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Development of a simple genotyping method for the HLA-A∗31:01-tagging SNP in Japanese

  • Keiko Maekawa
  • , Ryosuke Nakamura
  • , Nahoko Kaniwa
  • , Seiho Mizusawa
  • , Aya Kitamoto
  • , Takuya Kitamoto
  • , Maho Ukaji
  • , Yumiko Matsuzawa
  • , Emiko Sugiyama
  • , Yoshimi Uchida
  • , Kouichi Kurose
  • , Mayumi Ueta
  • , Chie Sotozono
  • , Hiroko Ikeda
  • , Akiko Yagami
  • , Setsuko Matsukura
  • , Shigeru Kinoshita
  • , Masaaki Muramatsu
  • , Zenro Ikezawa
  • , Akihiro Sekine
  • Hirokazu Furuya, Yukitoshi Takahashi, Kayoko Matsunaga, Michiko Aihara, Yoshiro Saito

Research output: Contribution to journalArticlepeer-review

Abstract

Aim: To construct a simple, low-cost typing method for the surrogate marker of HLA-A∗31:01, a risk factor for carbamazepine (CBZ) related Stevens-Johnson syndrome/toxic epidermal necrolysis (SJS/TEN). Materials and methods: DNAs from Japanese SJS/TEN patients were used for genotyping and developing the assay. Results: HLA-A∗31:01 was confirmed to be significantly associated with definite/probable cases of CBZ-related SJS/TEN (p = 0.0040). Three single nucleotide polymorphisms, rs1150738, rs3869066 and rs259945, were in absolute linkage disequilibrium with HLA-A∗31:01 in 210 Japanese SJS/TEN patients. Robust genotyping of rs3869066 in ZNRD1-AS1 was developed using polymerase chain reaction-restriction fragment length polymorphism assays. Conclusion: Single nucleotide polymorphism genotyping is less time consuming and cheaper than conventional HLA typing, and would be useful for identifying Japanese patients at risk of CBZ-related SJS/TEN.

Original languageEnglish
Pages (from-to)1689-1699
Number of pages11
JournalPharmacogenomics
Volume16
Issue number15
DOIs
Publication statusPublished - 10-2015

All Science Journal Classification (ASJC) codes

  • Molecular Medicine
  • Genetics
  • Pharmacology

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