HLA‐A*02:06 allele may be susceptible to myelodysplastic syndrome in Zhejiang Han population, China

Author:

Chen Nanying12,Wang Fang12ORCID,Zhao Yanmin3,Dong Lina12ORCID,Wang Wei12,Zhang Wei12,He Ji12,Zhu Faming12ORCID

Affiliation:

1. HLA Typing Laboratory Blood Center of Zhejiang Province Hangzhou China

2. HLA Typing Laboratory Key Laboratory of Blood Safety Research of Zhejiang Province Hangzhou China

3. Bone Marrow Transplantation Center the First Affiliated Hospital Zhejiang University School of Medicine Hangzhou China

Abstract

AbstractThe association between HLA loci and haematological malignancy has been reported in certain populations. However, there are limited data for HLA loci at a high‐resolution level with haematological malignancy in China. In this study, a total of 1115 patients with haematological malignancies (including 490 AML, 410 acute lymphoblastic leukaemia (ALL), 122 myelodysplastic syndrome [MDS] and 93 non‐Hodgkin's lymphoma [NHL]) and 1836 healthy individuals as a control group in the Han population of Zhejiang Province, China, were genotyped for HLA‐A, HLA‐C, HLA‐B, HLA‐DRB1 and HLA‐DQB1 loci at high resolution. The possible association between HLA alleles and haplotypes and haematologic malignancy was analysed. The allele frequencies (AFs) of HLA‐A*02:05, HLA‐A*02:06, HLA‐A*32:01, HLA‐B*35:03, HLA‐B*54:01, HLA‐B*55:07, HLA‐DRB1*04:05, HLA‐DRB1*15:01, HLA‐DQB1*04:01 and HLADQB1*06:02 in the MDS patients were much higher than those in the control group (P < 0.05), while the AFs of HLA‐C*07:02, HLA‐DRB1*03:01, HLA‐DRB1*14:54, HLA‐DQB1*02:01 and HLA‐DQB1*05:03 were obviously lower than those in the control group (p < .05). Interestingly, the differences in these HLA alleles in patients with MDS were not significant after applying Bonferroni correction (Pc > .05), except for HLA‐A*02:06 (Pc < .01). There were 13, 6 and 10 HLA alleles with uncorrected significant differences (p < .05) among patients with AML, ALL and NHL, respectively, compared with those in the control group, but the differences in these HLA alleles were not significant after correction (Pc > .05). Compared to those of the control group, there were some haplotypes over 1.00% frequency in patients with AML, MDS and NHL patients with uncorrected significant differences (p < .05). However, none of them showed a significant difference after correction as well (Pc > .05). The study reveals that HLA‐A*02:06 may lead to susceptibility to MDS, but none of the HLA alleles were associated with AML, ALL or NHL after correction. These data will help to further understand the role of HLA loci in the pathogenesis of haematological malignancy in China.

Publisher

Wiley

Subject

Genetics (clinical),Genetics,Molecular Biology,General Medicine,Immunology

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