哈普隆缺乏症和阿尔茨海默病:可能的致病性和保护性遗传因素
Eva Bagyinszky1, Seong Soo A An2
1Department of Industrial and Environmental Engineering, Graduate School of Environment, Gachon University, Seongnam 13120, Republic of Korea.
一个基因副本不足的哈普洛因不足在阿尔茨海默病 (AD) 遗传风险中起着重要作用. 探索这个机制为AD和其他神经退行性疾病提供了新的治疗途径.
科学领域:
- 神经遗传学 神经遗传学
- 分子生物学分子生物学
- 基因组学就是基因组学.
背景情况:
- 阿尔茨海默病 (AD) 是一种复杂的神经退行性疾病,涉及的遗传因素超出了已确定的基因,如APP,PSEN1,PSEN2和APOE.
- 诸如SORL1,ABCA7,TREM2,PICALM和CLU之类的基因通过功能增益和丧失机制参与AD病变发生.
- 单个功能性基因副本不足的状况 - - 哈普洛缺陷症 - - 在各种疾病中越来越多地被发现,包括神经发育和癌症疾病.
研究的目的:
- 探索在阿尔茨海默氏病 (AD) 发病过程中基因哈普洛缺陷的未被认可的作用.
- 为了调查特定基因的脱节缺陷是如何在AD中加剧或赋予神经保护的.
- 突出进一步研究哈普洛缺陷机制的必要性,以开发新的AD治疗策略.
主要方法:
- 对阿尔茨海默氏症遗传因素的现有文献进行审查和综合,重点是哈普洛缺陷.
- 动物研究分析,检查淘汰基因 (例如VPS35,SIRT3,PICALM,APOE,BACE1,TMEM59) 对神经退行过程的影响.
- 讨论在AD中建模和理解基因淘汰机制的挑战和未来方向.
主要成果:
- 像ABCA7和SORL1这样的AD风险基因的哈普洛因不足可能在AD中发挥着重要的,但尚未被充分探索的作用.
- 矛盾的是,PSEN1/PSEN2的异构结合性淘汰会损害突触可塑性,而APOE,BACE1和TMEM59的哈普隆缺陷可能会提供神经保护.
- 动物模型表明,像VPS35,SIRT3和PICALM这样的基因的哈普洛缺陷可以恶化神经退行,粉样蛋白的产生和炎症.
结论:
- 哈普洛因不足是AD遗传风险的一个关键机制,通过各种基因影响疾病途径.
- 鉴于其对其他神经退行性疾病的影响,对阿尔茨海默氏症中哈普洛缺陷的进一步探索至关重要.
- 先进的建模系统,多omics数据集成,以及解决诸如基因环境相互作用等挑战,对于发现AD途径和开发疗法至关重要.
更多相关视频
09:38Generalized Psychophysiological Interaction PPI Analysis of Memory Related Connectivity in Individuals at Genetic Risk for Alzheimer's Disease
Published on: November 14, 2017
09:33Quantitative 3D In Silico Modeling q3DISM of Cerebral Amyloid-beta Phagocytosis in Rodent Models of Alzheimer's Disease
Published on: December 26, 2016
相关概念视频
Human Genetics
The complex relationship between genetics and psychology is observable through common biological components such...
Alzheimer's Disease: Overview
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
Genetic Lingo
Genome-wide Association Studies-GWAS
GWAS does not require the identification of the target gene involved in...
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...
Amyloid Fibrils
Amyloid deposits were observed as early as 1639 in the liver and the spleen. In 1854, Rudolph Virchow performed iodine staining,...
