Volume 3 Issue 1
Jun.  2019
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Dongmei Li, Dongjing Liu, Yi Zha, Tao Wu, Yan Qiu. The polymorphisms of HLA class Ⅰ and Ⅱalleles were not associated with severe acute respiratory syndrome among recovered patients in Beijing: a case-control study[J]. Blood&Genomics, 2019, 3(1): 19-25. doi: 10.46701/APJBG.2019012018140
Citation: Dongmei Li, Dongjing Liu, Yi Zha, Tao Wu, Yan Qiu. The polymorphisms of HLA class Ⅰ and Ⅱalleles were not associated with severe acute respiratory syndrome among recovered patients in Beijing: a case-control study[J]. Blood&Genomics, 2019, 3(1): 19-25. doi: 10.46701/APJBG.2019012018140

The polymorphisms of HLA class Ⅰ and Ⅱalleles were not associated with severe acute respiratory syndrome among recovered patients in Beijing: a case-control study

doi: 10.46701/APJBG.2019012018140
  • Publish Date: 2019-06-30
  • Severe acute respiratory syndrome (SARS) is a viral respiratory illness caused by a novel coronavirus (SARS-CoV), which emerged as a pandemic in 2003. The mechanism of the immune reaction initiated by SARS-CoV still remains unclear. Here we aimed to describe the genetic patterns of high-resolution HLA-A, -B, -C, -DRB1, and -DQB1, loci in recovered SARS patients from Beijing and examine the association between HLA genes and susceptibility or resistance to SARS. A total of 70 recovered Chinese Han SARS patients were recruited to donate convalescent plasma in 2003. HLA high-resolution typing was carried out using sequence based typing (SBT). Allele frequencies were calculated by direct counting, and were compared with the frequencies of HLA alleles of donors recruited by the China Marrow Donor Program between 2002 and 2015 using Fisher's exact test. Significance of association was defined according to the Bonferroni method for multiple comparisons. We observed 20, 35, 21, 25, and 17 alleles respectively at HLA-A, -B, -C, -DRB1, and -DQB1 loci among the 70 recovered patients. We identified 12 alleles (HLA-A*02:10, -A*02:93, -A*03:02, -B*08:01, -B*15:152, -B*37:01, -DRB1*10:01, -DRB1*11:03, -DRB1*14:10, -DRB1*14:12, -DRB1*15:02, and -DQB1*05:10) showing a nominal association with SARS (P<0.05), but none remained significant after Bonferroni correction. The study suggests that high-resolution HLA alleles are unlikely to contribute significantly to the susceptibility or resistance to SARS-CoV infection in the northern Chinese population.

     

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