Genome-wide association study and mouse model identify interaction between RET and EDNRB pathways in Hirschsprung disease

Minerva M Carrasquillo, Andrew S. McCallion, Erik G. Puffenberger, Carl S. Kashuk, Nassim Nouri, Aravinda Chakravarti

Research output: Contribution to journalArticle

226 Citations (Scopus)

Abstract

Genetic studies of Hirschsprung disease, a common congenital malformation, have identified eight genes with mutations that can be associated with this condition. Mutations at individual loci are, however, neither necessary nor sufficient to cause clinical disease. We conducted a genome-wide association study in 43 Mennonite family trios using 2,083 microsatellites and single-nucleotide polymorphisms and a new multipoint linkage disequilibrium method that searches for association arising from common ancestry. We identified susceptibility loci at 10q11, 13q22 and 16q23; the gene at 13q22 is EDNRB, encoding a G protein-coupled receptor (GPCR) and the gene at 10q11 is RET, encoding a receptor tyrosine kinase (RTK). Statistically significant joint transmission of RET and EDNRB alleles in affected individuals and non-complementation of aganglionosis in mouse intercrosses between Ret null and the Ednrb hypomorphic piebald allele are suggestive of epistasis between EDNRB and RET. Thus, genetic interaction between mutations in RET and EDNRB is an underlying mechanism for this complex disorder.

Original languageEnglish (US)
Pages (from-to)237-244
Number of pages8
JournalNature Genetics
Volume32
Issue number2
DOIs
StatePublished - Oct 1 2002
Externally publishedYes

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Hirschsprung Disease
Genome-Wide Association Study
Mutation
Alleles
Genes
Linkage Disequilibrium
Receptor Protein-Tyrosine Kinases
G-Protein-Coupled Receptors
Microsatellite Repeats
Single Nucleotide Polymorphism
Joints

ASJC Scopus subject areas

  • Genetics(clinical)
  • Genetics

Cite this

Genome-wide association study and mouse model identify interaction between RET and EDNRB pathways in Hirschsprung disease. / Carrasquillo, Minerva M; McCallion, Andrew S.; Puffenberger, Erik G.; Kashuk, Carl S.; Nouri, Nassim; Chakravarti, Aravinda.

In: Nature Genetics, Vol. 32, No. 2, 01.10.2002, p. 237-244.

Research output: Contribution to journalArticle

Carrasquillo, Minerva M ; McCallion, Andrew S. ; Puffenberger, Erik G. ; Kashuk, Carl S. ; Nouri, Nassim ; Chakravarti, Aravinda. / Genome-wide association study and mouse model identify interaction between RET and EDNRB pathways in Hirschsprung disease. In: Nature Genetics. 2002 ; Vol. 32, No. 2. pp. 237-244.
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