Cellular immunity enhancing agent using a substance having a histone deacetylase inhibitory activity

[Object of the present invention is to provide a cell-mediated immune enhancing agent, contribute to the carcinogenesis, cancer relapse prevention treatment, cancer immunotherapy or application to the pathogenic microorganism infection treatment and the like. A according to the present invention Cellular immunity enhancing agent comprises a substance having histone deacetylase (HDAC) inhibitory activity as an active ingredient. .FIELD 1