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相关概念视频

Genome-wide Association Studies-GWAS01:11

Genome-wide Association Studies-GWAS

13.1K
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...
13.1K
Heritability01:06

Heritability

193
Heritability is a statistical concept that measures the degree to which genetic differences among individuals contribute to trait variations within a population. It is a fundamental idea in genetics, often prone to misinterpretation. Heritability is expressed as a percentage, reflecting the proportion of variation in a specific trait across a population that can be linked to genetic differences. However, it's important to understand that heritability does not determine how "genetic"...
193
Polygenic Traits01:18

Polygenic Traits

65.5K
When more than one gene is responsible for a given phenotype, the trait is considered polygenic. Human height is a polygenic trait. Studies have uncovered hundreds of loci that influence height, and there are believed to be many more. Due to the high number of genes involved, as well as environmental and nutritional factors, height varies significantly within a given population. The distribution of height forms a bell-shaped curve, with relatively few individuals in the population at the...
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Behavioral Genetics and Its Designs01:23

Behavioral Genetics and Its Designs

331
Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
331
Human Genetics01:28

Human Genetics

539
Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
539
Incomplete Dominance01:43

Incomplete Dominance

21.8K
Gregor Mendel's work (1822 - 1884) was primarily focused on pea plants. Through his initial experiments, he determined that every gene in a diploid cell has two variants called alleles inherited from each parent. He suggested that amongst these two alleles, one allele is dominant in character and the other recessive. The combination of alleles determines the phenotype of a gene in an organism.
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相关实验视频

Updated: Jun 11, 2025

Large-Scale Multi-Omics Genome-Wide Association Studies Mo-GWAS: Guidelines for Sample Preparation and Normalization
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GWAShug:基于总结统计数据的综合平台,解码复杂特征之间的共享遗传基础.

Chen Cao1, Min Tian1, Zhenghui Li1

  • 1Key Laboratory for Bio-Electromagnetic Environment and Advanced Medical Theranostics, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, Jiangsu 211166, China.

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概括

GWAShug提供了一个全面的资源,用于利用可访问的总结统计数据探索复杂特征的共享遗传基础. 这个平台通过标准化方法和研究人员的交互工具简化了基因分析.

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A Pathway Association Study Tool for GWAS Analyses of Metabolic Pathway Information
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Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
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Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry

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相关实验视频

Last Updated: Jun 11, 2025

Large-Scale Multi-Omics Genome-Wide Association Studies Mo-GWAS: Guidelines for Sample Preparation and Normalization
08:27

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Published on: July 27, 2021

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A Pathway Association Study Tool for GWAS Analyses of Metabolic Pathway Information
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Candidate Gene Testing in Clinical Cohort Studies with Multiplexed Genotyping and Mass Spectrometry
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科学领域:

  • 遗传学 遗传学 是一个
  • 生物信息学是一种生物信息学.
  • 复杂的特征 复杂的特征

背景情况:

  • 了解复杂特征的共同遗传基础对于病因学,诊断和治疗至关重要.
  • 现有的资源缺乏全面的,可访问的总结统计数据来分析共享的遗传架构.
  • 由于参数选择和复杂的管道实施,分析共享的遗传基础是具有挑战性的.

研究的目的:

  • 推出GWAShug,这是一个新的平台,旨在解决分析共享遗传基础的局限性.
  • 为复杂特征的遗传分析提供标准化,最佳实践管道.
  • 创建一个高质量的GWAS总结统计的综合资源.

主要方法:

  • 开发了GWAShug,其标准化管道包括四种特征级和三种分子级方法.
  • 包括539个高质量的GWAS总结统计数据,用于欧洲和东亚人口,经过严格的质量控制.
  • 通过FTP链接促进交互式可视化,分析和数据下载.

主要成果:

  • GWAShug资源包含了广泛的特征对数据,包括54,945个基于测量与基于疾病的特征对和43,902个基于疾病与基于疾病的特征对.
  • 用户可以根据特征名称,MeSH术语和类别搜索共享的遗传基础信息.
  • 在线分析模块允许用户分析自己的总结统计数据,并提供全面的输出.

结论:

  • GWAShug提供了一个有价值的,用户友好的平台,用于探索复杂特征的共同遗传基础.
  • 资源和分析工具有助于动态数据探索和个性化遗传研究.
  • GWAShug是免费访问的,促进了对复杂疾病遗传结构的更广泛研究.