| Column | Type | Description | Samples | Entity |
|---|---|---|---|---|
| gene_symbol | string | HGNC gene symbol | TREM2, APOE, APP | gene |
| cell_type | string | Cell type from SEA-AD taxonomy | microglia, astrocyte, excitatory_neuron | cell_type |
| log_fold_change | float | Log2 fold change (AD vs control) | ||
| adj_p_value | float | BH-adjusted p-value | ||
| direction | string | up or down regulated |