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Cystic Fibrosis: Pathogenesis01:23

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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Updated: Jun 3, 2026

Rectal Organoid Morphology Analysis (ROMA): A Diagnostic Assay in Cystic Fibrosis
07:56

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Published on: June 10, 2022

Methods for screening in cystic fibrosis.

M Schwarz1, G Malone

  • 1Pediatric Genetics Unit, Royal Manchester Children's Hospital, Manchester, UK.

Methods in Molecular Medicine
|March 5, 2011
PubMed
Summary
This summary is machine-generated.

Cystic fibrosis (CF) is a common genetic disorder. Identifying mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene is crucial for diagnosis and understanding CF.

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Area of Science:

  • Medical Genetics
  • Molecular Biology

Background:

  • Cystic fibrosis (CF) is the most prevalent lethal autosomal recessive disorder among individuals of White descent.
  • The incidence of CF is approximately 1 in 2500 live births, with a carrier frequency of about 1 in 25.
  • The discovery of the cystic fibrosis transmembrane conductance regulator (CFTR) gene in 1989 revolutionized CF research.

Purpose of the Study:

  • To detail the global efforts in identifying CFTR gene mutations in patient populations.
  • To outline the methodologies employed in CF mutation analysis.
  • To highlight the significance of molecular genetics in diagnosing and understanding CF.

Main Methods:

  • Mutation analysis of the CFTR gene.
  • Utilizing polymerase chain reaction (PCR) or its derivatives, such as amplification refractory mutation system (ARMS), for gene amplification.
  • Sequencing of the entire CFTR gene and its intron-exon boundaries.

Main Results:

  • Mutation analysis in CF has become more accessible due to comprehensive gene sequencing.
  • Various molecular methods are applied for mutation detection.
  • PCR and ARMS are initial key steps in CFTR mutation analysis.

Conclusions:

  • The identification of CFTR gene mutations is a primary focus in CF research worldwide.
  • Molecular genetic techniques have simplified, though remain time-consuming, the process of CF mutation analysis.
  • Standardized methods involving PCR are essential for advancing CF diagnostics and research.