搜索结果: 1-15 共查到“HYPEROXIA”相关记录25条 . 查询时间(0.046 秒)
Mild hyperoxia induces moderate pathological alteration in airway epithelium (ultrastructural study)
trachea oxygen ultrastructure rabbit
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2015/1/27
The ultrastructure of the tracheal epithelium in rabbits exposed for 96 hours to 35–37% O2 was studied in our experiments. Due to the influence of mild normobaric hyperoxia, massive differentiation of...
Protection of Human Lung Cells against Hyperoxia Using the DNA Base Excision Repair Genes hOgg1 and Fpg
oxygen toxicity DNA damage DNA repair
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2014/12/12
Hyperoxia causes pulmonary toxicity in part by injuring alveolar epithelial cells. Previous studies have shown that toxic oxygen-derived species damage DNA and this damage is recognized and repaired b...
The use of hyperoxia as a way to accelerate recovery after a karate and judo match
HYPEROXIA MATCH LOAD RECOVERY TIME JUDO KARATE
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2013/10/1
The research study is concerned with the use of hyperoxia (an abnormally increased supply or concentration of oxygen) as a possible way to accelerate recovery time after anaerobic load in karate and j...
In vivo and in vitro induction of cytochrome P-450 synthesis in hyperoxia
animal mice Cytochrome P-450 Dark Adaptation Light Adaptation
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2009/7/17
Exposure of dark- or light-adapted mice to 1--3 ATA oxygen for times ranging from 15 min to 4 h caused a progressive increase in P-450, which peaked and then decayed. The rate of decay appears to be i...
Antidiuresis and inhibition of PGE2 excretion by hyperoxia in the conscious dog
Antidiuresis PGE2 hyperoxia Plasma antidiuretic hormone antagonism
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2009/7/16
Experiments were performed to determine the influence of varying inspired oxygen tension on renal prostaglandin E2 (PGE2) excretion, renal hemodynamics, and water and electrolyte excretion in the cons...
Suppressed renin release during hyperoxia in the conscious dog
dog animal renin hyperoxia
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2009/7/16
Recent studies have documented a marked inhibition of renal prostaglandin E2 excretion during hyperbaric oxygenation (HBO) in the conscious dog. Numerous other studies have shown that pharmacological ...
Peripheral circulatory responses to acute hyperoxia
cardiovascular cardiac output animal dog
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2009/7/15
Acute hyperoxia (1 atm) in anesthetized dogs produced a 14percent decrease in cardiac output relative to that observed with FIo2 = 0.21 and was associated with 7percent decreases in heart rate and str...
Synthesis of cytochrome P-450 in isolated liver cells during exposure to hyperoxia
animal mice cytochrome P-450 liver
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2009/7/15
Mouse hepatocytes were separated within 15 min of the death of the animal. A method of determining cytochrome P-450 was developed and used to show that cells prepared quickly still contained normal le...
Blood-gas transport in awake rabbits exposed to normobaric hyperoxia
transport rabbits normobaric hyperoxia
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2009/7/14
The time course and terminal effects of normobaric oxygen exposure on the gas transport chain were studied in awake, catheterized rabbits exposed to air (n = 8) for 96 h or 100percent O2 (n = 10) unti...
Effects of hyperoxia on human endothelial cell proliferation and morphology in vitro
human endothelial hyperoxia
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2009/7/8
The effects of hyperoxia on endothelial cells from human umbilical veins were studied in vitro by flow cytometric DNA analysis, cell proliferation, and morphology. Exposure of the cells to PO2 of appr...
Hyperbaric hyperoxia enhances the lethal effects of amphotericin B in Leishmania braziliensis panamensis
hyperbaric human oxygen toxicity drug
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2009/6/12
Leishmania braziliensis panamensis promastigotes were exposed in vitro to amphotericin B (AmB), menadione, or phenazine methosulfate under normoxic conditions. Promastigotes were also exposed to hyper...
Toxicity of hyperoxia and high pressure on C3H/10T1/2 cells and effects on cellular glutathione
animal mice pressure Toxicity
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2009/6/8
Saturation diving involves the exposure of humans to elevated partial pressure of oxygen (PO2) and high ambient pressure. The present study is part of a research program that focuses on how such condi...
Glutathione in the cellular defense of human lung cells exposed to hyperoxia and high pressure
human oxygen toxicity high pressure
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2009/6/8
Saturation diving involves exposure to elevated partial pressure of oxygen (Po2) and high pressure. The present work demonstrated that hyperoxic exposure for up to 72 h had significant effects on huma...
Exposure to hyperoxia in diving and hyperbaric medicine--effects on blood cell counts and serum ferritin
saturation hyperbaric blood cell count serum ferritin
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2009/6/5
A reduction in hemoglobin concentration has been consistently reported after deep saturation dives, whereas reductions in thrombocyte counts and changes in biochemical parameters specific for liver fu...
Instantaneous beat-to-beat variability reflects vagal tone during hyperbaric hyperoxia
Diving Electrocardiography Ambulatory Hyperbaric Oxygenation Humans
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2009/6/4
Hyperbaric hyperoxia affects heart rate variability (HRV) by increasing parasympathetic activity. The purpose of this study was to evaluate the applicability of instantaneous beat-to-beat variability ...