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Mechanism of Ciliary Motion

Mechanism of Ciliary Motion

The ciliary structures were first seen in 1647 by Antonie Leeuwenhoek while observing the protozoans. In lower organisms, these appendages are responsible for cell movement, while in higher organisms, these appendages help in the movement of the extracellular fluids within the body cavities.
The cilia are made up of microtubules in a 9+2 arrangement, with nine microtubule doublet ring bundles, surrounding a pair of central singlet microtubule bundles. The doublet microtubule bundles are...

Mechanism of Ciliary Motion

Mechanism of Ciliary Motion

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Related Experiment Video

Updated: May 7, 2026

Observation of the Ciliary Movement of Choroid Plexus Epithelial Cells Ex Vivo

Observation of the Ciliary Movement of Choroid Plexus Epithelial Cells Ex Vivo

Published on: July 13, 2015

Ciliary motility activity measurement using a dense optical flow algorithm.

Eduardo Parrilla, Miguel Armengot, Manuel Mata

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference

|October 11, 2013

Summary

This summary is machine-generated.

Respiratory syncytial virus (RSV) significantly impairs cilia motility in respiratory cells, a key factor in mucus clearance. An automated optical flow method accurately quantifies this reduced cilia activity in RSV infections.

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Related Experiment Videos

Last Updated: May 7, 2026

Observation of the Ciliary Movement of Choroid Plexus Epithelial Cells Ex Vivo

Observation of the Ciliary Movement of Choroid Plexus Epithelial Cells Ex Vivo

Published on: July 13, 2015

Ex vivo Method for High Resolution Imaging of Cilia Motility in Rodent Airway Epithelia

Ex vivo Method for High Resolution Imaging of Cilia Motility in Rodent Airway Epithelia

Published on: August 8, 2013

Cortical Actin Flow in T Cells Quantified by Spatio-temporal Image Correlation Spectroscopy of Structured Illumination Microscopy Data

Cortical Actin Flow in T Cells Quantified by Spatio-temporal Image Correlation Spectroscopy of Structured Illumination Microscopy Data

Published on: December 17, 2015

Area of Science:

Pulmonology
Virology
Cell Biology

Background:

Persistent respiratory syncytial virus (RSV) infections exacerbate chronic inflammatory lung diseases like COPD.
RSV infection of respiratory epithelium causes chronic inflammation, mucin release, and loss of cilia activity, impairing mucus clearance.

Purpose of the Study:

To establish and validate an automated method for quantifying ciliary motility in cell cultures.
To assess the impact of RSV infection on ciliary motility.

Main Methods:

Developed an automated method using optical flow computation to determine ciliary motility.
Applied the method to 136 control and 144 RSV-infected respiratory cell cultures.

Main Results:

Control cultures showed 41 ± 15% cilia motility; RSV-infected cultures showed significantly reduced motility at 11 ± 5% (p<0.001).
A cutoff value of <17.89% correctly classified infected specimens with 94% sensitivity and 93% specificity.

Conclusions:

The automated optical flow method is a robust and accurate technique for evaluating cilia motility in cell cultures.
RSV infection severely diminishes ciliary motility, contributing to impaired mucus clearance in respiratory diseases.