Therapeutic Drug for Suppressing Functions of NKT Cells Containing Glycolipid Derivative as Active Ingredient

摘要

A therapeutic drug for diseases, in which NKT cells or stimulus of NKT cells is involved in deterioration of disease conditions, containing, as an active ingredient, a glycolipid derivative having the formula (I): wherein R1 indicates an aldopyranose residue, R2 indicates a hydrogen atom or a hydroxy group, A indicates -CH2-, -CH(OH)-CH2- or -CH-CHCH2-, x indicates an integer of 13 to 16 and y indicates an integer of 0 to 25 or its pharmacologically acceptable hydrate or solvate.