Development of a new monoclonal antibody specific to mouse Vγ6 chain

Shinya Hatano, Xin Tun, Naoto Noguchi, Dan Yue, Hisakata Yamada, Xun Sun, Mitsuru Matsumoto, Yasunobu Yoshikai

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Abstract

There are seven Vγ gene segments in the TCR γ chain loci of mice. We developed monoclonal antibodies (mAbs) specific to the Vγ6 chain (Heilig & Tonegawa nomenclature). By immunizing Vγ4/6 KO mice with complementarity-determining region peptides in Vγ6 chains, we generated three hybridomas. These hybridomas produced mAbs capable of cell surface staining of Vγ6/Vδ1 gene-transfected T-cell line lacking TCR as well as of Vγ1- Vγ4- Vγ5- Vγ7- γδ T cells and the CD3high TCRδint γδ T cells in various organs. The location of Vγ6+ γδ T cells, which peaked in the newborn thymus, was associated with mTEC. In vivo administration of clone 1C10-1F7 mAb impaired protection against Klebsiella pneumoniae infection but ameliorated psoriasis-like dermatitis induced by imiquimod treatment. These new mAbs are useful to elucidate the development, location, and functions of Vγ6 γδ T cells in mice.

Original languageEnglish
Article numbere201900363
JournalLife Science Alliance
Volume2
Issue number3
DOIs
Publication statusPublished - Jan 1 2019

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All Science Journal Classification (ASJC) codes

  • Ecology
  • Biochemistry, Genetics and Molecular Biology (miscellaneous)
  • Plant Science
  • Health, Toxicology and Mutagenesis

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