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We evaluated the bone repair induced by MSCs from adipose tissue (AT-MSCs) and bone marrow (BM-MSCs) injected into rat calvarial defects at two time points. Both cell populations expressed MSC surface markers and differentiated into adipocytes and osteoblasts. μCT showed that the combination of cells from distinct sources exhibited synergistic effects to increase bone repair with an advantage when BM-MSCs were injected prior to AT-MSCs. The higher osteogenic potential of these MSC combinations was demonstrated using an coculture system where BM-MSCs and AT-MSCs association induced higher ALP activity in MC3T3-E1 cells. Our findings may drive new approaches to treat bone defects and shed light on the complexity of the mechanisms involved in bone regeneration.
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http://dx.doi.org/10.2217/rme-2022-0219 | DOI Listing |
Adv Drug Deliv Rev
September 2025
State Key Laboratory of Pharmaceutical Biotechnology, Medical School, Nanjing University, Nanjing 210093, China; Department of Pharmacy, The Air Force Hospital of Eastern Theater Command, Nanjing 210002, China; Jiangsu Provincial Key Laboratory of Nano Technology, Medical School, Nanjing University,
Oxygen plays a critical regulatory role in tissue repair and regeneration. However, in the microenvironment of tissues with vascular damage, hypoxia is commonly present. This not only suppresses cell proliferation and differentiation but also delays angiogenesis and extracellular matrix reconstruction, ultimately hindering the tissue regeneration process.
View Article and Find Full Text PDFExp Cell Res
September 2025
State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu City 610041, China. Electronic address:
Adipose-derived mesenchymal stem cells (ADSCs) hold great promise for bone tissue repair and regeneration. Circular RNAs (circRNAs) play a crucial role in regulating the osteogenic differentiation and bone remodeling of ADSCs; however, the underlying molecular mechanisms remain unclear. In this study, we conducted whole transcriptome sequencing (WTS) on ADSCs and constructed a competing endogenous RNA (ceRNA) regulatory network to identify the circTTC3/miR-205/mothers against decapentaplegic homolog 3 (Smad3) signaling axis.
View Article and Find Full Text PDFRedox Biol
September 2025
Department of Spine Surgery, The Second Affiliated Hospital of Nantong University, Nantong First People's Hospital, Medical School of Nantong University, Nantong, Jiangsu, 226000, China; Research Institute for Spine and Spinal Cord Disease of Nantong University, Nantong, Jiangsu, 226000, China. Elec
Spinal cord injury (SCI) is a devastating condition characterized by the accumulation of myelin debris (MD), persistent neuroinflammation, and impaired neural regeneration. Although macrophages are pivotal for MD clearance, the impact of excessive MD phagocytosis on macrophage phenotype and function remains poorly understood. Building upon our prior evidence that exendin-4 (Ex-4), a glucagon-like peptide-1 receptor (GLP-1R) agonist, mitigates microglia-driven neuroinflammation post-SCI, this study elucidates the therapeutic efficacy and underlying mechanisms of Ex-4 in alleviating macrophage senescence, restoring efferocytotic capacity, and facilitating neural repair.
View Article and Find Full Text PDFPoult Sci
August 2025
Department of Animal Biosciences, Ontario Agricultural College, University of Guelph, Guelph, Ontario, N1G2W1 Canada; Campbell Centre for the Study of Animal Welfare, University of Guelph, Guelph, Ontario N1G2W1 Canada. Electronic address:
Laying hens possess a calcium-specific appetite that intensifies towards lights out to meet the high demands for eggshell formation and skeletal maintenance. Pecking blocks (PBs) are edible enrichments that can serve as an additional calcium source. We explored the relationships between PB preference (PBp), PB use, keel fracture status (KS), and eggshell quality.
View Article and Find Full Text PDFBiomater Adv
September 2025
Quanzhou Institute of Equipment Manufacturing, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China; Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou, Fujian, 350108, China; University o
Bone tissue engineering scaffolds for bone defect treatment face numerous challenges, including mechanical mismatches and the lack of immune microenvironment modulation, often leading to implant failure. In this study, an innovative drug-loaded bioinspired ceramic/polymer composite scaffold was designed and fabricated using extrusion-based 3D printing technology, incorporating α-cyclodextrin (αCD) in a novel approach to improve interfacial compatibility and drug-loading efficiency. Hydroxyapatite (HA), the main component of natural bone, was employed as the inorganic phase to mimic the mineral structure of bone tissue.
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