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C.a leak in the engine exhaust system 正确答案:C (16)Hypoxia is the result of which of these conditions? A.Insufficient oxygen reaching the brain. B.Excessive carbon dioxide in the bloodstream. C.Limited oxygen reaching the heart muscles. 正确答案:A (17)Hypoxia is always accompanied by A....
American Journal of PhysiologySmirnov SV, Robertson TP, Ward JPT, and Aaronson PI. Chronic hypoxia is associated with reduced delayed rectifier K+ current in rat pulmonary artery muscle cells. Am J Physiol 266: H365-H370, 1994.Smirnov SV, Robertson TP, Ward JPT, Aaronson PI. Chro- nic ...
Hypoxia is one of the most rapidly changing environmental factors in coastal ecosystems, where oxygen tensions (PO2) have decreased dramatically over the past decades as a result of increased anthropogenic nutrient input1 and climate change2. It is also now among the most widespread deleterious anth...
Hypoxia, in biology, condition in which tissues of the body are starved of oxygen. Diseases of the blood, the heart and circulation, and the lungs may all produce some form of hypoxia. In its extreme form, where oxygen is entirely absent, the condition i
Hypoxia is amongst the most widespread and pressing problems in aquatic environments. Here we demonstrate that fish (Oryzias melastigma) exposed to hypoxia show reproductive impairments (retarded gonad development, decrease in sperm count and sperm motil
solium infection hinders the development of targeted interventions to mitigate its ability to cross the epithelia barrier. This is complicated by reduced oxygen availability in the intestine, a phenomenon called hypoxia. Hypoxia can result in epithelial barrier disruption and cell damage,...
Hypoxia-inducible factor 1 (HIF-1) binds to cis-acting hypoxia-response elements within the erythropoietin, vascular endothelial growth factor, and other genes to activate transcription in hypoxic cells. HIF-1 is a basic helix-loop-helix transcription factor composed of HIF-1α and HIF-1β ...
TFAP2A is known to interact with HIF-1 and we provide evidence that deSUMOylation of TFAP2A enhances the transcriptional activity of HIF-1 under hypoxic conditions. Overall, these results support the notion that SUMO-regulated signaling pathways contribute at many distinct levels to the cellular...
is a well-known commercial species in Asia. However, a sudden lack of oxygen will result in mortality and eventually to pond turnover. Studying the molecular mechanisms of hypoxia adaptation in fishes will not only help us to understand fish speciation and the evolution of the hypoxia-signaling...