Journal
BIOORGANIC & MEDICINAL CHEMISTRY
Volume 17, Issue 17, Pages 6188-6195Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2009.07.062
Keywords
Conophylline; Amination; Nano-beads; Affinity-purification; ARL6IP
Funding
- Ministry of Education, Culture, Sports, Science, and Technology (MEXT)
- High-Tech Research Center Project
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Conophylline, a vinca alkaloid extracted from the tropical plant Ervatamia microphylla, has been shown to induce the differentiation of insulin-producing beta-cells in cultured cells and in animals. However, its mechanism of action and the molecular target have remained unclear. Therefore, we prepared a fishing probe with conophylline to identify the target protein by using latex nano-beads, which are newly innovated tools for affinity-purification. With these conophylline-linked nano-beads, we found that conophylline directly interacted with ARL6IP. ARL6IP may thus be involved in the mechanism of cellular differentiation of beta-cells, and this probe should be useful to find other target proteins. (C) 2009 Elsevier Ltd. All rights reserved.
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