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The CALERIE Genomic Data Resource

Abstract

Caloric restriction (CR) slows biological aging and prolongs healthy lifespan in model organisms. Findings from the CALERIE randomized, controlled trial of long-term CR in healthy, nonobese humans broadly supports a similar pattern of effects in humans. To expand our understanding of the molecular pathways and biological processes underpinning CR effects in humans, we generated a series of genomic datasets from stored biospecimens collected from n = 218 participants during the trial. These data constitute a genomic data resource for a randomized controlled trial of an intervention targeting the biology of aging. Datasets include whole-genome single-nucleotide polymorphism genotypes, and three-timepoint-longitudinal DNA methylation, mRNA and small RNA datasets generated from blood, skeletal muscle and adipose tissue samples (total sample n = 2,327). The CALERIE Genomic Data Resource described in this article is available from the Aging Research Biobank. This multi-tissue, multi-omics, longitudinal data resource has great potential to advance translational geroscience. ClinicalTrials.gov registration: NCT00427193.

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Fig. 1: Study design, participant information and overview of molecular datasets generated for the CALERIE CR trial.
Fig. 2: CALERIE Genomic Data Resource sample sizes and dataset overlap by treatment group, tissue type and molecular data type.
Fig. 3: SNP-based PC scores for CALERIE participants.
Fig. 4: Associations of DNAm measures of aging with chronological age and age-residualized DNAm measures of aging with each other.
Fig. 5: Relative proportions of 12 white blood cell types estimated for all participants at baseline.
Fig. 6: Differential adipose mRNA expression between caloric restriction and ad libitum groups at 12- and 24-month timepoints.

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Data availability

Processed data can be accessed through the Aging Research Biobank (https://agingresearchbiobank.nia.nih.gov/studies/calerie/). Data use is restricted to noncommercial use in studies to determine factors that affect age-related conditions. Applications for data access include a brief summary of the research question and intended analysis and proof of IRB approval for the project. Summary tables of data can be found at Dryad via https://doi.org/10.5061/dryad.pzgmsbcxh (ref. 89). Original raw data may be obtained from the laboratory of D.W.B. (cac_geroscience@cumc.columbia.edu).

Code availability

Code used in the production of summary data and figures is available on Dryad via https://doi.org/10.5061/dryad.pzgmsbcxh (ref. 89) and GitHub via https://github.com/CPRyan/CALERIE_Genomic_Data_Resource/.

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Acknowledgements

This research received support from US National Institute on Aging Grants R01AG061378 (to D.W.B.), R33AG070455 (to K.H. and W.E.K.), R01AG054840 (to V.B.K.) and U01AG060908 (to S.H.) and from US National Cancer Institute Grant 5P30CA013696 (to A.F.). D.W.B. is a Fellow of the CIFAR CBD Network. This research utilized the FlowSorted.BloodExtended.EPIC software packages developed at Dartmouth College, which are governed by the licensing terms provided by Dartmouth Technology Transfer (https://github.com/immunomethylomics/FlowSorted.BloodExtended.EPIC/blob/main/SoftwareLicense.FlowSorted.BloodExtended.EPIC%20to%20sign.pdf). Figs. 1 and 2 and Extended Data Fig. 1 include images created in BioRender in the Columbia Aging Center Geroscience Computational Core. CALERIE is a registered trademark.

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Authors and Affiliations

Authors

Contributions

D.W.B., K.M.H., V.B.K., L.F. and S.H. designed the research; C.P.R., D.L.C., N.B., C.E.I., A.F., R.F., M.S.K., V.B.K., W.E.K., J.L.M., M.C.O., C.F.P., J.P.W., L.F., S.H., K.M.H. and D.W.B. conducted the research; C.P.R., D.L.C., N.B., R.F., J.M. and M.C.O. prepared the datasets; C.P.R. and R.F. analyzed the data; C.P.R. and D.W.B. wrote the paper; all authors contributed to critical review of the manuscript.

Corresponding authors

Correspondence to C. P. Ryan or D. W. Belsky.

Ethics declarations

Competing interests

D.W.B. and D.L.C. are listed as inventors of the Duke University and University of Otago invention DunedinPACE, which is licensed to TruDiagnostic. D.W.B. is consulting CSO and SAB chair of BellSant and serves on the SAB of the Hooke Clinic. The Regents of the University of California are the sole owner of patents and patent applications directed at epigenetic biomarkers for which S.H. is a named inventor; S.H. is a founder and paid consultant of the non-profit Epigenetic Clock Development Foundation that licenses these patents. S.H. is a Principal Investigator at the Altos Labs, Cambridge Institute of Science, a biomedical company that works on rejuvenation. The remaining authors declare no competing interests.

