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Plasma-polymerized pericyte patches improve healing of murine wounds through increased angiogenesis and reduced inflammation

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Regenerative Biomaterials 2021年第4期8卷 21-32页

作者： Hannah M.Thomas Parinaz Ahangar Robert Fitridge Giles T.S.Kirby Stuart J.Mills Allison J.Cowin Future Industries Institute University of South AustraliaMawson Lakes SA 5095Australia Cell Therapy Manufacturing Cooperative Research Centre Adelaide SA 5000Australia Faculty of Health and Medical Sciences University of AdelaideAdelaide SA 5005Australia

Pericytes have the potential to be developed as a cell therapy for the treatment of wounds;however,the efficacy of any cell therapy relies on the successful delivery of intact and functioning ***,the effect of delivering pericytes on wound repair was assessed alongside the development of a surface-functionalized pericyte *** polymerization(PP)was used to functionalize the surface of silicone patches with heptylamine(HA)or acrylic acid(AA)*** pericytes were subsequently delivered to murine excisional wounds by intradermal injection or using the pericyte-laden patches and the comparative effects on wound healing,inflammation and revascularization *** AA surface provided the superior transfer of the cells to de-epidermized *** murine wounds treated either with pericytes injected directly into the wound or with the pericyte-laden AA patches showed improved healing with decreased neutrophil infiltration and reduced numbers of macrophages in the *** delivery also enhanced angiogenesis through a mechanism independent of VEGF ***,when delivered to wounds,improved healing responses by dampening inflammation and promoting *** of pericytes using PP-AA-functionalized patches was equally as effective as direct injection of pericytes into ***-functionalized dressings may therefore be a clinically relevant approach for the treatment of wounds.

关键词： pericytes cell therapy wound healing plasma polymerization advanced surfaces

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