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Hiroyuki Ueno et al.
American journal of physiology. Renal physiology, 300(4), F976-F982 (2011-01-14)
An enhanced urethral closure reflex via the spinal cord is related to urethral resistance elevation during increased abdominal pressure. However, with the exception of monoamines, neurotransmitters modulating this reflex are not understood. We investigated whether the vasopressin V(₁A) receptor (V(₁A)R)
Daniela Braida et al.
Psychopharmacology, 220(2), 319-330 (2011-10-01)
Oxytocin (OT) and arginine-vasopressin (AVP) regulate social behavior in mammals. Zebrafish (Danio rerio) allows higher throughput and ease in studying human brain disorders. This study investigated in zebrafish the effect of non-mammalian homologs isotocin (IT) and vasotocin (AVT) in comparison
Andrea Kleindienst et al.
Acta neurochirurgica, 155(1), 151-164 (2012-11-29)
The hormone and neuropeptide arginine-vasopressin is designated to the maintenance of osmotic homoeostasis and blood pressure regulation. While experimental data show vasopressin V(1A) receptors to regulate aquaporin (AQP)4 water channel dependent brain water movement, the specific role in vasogenic and
Afshin Nazari et al.
Peptides, 32(12), 2459-2466 (2011-11-15)
The aim of the present study was to investigate the protective effect of various doses of exogenous vasopressin (AVP) against ischemia-reperfusion injury in anesthetized rat heart. Anesthetized rats were randomly divided into seven groups (n=4-13) and all of them subjected
Keisuke Taya et al.
Acta neurochirurgica. Supplement, 102, 425-429 (2008-01-01)
Currently, there are no pharmacological treatments available for traumatically induced brain edema and the subsequent rise of ICP. Evidence indicates that Aquaporin-4 (AQP4) plays a significant role in the pathophysiology of brain edema. Previously we have reported that SR49059 reduced
Anatol Manaenko et al.
Neurochemistry international, 58(4), 542-548 (2011-01-25)
Cerebral edema is a devastating consequence of brain injury leading to cerebral blood flow compromise and worsening parenchyma damage. In the present study, we investigated the effects of arginine-vasopressin (AVP) V(1a) receptor inhibition following an intracerebral hemorrhagic (ICH) brain injury
A Kleindienst et al.
Acta neurochirurgica. Supplement, 96, 303-306 (2006-05-05)
There exists no pharmacological treatment for fulminating brain edema. Since evidence indicates that brain aquaporin-4 (AQP4) water channels are modulated by vasopressin V1a receptors, we examined the edema-reducing properties of the selective V1a receptor antagonist, SR49059, following middle cerebral artery
Atsuo Tahara et al.
European journal of pharmacology, 538(1-3), 32-38 (2006-05-09)
Mesangial cells are centrally-located glomerular pericytes with contractile, endocrine, and immunity-regulating functions. These cells are thought to maintain normal glomerular function, since mesangial cell proliferation and extracellular matrix formation are hallmarks of chronic glomerular disease. Vasopressin causes mesangial cell contraction
Zhi Geng et al.
American journal of physiology. Heart and circulatory physiology, 318(1), H124-H134 (2019-12-14)
Elabela (ELA) is a newly discovered peptide that acts as a novel endogenous ligand of angiotensin receptor-like 1 (APJ) receptor. This study was designed to evaluate the effects of ELA-21 in paraventricular nucleus (PVN) on blood pressure and sympathetic nerve
Stanisław Kowalewski et al.
Medical science monitor : international medical journal of experimental and clinical research, 26, e926825-e926825 (2020-10-14)
BACKGROUND Orexin A (OXA) and vasopressin (AVP) exert a central hypertensive effect due to an increase in sympathetic nerve activity. To date, little is known about the interaction of these 2 neuropeptides in the central regulation of blood pressure. The
Xuanlan Chen et al.
Neuropeptides, 51, 63-73 (2015-04-01)
The aim of this study is to investigate local cardiac and circulating AVP secretion during heart failure and to determine whether AVP mediates ventricular remodeling. We assessed cardiac function and AVP levels of post-myocardial infarction (MI) heart-failure rats 3 weeks
Stuart R Hawtin
The Journal of biological chemistry, 281(21), 14604-14614 (2006-03-28)
Pharmacological chaperones represent a new class of ligand with the potential to facilitate the delivery of misfolded, but still active, G-protein-coupled receptors to the cell surface. Using transfected HEK 293T cells, treatment with a nonpeptide antagonist, SR49059, dramatically increased (
Sara M Freeman et al.
Social neuroscience, 12(2), 113-123 (2016-02-26)
Intranasal oxytocin (OT) affects a suite of human social behaviors, including trust, eye contact, and emotion recognition. However, it is unclear where oxytocin receptors (OXTR) and the structurally related vasopressin 1a receptors (AVPR1a) are expressed in the human brain. We
Kenji Okuno et al.
Acta neurochirurgica. Supplement, 102, 431-436 (2008-01-01)
We have pursued the concept that traumatic brain edema is predominantly cellular and that water entry is modulated in part by aquaporins. Aquaporin-4 (AQP4) has been shown to play a significant role in cellular edema formation. Phorbol myristate acetate (PMA)
Nichola M Brydges et al.
Translational psychiatry, 9(1), 330-330 (2019-12-11)
Impaired social function is a core feature of many psychiatric illnesses. Adverse experiences during childhood increase risk for mental illness, however it is currently unclear whether stress early in life plays a direct role in the development of social difficulties.
Julia Guetta et al.