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Nature Aging thanks Jan Gruber and the other, anonymous, reviewer(s) for their contribution to the peer review of this work.

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Extended data

Extended Data Fig. 1 Upset plot of samples for baseline and at least one follow-up.

The figure shows an upset plot displaying overlap of available datasets across treatment group, tissues, molecular data type. This figure is analogous to Fig. 2a, here only samples with baseline and at least one follow-up (12- or 24-months) are counted. The left-hand side shows tissue type (blood, muscle, or adipose), type of molecular data type (SNPs, DNAm, smRNAs, or mRNA), set size for each tissue and data type combination in number of unique individuals, and group (CR or AL). The bottom right-hand side shows points and connecting lines indicating overlapping intersections across tissues and data types color coded by treatment group (CR = red, AL = navy). The top right hand side shows a barchart indicating sample sizes for the overlapping intersections of tissue and datatypes. Each tissue and molecular data type combination is linked to a corresponding color scheme as follows: genomic variation (purple DNA), blood DNA methylation (red DNA with lollipops), blood small RNAs (smRNAs; dark red RNA fragments), muscle DNA methylation (blue DNA with lollipops), muscle smRNAs (blue RNA fragments), muscle mRNA (blue single RNA strand), adipose DNA methylation (yellow DNA with lollipops), adipose smRNAs (yellow RNA fragments), adipose mRNA (yellow single RNA strand). Created with BioRender.com.

Extended Data Fig. 2 Estimated cell composition for blood, muscle, and adipose samples based on DNA methylation deconvolution.

The figure shows estimated adipose, epithelial, fibroblast, and immune cell proportions for blood (Panel A; n=594), muscle (Panel B; n=168), and adipose (Panel C; n=161) tissue samples. For each tissue type, individual points represent individual samples. Proportion of cell types are shown as box and whisker plots showing median (horizontal line), 25th quartile (bottom of the box), 75th quartile (top of the box), and minimum and maximum values within 1.5 × IQR (interquartile range; top and bottom segments, respectively). Adipose cell types are colored in gold, epithelial cells are colored in blue, fibroblasts are colored in seagreen, and immune cells are colored in coral. Estimated cell proportions are based on DNA methylation and the hierarchical EpiDISH deconvolution method described in Zheng et al.67.

Extended Data Fig. 3 Associations of DNA methylation measures of aging with chronological age.

The figure shows DNA methylation measures of aging (Y-axis) against chronological age (X-axis) for n=212 men and women at pre-intervention baseline. The dashed colored line on each facet is the line of identity (intercept=0, slope=1), indicating where predicted epigenetic age or pace of aging would equal chronological age. Correlations with chronological age are as follows: Horvath Clock r=0.87, PC Horvath Clock r=0.84, Hannum Clock r=0.92, PC Hannum Clock r=0.88, Skin & Blood Clock r=0.94, PC Skin & Blood Clock r=0.80, PhenoAge Clock r=0.84, PC PhenoAge Clock r=0.85, GrimAge Clock r=0.93, PC GrimAge Clock r=0.92, DunedinPACE r=0.15.

Extended Data Fig. 4 Associations of age-residualized DNA methylation measures of aging with each other.

The figure shows correlations between age-residualized DNA methylation measures of aging for n=212 men and women at pre-intervention baseline with each other. The dashed red line on each facet is the fitted regression slopes. Pearson correlations between DNA methylation measures of aging are shown on the upper diagonal facets, with the shade of the facet indicating the strength of the correlation.

Extended Data Fig. 5 Signal intensity for blood DNA methylation.

Average intensity of methylated (x-axis) and unmethylated (y-axis) signals for DNAm from blood (n=594) relative to signal intensity of 10.5. Each sample is represented by a point, with samples from the Ad Libitum treatment group colored blue and samples from caloric restriction treatment group colored red.

Extended Data Fig. 6 Detection p-values for blood DNA methylation.

Average detection p-value for DNAm sampled from blood (n=594) relative to p-value of 0.05 (red dotted vertical line).

Extended Data Fig. 7 Signal intensity for muscle tissue DNA methylation.

