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Lok-Hi Chow et al.
Peptides, 39, 21-28 (2012-11-13)
In our previous study, we showed that intrathecal (i.t.) administration of angiotensin IV (Ang IV), an insulin-regulated aminopeptidase (IRAP) inhibitor, attenuated inflammatory hyperalgesia in rats. Using the plantar test in rats with carrageenan-induced paw inflammation, we investigated the possible mechanism(s)
Raed Salim et al.
Obstetrics and gynecology, 120(6), 1323-1331 (2012-11-22)
To compare the tocolytic efficacy and tolerability of nifedipine with that of atosiban among pregnant women with preterm labor. Pregnant women admitted with preterm labor and intact membranes between 24 and 33 weeks 6 days of gestation, between January 2008
Effectiveness and safety of the oxytocin antagonist atosiban versus beta-adrenergic agonists in the treatment of preterm labour
versus Beta-agonists, The Worldwide Atosiban and others
British Journal of Obstetrics and Gynaecology, 108(2), 133-142 (2001)
Vassilis Tsatsaris et al.
Drugs, 64(4), 375-382 (2004-02-19)
Oxytocin antagonists are synthetic analogues that have the nonapeptide structure of oxytocin. They act by competing with oxytocin for receptors in the myometrium. Animal experiments and pilot clinical studies have examined several agents and, of these, atosiban has been the
Maryam Moghimian et al.
Stress (Amsterdam, Netherlands), 15(4), 385-392 (2011-11-03)
Previous studies showed the protective effects of oxytocin (OT) on myocardial injury in ischemic and reperfused rat heart. Moreover, exposure to various stressors not only evokes sudden cardiovascular effects but also triggers the release of OT in the rat. The
Allison Doyle Brackley et al.
The Journal of pharmacology and experimental therapeutics, 378(2), 96-107 (2021-05-16)
Opioid overdose intervention by naloxone, a high affinity receptor antagonist, reverses opioid-induced respiratory depression (OIRD) and analgesia by displacing opioids. Systemic naloxone stimulates release of the hypothalamic neuropeptide oxytocin, which has analgesic properties and participates in cardiorespiratory homeostasis. To test
Michaela G Cuneo et al.
Psychoneuroendocrinology, 106, 244-251 (2019-04-21)
Prior research demonstrates a protective role for oxytocin in ovarian cancer based on its anti-proliferative, anti-migratory, and anti-invasive effects in vitro and in vivo. However, the role of endogenous oxytocin has not been examined in ovarian cancer patients. Oxytocin also
Vuong Thi Ngoc Lan et al.
Reproductive biomedicine online, 25(3), 254-260 (2012-07-24)
This prospective cohort study examined the effects of atosiban on uterine contraction, implantation rate (IR) and clinical pregnancy rate (CPR) in women undergoing IVF/embryo transfer. The study enrolled 71 women with repeated implantation failure (RIF; no pregnancies from an average
Ming-Yih Wu et al.
Taiwanese journal of obstetrics & gynecology, 49(4), 495-499 (2011-01-05)
Pregnancies with extremely preterm premature rupture of membranes (EPPROM), especially before 20 weeks of gestation, are usually considered to be a termination of pregnancy. By improvement of obstetric and neonatal care, we can prolong the pregnancy across the threshold of
Jens Lyndrup et al.
Expert opinion on investigational drugs, 16(6), 843-853 (2007-05-16)
Preterm birth is the major cause of neonatal mortality and morbidity in the developed world. The perfect tocolytic that is uniformly effective with complete fetomaternal safety does not exist. Tocolytic agents differ in cost, utero-specificity, safety, efficacy and whether they
Paulina K Wrzal et al.
Cellular signalling, 24(1), 342-350 (2011-10-04)
The oxytocin receptor (OTR) and the β(2)-adrenergic receptor (β(2)AR) are key regulators of uterine contraction. These two receptors are targets of tocolytic agents used to inhibit pre-term labor. Our recent study on the nature of OTR- and β(2)AR-mediated ERK1/2 activation
Shotaro Hobo et al.
Anesthesia and analgesia, 114(2), 442-449 (2011-11-23)
Lumbar intrathecal injection of oxytocin produces antinociception in rats and analgesia in humans. Classically, oxytocin receptors couple to stimulatory G proteins, increase inositol-3-phosphate production, and result in neuronal excitation. Most work to date has focused on a spinal site of
Seung Pil Yun et al.
Molecular endocrinology (Baltimore, Md.), 26(7), 1144-1157 (2012-05-09)
Previous studies shows that connexins appear very early during murine embryo development, the gap junctional intercellular communication found in the inner cell mass of early embryo is also maintained in embryonic stem cells (ESC), and expression of oxytocin receptor (OTR)
Biswadeep Das et al.
Life sciences, 90(19-20), 763-769 (2012-04-25)
Oxytocin (OXT) pretreatment protects the heart during ischemia-reperfusion injury by activating ATP-dependent potassium (K(ATP)) channels. The aim of the current study was to elucidate the roles of nitric oxide synthaseNOS and myocardial biochemistry in the cardioprotective effects of OXT and
Yavuz Simsek et al.
Archives of gynecology and obstetrics, 286(3), 777-783 (2012-06-01)
The current study investigated the potential therapeutic efficiency of atosiban, an oxytocin receptor antagonist, in an experimental endometriosis model. Endometriosis was surgically induced in 35 female rats during estrus. Four weeks after this procedure, relaparotomy was performed. The viability and
Plato Mak et al.
