在鹿类 PrP Drosophila 中对 CWD 子传播的基因调节
Alana M Thackray1, Erin E McNulty2, Amy V Nalls2
1Department of Veterinary Medicine, University of Cambridge, Madingley Road, Cambridge CB3 0ES, U.K.
The Biochemical journal
|September 25, 2023
概括
慢性衰竭疾病 (CWD) 是一种致命的类动物的病. 转基因Drosophila表达鹿类PrP可以模拟CWD,显示这个无脊椎动物宿主中保留了子敏感性特征.
科学领域:
- 神经科学是一个神经科学.
- 兽医医学 兽医医学 兽医医学
- 遗传学 遗传学 是一个
背景情况:
- 慢性衰竭疾病 (CWD) 是一种致命的病,影响鹿类动物,导致环境污染和传播.
- 蛋白 (PrP) 变体影响宿主对CWD的易感性,为繁殖耐药动物提供了潜在的潜力.
- 开发快速,具有成本效益的模型对于特征CWD抗性PrP变体至关重要.
研究的目的:
- 为研究慢性衰竭疾病 (CWD) 建立一种新的无脊椎动物模型系统.
- 为了表征与CWD易感性和耐药性相关的羊类蛋白 (PrP) 变体.
- 评估转基因Drosophila在模拟病传播和宿主-病原体相互作用中的实用性.
主要方法:
- 对于野生类型 (S138) 和耐药 (N138) 鹿类 PrP 变种转基因的 Drosophila melanogaster 线的生成.
- 转基因暴露于来自北美和欧洲的CWD离子.
- 评估子传染性积累和现型变化 (机动能力,生存) 在.
主要成果:
- 转基因Drosophila在暴露于鹿类子后成功积累了真实的子感染力.
- 无论是S138还是N138的PrP飞行线都表现出对CWD子的敏感性,观察到不同的动力学.
- 与S138相比,N138 PrP变体在暴露于欧洲鹿子时显示出较慢的子播种活动积累动力学,而S138.
结论:
- 鹿类PrP变体在Drosophila表达时保持其子敏感性特征.
- 转基因Drosophila作为一种可行的新型无脊椎动物模型,用于研究慢性衰竭疾病 (CWD).
- 这种模型系统可以帮助鉴定和选择用于繁殖计划的CWD修饰PrP变体.
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