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Effects of reserpine and L-cysteine and glutathione depletion on 2-bromoethylamine hydrobromide-induced tubular necrosis in Swiss ICR mice.

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Female Swiss ICR mice were injected ip with 100 or 300 mg 2-bromoethylamine hydrobromide (BEA)/kg body weight. Male Swiss ICR mice were subjected to water deprivation, or treated with 5% dextrose in water, dimethylsulphoxide, piperonyl butoxide, SKF-525A, sodium phenobarbital, beta-naphthoflavone,

Inhibition by N-acetyl-L-cysteine of interleukin-6 mRNA induction and activation of NF kappa B by tumor necrosis factor alpha in a mouse fibroblastic cell line, Balb/3T3.

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Redox-based modulation plays a role in transcriptional control of gene expression. In the present study, we investigated the possible role of reactive oxygen species in the induction of interleukin-6 (IL-6) mRNA and in increases in NF kappa B binding activity by tumor necrosis factor (TNF) alpha

Role of tissue repair in survival from s-(1,2-dichlorovinyl)-L-cysteine-induced acute renal tubular necrosis in the mouse.

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S-(1,2-Dichlorovinyl)-L-cysteine (DCVC), a model nephrotoxicant in mice, causes acute tubular necrosis and death at high doses. Our earlier studies revealed that renal tissue repair was critical for survival in mice with DCVC nephrotoxicity. The objective of this study was to investigate if

L-cysteine-enhanced renaturation of bioactive soluble tumor necrosis factor ligand family member LIGHT from inclusion bodies in Escherichia coli.

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LIGHT is a membrane-bound protein that belongs to the tumor necrosis factor (TNF) superfamily ligands. In this study, we established an effective strategy for producing a bioactive soluble form of LIGHT (sLIGHT), an extracellular region (Ile⁸⁴-Val²⁴⁰) of human LIGHT. Because sLIGHT was expressed as

S-allyl-L-cysteine sulfoxide inhibits tumor necrosis factor-alpha induced monocyte adhesion and intercellular cell adhesion molecule-1 expression in human umbilical vein endothelial cells.

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Garlic and its water-soluble allyl sulfur-containing compound, S-Allyl-L-cysteine Sulfoxide (ACSO), have shown antioxidant and anti-inflammatory activities, inhibiting the development of atherosclerosis. However, little is known about the mechanism(s) underlying the therapeutic effect of ACSO in

N-acetyl-L-cysteine protects endothelial cells but not L929 tumor cells from tumor necrosis factor-alpha-mediated cytotoxicity.

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The effect of N-acetyl-L-cysteine on the cytotoxicity of tumor necrosis factor-alpha was investigated in cultured bovine pulmonary artery endothelial cells and L929 mouse tumor cells. In endothelial cells, a 72-h incubation with tumor necrosis factor-alpha (100 ng/ml) reduced the number of viable

N-acetyl-L-cysteine exhibits antitumoral activity by increasing tumor necrosis factor alpha-dependent T-cell cytotoxicity.

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Because of its anticarcinogenic and antimutagenic properties, N-acetyl-L-cysteine (NAC) has been proposed for cancer treatment. Here we present a mechanism of action for NAC in cancer. Our data show that NAC (1) induces an early and sustained increase of membrane tumor necrosis factor alpha (TNF

Apoptosis, necrosis, and cell proliferation induced by S-(1,2-dichlorovinyl)-L-cysteine in primary cultures of human proximal tubular cells.

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Apoptosis, necrosis, and cell proliferation induced by S-(1,2-dichlorovinyl)-L-cysteine (DCVC), the cysteine conjugate of the environmental and occupational contaminant trichloroethylene, were studied in primary cultures of human proximal tubular (hPT) cells. Cells from male and female donors were

Roles of necrosis, Apoptosis, and mitochondrial dysfunction in S-(1,2-dichlorovinyl)-L-cysteine sulfoxide-induced cytotoxicity in primary cultures of human renal proximal tubular cells.

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S-(1,2-Dichlorovinyl)-L-cysteine (DCVC) is the penultimate nephrotoxic metabolite of the environmental contaminant trichloroethylene. Although metabolism of DCVC by the cysteine conjugate beta-lyase is the most studied bioactivation pathway, DCVC may also be metabolized by the flavin-containing

Azathioprine acts upon rat hepatocyte mitochondria and stress-activated protein kinases leading to necrosis: protective role of N-acetyl-L-cysteine.

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Azathioprine is an immunosuppressant drug widely used. Our purpose was to 1) determine whether its associated hepatotoxicity could be attributable to the induction of a necrotic or apoptotic effect in hepatocytes, and 2) elucidate the mechanism involved. To evaluate cellular responses to

Retraction. S-Allyl-L-cysteine sulfoxide inhibits tumor necrosis factor-alpha induced monocyte adhesion and intercellular cell adhesion molecule-1 expression in human umbilical vein endothelial cells.

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In vivo necrosis of large S-91 mouse melanomas by DL-B-phenyllactic acid plus L-cysteine.

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Regulation of apoptosis/necrosis execution in cadmium-treated human promonocytic cells under different forms of oxidative stress.

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Pulse-treatment of U-937 human promonocytic cells with cadmium chloride followed by recovery caused caspase-9/caspase-3-dependent, caspase-8-independent apoptosis. However, pre-incubation with the glutathione (GSH)-suppressing agent DL-buthionine-(S,R)-sulfoximine (cadmium/BSO), or co-treatment with

Sulfur-containing amino acids that increase renal glutathione protect the kidney against papillary necrosis induced by 2-bromoethylamine.

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Papillary necrosis was observed in the kidneys of rats, 72 h after receiving a single injection of bromoethylamine (BEA). This effect was associated with renal glutathione (GSH) depletion 1 h after the administration of BEA. Stimulation of renal GSH synthesis by pretreatment of the animals either

Oxidative stress induction by (+)-cordiaquinone J triggers both mitochondria-dependent apoptosis and necrosis in leukemia cells.

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(+)-Cordiaquinone J is a 1,4-naphthoquinone isolated from the roots of Cordia leucocephala that has antifungal and larvicidal effects. However, the cytotoxic effects of (+)-cordiaquinone J have never being explored. In the present study, the effect of (+)-cordiaquinone J on tumor cells viability was

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