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Alizarin increase glucose uptake through PI3K/Akt signaling and improve alloxan-induced diabetic mice

    Lanting Xu

    National Center for Research & Development of Edible Fungus Processing Technology, Henan University, Kaifeng 475004, China

    Joint International Research Laboratory of Food & Medicine Resource Function, Henan Province, Kaifeng 475004, China

    Authors contributed equally

    Search for more papers by this author

    ,
    Meimei Xing

    National Center for Research & Development of Edible Fungus Processing Technology, Henan University, Kaifeng 475004, China

    Joint International Research Laboratory of Food & Medicine Resource Function, Henan Province, Kaifeng 475004, China

    Authors contributed equally

    Search for more papers by this author

    ,
    Xiaoqing Xu

    Joint International Research Laboratory of Food & Medicine Resource Function, Henan Province, Kaifeng 475004, China

    ,
    Fatma SA Saadeldeen

    Joint International Research Laboratory of Food & Medicine Resource Function, Henan Province, Kaifeng 475004, China

    ,
    Zhenhua Liu

    National Center for Research & Development of Edible Fungus Processing Technology, Henan University, Kaifeng 475004, China

    Joint International Research Laboratory of Food & Medicine Resource Function, Henan Province, Kaifeng 475004, China

    ,
    Jinfeng Wei

    *Authors for correspondence:

    E-mail Address: weijinfeng20112011@hotmail.com

    ;

    E-mail Address: kangweny@hotmail.com

    National Center for Research & Development of Edible Fungus Processing Technology, Henan University, Kaifeng 475004, China

    Joint International Research Laboratory of Food & Medicine Resource Function, Henan Province, Kaifeng 475004, China

    &
    Wenyi Kang

    *Authors for correspondence:

    E-mail Address: weijinfeng20112011@hotmail.com

    ;

    E-mail Address: kangweny@hotmail.com

    National Center for Research & Development of Edible Fungus Processing Technology, Henan University, Kaifeng 475004, China

    Joint International Research Laboratory of Food & Medicine Resource Function, Henan Province, Kaifeng 475004, China

    Published Online:https://doi.org/10.4155/fmc-2018-0515

    Aim: Alizarin (AZ), that can be isolated from Rubia cordifolia, has biological activities such as antioxidation and anti-inflammatory. This study aimed to investigate the effect of AZ on glucose and lipid metabolism disorders in alloxan-induced diabetic mice and also explored the effect of AZ on insulin resistance in 3T3-L1 adipocytes. Results: The research showed that AZ could decrease fasting and postprandial blood glucose, TG, TC and MDA, and it could also increase liver glycogen levels and SOD activity in diabetic mice. AZ could significantly improve the glucose uptake of 3T3-L1 adipocytes under insulin resistance, and could also increase GLUT4 protein expression levels, IRS-1 and Akt protein phosphorylation. Conclusion: These results showed that AZ has the potential to reduce blood sugar and improve insulin resistance.

    Papers of special note have been highlighted as: • of interest; •• of considerable interest

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