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Metabolic Regulators of Bone Health

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Endocrinology and Metabolism".

Deadline for manuscript submissions: 20 March 2026 | Viewed by 856

Special Issue Editor


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Guest Editor
School of Medicine, Western Michigan University Homer Stryker MD, Kalamazoo, MI 49007, USA
Interests: regenerative medicine; tissue engineering; 3D bioprinting; biomaterials; bone; cartilage; skin; inflammation; differentiation
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Special Issue Information

Dear Colleagues,

Metabolic regulation plays a crucial role in bone health, with conditions such as osteoporosis, obesity, and diabetes significantly impacting skeletal integrity. Metabolic factors, including glucose, insulin, estrogen, and lipids, influence bone-building cells osteoblasts affecting their osteogenic potential and overall bone homeostasis. Dysregulated glucose and lipids metabolism and insulin signaling have been linked to impaired bone formation, while estrogen deficiency accelerates bone loss, contributing to osteoporosis. In recent years, numerous signaling pathways and microRNAs have been associated with metabolic regulation in bone biology. Future research should aim to systematically elucidate the molecular mechanisms underlying these metabolic influences on bone health, particularly by investigating the crosstalk between osteoblasts, osteocytes, and these microenvironmental factors.

In this Special Issue of IJMS, we will focus on molecular studies in bone biology and regenerative medicine as a promising approach to identifying new therapeutic targets and biomarkers with diagnostic significance in metabolic bone disorders. We welcome in vitro data, human studies, and clinical observations that explore the effects of metabolic regulators on bone health, with a particular emphasis on glucose, insulin, lipids, and estrogen signaling in bone-forming cells.

Dr. Akkouch Adil
Guest Editor

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Keywords

  • bone
  • osteoporosis
  • diabetes
  • obesity
  • glucose
  • insulin
  • lipids
  • estrogen
  • microRNA
  • osteoblasts

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Published Papers (1 paper)

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Review

30 pages, 757 KB  
Review
Lipid-Driven Immunometabolism in Mesenchymal Stromal Cells: A New Axis for Musculoskeletal Regeneration
by Vibha Velur, Patrick C. McCulloch, Francesca Taraballi and Federica Banche-Niclot
Int. J. Mol. Sci. 2025, 26(20), 10117; https://doi.org/10.3390/ijms262010117 - 17 Oct 2025
Viewed by 586
Abstract
The immunosuppressive and anti-inflammatory potential of mesenchymal stromal cells (MSCs) underpins their therapeutic value in musculoskeletal disorders. However, the underlying mechanisms remain ill-defined. Traditionally associated with immune cells, immunometabolism (the cellular metabolism–immune system interplay) is now recognized as central in a broader range [...] Read more.
The immunosuppressive and anti-inflammatory potential of mesenchymal stromal cells (MSCs) underpins their therapeutic value in musculoskeletal disorders. However, the underlying mechanisms remain ill-defined. Traditionally associated with immune cells, immunometabolism (the cellular metabolism–immune system interplay) is now recognized as central in a broader range of processes, including tissue homeostasis, repair, and chronic inflammation. Depending on the context and cell type, distinct metabolic pathways (e.g., fatty acid oxidation, lipid mediator biosynthesis) can drive pro-inflammatory/pro-resolving immune phenotypes. This dynamic is salient in musculoskeletal tissues: macrophage polarization, T-cell activation, and MSC immunomodulation are governed by metabolic cues. Emerging evidence highlights lipid-driven immunometabolism as a key player in MSC function, particularly in post-traumatic osteoarthritis (PTOA) and osteoporosis (OP). Unlike immune cells, MSCs rely on distinct metabolic programs (e.g., lipid sensing, uptake, and signaling) to exert context-dependent immunoregulation. In PTOA, persistent inflammation triggers lipid-centric metabolic pathways, enhancing MSC-driven immunomodulation and therapeutic outcomes. In OP, low-grade inflammation and altered lipid metabolism impair bone regeneration, modulating lipid-driven routes that can restore MSC osteogenic function and influence osteoclast precursors. This review explores how lipid-derived mediators and signaling contribute to MSCs’ immunosuppressive capacity, positioning lipid immunometabolism as a novel axis for rebalancing the inflamed joint microenvironment and encouraging musculoskeletal regeneration. Full article
(This article belongs to the Special Issue Metabolic Regulators of Bone Health)
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