Association of MICA gene polymorphisms with thionamide-induced agranulocytosis

  • P. Ma
  • , P. Chen
  • , J. Gao
  • , H. Guo
  • , S. Li
  • , J. Yang
  • , J. Lai
  • , X. Yang
  • , B. Zhang
  • , Y. He

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Background: Thionamide-induced agranulocytosis (TIA), namely antithyroid drug (ATD)-induced agranulocytosis, is one of the most feared adverse effect of ATDs. It is defined as a granulocyte count of less than 0.5 × 109/L after ATD administration. Several studies reported that TIA is associated with human leukocyte antigen (HLA) and nearby genes. Our previous study found that the susceptibility genes of TIA are similar in north China and European populations. Methods: We evaluated the associations of 23 candidate single nucleotide polymorphisms (SNPs) in 37 patients with TIA and 254 patients with Graves’ disease (GD) as controls by iPLEX MassARRAY system. Results: Five SNPs in the MHC class I polypeptide-related sequence A(MICA) genes [rs4349859 (p = 1.43E-7); rs145575084 (p = 5.79E-6); rs116135464 (p = 3.70E-5); rs148015908 (p = 3.79E-5) and rs189600525 (p = 2.15E-4)] were found to be significantly associated with TIA after Bonferroni correction. After combining with previous data of rs4349859 and HLA-B*27:05, the haplotype analysis showed that patients carrying P-A-C-A-T-T-A haplotype have a higher risk of TIA (p = 9.76E-7; OR = 14.85, 95% CI 3.63–60.77). Conclusion: Our findings suggest that five high linked SNPs of MICA gene are significantly associated with susceptibility to TIA.

Original languageEnglish
Pages (from-to)363-369
Number of pages7
JournalJournal of Endocrinological Investigation
Volume44
Issue number2
DOIs
StatePublished - Feb 2021

Keywords

  • Association
  • Graves’ disease
  • MICA
  • Thionamide-induced agranulocytosis

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