Evidence map›Paper›PMID 40410842›Full record

ArticleJournal of orthopaedic surgery and research2025

GPx3 marks adipocyte lineage commitment in bone marrow stromal cells.

Zhongxiang Wang, Yangyang Hu, Mao Li, Xiaojun Chen, Chengyu Zhou, Zhiyang Xu, Kai Chen, Lichuang Wu

Abstract read
In one paragraph

Article in Journal of orthopaedic surgery and research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing 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

3 citing papers in PubMed.

  1. Article
  2. The Intimate Relationship between Adipose Tissue, Fertility, and Bone.Journal of frailty, sarcopenia and falls · 2026
    Review
  3. 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

8 authors.

Zhongxiang Wang *Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China.
Yangyang Hu *Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China.
Mao LiDepartment of Obstetrics, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China.
Xiaojun ChenSchool of Biomedical Sciences, The University of Western Australia, Perth, Australia.
Chengyu ZhouDepartment of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China.
Zhiyang XuThe First Clinical School, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China.
Kai ChenSchool of Biomedical Sciences, The University of Western Australia, Perth, Australia. kai.chen@uwa.edu.au.
Lichuang WuDepartment of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China. lichuang.wu@wmu.edu.cn.

Funding

Arthritis Australia RPG0012022National Natural Science Foundation of China 82372368
6 · The paper itself

Abstract

backgroundBone marrow adipose tissue (BMAT) plays an essential role in skeletal health and systemic metabolism, particularly under conditions of ageing and osteoporosis. Despite increasing recognition of BMAT as an active endocrine organ, the molecular mechanisms underlying its formation and expansion remain incompletely understood.

methodsWe conducted a transcriptomic re-analysis of publicly available datasets focused on the adipogenic differentiation of bone marrow stromal cells (BMSCs). Differential gene expression and pathway enrichment analyses were performed to identify key molecular changes. Validation was conducted at both the transcript and protein levels. Furthermore, re-analysis of single-cell RNA sequencing (scRNA-seq) data was employed to determine the cell type-specific expression of candidate genes within the bone marrow. Functional assays using RNA interference were carried out to investigate the role of glutathione peroxidase 3 (GPx3) in adipogenesis.

resultsOur analysis revealed a consistent activation of oxidative stress-related pathways during adipogenic differentiation. Among the upregulated antioxidant enzymes, GPx3 was selectively increased during adipogenic-but not osteogenic-differentiation. This pattern was validated at both mRNA and protein levels in vitro. scRNA-seq analysis showed that GPx3 expression is predominantly localized in BMSCs and adipocytes, with reduced expression observed in aged mice, corresponding to elevated levels of adipocyte-related genes. In vitro functional experiments demonstrated that GPx3 knockdown significantly promoted adipogenic differentiation of BMSCs.

conclusionThese findings indicate that GPx3 is closely associated with adipocyte lineage commitment within the bone marrow microenvironment and may serve as a key modulator of BMSC fate. This study underscores the potential role of antioxidant enzymes such as GPx3 in the regulation of age-related bone-fat imbalance and highlights their relevance in metabolic bone disorders.

Indexed as

AdipocytesAdipogenesisCell LineageGlutathione PeroxidaseMesenchymal Stem CellsAnimalsBone Marrow CellsCell DifferentiationCells, CulturedMiceMice, Inbred C57BLOsteogenesisOxidative StressGlutathione PeroxidaseGpx3 protein, mouseBone marrow adipose tissueBone marrow stromal cellsGPx3ROS

Identifiers

PMID40410842
PMCPMC12102944

What Socratic holds

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LicenceCC BY-NC-ND
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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.