AUTHOR=TANAKA Yoshiaki TITLE=Recent topics on the regulatory mechanism of ecdysteroidogenesis by the prothoracic glands in insects. JOURNAL=Frontiers in Endocrinology VOLUME=2 YEAR=2011 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2011.00107 DOI=10.3389/fendo.2011.00107 ISSN=1664-2392