نتایج جستجو برای: 046 and 089
تعداد نتایج: 16827855 فیلتر نتایج به سال:
Because modulation of cortical cholinergic neurotransmission has been hypothesized to represent a necessary mechanism mediating the beneficial cognitive effects of nicotine and nicotinic acetylcholine receptor (nAChR) subtype-selective agonists, we used choline-sensitive microelectrodes for the real-time measurement of ACh release in vivo, to characterize cholinergic transients evoked by nicoti...
ABT-089 [2-methyl-3-(2-(S)-pyrrolidinylmethoxy)pyridine dihydrochloride], a novel ligand at neuronal nicotinic acetylcholine receptors with reduced adverse effects and improved oral bioavailability relative to (-)-nicotine, was tested in a variety of cognitive tests in rats and monkeys. Administered acutely, ABT-089 only marginally improved the spatial discrimination water maze performance of s...
Received: July 15, 2005 Accepted for publication: November 16, 2005 From the Department of Surgery, Mackay Memorial Hospital Taitung Branch, Taiwan Address for reprints: Dr. Ruey-An Chiang, 1 Lane 303, Changsha Street, Taitung City, Taitung County 950, Taiwan, R.O.C. Department of Surgery, Mackay Memorial Hospital Taitung Branch, Taiwan Tel: (089) 310150 Fax: (089) 321240 E-mail: [email protected]....
Although nicotine mediates its effects through several nicotinic acetylcholine receptor (nAChR) subtypes, it remains to be determined which nAChR subtypes directly mediate heightened anxiety during withdrawal. Relative success in abstinence has been found with the nAChR partial agonist varenicline (Chantix; Pfizer, Groton, CT); however, treatment with this drug fails to alleviate anxiety in ind...
Spodoptera frugiperda (Lepidoptera: Noctuidae) is a major pest in maize crops in Colombia, and affects several regions in America. A granulovirus isolated from S. frugiperda (SfGV VG008) has potential as an enhancer of insecticidal activity of previously described nucleopolyhedrovirus from the same insect species (SfMNPV). The SfGV VG008 genome was sequenced and analyzed showing circular double...
The effect of a selective thromboxane synthetase inhibitor, OKY-046, and a selective 5-lipoxygenase inhibitor, AA-861, on bronchial responsiveness to acetylcholine was studied in 23 asthmatic subjects. The provocative concentration of acetylcholine producing a 20% fall in forced expiratory volume in one second (PC20 FEV1) was measured before and after oral administration of OKY-046 (3000 mg ove...
Although nicotine mediates its effects through several nicotinic acetylcholine receptor (nAChR) subtypes, it remains to be determined which nAChR subtypes directly mediate heightened anxiety during withdrawal. Relative success in abstinence has been found with the nAChR partial agonist varenicline (Chantix; Pfizer, Groton, CT ); however, treatment with this drug fails to alleviate anxiety in in...
We examined the effect of thromboxane A2 (TXA2) synthetase inhibitor, OKY-046, on bronchoconstriction induced by antigen and various spasmogenic mediators in guinea pigs in vivo. Further, inhibitory activities of OKY-046 on contractions of isolated tracheae and lung parenchymal strips induced by various contractile agents were also investigated in vitro. OKY-046, but not indomethacin, significa...
The experience of conscious will is the feeling that we are doing things. This feeling occurs for many things we do, conveying to us again and again the sense that we consciously cause our actions. But the feeling may not be a true reading of what is happening in our minds, brains, and bodies as our actions are produced. The feeling of conscious will can be fooled. This happens in clinical diso...
Abstract Many high-yielding varieties of rice have been released, but generally lack good quality. This study aimed to examine the agronomic performance several new plant types black F3 lines at two medium altitude. The research was carried out on fields in Tallunglipu District, North Toraja Regency with an altitude 850 m above sea level. took place from May 2020 November 2022. used Single Seed...
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