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利用外泌体构建靶向给药系统以对抗脑癌。

Harnessing exosomes for targeted drug delivery systems to combat brain cancer.

作者信息

Basyoni Abdullah E, Atta Amira, Salem Maha M, Mohamed Tarek M

机构信息

Biochemistry Division, Chemistry Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt.

出版信息

Cancer Cell Int. 2025 Apr 15;25(1):150. doi: 10.1186/s12935-025-03731-z.

Abstract

Brain cancer remains a significant challenge in the field of oncology, primarily because of its aggressive nature and the limited treatment options available. Conventional therapies often fall short in effectively targeting tumor cells, while sparing healthy brain tissue from collateral damage. However, exosomes are now recognized as promising nanocarriers for targeted drug delivery. These naturally occurring extracellular vesicles can cross the blood-brain barrier and selectively interact with cancer cells. Utilizing exosomes as drug delivery vehicles offers a novel approach with significant potential for targeted therapy. By encapsulating therapeutic agents within exosomes, drugs can be specifically targeted to tumor cells, maximizing their impact whilst minimizing damage to healthy brain tissue. Furthermore, exosomes can be modified to display molecules that specifically recognize and bind to cancer cells, further enhancing their precision and efficacy. While exosome-based therapies show potential, scalability, purification, and clinical application challenges remain. The scalability of exosome production, purification, and modification techniques remains a hurdle that must be overcome for clinical translation. Additionally, the intricate interactions between the tumor microenvironment and exosomes necessitate further research to optimize therapeutic outcomes. The review explores applications and future perspectives of exosome-based therapies in advancing targeted brain cancer treatment.

摘要

脑癌仍然是肿瘤学领域的一项重大挑战,主要是因为其侵袭性本质以及可用的治疗选择有限。传统疗法在有效靶向肿瘤细胞的同时,往往难以避免对健康脑组织造成附带损害。然而,如今外泌体被认为是有前景的靶向药物递送纳米载体。这些天然存在的细胞外囊泡能够穿过血脑屏障,并与癌细胞选择性相互作用。利用外泌体作为药物递送载体提供了一种具有显著靶向治疗潜力的新方法。通过将治疗剂包裹在外泌体中,药物可以特异性地靶向肿瘤细胞,在将对健康脑组织的损害降至最低的同时,最大化其疗效。此外,外泌体可以被修饰以展示能够特异性识别并结合癌细胞的分子,进一步提高其精准度和疗效。虽然基于外泌体的疗法显示出潜力,但可扩展性、纯化以及临床应用方面的挑战依然存在。外泌体生产、纯化和修饰技术的可扩展性仍然是临床转化必须克服的障碍。此外,肿瘤微环境与外泌体之间复杂的相互作用需要进一步研究,以优化治疗效果。本综述探讨了基于外泌体的疗法在推进靶向脑癌治疗方面的应用和未来前景。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7f77/12001718/3969a978dc81/12935_2025_3731_Fig1_HTML.jpg

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