American journal of respiratory cell and molecular biology, 47(5), 583-588 (2012-06-16)
In the last two decades, the role of the alveolar active sodium transport was extensively studied and was found to play a crucial role in regulating alveolar fluid clearance (AFC), and thus in keeping the airspaces free of edema. The
Raghavender Medishetti et al.
Journal of pharmacological and toxicological methods, 101, 106656-106656 (2019-11-18)
FXS is the leading cause of intellectual disabilities in males and a major monogenic cause of ASD (Autism spectrum disorders). It occurs due to the loss of FMRP, whose role in early development is not well understood. In this study
Shu-Zhen Sun et al.
Acta pharmacologica Sinica, 41(2), 198-207 (2019-09-14)
Evidence to date suggests that β-arrestins act beyond their role as adapter proteins. Arginine vasopressin (AVP) may be a factor in inflammation and fibrosis in the pathogenesis of heart failure. In the present study we investigated the effect of AVP
Piotr Pierzynski
Reproductive biomedicine online, 22(1), 9-16 (2010-12-07)
Embryo transfer, the final stage of IVF/embryo transfer (IVF/ET) treatment, independently influences treatment outcome.Successful embryo implantation following embryo transfer, among other factors, is also dependant on uterine receptivity.Uterine contractile activity may adversely affect the implantation. Although increased contractions have been
Ihab M Usta et al.
American journal of perinatology, 28(6), 449-460 (2010-12-21)
Preterm birth, the leading cause of neonatal morbidity and mortality, is estimated at incidence of 12.7% of all births, which has not decreased over the last four decades despite intensive antenatal care programs aimed at high-risk groups, the widespread use
Douglas G Tilley et al.
Circulation, 130(20), 1800-1811 (2014-09-11)
Enhanced arginine vasopressin levels are associated with increased mortality during end-stage human heart failure, and cardiac arginine vasopressin type 1A receptor (V1AR) expression becomes increased. Additionally, mice with cardiac-restricted V1AR overexpression develop cardiomyopathy and decreased β-adrenergic receptor (βAR) responsiveness. This
R Lemmens-Gruber et al.
Cellular and molecular life sciences : CMLS, 63(15), 1766-1779 (2006-06-24)
Effects of vasopressin via V1a- and V2-receptors are closely implicated in a variety of water-retaining diseases and cardiovascular diseases, including heart failure, hyponatraemia, hypertension, renal diseases, syndrome of inappropriate antidiuretic hormone secretion, cirrhosis and ocular hypertension. As vasopressin receptors are
Christopher Taveau et al.
Diabetologia, 58(5), 1081-1090 (2015-01-28)
High plasma copeptin, a marker of vasopressin (VP) secretion, has been shown to be associated with the metabolic syndrome and development of type 2 diabetes in humans. The present study was designed to determine the long-term influence of plasma VP
Jianping Zhu et al.
Gastroenterology research and practice, 2016, 4618672-4618672 (2016-02-05)
Background. Until now, the effect of arginine vasopressin (AVP) in the DMV on gastric motility and the possible modulating pathway between the DMV and the gastrointestinal system remain poorly understood. Objectives. We aimed to explore the role of AVP in
Elisabetta Perdonà et al.
European journal of pharmacology, 679(1-3), 16-23 (2012-01-31)
In the present study, adrenocorticotropic hormone (ACTH) release and intracellular calcium ([Ca(2+)](i)) increase induced by arginine vasopressin (AVP) were characterized in collagenase-dispersed and 3-day cultured rat anterior pituitary cells. AVP and the selective vasopressin V(1b) receptor agonist, [1-deamino-4-cyclohexylalanine]AVP (d[Cha(4)]AVP) induced
Margareta Steinwall et al.
Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 20(2), 104-109 (2005-04-13)
Relcovaptan (SR 49059) is a non-peptide, orally active vasopressin V1a receptor inhibitor. The effect on uterine contractions in 18 women with preterm labor in pregnancy weeks 32-36 was assessed in a double-blind investigation. The inclusion criterion was at least four
Véronique Perraudin et al.
The Journal of clinical endocrinology and metabolism, 91(4), 1566-1572 (2006-02-02)
Arginine vasopressin (AVP) stimulates steroid secretion from the normal human adrenal gland and some cortisol-producing adrenocortical tumors or hyperplasia through activation of the V(1a) receptor. The objective of the study was to investigate in vitro and in vivo the possible
Owen Jeffries et al.
Investigative ophthalmology & visual science, 51(3), 1591-1598 (2009-12-05)
To investigate the effects of arginine vasopressin (AVP) on Ca(2+) sparks and oscillations and on sarcoplasmic reticulum (SR) Ca(2+) content in retinal arteriolar myocytes. Fluo-4-loaded smooth muscle in intact segments of freshly isolated porcine retinal arteriole was imaged by confocal
J H Robben et al.
American journal of physiology. Renal physiology, 292(1), F253-F260 (2006-08-24)
Intracellular retention of a functional vasopressin V2 receptor (V2R) is a major cause of congenital nephrogenic diabetes insipidus (NDI) and rescue of V2R mutants by nonpeptide antagonists may restore their basolateral membrane (BM) localization and function. However, the criteria for
Post-treatment with SR49059 improves outcomes following an intracerebral hemorrhagic stroke in mice.
Anatol Manaenko et al.
Acta neurochirurgica. Supplement, 111, 191-196 (2011-07-05)
Intracerebral hemorrhage (ICH) is a devastating stroke subtype characterized by severe brain edema formation leading to cerebral blood flow compromise and parenchymal damage. Arginine vasopressin (AVP), a non-peptide antidiuretic hormone, has recently been implicated as a modulator of brain edema
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