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Article Publish Status: FREE
Abstract Title:

Olive Leaves and Hibiscus Flowers Extracts-Based Preparation Protect Brain from Oxidative Stress-Induced Injury.

Abstract Source:

Antioxidants (Basel). 2020 Sep 1 ;9(9). Epub 2020 Sep 1. PMID: 32882797

Abstract Author(s):

Elda Chiaino, Matteo Micucci, Sandro Cosconati, Ettore Novellino, Roberta Budriesi, Alberto Chiarini, Maria Frosini

Article Affiliation:

Elda Chiaino

Abstract:

Oxidative stress (OS) arising from tissue redox imbalance, critically contributes to the development of neurodegenerative disorders. Thus, natural compounds, owing to their antioxidant properties, have promising therapeutic potential.(PRES) is a nutraceutical product composed of leaves- and flowers-extracts ofL. andL., respectively, the composition of which has been characterized by HPLC coupled to a UV-Vis and QqQ-Ms detector. As PRES possess antioxidant, antiapoptotic and anti-inflammatory properties, the aim of this study was to assess its neuroprotective effects in human neuroblastoma SH-SY5Y cells and in rat brain slices subjected to OS. PRES (1-50µg/mL) reverted the decrease in viability as well as the increase in sub-diploid-, DAPI-and annexin V-positive-cells, reduced ROS formation, recovered the mitochondrial potential and caspase-3 and 9 activity changes caused by OS. PRES (50-100 µg/mL) neuroprotective effects occurred also in rat brain slices subjected to HOchallenge. Finally, as the neuroprotective potential of PRES is strictly related to its penetration into the brain and a relatively good pharmacokinetic profile, an in-silico prediction of its components drug-like properties was carried out. The present results suggest the possibility of PRES as a nutraceutical, which could help in preventing neurodegenerative diseases.

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