Strategies for identifying modifier genes in cystic fibrosis

Michael P. Boyle

Research output: Contribution to journalReview articlepeer-review

Abstract

Even in patients with cystic fibrosis (CF) with identical CFTR genotypes, there is a wide range in the severity of lung disease, with some individuals facing death or lung transplantation early in life and others demonstrating mild lung disease well into adulthood. Although numerous environmental factors have been identified that influence CF pulmonary phenotype, there is now growing evidence that polymorphic variants in genes besides CFTR play an important role in determining severity of CF lung disease. This article reviews the most recent findings regarding genetic modifiers in CF and also discusses in detail the strategies currently being used to identify novel modifiers of CF pulmonary phenotype. These include single- and multicenter studies, twin and sib studies, microarray approaches, and whole genome association studies.

Original languageEnglish (US)
Pages (from-to)52-57
Number of pages6
JournalProceedings of the American Thoracic Society
Volume4
Issue number1
DOIs
StatePublished - Jan 2007

Keywords

  • Cystic fibrosis
  • Genotype
  • Modifier
  • Phenotype
  • Transforming growth factor β

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

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