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Carbon monoxide (CO) has been identified as an endogenous biological messenger in the brain. Heme oxygenase (HO) catalyzes the metabolism of heme to CO and biliverdin. Previously, we have shown the involvement of CO in central cardiovascular regulation, baroreflex modulation, and glutaminergic neuro-transmission in the nucleus tractus solitarii (NTS) of(More)
Recently we have shown functional involvement of the phosphatidylinositol 3-kinase (PI3K)-Akt-nitric oxide synthase (NOS) signaling pathway in central control of cardiovascular effects in the nucleus tractus solitarii (NTS) of normotensive Wistar-Kyoto (WKY) rats. In this study we determined whether PI3K/Akt signaling was defective in spontaneously(More)
BACKGROUND Previously, we have shown that nitric oxide (NO) plays a significant role in central cardiovascular regulation and modulates the baroreflex in the nucleus tractus solitarii (NTS) of rats. NO production is mediated by activation of NO synthase (NOS). Insulin signaling was involved in controlling peripheral blood pressure via the activation of(More)
BACKGROUND Nitric oxide (NO) plays an important role in central control of blood pressure (BP). An intrinsic defect in NO availability in brain nucleus contributes to the elevated BP in the spontaneously hypertensive rats (SHR). This study was aimed to investigate the effect of endothelial NO synthase (eNOS) gene delivery in the nucleus tractus solitarii(More)
Carbon monoxide has been shown to act as a neurotransmitter and neuronal messenger in the brain. Heme oxygenase catalyzes the conversion of heme to carbon monoxide and biliverdin. We have recently reported that carbon monoxide was involved in central cardiovascular regulation. Carbon monoxide modulated the baroreflex and may affect glutamatergic(More)
OBJECTIVE Nitric oxide (NO) and carbon monoxide (CO) are endogenously synthesized gaseous molecules that act as neurotransmitters in both central and peripheral nervous systems. Previously, we have shown the involvement of NO and CO in central cardiovascular regulation and baroreflex modulation. In this study we investigated the possible interaction of NO(More)
Pro-opiomelanocortin (POMC) is expressed in the nucleus tractus solitarii (NTS) of the brainstem, where nitric oxide (NO) plays an important role in cardiovascular regulation. The POMC-derived neuropeptides and their receptors are important regulators of energy homeostasis and cardiovascular functions in the central nervous system. In this study, we(More)
Carbon monoxide (CO) has been identified as an endogenous biological messenger in the brain. Heme oxygenase catalyzes the metabolism of heme to biliverdin and CO. Recent studies have demonstrated that CO is involved in central cardiovascular regulation and modulates the baroreflex in the nucleus tractus solitarii of rats. The purpose of the present study(More)
Carbon monoxide has been identified as an endogenous biological messenger in the brain. Heme oxygenase catalyzes the metabolism of heme to carbon monoxide and biliverdin. Previously, we have shown the involvement of carbon monoxide in central cardiovascular regulation, baroreflex modulation, and glutamatergic neurotransmission in the nucleus tractus(More)
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