Mok Chi Chiu
Department of Medicine and Geriatrics, Tuen Mun Hospital, Hong Kong.
Immunotargets Ther. 2025 Jun 24;14:605-629. doi: 10.2147/ITT.S485650. eCollection 2025.
The pathophysiology of systemic lupus erythematosus (SLE) is complex and involves most cell types of the innate and adaptive immune system. Impaired clearance of apoptotic bodies and self-antigens, dysregulated cytokine network and aberrated functions of the immune cells lead to overproduction of autoantibodies, activation of complements, immune complex deposition and tissue injury. Novel biological and newer generation immunosuppressive agents have been developed to target the B cells, T cells, T/B cell interaction, plasmacytoid dendritic cells and the cytokines. With the advances in the knowledge about the intracellular pathways, small molecules that inhibit the downstream signal transduction from surface receptors and intracellular protein degradation by the ubiquitin-proteasome system are being developed in the pipeline. This article summarizes the evidence of various immunotargets for the treatment of SLE. These novel agents target specific cellular mechanisms, and further works are necessary to stratify patients according to biomarkers to receive individualized therapies that could help maximize the clinical response. With the availability of more therapeutic choices, a combination approach to achieve synergistic effects while reducing adverse events by dosage reduction of individual drugs is being explored for SLE patients at risk of disease progression or refractory to conventional therapies.
系统性红斑狼疮(SLE)的病理生理学很复杂,涉及先天性和适应性免疫系统的大多数细胞类型。凋亡小体和自身抗原清除受损、细胞因子网络失调以及免疫细胞功能异常导致自身抗体过度产生、补体激活、免疫复合物沉积和组织损伤。已开发出新型生物制剂和新一代免疫抑制剂,以作用于B细胞、T细胞、T/B细胞相互作用、浆细胞样树突状细胞和细胞因子。随着对细胞内信号通路认识的进展,正在研发抑制表面受体下游信号转导以及泛素-蛋白酶体系统介导的细胞内蛋白质降解的小分子药物。本文总结了治疗SLE的各种免疫靶点的证据。这些新型药物作用于特定的细胞机制,还需要进一步研究根据生物标志物对患者进行分层,以接受个体化治疗,从而有助于使临床反应最大化。随着更多治疗选择的出现,对于有疾病进展风险或对传统疗法难治的SLE患者,正在探索联合用药方法,以通过减少单个药物剂量来实现协同效应,同时减少不良事件。
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