Interleukin 2 (IL-2) variants engineered for increased IL-2 receptor alpha-subunit affinity exhibit increased potency arising from a cell surface ligand reservoir effect.

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：:To determine the structural basis for binding subtype selective agonists in the beta-adrenergic receptor (beta AR), we examined the interaction of the mutant beta 2AR and chimeric beta 1/beta 2AR with a selective beta 2AR agonist, TA-2005 (8-hydroxy-5-[(1R)-1-hydroxy-2-[N-[(1R)-2-(p-methoxyphenyl)-1-methyle thy l] am...

journal_title：Molecular pharmacology

authors： Kikkawa H,Isogaya M,Nagao T,Kurose H

更新日期：1998-01-01 00:00:00

abstract：:To learn more about the binding conformation of phencyclidine (PCP) and to arrive at analogues of higher affinity, which may serve as noncompetitive N-methyl-D-aspartate receptor antagonists, eight optically pure PCP analogues were designed with the aid of computer. These compounds represent conformationally constrain...

journal_title：Molecular pharmacology

authors： Kozikowski AP,Pang YP

更新日期：1990-03-01 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：:K-252b, a member of the staurosporine family of protein kinase inhibitors, selectively potentiates the activation of the nerve growth factor receptor, TrkA, by a nonpreferred ligand, neurotrophin-3 (NT-3), in a variety of cell types. At higher (micromolar) concentrations of K-252b, an inhibitory effect occurs because ...

journal_title：Molecular pharmacology

authors： Pollack S,Young L,Bilsland J,Wilkie N,Ellis S,Hefti F,Broughton H,Harper S

更新日期：1999-07-01 00:00:00

abstract：:The delta family of ionotropic glutamate receptors consists of glutamate delta-1 (GluD1) and glutamate delta-2 receptors. We have previously shown that GluD1 knockout mice exhibit features of developmental delay, including impaired spine pruning and switch in the N-methyl-D-aspartate receptor subunit, which are releva...

journal_title：Molecular pharmacology

authors： Suryavanshi PS,Gupta SC,Yadav R,Kesherwani V,Liu J,Dravid SM

更新日期：2016-08-01 00:00:00

abstract：:Adenosine receptors of the A1 and A2 subtypes were characterized in membranes from DDT1 MF-2 smooth muscle cells. These cells possess a high density of A1 adenosine receptors (Bmax = 0.8-0.9 pmol/mg of protein), as measured by both agonist and antagonist radioligands. Agonists compete for [125I]N6-[2-(4-amino-3-iodoph...

journal_title：Molecular pharmacology

authors： Ramkumar V,Barrington WW,Jacobson KA,Stiles GL

更新日期：1990-02-01 00:00:00

abstract：:In saturation studies with [3H]dihydromorphine, unlabeled D-Ala2-D-Leu5-enkephalin (1 nM) inhibited the high-affinity binding component far more potently than the lower-affinity one. Similarly, morphine (1 nM) inhibited the higher-affinity binding of 3H-D-Ala2-D-Leu5-enkephalin to a greater extent than its lower-affin...

journal_title：Molecular pharmacology

authors： Nishimura SL,Recht LD,Pasternak GW

更新日期：1984-01-01 00:00:00

abstract：:Studies were carried out to elucidate the mechanism whereby thyroid hormone (T3) induces NADPH:cytochrome P450 oxidoreductase (P450R) mRNA in rat liver in vivo. Northern blot analysis revealed that T3 treatment increases unspliced liver nuclear P450R RNA 4-fold within 8 h and that this induction precedes the induction...

journal_title：Molecular pharmacology

authors： Li HC,Liu D,Waxman DJ

更新日期：2001-05-01 00:00:00

abstract：:We demonstrated previously that nonsteroidal anti-inflammatory drugs (NSAIDs) increased p27(Kip1) by inhibiting protein degradation to suppress the proliferation of human lung cancer cells. In this study, we elucidate the molecular mechanism by which NSAIDs modulate p27(Kip1) proteolysis. Immunoblotting and in vitro u...

journal_title：Molecular pharmacology

authors： Huang YC,Chuang LY,Hung WC

更新日期：2002-12-01 00:00:00

abstract：:TNP-ATP has become widely recognized as a potent and selective P2X receptor antagonist, and is currently being used to discriminate between subtypes of P2X receptors in a variety of tissues. We have investigated the ability of TNP-ATP to inhibit alpha,beta-methylene ATP (alpha,beta-meATP)-evoked responses in 1321N1 hu...

journal_title：Molecular pharmacology

authors： Burgard EC,Niforatos W,van Biesen T,Lynch KJ,Kage KL,Touma E,Kowaluk EA,Jarvis MF

