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Related Experiment Video

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Microscopy-Based Automated Live Cell Screening for Small Molecules That Affect Ciliation.

Peishan Zhang1,2, Anna A Kiseleva2,3, Vladislav Korobeynikov2,4

  • 1School of Pharmacy, Jiangsu University, Zhenjiang, China.

Frontiers in Genetics
|February 28, 2019
PubMed
Summary
This summary is machine-generated.

Researchers developed novel autofluorescent cell lines to study primary cilia dynamics. These tools aid in identifying small molecules that regulate ciliary assembly and disassembly, crucial for understanding ciliopathies and cancer.

Keywords:
ADPKDaurora kinase Aciliary disassemblydrugsheat shock protein 90high content imagingscreeningtargeted therapy

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Area of Science:

  • Cell Biology
  • Molecular Biology
  • Genetics

Background:

  • The primary monocilium (cilium) is a critical signaling organelle in mammalian cells.
  • Cilia dysfunction causes genetic disorders like autosomal dominant polycystic kidney disease (ADPKD).
  • Ciliation is linked to cell cycle regulation, development, and cancer, making its study vital.

Purpose of the Study:

  • To create and evaluate novel autofluorescent cell lines for real-time primary cilium imaging.
  • To facilitate high-throughput screening for small molecules affecting ciliary dynamics.
  • To identify regulators of ciliary assembly and disassembly for therapeutic development.

Main Methods:

  • Development of three hTERT-RPE1-derived autofluorescent cell lines stably expressing ciliary-targeted fluorescent proteins (L13-Arl13bGFP, pEGFP-mSmo, tdTomato-MCHR1-N-10).
  • Utilizing these cell lines for live-cell imaging to observe primary cilium dynamics.
  • Application in high-throughput screening of small molecule compound libraries.

Main Results:

  • Successfully generated and validated three distinct autofluorescent cell lines for ciliary studies.
  • Demonstrated the utility of these cell lines in observing ciliary assembly and disassembly.
  • Established a platform for identifying novel regulators of ciliation.

Conclusions:

  • The developed autofluorescent cell lines are effective tools for studying primary cilium biology.
  • These cell lines enable efficient screening for compounds that modulate ciliary function.
  • This research advances the understanding of ciliopathies and provides avenues for drug discovery.