| 摘要 |
The present invention provides an NF-kappa B inhibitor. The NF-kappa B inhibitor of the present invention contains a carbostyril compound represented by General Formula (1) or a salt thereof, wherein A is a direct bond, a lower alkylene group, or a lower alkylidene group; X is an oxygen atom or a sulfur atom; R and R each represent a hydrogen atom; the bond between the 3 and 4 positions of the carbostyril skeleton is a single bond or a double bond; R is a hydrogen atom, etc; R is a hydrogen atom, etc; and R is a hydrogen atom, etc. |