更新日期：2000-12-01 00:00:00

abstract：:The level of cellular ceramide, an apoptotic rheostat, is increased by sphingomyelinase or de novo synthesis. The expression of the glutathione S-transferase (GST) gene, whose induction accounts for cell viability, is regulated by activation of CCAAT/enhancer binding protein-beta (C/EBPbeta) and NF-E2-related factor-2...

journal_title：Molecular pharmacology

authors： Park IN,Cho IJ,Kim SG

更新日期：2004-06-01 00:00:00

abstract：:Resveratrol (RES), a natural plant polyphenol, has gained interest as a nontoxic chemopreventive agent capable of inducing tumor cell death in a variety of cancer types. However, the early molecular mechanisms of RES-induced apoptosis are not well defined. Using the human breast cancer cell lines MDA-MB-231 and MCF-7,...

journal_title：Molecular pharmacology

authors： Sareen D,Darjatmoko SR,Albert DM,Polans AS

更新日期：2007-12-01 00:00:00

abstract：:The highly conserved Arg in the so-called DRY motif (Asp-Arg-Tyr) at the intracellular end of transmembrane helix 3 is in general considered as an essential residue for G protein coupling in rhodopsin-like seven transmembrane (7TM) receptors. In the open reading frame 74 (ORF74) receptor encoded by equine herpesvirus ...

journal_title：Molecular pharmacology

authors： Rosenkilde MM,Kledal TN,Schwartz TW

更新日期：2005-07-01 00:00:00

abstract：:TWIK-related K+ channel TREK1, a background leak K+ channel, has been strongly implicated as the target of several general and local anesthetics. Here, using the whole-cell and single-channel patch-clamp technique, we investigated the effect of lidocaine, a local anesthetic, on the human (h)TREK1 channel heterologousl...

journal_title：Molecular pharmacology

authors： Nayak TK,Harinath S,Nama S,Somasundaram K,Sikdar SK

更新日期：2009-10-01 00:00:00

abstract：:Bovine adrenal zona fasciculata (AZF) cells express a noninactivating K+ current (IAC) that sets the resting membrane potential and may mediate depolarization-dependent cortisol secretion. External ATP stimulates cortisol secretion through activation of a nucleotide receptor. In whole-cell patch clamp recordings from ...

journal_title：Molecular pharmacology

authors： Xu L,Enyeart JJ

更新日期：1999-02-01 00:00:00

abstract：:Epoxyeicosatrienoic acids (EETs), products of the cytochrome P-450 monooxygenase metabolism of arachidonic acid, can regulate the activity of ion channels. We examined the effects of EETs on cardiac L-type Ca2+ channels that play important roles in regulating cardiac contractility, controlling heart rate, and mediatin...

journal_title：Molecular pharmacology

authors： Chen J,Capdevila JH,Zeldin DC,Rosenberg RL

更新日期：1999-02-01 00:00:00

abstract：:Homopentameric complexes of either the A or As subunit of the 5-hydroxytryptamine3 receptor form Ca(2+)-permeable channels that can be activated by the selective agonist 1-(m-chlorophenyl)-biguanide (mCPBG). In both N1E-115 neuroblastoma cells and human embryonic kidney 293 cells stably expressing the 5-HT3 receptor A...

journal_title：Molecular pharmacology

authors： Hargreaves AC,Gunthorpe MJ,Taylor CW,Lummis SC

更新日期：1996-11-01 00:00:00

abstract：:Pharmacological studies suggest a role for CB1 cannabinoid receptors (CB1R) in regulating neurogenesis in the adult brain. To investigate this possibility, we measured neurogenesis by intraperitoneal injection of bromodeoxyuridine (BrdU), which labels newborn neurons, in wild-type and CB1R-knockout (CB1R-KO) mice. CB1...

journal_title：Molecular pharmacology

authors： Jin K,Xie L,Kim SH,Parmentier-Batteur S,Sun Y,Mao XO,Childs J,Greenberg DA

更新日期：2004-08-01 00:00:00

abstract：:The N-methyl-D-aspartate (NMDA) receptor is believed to play a major role in learning and in excitotoxic neuronal damage associated with stroke and epilepsy. Pregnenolone sulfate, a neurosteroid, specifically enhances NMDA-gated currents in spinal cord neurons, while inhibiting receptors for the inhibitory amino acids...

journal_title：Molecular pharmacology

authors： Wu FS,Gibbs TT,Farb DH

更新日期：1991-09-01 00:00:00

abstract：:Histone deacetylase inhibitors (HDACis) are currently in trial or are in clinical use for the treatment of a number of tumor types. The clinical efficacy of HDACis can be partly attributed to the modulation of the cell cycle by the HDACis. Here, we have examined the effects of N-(2-aminophenyl)-4-((4-pyridin-3-ylpyrim...

