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<p>The B-cell lymphoma-2 (Bcl-2) family proteins, key regulators of apoptosis, are frequently dysregulated in cancer, tipping the balance of cell survival and apoptosis in favor of survival. The ubiquitin-proteasome system (UPS) is a critical cellular machinery that controls the Bcl-2 levels through regulation of protein stability. This review delves into the intricate interplay between the proteasome and Bcl-2 family members, exploring how proteasome-mediated degradation impacts cell survival and proliferation to influence cancer progression. We discuss the therapeutic potential of targeting the proteasome-Bcl-2 axis, including the use of proteasome inhibitors as anticancer agents. We examine their mechanisms of action, clinical efficacy, and limitations while exploring emerging strategies to overcome these challenges.</p>

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A new era in cancer therapy: targeting the Proteasome-Bcl-2 axis

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年8月21日

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  • Sourabh Soni,
  • Vandana Anang,
  • Yutong Zhao,
  • Jeffrey C. Horowitz,
  • Richard S. Nho,
  • Yohannes A. Mebratu

摘要

The B-cell lymphoma-2 (Bcl-2) family proteins, key regulators of apoptosis, are frequently dysregulated in cancer, tipping the balance of cell survival and apoptosis in favor of survival. The ubiquitin-proteasome system (UPS) is a critical cellular machinery that controls the Bcl-2 levels through regulation of protein stability. This review delves into the intricate interplay between the proteasome and Bcl-2 family members, exploring how proteasome-mediated degradation impacts cell survival and proliferation to influence cancer progression. We discuss the therapeutic potential of targeting the proteasome-Bcl-2 axis, including the use of proteasome inhibitors as anticancer agents. We examine their mechanisms of action, clinical efficacy, and limitations while exploring emerging strategies to overcome these challenges.