scholarly journals The novel anti-oestrogen idoxifene inhibits the growth of human MCF-7 breast cancer xenografts and reduces the frequency of acquired anti-oestrogen resistance

1997 ◽  
Vol 75 (6) ◽  
pp. 804-809 ◽  
Author(s):  
SRD Johnston ◽  
S Riddler ◽  
BP Haynes ◽  
R A'Hern ◽  
IE Smith ◽  
...  
2011 ◽  
Vol 2 (3) ◽  
pp. 190-202 ◽  
Author(s):  
Srilatha Swami ◽  
Aruna V. Krishnan ◽  
Jennifer Y. Wang ◽  
Kristin Jensen ◽  
Lihong Peng ◽  
...  

2008 ◽  
Vol 118 (1) ◽  
pp. 33-43 ◽  
Author(s):  
Zengshan Li ◽  
Latonya Carrier ◽  
Aditi Belame ◽  
Arunthavarani Thiyagarajah ◽  
Virgilio A. Salvo ◽  
...  

2014 ◽  
Vol 31 (6) ◽  
pp. 2735-2742 ◽  
Author(s):  
XIN JIAN FANG ◽  
HUA JIANG ◽  
YA QUN ZHU ◽  
LI YUAN ZHANG ◽  
QIU HONG FAN ◽  
...  

2021 ◽  
Vol 2021 ◽  
pp. 1-9
Author(s):  
Verisa Chowjarean ◽  
Kamala Sadabpod

Background/Aim. Grammatophyllum speciosum Blume exhibits various promising pharmacological activities. However, its effect on breast cancer has not been determined. Materials and Methods. The antiproliferation effects of the G. speciosum pseudobulb ethanolic extract (GSE) and isovitexin (bioactive constituent) were investigated on the MCF-7 human breast cancer cell line using MTT and colony formation assay. The expression levels of proliferation-regulatory proteins were determined by western blotting. Results. Noncytotoxic concentrations of GSE significantly suppressed the proliferation of MCF-7 cells. Tumor colony formation decreased in both number and size. The level of phosphorylated AKT and β-catenin was suppressed by GSE treatment. Antiproliferation was observed in isovitexin-treated MCF-7 cells in the form of inhibited colony formation and reduced expression of phosphorylated AKT and β-catenin protein. Conclusions. This study demonstrates the novel effect of G. speciosum as an antiproliferative via suppression of the AKT/β-catenin-dependent pathway. This may prompt further investigation of this plant in breast cancer therapy.


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