急性暴露

乐果亚急性暴露对大鼠胆碱酯酶浓度及细胞色素P450亚型表达量的影响

Effects of subacute dimethoate administration on acetylcholinesterase and subtype of hepatic cytochrome P450 of rats

了解敏感个体急性暴露PM2.5可能出现的心脏损伤。

To research the possible heart lesion of sensitive individuals exposed to PM2.5 in short term .

急性暴露尼古丁对1月龄大鼠丘脑腹后内侧核内Caspase-3的表达及凋亡的影响

Effects of Acute Nicotine Exposure on Caspase-3 Expression and Apoptosis of Ventroposterior Medial Nucleus ( VPM ) of thalamus in 30 Days Aged Rat

结论急性暴露低压低氧干扰了胃肠MMC的活动，血浆胃动素释放减少可能介导了胃肠抑制作用。

Conclusions Acute hypobaric hypoxia exposure may lead disturbance of MMC , and the lowered motilin release may be involved in the inhibition of gastrointestinal contractile activity .

2800m急性暴露的即刻，紧张－焦虑（T）和S－AI得分显著高于对照水平（P＜0.05），而暴露1h后又下降至地面水平。

At the early period of 2800 m exposure the tension points of POMS and S-AI scores were higher than those of control level ( P < 0.05 ) then dropped to baseline level when exposure to this altitude for 1 h.

目的分析大气污染急性暴露对居民每日脑卒中死亡的影响。

Objective To assess the association between air pollution and daily stroke mortality .

甲基汞急性暴露大鼠脑中汞蓄积及胆碱能神经递质改变的研究

Changes of Mercury and ACh , AChE Contents in Rat Brains After Acute Methylmercury Chloride Exposure

补充维生素B2对急性低氧暴露小鼠营养代谢改善作用的研究

Effects of Vitamin B_2 Supplementation on Nutritional Metabolism after Acute Hypoxia Exposure in Mice

美国EPA农药残留急性膳食暴露评估方法

USEPA Acute Dietary Exposure Assessment Method for Pesticide Residue in Food

急性冷暴露对仔猪血浆中IL-2、IL-6、ACTH和皮质醇水平的影响

Effect of Cold Exposure on Levels of IL-2 , IL-6 , ACTH and Cortisol in Plasma of Piglets

急性热暴露显著增加尿铬的排出量（P＜0.001），约为适温时的2倍，表明急性短期高温增加铬的丢失，因此高温时机体对铬的需要量增加。

24h urinary excretion of Cr increased 114 % on the day of heat exposure , which revealed that Cr loss was increased by acute heat exposure and correspondingly , Cr requirements of pigs exposed to heat increased .

结论急性热暴露复合创伤兔早期血浆NO浓度先降低后升高，且与MAP的变化有一定关系。

Conclusions At the early stage of acute heat exposure and trauma , the concentration of serum NO declined at first and then increased , and had certain relationship with the change of MAP .

结论急性缺氧暴露可显著降低脑线粒体内的能量储备，而线粒体ATP生成能力降低是其原因之一；

Conclusion Acute hypoxic exposure can significantly decrease the energy reserve of brain mitochondria . The main cause is the drop of ATP production ability in mitochondria .

目的探讨急性镉暴露对大鼠白细胞免疫功能及血浆白细胞介素2（IL2）和皮质醇水平的影响。

Objective To study the effects of acute cadmium exposure on the immune function of white blood cells ( WBC ), plasma interleukin-2 ( IL-2 ) and cortisol levels in rats .

结果显示，大鼠急性缺氧暴露后大脑皮质线粒体RNA体外合成活性降低40%，蛋白质合成活性降低60%；

The results showed that there was a 40 % reduction in RNA synthesis and a 60 % inhibition in protein synthesis in isolated mitochondria in vitro in acute hypoxia exposure compared to control .

