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Related Experiment Video

Updated: May 9, 2026

Generating a "Humanized" Drosophila S2 Cell Line Sensitive to Pharmacological Inhibition of Kinesin-5
11:09

Generating a "Humanized" Drosophila S2 Cell Line Sensitive to Pharmacological Inhibition of Kinesin-5

Published on: January 20, 2016

Development of a Drosophila cell-based error correction assay.

Jeffrey D Salemi1, Philip T McGilvray, Thomas J Maresca

  • 1Biology Department, University of Massachusetts , Amherst, MA , USA.

Frontiers in Oncology
|July 27, 2013
PubMed
Summary

Researchers developed a new cell model to study how cells correct errors during division, which is crucial for preventing chromosomal instability and understanding cancer development.

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Human dynein-dynactin is a fast processive motor in living cells.

eLife·2026
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Grip it and rip it.

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CTCF maintains centromere function and mitotic fidelity.

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Proximity-based activation of AURORA A by MPS1 potentiates error correction.

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Proximity-based activation of AURORA A by MPS1 potentiates error correction.

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Multimerization of a disordered kinetochore protein promotes accurate chromosome segregation by localizing a core dynein module.

The Journal of cell biology·2024

Area of Science:

  • Cell Biology
  • Genetics
  • Cancer Research

Background:

  • Accurate genome transmission during cell division relies on microtubule-kinetochore interactions.
  • Errors in these interactions can lead to chromosomal instability (CIN), a hallmark of cancer.
  • Understanding error correction mechanisms is vital for cancer research.

Purpose of the Study:

  • To establish a novel cell-based platform in Drosophila S2 cells for studying kinetochore-microtubule error correction.
  • To overcome limitations of existing methods, particularly the lack of suitable inhibitors for Drosophila kinesin-5.

Main Methods:

  • Functionally replaced Drosophila kinesin-5 (Klp61F) with human kinesin-5 (Eg5) in S2 cells.
  • Induced monopolar spindles using kinesin-5 inhibitor S-trityl-L-cysteine (STLC).
Keywords:
Drosophilaaurora B kinaseerror correctionkinesin-5kinetochorespindle

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Last Updated: May 9, 2026

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Published on: January 20, 2016

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  • Monitored error correction upon inhibitor washout, assessing dependence on Aurora B kinase.

    • Main Results:

    • Eg5 expression enabled STLC-induced monopolar spindle formation in S2 cells.
    • Spindle bipolarity was restored and error correction occurred after STLC removal.
    • Error correction in this system was dependent on Aurora B kinase activity.

    Conclusions:

    • A new, powerful cell-based system in Drosophila S2 cells was established for studying error correction.
    • This platform facilitates research into the molecular basis of CIN and potential therapeutic strategies.