Genomic organization of classical human low-affinity Fcγ receptor genes

Kaihong Su, J. Wu, J. C. Edberg, S. E. McKenzie, R. P. Kimberly

Research output: Contribution to journalArticle

59 Citations (Scopus)

Abstract

The classical low-affinity Fcγ receptor genes (FcγRIIA, B, C and FcγRIIIA, B) are located on chromosome 1q23, a region that shows strong linkage with human systemic lupus erythematosus (SLE) in several genome-wide scans, and family-based association between FcγRIIIA and SLE is now established. High homology among the Fcγ receptor genes, however, has hampered further study of this region. We have used a human bacterial artificial chromosome (BAC) library to determine the order and orientation of these Fcγ receptor genes and have sequenced the very highly homologous 5´ region (including 3.4 kb of the promoter and the 8 kb from exon 1 to exon 3) of the FcγRIIB and FcγRIIC genes to enable study of their unique single nucleotide polymorphisms (SNP). We have utilized these data to characterize a linked set of three coding region SNPs in the FcγRIIC exon 3 (EC1) that includes the stop codon SNP, which provides an important insight into natural killer cell function. Together, these data provide the basis for the study of additional SNPs in FcγR genes in SLE disease susceptibility.

Original languageEnglish (US)
Pages (from-to)S51-S56
JournalGenes and Immunity
Volume3
DOIs
StatePublished - Jan 1 2002

Fingerprint

Fc Receptors
Single Nucleotide Polymorphism
Systemic Lupus Erythematosus
Exons
Genes
Human Artificial Chromosomes
Bacterial Artificial Chromosomes
Terminator Codon
Disease Susceptibility
Natural Killer Cells
Chromosomes
Genome

Keywords

  • Autoimmunity
  • Fc receptor
  • Genomic organization
  • NK cells
  • Systemic lupus erythematosus

ASJC Scopus subject areas

  • Immunology
  • Genetics
  • Genetics(clinical)

Cite this

Genomic organization of classical human low-affinity Fcγ receptor genes. / Su, Kaihong; Wu, J.; Edberg, J. C.; McKenzie, S. E.; Kimberly, R. P.

In: Genes and Immunity, Vol. 3, 01.01.2002, p. S51-S56.

Research output: Contribution to journalArticle

Su, Kaihong ; Wu, J. ; Edberg, J. C. ; McKenzie, S. E. ; Kimberly, R. P. / Genomic organization of classical human low-affinity Fcγ receptor genes. In: Genes and Immunity. 2002 ; Vol. 3. pp. S51-S56.
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