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Nat Commun ; 11(1): 4487, 2020 09 08.
Article in English | MEDLINE | ID: mdl-32900998

ABSTRACT

An important aspect of precision medicine is to probe the stability in molecular profiles among healthy individuals over time. Here, we sample a longitudinal wellness cohort with 100 healthy individuals and analyze blood molecular profiles including proteomics, transcriptomics, lipidomics, metabolomics, autoantibodies and immune cell profiling, complemented with gut microbiota composition and routine clinical chemistry. Overall, our results show high variation between individuals across different molecular readouts, while the intra-individual baseline variation is low. The analyses show that each individual has a unique and stable plasma protein profile throughout the study period and that many individuals also show distinct profiles with regards to the other omics datasets, with strong underlying connections between the blood proteome and the clinical chemistry parameters. In conclusion, the results support an individual-based definition of health and show that comprehensive omics profiling in a longitudinal manner is a path forward for precision medicine.


Subject(s)
Healthy Aging/metabolism , Metabolome , Proteome/metabolism , Aged , Cohort Studies , Female , Healthy Aging/genetics , Healthy Volunteers , Humans , Lipidomics , Longitudinal Studies , Male , Metabolomics , Middle Aged , Precision Medicine , Prospective Studies , Proteomics , Sweden , Transcriptome
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