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Article Publish Status: FREE
Abstract Title:

Curcumin, demethoxycurcumin, and bisdemethoxycurcumin induced caspase-dependent and -independent apoptosis via Smad or Akt signaling pathways in HOS cells.

Abstract Source:

BMC Complement Med Ther. 2020 Mar 3 ;20(1):68. Epub 2020 Mar 3. PMID: 32126993

Abstract Author(s):

Cheng Huang, Hsu-Feng Lu, Yu-Hsuan Chen, Jui-Chieh Chen, Wen-Hsiang Chou, Hsiu-Chen Huang

Article Affiliation:

Cheng Huang

Abstract:

BACKGROUND: Osteosarcoma is the most common primary malignant bone tumor in children and adolescents and has also been associated with a high degree of malignancy and enhanced metastatic capacity. Curcumin (CUR) is well known for its anti-osteosarcoma activity. However, both demethoxycurcumin (DMC), and bisdemethoxycurcumin (BDMC) are natural curcumin analogues/congeners from turmeric whose role in osteosarcoma development remains unknown.

METHODS: To evaluate the growth inhibitory effects of CUR, DMC and BDMC on osteosarcoma (HOS and U2OS), breast (MDA-MB-231), and melanoma (A2058) cancer cells, we employed the MTT assay, annexin V-FITC /7-AAD staining, and clonogenic assay.

RESULTS: CUR,DMC, and BDMC all decreased the viability of HOS, U2OS, MDA-MB-231, and A2058 cancer cells. Additionally, CUR,DMC, and BDMC induced the apoptosis of HOS cells through activation of Smad 2/3 or repression of Akt signaling pathway. Furthermore, the combination of CUR,DMC, and BDMC synergistically reduced cell viability, colony formation and increased apoptosis than either two or a single agent in HOS cells.

CONCLUSIONS: The combination of these three compounds could be used as a novel target for the treatment of osteosarcoma.

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Sayer Ji
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