A close structural analog of 2-methyl-6-(phenylethynyl)-pyridine acts as a neutral allosteric site ligand on metabotropic glutamate receptor subtype 5 and blocks the effects of multiple allosteric modulators.

abstract：:Cytosolic sulfotransferase 1C3 (SULT1C3) is the least characterized of the three human SULT1C subfamily members. Originally identified as an orphan SULT by computational analysis of the human genome, we recently reported that SULT1C3 is expressed in human intestine and LS180 colorectal adenocarcinoma cells and is upre...

journal_title：Molecular pharmacology

authors： Dubaisi S,Fang H,Kocarek TA,Runge-Morris M

更新日期：2016-11-01 00:00:00

abstract：:The effects of single and repeated electroconvulsive shock (ECS) on the binding of [3H]diprenorphine to rat brain membranes was studied. Repeated but not single ECS significantly increased the Bmax of [3H]diprenorphine binding when measured in the absence but not in the presence of NaCl. On a regional basis the effect...

journal_title：Molecular pharmacology

authors： Hitzemann RJ,Hitzemann BA,Blatt S,Meyerhoff JL,Tortella FC,Kenner JR,Belenky GL,Holaday JW

更新日期：1987-05-01 00:00:00

abstract：:The aim of this study was to clarify the mechanism by which cytochrome P450 (P450)-mediated catalytic activity is decreased following interferon (IFN) administration. Microsomal steroid hydroxylation was assessed to test the hypothesis that IFN selectively decreases the activities of individual P450 isozymes in male r...

journal_title：Molecular pharmacology

authors： Craig PI,Mehta I,Murray M,McDonald D,Aström A,van der Meide PH,Farrell GC

更新日期：1990-09-01 00:00:00

abstract：:Bitopic binding properties apply to a variety of muscarinic compounds that span and simultaneously bind to both the orthosteric and allosteric receptor sites. We provide evidence that fluorescent pirenzepine derivatives, with the M1 antagonist fused to the boron-dipyrromethene [Bodipy (558/568)] fluorophore via spacer...

journal_title：Molecular pharmacology

authors： Daval SB,Kellenberger E,Bonnet D,Utard V,Galzi JL,Ilien B

更新日期：2013-07-01 00:00:00

abstract：:Enzalutamide is a potent second-generation androgen receptor (AR) antagonist with activity in metastatic castrate-resistant prostate cancer (CRPC). Although enzalutamide is initially effective, disease progression inevitably ensues with the emergence of resistance. Intratumoral hypoxia is also associated with CRPC pro...

journal_title：Molecular pharmacology

authors： Fernandez EV,Reece KM,Ley AM,Troutman SM,Sissung TM,Price DK,Chau CH,Figg WD

更新日期：2015-06-01 00:00:00

abstract：:Upon sustained insult, kinins are released and many kinin responses, such as inflammatory pain, adapt from a B2 receptor (B2R) type in the acute phase to a B1 receptor (B1R) type in the chronic phase. In this study, we show that kinins modulate receptor endocytosis to rapidly decrease B2R and increase B1R on the cell ...

journal_title：Molecular pharmacology

authors： Enquist J,Skröder C,Whistler JL,Leeb-Lundberg LM

更新日期：2007-02-01 00:00:00

abstract：:Using cultured airway smooth muscle cells, we showed previously that the platelet-derived growth factor (PDGF) receptor uses the G-protein, G(i), to stimulate Grb-2-associated phosphoinositide 3-kinase (PI3K) activity. We also showed that this was an intermediate step in the activation of p42/p44 mitogen-activated pro...

journal_title：Molecular pharmacology

authors： Rakhit S,Pyne S,Pyne NJ

更新日期：2000-08-01 00:00:00

abstract：:The neuropeptides vasoactive intestinal peptide (VIP) and pituitary adenylate cyclase-activating peptide (PACAP) and their class II G protein-coupled receptors VPAC(1), VPAC(2), and PAC(1) play important roles in human physiology. No small molecule modulator has ever been reported for the VIP/PACAP receptors, and ther...

journal_title：Molecular pharmacology

authors： Chu A,Caldwell JS,Chen YA

更新日期：2010-01-01 00:00:00

abstract：:The cannabinoid field is currently an active research area. Anandamide (AEA) and 2-arachidonoylglycerol (2-AG) are the most characterized endogenous cannabinoids (also known as endocannabinoids). These neuromodulators have been implicated in various physiologically relevant phenomena, including mood (Witkin et al., 20...

journal_title：Molecular pharmacology

authors： Yates ML,Barker EL

更新日期：2009-07-01 00:00:00

abstract：:The in vivo bioavailability of exogenous fibroblast growth factor 2 (FGF2) was studied after i.v. injection of uniformly 14C-labeled FGF2 into young rats. 14C-FGF2 was rapidly accumulated in almost all solid organs within 5 min. After 30 min, more than 65% of FGF2 was retained in liver, 4.5% in kidneys, 1.2% in spleen...

