Evidence mapPaperPMID 31786641Full record

ArticleEuropean journal of nutrition2020

Changes of trace element status during aging: results of the EPIC-Potsdam cohort study.

Julia Baudry, Johannes F Kopp, Heiner Boeing, Anna P Kipp, Tanja Schwerdtle, Matthias B Schulze

Open access · hybridAbstract read
In one paragraph

Article in European journal of nutrition, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
43citing papers in PubMed, 1 pooled it
3.5field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

43 citing papers in PubMed, 1 synthesis or guideline pooled it, 81 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Article
  4. Article
  5. Review
  6. Article
  7. Article
  8. Article
  9. Arsenic, mercury, manganese, and lead exposure in Mexican adults aged 50 and older.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2025
    Article
  10. Article
  11. Review
  12. Selenium status markers and their relationship with anthropometric, glycemic, and inflammatory variables in institutionalized older adults.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2025
    Article
  13. Review
  14. Review
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 3 institutions in 1 country.

Julia BaudryDepartment of Molecular Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, 14558, Nuthetal, Germany. julia_aida.baudry@dife.de.
Johannes F KoppTraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena, Germany.
Heiner BoeingDepartment of Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, 14558, Nuthetal, Germany.
Anna P KippTraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena, Germany.
Tanja SchwerdtleTraceAge-DFG Research Unit on Interactions of Essential Trace Elements in Healthy and Diseased Elderly, Potsdam-Berlin-Jena, Germany.
Matthias B SchulzeDepartment of Molecular Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, 14558, Nuthetal, Germany.
German Institute of Human Nutrition · DEUniversity of Potsdam · DEFriedrich Schiller University Jena · DE

Funding

European Community grant SOC 98200769 05 F02European Union grant SOC 95201408 05 F02Federal Ministry of Science, Germany grant 01 EA 9401German Cancer Aid grant 70-2488-Ha IGerman Center for Diabetes Research 82DZD00302German Federal Ministry of Education and Research BMBFTraceAge - DFG Research Unit on Interactions of essential trace elements in healthy and diseased elderly, Potsdam-Berlin-Jena FOR 2558/1
6 · The paper itself

Abstract

purposeWe aimed to evaluate age-dependent changes of six trace elements (TE) [manganese (Mn), iron (Fe), zinc (Zn), copper (Cu), iodine (I), and selenium (Se)] over a 20-year period.

methodsTE concentrations were determined using repeated serum samples taken at baseline and after 20 years of follow-up from 219 healthy participants of the EPIC-Potsdam study, using inductively coupled plasma tandem mass spectrometry. For each TE, absolute and relative differences were calculated between the two time points, as well as the proportion of individuals within normal reference ranges. Interdependence between age-related TE differences was investigated using principal component analysis (PCA). Relationships between selected factors (lifestyle, sociodemographic, anthropometric factors, and hypertension) and corresponding TE longitudinal variability were examined using multivariable linear regression models.

resultsMedian age of our study sample was 58.32 years (4.42) at baseline and 40% were females. Median Mn, Zn, Se concentrations and Se to Cu ratio significantly decreased during aging while median Fe, Cu, I concentrations and Cu to Zn ratio significantly increased. A substantial percentage of the participants, at both time points, had Zn concentrations below the reference range. The first PCA-extracted factor reflected the correlated decline in both Mn and Zn over time while the second factor reflected the observed (on average) increase in both Cu and I over time. Overall, none of the investigated factors were strong determinants of TE longitudinal variability, except possibly dietary supplement use, and alcohol use for Fe.

conclusionsIn conclusion, in this population-based study of healthy elderly, decrease in Mn, Zn, and Se concentrations and increase in Fe, Cu, and I concentrations were observed over 20 years of follow-up. Further research is required to investigate dietary determinants and markers of TE status as well as the relationships between TE profiles and the risk of age-related diseases.

Indexed as

SeleniumTrace ElementsAgedAgingCohort StudiesCopperFemaleHumansMaleMiddle AgedZincCopperSeleniumTrace ElementsZincAgingCopperDeterminantsIodineIronManganeseSeleniumTrace element profilesZinc

Identifiers

PMID31786641
PMCPMC7501115
OpenAlexW2990520434

What Socratic holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.