GENE EXPRESSION PROMOTING AGENT

摘要

PROBLEM TO BE SOLVED: To provide FR901228 or its salt used as an active component habing an expression promoting activity and a reactivation promoting activity on a transduced gene in vivo as well as in vitro and suitable for clinical use, especially for gene therapy. SOLUTION: The expression promoting agent and reactivation promoting agent for a transduced gene is composed of FR901228 expressed by formula 1 or its salt.