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Network pharmacology was combined with in vivo and in vitro studies to reveal the antihypertension mechanism of Gastrodin. Online databases PharmMapper, OMIM and GeneCards were screened in silico, yielding 151 common targets. After the PPI network was constructed, AKT1, TNF and MMP9 were identified as hub nodes and KEGG enrichment showed that the PI3K/AKT signaling pathway was repeatedly enriched. Experiments found that oral Gastrodin administration for ten consecutive weeks greatly reduced systolic blood pressure (SBP), diastolic blood pressure (DBP) and mean arterial pressure (MAP) in SHRs. Moreover, pulse-wave velocity and thickening of the abdominal aorta were relieved, but body weight was unchanged. Pathological changes of hypertension in vascular tissues were improved.
Gastrodin inhibited the proliferation of AngII-induced vascular smooth muscle cells in vitro, decreasing cell confluence, cell number and CCK-8 absorbance values. In addition, the expression of PCNA proteins was down-regulated by Gastrodinn in a dose-dependent manner. Western blot showed that Gastrodin reduced the protein level of phosphorylated PI3K (p-PI3K) and phosphorylated AKT (p-AKT) without changing the total protein levels.
Fig. 1 Gastrodin suppresses the PI3K/AKT pathway to exert antiproliferative effects. (Shen A.; et al. 2023)
References
Mitochondria-directed Gastrodin nanoconstructs were designed for protection against gastric lesions induced by ethanol. Nanoparticles containing Gastrodin (Gas-NPs) were synthesized by enzymatic reaction and modified with (5-carboxypentyl)(triphenyl)phosphonium bromide (TPP) via an amide linkage to produce GT-NPs. The generated GT-NPs exhibited a spherical structure with a uniform size distribution and excellent loading efficiency.
In vitro studies showed GT-NPs were quickly internalized by human gastric epithelial GES-1 cells, localized in mitochondria, and had enhanced reactive-oxygen-species (ROS) scavenging capacity than gastrodin alone. The gastrodin release kinetics from GT-NPs showed a sustained release pattern in SGF. In a ethanol-induced gastric ulcer mouse model, GT-NPs administered orally decreased the gastric mucosal injury score and oxidative stress levels, inhibited inflammatory cell infiltration and apoptosis.
Fig. 2 Gastrodin-based nanocarrier system for gastric ulcers. (Li Y.; et al. 2025)
References
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