Related Experiment Video
Updated: May 22, 2026

Modeling Paracrine Noncanonical Wnt Signaling In Vitro
Published on: December 10, 2021
Phorbol esters with wnt signal-augmenting effects isolated from Excoecaria indica
Tatsuhiro Yamaguchi1, Kazufumi Toume, Midori A Arai
1Graduate School of Pharmaceutical Sciences, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan.
Abstract:
A screening of natural products using a luciferase assay targeting the Wnt signaling pathway was carried out, and the bioassay-guided fractionation of Excoecaria indica (Euphorbiaceae) collected from Bangladesh afforded three phorbol esters (1 - 3). These compounds exhibited Wnt signal-augmenting effects with 1 causing a 25-fold increase in TCF/beta-catenin (TOP) transcriptional activity at 95 nM.
Related Concept Videos
Non-Canonical Wnt Signaling Pathways
Non-Canonical Wnt Signaling Pathways
Canonical Wnt Signaling Pathway
Canonical Wnt Signaling Pathway
Cell Signaling in Plants
Role of Ephrin-Eph Signalling in Intestinal Stem Cell Renewal

