CD14

A bridge between innate immunity and adaptive IgE responses

Donata Vercelli, M. Baldini, D. Stern, I. C. Lohman, M. Halonen, Fernando Martinez

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

Total IgE levels are known to be under genetic control. Linkage studies have indicated that one or more loci on chromosome 5q may control total IgE, as well as asthma and bronchial hyper-responsiveness to non-specific stimuli. Our group has undertaken a systematic analysis of chromosome 5q, and has recently characterized five single nucleotide polymorphisms at position -1619, -1359, -1145, -809, and -159 in the promoter of the gene encoding CD14, the myeloid pattern recognition receptor that is critical for efficient innate immune responses to lipopolysaccharide and bacterial ligands. Individuals homozygous for the three major CD14 haplotypes found in the Children Respiratory Study population (n = 390) were analyzed for serum levels of total IgE and soluble CD14. A strong inverse correlation was found between these two parameters, i.e. carriers of the -1359T/-1145A/-159C haplotype had the highest levels of IgE, and the lowest levels of sCD14. Conversely, carriers of the -1359G/-1145G/-159T haplotype had the highest levels of sCD14 and the lowest IgE values. Our results suggest that genetic variation in CD14, a key gene of innate immunity, may modulate the effects that exposure to bacterial ligands has on the development of Th2 responses.

Original languageEnglish (US)
Pages (from-to)45-48
Number of pages4
JournalJournal of Endotoxin Research
Volume7
Issue number1
DOIs
StatePublished - 2001

Fingerprint

Innate Immunity
Immunoglobulin E
Haplotypes
Chromosomes
Ligands
Pattern Recognition Receptors
Gene encoding
Polymorphism
Genes
Single Nucleotide Polymorphism
Lipopolysaccharides
Asthma
Nucleotides
Serum
Population

ASJC Scopus subject areas

  • Microbiology
  • Immunology
  • Toxicology

Cite this

CD14 : A bridge between innate immunity and adaptive IgE responses. / Vercelli, Donata; Baldini, M.; Stern, D.; Lohman, I. C.; Halonen, M.; Martinez, Fernando.

In: Journal of Endotoxin Research, Vol. 7, No. 1, 2001, p. 45-48.

Research output: Contribution to journalArticle

Vercelli, Donata ; Baldini, M. ; Stern, D. ; Lohman, I. C. ; Halonen, M. ; Martinez, Fernando. / CD14 : A bridge between innate immunity and adaptive IgE responses. In: Journal of Endotoxin Research. 2001 ; Vol. 7, No. 1. pp. 45-48.
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