Association study of the chromosomal region containing the FCER2 gene suggests it has a regulatory role in atopic disorders

Tarja Laitinen, Vesa Ollikainen, Conxi Lázaro, Paula Kauppi, Rafael De Cid, Josep Maria Antó, Xavier P. Estivill, Heikki Lokki, Heikki Mannila, Lauri A. Laitinen, Juha Kere

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

On the basis of studies with animal models, the gene for the low- affinity receptor for immunoglobulin E (IgE) (FCER2, CD23) has been implicated as a candidate for IgE-mediated allergic diseases and bronchial hyperreactivity, or related traits. Given evidence for genetic complexity in atopic disorders, we sought to study two European subpopulations, Finnish and Catalonian. We studied three phenotypic markers: (1) total serum IgE level; (2) asthma; and (3) specific IgE level for a mixture of the most common aeroallergens in Finland. Altogether, eight polymorphic markers spanning a region of 10 cM around the FCER2 gene on chromosome 19p13 were analyzed in 124 families. The physical order of the markers and the location of the FCER2 gene were confirmed by using radiation hybrids. The allele and haplotype association study showed a suggestive haplotype association (significance of p ≤ 0.03 based on a permutation test) for a high serum IgE response. In a subset of chromosomes segregating with asthma in families with two or more affected members, a single haplotype was found to be highly enriched (p = 8.3 x 10-6). However, sequence polymorphisms, which would verify structural differences in the FCER2 gene, were not detected in the coding region of the receptor. Our results suggest that chromosome 19p13 might harbor a genetic determinant of IgE-related traits. Studies in other population samples are needed to verify this finding.

Original languageEnglish
Pages (from-to)700-706
Number of pages7
JournalAmerican Journal of Respiratory and Critical Care Medicine
Volume161
Issue number3 I
Publication statusPublished - 2000
Externally publishedYes

Fingerprint

Immunoglobulin E
Haplotypes
Chromosomes
Genes
Asthma
Radiation Hybrid Mapping
Bronchial Hyperreactivity
IgE Receptors
Finland
Serum
Animal Models
Alleles
Population

ASJC Scopus subject areas

  • Medicine(all)
  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine

Cite this

Laitinen, T., Ollikainen, V., Lázaro, C., Kauppi, P., De Cid, R., Antó, J. M., ... Kere, J. (2000). Association study of the chromosomal region containing the FCER2 gene suggests it has a regulatory role in atopic disorders. American Journal of Respiratory and Critical Care Medicine, 161(3 I), 700-706.

Association study of the chromosomal region containing the FCER2 gene suggests it has a regulatory role in atopic disorders. / Laitinen, Tarja; Ollikainen, Vesa; Lázaro, Conxi; Kauppi, Paula; De Cid, Rafael; Antó, Josep Maria; Estivill, Xavier P.; Lokki, Heikki; Mannila, Heikki; Laitinen, Lauri A.; Kere, Juha.

In: American Journal of Respiratory and Critical Care Medicine, Vol. 161, No. 3 I, 2000, p. 700-706.

Research output: Contribution to journalArticle

Laitinen, T, Ollikainen, V, Lázaro, C, Kauppi, P, De Cid, R, Antó, JM, Estivill, XP, Lokki, H, Mannila, H, Laitinen, LA & Kere, J 2000, 'Association study of the chromosomal region containing the FCER2 gene suggests it has a regulatory role in atopic disorders', American Journal of Respiratory and Critical Care Medicine, vol. 161, no. 3 I, pp. 700-706.
Laitinen, Tarja ; Ollikainen, Vesa ; Lázaro, Conxi ; Kauppi, Paula ; De Cid, Rafael ; Antó, Josep Maria ; Estivill, Xavier P. ; Lokki, Heikki ; Mannila, Heikki ; Laitinen, Lauri A. ; Kere, Juha. / Association study of the chromosomal region containing the FCER2 gene suggests it has a regulatory role in atopic disorders. In: American Journal of Respiratory and Critical Care Medicine. 2000 ; Vol. 161, No. 3 I. pp. 700-706.
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