Garemilla Sri Sathya Sandilya, Gampa Siri Chandana, Garimella Sireesha
The George Washington University, Washington, DC, USA.
Department of Life Sciences, GITAM (Deemed to be University), Visakhapatnam, Andhra Pradesh, 530045, India.
Med Oncol. 2025 May 7;42(6):202. doi: 10.1007/s12032-025-02754-w.
Cancer is a leading cause of death globally, with resistance to therapy representing a major obstacle to effective treatment. The tumor microenvironment (TME), comprising a complex network to cellular and non-cellular components including cancer-associated fibroblasts, immune cells, the extracellular matrix and region of hypoxia, is integral to cancer progression and therapeutic resistance. This review delves into the multifaceted interactions within the TME that contribute to tumor growth, survival and immune evasion. Key elements such as the role of cancer- associated fibroblasts in remodeling the extracellular matrix and promoting angiogenesis, the influence of immune cells such as tumor-associated macrophages in creating an immunosuppressive milieu and the impact of hypoxia conditions on metabolic adaptation and therapy resistance are thoroughly examined. This review evaluates current and emerging TME-targeted therapeutic strategies, including inhibitors of extracellular matrix components, modulators of immune cell activity and approached to alleviate hypoxia. Combination therapies that integrate TME-targeted agents with conventional treatments such as chemotherapy and immunotherapy are also discussed for their potential to enhance treatment efficacy and circumvent resistance mechanisms. By synthesising recent advances in TME research and therapeutic innovation, this paper aims to underscore the importance of TME in cancer therapy and highlight promising avenues for improving patient outcomes through targeted intervention.
癌症是全球主要的死亡原因之一,对治疗产生耐药性是有效治疗的主要障碍。肿瘤微环境(TME)由细胞和非细胞成分组成的复杂网络构成,包括癌症相关成纤维细胞、免疫细胞、细胞外基质和缺氧区域,对癌症进展和治疗耐药性至关重要。这篇综述深入探讨了TME内有助于肿瘤生长、存活和免疫逃逸的多方面相互作用。对关键因素进行了全面研究,例如癌症相关成纤维细胞在重塑细胞外基质和促进血管生成中的作用、肿瘤相关巨噬细胞等免疫细胞在营造免疫抑制环境中的影响,以及缺氧条件对代谢适应和治疗耐药性的影响。这篇综述评估了当前和新兴的针对TME的治疗策略,包括细胞外基质成分抑制剂、免疫细胞活性调节剂以及缓解缺氧的方法。还讨论了将针对TME的药物与化疗和免疫疗法等传统治疗方法相结合的联合疗法,因其具有提高治疗效果和规避耐药机制的潜力。通过综合TME研究和治疗创新的最新进展,本文旨在强调TME在癌症治疗中的重要性,并突出通过靶向干预改善患者预后的有前景的途径。
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