| { |
| "approved_by_author": "\u231b", |
| "citation": "Lu, A. T., et al. \"Universal DNA methylation age across mammalian tissues.\" Nature Aging 3.9 (2023): 1144-1166.", |
| "citations": 415, |
| "citations_date": "2026-10-02", |
| "clock_name": "mammalianskin2", |
| "data_type": "DNA methylation", |
| "doi": "https://doi.org/10.1038/s43587-023-00462-6", |
| "journal": "Nature Aging", |
| "last_author": "Steve Horvath", |
| "model_type": "elastic net regression", |
| "n_features": 2240, |
| "notes": "Skin-specific universal clock 2 fits relative age and returns species-adjusted chronological age in years after the maximum-lifespan inverse transformation.", |
| "platform": [ |
| "Horvath MammalMethylChip40" |
| ], |
| "population": "multiple mammalian species", |
| "postprocess": "mammalian2", |
| "predicts": [ |
| "chronological age" |
| ], |
| "reference_values": true, |
| "research_only": null, |
| "species": "multiple species", |
| "tissue": [ |
| "skin" |
| ], |
| "training_target": [ |
| "relative age" |
| ], |
| "unit": [ |
| "years" |
| ], |
| "version": "0.5.7", |
| "year": 2023 |
| } |
