Suzanne L Hansen

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Central to this investigation are several basic hypotheses that are designed to test the role of nitric oxide (NO) in the complex process of central regeneration and plasticity in a well established model system of the mammalian brain. We have employed histochemical techniques at the light and ultrastructural level coupled with correlative scanning electron(More)
Although animal models based on pentylenetetrazole (PTZ) are widely used, the mechanism by which PTZ elicits its action is not very well understood. At the molecular level, a generally accepted mechanism of PTZ is noncompetitive antagonism of the gamma-aminobutyric acid (GABA)(A) receptor complex. By a systematic pharmacological investigation of various(More)
Unlike the peripheral nervous system (PNS), the mammalian central nervous system (CNS) clearly lacks the robust regenerative characteristics and capacity of the former. Despite this fact, two unique regions of the adult mammalian CNS possess such regenerative potential and are capable of active regeneration following injury or structural compromise. These(More)
Dehydroepiandrosterone sulfate (DHEAS) is a neuroactive steroid with antagonist action at g-aminobutyric acid type A (GABAA) receptors. Patch-clamp techniques were used to investigate DHEAS actions at GABAA receptors of the rat pituitary gland at two distinct loci: posterior pituitary nerve terminals and intermediate pituitary endocrine cells. The GABA(More)
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