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GSK-3-Selective Inhibitors Derived from Tyrian Purple Indirubins

Open access
Meijer, Laurent, Skaltsounis, Alexios-Leandros, Magiatis, Prokopios, Polychronopoulos, Panagiotis, Knockaert, Marie, Leost, Maryse, Ryan, Xiaozhou P., Vonica, Claudia Alin, Brivanlou, Ali, Dajani, Rana, Crovace, Claudia, Tarricone, Cataldo, Musacchio, Andrea, Roe, S.Mark, Pearl, Laurence, Greengard, Paul·2003·Chemistry & Biology

Abstract

Gastropod mollusks have been used for over 2500 years to produce the "Tyrian purple" dye made famous by the Phoenicians. This dye is constituted of mixed bromine-substituted indigo and indirubin isomers. Among these, the new natural product 6-bromoindirubin and its synthetic, cell-permeable derivative, 6-bromoindirubin-3'-oxime (BIO), display remarkable selective inhibition of glycogen synthase kinase-3 (GSK-3). Cocrystal structure of GSK-3beta/BIO and CDK5/p25/indirubin-3'-oxime were resolved, providing a detailed view of indirubins' interactions within the ATP binding pocket of these kinases. BIO but not 1-methyl-BIO, its kinase inactive analog, also inhibited the phosphorylation on Tyr276/216, a GSK-3alpha/beta activation site. BIO but not 1-methyl-BIO reduced beta-catenin phosphorylation on a GSK-3-specific site in cellular models. BIO but not 1-methyl-BIO closely mimicked Wnt signaling in Xenopus embryos. 6-bromoindirubins thus provide a new scaffold for the development of selective and potent pharmacological inhibitors of GSK-3.

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Crossref · 10.1016/j.chembiol.2003.11.010

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Metadata

Authors
Meijer, L., Skaltsounis, A.-L., Magiatis, P., Polychronopoulos, P., Knockaert, M., Leost, M., Ryan, X. P., Vonica, C. A., Brivanlou, A., Dajani, R., Crovace, C., Tarricone, C., Musacchio, A., Roe, S. M., Pearl, L., & Greengard, P.
Venue
Chemistry & Biology
Publisher
Elsevier BV
Published
2003-12
Volume
10
Issue
12
Pages
1255-1266
ISSN
1074-5521 (ISSN-L)
OpenAlex
W1964378600
Cited by
808
References
3
FWCI
8.26
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: GSK-3-Selective Inhibitors Derived from Tyrian Purple Indirubins. https://app.cochat.ai/papers/10.1016/j.chembiol.2003.11.010
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Meijer, L., Skaltsounis, A.-L., Magiatis, P., Polychronopoulos, P., Knockaert, M., Leost, M., Ryan, X. P., Vonica, C. A., Brivanlou, A., Dajani, R., Crovace, C., Tarricone, C., Musacchio, A., Roe, S. M., Pearl, L., & Greengard, P. (2003). GSK-3-Selective Inhibitors Derived from Tyrian Purple Indirubins. Chemistry & Biology. https://doi.org/10.1016/j.chembiol.2003.11.010

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.