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Interleukin-1-beta and tumor necrosis factor-alpha increase peripheral-type benzodiazepine binding sites in cultured polygonal astrocytes.
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Peripheral-type benzodiazepine binding sites (PTBBS) are markedly increased in the injured CNS. Astrocytes appear to be the primary cell type which express increased PTBBS. Because certain cytokines within the injured CNS are potent mitogens for astrocytes, we examined the effects of two such
45T-1, an established cell line with characteristics of Sertoli cells, forms organized aggregates in vitro after exposure to tumor necrosis factor alpha.
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In the testis TNF is produced by germinal cells. The putative role of tumor necrosis factor alpha (TNF) in development and differentiation was investigated in 45T-1 mouse cell cultures, a cell line with characteristic markers of Sertoli cells, established from transgenic mouse families expressing
Interleukin-12-mediated resistance to Trypanosoma cruzi is dependent on tumor necrosis factor alpha and gamma interferon.
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The aim of this study was to determine if interleukin-12 (IL-12) has a role in the immune response to Trypanosoma cruzi. Infection of BALB/c mice with the virulent Tulahuen strain of T. cruzi is characterized by a high-level parasitemia, pathology in the heart associated with the presence of
[One-stage thumb opponensplasty and polygonal flap in congenital spade hand reconstruction].
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Effects of interleukin-1 beta and tumor necrosis factor-alpha on the expression of glial fibrillary acidic protein and transferrin in cultured astrocytes.
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Recent evidence suggests that interleukin (IL)-1 and tumor necrosis factor (TNF) may play a role in astrogliosis following injury to the CNS. The short-term biochemical effects of these immune-related cytokines were determined on cultured rat polygonal and process-bearing astrocytes. Both IL-1 and
Peritoneoscopic study on rat liver cell necrosis induced by carbon tetrachloride and allyl formate.
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The surface changes of acute centrolobular and perilobular necrosis were studied in rat liver using peritoneoscopy. Centrolobular necrosis as induced by carbon tetrachloride and perilobular necrosis by allyl formate. Vessels observed on the control rat liver surface were identified as terminal
Collagenase-1, stromelysin-1 and 92 kDa gelatinase are associated with tumor necrosis factor-alpha induced morphological change of human endothelial cells in vitro.
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Recently, we have shown that the tumor necrosis factor-alpha (TNF-alpha)-induced morphological change of EA.hy 926 human endothelial cells is associated with a decrease in the net synthesis of two proteoglycans (PGs), biglycan and syndecan-1, both of which have been suggested to play a role in cell
Modulation of fibronectin production in normal human melanocytes and malignant melanoma cells by interferon-gamma and tumor necrosis factor-alpha.
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Normal cultured human epidermal melanocytes and melanoma cells derived from three different malignant melanomas were examined for synthesis of extracellular matrix components before and after treatment for one day with interferon-gamma, tumor necrosis factor-alpha, or both. Treatment of the cells
First outbreak of an infection with infectious spleen and kidney necrosis virus (ISKNV) in ornamental fish in Germany.
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In 2014, infectious spleen and kidney necrosis virus (ISKNV), a member of the genus Megalocytivirus, was detected for the first time in ornamental fish in Germany. Since 2013, angelfish Pterophyllum spp. originating from Colombia have experienced significant epizootics in a number of German
Synergistic actions of pemphigus vulgaris IgG, Fas-ligand and tumor necrosis factor-alpha during induction of basal cell shrinkage and acantholysis.
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This study tested a recently proposed "Basal Cell Shrinkage" hypothesis of pemphigus acantholysis through a quantitative analysis of individual and cooperative effects of pemphigus vulgaris (PV) IgG, Fas-ligand (Fas-L) and tumor necrosis factor-alpha (TNFalpha) on keratinocyte (KC) volume (i.e. cell
Morphological changes in mesothelial cells induced by shed menstrual endometrium in vitro are not primarily due to apoptosis or necrosis.
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In a previous study on the pathogenesis of endometriosis, we observed that constituents of menstrual effluent induce morphological alterations in human mesothelial cells. In this study, we investigated whether these alterations were associated with apoptosis or necrosis or were the result of
Induction of monocyte expression of tumor necrosis factor alpha by the 30-kD alpha antigen of Mycobacterium tuberculosis and synergism with fibronectin.
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Native 30-kD antigen, also known as alpha antigen, is a fibronectin-binding protein that is secreted by live Mycobacterium tuberculosis. This antigen may play an important biological role in the host-parasite interaction since it elicits delayed type hypersensitivity response and protective immunity
Primary pulmonary primitive neuroectodermal tumor (PNET). A case report.
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We describe a rare case of a primary primitive neuroectodermal tumor (PNET) in the lung of a 17-year-old girl. Grossly, the tumor, located in the right lower lobe, was relatively well-circumscribed and whitish to yellowish in color with scattered hemorrhagic necrosis. Microscopically, the tumor was
Intraosseous epithelioid malignant peripheral nerve sheath tumor of the phalanx. Case report.
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We report the first case of intraosseous epithelioid malignant peripheral nerve sheath tumor (MPNST) occurring in the phalanx. The patient was a 50-year-old Japanese man with an intramedullary lytic lesion of the proximal phalanx. Microscopically, the tumor was composed of epithelioid cells or
Clear cell adenocarcinoma of colorectum: a case report and review of the literature.
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Primary clear cell adenocarcinoma of the colorectum is a rare neoplasm, which differs from ordinary carcinomas of the colorectum in morphological features, but shares some traits of clear cell carcinoma of other organs. The tumor is usually composed of polygonal or oval cells with abundant granular
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