Journal of psychopharmacology (Oxford, England), 26(4), 532-542 (2011-09-06)
Oxytocin (OT) and arginine vasopressin (AVP), in their capacities as neuromodulators, are believed to play an important role in mood control, including regulation of the anxiety response. In the present study, the contributions of oxytocin and vasopressin receptor modulation to
Konstantinos Kalmantis et al.
Archives of gynecology and obstetrics, 285(1), 265-270 (2011-08-09)
To compare endometrial and subendometrial morphological changes and vascularity as measured by 3D Power Doppler sonography, based on a specific scoring system between women subjected or not to oxytocine receptor antagonist (OTRa) during IVF cycles. Twenty-six women were divided into
Peter Husslein
Acta obstetricia et gynecologica Scandinavica, 81(7), 633-641 (2002-08-23)
The incidence of preterm birth has remained unchanged for the last few decades. This is due, in part, to the complex etiology of preterm labor, and the limited ability of tocolytic agents to prolong pregnancy as a result of limited
T Engstrøm et al.
Biology of reproduction, 63(5), 1443-1449 (2000-11-04)
In the present study we have shown that the genetic expression of prostaglandin (PG)F(2alpha) receptor (R) and cyclooxygenase (COX)-2 increases in laboring rat myometrium. This finding was associated with a relatively weak contractile in vitro response (E:(max)) of isolated uterine
A Tahara et al.
British journal of pharmacology, 129(1), 131-139 (2000-02-29)
[(3)H]-oxytocin was used to characterize the oxytocin receptor found in human uterine smooth muscle cells (USMC). Specific binding of [(3)H]-oxytocin to USMC plasma membranes was dependent upon time, temperature and membrane protein concentration. Scatchard plot analysis of equilibrium binding data
Pei-Yi Chou et al.
Taiwanese journal of obstetrics & gynecology, 50(2), 136-140 (2011-07-28)
This retrospective study aimed to investigate the use of an oxytocin antagonist in improving the pregnancy outcome of in vitro fertilization-embryo transfer (IVF-ET) in patients with repeated implantation failure (RIF). A total of 150 infertile couples with RIF undergoing IVF-ET
David M Haas et al.
BMJ (Clinical research ed.), 345, e6226-e6226 (2012-10-11)
To determine the most effective tocolytic agent at delaying delivery. Systematic review and network meta-analysis. Cochrane Central Register of Controlled Trials, Medline, Medline In-Process, Embase, and CINAHL up to 17 February 2012. Randomised controlled trials of tocolytic therapy in women
P J Shubert
Clinical obstetrics and gynecology, 38(4), 722-724 (1995-12-01)
The role of oxytocin and oxytocin receptors in preterm labor is perhaps more prominent than once thought. The blockade of oxytocin and/or oxytocin receptors has both a theoretical and clinical aspect. Initial trials with the oxytocin antagonist atosiban have been
Jia Qi et al.
Addiction biology, 17(4), 758-769 (2012-04-18)
Oxytocin (OT), a neurohypophyseal neuropeptide, affects adaptive processes of the central nervous system. In the present study, we investigated the effects of OT on extracellular levels of glutamate (Glu) and γ-aminobutyric acid (GABA) induced by methamphetamine (MAP) in the medial
Barbara Chruścicka et al.
ACS chemical neuroscience, 10(7), 3225-3240 (2019-05-01)
The oxytocin receptor (OTR) and the 5-hydroxytryptamine 2A receptor (5-HTR2A) are expressed in similar brain regions modulating central pathways critical for social and cognition-related behaviors. Signaling crosstalk between their endogenous ligands, oxytocin (OT) and serotonin (5-hydroxytryptamine, 5-HT), highlights the complex
An oxytocin receptor antagonist (atosiban) in the treatment of preterm labor: a randomized, double-blind, placebo-controlled trial with tocolytic rescue
Romero R, et al.
American Journal of Obstetrics and Gynecology, 182(5), 1173-1183 (2000)
Tongtong Che et al.
Journal of neurochemistry, 121(4), 516-525 (2012-02-24)
Oxytocin (OT) is clinically important in gut motility and constitutively reduces duodenum contractility. Intrinsic primary afferent neurons (IPANs), whose physiological classification is as AH cells, are the 1st neurons of the peristaltic reflex pathway. We set out to investigate if
Eran Hadar et al.
Harefuah, 150(6), 502-506 (2011-08-02)
Preterm delivery is a significant cause of neonatal morbidity and mortality. Pregnant women, with symptoms and signs consistent with preterm labor, can be treated with various tocolytic drugs. Atosiban is one of many drugs indicated to arrest imminent preterm labor.
Laura H M Seinen et al.
Nederlands tijdschrift voor geneeskunde, 157(1), A5316-A5316 (2013-01-10)
Nifedipine is used as a first choice tocolytic agent in many Dutch hospitals, but its use is discouraged in multiple gestations. Atosiban, a selective oxytocin receptor antagonist that rarely causes systemic side effects, is used as an alternative. A 32-year-old
Paweł Kuć et al.
Acta obstetricia et gynecologica Scandinavica, 91(8), 936-943 (2012-05-10)
To analyse the expression of 15 genes encoding receptors and enzymes associated with the molecular mechanism of the tocolytic drugs atosiban (oxytocin receptor antagonist), nifedipine (calcium channel blocker) and celecoxib (selective cyclo-oxygenase-2 inhibitor) in preterm labor patients with premature rupture
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