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Depression: 21st Century Solutions + The Dark Side of Wheat

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Abstract Title:

The blueberry component pterostilbene has potent anti-myeloma activity in bortezomib-resistant cells.

Abstract Source:

Oncol Rep. 2017 Jul ;38(1):488-496. Epub 2017 May 30. PMID: 28560392

Abstract Author(s):

Gege Chen, Zhijian Xu, Gaomei Chang, Jun Hou, Liangning Hu, Yiwen Zhang, Dandan Yu, Bo Li, Shuaikang Chang, Yongsheng Xie, Yong Zhang, Rong Wei, Huiqun Wu, Wenqin Xiao, Xi Sun, Yi Tao, Lu Gao, Bojie Dai, Jumei Shi, Weiliang Zhu

Article Affiliation:

Gege Chen

Abstract:

Multiple myeloma (MM) is an incurable hematologic malignancy because of its drug resistance. Pterostilbene (Pter) is found mainly in blueberries and grapes. The effects of Pter and its exact pharmacologic mechanisms on chemoresistant myeloma are not known. Herein, we investigated the anti-myeloma activity of Pter in bortezomib-resistant cell line H929R and explored the related mechanism of action for the first time. We found that Pter inhibited proliferation of H929R cells and promoted apoptosis of the cells through a caspase-dependent pathway, loss of mitochondrial membrane potential, and activation of Akt and p38 mitogen-activated protein kinase (MAPK) signaling pathways. DNA damage and S-phase arrest might be involved in Pter-related toxicity in H929R cells. Pter and the histone deacetylase inhibitors panobinostat or vorinostat inhibited proliferation of H929R cells in a synergistic manner. These data supported that Pter might be a promising natural compound for relapsed/refractory myeloma therapy, especially against myeloma resistant to bortezomib chemotherapy.

Study Type : In Vitro Study

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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