CTLA-4 gene exon-1 +49 A/G polymorphism: Lack of association with autoimmune disease in patients with common variable immune deficiency

Adina Kay Knight, Davide Serrano, Yaron Tomer, Charlotte Cunningham-Rundles

Research output: Contribution to journalArticle

Abstract

The presence of the G allele of exon-1 +49 A/G polymorphisms of the cytotoxic T lymphocyte antigen 4 (CTLA-4) gene has been described as a risk factor associated with the development of autoimmune diseases. Since Common Variable Immune Deficiency (CVID) is associated with autoimmune manifestations in approximately 25% of patients, we sought to examine the association of the CTLA-4 single nucleotide polymorphism with autoimmunity and other inflammatory complications. Sixteen of 47 CVID (34%) patients had a history of autoimmunity, and 15 (32%) had known granulomatous disease with or without lymphoid hyperplasia. CTLA-4 genotype frequencies were AA 40% (19), AG 45% (21), and GG 15% (7). Allele frequencies were A 63% and G 37%, similar to control populations. There were no significant associations between CTLA-4 exon-1 +49 A/G polymorphism and autoimmune or lymphoid hyperplasia and granulomatous disease in this mostly Caucasian CVID patient population.

Original languageEnglish
Pages (from-to)95-100
Number of pages6
JournalJournal of Clinical Immunology
Volume27
Issue number1
DOIs
Publication statusPublished - Jan 2007

Fingerprint

CTLA-4 Antigen
Common Variable Immunodeficiency
Autoimmune Diseases
Exons
Autoimmunity
Genes
Hyperplasia
Gene Frequency
Population
Single Nucleotide Polymorphism
Alleles
Genotype

Keywords

  • Autoimmunity
  • Common variable immune deficiency
  • Granuloma
  • Lymphoid hyperplasia

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy

Cite this

CTLA-4 gene exon-1 +49 A/G polymorphism : Lack of association with autoimmune disease in patients with common variable immune deficiency. / Knight, Adina Kay; Serrano, Davide; Tomer, Yaron; Cunningham-Rundles, Charlotte.

In: Journal of Clinical Immunology, Vol. 27, No. 1, 01.2007, p. 95-100.

Research output: Contribution to journalArticle

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