Mechanism of Compound Huangbai Liquid liniment in promoting wound tissue healing in diabetic foot ulcer model rats based on AGEs-bFGF cross-linking pathway
|更新时间:2025-07-07
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Mechanism of Compound Huangbai Liquid liniment in promoting wound tissue healing in diabetic foot ulcer model rats based on AGEs-bFGF cross-linking pathway
Beijing Journal of Traditional Chinese MedicineVol. 44, Issue 5, Pages: 548-556(2025)
SAI Xulin,LI Youshan,YANG Jianfeng,et al.Mechanism of Compound Huangbai Liquid liniment in promoting wound tissue healing in diabetic foot ulcer model rats based on AGEs-bFGF cross-linking pathway[J]. Beijing Journal of Traditional Chinese Medicine,2025,44(05):548-556.
SAI Xulin,LI Youshan,YANG Jianfeng,et al.Mechanism of Compound Huangbai Liquid liniment in promoting wound tissue healing in diabetic foot ulcer model rats based on AGEs-bFGF cross-linking pathway[J]. Beijing Journal of Traditional Chinese Medicine,2025,44(05):548-556. DOI: 10.16025/j.1674-1307.2025.05.003.
Mechanism of Compound Huangbai Liquid liniment in promoting wound tissue healing in diabetic foot ulcer model rats based on AGEs-bFGF cross-linking pathway
promotes the healing of diabetic foot ulcer (DFU) wounds in rats based on the advanced glycation end products (AGEs)/basic fibroblast growth factor (bFGF) signaling pathway.
Methods
2
SPF-grade male rats were randomly divided using a random number table into five groups: blank group, model group, growth factor group,
Compound Huangbai Liquid
group, and growth factor +
Compound Huangbai Liquid
group. Except for the blank group, all rats were fed a high-sugar, high-fat diet and received an intraperitoneal injection of streptozotocin (STZ) to establish diabetes and DFU models. The corresponding treatments were administered, and tissue samples were collected from 80 rats. Wound healing rates were compared on days 7 and 14 after DFU modeling. Histopathological changes in wound tissues were observed using hematoxylin-eosin (HE) and Masson staining. Immunofluorescence was used to detect the expression of bFGF, fibroblast growth factor receptor (FGFR), and proliferating cell nuclear antigen (PCNA) in wound tissues. Enzyme-linked immunosorbent assay (ELISA) was employed to measure the levels of vascular endothelial growth factor (VEGF), bFGF, and factors related to the AGEs-RAGE signaling pathway in wound skin tissue.
Results
2
On days 7 and 14, compared with the blank group, the model group showed significantly lower wound healing rates (
P
<
0.05). Compared with the model group, the
Compound Huangbai Liquid
group, growth factor group, and combination group all exhibited significantly higher wound healing rates (
P
<
0.05). ELISA results showed that levels of AGEs and RAGE in wound skin tissue were significantly decreased (
P
<
0.05), while VEGF and bFGF levels were significantly increased (
P
<
0.05). Immunofluorescence revealed significantly increased expression of bFGF, FGFR, and PCNA in all treatment groups (
P
<
0.05). Histological analysis showed that all treatment groups promoted new epidermis formation and collagen fiber deposition, reduced inflammatory cell infiltration, and accelerated ulcer healing.
Conclusion
2
Compound Huangbai Liquid
can promote angiogenesis and accelerate wound repair and healing in DFU rats by inhibiting the AGEs-bFGF crosslinking pathway and regulating the expression of VEGF, bFGF, PCNA, and FGFR in the wound.
关键词
Keywords
references
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