PACS-1变种蛋白质在C.中异常局部化. 在elegans的PACS1/PACS2综合征模型中
Dana T Byrd1, Ziyuan Christina Han1, Christopher A Piggott1
1Department of Neurobiology, School of Biological Sciences, University of California San Diego, CA 92093.
bioRxiv : the preprint server for biology
|May 7, 2024
概括
酸酸分类蛋白 (PACS) 和WDR37蛋白对于细胞功能至关重要. 人类变种会导致神经发育障碍,但它们在体内的影响是未知的. 这项研究揭示了C. elegans的保存功能,为这些综合征提供了洞察力.
科学领域:
- 细胞生物学 细胞生物学
- 神经科学是一个神经科学.
- 遗传学 是一个遗传学.
背景情况:
- 酸聚类分类蛋白 (PACS) 蛋白与WD40重复含有蛋白WDR37.7相互作用.
- PACS1,PACS2和WDR37的变异与多系统和神经发育障碍有关,包括智力障碍和自闭症谱系障碍.
- 这些综合征变异的体内功能后果在很大程度上仍然未知.
研究的目的:
- 为了研究C. elegans的表达模式和相互作用,PACS和WDR37.7.的ortologs进行了研究.
- 为了确定综合征变异对PACS和WDR37功能的体内影响.
- 为了解PACS/WDR37相关疾病建立一个模型系统.
主要方法:
- 在C. elegans.中对cePACS-1和ceWDR-37进行同局部化研究.
- 对 cePACS-1 和 ceWDR-37.7 之间的蛋白质表达依赖性的分析.
- 在C. elegans神经元中使用人类PACS1进行功能补充测试.
主要成果:
- cePACS-1和ceWDR-37在体质细胞质中同定位,并且相互要求表达,这表明保持了分子间依赖.
- 用人类PACS1/PACS2变体编辑cePACS-1,改变了包括神经元在内的各种细胞类型中的蛋白质定位.
- 人类PACS1表达功能上补充了神经元中的C. elegans cePACS-1,显示了PACS-WDR37轴的保留功能.
结论:
- PACS-WDR37功能轴在进化过程中一直保留,从无脊椎动物到人类.
- 与神经发育障碍相关的人类变异影响蛋白质局部化和活体中的功能.
- 在研究PACS/WDR37综合征和确定潜在的治疗点方面,C. elegans作为一种有价值的模型.
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