DataVXAdvanced SciencePaper
journal article·2025-08Open access

EGR1 Promotes Craniofacial Bone Regeneration via Activation of ALPL⁺PDGFD⁺ Periosteal Stem Cells

Yang Li, Dazhuang Lu, Fanqing Xu, Jun Yang, Dong Li, Chenlong Yang, Xin Chen, Xu Wang, Jia Qing, Hui Zhang, Yingfei Zhang, Fuchou Tang, Jie Qiao, Ophir D. Klein, Ping Zhang, Yongsheng Zhou

Advanced Science· Volume 12· Issue 30
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Source abstract

Abstract

Abstract Oral and craniofacial bone regeneration remains challenging due to unique anatomical and functional demands. Rodent models have limited translational value because of significant structural differences from humans. The study reveals high similarity in calvarial periosteal cell composition between miniature pigs and humans at single‐cell resolution. ALPL + PDGFD + (AP + ) cells are identified as distinct calvarial periosteal stem cells (PeSCs) that possess self‐renewal and differentiation potential in both swine and human calvarial periosteum. Postnatally, AP + PeSCs exhibit reduced activity compared to their embryonic counterparts, with EGR1 recognized as a crucial factor for their activation. Upon activation, these cells effectively facilitate the repair of craniofacial bone injuries. EGR1 regulates PeSCs development by modulating BMP signaling through its Znf2 domain and activating these cells via the CTNNB1/WNT10B pathway through its Znf2/3 domains in response to injury. The validation of the findings using human cranial periosteal samples from various developmental stages (embryonic and adult) further supports the results obtained from large animal experiments, providing a solid scientific foundation for the clinical application of AP + cranial periosteal stem cells. Additionally, targeting specific EGR1 domains for in situ activation of PeSCs offers a promising strategy for enhancing bone regeneration.
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Research context

OpenAlex topics: Mesenchymal stem cell research · Fibroblast Growth Factor Research · Tissue Engineering and Regenerative Medicine

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Prosthodontics Peking University School and Hospital of Stomatology Beijing 100081 China

National Center for Stomatology and National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices and Beijing Key Laboratory of Digital Stomatology and National Health Commission Key Laboratory of Digital Technology of Stomatology Beijing 100081 China

Institute of Advanced Clinical Medicine Peking University Beijing 100191 China

Center for Reproductive Medicine State Key Laboratory of Female Fertility Promotion Department of Obstetrics and Gynecology Peking University Third Hospital Beijing 100191 China

National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital) Beijing 100191 China

Department of Neurosurgery Peking University Third Hospital Beijing 100191 China

Department of Pediatrics Cedars‐Sinai Guerin Children's Los Angeles CA 90048 USA

School of Life Sciences Biomedical Pioneering Innovative Center Peking‐Tsinghua Center for Life Sciences Academy for Advanced Interdisciplinary Studies Peking University Beijing China

Funding

National Natural Science Foundation of China · Natural Science Foundation of Beijing Municipality

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