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Magnetic field induced antiferromagnetic phase of the underdoped cuprates is studied within the t − t ′ − J model. A magnetic field suppresses the pairing amplitude, which in turn may induce antiferromagnetism. We apply our theory to interpret the recently reported quantum oscillations in high magnetic field in ortho-II YBa2Cu3O6.5 [1] and propose that the(More)
Systematic protein expression studies in the brain of exercising and sedentary animals have not been carried out so far and it was therefore decided to determine differences in metabolic protein levels in rat hippocampus of sedentary, voluntary and involuntary exercising rats by a proteomic approach. Aged, male Sprague-Dawley rats, 23 months old, were used(More)
There is evidence to suggest that low levels of magnesium (Mg) are associated with affective disorders, however, causality and central neurobiological mechanisms of this link are largely unproven. We have recently shown that mice fed a low Mg-containing diet (10% of daily requirement) display enhanced depression-like behavior sensitive to chronic(More)
The Multiple T-maze (MTM) and the Barnes maze (BM) are land mazes used for the evaluation of spatial memory. The observation that mice are performing differently in individual mazes made us test the hypothesis that differences in cognitive performances in the two land mazes would be accompanied by differences in hippocampal protein levels. C57BL/6J mice(More)
Antidepressant-related protein (NDRG2) is a member of the N-myc downstream-regulated gene family and a role for differentiation and signaling has been proposed. Performing protein profiling we observed NDRG2 and decided to characterize this important biomolecule. Estrous cycle phases were determined in Sprague-Dawley rats and the hippocampus was taken.(More)
There is information that proteins are expressed in a hormone-dependent manner but no systematic study on this subject has been carried out to the best of our knowledge. We therefore decided to investigate protein expression in a well-studied brain area, the hippocampus, in female rats at various phases of the estrous cycle and in male rats. Male and female(More)
Hippocampal function is known to be estrous-cycle-dependent but information on estrous-cycle-dependent protein expression is limited. It was therefore the aim to study protein levels of the neuronal network over the estrous cycle in the hippocampus of female rats and in males showing protein chemical neuroanatomy in this area. Female and male OFA(More)
The dopamine transporter (DAT) is a crucial regulator of dopaminergic neurotransmission, controlling the length and brevity of dopaminergic signaling. DAT is also the primary target of psychostimulant drugs such as cocaine and amphetamines. Conversely, methylphenidate and amphetamine are both used clinically in the treatment of attention-deficit(More)
The serotonin(1A) receptor (5-HT(1A) R) knock-out mouse (KO) is a widely used animal model for anxiety and cognitive function and regulation of signaling cascades by this receptor has been reported. We aimed to determine individual representatives of signaling cascades in order to screen 5-HT(1A) R-dependent signaling proteins (SPs). Hippocampal proteins(More)