Department of Medical Biotechnology and Nanotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
Tissue Cell. 2022 Jun;76:101800. doi: 10.1016/j.tice.2022.101800. Epub 2022 Apr 13.
Plant-derived exosome-like nanoparticles are an emerging trend in plant biology. For the first time, we have isolated and characterized exosomes from Beta vulgaris extract (BEX). The antioxidant capacity, the nitrite, and total phenolic contents of BEX were determined. In vitro angiogenesis assay was used to measure the proangiogenic effects of BEX on endothelial cells. Furthermore, we examined the effects of BEX on migration and gene expression profiles of skin-derived fibroblasts. The anti-cancer effects of BEX were also investigated. The results indicated that BEX had antioxidative and scavenging properties. An increase in angiogenic potential was observed in endothelial cells treated with BEX. Furthermore, BEX treatment modulated the potential of fibroblasts to produce collagen 1/3 and hyaluronan synthase enzyme type 2. In addition, BEX treatment inhibited the migration abilities of fibroblasts. Nevertheless, BEX was not found to negatively affect the viability of cancerous cells at the dosage selected. In conclusion, this study identified novel properties of Beta vulgaris and its exosomes in the promotion of angiogenesis as well as antiaging and anti-scar capacities of fibroblasts. The findings suggest new cosmetic and therapeutic applications for Beta vulgaris.
植物来源的外泌体样纳米颗粒是植物生物学中的一个新兴趋势。我们首次从甜菜提取物(BEX)中分离和鉴定了外泌体。测定了 BEX 的抗氧化能力、亚硝酸盐和总酚含量。体外血管生成试验用于测量 BEX 对内皮细胞的促血管生成作用。此外,我们还研究了 BEX 对皮肤衍生成纤维细胞迁移和基因表达谱的影响。还研究了 BEX 的抗癌作用。结果表明,BEX 具有抗氧化和清除自由基的特性。用 BEX 处理的内皮细胞中观察到血管生成潜力增加。此外,BEX 处理调节了成纤维细胞产生胶原蛋白 1/3 和透明质酸合酶酶型 2 的潜力。此外,BEX 处理抑制了成纤维细胞的迁移能力。然而,在所选择的剂量下,BEX 未被发现对癌细胞的活力产生负面影响。总之,本研究鉴定了甜菜及其外泌体在促进血管生成以及成纤维细胞的抗老化和抗瘢痕形成能力方面的新特性。这些发现为甜菜的新的美容和治疗应用提供了依据。