| abstract |
Pharmaceutical composition for use in a method of suppressing the immunity of a subject to prevent or treat an autoimmune disease or an allergic disease by inducing proliferation or accumulation of positive regulatory T cells for the transcription factor Foxp3, the composition comprising, as active principle, bacteria belonging to the genus Clostridium, in which the bacteria induce said proliferation or accumulation of positive regulatory T cells for the Foxp3 transcription factor. |