Human Leukocyte Antigen Class I Region Single-Nucleotide Polymorphisms are Associated with Leprosy Susceptibility in Vietnam and India

被引:42
作者
Alter, Andrea [1 ,9 ]
Nguyen Thu Huong [2 ]
Singh, Meenakshi [3 ]
Orlova, Marianna [1 ,9 ]
Nguyen Van Thuc [2 ]
Katoch, Kiran [4 ]
Gao, Xiaojiang [5 ]
Vu Hong Thai [2 ]
Nguyen Ngoc Ba [2 ]
Carrington, Mary [5 ,6 ]
Abel, Laurent [7 ,8 ,10 ]
Mehra, Narinder [3 ]
Alcais, Alexandre [7 ,10 ]
Schurr, Erwin [1 ,9 ]
机构
[1] McGill Univ, McGill Ctr Study Host Resistance, Dept Med, Res Inst,Hlth Ctr, Montreal, PQ, Canada
[2] Hosp Dermatovenereol, Ho Chi Minh City, Vietnam
[3] All India Inst Med Sci, Dept Transplant Immunol & Immunogenet, New Delhi, India
[4] Cent JALMA Inst Leprosy & Other Infect Dis, Agra, Uttar Pradesh, India
[5] NCI Frederick, Expt Immunol Lab, SAIC Frederick Inc, Frederick, MD USA
[6] MGH MIT & Harvard Univ, Ragon Inst, Boston, MA USA
[7] Univ Paris 05, Fac Med Necker, Paris, France
[8] Rockefeller Univ, Rockefeller Branch, Lab Human Genet Infect Dis, New York, NY 10021 USA
[9] McGill Univ, McGill Ctr Study Host Resistance, Dept Human Genet, Res Inst,Hlth Ctr, Montreal, PQ, Canada
[10] INSERM, U550, Lab Genet Malad Infect, F-75654 Paris 13, France
基金
加拿大健康研究院;
关键词
HLA-C; QUANTITATIVE TRAITS; TUBERCULOID LEPROSY; GENETIC DISSECTION; DISEASE; POPULATION; EXPRESSION; RESISTANCE; SEQUENCE; IMMUNITY;
D O I
10.1093/infdis/jir024
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
Experimental evidence suggested the existence of unidentified leprosy susceptibility loci in the human leukocyte antigen (HLA) complex. To identify such genetic risk factors, a high-density association scan of a 1.9-mega-base (Mb) region in the HLA complex was performed. Among 682 single-nucleotide polymorphisms (SNPs), 59 were associated with leprosy (P <.01) in 198 Vietnamese single-case leprosy families. Genotyping of these SNPs in an independent sample of 292 Vietnamese single-case leprosy families replicated the association of 12 SNPs (P <.01). Multivariate analysis of these 12 SNPs showed that the association information could be captured by 2 intergenic HLA class I region SNPs (P = 9.4 x 10(-9))-rs2394885 and rs2922997 (marginal multivariate P = 2.1 x 10(-7) and P = .0016, respectively). SNP rs2394885 tagged the HLA-C*15:05 allele in the Vietnamese population. The identical associations were validated in a third sample of 364 patients with leprosy and 371 control subjects from North India. These results implicated class I alleles in leprosy pathogenesis.
引用
收藏
页码:1274 / 1281
页数:8
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