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Previous studies have shown that rapid eye movement (REM) sleep deprivation (RSD) exerts a detrimental effect on some memory tasks. However, whether post-learning RSD impairs memory for fear extinction, an important model of inhibitory learning, remains to be elucidated. The present study examined the effects of post-extinction RSD from 0 to 6 h and 6 to 12(More)
Previous studies have shown that melatonin is implicated in modulating learning and memory processing. Melatonin also exerts neuroprotective activities against Aβ-induced injury in vitro and in vivo. Neu-P11 (piromelatine, N-(2-(5-methoxy-1H-indol-3-yl)ethyl)-4-oxo-4H-pyran-2-carboxamide) is a novel melatonin (MT1/MT2) receptor agonist and a serotonin(More)
ATP-binding cassette transporter A1 (ABCA1) is critical in exporting cholesterol from macrophages and plays a protective role in the development of atherosclerosis. The purpose of this study was to investigate the effects of betulinic acid (BA), a pentacyclic triterpenoid, on ABCA1 expression and cholesterol efflux, and to further determine the underlying(More)
Previous studies have shown that opioid transmission plays an important role in learning and memory. However, little is known about the course of opiate-associated learning and memory deficits after cessation of chronic opiate use in a behavioral animal model. In the present study, we examined the effects of chronic morphine on fear extinction, an important(More)
Recent evidence has demonstrated that the ventromedial prefrontal cortex (vmPFC) is a critical site of the neural circuits underlying fear extinction memory. The ventrolateral prefrontal cortex (vlPFC) is not directly involved in extinction processes within the aversive domain. However, most of the current cumulated data on extinction is based on a(More)
There is increasing evidence that sleep may be involved in memory consolidation. However, there remain comparatively few studies that have explored the relationship between sleep and memory reconsolidation. At present study, we tested the effects of rapid eye movement sleep deprivation (RSD) on the reconsolidation of cued (experiment 1) and contextual(More)
ATP-binding cassette transporter A1 (ABCA1) plays a critical role in maintaining cellular cholesterol homeostasis. The purpose of this study is to identify the molecular mechanism(s) underlying ABCA1 epigenetic modification and determine its potential impact on ABCA1 expression in macrophage-derived foam cell formation and atherosclerosis development. DNA(More)
The article has been retracted by the Editor-in-Chief due to the fact that Figure 2 was copied from the earlier publication by Song et al., Involvement of autophagy in tri-ortho-cresyl phosphate-induced delayed neuropathy in hens, Neurochem. figure does not reflect the experiment described. The corresponding author has acknowledged this and agrees to the(More)
Recent studies have shown that autophagy is involved in peripheral nervous system disease. However, the role of autophagy in the pathogenesis of experimental autoimmune neuritis (EAN) remains unclear. Therefore, EAN was induced by a subcutaneous injection into both hind footpads of synthetic neuritogenic P2(57-81) peptide in male Lewis rats. The clinical(More)