Zhu Zhihan, Zhu Xinghua, Miao Shichen, Wang Bolin, Li Zihan, Zhang Dinghao, Zou Shentian, Zhang Yi, Zhang Qingrong, Hu Kesu
Department of Burn and Plastic Surgery, Medical School of Nantong University, Nantong, 226000, Jiangsu, China.
Department of Burn and Plastic Surgery, The First People's Hospital of Changzhou, Jiangsu, 213000, China.
Sci Rep. 2025 Jan 22;15(1):2756. doi: 10.1038/s41598-025-86716-2.
Hepatocyte growth factor (HGF) is a substance that stimulates the proliferation of hepatocytes which promote healing. We developed a macrophage membrane-encapsulated nanosphere drug delivery system containing HGF for the study of burn wound healing. Twenty-seven Sprague-Dawley rats were randomly divided into three groups: a saline control (NS) group, an engineered macrophage membrane-encapsulated nanospheres (ETMM@NPS) group, and an engineered macrophage membrane-encapsulated nanospheres treatment with HGF-loaded gene (HGF@ETMM@NPS) group.The wound tissue sections were examined histologically using hematoxylin and eosin (H&E) and Masson trichrome staining. Immunohistochemistry and Western blotting were performed to determine the expression of relevant proteins. The wound-healing, blood flow and complete epithelialization rates were significantly better in the HGF@ETMM@NPS group compared to the NS and ETMM@NPS groups. Expression of B-cell lymphoma 2-associated X-protein was significantly lower, and B-cell lymphoma 2, cluster of differentiation 31, HGF, alpha smooth muscle actin, and PCNA expression was significantly higher in the HGF@ETMM@NPS group compared with the other two groups. PCNA and HGF expression was significantly up-regulated in the HGF@ETMM@NPS group. The HGF@ETMM@NPS complex drug delivery system used in this research promoted wound healing via effective delivery of HGF to burn wounds, thereby accelerating skin cell growth and migration.
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