Journal Article Ppublish
PubMed: 39734480 DOI: 10.4252/wjsc.v16.i12.1106
Innovative hydrogel delivery of bone marrow stromal cell-derived exosomes for enhanced bone healing.
World J Stem Cells 16(12):1106-1109
Authors: Yue Ding, Fang Lin, Xiao-Ting Liang
Affiliations
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200120, China. Department of Organ Transplantation, Naval Medical University, Shanghai 200000, China.
- Shanghai Heart Failure Research Center, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, China.
- Institute for Regenerative Medicine, Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200120, China.
Abstract
Bone regeneration is a multifaceted process involving the well-coordinated interaction of cellular functions such as the regulation of inflammation, the formation of new blood vessels, and the development of bone tissue. Bone regeneration is a multifaceted process involving the well-coordinated interplay of multiple cellular activities, such as inflammation control, blood vessel and bone tissue. Zhang developed a multifunctional hydrogel system embedded with bone marrow stromal cell-derived exosomes to address the challenges of large bone defects. This innovative approach demonstrated the dual-role capability of bone marrow stromal cell-derived exosomes in directing cell fate by significantly enhancing both angiogenesis and osteogenic differentiation . The hydrogel system effectively promoted the polarization of macrophages towards the anti-inflammatory M2 phenotype, fostering an environment that supports bone repair. The effectiveness of this hydrogel was validated in a murine fracture model, which promoted significant bone regeneration and functional vascularization. Despite compelling evidence, this study highlights areas for further investigation, including detailed descriptions of experimental procedures, control group selection, long-term outcomes, and the evaluation of inflammation status . Addressing these limitations will enhance the robustness and impact of the findings.
MeSH
Cells, Hydrogel, Polyethylene Glycol Dimethacrylate, Hydrogels, Bone Marrow, Blood, Exosomes, Stromal Cells, Tissues, Blood Vessels