75个影响人类红细胞的基因位点
Pim van der Harst1, Weihua Zhang, Irene Mateo Leach
1Department of Cardiology, University of Groningen, University Medical Center Groningen, 9700 RB Groningen, The Netherlands. p.van.der.harst@umcg.nl
Nature
|December 11, 2012
概括
这项研究确定了75个影响红细胞特征的基因位置,在超过135,000人中. 这些发现增强了我们对红细胞形成和功能遗传基础的理解.
科学领域:
- 遗传学 是一个遗传学.
- 血液学 血液学 血液学
- 基因组学就是基因组学.
背景情况:
- 贫血是一个主要的全球健康问题,影响认知,生长和身体能力.
- 了解影响红细胞 (RBC) 的遗传因素对于解决贫血至关重要.
- 之前的研究为探索对红细胞参数的遗传影响奠定了基础.
研究的目的:
- 识别与血红蛋白度和相关的红细胞表型相关的遗传位置.
- 阐明基因架构的基础红细胞的形成和功能.
- 发现参与红细胞生物学的新基因和途径.
主要方法:
- 全基因组关联研究 (GWAS) 涉及多达135,367名个人.
- 分析血红蛋白度和其他红细胞相关参数.
- 生物信息化策略,包括表达量化特征位点 (eQTL) 分析,以及开放色素和编码变异分析.
主要成果:
- 确定了与红细胞表型相关的75个独立的遗传位置 (P < 10^-8).
- 这些位置解释了每个特征的4-9%的表型变异.
- 确定了121个候选基因,其中43个在模型生物体中显示出血液构成表型.
- 在41个位置确定了潜在的因果遗传变异.
结论:
- 这项研究为控制红细胞形成和功能的遗传机制提供了广泛的新见解.
- 鉴定出基因位置和候选基因为进一步研究贫血和相关疾病提供了目标.
- 这些发现有助于更深入地了解血液形成的遗传基础.
更多相关视频
07:35Selecting Multiple Biomarker Subsets with Similarly Effective Binary Classification Performances
Published on: October 11, 2018
07:26High-resolution Melting PCR for Complement Receptor 1 Length Polymorphism Genotyping: An Innovative Tool for Alzheimer's Disease Gene Susceptibility Assessment
Published on: July 18, 2017
相关概念视频
02:20Blood Types
Human blood is classified into different types based on the presence of antigens on the red blood cell's surface and antibodies in the plasma. Proper identification of blood type is essential for successful blood transfusion. The International Society of Blood Transfusion has identified 38 human blood types based on the surface antigens on the red blood cells. The most common types are ABO, Rh, and MNS blood types.
ABO blood group
ABO antigens are glycoproteins encoded by genes present on...
ABO blood group
ABO antigens are glycoproteins encoded by genes present on...
01:18Polygenic Traits
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...
01:18Polygenic Traits
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...
01:20Genetic Material
Within the human body, a complex and detailed system of trillions of cells works in unison to sustain life. Each cell houses a nucleus, which contains 46 chromosomes divided into 23 pairs. Chromosomes are highly coiled structures made of the genetic material DNA. These chromosomes are essential carriers of genetic information, with half inherited from the mother through her egg and the other half from the father's sperm, combining to create the unique genetic makeup of an individual.
01:49Multiple Allele Traits
The Concept of Multiple Allelism
01:28Human Genetics
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...
The complex relationship between genetics and psychology is observable through common biological components such...