Related Experiment Video
Updated: Nov 26, 2025

High-speed Video Microscopy Analysis for First-line Diagnosis of Primary Ciliary Dyskinesia
Published on: January 19, 2022
Primary ciliary dyskinesia: a major player in a bigger game
Reena Bhatt1, Claire Hogg1,2
1Royal Brompton Hospital, London, UK.
Primary ciliary dyskinesia (PCD) involves genetic mutations affecting motile cilia, leading to impaired clearance and chronic lung disease. Research is advancing diagnostics and understanding of PCD and related respiratory ciliopathies.
Area of Science:
- Genetics and Molecular Biology
- Respiratory Medicine
- Cell Biology
Background:
- Primary ciliary dyskinesia (PCD) is a genetically heterogeneous inherited disorder.
- Mutations in motile cilia genes impair mucociliary clearance, causing chronic lung disease, sinusitis, and subfertility.
- Overlapping phenotypes with nonmotile ciliopathies necessitate a broader diagnostic and management approach.
Purpose of the Study:
- To summarize disease mechanisms for respiratory ciliopathies, including PCD.
- To explain evolving terminology in respiratory ciliopathies.
- To highlight key aspects of diagnosing and treating all ciliopathies.
Main Methods:
- Direct visualization of ciliary function and structure via nasal brush biopsy.
- Interrogation of downstream effects of loss-of-function mutations.
- Development of advanced diagnostic tests.
Main Results:
- PCD serves as a model for understanding respiratory ciliopathies.
- Advances in diagnostics are rapidly emerging.
- Understanding of ciliary defects in syndromic disorders is growing.
Conclusions:
- PCD is one of several conditions with genetic mutations affecting motile cilia assembly/structure.
- Overlapping phenotypes redefine diagnosis and therapy for respiratory ciliopathies.
- An extended diagnostic algorithm is needed for all respiratory ciliopathies, including syndromic forms.
Related Concept Videos
Mechanism of Ciliary Motion
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...
Microtubules in Signaling
Cystic Fibrosis: Pathogenesis
CF is primarily caused by a genetic mutation in a chromosome 7 gene coding for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. The most common gene mutation leading to CF is the ΔF508 mutation,...
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Inflammation
Biological Causes of Schizophrenia
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
Chronic Obstructive Pulmonary Disease-I: Introduction

