Liver-avoiding capsids draw $1.1 billion

IF 33.1 1区 生物学 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
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引用次数: 0
避免肝脏的衣壳吸引了11亿美元
诺华制药(Novartis)以高达11亿美元的预付款和分期付款收购了凯特治疗公司(Kate Therapeutics),以加强其遗传性神经肌肉疾病基因疗法的投资组合。该生物技术公司正在开发杜氏肌营养不良症(DMD)、面肩肱骨营养不良症和1型肌强直性营养不良症的临床前治疗候选药物。该公司还开发了一个平台,用于生成腺相关病毒(AAV)衣壳或病毒蛋白外壳,并结合机器学习进化出针对骨骼和心肌的衣壳,同时避开肝脏。几种基于avv的基因疗法,包括Sarepta Therapeutics公司的用于DMD的Elevidys (delandistrogene moxeparvovec),使用的是天然产生的aav,这些aav大多最终进入肝脏,需要高剂量和潜在毒性才能确保足够的aav到达肌肉。Kate的联合创始人,来自麻省理工学院和哈佛大学Broad研究所的Sharif Tabebordbar及其合作者表明,当AVV的衣壳被修饰成含有被称为RGD基元的细胞粘附肽时,它会避开肝脏。研究人员以比常规avv低约100倍的剂量成功地将基因传递给遗传性肌肉疾病的小鼠模型。Kate的rgd修饰AAV的工程平台方法-被称为DELIVER:利用转基因RNA在体内表达的AAV衣壳定向进化-可用于任何组织类型。此外,Regenxbio和Genethon各自宣布了进入DMD大规模试验的计划。Regenxbio的RGX-202使用传统的AAV8载体,但包括抗肌萎缩蛋白基因的C端,以防止收缩引起的肌肉损失。肌肉表达比在Elevidys试验中看到的更好,在5名接受RGX-202治疗的患者中,与自然病史对照组相比,基因治疗在9个月时导致运动能力稳定或改善。Genethon基于aav8的基因疗法GNT0004允许功能性肌营养不良蛋白表达,同时使用比其他DMD基因治疗试验中使用的AAV剂量更低。在三名接受治疗的患者中,与自然史对照组相比,GNT0004在12个月时稳定了运动活动。
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来源期刊
Nature biotechnology
Nature biotechnology 工程技术-生物工程与应用微生物
CiteScore
63.00
自引率
1.70%
发文量
382
审稿时长
3 months
期刊介绍: Nature Biotechnology is a monthly journal that focuses on the science and business of biotechnology. It covers a wide range of topics including technology/methodology advancements in the biological, biomedical, agricultural, and environmental sciences. The journal also explores the commercial, political, ethical, legal, and societal aspects of this research. The journal serves researchers by providing peer-reviewed research papers in the field of biotechnology. It also serves the business community by delivering news about research developments. This approach ensures that both the scientific and business communities are well-informed and able to stay up-to-date on the latest advancements and opportunities in the field. Some key areas of interest in which the journal actively seeks research papers include molecular engineering of nucleic acids and proteins, molecular therapy, large-scale biology, computational biology, regenerative medicine, imaging technology, analytical biotechnology, applied immunology, food and agricultural biotechnology, and environmental biotechnology. In summary, Nature Biotechnology is a comprehensive journal that covers both the scientific and business aspects of biotechnology. It strives to provide researchers with valuable research papers and news while also delivering important scientific advancements to the business community.
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