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A biomarker perspective on the acute effect of exercise with and without impact on joint tissue turnover: an exploratory randomized cross-over study

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European Journal of Applied Physiology Aims and scope Submit manuscript

Abstract

Purpose

To investigate acute changes in biochemical markers of bone and cartilage turnover in response to moderate intensity exercise with and without joint impact in healthy human subjects.

Methods

A randomized, cross-over, exploratory, clinical study was conducted. Twenty healthy subjects with no history of joint trauma completed 30 min interventions of standardized moderate intensity cycling and running as well as a resting intervention 1 week apart. Blood samples were taken immediately before, four times after exercise and again the next day. Urine was sampled, before, after and the next day. On the day of rest, samples were taken at timepoints similar to the days of exercise. Markers of type I (CTX-I), II (C2M, CTX-II) and VI (C6M) collagen degradation, cartilage oligomeric matrix protein (COMP) and procollagen C-2 (PRO-C2) was measured. Trial registration number: NCT04542655, 02 September 2020, retrospectively registered.

Results

CTX-I was different from cycling (4.2%, 95%CI: 0.4–8.0%, p = 0.03) and resting (6.8%, 95%CI: 2.9–10.7%, p = 0.001) after running and the mean change in COMP was different from cycling (10.3%, 95%CI: 1.1–19.5%, p = 0.03), but not from resting (8.6%, 95%CI: − 0.7–17.8%, p = 0.07) after running. Overall, changes in other biomarkers were not different between interventions.

Conclusion

In this exploratory study, running, but not cycling, at a moderate intensity and duration induced acute changes in biomarkers of bone and cartilage extra-cellular matrix turnover.

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Abbreviations

BMI:

Body mass index

CV:

Coefficient of variation

COMP:

Cartilage oligomeric matrix protein

CTX-I:

C-terminal telopeptide of type I collagen

CTX-II:

C-terminal telopeptide of type II collagen

C2M:

MMP-generated fragment of type II collagen

C6M:

MMP-generated fragment of type VI collagen

ELISA:

Enzyme-linked immunosorbent assays

ICC:

Intraclass correlation

KOOS:

Knee injury and osteoarthritis outcome score

LLOQ:

Lower limit og quantification

MMP:

Matrix metalloproteinase

MRI:

Magnetic resonance imaging

OA:

Osteoarthritis

PRO-C2:

Procollagen type II

R:

Range

SEM:

Standard error of the mean

ULOQ:

Upper limit of quantification

References

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Acknowledgements

The authors thank Heidi Rønberg for lab assistance, Melanie Kurell and Sarah á Rogvi for clinical assistance and Dr. Kamilla Mundbjerg for technical support.

Funding

This study was funded by Nordic Bioscience Clinical Development and the Danish Research Fund.

Author information

Authors and Affiliations

Authors

Contributions

JJB, ARB, JRA and HBN designed the protocol. JJB and MB acquired the clinical data. JJB, ARB, and IB conducted the data analysis. JJB, ARB, MK, CT and ALM interpreted the data. JJB drafted the manuscript. Critical revision and approval of the final manuscript was done by all of the authors.

Corresponding author

Correspondence to Jonathan J. Bjerre-Bastos.

Ethics declarations

Conflicts of interest

JJB received funding from Nordic Bioscience Clinical Development and the Danish Research Fund. IB and CT are full-time employees of Nordic Bioscience. JRA, MK and ARB are full-time employees and shareholders of Nordic Bioscience. MB and ALM have no conflict of interest.

Additional information

Communicated by Kirsty Elliott-Sale.

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Bjerre-Bastos, J.J., Nielsen, H.B., Andersen, J.R. et al. A biomarker perspective on the acute effect of exercise with and without impact on joint tissue turnover: an exploratory randomized cross-over study. Eur J Appl Physiol 121, 2799–2809 (2021). https://doi.org/10.1007/s00421-021-04751-z

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  • DOI: https://doi.org/10.1007/s00421-021-04751-z

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