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The Role of Type H Vessels in Oral Diseases
Hengyuan Liu1, Zuping Wu1, Ruifeng Song1
1Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China.
Objective:
This review aims to elucidate the biological significance of Type H vessels, a specialized bone marrow vascular subtype characterized by high expression of endothelial mucin (Emcn) and PECAM-1/CD31, and their critical role in coupling angiogenesis with osteogenesis. We also discuss their therapeutic potential in craniomaxillofacial trauma and alveolar bone loss.
Methods:
This is a narrative review. we identified relevant studies by searching PubMed (MEDLINE) and Web of Science using combinations of keywords related to CD31/Endomucin (Type H Vessels), angiogenic-osteogenic coupling, and oral/craniofacial conditions, and by screening reference lists of key articles.
Results:
The central role of Type H Vessels in skeletal biology underscores therapeutic promise for mitigating bone loss in periodontitis and other oral pathologies.
Conclusions:
Type H Vessels are emerging regulators of angiogenic-osteogenic coupling in skeletal tissues. Although bone and craniofacial tissues are similar and craniofacial evidence is growing, It remains less extensive than long-bone mechanistic studies; therefore, translational strategies in oral medicine should be interpreted in light of this evidence gap. This review consolidates mechanistic and clinical evidence, proposing novel strategies to harness the angiogenic-osteogenic coupling for oral rehabilitation of bone-destructive diseases. Future research should explore precise modulation of Type H Vessels to optimize therapeutic outcomes.
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