strychnine/nekrozė

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Strychnine inhibits inflammatory angiogenesis in mice via down regulation of VEGF, TNF-α and TGF-β.

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Strychnine is known to possess anti-inflammatory and antitumour activity, but its roles in tumour angiogenesis, the key step involved in tumour growth and metastasis, and the involved molecular mechanism are still unknown. We aimed to investigate the effects of strychnine on key components of

A case of acute strychnine poisoning.

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In most severe cases of strychnine poisoning, the patient dies before reaching the hospital. This report describes the treatment and successful outcome of a patient who had taken a dose of strychnine that would normally be fatal. A 28-y-old man was admitted 2 h after ingestion of 1 to 1.5 g of

Taurine blunts LPS-induced increases in intracellular calcium and TNF-alpha production by Kupffer cells.

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Activation of Kupffer cells by lipopolysaccharide (LPS) plays a pivotal role in the onset of pathophysiological events that occur during endotoxemia and intracellular calcium ([Ca2+]i) is involved in LPS-stimulated cytokine production. Recently, it was shown that Kupffer cells contain a

Pulmonary lesion induced by stress in magnesium-deficient rats. A light- and electron-microscopic study.

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A light- and electron-microscopic study was made of the lungs of magnesium (Mg)-sufficient and Mg-deficient pathogen-free weanling rats raised in a gnotobiotic environment. Mg-sufficient rats were studied unstressed, after mild auditory stress, or after strychnine seizures and showed essentially no

Pathological evidence of pancreatitis in 43 horses (1986-2011).

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BACKGROUND Definitive ante mortem diagnosis of pancreatitis in horses is difficult. Reports summarising the most common clinical signs, clinicopathological features and concurrent disorders in horses with a definitive diagnosis of pancreatitis that may aid in the recognition of disease are

Structural neurotoxicologic investigation of the glycine antagonist 5-nitro-6,7-dichloroquinoxalinedione (ACEA-1021).

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NMDA antagonists of glutamate have psychotomimetic side effects and structural side effects which have been shown to be lethal to CNS neurons in the cingulate and retrosplenial cortex of rodents, yet these compounds may reduce focal ischemic brain damage. This investigation used 38 Wistar rats to

In vivo models of cerebral ischemia: effects of parenterally administered NMDA receptor glycine site antagonists.

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Both in vitro and in vivo experiments have implicated extracellular glycine in the pathogenesis of ischemic brain damage. Recently, halogenated derivatives of quinoxaline-2,3-dione have been synthesized that possess bioavailability when parenterally administered and minimal psychotomimetic

Glycine inhibits the LPS-induced increase in cytosolic Ca2+ concentration and TNFalpha production in cardiomyocytes by activating a glycine receptor.

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OBJECTIVE Previous studies have demonstrated that glycine (GLY) markedly reduces lipopolysaccharide (LPS)-induced myocardial injury.However, the mechanism of this effect is still unclear. The present study investigated the effect of GLY on cytosolic calcium concentration([Ca2+]c) and tumor necrosis

Protective effects of glycine pretreatment on brain-death donor liver.

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BACKGROUND Morphological and functional changes commonly occur in livers of brain-death donors. Prevention of liver injury from brain-death will benefit the results of transplantation. This study was conducted to evaluate the protection effects of glycine on the liver of brain-death

Glycine-site antagonists and stroke.

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The excitatory amino acid, (S)-glutamic acid, plays an important role in controlling many neuronal processes. Its action is mediated by two main groups of receptors: the ionotropic receptors (which include NMDA, AMPA and kainic acid subtypes) and the metabotropic receptors (mGluR(1-8)) mediating

Immunomodulatory effects of glycine on LPS-treated monocytes: reduced TNF-alpha production and accelerated IL-10 expression.

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Cytokines play a pivotal role in the pathogenesis of septic shock. Proinflammatory cytokines such as tumor necrosis factor-alpha (TNF-alpha) and interleukin-1beta (IL-1beta) stimulate the progression of septic shock whereas the anti-inflammatory cytokine IL-10 has counterregulative potency. The

Dietary glycine prevents peptidoglycan polysaccharide-induced reactive arthritis in the rat: role for glycine-gated chloride channel.

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Peptidoglycan polysaccharide (PG-PS) is a primary structural component of bacterial cell walls and causes rheumatoid-like arthritis in rats. Recently, glycine has been shown to be a potential immunomodulator; therefore, the purpose of this study was to determine if glycine would be protective in a

Kupffer cells contain a glycine-gated chloride channel.

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Here the effect of glycine on intracellular Ca2+ concentration ([Ca2+]i) in cultured Kupffer cells stimulated with lipopolysaccharide (LPS) was investigated to assess the possibility that they contain a glycine-gated chloride channel. LPS (10 micrograms/ml) increased [Ca2+]i rapidly, with peak

Production of superoxide and TNF-alpha from alveolar macrophages is blunted by glycine.

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Glycine blunts lipopolysaccharide (LPS)-induced increases in intracellular calcium concentration ([Ca(2+)](i)) and tumor necrosis factor-alpha (TNF-alpha) production by Kupffer cells through a glycine-gated chloride channel. Alveolar macrophages, which have a similar origin as Kupffer cells, play a

The inhibitory neurotransmitter glycine modulates macrophage activity by activation of neutral amino acid transporters.

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Glycine, an important inhibitory neurotransmitter in the mammalian central nervous system (CNS), has been shown to modulate peripheral immune cell responses. In that respect, glycine levels are increased in several neuroinflammatory disorders, such as amyotrophic lateral sclerosis (ALS) and multiple

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