| 摘要 |
<p>A material capable of promoting cellular responsiveness to CGRP is provided. A lignan represented by the following formula (I), wherein in formula (I), R 1 represents a hydrogen atom or an alkoxy group; and R 2 , R 3 and R 4 , which may be identical or different, each represent an alkoxy group, is used for the promotion of cellular responsiveness to CGRP,</p> |
