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{
 "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": "mammalian1",
 "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": 335,
 "notes": "Universal pan-mammalian clock 1: elastic-net regression of log-transformed chronological age on conserved mammalian-array CpGs, back-transformed to years.",
 "platform": [
  "Horvath MammalMethylChip40"
 ],
 "population": "multiple mammalian species",
 "postprocess": "anti_logp2",
 "predicts": [
  "chronological age"
 ],
 "research_only": null,
 "species": "multiple species",
 "tissue": [
  "multi-tissue"
 ],
 "training_target": [
  "chronological age"
 ],
 "unit": [
  "years"
 ],
 "version": "0.5.7",
 "year": 2023
}