abstract |
Disclosed are a tumor diagnostic agent and a therapeutic agent using progesterone-induced blocking factor (PIBF). Recombinant protein having a specific amino acid sequence with progesterone-induced blocking factor (PIBF) activity, which works for immunoregulation important for maintenance of pregnancy-inhibition of NK cell activity and induction of TH2 cytokine dominance- , Nucleic acid sequences encoding the same, and vectors are used for tumor diagnosis and therapy. [Selection figure] None |