Gabapentin enhances slow-wave sleep in patients with primary insomnia. It also improves sleep quality by elevating sleep efficiency and decreasing spontaneous arousal. The results suggest that gabapentin may be beneficial in the treatment of primary insomnia.
Acute lung injury (ALI) is a clinical syndrome mainly caused by Gram-negative bacteria which is still in need of an effective therapeutic medicine. EGb761, an extract of Ginkgo biloba leaves, has several bioeffects including anti-inflammation, cardioprotection, neuroprotection, and free radical scavenging. Preadministration of EGb761 inhibited lipopolysaccharide (LPS)-induced histopathological changes and exchange of arterial blood gas. In addition, LPS-induced expression of proinflammatory mediators, such as tumor necrosis factor (TNF)-α, interleukin (IL)-6, macrophage inflammatory protein (MIP)-2, inducible nitric oxide synthase (iNOS), and cyclooxygenase-2 (COX-2), were suppressed by EGb761. The activation of nuclear factor (NF)κB, a transcription factor of proinflammatory mediators, and phosphorylation of IκB, an inhibitor of NFκB, were also reduced by EGb761. Furthermore, we found the inhibitory concentration of EGb761 on phosphorylation of JNK and Akt was less than those of ERK and p38 MAPK. In conclusion, EGb761 is a potential protective agent for ALI, possibly via downregulating the JNK- and Akt-dependent NFκB activation pathway.
Endotoxins exist anywhere including in water pools, dust, humidifier systems, and machining fluids. The major causal factor is endotoxins in many serious diseases, such as fever, sepsis, multi-organ failure, meningococcemia, and severe morbidities like neurologic disability, or hearing loss. Endotoxins are also called lipopolysaccharide (LPS) and are important pathogens of acute lung injury (ALI). Rutin has potential beneficial effects including anti-inflammation, antioxidation, anti-hyperlipidemia, and anti-platelet aggregation. Pre-treatment with rutin inhibited LPS-induced neutrophil infiltration in the lungs. LPS-induced expression of vascular cell adhesion molecule (VCAM)-1 and inducible nitric oxide synthase (iNOS) was suppressed by rutin, but there was no influence on expression of intercellular adhesion molecule-1 and cyclooxygenase-2. In addition, activation of the nuclear factor (NF)κB was reduced by rutin. Furthermore, we found that the inhibitory concentration of rutin on expression of VCAM-1 and iNOS was similar to NFκB activation. In conclusion, rutin is a potential protective agent for ALI via inhibition of neutrophil infiltration, expression of VCAM-1 and iNOS, and NFκB activation.
Acute lung injury (ALI) is a clinical syndrome with high morbidity and mortality rates mainly caused by Gram-negative bacteria. Nevertheless, an effective treatment strategy for ALI is yet to be developed. Zerumbone, a sesquiterpene isolated from Zingiber zerumbet Smith, possesses several advantageous bioeffects such as antioxidation, anti-inflammation, and antiulcer. Pretreatment of zerumbone inhibited lipopolysaccharide (LPS)-induced arterial blood gas exchange, neutrophils infiltration, and increased pulmonary vascular permeability. LPS-induced expression of intercellular adhesion molecule-1 (ICAM-1) was inhibited by zerumbone at a lower concentration than that of vascular cell adhesion molecule-1 (VCAM-1). In addition, proinflammatory cytokines, such as interleukin (IL)-1β and macrophage inflammatory protein (MIP)-2 were suppressed by zerumbone. The phosphorylation of nuclear factor (NF)-κB, a proinflammatory transcription factor, and degradation of inhibitor of κB (IκB), an inhibitor of NF-κB, were also reduced by zerumbone. Furthermore, we found the inhibitory concentration of zerumbone on phosphorylation of p38 mitogen-activated protein kinase (MAPK) and c-Jun NH2-terminal kinase (JNK) was lower than that of extracellular signal-regulated kinase (ERK). In conclusion, zerumbone could be a potential protective agent for ALI, possibly via expression of ICAM-1, IL-1β, and MIP-2. The protective mechanism of zerumbone was by reversing the activation of p38 MAPK/JNK-IκB/NF-κB pathway.
Several patient- and institution-related factors may influence medication compliance. Therefore, for optimal outcomes, patients' awareness of the need for compliance with antihypertensive therapy must be enhanced, and effective intervention strategies should be developed.
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