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Abstract Title:

Effect of quercetin and resveratrol co-incorporated in liposomes against inflammatory/oxidative response associated with skin cancer.

Abstract Source:

Int J Pharm. 2016 Nov 20 ;513(1-2):153-163. Epub 2016 Aug 5. PMID: 27609664

Abstract Author(s):

Carla Caddeo, Amparo Nacher, Antonio Vassallo, Maria Francesca Armentano, Ramon Pons, Xavier Fernàndez-Busquets, Claudia Carbone, Donatella Valenti, Anna Maria Fadda, Maria Manconi

Article Affiliation:

Carla Caddeo

Abstract:

The present investigation reports the development of liposomes for the co-delivery of naturally occurring polyphenols, namely quercetin and resveratrol. Small, spherical, uni/bilamellar vesicles were produced, as demonstrated by light scattering, cryo-TEM, SAXS. The incorporation of quercetin and resveratrol in liposomes did not affect their intrinsic antioxidant activity, as DPPH radical was almost completely inhibited. The cellular uptake of the polyphenols was higher when they were formulated in liposomes, and especially when co-loaded rather than as single agents, which resulted in a superior ability to scavenge ROS in fibroblasts. The in vivo efficacy of the polyphenols in liposomes was assessed in a mouse model of skin lesion. The topical administration of liposomes led to a remarkable amelioration of the tissue damage, with a significant reduction of oedema and leukocyte infiltration. Therefore, the proposed approach based on polyphenol vesicular formulation may be of value in the treatment of inflammation/oxidative stress associated with pre-cancerous/cancerous skin lesions.

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Sayer Ji
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