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Biochemical methods have shown, that adaptation of rats to the conditions of the middle mountains (2100 m above sea level) as well as with subsequent affecting acute hypoxia in the hypobaric chamber (7500 m, 2-5 h and 9000 m, 1-3 h) is accompanied by the increase of the activity of
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90 min hypoxia (50% initial saturation) does not change the level of glucose-6-phosphate dehydrogenase activity in liver and brain of the red mullet. It is shown, that existence of the sea scorpion in environmental with low oxygen concentration (15% initial saturation) results in the increasing in
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Activity of glucose-6-phosphate dehydrogenase (G6PD) was increased in blood serum in hypoxic hypoxia, hypoxia and cooling stress. The degree of this alteration depended on duration of the action of the effectors and on oxygen pressure. Adaptation to cooling was characterized by stabilization of
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We studied the regulation of glucose-6-phosphate dehydrogenase (G6PD) gene expression by chronic hypoxia. G6PD mRNA level and activity were increased in PC12 cells by hypoxia in a dose- and time-dependent manner. Cobalt chloride and dimethyloxalylglycine, which can mimic hypoxia, also activated G6PD
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Glucose-6-phosphate dehydrogenase (G6PDH) gates flux through the pentose phosphate pathway and is key to cellular antioxidant defense due to its role in producing NADPH. Good antioxidant defenses are crucial for anoxia-tolerant organisms that experience wide variations in oxygen availability. The
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Glucose-6-phosphate dehydrogenase (G6PDH), the enzyme which catalyzes the rate determining step of the pentose phosphate pathway (PPP), controls the production of nucleotide precursor molecules (R5P) and powerful reducing molecules (NADPH) that support multiple biosynthetic functions, including
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Although hypoxia is detrimental to most cell types, it aids survival of progenitor cells and is associated with diseases like cancer and pulmonary hypertension in humans. Therefore, understanding the underlying mechanisms that promote survival of progenitor cells in hypoxia and then developing novel
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Severe pulmonary hypertension is a debilitating disease with an alarmingly low 5-yr life expectancy. Hypoxia, one of the causes of pulmonary hypertension, elicits constriction and remodeling of the pulmonary arteries. We now know that pulmonary arterial remodeling is a consequence of hyperplasia and
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In this study, we observed that low glucose or fructose reduces the increase in hypoxia-inducible factor-1alpha (HIF-1alpha) protein under hypoxic conditions. 6-Aminonicotinamide (6-AN), an inhibitor of the pentose phosphate pathway (PPP), also inhibited the increase of HIF-1alpha protein under
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Articular cartilage is a unique avascular tissue in which chondrocytes are embedded in extracellular matrix (ECM). The decreased ECM resulting from the loss of articular chondrocyte viability leads to degenerative diseases such as osteoarthritis (OA). This study aims to investigate the
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The authors assessed the activity of glucose-6-phosphate dehydrogenase and catalase in 73 patients with ischaemic cerebral attacks. They compared the results with a control group of 23 patients with vertebrogenic diseases. They recorded a mild decrease of activity of the above enzymes and draw
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