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<p>Studies in breast cancer have demonstrated that apatinib exhibits both antiangiogenic and antitumor effects, while PD-L1 inhibitors have similarly shown meaningful clinical benefit. Building upon these observations, this study evaluated the potential synergistic antitumor effects of combining apatinib with a PD-L1 inhibitor and examined the mechanistic basis for their interaction in breast cancer. Notably, we found that this regimen could significantly suppress the proliferation, migration, and invasion of MCF-7 and MDA-MB-231 cells, and promote cell apoptosis. In addition, the levels of p-ERK, NF-κB, and Slug were markedly reduced in vitro. Collectively, these findings support the potential clinical utility of combining apatinib and PD-L1 inhibition, as evidenced by consistent in vitro and in vivo synergy.</p>

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Synergistic Anticancer Effects of Apatinib and PD-L1 Inhibition in Breast Cancer

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年1月31日

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  • Danyang Han,
  • Juanjuan Xu,
  • Cairu Guo

摘要

Studies in breast cancer have demonstrated that apatinib exhibits both antiangiogenic and antitumor effects, while PD-L1 inhibitors have similarly shown meaningful clinical benefit. Building upon these observations, this study evaluated the potential synergistic antitumor effects of combining apatinib with a PD-L1 inhibitor and examined the mechanistic basis for their interaction in breast cancer. Notably, we found that this regimen could significantly suppress the proliferation, migration, and invasion of MCF-7 and MDA-MB-231 cells, and promote cell apoptosis. In addition, the levels of p-ERK, NF-κB, and Slug were markedly reduced in vitro. Collectively, these findings support the potential clinical utility of combining apatinib and PD-L1 inhibition, as evidenced by consistent in vitro and in vivo synergy.