نتایج جستجو برای: avp
تعداد نتایج: 2432 فیلتر نتایج به سال:
The increase of plasma arginin-vasopressin (AVP) release, which translates hypothalamic AVP neuron activation in response to immune challenge, appears to occur independently of plasma osmolality or blood pressure changes. Many studies have shown that major inflammatory mediators produced in response to peripheral inflammation, such as prostaglandin (PG)-E(2) and interleukin (IL)-1beta, excite A...
Objective To investigate the association between arginine vasopressin (AVP) levels and loop diuretic (LD) therapy in patients with heart failure and to determine if AVP levels are a prognostic indicator of treatment failure. Methods Patients with stable heart failure and reduced (< 40%) left ventricular ejection fraction (LVEF) were divided into those treated with (LD) or without LD (NLD). The ...
Oxytocin (OXT) and arginine-vasopressin (AVP) are two closely related neuropeptides and implicated in the regulation of mammalian social behaviors. A prior clinical study in our laboratory suggested that electro-acupuncture (EA) alleviated social impairment in autistic children accompanied by changes of peripheral levels of OXT and AVP. However, it remains unclear whether EA stimulation had an ...
Familial neurohypophyseal diabetes insipidus is an autosomal dominant disorder characterized by post-natal development of arginine vasopressin (AVP) deficiency due to mutations in the AVP gene. All published mutations affect the signal peptide or the neurophysin-II carrier protein and are presumed to interfere with processing of the preprohormone, leading to neuronal damage. We studied an unusu...
Preeclampsia, a cardiovascular disorder of late pregnancy, is characterized as a low-renin hypertensive state relative to normotensive pregnancy. Because other nonpregnant low-renin hypertensive disorders often exhibit and are occasionally dependent on elevated arginine vasopressin (AVP) secretion, we hypothesized a possible use for plasma AVP measurements in the prediction of preeclampsia. Cop...
In male rodents, the arginine-vasopressin-immunoreactive (AVP-ir) neurones of the bed nucleus of the stria terminalis (BNST) and medial amygdala are controlled by plasma testosterone levels (decreased after castration and restored by exogenous testosterone). AVP transcription in these nuclei is increased in adulthood by a synergistic action of the androgenic and oestrogenic metabolites of testo...
Yibchok-Anun, Sirintorn, Henrique Cheng, Patricia A. Heine, and Walter H. Hsu. Characterization of receptors mediating AVPand OT-induced glucagon release from the rat pancreas. Am. J. Physiol. 277 (Endocrinol. Metab. 40): E56–E62, 1999.—We characterized the receptors that mediate arginine vasopressin (AVP)and oxytocin (OT)-induced glucagon release by use of a number of antagonists in the perfus...
We present here the results of water restriction test (WRT) and hypertonic saline loading test (HSLT) in normal children. Maximal urine osmolality during WRT (W-Umax; 1040•}154mOsm/kg) may be age-dependent (W-Umax=812+23*age,r=0.52,p<0.05), although maximal arginine vasopressin (AVP) levels during WRT did not show any correlation with age. The relationship between plasma osmolality (Posm) and A...
Immunocytochemical studies have shown that adrenalectomy produces changes in the content and distribution of [arginine-8]vasopressin (AVP) immunoreactivity in the paraventricular nucleus of the hypothalamus. The purpose of this study was to determine whether manipulation of adrenal hormones affects the levels of AVP mRNA. In situ hybridization assays with highly specific synthetic oligodeoxyrib...
BACKGROUND Treatment of primary nocturnal enuresis using 1-deamino-8-D-arginine-vasopressin is based on the hypothesis that antidiuretic hormone (arginine vasopressin [AVP]) secretion is insufficient during the night. Persisting doubts about the theoretical background of this treatment and first results pointing to a different AVP regulation in children with nocturnal enuresis were the motives ...
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