The antidepressant agomelatine blocks the adverse effects of stress on memory and enables spatial learning to rapidly increase neural cell adhesion molecule (NCAM) expression in the hippocampus of rats
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Although the relationship between stress intensity and memory function is generally believed to follow an inverted-U-shaped curve, strikingly this phenomenon has not been demonstrated under the same experimental conditions. We investigated this phenomenon ...
Down syndrome (DS) is the most frequent cause of mental retardation in adults and children. It has been proposed that cognitive disabilities associated with DS may be ascribed to neurogenesis impairment during both development and adulthood. This view is s ...
Stress can have a strong and long lasting effect on the establishment and maintenance of dominance hierarchies in rats. When two rats of a pair have not been stressed (non-stressed pair) before a first social encounter, they establish a dominance hierarchy ...
The hippocampal dentate gyrus (DG) is one of the two sites where neurogenesis continues throughout life in the mammalian brain. Accumulating evidence suggests a unique contribution of adult-generated dentate neurons in hippocampal synaptic plasticity and h ...
Stress and glucocorticoids (GCs) can facilitate memory formation. However, the molecular mechanisms mediating their effects are largely unknown. alpha-Amino-3-hydroxy-5- methyl-4-isoxazolepropionic acid (AMPA) receptor (AMPAR) trafficking has been implicat ...
Cognitive impairment is a major concern in temporal lobe epilepsy (TLE). While different experimental models have been used to characterize TLE-related cognitive deficits, little is known on whether a particular deficit is more associated with the underlyi ...
Stress has been shown to modulate many aspects of physiology and behavior. In particular, substantial work has confirmed that stress is a strong modulator of learning and memory processes. It is more than a century that Yerkes and Dodson have shown that re ...
Chronic unpredictable stress (CUS) is a widely used animal model of depression. The present study was undertaken to investigate behavioral, physiological and molecular effects of CUS and/or chronic antidepressant treatment (venlafaxine or imipramine) in th ...
The exact function of the adult brain neurogenesis remains elusive, although it has been suggested to play a role in learning and memory processes. In our studies, we employed cyclin D2 gene knockout (cD2 KO) mice showing impaired neurogenesis as well as d ...
Down syndrome (DS) is the most frequent cause of cognitive disability in children and adults. It has been reported that defects in neurogenesis occur both during development and adulthood and possibly underlie cognitive dysfunction associated with DS. Rece ...