CD81 通过阻断 CD274/PD-L1 的选择性自噬降解驱动放射抵抗性胶质母细胞瘤的免疫逃逸
CD81 drives immune evasion in radioresistant glioblastoma by blocking selective autophagic degradation of CD274/PD-L1.
我们的工作确立了CD81作为连接放射抵抗与免疫逃逸的关键桥梁,其通过维持GBM中CD274的丰度发挥作用,并突显CD81作为优化放射免疫治疗的有前景的治疗靶点。
英文原题:Dendritic cell therapy for neurospoagioma: Immunomodulation mediated by tumor vaccine.
神经胶质瘤起源于星形胶质细胞、少突胶质细胞和室管膜细胞等不同的胶质细胞,是中枢神经系统内最常见的颅内肿瘤。
神经胶质瘤起源于不同类型的胶质细胞,如星形胶质细胞、少突胶质细胞和室管膜细胞,是中枢神经系统中最常见的颅内肿瘤。在其各种变异型中,胶质母细胞瘤(GBM)代表最具侵袭性的形式,其特征是发生率显著高且生存预后令人沮丧地低。胶质母细胞瘤带来的巨大挑战凸显了其作为一种危及生命的疾病的关键重要性。目前,临床方法通常涉及手术切除以及放疗和化疗的组合。然而,这些治疗常常导致显著的复发率,并伴随 substantial 不良作用,显著损害整体预后。因此,迫切需要研究新颖且可靠的治疗策略。树突状细胞(DCs)作为专门的抗原呈递细胞(APCs),在先天性和适应性免疫反应中均占据重要地位。目前,DC疫苗已广泛应用于包括神经胶质瘤在内的多种肿瘤的治疗。在本综述中,我们总结了DC疫苗在神经胶质瘤中的免疫调节作用及相关机制以及临床试验的进展,以提出DC疫苗可能面临的挑战和新的发展方向。
Neurospagioma, arising from different glial cells such as astrocytes, oligodendrocytes, and ependymal cells, stands as the prevalent intracranial tumor within the central nervous system. Among its variants, glioblastoma (GBM) represents the most aggressive form, characterized by a notably high occurrence rate and a discouragingly low survival prognosis. The formidable challenge posed by glioblastoma underscores its critical importance as a life-threatening ailment. Currently, clinical approaches often involve surgical excision along with a combination of radiotherapy and chemotherapy. However, these treatments frequently result in a notable recurrence rate, accompanied by substantial adverse effects that significantly compromise the overall prognosis. Hence, there is a crucial need to investigate novel and dependable treatment strategies. Dendritic cells (DCs), being specialized antigen-presenting cells (APCs), hold a significant position in both innate and adaptive immune responses. Presently, DC vaccines have gained widespread application in the treatment of various tumors, including neurospoagioma. In this review, we summarize the immunomodulatory effects and related mechanisms of DC vaccines in neurospoagioma as well as the progress of clinical trials to propose possible challenges of DC vaccines and new development directions.
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