Guang 'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China.
IET Nanobiotechnol. 2024 Feb 24;2024:5593879. doi: 10.1049/2024/5593879. eCollection 2024.
Cancer vaccines based on tumor cell components have shown promising results in animal and clinical studies. The vaccine system contains abundant tumor antigen components, which can activate the immune system by antigens. However, their efficacy has been limited by the inability of antigens delivery, which are the core components of vaccines, further fail to be presented and activation of effective cells. Nanotechnology offers a novel platform to enhance the immunogenicity of tumor-associated antigens and deliver them to antigen-presenting cells (APCs) more efficiently. In addition, nanotreatment of tumor cells derivate active ingredients could also help improve the effectiveness of cancer vaccines. In this review, we summarize recent advances in the development of cancer vaccines by the combination of nanotechnology and tumor-based ingredients, including liposomes, polymeric nanoparticles, metallic nanoparticles, virus-like particles and tumor cells membrane, tumor lysate, and specific tumor antigens. These nanovaccines have been designed to increase antigen uptake, prolong antigen presentation, and modulate immune responses through codelivery of immunostimulatory agents. We also further discuss challenges and opportunities in the clinical translation of these nanovaccines.
基于肿瘤细胞成分的癌症疫苗在动物和临床研究中显示出了有前景的结果。该疫苗系统包含丰富的肿瘤抗原成分,这些成分可以通过抗原激活免疫系统。然而,由于抗原传递的能力有限,它们的疗效受到了限制,而抗原传递是疫苗的核心成分,进一步导致无法有效呈递和激活有效细胞。纳米技术为增强肿瘤相关抗原的免疫原性并更有效地将其递送至抗原呈递细胞(APCs)提供了一个新的平台。此外,肿瘤细胞衍生的有效成分的纳米处理也有助于提高癌症疫苗的效果。在这篇综述中,我们总结了最近通过纳米技术和基于肿瘤的成分(包括脂质体、聚合物纳米颗粒、金属纳米颗粒、类病毒颗粒和肿瘤细胞膜、肿瘤裂解物和特定的肿瘤抗原)联合开发癌症疫苗的进展。这些纳米疫苗旨在通过共递免疫刺激剂来增加抗原摄取、延长抗原呈递并调节免疫反应。我们还进一步讨论了这些纳米疫苗在临床转化中的挑战和机遇。
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