PUBLICATION

Cratoxylumxanthone C, a natural xanthone, inhibits lung cancer proliferation and metastasis by regulating STAT3 and FAK signal pathways

Authors
Li, Y., Wang, H., Liu, W., Hou, J., Xu, J., Guo, Y., Hu, P.
ID
ZDB-PUB-220827-32
Date
2022
Source
Frontiers in pharmacology   13: 920422 (Journal)
Registered Authors
Keywords
FAK, anti-tumor, cratoxylumxanthone C, natural xanthone, stat3, zebrafish
MeSH Terms
none
PubMed
36016565 Full text @ Front Pharmacol
Abstract
To discover phytochemicals as lead compounds for cancer treatment, cratoxylumxanthone C, a natural xanthone, was obtained from Cratoxylum cochinchinense (Lour.) Bl., for which there have been no reports on the biological effects against cancer. Our study revealed that cratoxylumxanthone C had significant anti-tumor activity by inducing apoptosis, augmenting cellular reactive oxygen species (ROS), and arresting cell circle. The mechanistic examination showed the inhibition of A549 cell proliferation and metastasis by cratoxylumxanthone C was coupled with the signal transducer and activator of transcription 3 (STAT3) and focal adhesion kinase (FAK) signaling pathways. Furthermore, the zebrafish models confirmed its significant in vivo anti-tumor activity, in which cratoxylumxanthone C inhibited tumor proliferation and metastasis and suppressed the angiogenesis. Comprehensively, these cellular and zebrafish experiments implied that cratoxylumxanthone C may have the potential to become an anti-tumor agent for lung cancer, especially non-small cell lung cancer (NSCLC).
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