نتایج جستجو برای: nitrergic system
تعداد نتایج: 2231534 فیلتر نتایج به سال:
Perinatal asphyxia induces retinal lesions, generating ischemic proliferative retinopathy, which may result in blindness. Previously, we showed that the nitrergic system was involved in the physiopathology of perinatal asphyxia. Here we analyze the application of methylene blue, a well-known soluble guanylate cyclase inhibitor, as a therapeutic strategy to prevent retinopathy. Male rats (n = 28...
It was demonstrated in the Vogel conflict test (VCT) that the ventral portion of medial prefrontal cortex (vMPFC) of rats is involved with anxiety behavior. Moreover, the vMPFC local glutamatergic and nitrergic system interaction is involved in modulation of fear conditioning, a model of anxiety. To better understand the role of the MPFC-glutamatergic and nitrergic system on the VTC behavior re...
Background and aim: Aloe vera leaves have long been used in medicine and nutrition used by various communities. Some of the physiological effects of this plant have been used to treat some gastrointestinal disorders such as gastric ulcer, gastric acid back to esophagus. Therefore, In the present study, the effect of hydroalcoholic extract of aloe vera on mechanical activity of isolated colon of...
The morphology of interstitial cells of Cajal (ICC) in the circular muscle layer of the cynomolgus monkey internal anal sphincter (IAS) and rectum and their relationship to sympathetic and nitrergic nerves were compared by dual-labeling immunohistochemistry. Contractile studies confirmed that nitrergic nerves participate in neural inhibition in both regions whereas sympathetic nerves serve as e...
BACKGROUND Soluble guanylate cyclase (sGC) is the principal target of nitric oxide (NO) to control gastrointestinal motility. The consequence on nitrergic signaling and gut motility of inducing a heme-free status of sGC, as induced by oxidative stress, was investigated. METHODS sGCβ1 (H105F) knock-in (apo-sGC) mice, which express heme-free sGC that has basal activity, but cannot be stimulated...
Noradrenergic contractions induced by electrical field stimulation (EFS) of the rabbit anococcygeus muscle and the human and rabbit corpus cavernosum did not occur until termination of stimulation, even when EFS was applied for long periods (10 min). After treatment with a nitric oxide synthase inhibitor, a scavenger of NO, or a specific inhibitor of the soluble guanylate cyclase, EFS-induced c...
The α(7)-nicotinic ACh receptor (α(7)-nAChR) on sympathetic neurons innervating basilar arteries of pigs crossed bred between Landrace and Yorkshire (LY) is known to mediate nicotine-induced, β-amyloid (Aβ)-sensitive nitrergic neurogenic vasodilation. Preliminary studies, however, demonstrated that nicotine-induced cerebral vasodilation in pigs crossbred among Landrace, Yorkshire, and Duroc (LY...
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