Evidence mapPaperPMID 41228426Full record

ArticleNutrients2025

Metabolic Disruption in Osteoporotic Sheep: Evaluating Vitamin D Deficiency and Cortisone Effects via Biochemical Markers.

Gero Knapp, Judith Langenstein, Natali Bauer, Sabine Stötzel, Christian Heiss, Vahid Jahed, Muhammad Alzweiri, Christoph Biehl, Thaqif El Khassawna

Abstract read
In one paragraph

Article in Nutrients, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
field-weighted citation impact
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

1 citing paper in PubMed.

  1. Review
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

9 authors.

Gero KnappExperimental Trauma Surgery, Faculty of Medicine, Justus-Liebig-University of Giessen, Aulweg 128, 35392 Giessen, Germany.ORCID 0000-0001-9864-547X
Judith LangensteinDepartment of Veterinary Clinical Sciences, Clinical Pathology and Clinical Pathophysiology, Faculty of Veterinary Medicine, Justus-Liebig-University of Giessen, Frankfurter-Strasse 126, 35392 Giessen, Germany.
Natali BauerDepartment of Veterinary Clinical Sciences, Clinical Pathology and Clinical Pathophysiology, Faculty of Veterinary Medicine, Justus-Liebig-University of Giessen, Frankfurter-Strasse 126, 35392 Giessen, Germany.
Sabine StötzelDepartment of Trauma-, Hand- and Reconstructive Surgery, Faculty of Medicine, Justus-Liebig-University of Giessen, Rudolf-Buchheim-Strasse 7, 35392 Giessen, Germany.
Christian HeissExperimental Trauma Surgery, Faculty of Medicine, Justus-Liebig-University of Giessen, Aulweg 128, 35392 Giessen, Germany.
Vahid JahedExperimental Trauma Surgery, Faculty of Medicine, Justus-Liebig-University of Giessen, Aulweg 128, 35392 Giessen, Germany.ORCID 0000-0003-3834-9630
Muhammad AlzweiriSchool of Pharmacy, The University of Jordan, Amman 11942, Jordan.
Christoph BiehlExperimental Trauma Surgery, Faculty of Medicine, Justus-Liebig-University of Giessen, Aulweg 128, 35392 Giessen, Germany.ORCID 0000-0003-2981-5062
Thaqif El KhassawnaExperimental Trauma Surgery, Faculty of Medicine, Justus-Liebig-University of Giessen, Aulweg 128, 35392 Giessen, Germany.ORCID 0000-0002-1187-8578

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND/

objectivesWe evaluated serum and urinary biomarkers of bone and energy metabolism in an ovine osteoporosis model (Control, OVX, OVXD, OVXDS) at 0/3/8 months (M).

methodsMorning sampling; DXA (ROI 'abdominal width') and linear mixed models for repeated measures.

resultsOnly OVXDS showed severe DXA loss (Z-scores -3.29 at 3 M; -4.86 at 8 M), with ≈20% and ≈30% BMD reductions at 3 M and 8 M versus controls. OVX and OVXD remained within age-expected Z-score ranges at 8 M. At 3 M, OVXDS had hypocalcemia, markedly elevated UFEP, near-zero 25-OH-vitamin-D, and suppressed osteocalcin/NTX (depressed turnover). By 8 M, osteocalcin rose in OVXDS while NTX stayed low, consistent with altered coupling under chronic glucocorticoids and vitamin D deficiency. OVXD showed milder, later changes. Fructosamine and insulin were transiently higher in OVXDS at 3 M; IGF-1 was stable across groups/time.

conclusionsCombined ovariectomy, calcium/vitamin-D-deficient diet, and glucocorticoids produce the clearest biomarker signature and DXA loss. Assay cross-reactivity limited PTH/DKK-1/cathepsin-K measurement in sheep; we summarize DXA outcomes and expand assay limitations and future validation plans.

Indexed as

OsteoporosisVitamin D DeficiencyAbsorptiometry, PhotonAnimalsBiomarkersBone DensityDisease Models, AnimalFemaleOsteocalcinOvariectomySheepVitamin DBiomarkersOsteocalcinVitamin Dbiochemical markersbone metabolismcalciumhealthy dietosteoporosissheep modelvitamin

Identifiers

PMID41228426
PMCPMC12610466

What Socratic holds

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Registered trials

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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.