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Cited by 199

The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.

Use of the Novel Plk1 Inhibitor ZK-Thiazolidinone to Elucidate Functions of Plk1 in Early and Late Stages of Mitosis

Open access
Santamaria, Anna, Neef, Rüdiger, Eberspächer, Uwe, Eis, Knut, Husemann, Manfred, Mumberg, Dominik, Prechtl, Stefan, Schulze, Volker, Siemeister, Gerhard, Wortmann, Lars, Barr, Francis A., Nigg, Erich A.·2007·Molecular Biology of the Cell

Abstract

Polo-like kinase 1 (Plk1) is a key regulator of mitotic progression and cell division in eukaryotes. It is highly expressed in tumor cells and considered a potential target for cancer therapy. Here, we report the discovery and application of a novel potent small-molecule inhibitor of mammalian Plk1, ZK-Thiazolidinone (TAL). We have extensively characterized TAL in vitro and addressed TAL specificity within cells by studying Plk1 functions in sister chromatid separation, centrosome maturation, and spindle assembly. Moreover, we have used TAL for a detailed analysis of Plk1 in relation to PICH and PRC1, two prominent interaction partners implicated in spindle assembly checkpoint function and cytokinesis, respectively. Specifically, we show that Plk1, when inactivated by TAL, spreads over the arms of chromosomes, resembling the localization of its binding partner PICH, and that both proteins are mutually dependent on each other for correct localization. Finally, we show that Plk1 activity is essential for cleavage furrow formation and ingression, leading to successful cytokinesis.

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Metadata

Authors
Santamaria, A., Neef, R., Eberspächer, U., Eis, K., Husemann, M., Mumberg, D., Prechtl, S., Schulze, V., Siemeister, G., Wortmann, L., Barr, F. A., & Nigg, E. A.
Venue
Molecular Biology of the Cell
Published
2007-10
Volume
18
Issue
10
Pages
4024-4036
ISSN
  • 1059-1524 (ISSN-L)
  • 1939-4586
OpenAlex
W2023742279
Cited by
199
References
3
FWCI
9.17
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Use of the Novel Plk1 Inhibitor ZK-Thiazolidinone to Elucidate Functions of Plk1 in Early and Late Stages of Mitosis. https://app.cochat.ai/papers/10.1091/mbc.e07-05-0517
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Santamaria, A., Neef, R., Eberspächer, U., Eis, K., Husemann, M., Mumberg, D., Prechtl, S., Schulze, V., Siemeister, G., Wortmann, L., Barr, F. A., & Nigg, E. A. (2007). Use of the Novel Plk1 Inhibitor ZK-Thiazolidinone to Elucidate Functions of Plk1 in Early and Late Stages of Mitosis. Molecular Biology of the Cell. https://doi.org/10.1091/mbc.e07-05-0517

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.