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Calcium and mitosis

M Whitaker1

  • 1Department of Physiological Sciences, Medical School, Newcastle upon Tyne, United Kingdom.

Progress in Cell Cycle Research
|January 1, 1997
PubMed
Summary
This summary is machine-generated.

Calcium signals are crucial for cell division (mitosis). Research shows these calcium transients regulate mitosis entry and exit in various embryos, suggesting calcium is a universal mitotic signal.

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Area of Science:

  • Cell Biology
  • Developmental Biology

Background:

  • Calcium ions (Ca2+) play a known role in cell cycle regulation.
  • Fertilization in vertebrate eggs involves a calcium transient that triggers anaphase onset.

Purpose of the Study:

  • To investigate the role of calcium signals in controlling mitosis entry and exit.
  • To explore the potential of calcium as a universal mitotic signal.

Main Methods:

  • Utilized advanced imaging techniques in sea urchin embryos.
  • Reviewed existing experimental data from mouse and frog embryos.

Main Results:

  • Identified smaller calcium signals regulating mitosis entry and exit in sea urchin embryos.
  • Evidence suggests similar calcium signaling functions in mouse and frog embryos.

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  • Calcium oscillations appear to be characteristic of the mitotic state.

    • Conclusions:

    • Calcium signaling is implicated in the precise control of mitosis.
    • Calcium may function as a universal signal for mitosis across diverse species.
    • Further research is needed to elucidate the links between calcium signals and mitotic kinase activation.