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FoxM1 AND Genistein

Yingxia Ning, Meng Xu, Xiaocheng Cao, Xiangding Chen, Xin Luo
Cancer stem cells (CSCs) have central functions in cancer formation and development. Aberrant expression of AKT, ERK and NF-κB signaling pathways have been reported in several types of CSCs. Phytochemicals from dietary compounds possess anti-CSC properties, and have been characterized as promising therapeutic agents for the prevention and treatment of many types of cancers. We previously showed that the newly synthesized genistein derivative, 7-difluoromethoxyl-5,4'-di-n-octylygenistein (DFOG), can inhibit the self-renewal ability of ovarian cancer stem cells (OVCSLCs)...
August 2017: Oncology Reports
Xiaozheng Cao, Kaiqun Ren, Zhengwei Song, Duo Li, Meifang Quan, Yu Zheng, Jianguo Cao, Wenbin Zeng, Hui Zou
7-Difluoromethoxyl-5,4'-di-n-octyl genistein (DFOG), a novel synthetic genistein analogue, exerts anticarcinogenic activity in several types of cancers, including gastric cancer. Accumulating evidence in recent years strongly indicates the existence of cancer stem cells in gastric cancer. The objective of the present study was to investigate whether DFOG inhibits the stemness and reverses the epithelial-mesenchymal transition (EMT) phenotype of gastric cancer stem-like cells (GCSLCs) derived from human gastric cancer SGC-7901 cells and to identify its potential mechanism...
August 2016: Oncology Reports
Ying-Xia Ning, Qing-Xiu Li, Kai-Qun Ren, Mei-Fang Quan, Jian-Guo Cao
7-Difluoromethoxyl-5,4'-di-n-octylgenistein (DFOG) is a novel synthetic genistein analogue that possesses anti-cancer activity in a variety of cancers, including ovarian cancer. The objective of the present study was to investigate whether DFOG inhibits the self-renewal capacity of ovarian cancer stem-like cells (OCSLCs) and to identify its potential mechanism of action. It was found that the sphere-forming cells (SFCs) of the SKOV3 cell line exhibited a self-renewal capacity and high tumorigenicity, indicating that they possessed the properties of ovarian cancer stem cells (OCSCs)...
July 2014: Oncology Letters
Tiantian Tian, Jisheng Li, Bei Li, Yawei Wang, Meiying Li, Daoxin Ma, Xiuwen Wang
Genistein, a major isoflavone constituent in soybeans, has been reported to exhibit multiple anti-tumor effects, such as inducing cell cycle arrest, triggering apoptosis, and inactivating critical signaling pathways in a few human cancer cells. Here, we investigated the anti-tumor effects of genistein on the small-cell lung cancer (SCLC) cell line H446 and the underlying molecular mechanisms. H446 cells were treated with various concentrations of genistein, and experiments including CCK-8 assay, colony formation assay, flow cytometry analysis, wound healing assay, real-time polymerase chain reaction (PCR), western blot analysis, and plasmid transfection were used to investigate the influence of genistein on cell proliferation, migration ability, apoptosis, cell cycle progression, as well as the mRNA and protein alterations of FoxM1 pathway molecules...
May 2014: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
Hong-Lin Xiang, Fei Liu, Mei-Fang Quan, Jian-Guo Cao, Yuan Lv
AIM: To investigate whether the 7-difluoromethoxyl-5, 4'-di-n-octylgenistein (DFOG), a novel synthetic genistein analogue, affects the growth of gastric cancer cells and its mechanisms. METHODS: A series of genistein analogues were prepared by difluoromethylation and alkylation, and human gastric cancer cell lines AGS and SGC-7901 cultured in vitro were treated with various concentrations of genistein and genistein analogues. The cell viability was measured by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay...
September 7, 2012: World Journal of Gastroenterology: WJG
Yingxia Ning, Qingxiu Li, Honglin Xiang, Fei Liu, Jianguo Cao
Genistein, 5,7,4'-trihydroxylisoflavone, a major component of soybean products, has been reported to possess anticancer activities. We examined the antitumor effects of 7-difluoromethoxyl-5,4'-di-n-octylgenistein (DFOG), a novel synthetic genistein derivative, on human ovarian cancer cells as well as the molecular mechanism. The growth-inhibitory effects of genistein and DFOG were determined using MTT assay and clonogenic assay in CoC1 and SKOV3 human ovarian cancer cells. Apoptotic activities of DFOG were observed using histone/DNA ELISA assay and flow cytometry with propidium iodide (PI) staining...
June 2012: Oncology Reports
Aamir Ahmad, Wael A Sakr, K M Wahidur Rahman
Cancer affects the lives of millions of people. Several signaling pathways have been proposed as therapeutic targets for cancer therapy, and many more continue to be validated. With the identification and validation of therapeutic targets comes the question of designing novel strategies to effectively counter such targets. Natural compounds from dietary sources form the basis of many ancient medicinal systems. They are pleiotropic i.e. they act on multiple targets, and, therefore, are often the first agents to be tested against a novel therapeutic target...
2012: Frontiers in Bioscience (Elite Edition)
Bin Bao, Zhiwei Wang, Shadan Ali, Dejuan Kong, Sanjeev Banerjee, Aamir Ahmad, Yiwei Li, Asfar S Azmi, Lucio Miele, Fazlul H Sarkar
FoxM1 is known to play important role in the development and progression of many malignancies including pancreatic cancer. Studies have shown that the acquisition of epithelial-to-mesenchymal transition (EMT) phenotype and induction of cancer stem cell (CSC) or cancer stem-like cell phenotypes are highly inter-related, and contributes to drug resistance, tumor recurrence, and metastasis. The molecular mechanism(s) by which FoxM1 contributes to the acquisition of EMT phenotype and induction of CSC self-renewal capacity is poorly understood...
September 2011: Journal of Cellular Biochemistry
Zhiwei Wang, Yiwei Li, Aamir Ahmad, Sanjeev Banerjee, Asfar S Azmi, Dejuan Kong, Christine Wojewoda, Lucio Miele, Fazlul H Sarkar
Although many studies have been done to uncover the mechanisms by which down-regulation of Notch-1 exerts its anti-tumor activity against a variety of human malignancies, the precise molecular mechanisms remain unclear. In the present study, we investigated the cellular consequence of Notch-1 down-regulation and also assessed the molecular consequence of Notch-1-mediated alterations of its downstream targets on cell viability and apoptosis in prostate cancer (PCa) cells. We found that the down-regulation of Notch-1 led to the inhibition of cell growth and induction of apoptosis, which was mechanistically linked with down-regulation of Akt and FoxM1, suggesting for the first time that Akt and FoxM1 are downstream targets of Notch-1 signaling...
January 2011: Journal of Cellular Biochemistry
Zhiwei Wang, Aamir Ahmad, Sanjeev Banerjee, Asfar Azmi, Dejuan Kong, Yiwei Li, Fazlul H Sarkar
PURPOSE: Pancreatic cancer remains the fourth most common cause of cancer-related death in the United States. Therefore, novel strategies for the prevention and/or treatment are urgently needed. Genistein has been found to be responsible for lowering the rate of pancreatic cancer. However, the molecular mechanisms by which genistein elicits its effects on pancreatic cancer cells has not been fully elucidated. Therefore, the purpose of the current study was to elucidate the anti-cancer mechanism(s) of genistein...
June 2010: Pharmaceutical Research
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