A natural aryl hydrocarbon receptor ligand, indirubin, causes the p21(waf1/cip1) upregulation cooperated with tumor necrosis factor-alpha Publication Attachment: 05-126.pdf Authors: Kaji, Haruna, Kida, Yoshihiro, Adachi, Jun, Mori, Yoshitomo, Sakata, Yoshinori, Saeki, Kenichi, Watanabe, Hajime, Matsui, Saburo, Matsuda, Tomonari Year: 2005