决定异体 CAR T 细胞排斥与扩增的细胞和分子机制
Cellular and molecular mechanisms determining allogeneic CAR T cell rejection and expansion.
我们评估了11例接受单一批次cemacabtagene ansegedleucel(cema-cel)治疗的大B细胞淋巴瘤患者,cemacabtagene ansegedleucel是一种异体抗CD19 CAR T产品。
英文原题:Rewriting CAR-T cell fate: CRISPR/Cas gene editing for solid tumor therapy.
尽管CAR-T(CAR-T)细胞疗法在血液系统恶性肿瘤中取得了显著成功,但其在实体瘤中的治疗效果仍受多种挑战限制,包括肿瘤浸润不足、T细胞耗竭以及免疫抑制性肿瘤微环境(TME)。
尽管CAR-T(CAR-T)细胞疗法在血液系统恶性肿瘤中取得了显著成功,但其在实体瘤中的治疗效果仍受到若干挑战的限制,包括肿瘤浸润不足、T细胞耗竭以及免疫抑制性肿瘤微环境(TME)。CRISPR/Cas是近年来发展的第三代基因编辑技术,具有操作简便和高效的特点。该技术已在多个领域展现出广泛的应用潜力,并已成为改进CAR-T细胞疗法的有力工具。在本综述中,我们总结了应用CRISPR/Cas基因编辑技术增强CAR-T细胞抗实体瘤活性的最新进展。我们还讨论了当前面临的关键挑战,并系统性地提出了克服这些局限性的潜在策略。
Although chimeric antigen receptor T (CAR-T) cell therapy has achieved remarkable success in hematological malignancies, its therapeutic efficacy in solid tumors remains limited by several challenges, including insufficient tumor infiltration, T cell exhaustion and the immunosuppressive tumor microenvironment (TME). CRISPR/Cas, a third-generation gene editing technology developed in recent years, is characterized by its simplicity and high efficiency. This technology has demonstrated broad application potential across multiple fields and has emerged as a powerful tool for improving CAR-T cell therapy. In this review, we summarize recent advances in the application of CRISPR/Cas gene editing technology to enhance the antitumor activity of CAR-T cells against solid tumors. We also discuss the key challenges currently faced and systematically propose potential strategies for overcoming the limitations.
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