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Stranica 1 iz 130 rezultatima
Increased expression of CD95-ligand and other apoptotic signaling factors by fumonisin B1, a hepatotoxic mycotoxin, in livers of mice lacking tumor necrosis factor alpha.
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Fumonisin B1 (FB1), a mycotoxin, is a potent inhibitor of ceramide synthase, and produces organ-, species-, and even gender-specific toxic responses in animals. The hepatotoxic response of FB1 in mice involves accumulation of free sphingoid bases and induction of inflammatory cytokines including
Fumonisin B1, a mycotoxin contaminant of cereal grains, and inducer of apoptosis via the tumour necrosis factor pathway and caspase activation.
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Fumonisins are mycotoxins produced by Fusarium moniliforme, a prevalent fungus which infects corn or other cereal grains. Fumonisin B1 (FB1) is the most common mycotoxin produced by F. moniliforme, suggesting that it has toxicological significance. The structure of FB1 resembles sphingoid bases and
Fumonisin B1-induced apoptosis is associated with delayed inhibition of protein kinase C, nuclear factor-kappaB and tumor necrosis factor alpha in LLC-PK1 cells.
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Fumonisin B1 (FB1), the most potent of the fumonisin mycotoxins, is a carcinogen and causes a wide range of species-specific toxicoses. FB1 modulates the activity of protein kinase C (PKC), a family of phospholipid-dependent serine/threonine kinases that play important role in modulating a variety
The role of tumor necrosis factor alpha and the peroxisome proliferator-activated receptor alpha in modulating the effects of fumonisin in mouse liver.
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Fumonisins are mycotoxins that are produced by Fusarium verticillioides found in corn and corn-based foods, and are suspected human esophageal carcinogens. Exposure of rodents to fumonisin B1 causes hepatotoxicity and results in alterations in the balance between cell proliferation and apoptosis in
Fumonisin B(1) alters sphingolipid metabolism and tumor necrosis factor alpha expression in heart and lung of mice.
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Fumonisin B(1) (FB(1)), produced by Fusarium verticillioides, is a common contaminant in foods and feeds. Increase in tissue free sphingoid bases resulting from the inhibition of ceramide synthase is a biomarker of fumonisin exposure. Tumor necrosis factor alpha (TNFalpha) is induced in liver in
Tumor necrosis factor alpha-mediated activation of c-Jun NH(2)-terminal kinase as a mechanism for fumonisin B(1) induced apoptosis in murine primary hepatocytes.
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Fumonisin B(1) is a mycotoxin produced by Fusarium verticillioides, frequently associated with corn. It produces species-specific and organ-specific toxicity, including equine leukoencephalomalacia, porcine pulmonary edema, and hepatic or renal damage in most animal species. Fumonisin B(1) perturbs
Fumonisin-induced tumor necrosis factor-alpha expression in a porcine kidney cell line is independent of sphingoid base accumulation induced by ceramide synthase inhibition.
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Previous studies have shown that fumonisin B1 (FB1) inhibits ceramide synthase, resulting in accumulation of free sphinganine and sphingosine. Tumor necrosis factor-alpha (TNFalpha) plays an important role in FB1 toxicity and the expression of TNFalpha mRNA in liver and kidney is increased following
Paradoxical role of tumor necrosis factor alpha in fumonisin-induced hepatotoxicity in mice.
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Tumor necrosis factor alpha (TNFalpha) is involved in fumonisin-induced hepatotoxic effects in mice. The hepatic response to fumonisin B(1) (FB(1)) was reduced in transgenic animals lacking either of the two TNFalpha receptors. In the present study, we hypothesized that the effect of a similar
Temporal expression of fumonisin B(1)-induced tumor necrosis factor-alpha and interferon gamma in mice.
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Fumonisin B(1) (FB(1)), a toxic metabolite of Fusarium verticillioides, is a carcinogen and causative agent of various animal diseases. Our previous studies indicated the involvement of tumor necrosis factor-alpha (TNF alpha) in FB(1)-induced toxic responses. To further investigate the time-course
Tolerance to fumonisin toxicity in a mouse strain lacking the P75 tumor necrosis factor receptor.
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Fumonisin B1 (FB1), a potent mycotoxin prevalent in corn and cereals, causes a variety of toxic effects in different mammalian species. The biochemical responses of FB1 involve inhibition of ceramide synthase leading to accumulation of free sphingoid bases and a possible involvement of tumor
Decreased fumonisin hepatotoxicity in mice with a targeted deletion of tumor necrosis factor receptor 1.
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Fumonisin B1 (FB1), a mycotoxin produced by Fusarium verticillioides and related fungi infests corn and other cereals, and causes a variety of toxic effects in different mammalian species. Hepatotoxicity is a common toxic response in most species. The cellular responses of FB1 involve inhibition of
Fumonisin hepatotoxicity is reduced in mice carrying the human tumour necrosis factor alpha transgene.
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Our previous studies have indicated that tumour necrosis factor alpha (TNFalpha) is involved in fumonisin B1 (FB1)-induced toxic responses. To investigate the role of TNFalpha in FB1 toxicity further we employed male transgenic mice expressing human TNFalpha gene (TG) and their wild-type equivalent
Inhibition of tumor necrosis factor alpha signaling by anti-tumor necrosis factor alpha antibodies and pentoxifylline is unable to prevent fumonisin hepatotoxicity in mice.
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Fumonisin B1 (FB1), a mycotoxin from Fusarium verticillioides, disrupts sphingolipid metabolism by inhibiting ceramide synthase leading to modulation of cytokines including tumor necrosis factor (TNF) alpha. Current study investigated the effect of interrupting TNFalpha signaling, known to be
Tumor necrosis factor-alpha as a contributor in fumonisin B1 toxicity.
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Fumonisin B1 is a toxic product of Fusarium moniliforme, which inhibits ceramide synthase, leading to accumulation of free sphingoid bases. Despite its known biochemical action, the mechanism of toxicity is not fully understood. Male BALB/c mice were injected subcutaneously with 0 to 6.75 mg/kg/day
The mycotoxin fumonisin B1 transiently activates nuclear factor-kappaB, tumor necrosis factor alpha and caspase 3 via protein kinase Calpha-dependent pathway in porcine renal epithelial cells.
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Fumonisin B1 (FB1) is a toxic mycotoxin produced by Fusarium verticillioides, predominantly present in corn. The principal biochemical responses of FB1 involve disruption of sphingolipid metabolism from the inhibition of ceramide synthesis leading to accumulation of free sphingoid bases,
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