基于基因组的分子心血管医学资源:致力于心血管基因汇编
D M Hwang1, A A Dempsey, R X Wang
1Department of Laboratory Medicine, Centre for Cardiovascular Research, The Toronto Hospital, University of Toronto, Ontario, Canada.
Circulation
|January 7, 1998
概括
这项研究使用表达序列标签 (EST) 编目了心血管基因,揭示了新的基因表达模式和潜在的疾病标志物. 这项研究为分子心血管医学提供了基础资源.
科学领域:
- 基因组学就是基因组学.
- 分子生物学分子生物学
- 心血管科学 心血管科学
背景情况:
- 表达序列标签 (ESTs) 促进了新基因发现和转录概况.
- 开始对人类心脏cDNA库进行大规模测序,以特征心血管基因表达.
研究的目的:
- 在人类心血管系统中对基因身份和表达水平进行目录.
- 建立一个关于分子心血管医学的综合资源.
主要方法:
- 从人类心脏cDNA库生成了43,285个表达序列标签 (EST).
- 整合了41,619个公共EST,共计84,904个EST (超过2600万个核酸).
- 分类已知的基因根据功能匹配,并进行了北方分析.
主要成果:
- 55%的EST与已知的基因相匹配,33%与其他EST相匹配,12%是新鲜的 (CVbEST).
- 鉴定了特定于组织和发育阶段的基因表达模式.
- 检测到48个在心脏缩中可能过度表达的基因,其中包括10个先前已知的差异表达基因.
结论:
- 这是迄今为止最广泛的心血管基因表达数据汇编.
- 突出了基因组研究对心血管生物学的潜力.
- 建立了第一代基于基因组的分子心血管医学资源.
相关概念视频
Genomics
Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
Genome-wide Association Studies-GWAS
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...
Pharmacogenetics and Pharmacogenomics: Overview
Pharmacogenetics and pharmacogenomics examine how genetic factors influence an individual's response to drugs. While pharmacogenetics focuses on the impact of specific genetic variants on drug effects, pharmacogenomics takes a broader approach, studying how genetic variation across populations contributes to differences in drug responses. These fields aim to explain why individuals may experience varying levels of efficacy or adverse reactions to the same medication.Variability in drug...
Pharmacogenomics: Identification of New Drug Targets
Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...
Regulation of the Cardiovascular System
The regulation of the cardiovascular system allows the body to adapt to various demands and maintain homeostasis.
The regulation of the cardiovascular system involves the autonomic nervous system (ANS), baroreceptors, and chemoreceptors, ensuring that heart rate and blood pressure are appropriately modulated in response to varying physiological demands.
The ANS comprises two main divisions: the sympathetic and parasympathetic nervous systems. The sympathetic nervous system enhances...
The regulation of the cardiovascular system involves the autonomic nervous system (ANS), baroreceptors, and chemoreceptors, ensuring that heart rate and blood pressure are appropriately modulated in response to varying physiological demands.
The ANS comprises two main divisions: the sympathetic and parasympathetic nervous systems. The sympathetic nervous system enhances...
Blood Studies for Cardiovascular System I: Cardiac Biomarkers
Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...


