Allelic distribution of human leucocyte antigen in historical and recently diagnosed tuberculosis patients in Southern Italy

Giuseppina Ruggiero, Elena Cosentini, Delia Zanzi, Veronica Sanna, Giuseppe Terrazzano, Giuseppe Matarese, Alessandro Sanduzzi, Francesco Perna, Serafino Zappacosta

Research output: Contribution to journalArticlepeer-review

Abstract

This study addresses the analysis of the human leucocyte antigen (HLA) allele distribution in 54 historical and in 68 recently diagnosed tuberculosis (TB) patients. The historical cohort was characterized by the presence of large fibrocavernous lesions effectively treated with therapeutic pneumothorax during the period 1950-55. Patients and healthy controls enrolled in the study were from the Campania region of southern Italy. No significant association between HLA alleles and TB in the population of recently diagnosed TB patients was observed. On the contrary, among the historical TB patients there was a strong association with an increased frequency of the HLA-DR4 allele alone and/or in the presence of the HLA-B14 allele (P = 0.000004; Pc = 0.0008), as well as with a decreased frequency of the HLA-A2+,-B14 -,DR4- allele association (P = 0.00005; Pc = 0.01). In order to exclude any interference from age-related factors, these results were confirmed by comparing the historical cohort of TB patients with an age-matched healthy control population of the same ethnic origin (P = 0.00004; Pc = 0.008; and P = 0.0001; and Pc = 0.02, respectively).

Original languageEnglish
Pages (from-to)318-322
Number of pages5
JournalImmunology
Volume111
Issue number3
DOIs
Publication statusPublished - Mar 2004

ASJC Scopus subject areas

  • Immunology

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