经过4周的间歇性低氧暴露后，得出以下结果：1）急性低氧暴露后，与常氧下各对应点相比，安静时的甲襞微循环形态积分、总积分均显著升高（P＜0.05）；

It is concluded that : 1 ) After the acute IHE , the configuration integral and overall integral of rest increased significantly compared with those of after ordinary oxygen ( P < 0.05 ) and this illuminates that significant change of nail microcirculation appeared .

表明中缅树鼠句肝脏对急性冷暴露的反应要比BAT快，但其BAT的产热能力强于肝脏。

It suggested that the liver of tree shrews respond more rapidly to cold exposure then BAT and the ability of thermogensis of BAT is better than that of liver .

方法：建立平台应激模型，运用Morris水迷宫来观察慢性应激和急性吗啡暴露对4周龄和10周龄大鼠空间记忆的影响。

Methods : Elevated platform stress protocol was established . Morris water maze was used to observe the effects of acute morphine exposure on spatial memory in 4-and 10-week-old stressed rats .

研究结果表明：1.急性低氧暴露10h与暴露前相比，表现为临床上的红细胞免疫功能亢进与紊乱；

Conclusion : 1 . After acute hypoxic exposure 10h , the red blood cell immune express clinical stimulated and confused compare to those of the time before hypoxic exposure .

目的通过观察氯霉素处理大鼠急性缺氧暴露后脑线粒体呼吸功能和细胞色素氧化酶（COX）活性变化，了解线粒体基因组表达在缺氧引起线粒体呼吸功能改变中的作用。

Objective To investigate the roles of mitochondrial DNA ( mtDNA ) in the respiratory function of cerebral mitochondria in rats exposed to acute hypoxia by observing the changes of mitochondrial respiratory function and cytochrome C oxidase ( COX ) activity .

方法：通过观察MDA、还原态GSH、SOD、CAT、GSHpx、MT等指标系统研究大鼠肝、睾丸两器官的细胞抗氧化体系在急性镉暴露后的时间变化规律。

Methods : Changes of cellular antioxidant system in acute Cd 2 + exposed rat testis and liver were observed . Indexes included oxidant damage index ( MDA and deoxidized GSH ), activities of cellular antioxidant enzymes ( SOD , CAT and GSHpx ) and MT expression level .

目的：研究β-内啡肽对急性低氧暴露下清醒大鼠下丘脑正中隆起和室旁核促甲状腺素释放激素（TRH）应答的影响。

AIM : To study the influences of β - endorphin (β - EP ) on the responses of thyrotropin-releasing hormone ( TRH ) in median eminence ( ME ) and paraventricular nucleus ( PVN ) of hypothalamus to acute hypoxia in conscious rats .

目的：本实验主要通过在暴露前、急性低氧暴露10h和间歇性低氧暴露4周末三个不同阶段进行定量负荷运动，观察机体红细胞免疫功能的变化规律。

Objective : In order to observe the variational rules of red blood cell immune function , we arrange a quantitative load exercise test before hypoxic exposure , acute hypoxic exposure 10h and 4 weeks intermittent hypoxic exposure ( IHE ) separately .

亚急性镉暴露大鼠血液免疫细胞和介质变化

Changes of blood immune cells and immune-mediators in subacute Cd-exposed rats

小鼠急性低氧暴露时脑微循环障碍的研究

The study of brain microcirculation in mice exposed to acute hypoxia

急性热暴露大白鼠肝脏热休克蛋白形成的研究

Induction of heat shock protein in rat liver by acute heat exposure

急性缺氧暴露不同时间家兔血浆心钠素、抗利尿激素、醛固酮的变化

Alteration of plasma anp , avp and ALD in rabbits exposed to hypoxia

急性寒冷暴露对大鼠血脑屏障通透性的影响研究

Effects of acute cold exposure on the permeability of blood-brain barrier in rats

急性低氧暴露小鼠外周血代谢组变化分析

Effects of acute hypoxia on plasma metabolome in mice

目的研究急性乙醇暴露下人原代培养肝细胞的氧化损伤。

Methods Human primary hepatocytes were isolated and cultured from human liver tissue .