| {"GSE74567": {"is_usable": false, "is_gene_available": true, "is_trait_available": false, "is_available": false, "is_biased": null, "has_age": null, "has_gender": null, "sample_size": null, "note": "Dataset contains cell line data (U251/U373), not suitable for human trait studies."}, "GSE35158": {"is_usable": false, "is_gene_available": true, "is_trait_available": true, "is_available": true, "is_biased": true, "has_age": false, "has_gender": false, "sample_size": 80, "note": "All subjects are male according to series summary. Age information not available."}, "GSE24072": {"is_usable": true, "is_gene_available": true, "is_trait_available": true, "is_available": true, "is_biased": false, "has_age": true, "has_gender": true, "sample_size": 32, "note": "Dataset contains gene expression data for gliomas. Trait is based on glioma grade (III vs IV/V)."}, "GSE107850": {"is_usable": true, "is_gene_available": true, "is_trait_available": true, "is_available": true, "is_biased": false, "has_age": true, "has_gender": true, "sample_size": 195, "note": "Dataset contains gene expression data for gliomas. Trait is based on glioma grade (III vs IV/V)."}, "TCGA": {"is_usable": false, "is_gene_available": true, "is_trait_available": true, "is_available": true, "is_biased": true, "has_age": true, "has_gender": true, "sample_size": 530, "note": "Data obtained from TCGA Lower Grade Glioma cohort (LGG). Trait is determined by sample type (tumor vs normal)."}} |