FcεRIα gene -18483A>C polymorphism affects transcriptional activity through YY1 binding

Daniel P. Potaczek, Keiko Maeda, Qing Hui Wang, Nobuhiro Nakano, Shunsuke Kanada, Ewa Stepien, Agnieszka Branicka, Tatsuo Fukai, Mutsuko Hara, Tomoko Tokura, Hideoki Ogawa, Anetta Undas, Ko Okumura, Chiharu Nishiyama

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Three frequent genetic polymorphisms in the human high-affinity IgE receptor α-subunit (FcεRIα) were shown to be associated with allergic disorders and/or total serum IgE levels in allergic patients. Two of these were previously demonstrated to affect FcεRIα expression while the third -18483A>C (rs2494262) has not yet been subjected to functional studies. We hypothesized that the -18483A>C variant affects transcriptional activity of the FcεRIα distal promoter in monocytes in which FcεRIα transcription is driven through that regulatory region. Indeed, we confirmed preferential binding of the YY1 transcription factor to the -18483C allele, resulting in lower transcriptional activity when compared with the -18483A allele.

Original languageEnglish
Pages (from-to)649-655
Number of pages7
JournalImmunogenetics
Volume61
Issue number9
DOIs
Publication statusPublished - Sept 2009

Keywords

  • FCER1A
  • FcεRIα
  • Monocytes
  • Polymorphism
  • YY1

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