全基因组关联分析确定APOE是莱维体疾病中的线粒细胞修饰剂
Xu Hou1, Michael G Heckman2, Fabienne C Fiesel1,3
1Department of Neuroscience, Mayo Clinic, Jacksonville, Florida, USA.
概括
遗传因素影响了勒维体病 (LBD) 中的酸化无素 (p-S65-Ub) 积累. APOE4变种增加了p-S65-Ub和神经病理,而ZMIZ1可能会提供保护.
科学领域:
- 神经科学是一个神经科学.
- 遗传学 是一个遗传学.
- 细胞生物学 细胞生物学
背景情况:
- 化无素 (p-S65-Ub) 标志着PINK1-PRKN线粒细胞灭菌过程中的线粒体损伤.
- 广泛的p-S65-Ub沉积发生在老年和患病的人类大脑中,但其遗传基础是未知的.
研究的目的:
- 为了确定p-S65-Ub积累在莱维体病 (LBD) 的遗传调节者.
主要方法:
- 全基因组关联研究 (GWAS) 在1012个LBD尸检样本中使用p-S65-Ub水平作为定量特征.
- 在小鼠和人类诱导多能干细胞 (iPSC) 模型中的功能验证.
主要成果:
- 在p-S65-Ub水平和rs429358 (apolipoprotein E ε4 [APOE4]) 之间发现了显著的GWAS关联.
- 携带APOE4的患者表现出更高的p-S65-Ub水平和增加的神经病理负担.
- 发现了rs6480922 (ZMIZ1) 的暗示性关联,与较低的p-S65-Ub水平和减少的神经病理学有关,这表明它具有保护作用.
结论:
- 遗传变异,特别是APOE4和ZMIZ1,在LBD中显著修改了线粒细胞衰变.
- 线粒体质量控制在LBD病变发生过程中至关重要,鉴定出了影响疾病风险和恢复能力的调节者.
关键词:
在GWAS中,GWAS就是GWAS.标签:PINK1PINK1PINK1PINK1这就是PRKNN.停车场可以停车.帕金森病的疾病.在 ZMIZ1 的位置上.自自是自的过程.线粒体中的线粒体.酸化的乌比奎丁是一种酸化的乌比奎丁.在任何地方都是无处不在的.更多相关视频
06:07Author Spotlight: Establishing a New Fluorescence-Based Protocol for In Vivo Mitochondrial Morphology Analysis in Parkinson's Disease
Published on: June 23, 2023
1.5K
09:29Time-Lapse Video Microscopy for Assessment of EYFP-Parkin Aggregation as a Marker for Cellular Mitophagy
Published on: May 4, 2016
7.1K
相关概念视频
01:11Genome-wide Association Studies-GWAS
12.0K
Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
GWAS does not require the identification of the target gene involved in...
12.0K
01:22Lysosomal Hydrolases
3.7K
Lysosomes are the site for the degradation of macromolecules and biological polymers released during membrane trafficking events such as secretory, endocytic, autophagic, and phagocytic pathways. The membrane-enclosed area of the lysosome, called the lumen, contains hydrolytic enzymes active in an acidic environment. These acid hydrolases are functional at a pH between 4.5 and 5 and are involved in cellular processes such as cell signaling, energy metabolism, restoration of the plasma membrane,...
3.7K