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Molecules 2014, 19(7), 8904-8915; doi:10.3390/molecules19078904

Mulberry Fruit Extract Protects Pancreatic β-Cells against Hydrogen Peroxide-Induced Apoptosis via Antioxidative Activity

1
Department of Bioengineering and Technology, Kangwon National University, Chuncheon 200701, Korea
2
Korea Food Research Institute, Seongnam 463746, Korea
3
Department of Oriental Medicinal Materials and Processing, Kyung Hee University, Youngin 446701, Korea
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 20 May 2014 / Revised: 7 June 2014 / Accepted: 18 June 2014 / Published: 26 June 2014
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Abstract

Among the many environmental stresses, excessive production of reactive oxygen species (ROS) and the ensuring oxidative stress are known to cause significant cellular damage. This has clinical implications in the onset of type 1 diabetes, which is triggered by the destruction of pancreatic β-cells and is associated with oxidative stress. In this study, we investigated the protective and antioxidative effects of mulberry extract (ME) in insulin-producing pancreatic β-cells. We found that ME protects pancreatic β-cells against hydrogen peroxide (H2O2)-induced oxidative stress and the associated apoptotic cell death. ME treatment significantly reduced the levels of H2O2-induced 2-diphenyl-1-picrylhydrazyl (DPPH) radicals, and lipid peroxidation and intracellular ROS accumulation. In addition, ME inhibited DNA condensation and/or fragmentation induced by H2O2. These results suggest that ME protects pancreatic β-cells against hydrogen peroxide-induced oxidative stress. View Full-Text
Keywords: mulberry; oxidative stress; apoptosis; diabetes; pancreatic β-cells mulberry; oxidative stress; apoptosis; diabetes; pancreatic β-cells
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MDPI and ACS Style

Lee, J.S.; Kim, Y.R.; Park, J.M.; Ha, S.-J.; Kim, Y.E.; Baek, N.I.; Hong, E.K. Mulberry Fruit Extract Protects Pancreatic β-Cells against Hydrogen Peroxide-Induced Apoptosis via Antioxidative Activity. Molecules 2014, 19, 8904-8915.

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