نتایج جستجو برای: t47d
تعداد نتایج: 1129 فیلتر نتایج به سال:
Erianin is a natural product extracted from Dendrobiumchrysotoxum. To investigate the antitumor activity of Erianin in estrogen receptor (ER) positive breast cancer, we treated T47D cells with Erianin and evaluated the effects of Erianin treatment on multiple cancer-associated pathways. Erianin inhibited the proliferation of T47D cells effectively. Erianin induced apoptosis in T47D cells throug...
objective: silybin is a polyphenol with anti-oxidant and anti-cancer properties. the poor bioavailability of some polyphenols can be improved by binding to phosphatidylcholine. in recent years, studies have been conducted to evaluate the anti-cancer effect of silybin. we studied the effect of silybin and silybin-phosphatidylcholine on esr1 and esr2 gene expression and viability in the t47d brea...
T47D and MCF7 are two human hormone-dependent breast cancer cell lines which are widely used as experimental models for in vitro and in vivo (tumor xenografts) breast cancer studies. Several proteins involved in cancer development were identified in these cell lines by proteomic analyses. Although these studies reported the proteomic profiles of each cell line, until now, their differential pro...
The aerial parts of Stachys laxa Boiss. and Buhse. from Siah-bishe in Mazandaran province, Stachys trinervis Aitch. and Hemsl. from Karaj in Alborz province, Stachys subaphylla Rech. F. and Stachys turcomanica Trautv. from Golestan province have been collected in May 2008. Total extracts were obtained through MeOH/H2O (80/20) and then partitioned between CHCl3, EtOAc and MeOH. These fractions a...
Inhibition of C35 gene expression by small interfering RNA induces apoptosis of breast cancer cells.
C35 was reported to be a new biomarker and therapeutic target for breast cancer. To explore the functional importance of C35, we constructed small interfering RNA (siRNA) targeting C35 and investigated the effects of the siRNAs on C35 expression and apoptosis of T47D cells. C35 siRNAs were constructed and named psiRNA-C35-1 and psiRNA-C35-2. Reverse transcription-polymerase chain reaction (RT-P...
S100P is expressed in several malignant neoplasms. It was previously demonstrated that S100P is involved in the very early stages of breast carcinogenesis. In the present study we used a retrovirus-mediated transfer of antisense-S100P in order to check whether the decrease in expression of this protein could lead to alterations in the cell cycle of epithelial cells of human breast cancer. The T...
We report that transfection of insulin-like growth factor-binding protein-3 (IGFBP-3) cDNA in human breast cancer cell lines expressing either mutant p53 (T47D) or wild-type p53 (MCF-7) induces apoptosis. IGFBP-3 also increases the ratio of pro-apoptotic to anti-apoptotic members of the Bcl-2 family. In MCF-7, an increase in Bad and Bax protein expression and a decrease in Bcl-x(L) protein and ...
PURPOSE Breast cancer is an important cause of death among women. The development of radioresistance in breast cancer leads to recurrence after radiotherapy. Caffeic acid phenethyl ester (CAPE), a polyphenolic compound of honeybee propolis, is known to have anticancer properties. In this study, we examined whether CAPE enhanced the radiation sensitivity of MDA-MB-231 (estrogen receptor-negative...
AIM Insulin-like growth factor-1 receptor (IGF1R) is a tyrosine kinase receptor mediating cell growth and survival of cancer cells. We studied responses to IGF1R tyrosine kinase inhibitor NVP-AEW541 combined with conventional systemic drugs in breast cancer cell lines of different clinical subtype. MATERIALS AND METHODS Sensitivity to NVP-AEW541, single treatment and combinations with tamoxif...
To identify volatile constituents in Typhonium giganteum Engl., and clarify their effects on proliferation of breast cancer T47D cell lines. Volatile constituents in Typhonium giganteum Engl. are extracted by steam distillation, and determined by GC-MS. 24, 48 and 72 h after treatment of T47D cells with different concentrations of Typhonium giganteum Engl. volatile (DJL-V) constituents, methyl ...
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