Triptonide, a natural product isolated and purified from the herb of Tripterygium wilfordii Hook.f. with antileukemic, antitumor, anti-inflammatory activities, is effective in the treatment of autoimmune diseases. Triptonide can effectively inhibit canonical Wnt/β-catenin signaling by targeting the downstream C-terminal transcription domain of β-catenin or a nuclear component associated with β-catenin.
Triptonide, a natural product isolated and purified from the herb of Tripterygium wilfordii Hook.f. with antileukemic, antitumor, anti-inflammatory activities, is effective in the treatment of autoimmune diseases. Triptonide can effectively inhibit canonical Wnt/β-catenin signaling by targeting the downstream C-terminal transcription domain of β-catenin or a nuclear component associated with β-catenin. In addition, triptonide treatment robustly rescued the zebrafish "eyeless" phenotype induced by GSK-3β antagonist 6-bromoindirubin-30-oxime (BIO) for Wnt signaling activation during embryonic gastrulation[3]. Triptonide effectively suppressed TNBC (Triple-negative breast cancer) cell tumorigenesis, vasculogenic mimicry, and strongly inhibited the metastasis of TNBC via degradation of Twist1 and Notch1 oncoproteins, downregulation of metastatic and angiogenic gene expression, and reduction of NF-κB signaling pathway[4]. Single daily oral doses of triptonide induces deformed sperm with minimal or no forward motility (close to 100% penetrance) and consequently male infertility in 3-4 and 5-6 weeks in mice and cynomolgus monkeys, respectively[5].
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