Saori Tsunekawa

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The present study investigated whether the platelet-derived growth factor receptor (PDGFR)-beta-mediated mechanisms are involved in the hypoxic ventilatory response through modulating the N-methyl-D-aspartate (NMDA) function. The ventilatory changes during hypoxic challenge (10% O(2), 30 min) were measured plethysmographically in mice selectively lacking(More)
Dextromethorphan (DEX) is a widely used non-opioid antitussive. However, the precise site of action and its mechanism were not fully understood. We examined the effects of DEX on AMPA receptor-mediated glutamatergic transmission in the nucleus tractus solitarius (NTS) of guinea pigs. Excitatory postsynaptic currents (evoked EPSCs: eEPSCs) were evoked in the(More)
New ditopic sensory elements 2 and 3 for catecholamines based on a hexahomotrioxacalix[3]arene, with a boronic acid substituent appended, were designed and synthesized. As an interesting mode of molecular recognition at membrane surfaces, the host, when incorporated into poly(vinyl chloride) (PVC) liquid membranes, displayed excellent potentiometric(More)
Cough reflex is characterized by a large expulsive phase for expelling the mucus or particles from the airway. The present study investigated the involvement of N-methyl-D-aspartate (NMDA) mechanisms in the expulsive phase of cough reflex using decerebrate and paralyzed cats. A fictive cough was induced by repetitive stimulation of the superior laryngeal(More)
As an interesting type of molecular recognition at a membrane surface, the tri-O-acetic acid ester (host 2) of hexahomotrioxacalix[3]arene, when incorporated into poly(vinyl chloride) (PVC) liquid membranes, displays a high potentiometric selectivity for dopamine over, not only other catecholamines (noradrenaline, adrenaline), but also quaternary ammonium(More)
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