FAB-OAOB

Fibroblast Atlas Browser in Osteoarthritis–Obesity

🧬 Fibroblast Markers

Identification: COL1A1, PDGFRA
Subtypes: CLIC5 (lining), THY1 (sub-lining), CD34 (protective), CYBB (inflammatory)

πŸ”¬ Key Findings

CD34+ Loss: 54.49% reduced in obese OA
Pathways: Hypoxia (HIF1Ξ±), Adipogenesis (PPARG), ECM degradation (MMP3/13)

πŸ“Š Quick Guide

Basic: Select gene β†’ Update Visualization
GSEA: Choose subtype β†’ Load DEGs/Pathways
Compare: Obese vs Non-obese, OA vs Healthy

πŸ“‹ Analysis Modules

πŸ“Š Basic Analysis
🧬 GSEA
πŸ”„ Cell Trajectory
πŸ”— Cell Interaction

πŸŽ›οΈ Analysis Controls

Quick genes to try: CD34, VIM, COL1A1, COL3A1, FN1, ACTA2, PDGFRA, THY1, DCN, LUM, POSTN

πŸ“Š UMAP Visualization

πŸ”„ Loading UMAP visualization...

Cell clusters and subtypes

πŸ“Š Gene Expression

πŸ”„ Loading gene expression...

Expression levels on UMAP

🎯 Marker Expression

πŸ”„ Loading marker expression...

Expression levels across cell populations

🧬 Differentially Expressed Genes (DEGs)

πŸ“Š Select parameters and click "Load DEGs"

View top differentially expressed genes

πŸ›€οΈ Pathway Enrichment Table

πŸ“Š Pathway enrichment results will appear here

Load pathway data to view detailed results

πŸ“ˆ Pathway Analysis

πŸ”„ Loading pathway analysis...

Select parameters and click "Load Pathways"

πŸŽ›οΈ Trajectory Controls

πŸ”„ Trajectory Plot

πŸ“Š Select parameters and click "Load Trajectory"

Interactive trajectory visualization

πŸ“Š Density Distribution

πŸ“ˆ Pseudotime density distribution

Cell type distributions across pseudotime

πŸ“ˆ State Proportions

πŸ“Š Cell type proportions across states

How cell types change along trajectory

⏰ Pseudotime Gene Expression

πŸ“Š Pseudotime gene expression analysis

Gene expression changes over pseudotime

πŸŽ›οΈ Interaction Controls

πŸ“Š Interaction Table

πŸ“Š Interaction data table will appear here

Load interaction data to view detailed results

πŸ”— Cell-Cell Interaction Analysis

πŸ“Š Select analysis type and click "Load Interaction"

Interactive cell communication analysis