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MTOR and ROS regulation by anethole on adipogenic differentiation in human mesenchymal stem cells.


ABSTRACT:

Background

Adipocyte differentiation of human mesenchymal stem cells (hMSCs) is dependent on mitochondrial metabolism and reactive oxygen species (ROS) to initiate adipocyte differentiation. Although anethole has been known as an anti-oxidant and lipid peroxidation inhibitor, there is little investigated about its role in adipogenic differentiation.

Methods

The effects on cytotoxicity and proliferation of anethole in hMSCs were measured by the MTT assay. The anti-adipogenic effect of anethole on hMSCs was analyzed by Oil Red O staining and western blot analysis. The anti-oxidant activity of anethole on hMSC was assessed by flowcytometry and fluorescence staining using 2',7' -dichlorofluorescin diacetate (DCFDA). The western blotting was used to detect of phospho-Akt, phospho-mTOR, phospho-p70S6K, PPAR?, and phsopho-AMP-activated kinase (AMPK).

Results

Anethole suppressed the adipogenic differentiation of hMSCs through down-regulation of Akt-mTOR-p70S6K-PPAR? and up-regulation of AMPK. Anethole affected oxidative conditions through ROS generation. Anethole also rescued AMPK activity and reduced activation of mTOR-p70S6K-PPAR? under oxidative conditions in presence of exogenous hydrogen peroxide.

Conclusion

ROS and mTOR regulation is a crucial factor in adipogenic differentiation, anethole has an important role in regulating activities of mTOR/PPAR? and ROS control in adipogenic differentiation of hMSCs.

SUBMITTER: Rhee YH 

PROVIDER: S-EPMC6035441 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature

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Publications

mTOR and ROS regulation by anethole on adipogenic differentiation in human mesenchymal stem cells.

Rhee Yun-Hee YH   Moon Jeong Hwan JH   Mo Ji-Hun JH   Pham Tiffany T   Chung Phil-Sang PS  

BMC cell biology 20180706 1


<h4>Background</h4>Adipocyte differentiation of human mesenchymal stem cells (hMSCs) is dependent on mitochondrial metabolism and reactive oxygen species (ROS) to initiate adipocyte differentiation. Although anethole has been known as an anti-oxidant and lipid peroxidation inhibitor, there is little investigated about its role in adipogenic differentiation.<h4>Methods</h4>The effects on cytotoxicity and proliferation of anethole in hMSCs were measured by the MTT assay. The anti-adipogenic effect  ...[more]

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