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학술논문

Paeonol accelerates skin wound healing by regulating macrophage polarization and inflammation in diabetic rats

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영문명
발행기관
대한생리학회-대한약리학회
저자명
Zuyang Zhang Tianhua Chen Wei Liu Jiepeng Xiong Liangdong Jiang Mingjiang Liu
간행물 정보
『The Korean Journal of Physiology & Pharmacology』제27권 제5호, 437~448쪽, 전체 12쪽
주제분류
의약학 > 의학일반
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발행일자
2023.09.30
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국문 초록

영문 초록

Diabetic ulcer is usually seen in people with uncontrolled blood sugar. Reportedly, many factors such as impaired glucose metabolism, and macrovascular and microvascular diseases caused angiogenesis disorders and delayed the heal-ing of diabetic ulcers, thus affecting the body's metabolism, nutrition, and immune function. This study aimed to explore the effect of paeonol on skin wound healing in diabetic rats and the related mechanism. A rat model of diabetic ulcer was estab-lished. High glucose-treated mouse skin fibroblasts were co-cultured with M1 or M2-polarized macrophages treated with or without paeonol. H&E and Masson staining were used to reveal inflammatory cell infiltration and collagen deposition, respec-tively. Immunohistochemistry visualized the expression of Ki67, CD31, and vascular endothelial growth factor (VEGF). Western blot was used to detect interleukin (IL)-1β, tumor necrosis factor (TNF)-α, IL-4, IL-10, CD31, VEGFA, and collagen I/III. The expres-sion of iNOS and arginase 1 was revealed by immunofluorescence staining. Paeonol treatment augmented collagen deposition and the expression of Ki67, CD31, VEGF, and macrophage M2 polarization markers (IL-4 and IL-10) and reduced wound area, inflammatory cell infiltration, and macrophage M1 polarization markers (IL-1β and TNF-α) in the ulcerated area. In vitro, paeonol treatment promoted M2-polarization and repressed M1-polarization in macrophages, thereby improving the repair of cell damage induced by high glucose. Paeonol accelerates the healing of diabetic ulcers by promoting M2 macrophage polarization and inhibiting M1 macrophage polariza-tion.

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INTRODUCTION
METHODS
RESULTS
DISCUSSION
FUNDING
ACKNOWLEDGEMENTS
CONFLICTS OF INTEREST
SUPPLEMENTARY MATERIALS
REFERENCES

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APA

Zuyang Zhang,Tianhua Chen,Wei Liu,Jiepeng Xiong,Liangdong Jiang,Mingjiang Liu. (2023).Paeonol accelerates skin wound healing by regulating macrophage polarization and inflammation in diabetic rats. The Korean Journal of Physiology & Pharmacology, 27 (5), 437-448

MLA

Zuyang Zhang,Tianhua Chen,Wei Liu,Jiepeng Xiong,Liangdong Jiang,Mingjiang Liu. "Paeonol accelerates skin wound healing by regulating macrophage polarization and inflammation in diabetic rats." The Korean Journal of Physiology & Pharmacology, 27.5(2023): 437-448

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