolution live-cell microscopy studies demonstrate that PLK activity is crucial for the integrity of bipolar mitotic spindles. By inhibiting PLK activity, DAP-81 destabilizes centromeric microtubules while enhancing the stability of other spindle microtubules, making it a valuable tool for researchers investigating cell division and potential anti-microtubule agents.
DAP-81 is a potent inhibitor of Polo-like kinases (PLKs), a group of essential serine/threonine kinases involved in cell cycle regulation. This compound has been shown to dose-dependently increase the formation of monopolar spindles in treated cells, indicating its role in disrupting normal mitotic spindle assembly. High-resolution live-cell microscopy studies demonstrate that PLK activity is crucial for the integrity of bipolar mitotic spindles. By inhibiting PLK activity, DAP-81 destabilizes centromeric microtubules while enhancing the stability of other spindle microtubules, making it a valuable tool for researchers investigating cell division and potential anti-microtubule agents.
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