Evidence map›Paper›PMID 33148690›Full record

ArticleBMJ open diabetes research & care2020

Bone turnover and metabolite responses to exercise in people with and without long-duration type 1 diabetes: a case-control study.

Guy S Taylor, Othmar Moser, Kieran Smith, Andy Shaw, Jonathan C Y Tang, William D Fraser, Max L Eckstein, Faisal Aziz, Emma J Stevenson, James A Shaw and 1 more

Open access · goldAbstract read
In one paragraph

Article in BMJ open diabetes research & care, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed, 1 pooled it
0.7field-weighted citation impact, top 25% 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

5 citing papers in PubMed, 1 synthesis or guideline pooled it, 8 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Bone remodeling and responsiveness to mechanical stimuli in individuals with type 1 diabetes mellitus.Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2024
    Article
  4. Review
  5. 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

11 authors at 4 institutions in 3 countries.

Guy S Taylor *Population Health Sciences Institute, Newcastle University Faculty of Medical Sciences, Newcastle upon Tyne, UK daniel.west@newcastle.ac.uk guy.taylor@newcastle.ac.uk.ORCID 0000-0002-5207-1498
Othmar Moser *Division of Exercise Physiology and Metabolism, Department of Sport Science, University of Bayreuth, Bayreuth, Germany.ORCID 0000-0002-1661-0685
Kieran SmithPopulation Health Sciences Institute, Newcastle University Faculty of Medical Sciences, Newcastle upon Tyne, UK.
Andy ShawPopulation Health Sciences Institute, Newcastle University Faculty of Medical Sciences, Newcastle upon Tyne, UK.
Jonathan C Y TangBioanalytical Facility, University of East Anglia Norwich Medical School, Norwich, Norfolk, UK.
William D FraserBioanalytical Facility, University of East Anglia Norwich Medical School, Norwich, Norfolk, UK.
Max L EcksteinDivision of Exercise Physiology and Metabolism, Department of Sport Science, University of Bayreuth, Bayreuth, Germany.
Faisal AzizCardiovascular Diabetology Research Group, Division of Endocrinology and Diabetology, Department of Internal Medicine, Medical University of Graz, Graz, Styria, Austria.
Emma J StevensonPopulation Health Sciences Institute, Newcastle University Faculty of Medical Sciences, Newcastle upon Tyne, UK.
James A ShawBiosciences Institute, Newcastle University Faculty of Medical Sciences, Newcastle upon Tyne, UK.
Daniel J WestPopulation Health Sciences Institute, Newcastle University Faculty of Medical Sciences, Newcastle upon Tyne, UK daniel.west@newcastle.ac.uk guy.taylor@newcastle.ac.uk.ORCID 0000-0003-2246-4925
Newcastle University · GBUniversity of Bayreuth · DEUniversity of East Anglia · GBMedical University of Graz · AT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionExercise acutely alters markers of bone resorption and formation. As risk of fracture is increased in patients with type 1 diabetes, understanding if exercise-induced bone turnover is affected within this population is prudent. We assessed bone turnover responses to acute exercise in individuals with long-duration type 1 diabetes and matched controls. RESEARCH DESIGN AND

methodsParticipants with type 1 diabetes (n=15; age: 38.7±13.3; glycosylated hemoglobin: 60.5±6.7 mmol/mol; diabetes duration: 19.3±11.4 years) and age-matched, fitness-matched, and body mass index-matched controls (n=15) completed 45 min of incline walking (60% peak oxygen uptake). Blood samples were collected at baseline and immediately, 30 min, and 60 min postexercise. Markers of bone resorption (β-C-terminal cross-linked telopeptide of type 1 collagen, β-CTx) and formation (procollagen type-1 amino-terminal propeptide, P1NP), parathyroid hormone (PTH), phosphate, and calcium (albumin-adjusted and ionized) were measured. Data (mean±SD) were analyzed by a mixed-model analysis of variance.

resultsBaseline concentrations of P1NP and β-CTx were comparable between participants with type 1 diabetes and controls. P1NP did not change with exercise (p=0.20) but β-CTx decreased (p<0.001) in both groups, but less so in participants with type 1 diabetes compared with controls (-9.2±3.7%; p=0.02). PTH and phosphate increased immediately postexercise in both groups; only PTH was raised at 30 min postexercise (p<0.001), with no between-group differences (p>0.39). Participants with type 1 diabetes had reduced albumin and ionized calcium at all sample points (p<0.01).

conclusionsFollowing exercise, participants with type 1 diabetes displayed similar time-course changes in markers of bone formation and associated metabolites, but an attenuated suppression in bone resorption. The reduced albumin and ionized calcium may have implications for future bone health. Further investigation of the interactions between type 1 diabetes, differing modalities and intensities of exercise, and bone health is warranted.

Indexed as

Bone RemodelingDiabetes Mellitus, Type 1ExerciseAdultCase-Control StudiesFemaleHumansMaleMiddle AgedParathyroid HormoneParathyroid Hormonebone diseasesdiabetes mellitusexercisemetabolictype 1

Identifiers

PMID33148690
PMCPMC7643495
OpenAlexW3097307028

What Socratic holds

Textmetadata
LicenceCC BY-NC
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.