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Abstract Title:

[In vitro screening of 32 traditional Chinese herbal extracts against U2OS human osteosarcoma cells].

Abstract Source:

Nan Fang Yi Ke Da Xue Xue Bao. 2006 Sep;26(9):1293-6. PMID: 16982438

Abstract Author(s):

Jin Wang, Jun-qiang Yin, Jing-nan Shen, Qiang Jia, Gang Huang, Song Jin, Chang-ye Zou

Article Affiliation:

Department of Musculoskeletal Oncology, First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China. wjhf@hotmail.com

Abstract:

OBJECTIVE: To test 32 traditional Chinese medicinal herbs with effects against osteosarcoma in vitro.

METHODS: U(2)OS human osteosarcoma cell line was treated with the extracts of the Chinese herbs at various concentrations. The changes in cell proliferation in response to the treatment were examined by MTT assay, and the effects of these extracts against human osteosarcoma growth were compared. Morphological observation, flow cytometry and Annexin V were employed to detect the cell apoptosis after the treatments.

RESULTS: According to the results of MTT assay, several of the 32 Chinese herbs, especially Venenum Bufonis and oxgall powder, were identified to produce growth inhibition against U(2)OS cells. Further study of the aqueous extracts of Venenum Bufonis and oxgall powder demonstrated their effects in inducing U(2)OS cell apoptosis, and Venenum Bufonis showed the strongest effect. In spite of the obvious growth inhibitory effect of oxgall powder, its extract induced cell apoptosis only at high concentrations.

CONCLUSION: Several of the traditional Chinese herbs, especially Venenum Bufonis and oxgall powder, may inhibit the growth of U(2)OS cell line, and the results of this study pave the way for further identification of the effective components in the herbs that inhibit osteosarcoma growth both in vivo and in vitro.

Study Type : In Vitro Study

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