全基因组测序分析揭示了与渐进的超核性麻相关的新敏感位点和结构变异
Hui Wang1,2, Timothy S Chang3, Beth A Dombroski1,2
1Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.
Molecular neurodegeneration
|August 16, 2024
概括
全基因组测序发现了与渐进性超核性麻 (PSP) 相关的新型遗传变异. 这项研究揭示了了解PSP机制和开发治疗方法的新目标.
科学领域:
- 神经遗传学 神经遗传学
- 基因组学就是基因组学.
- 神经退行性疾病 神经退行性疾病
背景情况:
- 渐进性超核性 (PSP) 是一种与聚合的蛋白相关的病.
- 之前的遗传研究在检测罕见变异和结构变异方面受到限制.
研究的目的:
- 使用全基因组测序识别与PSP相关的遗传变异,包括罕见和结构变异.
- 提高对PSP遗传基础的理解,并确定潜在的治疗点.
主要方法:
- 全基因组测序 (WGS) 在1,718例PSP病例和2,944例欧洲血统对照中进行.
- 对单核酸变异 (SNV),插入/删除 (indels) 和结构变异 (SV) 进行了关联分析.
主要成果:
- 确认了已知的PSP遗传位点,并确定了包括APOE,FCHO1/MAP1S和KIF13A在内的基因中的新信号.
- APOE ε2等位基因被确定为PSP的风险因素,与阿尔茨海默病不同.
- 发现了与ZNF592罕见变异的显著关联,并在17q21.31和IGH等区域确定了七种常见的SV.
结论:
- 世界遗传学组织 (WGS) 显著推进了对PSP的基因理解.
- 确定了用于探索PSP疾病机制的新型遗传标.
- 为PSP开发治疗干预提供了新的途径.
更多相关视频
11:35Screening for Functional Non-coding Genetic Variants Using Electrophoretic Mobility Shift Assay EMSA and DNA-affinity Precipitation Assay DAPA
Published on: August 21, 2016
12.9K
04:41Mapping Alzheimer's Disease Variants to Their Target Genes Using Computational Analysis of Chromatin Configuration
Published on: January 9, 2020
18.9K
相关概念视频
Genome-wide Association Studies-GWAS
13.2K
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...
13.2K
Single Nucleotide Polymorphisms-SNPs
14.9K
A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
14.9K
Comparing Copy Number Variations and SNPs
17.7K
Sequencing of the human genome has opened up several best-kept secrets of the genome. Scientists have identified thousands of genome variations that exist within a population. These variations can be a single nucleotide or a larger chromosomal variation.
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
17.7K
Next-generation Sequencing
88.5K
The first human genome sequencing project cost $2.7 billion and was declared complete in 2003, after 15 years of international cooperation and collaboration between several research teams and funding agencies. Today, with the advent of next-generation sequencing technologies, the cost and time of sequencing a human genome have dropped over 100 fold.
Next-Generation Sequencing Methods
Although all next-generation methods use different technologies, they all share a set of standard features....
Next-Generation Sequencing Methods
Although all next-generation methods use different technologies, they all share a set of standard features....
88.5K
