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Article Publish Status: FREE
Abstract Title:

Antioxidant Properties of UnripeFruit Extract and Its Protective Effects against Endothelial Oxidative Stress.

Abstract Source:

Evid Based Complement Alternat Med. 2019 ;2019:4912631. Epub 2019 Jun 20. PMID: 31320913

Abstract Author(s):

Wattanased Jarisarapurin, Wariya Sanrattana, Linda Chularojmontri, Khwandow Kunchana, Suvara K Wattanapitayakul

Article Affiliation:

Wattanased Jarisarapurin

Abstract:

It has been proven that high consumption of fruit and vegetable lowers the risks of cardiovascular and other oxidative stress-related diseases. Here we evaluated the effects of a tropical fruit, unripe(UCP), on endothelial protection against oxidative damage induced by HO. The antioxidant properties of UCP were investigated using the assays of FRAP and ORAC and specific ROS scavenging activities (HO, O, OH, HOCl). Cytoprotective property was tested in human endothelial cell line EA.hy926 with respect to cell survival, intracellular ROS levels, antioxidant enzyme activities (CAT, SOD, GPX), survival/stress signaling (AKT, JNK, p38), and nuclear signaling (Nrf2, NF-kB). UCP processed high antioxidant activity and scavenging activity against HO>OH>O>HOCl, respectively. UCP improved cell survival in the milieu of ROS reduction. While SOD was increased by UCP, CAT activity was enhanced when cells were challenged with HO. UCP had no impact on HO-activated AKT, JNK, and p38 signaling but significantly decreased nuclear NF-B levels. The overactivation of Nrf2 in response to oxidative stress was constrained by UCP. In conclusion, UCP protected endothelial cells against oxidative damage through intracellular ROS reduction, enhanced CAT activity, suppression of NF-kB, and prohibition of Nrf2 dysregulation. Thus, UCP might be a candidate for development of nutraceuticals against CVD and oxidative-related diseases and conditions.

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