Adenosine A2A Receptor Antagonist
Caffeine and a selective adenosine A2A receptor antagonist induce sensitization and cross-sensitization behavior associated with increased striatal dopamine in mice
... therapeutic effects in animal models of PD, which are medi- ated by mesolimic and nigrostrial dopaminergic pathways projected to the striatum, it is reasonable to hypothesize that caffeine and selective A 2A antagonists ...
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Effectiveness of Istradefylline for Fatigue and Quality of Life in Parkinson’s Disease Patients’ and of Their Caregivers’
... Adenosine A2A receptors are highly localized to the basal ganglia and are selectively localized on medium spiny neurons of the indirect output pathway, projecting from the striatum to the external globus ...
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Effects of adenosine A2a receptor agonist and antagonist on cere-bellar nuclear factor-kBexpression preceded by MDMA toxicity
... of A2a-R may be related to the inhibitory effects of these drugs on oxi- dative stress ...that A2a-R could inhibit inflamma- tion in the lung, at least in part, by sup- pressing NF-kB activation and ...
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Adenosine A2 Receptor: Novel Target for the Management of Parkinsonism
... It is a second-generation A2A receptor antagonist under investigation for the treatment of PD 35 . It is derived from SCH- 58261, a pharmacological tool used to specify the A2A receptor ...
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Adenosine A2A receptor antagonists act at the hyperoxic phase to confer protection against retinopathy
... vaso-obliteration and hypoxia-induced revascularization (Zhang et al. 2015). This proposal is further substantiated by a recent large prospective phase III clinical study “Caf- feine Therapy for Apnea of Prematurity” ...
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Critical Role of Hypoxia and A2A Adenosine Receptors in Liver Tissue-Protecting Physiological Anti-Inflammatory Pathway
... and A2A adenosine receptor (A2AR) gene deleted mice to low oxygen containing inspired gas mixture allowed the investigation of the mechanism that controls inflammatory liver damage and pro- tects the ...
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A2A adenosine receptor upregulation correlates with disease activity in patients with systemic lupus erythematosus
... and antagonist (SCH 442416; 1 μ M) on (a) interferon (IFN)- α , (b) tumor necrosis factor (TNF)- α , (c) interleukin (IL)-6, and (d) IL-1 β release in cultured lymphocytes of patients with systemic lupus ...
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Human adenosine A2A receptor : molecular mechanism of ligand binding and activation
... the antagonist- or inverse agonist- binding site of human A 2A ...The receptor is shown as cartoons and colored gray, residues and side chains that interact with the ligand are shown as sticks and colored ...
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Characterization of the trigeminovascular actions of several adenosine A2A receptor antagonists in an in vivo rat model of migraine
... Interestingly, adenosine (released centrally and periph- erally as a breakdown product of ATP) is another neuro- modulator that seems to play a role in migraine pathophysiology ...(i) adenosine plasma ...
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Structure activity relationships of the sustained effects of adenosine A2A receptor agonists driven by slow dissociation kinetics
... (no antagonist) ...observe antagonist-mediated reversal after 1 and 2 hours, where and 1aa and 3cd were significantly reversed, whereas 3ch remained ...dampen receptor responses over time may limit ...
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Role of adenosine in the sympathetic activation produced by isometric exercise in humans
... Whereas adenosine is a known inhibitory neuromodulator, there is increasing evidence that it activates afferent ...that adenosine stimulates muscle afferents and participates in the exercise pressor reflex ...
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Cellular Target Genes of Epstein-Barr Virus Nuclear Antigen 2
... A limited number of genes induced in either cell line was also validated. As a paradigm, a selected group of Notch tar- gets, the bHLH genes, was chosen and differentially induced in both cell lines according to the ...
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The pathophysiology of AHF—New insights from recent studies of novel diuretics and vascular modulating therapies
... Treatment of chronic congestive heart failure (HF) has improved substantially during the past decades, with the introduction of modulators of the renin an- giotensin aldosterone system (RAAS) such as angio- tensin ...
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Adenosine A2A receptor activation reduces recurrence and mortality from Clostridium difficileinfection in mice following vancomycin treatment
... ALZET mini-osmotic pumps (Model 1007D and 1002) were gifts from Dogwood Pharmaceuticals, Inc (Charlottesville, VA). The chemical structure and molecular weight of ATL370 are shown in Figure 1. The molecular weight of the ...
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A<sub>2A</sub> adenosine receptor-mediated increase in coronary flow in hyperlipidemic APOE–knockout mice
... Abstract: Adenosine-induced coronary vasodilation is predominantly A 2A adenosine receptor (AR)-mediated, whereas A 1 AR is known to negatively modulate the coronary flow ...to adenosine in ...
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Cryo EM structure of the adenosine A2A receptor coupled to an engineered heterotrimeric G protein
... Nb35), which was then subtracted from the original particles. The resulting particles were used to produce an accurate map of the micelle and thioredoxin, which was then used to perform signal sub- traction of the ...
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A network based approach to drug repositioning identifies plausible candidates for breast cancer and prostate cancer
... androgen receptor (AR) system plays vital roles in prostate cancer development and progression ...cell receptor, PI3K-Akt, FoxO, and insulin signaling pathways were highly ranked candi- dates with p < ...
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The inhibition of human lung fibroblast proliferation and differentiation by Gs coupled receptors is not predicted by the magnitude of cAMP response
... A key therapeutic goal in the treatment of IPF is to reduce tissue fibrosis, which may be achieved by enhan- cing signals that counteract fibrotic processes, and/or in- hibit signals and mediators that promote fibrosis. ...
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Adenosine A2A receptors promote collagen production by a Fli1 and CTGF mediated mechanism
... of adenosine are potentiated by HIF, which has been shown to stimulate the production of extracellular adenosine [36,37], and suppresses both adenosine uptake into the intracellular compartment and ...
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A2A adenosine receptor modulates drug efflux transporter P glycoprotein at the blood brain barrier
... that A2A AR activation by Lexiscan induced rapid interaction between P-gp and MMP9, suggesting possible cleavage of P-gp by MMP9 at ear- ly time points (Figure 4, F and ...
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