Cited by 271Cystic Fibrosis Research AdvancesGenetic and Kidney Cyst DiseasesGenetic Associations and Epidemiology

Modifier genes in Mendelian disorders: the example of cystic fibrosis

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Cutting, Garry R.·2010·Annals of the New York Academy of Sciences

Abstract

In the past three decades, scientists have had immense success in identifying genes and their variants that contribute to an array of diseases. While the identification of such genetic variants has informed our knowledge of the etiologic bases of diseases, there continues to be a substantial gap in our understanding of the factors that modify disease severity. Monogenic diseases provide an opportunity to identify modifiers as they have uniform etiology, detailed phenotyping of affected individuals, and familial clustering. Cystic fibrosis (CF) is among the more common life‐shortening recessive disorders that displays wide variability in clinical features and survival. Considerable progress has been made in elucidating the contribution of genetic and nongenetic factors to CF. Allelic variation in CFTR, the gene responsible for CF, correlates with some aspects of the disease. However, lung function, neonatal intestinal obstruction, diabetes, and anthropometry display strong genetic control independent of CFTR, and candidate gene studies have revealed genetic modifiers underlying these traits. The application of genome‐wide techniques holds great promise for the identification of novel genetic variants responsible for the heritable features and complications of CF. Since the genetic modifiers are known to alter the course of disease, their protein products become immediate targets for therapeutic intervention.

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Crossref · 10.1111/j.1749-6632.2010.05879.x

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  • Previous studies have shown that modifier genes, such as nuclear hormone receptors, have the potential to reset various networks related to retinal disease phenotypes, such as photoreceptor development, phototransduction, metabolism, cone cell development, inflammation, and cell survival, thus restoring homeostasis in the retina to a healthy state.

    “Previous studies have shown that modifier genes, such as nuclear hormone receptors, have the potential to “reset” various networks related to retinal disease phenotypes, such as photoreceptor development, phototransduction, metabolism, cone cell development, inflammation, and cell survival, thus restoring the homeostasis in the retina to a healthy state.47,50–53”
  • Modifier gene therapy has the potential to alter the retinal disease state even in the absence of a genetic diagnosis or in the absence of a gene therapy specific to the mutated gene.

    “Modifier gene therapy has the potential to alter the retinal disease state even in the absence of a genetic diagnosis or in the absence of a gene therapy specific to the mutated gene in one of these patients.47,50–53”

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  1. [93]Stoltz DA Meyerholz DK Pezzulo AA Cystic fibrosis pigs develop lung disease and exhibit defective bacterial eradication at birth Sci. Trans. Med 2010 2 29ra31 PMC2889616 20427821

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Authors
Cutting, G. R.
Affiliations
Johns Hopkins University (US)
Corresponding author
Cutting, Garry R.
Venue
Annals of the New York Academy of Sciences
Publisher
Wiley
Published
2010-12
Volume
1214
Issue
1
Pages
57-69
ISSN
  • 0077-8923 (ISSN-L)
  • 1749-6632
OpenAlex
W2104953797
Cited by
271
References
98
Citations by year
2026: 1 · 2025: 11 · 2024: 6 · 2023: 9 · 2022: 12 · 2021: 20 · 2020: 13 · 2019: 22 · 2018: 25 · 2017: 23 · 2016: 21 · 2015: 20 · 2014: 26 · 2013: 18 · 2012: 25
FWCI
3.40
Type
journal article
Language
en
Open access
Locations
  • Annals of the New York Academy of Sciences (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Heart, Lung, and Blood Institute (R01HL068927)
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Cystic Fibrosis Research Advances
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and Kidney Cyst Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
Keywords
cystic fibrosis, genetic modifiers, disease severity, CFTR, monogenic disorders, lung function, intestinal obstruction, diabetes mellitus, anthropometry, candidate gene association, genome-wide association study, therapeutic target
MeSH terms
Alleles, Cystic Fibrosis, Humans, Multifactorial Inheritance, Genome-Wide Association Study

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