Strawberry extracts efficiently counteract inflammatory stress induced by the endotoxin lipopolysaccharide in Human Dermal Fibroblast

A protracted pro-inflammatory state is the common denominator in the development, progression and complication of the common chronic diseases. Dietary antioxidants represent an efficient tool to counteract this inflammatory state. The aim of the present work was to evaluate the effects of strawberry...

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Bibliographic Details
Published in:Food and chemical toxicology 2018-04, Vol.114, p.128-140
Main Authors: Gasparrini, Massimiliano, Giampieri, Francesca, Forbes-Hernandez, Tamara Y., Afrin, Sadia, Cianciosi, Danila, Reboredo-Rodriguez, Patricia, Varela-Lopez, Alfonso, Zhang, JiaoJiao, Quiles, Josè L., Mezzetti, Bruno, Bompadre, Stefano, Battino, Maurizio
Format: Article
Language:English
Subjects:
Antioxidant response
Human Dermal Fibroblast
Inflammation
LPS
Oxidative stress
Prevention
Strawberry
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Summary:A protracted pro-inflammatory state is the common denominator in the development, progression and complication of the common chronic diseases. Dietary antioxidants represent an efficient tool to counteract this inflammatory state. The aim of the present work was to evaluate the effects of strawberry extracts on inflammation evoked by E. Coli lipopolysaccharide in Human Dermal Fibroblast, by measuring reactive oxygen species production, apoptosis rate, antioxidant enzymes activity, mitochondria functionality and also investigating the molecular pathway involved in inflammatory and antioxidant response. The results demonstrated that strawberry pre-treatment reduced intracellular reactive oxygen species levels, apoptotic rate, improved antioxidant defences and mitochondria functionality in lipopolysaccharide -treated cells. Strawberry exerted these protective activities through the inhibition of the NF-kB signalling pathway and the stimulation of the Nrf2 pathway, with a mechanism AMPK-dependent. These results confirm the health benefits of strawberry in the prevention of inflammation and oxidative stress condition in lipopolysaccharide-treated cells. [Display omitted] •Strawberry reduces LPS-induced inflammation in Human Dermal Fibroblast.•Strawberry anti-inflammatory role involves the activation of the Nrf2-AMPK pathway.•The NF-kB signalling is downregulated by strawberry treatment.•Plant bioactive compounds could prevent inflammatory and oxidative stress condition.
ISSN:0278-6915
1873-6351
DOI:10.1016/j.fct.2018.02.038