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- W4280492273 abstract "BACKGROUND The development of artificial dermis provides a new therapeutic method for full-thickness skin defects. However, the slow regeneration of blood vessels in the wound site still cannot be solved perfectly. In our study, we combined platelet-rich plasma (PRP) with Lando® artificial dermal scaffold to promote vascular regeneration and wound healing in pigs. MATERIAL AND METHODS First, PRP was compounded with the artificial dermal scaffold. Then, this material was co-cultured with human vascular endothelial cells (HUVECs) and the growth and proliferation of HUVECs were assessed. Bama miniature pigs wound models were fabricated, the materials were transplanted into the skin defect, and wound healing and blood vessel regeneration were assessed by HE staining and CD31 immunohistochemistry. RESULTS Scanning electron microscopy (SEM) showed that PRP formed round particles on the surface of the artificial dermis material. Cell co-culture experiments showed that the PRP composite artificial dermal scaffold can promote the growth and proliferation of HUVECs. CCK8 experiments demonstrated that the number of cells in the PRP composites group on days 2, 3, 4, and 5 was higher than that in the material alone group (P<0.01). The results of animal experiments showed that PRP composite artificial dermal material can promote wound healing. Histological staining and immunohistochemical staining indicated that the PRP composites group promoted epithelial tissue thickening and blood vessel regeneration in wounds (P<0.001). CONCLUSIONS Our experimental results showed that the artificial dermal scaffold loaded with platelet-rich plasma can promote the revascularization of wounds and accelerated wound healing." @default.
- W4280492273 created "2022-05-22" @default.
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- W4280492273 date "2022-05-17" @default.
- W4280492273 modified "2023-09-27" @default.
- W4280492273 title "Artificial Dermal Scaffold Loaded with Platelet-Rich Plasma Promotes Wound Healing in Pigs by Favoring Angiogenesis" @default.
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- W4280492273 doi "https://doi.org/10.12659/msm.936186" @default.
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