Average intensity of methylated (x-axis) and unmethylated (y-axis) signals for DNAm from muscle tissue (n=168) relative to signal intensity of 10.5. Each sample is represented by a point, with samples from the Ad Libitum treatment group colored blue and samples from caloric restriction treatment group colored red.

Extended Data Fig. 8 Detection p-values for muscle tissue DNA methylation.

Average detection p-value for DNAm sampled from muscle (n=168) relative to p-value of 0.05 (red dotted vertical line).

Extended Data Fig. 9 Signal intensity for adipose tissue DNA methylation.

Average intensity of methylated (x-axis) and unmethylated (y-axis) signals for DNAm from adipose tissue (n=168) relative to signal intensity of 10.5. Each sample is represented by a point, with samples from the Ad Libitum treatment group colored blue and samples from caloric restriction treatment group colored red.

Extended Data Fig. 10 Detection p-values for adipose tissue DNA methylation.

Average detection p-value for DNAm sampled from adipose (n=161) relative to p-value of 0.05 (red dotted vertical line).

Supplementary information

Reporting Summary

Supplementary Tables 1–5

Supplementary Table 1. CALERIE Molecular Sample Availability Matrix. The table shows data availability for each CALERIE participant disaggregated by molecular data type (SNP-based genotype, DNA methylation, mRNA, smRNAs), tissue type (blood, plasma, muscle, adipose) and timepoint (baseline, 12-month follow-up, 24-month follow-up). Participant IDs and their corresponding treatment group are shown in columns 1 and 2. The presence of data for each molecular data type, tissue and timepoint for each participant are indicated by ‘1’. Absence of data for each molecular data type, tissue and timepoint for each participant are indicated by ‘0’. Supplementary Table 2. Adipose mRNA 12-month gene-set enrichment. Gene-set enrichment for differentially expressed genes in adipose tissue mRNA after comparing caloric restriction and AL treatment groups at 12-month follow-up relative to baseline. Enriched genes were filtered by FDR-corrected P value < 0.05 and ranked by absolute log2 fold change. Output includes the name of the pathway, enrichment nominal P value, enrichment Benjamini–Hochberg false discovery q value, enrichment score, normalized enrichment score, number of times a random gene set had a more extreme enrichment score value, size of the pathway after removing genes not present in the differential expression analysis and the direction of enrichment. Supplementary Table 3. Adipose mRNA 24-month gene-set enrichment. Gene-set enrichment for differentially expressed genes in adipose tissue mRNA when comparing caloric restriction and AL treatment groups at 24-month follow-up relative to baseline. Enriched genes were filtered by FDR-corrected P value < 0.05 and ranked by absolute log2 fold change. Output includes the name of the pathway, enrichment nominal P value, enrichment Benjamini–Hochberg false discovery q value, enrichment score, normalized enrichment score, number of times a random gene set had a more extreme enrichment score value, size of the pathway after removing genes not present in the differential expression analysis and the direction of enrichment. Supplementary Table 4. Differential expression for adipose mRNA by treatment group at 12-month follow-up. Results of two-sided different expression analysis of 19,755 genes with limma-voom with sample weighting to downweight the effect of sample outliers. Participant was modeled as a random effect using the duplicate correlation method. CR at 12-month follow-up was compared to AL at 12-month follow-up, relative to CR at baseline compared to AL at baseline (n = 34). Models included covariates for sex, age at baseline, BMI and RNA integrity number. Results show ENTREZID, gene symbol, log2 fold change, average expression level, the t-statistic, nominal P value, Benjamini–Hochberg false discovery q value and estimated beta value. Supplementary Table 5. Differential expression for adipose mRNA by treatment group at 24-month follow-up. Results of two-sided different expression analysis of 19,755 genes with limma-voom with sample weighting to downweight the effect of sample outliers. Participants were modeled as a random effect using the duplicate correlation method. CR at 24-month follow-up was compared to AL at 24-month follow-up, relative to CR at baseline compared to AL at baseline (n = 18). Models included covariates for sex, age at baseline, BMI and RNA integrity number. Results show ENTREZID, gene symbol, log2 fold change, average expression level, the t-statistic, nominal P value, Benjamini–Hochberg false discovery q value and estimated beta value.

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Ryan, C.P., Corcoran, D.L., Banskota, N. et al. The CALERIE Genomic Data Resource. Nat Aging 5, 320–331 (2025). https://doi.org/10.1038/s43587-024-00775-0

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