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Assay Drug Dev Technol ; 20(7): 300-316, 2022 10.
Artículo en Inglés | MEDLINE | ID: mdl-36269233

RESUMEN

Propolis is rich in natural bioactive compounds, and considering its importance for many skin therapies, emulgel was prepared. This study examines how a propolis extract (PE) and Passiflora edulis seed (PS) oil emulgel affect rat deep skin wound healing. Based on preset criteria of maximum drug content and optimum drug permeation through the stratum corneum along with drug retention in the skin layers, an optimized emulgel formula based on Box-Behnken factorial design was prepared and used for subsequent in vitro and in vivo evaluations. In vivo wound-healing activities of emulgel and control treatments were investigated in a rat model. The optimized emulgel formula exhibited superior healing activity compared with plain PE suspension-treated rats on day 14 of wounding. Histopathological investigations of hematoxylin and eosin and Masson's Trichrome-stained skin sections supported this effect. Emulgel promotes cutaneous wound healing through a variety of mechanisms, including anti-inflammatory through modulation of cytokines tumor necrosis factor-α, interleukin (IL)-1ß, and IL-6 production, and promotion of collagen fiber formation, all of which contribute to tissue remodeling. Furthermore, when compared with propolis suspension, emulgel showed significant antioxidant and anti-inflammatory effects. Emulgel significantly increased the skin's hydroxyproline level, antioxidant potential, wound contraction, increased penetration, and localized propolis deposition across the skin. Incorporation of PS oil into the emulgel accelerates the tissue regeneration process. The findings suggest that 5% propolis emulgel could be used as an alternative to treat wounds.


Asunto(s)
Passiflora , Própolis , Cicatrización de Heridas , Animales , Ratas , Antiinflamatorios/farmacología , Antioxidantes/farmacología , Colágeno/metabolismo , Colágeno/farmacología , Citocinas/metabolismo , Citocinas/farmacología , Eosina Amarillenta-(YS)/farmacología , Hematoxilina/farmacología , Hidroxiprolina/farmacología , Interleucina-6/farmacología , Passiflora/química , Passiflora/metabolismo , Extractos Vegetales/farmacología , Extractos Vegetales/uso terapéutico , Aceites de Plantas/farmacología , Aceites de Plantas/uso terapéutico , Própolis/farmacología , Própolis/uso terapéutico , Factor de Necrosis Tumoral alfa/farmacología , Cicatrización de Heridas/efectos de los fármacos
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