Aina He, Songhai Tian, Oded Kopper, Daniel J Horan, Peng Chen, Roderick T Bronson, Ren Sheng, Hao Wu, Lufei Sui, Kun Zhou, Liang Tao, Quan Wu, Yujing Huang, Zan Shen, Sen Han, Xueqing Chen, Hong Chen, Xi He, Alexander G Robling, Rongsheng Jin, Hans Clevers, Dongxi Xiang, Zhe Li, Min Dong
Wnt signaling pathways are transmitted via 10 homologous frizzled receptors (FZD1-10) in humans. Reagents broadly inhibiting Wnt signaling pathways reduce growth and metastasis of many tumors, but their therapeutic development has been hampered by the side effect. Inhibitors targeting specific Wnt-FZD pair(s) enriched in cancer cells may reduce side effect, but the therapeutic effect of narrow-spectrum Wnt-FZD inhibitors remains to be established in vivo. Here, we developed a fragment of C. difficile toxin B (TcdBFBD), which recognizes and inhibits a subclass of FZDs, FZD1/2/7, and examined whether targeting this FZD subgroup may offer therapeutic benefits for treating breast cancer models in mice...
November 2023: PLoS Biology