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CLC number: R96

On-line Access: 2011-04-06

Received: 2010-10-26

Revision Accepted: 2011-02-20

Crosschecked: 2011-03-09

Cited: 24

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Journal of Zhejiang University SCIENCE B 2011 Vol.12 No.4 P.247-255


Artesunate inhibits growth and induces apoptosis in human osteosarcoma HOS cell line in vitro and in vivo

Author(s):  Qiang Xu, Zhao-xu Li, Hui-qin Peng, Zheng-wang Sun, Rui-lin Cheng, Zhao-ming Ye, Wei-xu Li

Affiliation(s):  Department of Orthopaedics, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China, Department of Medical Microbiology and Parasitology, School of Medicine, Zhejiang University, Hangzhou 310058, China

Corresponding email(s):   liweixu@163.com

Key Words:  Artesunate, Human osteosarcoma HOS cells, Apoptosis, Cell cycle, Nude mice, Chemotherapy

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Qiang Xu, Zhao-xu Li, Hui-qin Peng, Zheng-wang Sun, Rui-lin Cheng, Zhao-ming Ye, Wei-xu Li. Artesunate inhibits growth and induces apoptosis in human osteosarcoma HOS cell line in vitro and in vivo[J]. Journal of Zhejiang University Science B, 2011, 12(4): 247-255.

@article{title="Artesunate inhibits growth and induces apoptosis in human osteosarcoma HOS cell line in vitro and in vivo",
author="Qiang Xu, Zhao-xu Li, Hui-qin Peng, Zheng-wang Sun, Rui-lin Cheng, Zhao-ming Ye, Wei-xu Li",
journal="Journal of Zhejiang University Science B",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Artesunate inhibits growth and induces apoptosis in human osteosarcoma HOS cell line in vitro and in vivo
%A Qiang Xu
%A Zhao-xu Li
%A Hui-qin Peng
%A Zheng-wang Sun
%A Rui-lin Cheng
%A Zhao-ming Ye
%A Wei-xu Li
%J Journal of Zhejiang University SCIENCE B
%V 12
%N 4
%P 247-255
%@ 1673-1581
%D 2011
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.B1000373

T1 - Artesunate inhibits growth and induces apoptosis in human osteosarcoma HOS cell line in vitro and in vivo
A1 - Qiang Xu
A1 - Zhao-xu Li
A1 - Hui-qin Peng
A1 - Zheng-wang Sun
A1 - Rui-lin Cheng
A1 - Zhao-ming Ye
A1 - Wei-xu Li
J0 - Journal of Zhejiang University Science B
VL - 12
IS - 4
SP - 247
EP - 255
%@ 1673-1581
Y1 - 2011
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.B1000373

This paper aims to investigate the effects of artesunate (ART) on growth and apoptosis in human osteosarcoma HOS cell line in vitro and in vivo and to explore the possible underlying mechanisms. Cell viability was measured by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The induction of apoptosis was detected by light and transmission electron microscopy and flow cytometry. Western blot analysis was used to investigate the related mechanisms. nude mice were further employed to investigate the antitumour activity of ART in vivo. MTT assay results demonstrated that ART selectively inhibits the growth of HOS cells in a dose- and time-dependent manner. Based on the findings of light and transmission electron microscopy, Hoechst 33258 staining, and fluorescein isothiocyanate (FITC)-annexin V staining, the cytotoxicity of ART in HOS cells occurs through apoptosis. With ART treatment, cytosolic cytochrome c was increased, Bax expression was gradually upregulated, Bcl-2 expression was downregulated, and caspase-9 and caspase-3 were activated. Thus, the intrinsic apoptotic pathway may be involved in ART-induced apoptosis. cell cycle analysis by flow cytometry indicated that ART may induce cell cycle arrest at G2/M phase. In nude mice bearing HOS xenograft tumours, ART inhibited tumour growth and regulated the expressions of cleaved caspase-3 and survivin, in agreement with in vitro observations. ART has a selective antitumour activity against human osteosarcoma HOS cells, which may be related to its effects on induction of apoptosis via the intrinsic pathway. The results suggest that ART is a promising candidate for the treatment of osteosarcoma.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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