In Vitro Evaluation of the Angiogenic Potential of Plantago Major Extract in Enhancing the Wound-Healing Process

Abstract

Plantago major extracts have demonstrated considerable efficacy in promoting wound healing. However, there is limited research evaluating the angiogenic potential of P. major extract using Matrigel-based assays alongside gene expression analysis of key angiogenic markers such as vascular endothelial growth factor A and vascular endothelial growth factor receptor 2. This study evaluated the angiogenic effects of P. major extracts obtained by several extraction techniques: ultrasound-assisted extraction for leaves and both ultrasound-assisted extraction and maceration for non-leaf components using in vitro human umbilical vein endothelial cells. Aucubin content was analyzed using an HPTLC-densitometer, revealing the highest aucubin content in the non-leaves extract obtained from ultrasound-assisted extraction (16.75%). Furthermore, an in vitro experiment with human umbilical vein endothelial cells was conducted to assess P. major extractʼs effect on cell viability, migration, and the formation of capillary-like structures (tube formation). All extracts maintained cell viability above 80% at concentrations below 250 µg/mL. The leaves extract obtained from ultrasound-assisted extraction at 31.25 µg/mL showed the greatest wound closure (80.29%) and the highest branching length (2756.41 cm). However, gene expression of vascular endothelial growth factor A and vascular endothelial growth factor receptor 2 showed no significant upregulation in the leaves extract obtained from ultrasound-assisted extraction-treated group, and low replication numbers limited some assays. These findings suggest that P. major leaf extract may promote angiogenesis through mechanisms beyond vascular endothelial growth factor signaling, but further studies with higher statistical power and broader mechanistic approaches are warranted.

Keywords

Plantago major - Plantaginaceae - angiogenesis - HUVEC - tube formation - VEGFA/VEGFR-2 signaling pathway

Publikationsverlauf

Eingereicht: 17. April 2025

Angenommen nach Revision: 14. August 2025

Accepted Manuscript online:
19. August 2025

Artikel online veröffentlicht:
08. Oktober 2025

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