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Journals and Conferences
NR1/NR2A is a subtype of N-methyl-d-aspartate receptors (NMDARs), which are glutamate and glycine-gated Ca(2+)-permeable channels highly expressed in the central nervous system. A high-throughput screening (HTS) campaign using human osteosarcoma (U-2 OS) cells transiently transduced with NR1/NR2A NMDAR subunits, tested in a specifically designed… (More)
We tested fluoxetine, bupropion and GR 205171, a selective neurokinin-1 receptor antagonist on forced swimming test (FST) response and on levels of monoamines in frontal cortex of CD1 mice by microdialysis techniques. All drugs decreased immobility time. Fluoxetine augmented all monoamines, bupropion enhanced catecholamines, and GR 205171 was totally… (More)
BACKGROUND Dopamine D(3) receptors are involved in the pathophysiology of several neuropsychiatric conditions. [(11)C]-(+)-PHNO is a radiolabeled D(2) and D(3) agonist, suitable for imaging the agonist binding sites (denoted D(2HIGH) and D(3)) of these receptors with positron emission tomography (PET). PET studies in nonhuman primates documented that, in… (More)
1 In this study, [(3)H]GR205171 (3(S)-(2-methoxy-5-(5-trifluoromethyltetrazol-1-yl)-phenylmethylamino)-2(S)-phenylpiperidine), a potent and selective NK1 receptor antagonist, was characterised in autoradiographic studies in gerbil brain and in binding experiments on homogenates from gerbil and human brain cortex and striatum. 2 In autoradiographic studies… (More)
1 A possible role of arginine vasopressin (AVP) V(1b) receptor subtype in stress-related disorders has been recently highlighted by the discovery of the agonist [1-deamino-4-cyclohexylalanine] AVP (d[Cha(4)]AVP) and the antagonist SSR149415. Both compounds have been proposed to target specifically V(1b) receptors, since the reported affinities for the… (More)
1. Increasing evidence indicates that guanyl protein coupled receptors (GPCRs), including members of the vasopressin (VP) receptor family can act as homo- and heterodimers. Regulated expression and interaction of pituitary VP V1b receptor (V1bR) and corticotropin releasing hormone receptor type 1 (CRHR1) are critical for hypothalamic pituitary adrenal (HPA)… (More)
The lead optimization process to identify new selective dopamine D(3) receptor antagonists is reported. DMPK parameters and binding data suggest that selective D(3) receptor antagonists as potential PET ligands might have been identified.
The last two decades have provided a large weight of preclinical data implicating the neurokinin-1 receptor (NK1) and its cognate ligand substance P (SP) in a broad range of both central and peripheral disease conditions. However, to date, only the NK1 receptor antagonist aprepitant has been approved as a therapeutic and this is to prevent… (More)
A focused exploration targeting conformationally restricted analogues of Vestipitant, resulted in the discovery of novel, in vitro potent NK(1) antagonists. In particular, two of the compounds reported exhibited a good pharmacokinetic (PK) profile and produced anxiolytic-like effects in the gerbil foot tapping (GFT) in vivo model.
GlaxoSmithKline Medicines Research Centre, Screening and Compound Profiling (AB, EB, CC), Computational and Structural Science (AMC), Medicinal Chemistry (FC), Molecular and Cellular Biology (AS, CG, FA, MN), 37135 Verona, Italy GlaxoSmithKline R&D Pharmaceuticals, Screening and Compound Profiling (LG, SAS-S), Tres Cantos, Spain JPET Fast Forward. Published… (More)