Phosvitin-Derived Peptide Pt5-1c Is a Pro-Angiogenic Agent Capable of Enhancing Wound Healing
2025
Cuiling Xuan | Mei Li | Peng Zhang | Yunchao Wang | Hongyan Li | Zhiqin Gao | Shicui Zhang | Fei Wu
Antimicrobial peptides (AMPs) have been shown to have pro-angiogenic activity, capable of enhancing neovascularization and facilitating the healing of chronic wounds. However, information as such remains rather limited. Here we clearly showed that the fish phosvitin-derived AMP Pt5-1c was able to enhance angiogenesis in both murine full-thickness wound models and zebrafish with vascular defects models. We also showed that Pt5-1c was able to promote endothelial cell motility, adhesion, survival, filopodia protrusion, and induce endothelial tube formation. In addition, we found that Pt5-1c could upregulate production of proangiogenic factors including VEGF, PDGF, FGF and EGF. It was revealed that Pt5-1c promoted endothelial cell motility, growth and survival via activation both PI3K/AKT/mTOR and p38 MAPK pathways as well as HIF-1-VEGF axis. It is apparent that Pt5-1c is a novel candidate of pro-angiogenic agents for vascular regenerative therapy.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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