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Alpha 2 interferon in the prevention of N-nitroso-methyl urea induced breast cancer in rats.

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Human interferons have been shown to be effective treatment for hairy cell leukaemia and are now commercially available. Their role in treatment of solid tumours has yet to be established. This study assessed the value of alpha 2 interferon (IFN) in an experimental breast cancer model. Four groups

Sample prep for proteomics of breast cancer: proteomics and gene ontology reveal dramatic differences in protein solubilization preferences of radioimmunoprecipitation assay and urea lysis buffers.

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BACKGROUND An important step in the proteomics of solid tumors, including breast cancer, consists of efficiently extracting most of proteins in the tumor specimen. For this purpose, Radio-Immunoprecipitation Assay (RIPA) buffer is widely employed. RIPA buffer's rapid and highly efficient cell lysis

A novel biphenyl urea derivate inhibits the invasion of breast cancer through the modulation of CXCR4.

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The increased migration and invasion of breast carcinoma cells are key events in the development of metastasis to the lymph nodes and distant organs. CXCR4, the receptor for stromal-derived factor-1, is reportedly involved in breast carcinogenesis and invasion. In this study, we investigated a novel

Carbon chain length modulates MDA-MB-231 breast cancer cell killing mechanisms by mitochondrially targeted aryl-urea fatty acids.

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Targeting the tumor cell mitochondrion could produce novel anti-cancer agents. We designed an aryl-urea fatty acid ( 1g ; 16({[4-chloro-3-(trifluoromethyl)phenyl]carbamoyl}amino)hexadecanoic acid) that disrupted the mitochondrion and decreased MDA-MB-231 breast cancer cell viability. To optimize the

Carboxylate Analogues of Aryl-Urea-Substituted Fatty Acids That Target the Mitochondria in MDA-MB-231 Breast Cancer Cells to Promote Cell Death.

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Selective targeting of the tumor cell mitochondrion is a viable approach for the development of anticancer agents because the organelle is functionally different from the mitochondria of normal cells. We recently developed a novel aryl-urea fatty acid,

Effect of an aryl chloroethyl urea on tubulin and vimentin syntheses in a human breast cancer cell line.

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A new class of antineoplastic agents, 1-aryl-3-(2-chloroethyl) ureas (CEUs), was recently developed in our laboratory. To optimize the pharmacological and the biological properties of this new class of compounds and to determine its mechanism of action, at the cellular level, we studied the effect

Aryl-urea fatty acids that activate the p38 MAP kinase and down-regulate multiple cyclins decrease the viability of MDA-MB-231 breast cancer cells.

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We recently developed a novel aryl-urea fatty acid (CTU; 16({[4-chloro-3-(trifluoromethyl)phenyl]carbamoyl}amino)hexadecanoic acid) that impaired the viability of MDA-MB-231 breast cancer cells in vitro and in mouse xenograft models in vivo. At present there is a deficiency of information on the

Design and synthesis of 4-piperazinyl quinoline derived urea/thioureas for anti-breast cancer activity by a hybrid pharmacophore approach.

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In an attempt to improve anti-breast cancer activity, a new series of 4-piperazinylquinoline derivatives based on the urea/thiourea scaffold were designed and synthesised by a pharmacophore hybrid approach. We then examined for their antiproliferative effects on three human breast tumor cell lines,

Design, synthesis and biological evaluation of a new thieno[2,3- d]pyrimidine-based urea derivative with potential antitumor activity against tamoxifen sensitive and resistant breast cancer cell lines

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Breast cancer (BC) and endocrine resistance to chemotherapy are challenging problems where angiogenesis plays fundamental roles. Thus, targeting of VEGFR-2 signalling pathway has been an attractive approach. In this study, we synthesised a new sorafenib analogue, thieno[2,3-d]pyrimidine based

Antiangiogenic 1-Aryl-3-[3-(thieno[3,2-b]pyridin-7-ylthio)phenyl]ureas Inhibit MCF-7 and MDA-MB-231 Human Breast Cancer Cell Lines Through PI3K/Akt and MAPK/Erk Pathways.

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Breast cancer is the most frequently diagnosed cancer and the second leading cause of cancer related deaths among women worldwide. The purpose of this study is to evaluate the cytotoxic effects and possible molecular mechanisms of the antiproliferative properties of the antiangiogenic

Design, synthesis and structure-activity relationship study of novel urea compounds as FGFR1 inhibitors to treat metastatic triple-negative breast cancer

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Triple-negative breast cancer (TNBC) is an aggressive type of cancer characterized by higher metastatic and reoccurrence rates, where approximately one-third of TNBC patients suffer from the metastasis in the brain. At the same time, TNBC shows good responses to chemotherapy, a feature that fuels

Discovery of 1-(3-aryl-4-chlorophenyl)-3-(p-aryl)urea derivatives against breast cancer by inhibiting PI3K/Akt/mTOR and Hedgehog signalings.

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PI3K/Akt/mTOR and hedgehog (Hh) signalings are two important pathways in breast cancer, which are usually connected with the drug resistance and cancer migration. Many studies indicated that PI3K/Akt/mTOR inhibitors and Hh inhibitors displayed synergistic effects, and the combination of the two

Design and synthesis of thienopyrimidine urea derivatives with potential cytotoxic and pro-apoptotic activity against breast cancer cell line MCF-7.

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A series of novel tetrahydrobenzothieno[2,3-d]pyrimidine urea derivatives was synthesized according to fragment-based design strategy. They were evaluated for their anticancer activity against MCF-7 cell line. Three compounds 9c, 9d and 11b showed 1.5-1.03 folds more potent anticancer activity than

Major surgery diminishes systemic arginine availability and suppresses nitric oxide response to feeding in patients with early stage breast cancer.

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OBJECTIVE Plasma arginine (ARG) levels are reduced in breast cancer, suggesting diminished systemic ARG availability. ARG and its product nitric oxide (NO) are important in early postoperative recovery due to its roles in immune function and wound healing. It remains unclear whether major surgery

Response of Bone Resorption Markers to Aristolochia longa Intake by Algerian Breast Cancer Postmenopausal Women.

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Aristolochia longa is widely used in traditional medicine in Algeria to treat breast cancer. The aim of the present study was to investigate the response of bone resorption markers to A. longa intake by Algerian breast cancer postmenopausal women. According to the A. longa intake, breast cancer

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