Anti-cancer agents in medicinal chemistry · 2023
Ganoderic Acid A Enhances Tumor Suppression Function of Oxaliplatin via Inducing the Cytotoxicity of T Cells.
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Song Zhichao, Wang Chunhui, Ding Fei, Zou Hao, Liu Chengkui
Аннотация
BACKGROUND: Various natural products have been demonstrated for their anti-tumor activities. As a natural triterpenoid, the effects of ganoderic acid A on oxaliplatin chemotherapy for cancer treatment remain unclear.
METHODS: A xenograft mouse model of colon cancer was constructed using the HT-29 cells. Ganoderic acid A was intravenously administered with or without oxaliplatin. The CCK-8 method was performed to assess cell viability. Flow cytometry was used to determine cell apoptosis and subtyping of T cells. Cytotoxicity of the T cells was assayed using a lymphocyte-tumor co-culture system in vitro.
RESULTS: Ganoderic acid A enhanced tumor suppression of oxaliplatin in the xenograft model, while single administration showed no obvious anti-tumor effect. Ganoderic acid A didn't affect cell proliferation and apoptosis of HT-29 cells treated by oxaliplatin in vitro. Additionally, ganoderic acid A co-administered with oxaliplatin didn't impact T cell subtyping in the xenograft model. Cytotoxicity of T cells in co-administered mice was remarkably enhanced compared with oxaliplatin-treated mice.
CONCLUSION: Our findings reveal that ganoderic acid A synergistically enhances tumor suppression of oxaliplatin possibly via increasing the cytotoxicity of T cells.
METHODS: A xenograft mouse model of colon cancer was constructed using the HT-29 cells. Ganoderic acid A was intravenously administered with or without oxaliplatin. The CCK-8 method was performed to assess cell viability. Flow cytometry was used to determine cell apoptosis and subtyping of T cells. Cytotoxicity of the T cells was assayed using a lymphocyte-tumor co-culture system in vitro.
RESULTS: Ganoderic acid A enhanced tumor suppression of oxaliplatin in the xenograft model, while single administration showed no obvious anti-tumor effect. Ganoderic acid A didn't affect cell proliferation and apoptosis of HT-29 cells treated by oxaliplatin in vitro. Additionally, ganoderic acid A co-administered with oxaliplatin didn't impact T cell subtyping in the xenograft model. Cytotoxicity of T cells in co-administered mice was remarkably enhanced compared with oxaliplatin-treated mice.
CONCLUSION: Our findings reveal that ganoderic acid A synergistically enhances tumor suppression of oxaliplatin possibly via increasing the cytotoxicity of T cells.