Indole-2-carboxamide derivative LG25 inhibits triple-negative breast cancer growth by suppressing akt/mTOR/NF-κB signalling pathway
X Xu, V Rajamanickam, S Shu, Z Liu… - Drug Design …, 2019 - Taylor & Francis
X Xu, V Rajamanickam, S Shu, Z Liu, T Yan, J He, Z Liu, G Guo, G Liang, Y Wang
Drug Design, Development and Therapy, 2019•Taylor & FrancisBackground Triple-negative breast cancer (TNBC) is an aggressive subtype of breast cancer
which is associated with poor patient outcome and lack of targeted therapy. Our laboratory
has synthesized a series of indole-2-carboxamide derivatives. Among this series, compound
LG25 showed a favorable pharmacological profile against sepsis and inflammatory
diseases. In the present study, we investigated the chemotherapeutic potential of LG25
against TNBC utilizing in vitro and in vivo models. Methods Changes in cell viability, cell …
which is associated with poor patient outcome and lack of targeted therapy. Our laboratory
has synthesized a series of indole-2-carboxamide derivatives. Among this series, compound
LG25 showed a favorable pharmacological profile against sepsis and inflammatory
diseases. In the present study, we investigated the chemotherapeutic potential of LG25
against TNBC utilizing in vitro and in vivo models. Methods Changes in cell viability, cell …
Background
Triple-negative breast cancer (TNBC) is an aggressive subtype of breast cancer which is associated with poor patient outcome and lack of targeted therapy. Our laboratory has synthesized a series of indole-2-carboxamide derivatives. Among this series, compound LG25 showed a favorable pharmacological profile against sepsis and inflammatory diseases. In the present study, we investigated the chemotherapeutic potential of LG25 against TNBC utilizing in vitro and in vivo models.
Methods
Changes in cell viability, cell cycle phases and apoptosis were analyzed using MTT, clonogenic assay, FACS and Western blotting assays. The anti-cancer effects of LG25 were further determined in a xenograft mouse model.
Results
Our findings reveal that LG25 reduced TNBC viability in a dose-dependent manner. Flow cytometric and Western blot analyses showed that LG25 enhances G2/M cell cycle arrest and induced cell apoptosis. In addition, LG25 treatment significantly inhibited Akt/mTOR phosphorylation and nuclear translocation of nuclear factor-κB (NF-κB). These inhibitory activities of LG25 were confirmed in mice implanted MDA-MB-231 TNBC cells.
Conclusion
Our studies provide experimental evidence that indole-2-carboxamide derivative LG25 effectively targeted TNBC in preclinical models by inducing cell cycle arrest and apoptosis, through suppressing Akt/mTOR/NF-κB signaling pathway.
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