Chrysanthemum zawadskii extract protects osteoblastic cells from highly reducing sugar-induced oxidative damage

  • Authors:
    • Kwang Sik Suh
    • Sang Youl Rhee
    • Woon Won Jung
    • Nam Jae Kim
    • Young Pyo Jang
    • Hye Jin Kim
    • Min Kyoung Kim
    • Young Kil Choi
    • Young Seol Kim
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  • Published online on: May 8, 2013     https://doi.org/10.3892/ijmm.2013.1371
  • Pages: 241-250
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Abstract

In this study, Chrysanthemum zawadskii extract (CZE) was investigated to determine its effects on 2-deoxy-D-ribose (dRib)-induced oxidative damage and cellular dysfunction in the MC3T3-E1 mouse osteoblastic cell line. Osteoblastic cells were treated with the highly reducing sugar, dRib, in the presence or absence of CZE. Cell viability, apoptosis and reactive oxygen species (ROS) production were subsequently examined. It was observed that dRib reduced cell survival, while it markedly increased the intracellular levels of ROS and apoptosis. However, pre-treatment of the cells with CZE attenuated all the dRib-induced effects. The antioxidant, N-acetyl-L-cysteine (NAC), also prevented dRib-induced oxidative cell damage. In addition, treatment with CZE resulted in a significant increase in alkaline phosphatase (ALP) activity and collagen content, as well as in the expression of genes associated with osteoblast differentiation [ALP, collagen, osteopontin (OPN), osteoprotegerin (OPG), bone sialoprotein (BSP), osteocalcin (OC) and bone morphogenetic protein (BMP)2, BMP4 and BMP7]. In mechanistic studies of the antioxidative potential of CZE, we found that CZE reversed the dRib-induced decrease in the expression of phosphatidylinositol 3-kinase (PI3K) and protein kinase B (AKT)1 and AKT2 genes, which are master regulators of survival-related signaling pathways. CZE also upregulated the gene expression of the antioxidant enzymes, superoxide dismutase (SOD)2, SOD3 and glutathione peroxidase 4 (GPx4), which was inhibited by dRib. Taken together, these results suggest that CZE attenuates dRib-induced cell damage in osteoblastic cells and may be useful for the treatment of diabetes-associated bone disease.
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July 2013
Volume 32 Issue 1

Print ISSN: 1107-3756
Online ISSN:1791-244X

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Spandidos Publications style
Suh KS, Rhee SY, Jung WW, Kim NJ, Jang YP, Kim HJ, Kim MK, Choi YK and Kim YS: Chrysanthemum zawadskii extract protects osteoblastic cells from highly reducing sugar-induced oxidative damage. Int J Mol Med 32: 241-250, 2013
APA
Suh, K.S., Rhee, S.Y., Jung, W.W., Kim, N.J., Jang, Y.P., Kim, H.J. ... Kim, Y.S. (2013). Chrysanthemum zawadskii extract protects osteoblastic cells from highly reducing sugar-induced oxidative damage. International Journal of Molecular Medicine, 32, 241-250. https://doi.org/10.3892/ijmm.2013.1371
MLA
Suh, K. S., Rhee, S. Y., Jung, W. W., Kim, N. J., Jang, Y. P., Kim, H. J., Kim, M. K., Choi, Y. K., Kim, Y. S."Chrysanthemum zawadskii extract protects osteoblastic cells from highly reducing sugar-induced oxidative damage". International Journal of Molecular Medicine 32.1 (2013): 241-250.
Chicago
Suh, K. S., Rhee, S. Y., Jung, W. W., Kim, N. J., Jang, Y. P., Kim, H. J., Kim, M. K., Choi, Y. K., Kim, Y. S."Chrysanthemum zawadskii extract protects osteoblastic cells from highly reducing sugar-induced oxidative damage". International Journal of Molecular Medicine 32, no. 1 (2013): 241-250. https://doi.org/10.3892/ijmm.2013.1371