journal_title：Molecular pharmacology

authors： Colin S,Jeanny JC,Mascarelli F,Vienet R,Al-Mahmood S,Courtois Y,Labarre J

更新日期：1999-01-01 00:00:00

abstract：:Hypertriglyceridemia is a frequent complication accompanying the treatment of patients with either retinoids or rexinoids, [retinoid X receptor (RXR)-selective retinoids]. To investigate the cellular and molecular basis for this observation, we have studied the effects of rexinoids on triglyceride metabolism in both n...

journal_title：Molecular pharmacology

authors： Davies PJ,Berry SA,Shipley GL,Eckel RH,Hennuyer N,Crombie DL,Ogilvie KM,Peinado-Onsurbe J,Fievet C,Leibowitz MD,Heyman RA,Auwerx J

更新日期：2001-02-01 00:00:00

abstract：:Dehydroepiandrosterone (DHEA) is a peroxisome proliferating agent when administered in pharmacological dosages, but it has not been shown to function through the peroxisome proliferator-activated receptor in cell-based assays. Because members of the thyroid hormone/vitamins A and D nuclear receptor subfamily, includin...

journal_title：Molecular pharmacology

authors： Webb SJ,Xiao GH,Geoghegan TE,Prough RA

更新日期：1996-02-01 00:00:00

abstract：:The initial event upon binding of insulin-like growth factor 1 to the insulin-like growth factor type-I receptor (IGF-1R) is auto-phosphorylation of tyrosine residues within the activation loop of the kinase domain followed by phosphorylation of other receptor tyrosine residues and the subsequent activation of the int...

journal_title：Molecular pharmacology

authors： Vasilcanu R,Vasilcanu D,Sehat B,Yin S,Girnita A,Axelson M,Girnita L

更新日期：2008-03-01 00:00:00

abstract：:Two structural models have been developed to explain how agonist binding leads to ionotropic glutamate receptor (iGluR) activation. At alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) iGluRs, full and partial agonists close the agonist-binding domain (ABD) to different degrees whereas agonist-induced do...

journal_title：Molecular pharmacology

authors： Fay AM,Corbeil CR,Brown P,Moitessier N,Bowie D

更新日期：2009-05-01 00:00:00

abstract：:Expression of the angiotensin II type 1 receptor (AT1-R) mRNA in vascular smooth muscle cells (VSMC) is down-regulated by a variety of agonists, including growth factors, agonists of Galphaq protein-coupled receptors, and activators of adenylyl cyclase. To determine whether cAMP-dependent protein kinases (PKA) partici...

journal_title：Molecular pharmacology

authors： Wang X,Murphy TJ

更新日期：1998-09-01 00:00:00

abstract：:At central excitatory synapses, the transient elevation of intracellular calcium reduces N-methyl-D-aspartate (NMDA) receptor activity. Such 'calcium-dependent inactivation' is mediated by interactions of calcium/calmodulin and alpha-actinin with the C terminus of NMDA receptor 1 (NR1) subunit. However, inactivation i...

journal_title：Molecular pharmacology

authors： Vissel B,Krupp JJ,Heinemann SF,Westbrook GL

更新日期：2002-03-01 00:00:00

abstract：:The peripheral cannabinoid receptor (CB2) is a G protein-coupled receptor that is both positively and negatively coupled to the mitogen-activated protein kinase (MAPK) and cAMP pathways, respectively, through a Bordetella pertussis toxin-sensitive G protein. CB2 receptor-transfected Chinese hamster ovary cells exhibit...

journal_title：Molecular pharmacology

authors： Bouaboula M,Desnoyer N,Carayon P,Combes T,Casellas P

更新日期：1999-03-01 00:00:00

abstract：:Ubiquitination plays a crucial role in regulating protein turnover. Here we show that ubiquitination regulates the stability of the MDR1 gene product, P-glycoprotein, thereby affecting the functions of this membrane transporter that mediates multidrug resistance. We found that P-glycoprotein was constitutively ubiquit...

journal_title：Molecular pharmacology

authors： Zhang Z,Wu JY,Hait WN,Yang JM

更新日期：2004-09-01 00:00:00

abstract：:The ADP-sensitive and K+ -sensitive phosphorylated forms of Na,K-ATPase (E1P and E2P, respectively) are believed to be the main phosphorylated intermediates of Na,K-ATPase. In the presence of 100 mM Na+, E2P is the major component of the phosphorylated form in all native Na,K-ATPase preparations known, including the m...

journal_title：Molecular pharmacology

authors： Yoda A,Yoda S

更新日期：1982-11-01 00:00:00

abstract：:Metabotropic glutamate receptor 5 (mGlu5) is a target for the treatment of central nervous system (CNS) disorders, such as schizophrenia and Alzheimer's disease. Furthermore, mGlu5 has been shown to play an important role in hippocampal synaptic plasticity, specifically in long-term depression (LTD) and long-term pote...

