关节内输送 AAV 抗 TNF-α 载体可减轻关节炎小鼠模型的关节炎进展。

IF 3.9 3区 医学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Human gene therapy Pub Date : 2024-09-01 Epub Date: 2024-08-12 DOI:10.1089/hum.2024.084
Xiao Ke, Qing Xie, Shuang Luo, Qingwei Li, Qiang Zheng, Zhirong Zhang
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引用次数: 0

摘要

类风湿性关节炎是一种以关节破坏和功能障碍为特征的慢性炎症性自身免疫性疾病。肿瘤坏死因子(TNF)在类风湿性关节炎的发病机制中起着至关重要的作用。虽然 TNF 靶向药物在临床上很有效,但由于需要频繁和长期用药,患者的依从性往往很差,治疗效果也不理想。本研究开发了一种基因治疗方法,利用工程化腺相关病毒(AAV)载体将抗肿瘤坏死因子药物直接送入RA动物模型的关节腔。接受这种疗法的动物在临床评分、炎症指标和关节组织健康方面均有持续改善。免疫荧光染色显示,AAV 载体可以转导各种类型的细胞,包括 T 细胞、A 型滑膜细胞和树突状细胞。实验结果表明,这种基因疗法只需一次给药就能产生长期疗效。研究结果表明,AAV介导的抗肿瘤坏死因子基因疗法在RA动物模型中非常有效,能长期缓解临床症状并减轻炎症损伤。这种创新方法为基因疗法带来了巨大的潜力,具有重要的临床前景。
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Intra-Articular Delivery of an AAV-Anti-TNF-α Vector Alleviates the Progress of Arthritis in a RA Mouse Model.

Rheumatoid arthritis (RA) is a chronic, inflammatory autoimmune disease marked by joint destruction and functional impairment. Tumor necrosis factor (TNF) plays a critical role in RA pathogenesis. Although TNF-targeting drugs are clinically effective, their need for frequent and long-term administration often results in poor patient adherence and suboptimal outcomes. This study developed a gene therapy approach using engineered adeno-associated virus (AAV) vectors to deliver an anti-TNF agent directly into the joint cavity of RA animal models. Animals receiving this therapy demonstrated sustained improvement in clinical scores, inflammatory markers, and joint tissue health. Immunofluorescence staining revealed that AAV vectors could transduce various cell types, including T cells, type A synoviocytes, and dendritic cells. Our results indicate that a single administration of this gene therapy provided long-term efficacy. This suggests that AAV-mediated anti-TNF gene therapy can offer prolonged relief from clinical symptoms and reduce inflammatory damage in a mouse model of RA. This innovative approach presents a promising new therapy with significant clinical prospects to treat patients with RA.

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来源期刊
Human gene therapy
Human gene therapy 医学-生物工程与应用微生物
CiteScore
6.50
自引率
4.80%
发文量
131
审稿时长
4-8 weeks
期刊介绍: Human Gene Therapy is the premier, multidisciplinary journal covering all aspects of gene therapy. The Journal publishes in-depth coverage of DNA, RNA, and cell therapies by delivering the latest breakthroughs in research and technologies. Human Gene Therapy provides a central forum for scientific and clinical information, including ethical, legal, regulatory, social, and commercial issues, which enables the advancement and progress of therapeutic procedures leading to improved patient outcomes, and ultimately, to curing diseases.
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