Inhibition of oxidative stress, IL-13, and WNT/β-catenin in ovalbumin-sensitized rats by a novel organogel of Punica granatum seed oil saponifiable fraction - 10/09/22
Abstract |
Bronchial asthma is a chronic inflammatory disease marked by inflammation, oxidative stress, and structural remodeling. Here, we prepared two pomegranate fractions from the seed oil, saponifiable (Sap) and unsaponifiable (UnSap). Two organogels (Orgs) were also formulated with the Sap (Org1) or the UnSap (Org2) fraction and beeswax (BW). All preparations were evaluated in vitro for their antioxidant and anti-inflammatory impacts. The transdermal delivery of the most efficient one was evaluated against ovalbumin (OV)-induced bronchial asthma in rats compared to dexamethasone (DEX). The results showed that the prepared pomegranate fractions and BW had considerable amounts of phenolics (flavonoids and tannins) and triterpenoids. Org1 was shown to be the most effective antioxidant and anti-inflammatory fraction with synergistic activities (combination index, 1), as well as having protective and therapeutic influences on OV-sensitized rats. Org1 inhibited the multiple OV-induced signaling pathways, comprising ROS, WNT/β-catenin, and AKT, with an efficiency superior to DEX. Subsequently, the pro-inflammatory (COX-2, NO, and IL-13), and pro-fibrotic (COL1A1) mediators, oxidative stress, and mucin secretion, were all down-regulated. These outcomes were verified by the histopathological results of lung tissue. Collectively, these outcomes suggest that the transdermal delivery of Org1 to OV-sensitized rats shows promise in the protection and treatment of the pathological hallmarks of asthma.
Le texte complet de cet article est disponible en PDF.Graphical Abstract |
Highlights |
• | Organogel (Org1) consists of pomegranate seed oil saponifiable-fraction and beeswax. |
• | Org1 had potent in vitro antioxidant and anti-inflammatory activities. |
• | Org1 was applied to rats via a transdermal delivery system. |
• | Org1 protected and treated rats from ovalbumin-induced bronchial asthma. |
• | Org1 had superior antiasthmatic potency to dexamethasone. |
Keywords : Bronchial asthma, Pomegranate organogel, Oxidative stress, IL-13, WNT/β-catenin
Plan
Vol 154
Article 113667- octobre 2022 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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