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Updated: Sep 17, 2025

Skeletal Phenotype Analysis of a Conditional Stat3 Deletion Mouse Model
Published on: July 3, 2020
Molybdenum facilitates PDLSC-based bone regeneration through the JAK/STAT3 signaling pathway
Jing Xia1, Jue Yu2, Wenwen Shi3
1Department of Clinical Microbiology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, 301 Yanchang Middle Road, Jingan District, Shanghai, 200072, China.
None:
Bone regeneration is a critical area of research in the treatment of bone defects within clinical practice. Molybdenum (Mo) is an essential trace element for many organisms, which plays a vital role in various cellular activities, such as maintaining energy metabolism and promoting cell proliferation. However, whether Mo regulates the osteogenic differentiation of periodontal ligament stem cells (PDLSCs) and promotes bone tissue regeneration remains unknown. This study confirmed the nourishing effect of Mo on the osteogenic differentiation of PDLSCs, as evidenced by higher expression of osteogenic-related markers (OCN, BSP, OSX and RUNX2), ALP activity and mineralization ability. Moreover, through constructing compound material GelMA + PDLSC, we proved that Mo promoted PDLSC-based bone regeneration quantity and quality in rat calvarial defects. Finally, we revealed the underlying mechanism that the JAK/STAT3 signaling pathway actively participated in the Mo-enhanced osteogenic differentiation of PDLSCs. The inhibition of STAT3 diminished the benefit of Mo. Overall, our study found that Mo facilitated PDLSC-based bone regeneration through the JAK/STAT3 signaling pathway, which may shed new light on clinical bone regeneration therapeutic strategies.
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