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Although it has been postulated for many years that depression is associated with loss of synapses, primarily in the hippocampus, and that antidepressants facilitate synapse growth, we still lack ultrastructural evidence that changes in depressive behavior are indeed correlated with structural synaptic modifications.We analyzed hippocampal spine synapses of male rats (n = 127) with electron microscopic...
Elevated phosphorylation of neurotrophin-regulated transcription factors, such as cyclic adenosine monophosphate (cAMP)-response element binding protein (CREB), in the hippocampus has been proposed as a common mediator of antidepressant (ADT) efficacy in otherwise naïve rodents. The intracellular factors by which ADTs and glucocorticoids, causal factors in depression, regulate depression-like behavior...
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