{ "approved_by_author": "\u231b", "citation": "Salas, L.A., Koestler, D.C., Butler, R.A. et al. An optimized library for reference-based deconvolution of whole-blood biospecimens assayed using the Illumina HumanMethylationEPIC BeadArray. Genome Biology 19, 64 (2018).", "citations": 487, "citations_date": "2026-10-02", "clock_name": "deconvolutebloodepiccd4tcell", "data_type": "DNA methylation", "doi": "https://doi.org/10.1186/s13059-018-1448-7", "journal": "Genome Biology", "last_author": "Brock C. Christensen", "model_type": "reference-based constrained deconvolution", "n_features": 600, "notes": "Reference-based constrained deconvolution returning the CD4+ T cell proportion from EPIC-array blood methylation. Pyaging uses the paper's automatic 600-CpG top-hypermethylated/top-hypomethylated reference, not the paper's preferred 450-CpG EPIC IDOL library.", "platform": [ "Illumina EPIC" ], "population": "adults", "predicts": [ "CD4+ T cell proportion" ], "preprocess": "fill_with_reference_means", "reference_values": true, "research_only": null, "species": "Homo sapiens", "tissue": [ "purified blood leukocytes" ], "training_target": [ "cell-type-specific methylation contrast" ], "unit": [ "proportion" ], "version": "0.5.7", "year": 2018 }