Related Experiment Video
Updated: Jun 19, 2026
04:22
Biomarker Identification for Gender Specificity of Alzheimer's Disease Based on the Glial Transcriptome Profiles
Published on: May 20, 2024
A genome wide association analysis in the GENDER study.
M L Sampietro1, D Pons, P de Knijff
1Departments of Human Genetics and Cardiology, Leiden University Medical Center, Leiden, Durrer Center for Cardiogenetic Research, Amsterdam and the Interuniversity Cardiology Institute (ICIN), Utrecht, the Netherlands.
Summary
This study investigates genetic factors influencing restenosis after percutaneous coronary intervention (PCI). Genome-Wide Association Scan (GWAS) in the GENDER project aims to identify genetic variants for personalized therapies and new treatments for coronary artery disease restenosis.
Area of Science:
- Cardiology
- Genetics
- Medical Research
Background:
- Percutaneous coronary intervention (PCI) is a common treatment for coronary artery diseases.
- Restenosis, the re-narrowing of arteries after PCI, affects 8-40% of patients.
- Identifying genetic factors for restenosis is crucial for improving patient outcomes.
Purpose of the Study:
- To investigate the association between genetic polymorphisms and clinical restenosis after PCI.
- To identify genetic variants that predict restenosis risk.
- To provide a rationale for developing novel antirestenotic therapies.
Main Methods:
- Utilizing data from the GENetic Determinants of Restenosis (GENDER) project.
- Performing a Genome-Wide Association Scan (GWAS) on GENDER population samples.
- Analyzing preliminary GWAS results.
Main Results:
- Preliminary results from the ongoing GWAS are presented.
- The study aims to identify specific genetic variants associated with restenosis.
- Further analysis is required to confirm initial findings.
Conclusions:
- Genome-Wide Association Scan (GWAS) is a key component of the GENDER project.
- Identifying genetic determinants of restenosis can lead to tailored therapies.
- This research may pave the way for new strategies to prevent or treat restenosis after PCI.
Related Concept Videos
01:11Genome-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...
02:45The Ratio of X Chromosome to Autosomes
In most organisms, sex is determined by the ratio of X and Y chromosomes. However, in some organisms, such as Drosophila and C.elegans, sex is determined by the ratio of the number of X chromosomes to the number of sets of autosomes. The Y chromosome in Drosophila is active but does not determine sex. It contains genes responsible for the production of sperms in adult flies.
Normal male Drosophila has a ratio of one X chromosome to two sets of autosomes. In contrast, normal female Drosophila...
Normal male Drosophila has a ratio of one X chromosome to two sets of autosomes. In contrast, normal female Drosophila...
02:19The Y Chromosome Determines Maleness
The Y chromosome is a sex chromosome found in several vertebrates and mammals, including humans. In addition to 22 pairs of autosomes, the human males have one X chromosome and one Y chromosome. In these organisms, the presence or absence of the Y chromosome determines the development of male traits.
Evolution
Around 300 million years ago, the two sex chromosomes diverged from two identical autosomal chromosomes. Over time, the Y chromosome has lost most of its genes, shrinking in size. Today,...
Evolution
Around 300 million years ago, the two sex chromosomes diverged from two identical autosomal chromosomes. Over time, the Y chromosome has lost most of its genes, shrinking in size. Today,...
01:17Two-Way ANOVA
The two-way ANOVA is an extension of the one-way ANOVA. It is a statistical test performed on three or more samples categorized by two factors - a row factor and a column factor. Ronald Fischer mentioned it in 1925 in his book 'Statistical Methods for Researchers.'
The two-way ANOVA analysis initially begins by stating the null hypothesis that there is an interaction effect between the two factors of a dataset. This effect can be visualized using line segments formed by joining the means for...
The two-way ANOVA analysis initially begins by stating the null hypothesis that there is an interaction effect between the two factors of a dataset. This effect can be visualized using line segments formed by joining the means for...
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...
02:46Genetic Screens
Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which result in visible changes...
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which result in visible changes...