journal_title：Molecular pharmacology

authors： Noetzel MJ,Gregory KJ,Vinson PN,Manka JT,Stauffer SR,Lindsley CW,Niswender CM,Xiang Z,Conn PJ

更新日期：2013-04-01 00:00:00

abstract：:Cultured murine hepatoma 1c1c7 cells were treated with either the actin filament-disrupting drug cytochalasin D or the microtubule inhibitors colchicine and nocadazole (NOC) to assess the role of the cytoskeleton in the process of cytochrome P450 Cyp1a-1 induction. Indirect fluorescence analyses demonstrated that micr...

journal_title：Molecular pharmacology

authors： Schöller A,Hong NJ,Bischer P,Reiners JJ Jr

更新日期：1994-05-01 00:00:00

abstract：:Using [3H]leukotriene C4 (LTC4) and radioligand-binding techniques, specific leukotriene C4 binding sites have been identified in membranes derived from guinea pig ventricular myocardium. High performance liquid chromatography analyses indicated that, in the presence of the gamma-glutamyl transpeptidase inhibitor L-se...

journal_title：Molecular pharmacology

authors： Hogaboom GK,Mong S,Stadel JM,Crooke ST

更新日期：1985-02-01 00:00:00

abstract：:In Rat-1 fibroblasts, endothelin-1 and a protein kinase C-stimulating phorbol ester stimulated extracellular signal-regulated kinase (ERK), whereas phenylephrine, acting at stably transfected human alpha1A-adrenoceptors, inhibited basal and endothelin-1- and phorbol ester-stimulated ERK. On the other hand, phenylephri...

journal_title：Molecular pharmacology

authors： Alexandrov A,Keffel S,Goepel M,Michel MC

更新日期：1998-11-01 00:00:00

abstract：:cRNAs encoding the kappa-opioid receptor and an inwardly rectifying, G protein-coupled, K+ channel were coinjected into Xenopus oocytes. The effects of kappa-opioid receptor agonists and antagonists on the membrane currents in these oocytes were studied using the two-electrode voltage-clamp technique. The kappa-opioid...

journal_title：Molecular pharmacology

authors： Ma GH,Miller RJ,Kuznetsov A,Philipson LH

更新日期：1995-05-01 00:00:00

abstract：:Despite some blockbuster G protein-coupled receptor (GPCR) drugs, only a small fraction (∼ 15%) of the more than 390 nonodorant GPCRs have been successfully targeted by the pharmaceutical industry. One way that this issue might be addressed is via translation of recent deorphanization programs that have opened the pro...

journal_title：Molecular pharmacology

authors： Bolognini D,Tobin AB,Milligan G,Moss CE

更新日期：2016-03-01 00:00:00

abstract：:The current study was designed to investigate the importance of cationic amino acid transporters (CATs) for the L-arginine supply to nitric oxide (NO) synthases in mouse J774A.1 macrophages and human EA.hy926 endothelial cells. CAT-1 was expressed in both cell types, whereas CAT-2B was only expressed in activated macr...

journal_title：Molecular pharmacology

authors： Closs EI,Scheld JS,Sharafi M,Förstermann U

更新日期：2000-01-01 00:00:00

abstract：:Multidrug resistance-associated protein 2 (MRP2) transports glutathione conjugates, glucuronide conjugates, and sulfated conjugates of bile acids. In the present study, we examined the role of charged amino acids in the transmembrane domains of rat Mrp2, conserved among MRP families, using the isolated membrane vesicl...

journal_title：Molecular pharmacology

authors： Ito K,Suzuki H,Sugiyama Y

更新日期：2001-05-01 00:00:00

abstract：:Norcocaine nitroxide and N-hydroxynorcocaine were found to stimulate hepatic microsomal lipid peroxidation in vitro, as measured by spin-trapping techniques using the spin trap alpha-[4-pyridyl-1-oxide]-N-tert-butylnitrone. It was determined that either norcocaine nitroxide or N-hydroxynorcocaine markedly enhanced the...

journal_title：Molecular pharmacology

authors： Rosen GM,Kloss MW,Rauckman EJ

更新日期：1982-11-01 00:00:00

abstract：:[3H]Dihydroalprenolol ([3H]DHA) has been used extensively in receptor binding studies to measure beta-adrenergic receptors in the central nervous system. Usually, nonspecific binding has been defined by high concentrations of the beta-adrenergic receptor agonist isoproterenol or antagonists such as alprenolol or propr...

journal_title：Molecular pharmacology

authors： Riva MA,Creese I

更新日期：1989-07-01 00:00:00

abstract：:The GABA type A receptor (GABA(A)R) is the major inhibitory receptor in the mammalian central nervous system and the target of numerous pharmaceuticals. The alpha-subunit of these pentameric Cys-loop neurotransmitter-gated ion channels contributes to the binding of both GABA and allosteric modulators such as the benzo...

journal_title：Molecular pharmacology

authors： Hanek AP,Lester HA,Dougherty DA

更新日期：2010-07-01 00:00:00