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:Glioma targeted therapy: insight into future of molecular approaches.
胶质瘤是起源于胶质细胞的常见脑肿瘤类型。
胶质瘤是起源于胶质细胞的常见脑肿瘤类型。在流行病学上,胶质瘤可发生于所有年龄段,但更常见于成人,其中男性比女性更易感。根据世界卫生组织中枢神经系统肿瘤分类第五版(WHO CNS5),胶质瘤的标准治疗和预后可有显著差异。一般来说,局限性胶质瘤通常为良性,建议早期完全切除,必要时辅以化疗。弥漫性胶质瘤及其他高级别胶质瘤根据其分子亚型略有难治性,需要化疗。然而,对于胶质母细胞瘤,可行切除后放疗联合替莫唑胺化疗定义了当前的标准治疗。在此,我们讨论治疗胶质瘤的新可行或潜在靶点,尤其是IDH-野生型胶质母细胞瘤。经典靶点如p53和视网膜母细胞瘤(RB)通路及表皮生长因子受体(EGFR)基因改变由于复杂的调控网络而遭遇失败。对免疫治疗(免疫检查点分子、肿瘤相关巨噬细胞、树突状细胞疫苗、CAR-T)、肿瘤微环境以及几种有效方法联合的兴趣日益增加。随着许多靶向治疗选择的出现,指导特定靶向治疗处方的生物标志物也颇具吸引力。迫切需要更多的临床前和临床试验来探索和评估靶向治疗与相应生物标志物的可行性,以实现有效的个性化治疗选择。
Gliomas are the common type of brain tumors originating from glial cells. Epidemiologically, gliomas occur among all ages, more often seen in adults, which males are more susceptible than females. According to the fifth edition of the WHO Classification of Tumors of the Central Nervous System (WHO CNS5), standard of care and prognosis of gliomas can be dramatically different. Generally, circumscribed gliomas are usually benign and recommended to early complete resection, with chemotherapy if necessary. Diffuse gliomas and other high-grade gliomas according to their molecule subtype are slightly intractable, with necessity of chemotherapy. However, for glioblastoma, feasible resection followed by radiotherapy plus temozolomide chemotherapy define the current standard of care. Here, we discuss novel feasible or potential targets for treatment of gliomas, especially IDH-wild type glioblastoma. Classic targets such as the p53 and retinoblastoma (RB) pathway and epidermal growth factor receptor (EGFR) gene alteration have met failure due to complex regulatory network. There is ever-increasing interest in immunotherapy (immune checkpoint molecule, tumor associated macrophage, dendritic cell vaccine, CAR-T), tumor microenvironment, and combination of several efficacious methods. With many targeted therapy options emerging, biomarkers guiding the prescription of a particular targeted therapy are also attractive. More pre-clinical and clinical trials are urgently needed to explore and evaluate the feasibility of targeted therapy with the corresponding biomarkers for effective personalized treatment options.
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