BALB/c mice peanut anaphylaxis model, subcutaneous immunization with CuMVtt combined with either whole extract of roasted peanut (Ara R), Ara h 1 or Ara h 2Murine bone marrow–derived MCs sensitized with sera of mice sensitized to peanut and challenged with peanut extract. The gene discussed is FUT1; the disease is anaphylaxis.