SHH 髓母细胞瘤的新型斑马鱼模型

IF 5.9 3区 农林科学 Q1 VETERINARY SCIENCES Lab Animal Pub Date : 2024-08-30 DOI:10.1038/s41684-024-01428-w
Alexandra Le Bras
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引用次数: 0

摘要

髓母细胞瘤(MB)是一种由声波刺猬(SHH)激活的中枢神经系统恶性肿瘤。尽管已开发出许多 SHH MB 小鼠模型,以更好地了解驱动 SHH MB 进展的机制并确定治疗方法,但对患者而言,治疗方案仍不理想。一项新研究报告了利用 CRISPR 技术创建突变 ptch1(SHH MB 最常见的基因改变)的 SHH MB 斑马鱼模型。对瞬时ptch1-脆性斑马鱼的分析表明,这些动物迅速长出了与人类SHH MB基因相似的脑瘤。此外,与人类患者相似,tp53的缺失导致ptch1-脆性斑马鱼患上侵袭性更强的肿瘤。这种新的斑马鱼模型非常适合在高通量筛选中发现靶点。作为概念验证,研究人员表明,SHH 通路的下游效应因子 grk3 失活可提高 ptch1-crispants 的存活率,使激酶成为 SHH MB 的潜在治疗靶点:Casey, M.J. et al. Cell Rep. 43, 114559 (2024)
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A new zebrafish model of SHH medulloblastoma
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来源期刊
Lab Animal
Lab Animal 农林科学-兽医学
CiteScore
0.60
自引率
2.90%
发文量
181
审稿时长
>36 weeks
期刊介绍: LabAnimal is a Nature Research journal dedicated to in vivo science and technology that improves our basic understanding and use of model organisms of human health and disease. In addition to basic research, methods and technologies, LabAnimal also covers important news, business and regulatory matters that impact the development and application of model organisms for preclinical research. LabAnimal's focus is on innovative in vivo methods, research and technology covering a wide range of model organisms. Our broad scope ensures that the work we publish reaches the widest possible audience. LabAnimal provides a rigorous and fair peer review of manuscripts, high standards for copyediting and production, and efficient publication.
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