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Cystic Fibrosis: Pathogenesis

Cystic Fibrosis: Pathogenesis

Cystic fibrosis (CF), an autosomal recessive disorder, significantly affects the function of exocrine glands. This genetically inherited disease is characterized by the production of thick and sticky mucus, which can severely affect various organs and systems in the body.
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Related Experiment Video

Updated: May 13, 2026

Purification of the Cystic Fibrosis Transmembrane Conductance Regulator Protein Expressed in Saccharomyces cerevisiae

Purification of the Cystic Fibrosis Transmembrane Conductance Regulator Protein Expressed in Saccharomyces cerevisiae

Published on: May 10, 2014

Diagnostic CFTR mutation analysis.

Maria Rosaria D'Apice¹, Giuseppe Novelli, Federica Sangiuolo

¹Tor Vergata University & AOU Policlinico Tor Vergata, Department of Biopathology, Via Montpellier, 1-00133 Rome, Italy +39 06 72596164 ; +39 06 20427313 ; sangiuolo@med.uniroma2.it.

Expert Opinion on Medical Diagnostics

|March 15, 2013

Summary

This summary is machine-generated.

Molecular diagnosis of cystic fibrosis (CF) relies on analyzing CFTR gene mutations. Current methods involve tiered testing and quality controls, with ongoing innovation to improve detection rates and genetic counseling for families.

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Last Updated: May 13, 2026

Purification of the Cystic Fibrosis Transmembrane Conductance Regulator Protein Expressed in Saccharomyces cerevisiae

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Published on: May 10, 2014

Functional Reconstitution and Channel Activity Measurements of Purified Wildtype and Mutant CFTR Protein

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Published on: March 9, 2015

Expression and Purification of the Cystic Fibrosis Transmembrane Conductance Regulator Protein in Saccharomyces cerevisiae

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Area of Science:

Medical Genetics
Molecular Biology
Genetic Diagnostics

Background:

Cystic Fibrosis (CF) is a genetic disorder caused by mutations in the CFTR gene.
Identifying CF-causing mutations is crucial for diagnosis and genetic counseling.
Mutation frequencies vary significantly across different geographic regions.

Purpose of the Study:

To review current scientific understanding and practices in the molecular diagnosis of cystic fibrosis.
To outline existing technologies for analyzing CFTR gene mutations.
To discuss the implications of improved mutation detection for genetic counseling.

Main Methods:

Routine screening of common CFTR gene mutations based on regional prevalence.
Comprehensive analysis of the entire CFTR coding region, including exon/intron junctions.
Large deletion analysis to detect mutations missed by sequence analysis.

Main Results:

Two-tiered molecular testing strategies are employed for CF diagnosis.
Second-level analysis can increase the detection rate of CF alleles by approximately 10%.
Adherence to internal and external quality controls is essential for reliable results.

Conclusions:

Ongoing development of innovative technologies aims to enhance the detection of CFTR mutations.
Increased detection rates will improve the accuracy of recurrence risk calculations.
Enhanced molecular diagnostics strengthen genetic counseling, aiding families in reproductive decision-making.