RT Journal Article SR Electronic T1 A naphthoquinone derivative, shikonin, has insulin-like actions by inhibiting both PTEN and tyrosine phosphatases JF Molecular Pharmacology JO Mol Pharmacol FD American Society for Pharmacology and Experimental Therapeutics DO 10.1124/mol.106.025809 A1 Kiyomi Nigorikawa A1 Kyoko Yoshikawa A1 Tomo Sasaki A1 Eiji Iida A1 Mariko Tsukamoto A1 Hitomi Murakami A1 Tomohiko Maehama A1 Kaoru Hazeki A1 Osamu Hazeki YR 2006 UL http://molpharm.aspetjournals.org/content/early/2006/06/27/mol.106.025809.abstract AB