- Effects of chronic treatment with the c-kit ligand, stem cell factor, on immunoglobulin E-dependent anaphylaxis in mice. Genetically mast cell-deficient Sl/Sld mice acquire anaphylactic responsiveness, but the congenic normal mice do not exhibit augmented responses. Ando, A., Martin, T.R., Galli, S.J. J. Clin. Invest. (1993)