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Dietary Lycium barbarum Polysaccharide Induces Nrf2ARE Pathway and Ameliorates Insulin Resistance Induced by High-Fat via Activation of PI3KAKT Signaling
المؤلفون المشاركون
Li, Yan
Gao, Ling
Zhao, Jiajun
Li, Wang
Yang, Yi
Wang, Qing
المصدر
Oxidative Medicine and Cellular Longevity
العدد
المجلد 2014، العدد 2014 (31 ديسمبر/كانون الأول 2014)، ص ص. 1-10، 10ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2014-06-19
دولة النشر
مصر
عدد الصفحات
10
التخصصات الرئيسية
الملخص EN
Lycium barbarum polysaccharide (LBP), an antioxidant from wolfberry, displays the antioxidative and anti-inflammatory effects on experimental models of insulin resistance in vivo.
However, the effective mechanism of LBP on high-fat diet-induced insulin resistance is still unknown.
The objective of the study was to investigate the mechanism involved in LBP-mediated phosphatidylinositol 3-kinase (PI3K)/AKT/Nrf2 axis against high-fat-induced insulin resistance.
HepG2 cells were incubated with LBP for 12 hrs in the presence of palmitate.
C57BL/6J mice were fed a high-fat diet supplemented with LBP for 24 weeks.
We analyzed the expression of nuclear factor-E2-related factor 2 (Nrf2), Jun N-terminal kinases (JNK), and glycogen synthase kinase 3β (GSK3β) involved in insulin signaling pathway in vivo and in vitro.
First, LBP significantly induced phosphorylation of Nrf2 through PI3K/AKT signaling.
Second, LBP obviously increased detoxification and antioxidant enzymes expression and reduced reactive oxygen species (ROS) levels via PI3K/AKT/Nrf2 axis.
Third, LBP also regulated phosphorylation levels of GSK3β and JNK through PI3K/AKT signaling.
Finally, LBP significantly reversed glycolytic and gluconeogenic genes expression via the activation of Nrf2-mediated cytoprotective effects.
In summary, LBP is novel antioxidant against insulin resistance induced by high-fat diet via activation of PI3K/AKT/Nrf2 pathway.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Yang, Yi& Li, Wang& Li, Yan& Wang, Qing& Gao, Ling& Zhao, Jiajun. 2014. Dietary Lycium barbarum Polysaccharide Induces Nrf2ARE Pathway and Ameliorates Insulin Resistance Induced by High-Fat via Activation of PI3KAKT Signaling. Oxidative Medicine and Cellular Longevity،Vol. 2014, no. 2014, pp.1-10.
https://search.emarefa.net/detail/BIM-1046932
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Yang, Yi…[et al.]. Dietary Lycium barbarum Polysaccharide Induces Nrf2ARE Pathway and Ameliorates Insulin Resistance Induced by High-Fat via Activation of PI3KAKT Signaling. Oxidative Medicine and Cellular Longevity No. 2014 (Dec. 2014), pp.1-10.
https://search.emarefa.net/detail/BIM-1046932
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Yang, Yi& Li, Wang& Li, Yan& Wang, Qing& Gao, Ling& Zhao, Jiajun. Dietary Lycium barbarum Polysaccharide Induces Nrf2ARE Pathway and Ameliorates Insulin Resistance Induced by High-Fat via Activation of PI3KAKT Signaling. Oxidative Medicine and Cellular Longevity. 2014. Vol. 2014, no. 2014, pp.1-10.
https://search.emarefa.net/detail/BIM-1046932
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1046932
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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