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High-speed Video Microscopy Analysis for First-line Diagnosis of Primary Ciliary Dyskinesia

High-speed Video Microscopy Analysis for First-line Diagnosis of Primary Ciliary Dyskinesia

Published on: January 19, 2022

Beyond the present: current and future perspectives on the role of infections in pediatric PCD

Megan Frohlich^1,2, Bernadette Prentice^1,2, Louisa Owens^1,2

¹Discipline of Paediatrics and Child Health, School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia.

Frontiers in Pediatrics

|April 2, 2025

Insights

Primary Ciliary Dyskinesia (PCD) increases respiratory infection susceptibility in children, leading to airway damage. Emerging gene and mRNA therapies offer hope for restoring ciliary function and reducing infection burden.

Area of Science:

Pulmonology
Genetics
Pediatrics

Background:

Primary Ciliary Dyskinesia (PCD) is a rare genetic disorder impacting motile cilia function.
Impaired mucociliary clearance in PCD elevates susceptibility to respiratory infections.
These infections contribute to severe long-term complications like bronchiectasis and reduced lung function.

Purpose of the Study:

To review the acute and long-term effects of respiratory infections in pediatric PCD.
To identify factors contributing to infection susceptibility in PCD.
To evaluate novel personalized therapies for PCD.

Main Methods:

Literature review of acute and long-term impacts of respiratory infections in pediatric PCD.
Analysis of factors contributing to infection susceptibility.
Evaluation of emerging personalized therapies, including gene and mRNA therapy.

Main Results:

Acute respiratory infections significantly increase morbidity and drive airway remodeling in pediatric PCD.
Current treatments primarily manage infections, but emerging therapies target underlying causes.
Personalized medicine approaches show promise for restoring ciliary function and reducing infection burden.

Conclusions:

Respiratory infections are a major driver of morbidity and progressive airway damage in pediatric PCD.
Emerging therapies targeting inflammation and genetic causes hold potential for improved long-term outcomes.
Personalized medicine advancements are expected to enhance future therapeutic strategies for PCD.

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Abstract

Introduction:

Primary Ciliary Dyskinesia (PCD) is a rare genetic disorder affecting motile cilia, leading to impaired mucociliary clearance and increased susceptibility to respiratory infections. These infections contribute to long-term complications such as bronchiectasis and lung function decline.

Objectives:

This review explores both the acute and long-term impact of respiratory infections in children with PCD, while highlighting the multiple contributors to infection susceptibility. The review also evaluates emerging personalized approaches such as gene and mRNA therapy that hold promise for restoring ciliary function and reducing the burden of acute infections in pediatric PCD.

Key Findings And Conclusions:

Acute respiratory infections have a significant impact on morbidity in pediatric PCD, driving progressive airway remodeling. While current treatment strategies focus on managing infections directly, emerging therapies targeting inflammation and genetic causes hold promise for reducing infection burden and improving long-term outcomes. Future advances in personalized medicine could further enhance therapeutic approaches in this population.

Keywords:

acute infection airway infection airway remodeling bronchiectasis exacerbation microbiome mucociliary clearance primary ciliary dyskinesia

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