Reproducibility of novel immune-inflammatory biomarkers over 4 months: an analysis with repeated measures design

Author:

Schenk Matthew1,Eichelmann Fabian1,Schulze Matthias B2345,Rudovich Natalia3678,Pfeiffer Andreas F367,di Giuseppe Romina9,Boeing Heiner10,Aleksandrova Krasimira15

Affiliation:

1. Senior Scientist Group Nutrition, Immunity & Metabolism, Department of Nutrition & Gerontology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany

2. Department of Molecular Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany

3. German Centre for Diabetes Research, Germany

4. DZHK (German Centre for Cardiovascular Research), partner site Berlin, Berlin, Germany

5. University of Potsdam, Institute of Nutritional Science, Potsdam, Germany

6. Department of Clinical Nutrition, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany

7. Department of Endocrinology, Diabetes & Nutrition, Campus Benjamin Franklin, Charité University Medicine, Berlin, Germany

8. Division of Endocrinology & Diabetes, Department of Internal Medicine, Spital Bülach, Bülach, Switzerland

9. Institute of Epidemiology, Christian-Albrechts University Kiel, Kiel, Germany

10. Department of Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany

Abstract

Aim: Assessment of the feasibility and reliability of immune-inflammatory biomarker measurements. Methods: The following biomarkers were assessed in 207 predominantly healthy participants at baseline and after 4 months: MMF, TGF-β, suPAR and clusterin. Results: Intraclass correlation coefficients (95% CIs) ranged from good for TGF-β (0.75 [95% CI: 0.33–0.90]) to excellent for MMF (0.81 [95% CI: 0.64–0.90]), clusterin (0.83 [95% CI: 0.78–0.87]) and suPAR (0.91 [95% CI: 0.88–0.93]). Measurement of TGF-β was challenged by the large number of values below the detection limit. Conclusion: Single measurements of suPAR, clusterin and MMF could serve as feasible and reliable biomarkers of immune-inflammatory pathways in biomedical research.

Publisher

Future Medicine Ltd

Subject

Biochemistry (medical),Clinical Biochemistry,Drug Discovery

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