| abstract |
(57) Abstract: A non-specific IgE production promoter, an antiallergic agent and a therapeutic agent for autoimmune diseases, comprising as an active ingredient a conjugate of lacto-N-tetraose and a carrier. [Effect] When the non-specific IgE production promoter of the present invention is used, the production of antigen non-specific IgE is remarkably promoted as compared with the antigen-specific IgE. Therefore, various allergic reactions, For example, it is useful as a prophylactic and therapeutic agent for hay fever, bronchial asthma, autoimmune diseases and the like. |