Hesperedin promotes MyoD-induced myogenic differentiation in vitro and in vivo

被引:14
|
作者
Jeong, Hana [1 ,2 ,3 ]
Lee, Joo Yeon [1 ,2 ,3 ]
Jang, Eun Jung [1 ,2 ,3 ]
Lee, Eun Hye [1 ,2 ,3 ]
Bae, Myung Ae [4 ]
Hong, Jeong-Ho [5 ]
Hwang, Eun Sook [1 ,2 ,3 ]
机构
[1] Ewha Womans Univ, Coll Pharm, Seoul 120750, South Korea
[2] Ewha Womans Univ, Div Life & Pharmaceut Sci, Seoul 120750, South Korea
[3] Ewha Womans Univ, Ctr Cell Signaling & Drug Discovery Res, Seoul 120750, South Korea
[4] Korea Res Inst Chem Technol, Taejon 305606, South Korea
[5] Korea Univ, Sch Life Sci & Biotechnol, Seoul, South Korea
关键词
hesperedin; myogenic differentiation; MyoD; myogenin; MCK; CELL-CYCLE WITHDRAWAL; HEPATOCYTE APO-B; SKELETAL-MUSCLE; OSTEOBLAST DIFFERENTIATION; SIGNALING PATHWAY; NARINGENIN; HESPERIDIN; REGENERATION; FLAVONOIDS; TRANSCRIPTION;
D O I
10.1111/j.1476-5381.2011.01243.x
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
BACKGROUND AND PURPOSE The bioflavonoid, hesperedin, promotes osteoblast differentiation in human mesenchymal stem cells, indicating an anabolic effect of hesperedin on bone metabolism. Murine bone marrow mesenchymal stem cells undergo myogenic differentiation as well as osteogenic differentiation. We therefore explored whether hesperedin modulates muscle cell differentiation. EXPERIMENTAL APPROACH Myoblast C2C12 cells were differentiated into muscle cells in the presence or absence of hesperedin. The effects of hesperedin on myogenic differentiation were determined by analysing specific muscle markers in vitro using reporter gene assays, immunoblotting, RT-PCR and DNA pull-down assays. In vivo, the effects of hesperedin were assessed using the freeze injury-induced muscle regeneration model in mice and daily injections of hesperedin for 6 days. KEY RESULTS Hesperedin promoted myogenic differentiation, in a dose-dependent manner, by increasing myogenin gene expression. MyoD-induced myogenin gene transcription was enhanced by hesperedin, as this bioflavonoid augmented the nuclear localization and myogenin promoter-binding of MyoD. In addition, hesperedin increased myogenin and muscle creatine kinase gene expression during myogenic differentiation from C3H10T1/2 mesenchymal stem cells in a MyoD-dependent manner and accelerated in vivo muscle regeneration induced by muscle injury. CONCLUSIONS AND IMPLICATIONS Our results demonstrate that hesperedin promoted myogenic differentiation in vitro and in vivo through activation of MyoD-mediated myogenin expression, suggesting a beneficial role in promoting muscle regeneration, following injury.
引用
收藏
页码:598 / 608
页数:11
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