journal_title：Molecular pharmacology

authors： Chia K,Beamish H,Jafferi K,Gabrielli B

更新日期：2010-09-01 00:00:00

abstract：:In the hippocampus, two distinct forms of GABAergic inhibition have been identified, phasic inhibitory postsynaptic currents that are the consequence of the vesicular release of GABA and a tonic conductance that is activated by low ambient concentrations of extracellular GABA. It is not known what accounts for the dis...

journal_title：Molecular pharmacology

authors： Yeung JY,Canning KJ,Zhu G,Pennefather P,MacDonald JF,Orser BA

更新日期：2003-01-01 00:00:00

abstract：:The seven-transmembrane receptor Smoothened (Smo) is the major component involved in signal transduction of the Hedgehog (Hh) morphogens. Smo inhibitors represent a promising alternative for the treatment of several types of cancers linked to abnormal Hh signaling. Here, on the basis of experimental data, we generated...

journal_title：Molecular pharmacology

authors： Manetti F,Faure H,Roudaut H,Gorojankina T,Traiffort E,Schoenfelder A,Mann A,Solinas A,Taddei M,Ruat M

更新日期：2010-10-01 00:00:00

abstract：:The interaction between two nonhomologous K+ channel toxins, Tityus serrulatus (scorpion) toxin tityustoxin-K alpha (TsTX-K alpha) and Dendroaspis angusticeps (snake) toxin dendrotoxin (alpha-DTX), was investigated on K+ currents in B82 fibroblast cells transformed to express the Kv1.2 K+ channel. As demonstrated prev...

journal_title：Molecular pharmacology

authors： Werkman TR,Gustafson TA,Rogowski RS,Blaustein MP,Rogawski MA

更新日期：1993-08-01 00:00:00

abstract：:Understanding the molecular basis of ligand binding to receptors provides insights useful for rational drug design. This work describes development of a new antagonist radioligand of the type 1 cholecystokinin receptor (CCK1R), (2-fluorophenyl)-2,3-dihydro-3-[(3-isoquinolinylcarbonyl)amino]-6-methoxy-2-oxo-l-H-indole-...

journal_title：Molecular pharmacology

authors： Dong M,Vattelana AM,Lam PC,Orry AJ,Abagyan R,Christopoulos A,Sexton PM,Haines DR,Miller LJ

更新日期：2015-01-01 00:00:00

abstract：:Chronic morphine treatment has been shown to produce constitutive activation of mu-opioid receptors, and this transition might contribute to the development of tolerance and dependence. The apparent ability of chronic morphine to increase the spontaneous, agonist-independent activation of mu-opioid receptors may be un...

journal_title：Molecular pharmacology

authors： Liu JG,Prather PL

更新日期：2001-07-01 00:00:00

abstract：:The mouse adrenocortical Y-1 cell line has been found to express high affinity binding sites for neuropeptide Y (NPY). Pharmacological studies have shown that these NPY binding sites are of the Y1 type. Reverse transcription-polymerase chain reaction using primers specific for the rat Y1 receptor revealed that the NPY...

journal_title：Molecular pharmacology

authors： Weng G,Yee F,Michl P,Reis D,Wahlestedt C

更新日期：1995-07-01 00:00:00

abstract：:As a member of the transient receptor potential (TRP) ion channel superfamily, the ligand-gated ion channel TRPA1 has been implicated in nociceptive function and pain states. The endogenous ligands that activate TRPA1 remain unknown. However, various agonists have been identified, including environmental irritants (e....

journal_title：Molecular pharmacology

authors： Niforatos W,Zhang XF,Lake MR,Walter KA,Neelands T,Holzman TF,Scott VE,Faltynek CR,Moreland RB,Chen J

更新日期：2007-05-01 00:00:00

abstract：:The diphosphoinositol polyphosphates ("inositol pyrophosphates") are a specialized subgroup of the inositol phosphate signaling family. This review proposes that many of the current data concerning the metabolic turnover and biological effects of the diphosphoinositol polyphosphates are linked by a common theme: these...

journal_title：Molecular pharmacology

authors： Shears SB

更新日期：2009-08-01 00:00:00

abstract：:GABAA receptors are predominantly composed of alphabetagamma and alphabetadelta isoforms in the brain. It has been proposed that alphabetagamma receptors mediate phasic inhibition, whereas alphabetadelta receptors mediate tonic inhibition. Propofol (2,6-di-isopropylphenol), a widely used anesthetic drug, exerts its ef...

journal_title：Molecular pharmacology

authors： Feng HJ,Macdonald RL

更新日期：2004-12-01 00:00:00