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Differential cellular responses to exogenous DNA in mammalian cells and its effect on oligonucleotide-directed gene modification

Transient transfection has been widely used in many biological applications including gene regulation and DNA repair, but, so far, little attention has been paid to cellular responses induced by the transfected DNA. Here, we report that...
Authors: Igoucheva O, Alexeev V and Yoon K

Active repression of IFN regulatory factor-1-mediated transactivation by IFN regulatory factor-4

IFN regulatory factor-4 (IRF-4) is a transcription factor that is involved in the development and the functions of lymphocytes, macrophages and dendritic cells. Despite their critical roles in immune system regulation, the target genes controlled by...
Authors: Yoshida K, Yamamoto K, Kohno T, Hironaka N, Yasui K, Kojima C, Mukae H, Kadota JI, Suzuki S, Honma...

Probucol enhances the expression of human hepatic scavenger receptor class B type I, possibly through a species-specific mechanism

OBJECTIVE: Scavenger receptor class B type I (SR-BI) is a major receptor for high-density lipoproteins (HDL) in the liver, which is the terminus of reverse cholesterol transport. Overexpression of SR-BI attenuated experimental atherosclerosis in...
Authors: Hirano KI, Ikegami C, Tsujii KI, Zhang Z, Matsuura F, Nakagawa-Toyama Y, Koseki M, Masuda D,...

Neuroblastoma cells transiently transfected to simultaneously express the co-stimulatory molecules CD54, CD80, CD86, and CD137L generate antitumor immunity in mice

Neuroblastoma cells transiently transfected to simultaneously express the co-stimulatory molecules CD54, CD80, CD86, and CD137L generate antitumoThe goal of this study was to show that nonviral gene transfection technology can be used to genetically...
Authors: Johnson BD, Gershan JA, Natalia N, Zujewski H, Weber JJ, Yan X and Orentas RJ

The intracellular domain of p75NTR as a determinant of cellular reducing potential and response to oxidant stress

The low-affinity neurotrophin receptor, p75NTR, has been found to be pro- or anti-apoptotic depending upon the cell in which it is expressed. Reactive oxygen species play a major role in apoptosis induction and enactment. Using two polyclonal PC12...
Authors: Tyurina YY, Nylander KD, Mirnics ZK, Portugal C, Yan C, Zaccaro C, Saragovi HU, Kagan VE and Schor...

Fluorescent antigen-transfected target cell cytotoxic T lymphocyte assay for ex vivo detection of antigen-specific cell-mediated cytotoxicity

Ex vivo detection of virus-specific cytotoxic T lymphocyte (CTL) responses is limited to the use of methods assessing cytokine production, degranulation, or perforin contents of antigen-specific CD8(+) T cells. Generally, their cytotoxic activity is...
Authors: van Baalen CA, Kwa D, Verschuren EJ, Reedijk ML, Boon AC, de Mutsert G, Rimmelzwaan GF, Osterhaus AD...

Insulin-like growth factor binding protein-5 is a target of matrix metalloproteinase-7: implications for epithelial-mesenchymal signaling

Matrix metalloproteinase-7 (MMP-7) is localized to epithelial cells and is up-regulated in many cancers and in inflammation. We now report that MMP-7 targets a key mesenchymal cell type, the myofibroblast. Recombinant MMP-7 stimulated the...
Authors: Hemers E, Duval C, McCaig C, Handley M, Dockray GJ and Varro A

Protein kinase C-epsilon regulates the apoptosis and survival of glioma cells

In this study, we examined the role of protein kinase C (PKC)-epsilon in the apoptosis and survival of glioma cells using tumor necrosis factor-related apoptosis inducing ligand (TRAIL)-stimulated cells and silencing of PKCepsilon expression....
Authors: Okhrimenko H, Lu W, Xiang C, Hamburger N, Kazimirsky G and Brodie C

Cooperation between p53 and p130(Rb2) in induction of cellular senescence

To determine pathways cooperating with p53 in cellular senescence when the retinoblastoma protein (pRb)/p16INK4a pathway is defunct, we stably transfected the p16INK4a-negative C6 rat glioma cell line with a temperature-sensitive mutant p53....
Authors: Kapic A, Helmbold H, Reimer R, Klotzsche O, Deppert W and Bohn W

Early Growth Response-1 Is Required for CD154 Transcription

CD154 (CD40 ligand) expression on CD4 T cells is normally tightly controlled, but abnormal or dysregulated expression of CD154 has been well documented in autoimmune diseases, such as systemic lupus erythematosus. Beyond regulation by NFAT proteins,...
Authors: Cron RQ, Bandyopadhyay R, Genin A, Brunner M, Kersh GJ, Yin J, Finkel TH and Crow MK
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