Hebei Key Laboratory of Cancer Radiotherapy and Chemotherapy, Department of Medical Oncology, Affiliated Hospital of Hebei University, Baoding, Hebei, China.
Department of Ultrasound, Hebei Key Laboratory of Precise Imaging of Inflammation Related Tumors, Affiliated Hospital of Hebei University, Baoding, Hebei, China.
Cancer Lett. 2024 Apr 10;587:216659. doi: 10.1016/j.canlet.2024.216659. Epub 2024 Feb 15.
Despite the challenges posed by drug resistance and side effects, chemotherapy remains a pivotal strategy in cancer treatment. A key issue in this context is macroautophagy (commonly known as autophagy), a dysregulated cell death mechanism often observed during chemotherapy. Autophagy plays a cytoprotective role by maintaining cellular homeostasis and recycling organelles, and emerging evidence points to its significant role in promoting cancer progression. Cisplatin, a DNA-intercalating agent known for inducing cell death and cell cycle arrest, often encounters resistance in chemotherapy treatments. Recent studies have shown that autophagy can contribute to cisplatin resistance or insensitivity in tumor cells through various mechanisms. This resistance can be mediated by protective autophagy, which suppresses apoptosis. Additionally, autophagy-related changes in tumor cell metastasis, particularly the induction of Epithelial-Mesenchymal Transition (EMT), can also lead to cisplatin resistance. Nevertheless, pharmacological strategies targeting the regulation of autophagy and apoptosis offer promising avenues to enhance cisplatin sensitivity in cancer therapy. Notably, numerous non-coding RNAs have been identified as regulators of autophagy in the context of cisplatin chemotherapy. Thus, therapeutic targeting of autophagy or its associated pathways holds potential for restoring cisplatin sensitivity, highlighting an important direction for future clinical research.
尽管耐药性和副作用带来了挑战,但化疗仍然是癌症治疗的关键策略。在这方面的一个关键问题是巨自噬(通常称为自噬),这是一种在化疗过程中经常观察到的失调的细胞死亡机制。自噬通过维持细胞内稳态和回收细胞器发挥细胞保护作用,新出现的证据表明它在促进癌症进展方面发挥着重要作用。顺铂是一种已知能诱导细胞死亡和细胞周期停滞的 DNA 嵌入剂,在化疗治疗中经常遇到耐药性。最近的研究表明,自噬可以通过多种机制导致肿瘤细胞对顺铂的耐药性或不敏感性。这种耐药性可以通过保护性自噬来介导,保护性自噬抑制细胞凋亡。此外,自噬相关的肿瘤细胞转移变化,特别是上皮-间充质转化(EMT)的诱导,也可能导致顺铂耐药性。然而,靶向自噬和细胞凋亡调节的药理学策略为增强癌症治疗中顺铂的敏感性提供了有前途的途径。值得注意的是,许多非编码 RNA 已被确定为顺铂化疗中自噬的调节剂。因此,自噬或其相关途径的治疗靶向有可能恢复顺铂的敏感性,这凸显了未来临床研究的一个重要方向。
Cochrane Database Syst Rev. 2017-8-29
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