نتایج جستجو برای: t47d cells
تعداد نتایج: 1383741 فیلتر نتایج به سال:
Harvest fluid concentrates (HFC's) from three human mammary tumor cell lines (T47D), HSO578T, and MDA-MB-157), one nontumorigenic human mammary cell line (HBL-100), and one mouse mammary tumor cell line (MCG-T14) stimulated thymidine incorporation in confluent quiescent BALB/c 3T3 cells in a dose-dependent manner. HFC's from all of the cell lines also exhibited plasminogen activator activity. L...
Cancer stem cells (CSCs) are a small part of the heterogeneous tumor cell population possessing self-renewal and multilineage differentiation potential as well as a great ability to sustain tumorigenesis. The molecular pathways underlying CSC phenotype are not yet well characterized. MicroRNAs (miRs) are small noncoding RNAs that play a powerful role in biological processes. Early studies have ...
The present work reports a new mode of action of the naturally occurring flavanols catechin and epicatechin and their dimers B2 and B5, in the breast cancer T47D cell line, namely, their interaction with membrane androgen receptors. We show that monomeric and dimeric flavanols are complete (B2) or partial displacers of radiolabeled testosterone bound on T47D membranes, with affinities ranging f...
Collective cell migration is a key feature of transition ductal carcinoma in situ (DCIS) to invasive (IDC) among many other cancers, yet the microenvironmental factors and underlying mechanisms that trigger collective remain poorly understood. Here, we investigated two factors, tumor-intrinsic hypoxia tumor-secreted (secretome), as triggers using three-dimensional (3D) discrete-sized microtumor...
The integration of fluorescence and plasmonic properties into one molecule is of importance in developing multifunctional imaging and therapy nanoprobes. The aim of this research was to evaluate the fluorescent properties and the plasmonic-photothermal, therapeutic, and radiotherapeutic potential of 177Lu-dendrimer conjugated to folate and bombesin with gold nanoparticles in the dendritic cavit...
Recent experimental work has identified a novel intracellular binding site for the synthetic progestin, Gestodene, that appears to be uniquely expressed in human breast cancer cells. Gestodene is shown here to inhibit the growth of human breast cancer cells in a dose-dependent fashion, but has no effect on endocrine-responsive human endometrial cancer cells. Gestodene induced a 90-fold increase...
The effects of progesterone on the growth of breast carcinoma cells are undefined. In the present study we investigated the effect of progestins on insulin receptor gene expression and insulin action in human breast cancer cells. Treatment of T47D cells with the synthetic progestin R5020 induced a time- and dose-dependent increase in insulin receptor content as measured by both ligand-binding s...
Harvest fluid concentrates (HFC's) from three human mam mary tumor cell lines (T47D, HS0578T, and MDA-MB-157), one nontumorigenic human mammary cell line (HBL-100), and one mouse mammary tumor cell line (MCG-T14) stimulated thymidine incorporation in confluent quiescent BALB/c 3T3 cells in a dose-dependent manner. HFC's from all of the cell lines also exhibited plasminogen activator activity. L...
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