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 25or its pharmacologically acceptable hydrate or solvate.