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Resuscitated hemorrhagic shock is believed to promote the development of acute lung injury (ALI) by priming the immune system for an exaggerated inflammatory response to a second trivial stimulus. This work explored effects of TLR4 on hemorrhage-induced ALI and “second-hit” responses, and further explore the mechanisms involved in “second-hit” responses.(More)
There is a need to develop animal models to study postoperative delirium. Inattention is one of the symptoms of delirium. Increases in the levels of α-synuclein and S100β have been reported to be associated with delirium. Therefore, we set out to determine the effects of surgery plus general anesthesia on the behavioral changes (including loss of attention)(More)
Mechanical ventilation can cause direct injury to the lungs, a type of injury known as ventilator-induced lung injury (VILI). VILI is associated with up-regulates angiotensinogen and AT1 receptor expression of in the lung. This work explored effects of losartan on VILI in diabetic mice. Ninty-six C57Bl/6 mice were randomly divided into six groups, control(More)
Activation of microglia is involved in a broad range of neuroinflammatory diseases. Suppression of microglial activation may, therefore, contribute to alleviate the progression of neuroinflammatory diseases. It has been reported that propofol has a potent anti-inflammatory property. In the present study, we investigated the effects of posttreatment with(More)
Postoperative delirium is associated with increased morbidity, mortality and cost. However, its neuropathogenesis remains largely unknown, partially owing to lack of animal model(s). We therefore set out to employ a battery of behavior tests, including natural and learned behavior, in mice to determine the effects of laparotomy under isoflurane anesthesia(More)
Although accumulating evidence has suggested that microRNAs (miRNAs) have a serious impact on cognitive function and are associated with the etiology of several neuro-psychiatric disorders, their expression in sevoflurane‑induced neurotoxicity in the developing brain has not been characterized. In the present study, the miRNAs expression pattern in neonatal(More)
Toll-like receptor 4 (TLR4) is a crucial receptor in the innate immune system, and increasing evidence supports its role in inflammation, stress, and tissue injury, including injury to the lung and brain. We aimed to investigate the effects of TLR4 on neuroinflammation due to the lung-brain interaction in mechanically ventilated mice. Male wild-type (WT)(More)
INTRODUCTION Patients undergoing surgery frequently develop neuropsychological disturbances, including cognitive decline or memory impairment, and routine clinical procedures such as mechanical ventilation (MV) may affect acute-phase brain outcome. We aimed to investigate the effect of the prolonged MV on postoperative memory dysfunction in surgical mice.(More)
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