相关实验视频
Updated: Jul 22, 2026
07:07
Lung microRNA Profiling Across the Estrous Cycle in Ozone-exposed Mice
Published on: January 7, 2019
6.1K
确定2022年Mopox病毒感染的潜在生物标志物:转录组网络分析和机器学习方法
Joy Prokash Debnath1, Kabir Hossen1, Sabrina Bintay Sayed1
1Department of Biochemistry and Molecular Biology, Shahjalal University of Science and Technology, Sylhet, 3114, Bangladesh.
Scientific reports
|January 23, 2025
概括
2022年猿病毒 (MPXV) 克莱德IIb变异在皮肤细胞中显示出独特的基因表达变化. 六个关键基因被确定为检测MPXV感染的潜在生物标志物.
科学领域:
- 病毒学和生物信息学
- 基因组学和分子生物学
背景情况:
- 2022年在非流行地区重新出现的麻疹病毒 (MPXV) 克莱德IIb变种在非流行地区再次出现,这给全球健康带来了重大挑战.
- 2022年MPXV变种的独特基因组突变和流行病学行为表明改变了宿主病毒相互作用.
- 了解对MPXV感染的分子反应对于开发有效的对策至关重要.
研究的目的:
- 为了识别由2022年MPXV Clade IIb变种感染引起的差异表达基因 (DEGs).
- 确定关键的DEG并评估它们作为诊断生物标志物的潜力.
- 探索MPXV感染的候选治疗点.
主要方法:
- 来自MPXV感染细胞类型的微阵列和RNA-Seq数据集的全面生物信息学分析.
- 基因表达网络分析以确定枢纽DEG.
- 机器学习算法 (随机森林,t-SNE,PCA,ROC) 用于生物标志物选和验证.
主要成果:
- 798个DEG仅在感染了2022年MPXV变异的角质细胞中被发现.
- 确定了参与细胞循环调节,免疫反应和癌症途径的13个关键DEG.
- 六个基因 (TXNRD1,CCNB1,BUB1,CDC20,BUB1B,CCNA2) 被验证为克莱德IIb感染的有希望的生物标志物 (AUC>0.7).
结论:
- 该研究确定了与2022年MPXV Clade IIb变种相关的特定DEG和潜在生物标志物.
- 这些发现提供了对宿主病毒相互作用和MPXV.受影响的途径的见解.
- 预计将进行进一步的研究和临床试验,以开发MPXV.新型检测和治疗策略.
相关概念视频
01:05Single Nucleotide Polymorphisms-SNPs
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,...
01:29Viruses with RNA Genomes
RNA viruses are categorized into positive-strand, negative-strand, or double-stranded groups based on their genomic structure and replication mechanisms. This classification dictates how they exploit host cellular machinery for protein synthesis and replication. Some RNA viruses also utilize reverse transcription as part of their life cycle, further diversifying their replication strategies.Positive-Strand RNA VirusesPositive-strand RNA viruses have genomes that function directly as messenger...
01:23Investigation of Disease Outbreaks
Multistate foodborne outbreaks pose significant public health risks and require meticulous investigation to identify sources and implement control measures. The Centers for Disease Control and Prevention (CDC) utilizes a dynamic seven-step process for these investigations, integrating data from laboratories, interviews, and environmental assessments to protect public health.Outbreak Detection: The detection of multistate outbreaks typically begins with PulseNet, the CDC's national laboratory...
01:25Rapid Identification of Pathogens
MALDI-TOF MS has transformed clinical microbiology by offering a rapid and reliable method for pathogen identification. The traditional approach to microbial identification typically involves time-consuming culture techniques and biochemical tests, which can delay the initiation of appropriate antimicrobial therapy. MALDI-TOF MS avoids these delays by using characteristic ribosomal protein mass patterns of microbial cells, enabling accurate species-level identification within minutes.Principle...