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Related Concept Videos

The Cell Cycle Control System02:11

The Cell Cycle Control System

The cell cycle is an organized set of events that leads the cell to divide into two daughter cells, each containing chromosomes identical to the parent cell. It is the cell cycle that leads to the formation of an entire organism from a single-cell zygote. Besides, cell division also functions in the renewal or repair of tissues in adult multicellular eukaryotes. For example, in the bone marrow, the stem cells divide to form new blood cells. Although essential for several functions, cell...
The Cell Cycle Control System02:11

The Cell Cycle Control System

The cell cycle is an organized set of events that leads the cell to divide into two daughter cells, each containing chromosomes identical to the parent cell. It is the cell cycle that leads to the formation of an entire organism from a single-cell zygote. Besides, cell division also functions in the renewal or repair of tissues in adult multicellular eukaryotes. For example, in the bone marrow, the stem cells divide to form new blood cells. Although essential for several functions, cell...
The Cell Cycle Control System01:28

The Cell Cycle Control System

The cell cycle regulation directs how a cell proceeds from one phase to the next and begins mitosis. The cell cycle control system includes intracellular regulatory molecules and external triggers. They provide "stop" or "advance" signals and operate at specific cell cycle stages termed checkpoints to ensure that a particular process is completed before the cell advances to the next phase.
Cyclins and cyclin-dependent kinases (Cdks) are the primary cell cycle regulators and function at the cell...

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Related Experiment Video

Updated: Jun 15, 2026

Studying Proteolysis of Cyclin B at the Single Cell Level in Whole Cell Populations
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A vertically integrated system for tracking and assessing cell-cycle-aware phenotypes under confinement.

Melissa Pezzotti1, Eloisa Torchia1, Julius Zimmermann1

  • 1Synthetic Physiology Lab, Department of Civil Engineering and Architecture, University of Pavia, Pavia, Italy.

APL Bioengineering
|March 9, 2026
PubMed
Summary
This summary is machine-generated.

Spatial confinement impacts cell migration and cell-cycle (CC) progression. This study developed a platform to track these dynamics, revealing CC-dependent migration variations and unique abnormal CC events under confinement.

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Area of Science:

  • Quantitative cell biology
  • Mechanobiology
  • Live-cell imaging

Background:

  • Cell migration and cell-cycle (CC) progression are often studied independently.
  • Understanding their interplay under spatial constraints is crucial but challenging.
  • Existing assays lack the dynamic and high-throughput capabilities for confined environments.

Purpose of the Study:

  • To develop an integrated platform for simultaneous live-cell tracking of migration and CC dynamics.
  • To investigate the effects of planar confinement on cell behavior and CC progression.
  • To enable CC-aware mechanobiology studies under controlled spatial constraints.

Main Methods:

  • A vertically integrated platform combining multiplexed fluorescent reporters (for CC phases, actin, tubulin) and photopatterned extracellular matrix islands.
  • An automated imaging pipeline (Fab2Mic) for high-throughput, live-cell tracking.
  • Utilized HT1080 fibrosarcoma cells to study migration and CC dynamics under planar confinement.

Main Results:

  • Planar confinement reduced cell area, cytoskeletal spread, and altered CC phase distributions.
  • Observed increased abnormal CC events, including prolonged G1 and mitotic slippage, unique to confinement.
  • Dynamic imaging revealed CC-dependent motility, with faster migration during the G1 phase.

Conclusions:

  • The developed platform provides access to dynamic phenotypes previously inaccessible to static assays.
  • This system enables systematic, CC-aware mechanobiology studies under controlled confinement.
  • Offers a scalable approach for mechanistic investigations and screening applications in cell biology.