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<p>NF-κB is a critical signaling molecule connecting inflammation and tumors, involved in numerous cellular processes, including inflammation, cell transformation, tumor cell survival, proliferation, invasion, angiogenesis, and metastasis by regulating immune, growth, and inflammatory gene expression. Inhibition of the NF-κB signaling pathway in tumor cells can effectively reduce inflammation levels, potentially providing antitumor benefits. Resveratrol, a natural polyphenolic compound known for its anti-inflammatory properties, has been shown both anti-inflammatory and anticancer effects in breast cancer cells through the inhibition of NF-κB signaling. Based on the stilbene structure of Resveratrol, we designed and synthesized a series of novel analogs. Preliminary screening indicated that compound <b>8a</b> exhibited not only anti-inflammatory and antiproliferative effects but also suppressant on the expression of inflammatory factors in MCF-7 breast cancer cells. To gain a deeper understanding of its mechanism of action, we further investigated the inhibitory effect of compound <b>8a</b> on the NF-κB signaling pathway. The study found that compound <b>8a</b> can significantly reduce the expression levels of key proteins p65 and IκBα in the classical NF-κB signaling pathway and effectively prevent the entry of p65 protein into the nucleus, thereby exhibiting potent anti-inflammatory effects and potential anti-breast cancer activity. Molecular docking analysis results show that compound <b>8a</b> interacts with the NF-κB p65 protein through two crucial hydrogen bonds, and this binding affinity is even superior to that of the known Resveratrol. In summary, compound <b>8a</b> could be a promising drug lead, as a NF-κB inhibitor for breast cancer treatment.</p>

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Design and synthesis of stilbene analogs based on resveratrol as NF-κB inhibitors for the treatment of breast cancer

  • 期刊论文

  • 发表日期：

    2025年5月16日

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  • Shaojuan Fu,
  • Yu Zhang,
  • Yuanli Yang,
  • Xing Lu,
  • Yanni Wang,
  • Lingling Lei,
  • Junjie Lan,
  • Huan He,
  • Silong Zhang,
  • Weidong Pan

摘要

NF-κB is a critical signaling molecule connecting inflammation and tumors, involved in numerous cellular processes, including inflammation, cell transformation, tumor cell survival, proliferation, invasion, angiogenesis, and metastasis by regulating immune, growth, and inflammatory gene expression. Inhibition of the NF-κB signaling pathway in tumor cells can effectively reduce inflammation levels, potentially providing antitumor benefits. Resveratrol, a natural polyphenolic compound known for its anti-inflammatory properties, has been shown both anti-inflammatory and anticancer effects in breast cancer cells through the inhibition of NF-κB signaling. Based on the stilbene structure of Resveratrol, we designed and synthesized a series of novel analogs. Preliminary screening indicated that compound 8a exhibited not only anti-inflammatory and antiproliferative effects but also suppressant on the expression of inflammatory factors in MCF-7 breast cancer cells. To gain a deeper understanding of its mechanism of action, we further investigated the inhibitory effect of compound 8a on the NF-κB signaling pathway. The study found that compound 8a can significantly reduce the expression levels of key proteins p65 and IκBα in the classical NF-κB signaling pathway and effectively prevent the entry of p65 protein into the nucleus, thereby exhibiting potent anti-inflammatory effects and potential anti-breast cancer activity. Molecular docking analysis results show that compound 8a interacts with the NF-κB p65 protein through two crucial hydrogen bonds, and this binding affinity is even superior to that of the known Resveratrol. In summary, compound 8a could be a promising drug lead, as a NF-κB inhibitor for breast cancer treatment.