MAP2K1 and melanoma: The article Cycloartane triterpenoid (23R, 24E)-23-acetoxymangiferonic acid inhibited proliferation and migration in B16-F10 melanoma via MITF downregulation caused by inhibition of both β-catenin and c-Raf–MEK1–ERK signaling axis, written by Toshio Kaneda, Misaki Matsumoto, Yayoi Sotozono, Satoshi Fukami, Alfarius Eko Nugroho, Yusuke Hirasawa, Hadi A. Hamid A and Hiroshi Morita, was originally published Online First without Open Access.