نتایج جستجو برای: nih 3t3 cells
تعداد نتایج: 1396070 فیلتر نتایج به سال:
The genetic basis of cellular resistance to the anticancer drug cisdiamminedichloroplatinum(II) (CP) is not well understood. In the course of identifying genes from human tumors capable of conferring resistance to CP, we tested the ability of several types of cellular and viral ras oncogene (H, K, and N) to alter the CP response of mouse cells. Using clonogenic assays, we found that NIH 3T3 fib...
Functional characterization of oncogene products that induce cellular transformation has progressed rapidly in recent years. However, less is known about the mechanism(s) by which the transformed cells may escape destruction by host immune defenses and form tumors. A recently described oncogene that has an important association with aggressive human breast carcinoma is "HER2," for human epiderm...
Although vascular endothelial growth factor (VEGF) has been shown to act synergistically with bone morphogenetic protein (BMP)2 and BMP4 to promote ectopic endochondral bone formation via cell-based BMP gene therapy, the optimal ratio of VEGF to either of the BMPs required to obtain this beneficial effect remains unclear. In the current study, two cell types (C2C12, NIH/3T3) were retrovirally t...
High-molecular weight DNAs of fresh bone marrow cells from 32 patients with fresh leukemia were assayed for the presence of transmissible activated transforming genes by a DNA-mediated gene transfer technique using NIH/3T3 cells. DNAs of bone marrow cells from four of the 32 patients induced transformation of NIH/3T3 cells. Two of the four cases, a chronic myelogenous leukemia and an acute lymp...
BACKGROUND Despite intensive effort, currently no effective anti-Ras therapies have successfully reached clinical application. Previous studies suggest that the histone deacetylatse (HDAC) inhibitor romidepsin, which is currently in clinical trials for the treatment of multiple malignancies, can block Ras-dependent signaling and growth transformation. These studies suggest that mutational activ...
Spontaneous amplification of genes encoding two different human myeloid surface antigens was observed after DNA-mediated gene transfer of cellular DNA from the human myeloid cell line HL-60 into NIH-3T3 mouse fibroblasts. Transformed recipient cells with highly amplified expression of either of two donor membrane polypeptides, gp150 or p67, were isolated with a fluorescence-activated cell sorte...
BACKGROUND CD19 is a pan B cell marker that is recognized as an attractive target for antibody-based therapy of B-cell disorders including autoimmune disease and hematological malignancies. The object of this study was to stably express the human CD19 antigen in the murine NIH-3T3 cell line aimed to be used as an immunogen in our future study. METHODS Total RNA was extracted from Raji cells i...
Oncostatin M (OSM) is a member of the IL-6/LIF (or gp130) cytokine family, and its potential role in inflammation is supported by a number of activities identified in vitro. In this study, we investigate the action of murine OSM on expression of the CC chemokine eotaxin by fibroblasts in vitro and on mouse lung tissue in vivo. Recombinant murine OSM stimulated eotaxin protein production and mRN...
We have identified oncogene-responsive sequences in the human c-fos promoter that mediate induction of transcription by several nonnuclear oncoproteins and the tumor promoter TPA. These sequences are regulated in a cell-specific manner. (i) In NIH 3T3 cells, the CArG box of the c-fos promoter is sufficient to mediate activation by oncogenes. (ii) In contrast, in HeLa cells, additional flanking ...
Four of 12 monoclonal antibodies (MoAbs) directed to different epitopes in the extracellular domain of the human colony-stimulating factor-1 receptor (CSF-1R, the c-fms proto-oncogene product) specifically inhibit CSF-1 binding to receptor-bearing cells. All four antibodies abrogated CSF-1-dependent colony formation by human bone marrow-derived macrophage precursors and by mouse NIH-3T3 cells e...
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