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:CAR T-cell therapy in renal cell carcinoma: opportunities, challenges, and new strategies to overcome.
免疫疗法是一种利用来源于活生物体的物质治疗癌症的生物疗法。
免疫疗法是一种利用来源于活生物体物质治疗癌症的生物疗法,包含多种方式,如单克隆抗体、治疗性疫苗、免疫系统调节剂、T细胞过继治疗和免疫检查点抑制剂(ICI)。免疫疗法可通过改变免疫系统对癌细胞的反应治疗肾癌,通常以ICI或细胞因子形式给药。晚期癌症中有时会将免疫疗法与靶向治疗(如CAR-T细胞疗法)联合,以改善结局。嵌合抗原受体(CAR)T细胞疗法是一种癌症免疫疗法,通过基因工程改造T细胞,提高其清除癌细胞的能力。尽管CAR-T疗法已取得成功,仍存在重大局限,需进一步研究,包括抗原逃逸、B细胞恶性肿瘤中的抑制和耐药,以及危及生命的CAR-T相关毒性,如细胞因子释放综合征、神经毒性和持续性血细胞减少。肾细胞癌(RCC)是成人最常见的肾癌,常见治疗方式为部分或全肾切除,但手术可能造成疼痛以及器官和血管损伤。本研究考察T细胞疗法治疗RCC的获益,以及相关挑战和问题;鉴于该癌症的重要性和发病率,也探讨了减少副作用的有效策略。
Immunotherapy is a biological treatment for cancer that utilizes substances sourced from live organisms. Immunotherapy encompasses several modalities, including monoclonal antibodies, therapeutic vaccinations, immune system modulators, T-cell transfer treatment, and immune checkpoint inhibitors (ICIs). It may treat kidney cancer by modifying the immune system's reaction to cancerous cells. These medicines are delivered as ICIs or cytokines. Immunotherapy may sometimes be used with targeted therapies, such as CAR T-cell therapy, to improve outcomes in advanced cancer. Chimeric Antigen Receptor (CAR) T-cell therapy is a kind of cancer immunotherapy using genetically engineered T cells to augment their capacity to eradicate cancer cells. Although CAR T-cell therapy has achieved success, it continues to have substantial limitations that necessitate further investigation. Antigen escape, inhibition and resistance in B-cell malignancies, and life-threatening CAR T-cell-associated toxicities, such as cytokine release syndrome, neurologic toxicities, and sustained cytopenias, are among their limitations. Renal cell carcinoma RCC is the most common type of kidney cancer in adults. The surgical excision of a portion or the entire kidney is a common treatment for RCC. This procedure has the potential to cause agony, as well as organ and blood vessel injury. This study has examined the benefits of T cell therapy in the treatment of RCC, as well as the challenges and issues associated with this treatment method. It has also examined effective strategies for reducing the side effects, in light of the importance and incidence rate of this type of cancer.
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