Association of the T allele of an intronic single nucleotide polymorphism in the colony stimulating factor 1 receptor with Crohn's disease: a case-control study

Background Polymorphisms in several genes (NOD2, MDR1, SLC22A4) have been associated with susceptibility to Crohn's disease. Identification of the remaining Crohn's susceptibility genes is essential for the development of disease-specific targets for immunotherapy. Using gene expression analysis, we identified a differentially expressed gene on 5q33, the colony stimulating factor 1 receptor (CSF1R) gene, and hypothesized that it is a Crohn's susceptibility gene. The CSF1R gene is involved in monocyte to macrophage differentiation and in innate immunity. Methods Patients provided informed consent prior to entry into the study as approved by the Institutional Review Board at LSU Health Sciences Center. We performed forward and reverse sequencing of genomic DNA from 111 unrelated patients with Crohn's disease and 108 controls. We also stained paraffin-embedded, ileal and colonic tissue sections from patients with Crohn's disease and controls with a polyclonal antibody raised against the human CSF1R protein. Results A single nucleotide polymorphism (A2033T) near a Runx1 binding site in the eleventh intron of the colony stimulating factor 1 receptor was identified. The T allele of this single nucleotide polymorphism occurred in 27% of patients with Crohn's disease but in only 13% of controls ($ X^{2} $ = 6.74, p < 0.01, odds ratio (O.R.) = 2.49, 1.23 < O.R. < 5.01). Using immunohistochemistry, positive staining with a polyclonal antibody to CSF1R was observed in the superficial epithelium of ileal and colonic tissue sections. Conclusions We conclude that the colony stimulating factor receptor 1 gene may be a susceptibility gene for Crohn's disease..

Medienart:

E-Artikel

Erscheinungsjahr:

2004

Erschienen:

2004

Enthalten in:

Zur Gesamtaufnahme - volume:2

Enthalten in:

Journal of immune based therapies and vaccines - 2(2004), 1 vom: 14. Mai

Sprache:

Englisch

Beteiligte Personen:

Zapata-Velandia, Adriana [VerfasserIn]
Ng, San-San [VerfasserIn]
Brennan, Rebecca F [VerfasserIn]
Simonsen, Neal R [VerfasserIn]
Gastanaduy, Mariella [VerfasserIn]
Zabaleta, Jovanny [VerfasserIn]
Lentz, Jennifer J [VerfasserIn]
Craver, Randall D [VerfasserIn]
Correa, Hernan [VerfasserIn]
Delgado, Alberto [VerfasserIn]
Pitts, Angela L [VerfasserIn]
Himel, Jane R [VerfasserIn]
Udall, John N [VerfasserIn]
Schmidt-Sommerfeld, Eberhard [VerfasserIn]
Brown, Raynorda F [VerfasserIn]
Athas, Grace B [VerfasserIn]
Keats, Bronya B [VerfasserIn]
Mannick, Elizabeth E [VerfasserIn]

Links:

Volltext [kostenfrei]

Themen:

Intronic Single Nucleotide Polymorphism
NOD2 Polymorphism
Runx1 Binding Site
Single Nucleotide Polymorphism
Superficial Epithelium

Anmerkungen:

© Zapata-Velandia et al; licensee BioMed Central Ltd. 2004. This article is published under license to BioMed Central Ltd. This is an Open Access article: verbatim copying and redistribution of this article are permitted in all media for any purpose, provided this notice is preserved along with the article's original URL.

doi:

10.1186/1476-8518-2-6

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

OLC2098768028