First genetics course at Jun Lab (March 5, 2024)
Topic 1: VCF Handling and Pre-GWAS QCInstructor: Donghe Li
- Basic handling of VCF files
- Generate toy data from WES real data:
- VCF data format
- How to prepare the data for GWAS analysis
- Pre-GWAS QC
- Basic Phenotype QC for analysis
- Genotype QC steps for GWAS
Topic 2: Population Stratification and Principal Components in GWASInstructor: Congcong Zhu
- Introduction to Population Stratification
- Principal Component Analysis
- Introduction to PCA
- Data Pruning
- PC calculation
Topic 3: GWAS and post-GWAS AnalysisInstructor: Ryan Dacey
- Running GWAS
- GENESIS script
- Input example
- Output example
- Post GWAS Analysis
- QQ Plot
- Manhattan Plot
- Annotation script
- QQ Plot and Manhattan Plot scripts
- Regional plots
Topic 4: Meta-analysisInstructor: Samantha Clayton
- Introduction to meta-analysis
- Fixed effects model
- Heterogeneity
- Random effects model
- Forest plot
- Tools and scripts
- METAL (Intro + Code)
- METASOFT (Intro)
Topic 5: Polygenic Risk ScoresInstructor: Dhawal Priyadarshi
- Introduction to PRS
- What is PRS?
- PRS datasets
- Base data and target data
- Quality checks
- PRS calculation
- Step 1- Clumping+Thresholding
- Code run snippet and outputs
- Step 2 - DOS1 dosage file creation
- Code run snippet and outputs
- Step 3 – PRS calculation formula
- Code run snippet and outputs