Targeting JAG1 in Epithelial Cells Reduces Periodontal Inflammation
Author Information
Author(s): Kuang Shuhong, Yang Jiayu, Shen Zongshan, Xia Juan, Lin Zhengmei
Primary Institution: Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
Hypothesis
This study aims to develop precise strategies to protect the gingival mucosal barrier by comparing cellular mechanisms involved in periodontitis between humans and mice.
Conclusion
Inhibiting JAG1 in epithelial cells reduces inflammation and alveolar bone loss in periodontitis.
Supporting Evidence
- Single-cell RNA sequencing revealed conserved and divergent features in cellular landscapes between humans and mice.
- Targeting the JAG1–NOTCH2 axis effectively reduced periodontal inflammation and alveolar bone loss.
- Validation through animal experiments showed that JAG1 inhibition mitigates periodontitis.
Takeaway
The study found that a specific protein called JAG1 can help control inflammation in the gums, which is important for preventing tooth loss.
Methodology
The study utilized single-cell RNA sequencing, spatial transcriptomics, and spatial proteomics to analyze mucosal samples from humans and mice.
Potential Biases
The reliance on mouse models may not fully translate to human disease due to species-specific differences.
Limitations
The ligature-induced periodontitis model may not fully replicate the chronic nature of human periodontitis.
Participant Demographics
Human samples were collected from patients undergoing tooth extractions, while mouse samples were from C57BL/6J mice.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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