SBF-1 preferentially inhibits growth of highly malignant human liposarcoma cells

Frequent local recurrence and metastasis are generally involved in human liposarcoma, but the management is a challenge. There is an urgent need for improved effective therapy. In the present study, we reported that SBF-1, a steroidal glycoside, inhibited the growth of cultured highly malignant huma...

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Main Authors: Wei Chen (Author), Xuelong Qian (Author), Yue Hu (Author), Wei Jin (Author), Yunlong Shan (Author), Xianying Fang (Author), Yang Sun (Author), Biao Yu (Author), Qiong Luo (Author), Qiang Xu (Author)
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Published: Elsevier, 2018-12-01T00:00:00Z.
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100 1 0 |a Wei Chen  |e author 
700 1 0 |a Xuelong Qian  |e author 
700 1 0 |a Yue Hu  |e author 
700 1 0 |a Wei Jin  |e author 
700 1 0 |a Yunlong Shan  |e author 
700 1 0 |a Xianying Fang  |e author 
700 1 0 |a Yang Sun  |e author 
700 1 0 |a Biao Yu  |e author 
700 1 0 |a Qiong Luo  |e author 
700 1 0 |a Qiang Xu  |e author 
245 0 0 |a SBF-1 preferentially inhibits growth of highly malignant human liposarcoma cells 
260 |b Elsevier,   |c 2018-12-01T00:00:00Z. 
500 |a 1347-8613 
500 |a 10.1016/j.jphs.2018.10.009 
520 |a Frequent local recurrence and metastasis are generally involved in human liposarcoma, but the management is a challenge. There is an urgent need for improved effective therapy. In the present study, we reported that SBF-1, a steroidal glycoside, inhibited the growth of cultured highly malignant human liposarcoma SW872-S cells in vitro and in vivo. SBF-1 down-regulated the phosphorylation of protein kinase B (AKT) and thus reduced cell adhesion to fibronectin and laminin. Then we found that SBF-1 inhibited the expression of oxysterol binding protein (OSBP) in SW872-S cells, indicating that OSBP may be involved in malignant liposarcoma cell survival. Cancer cell growth and AKT phosphorylation were inhibited significantly upon knockdown of OSBP in SW872-S cells in vitro. Taken together, these results suggest that SBF-1 causes an apparent loss of OSBP function in SW872-S cells, resulting in growth inhibition. Based on our findings, OSBP serves as a potential therapeutic target for human liposarcoma. Keywords: SBF-1, Malignant liposarcoma, SW872-S 
546 |a EN 
690 |a Therapeutics. Pharmacology 
690 |a RM1-950 
655 7 |a article  |2 local 
786 0 |n Journal of Pharmacological Sciences, Vol 138, Iss 4, Pp 271-278 (2018) 
787 0 |n http://www.sciencedirect.com/science/article/pii/S1347861318301956 
787 0 |n https://doaj.org/toc/1347-8613 
856 4 1 |u https://doaj.org/article/2251ca39b2f64aa2bc01a7c95dc7b9cd  |z Connect to this object online.