天生的免疫基因中的遗传多态性影响了对传播脑炎的倾向
Andrea Fortova1,2, Andrey V Barkhash3, Martina Pychova4
1Department of Infectious Diseases and Preventive Medicine, Veterinary Research Institute, CZ-62100, Brno, Czechia.
Journal of neurovirology
|October 29, 2023
概括
天生的免疫基因的遗传变异,特别是IFIT1和DDX58,与捷克共和国传播脑炎 (TBE) 的易感性增加有关. 这些发现确定了TBE发展的新风险因素.
科学领域:
- 免疫学 免疫学 免疫学
- 遗传学 是一个遗传学.
- 神经科学是一个神经科学.
背景情况:
- 感染性脑炎 (TBE) 是一种严重的神经病毒性疾病,由感染性脑炎病毒 (TBEV) 引起.
- 宿主遗传因素显著影响TBEV疾病的易感性和严重程度.
- 天生的免疫基因在宿主对病毒感染的反应中起着至关重要的作用.
研究的目的:
- 研究天生的免疫基因中的特定单核酸多态 (SNPs) 与TBE倾向之间的关联.
- 在捷克共和国高度流行的人群中确定TBE的遗传风险因素.
主要方法:
- 在IFIT1,IFIT2和DDX58 (编码RIG-I) 基因中对选定的SNP进行基因型分析.
- 247名TBE患者和204名对照人群之间的基因型和等位基因频率的比较.
- 分析的重点是对TBE的倾向和疾病严重程度.
主要成果:
- 在IFIT1 SNP rs304478和DDX58 SNP rs3739674和rs17217280之间发现了与TBE倾向的关联.
- 这些SNP代表了捷克人口中临床TBE发展的新风险因素.
- 没有观察到与TBE疾病严重程度的相关性.
结论:
- IFIT1和DDX58基因中的特定SNP有助于TBE倾向.
- 天生的免疫基因变异在TBE病原发生过程中很重要.
- 对宿主遗传学的进一步研究可以阐明TBEV疾病机制.
相关概念视频
Single Nucleotide Polymorphisms-SNPs
15.2K
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,...
15.2K
Exon Recombination
3.6K
The evolution of new genes is critical for speciation. Exon recombination, also known as exon shuffling or domain shuffling, is an important means of new gene formation. It is observed across vertebrates, invertebrates, and in some plants such as potatoes and sunflowers. During exon recombination, exons from the same or different genes recombine and produce new exon-intron combinations, which might evolve into new genes.
Exon shuffling follows “splice frame rules.” Each exon...
Exon shuffling follows “splice frame rules.” Each exon...
3.6K
Background and Environment Affect Phenotype
6.5K
Although the genetic makeup of an organism plays a major role in determining the phenotype, there are also several environmental factors, such as temperature, oxygen availability, presence of mutagens, that can alter an organism’s phenotype.
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
6.5K
Human Genetics
588
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...
588
Incomplete Dominance
22.6K
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.
22.6K
Gene-Environment Interactions
332
Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...
332


