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Topic: Dopamine receptor

Ads by Google Related Topics transmembrane receptor G protein coupled receptors receptor biochemistry sensory receptor acetylcholine receptor receptor proteomics Adrenergic receptor olfactory receptor neuron peroxisome proliferator activated receptor nicotinic acetylcholine receptor muscarinic acetylcholine receptors      Ian Creese Zhang,M., Ouagazzal, A. and Creese, I., Regulation of motor behavior by dopamine receptor subtypes: an antisense knockout approach. Creese, I. and Iversen, S.D., The role of forebrain dopamine systems in amphetamine induced stereotyped behavior in the rat. Creese, I., Kuczenski, R. and Segal, D., Lack of behavioral evidence for dopamine autoreceptor subsensitivity after acute electroconvulsive shock. http://www.cmbn.rutgers.edu/faculty/creese.html   (5296 words)      Molecular Biology of the Dopamine Receptor Subtypes The depletion of dopamine resulting from the degeneration of the nigrostriatal pathway led to the development of dopamine-replacement therapies which are successful in alleviating Parkinson's disease ( These data explain the dilemma associated with dopamine-related drug therapies: The blockade of the dopaminergic system, desired for reducing psychoses, induces extrapyramidal dysfunctions and vice versa. The mesocorticolimbic pathway has been implicated as the principal dopaminergic pathway involved in the etiology of psychoses. http://www.acnp.org/G4/GN401000014/CH014.html   (3591 words)      Dopamine Receptor Expression in the Central Nervous System In situ hybridization studies performed in this laboratory in the rat suggest that the cells of the substantia nigra and ventral tegmental area do not express D ) has profoundly changed our understanding of dopamine receptor anatomy and pharmacology. We have chosen to concentrate our efforts on the rat brain, because with the exception of a few publications in the human and primate brain ( http://www.acnp.org/g4/gn401000019/ch019.html   (4784 words)      Homologous Desensitization of the D1A Dopamine Receptor: Efficacy in Causing Desensitization Dissociates from Both ... Sibley DR, Strasser RH, Caron MG and Lefkowitz RJ (1985) Homologous desensitization of adenylate cyclase is associated with phosphorylation of the Undie AS and Friedman E (1992) Selective dopaminergic mechanism of dopamine and SKF38393 stimulation of inositol phosphate formation in rat brain. The second set of experiments characterized drugs as full or partial agonists by assessing their intrinsic activity (and potency) http://jpet.aspetjournals.org/cgi/content/full/286/1/345   (6076 words)      Agonist-Specific Coupling of a Cloned Drosophila melanogaster D1-Like Dopamine Receptor to Multiple Second Messenger ... Nassel DR, Elekes K (1992) Aminergic neurons in the brain of blowflies and Drosophila: dopamine-and tyrosine hydroxylase-immunoreactive neurons and their relationship with putative histaminergic neurons. blockade of dopamine responses by a range of synthetic antagonists. responsible for coupling the receptor to the pathway responsible http://www.jneurosci.org/cgi/content/full/17/17/6545   (5759 words)      Reversal of Dopamine D2 Receptor Responses by an Anandamide Transport Inhibitor -- Beltramo et al. 20 (9): 3401 -- ... Russell V (2000) The nucleus accumbens motor-limbic interface of the spontaneously hypertensive rat (SHR) as studied in-vitro by the superfusion slice technique. Effects of AM404 on the behavioral responses elicited by the dopamine D CB1 receptor agonists elicit a broad spectrum of behavioral responses that include catalepsy, analgesia, reduced movement, http://www.jneurosci.org/cgi/content/full/20/9/3401   (4925 words)      D1 and D2 Dopamine Receptor Messenger Ribonucleic Acid in Brain and Pituitary during the Reproductive Cycle of the ... Values are expressed as the mean ± SEM. ICV infusion experiments then suggested that different dopamine The present study suggests that a similar mechanism http://www.biolreprod.org/cgi/content/full/60/6/1378   (3441 words)      Association between the Dopamine D2 Receptor A2/A2 Genotype and Smoking Behavior in the Japanese -- Yoshida et al. 10 ... Koob G. Drugs of abuse: anatomy, pharmacology and function of reward pathways. Cheng L. S., Swan G. E., Carmelli D. A genetic analysis of smoking behavior in family members of older adult males. For the study presented here, we investigated possible links http://cebp.aacrjournals.org/cgi/content/full/10/4/403   (2398 words)      OHSU Scientists Discover Mice Lacking Dopamine Receptor Are Supersensitive To Alcohol, Cocaine And Methamphetamine Dopamine producing neurons continue to be the focus of research because of their widespread importance in regulating complex locomotor, emotional and motivational states." This story has been adapted from a news release issued by Oregon Health Sciences University. Disturbances in the dopamine system are known to be associated with human disorders such as Parkinson's disease, schizophrenia and addiction. http://www.sciencedaily.com/releases/1997/09/970923034045.htm   (681 words)      Treatment with Medicines - Dopamine receptor agonists DAs therefore restore the missing dopamine signal in the brain, allowing the brain to correctly control body movement once more. These signals allow the brain to co-ordinate and control your body movement. Bromocriptine associated with a peripheral dopamine blocking agent in the treatment of Parkinson’s disease. http://www.parkinsonsdisease.com/lwp/lwp7c.htm   (622 words)      New Findings On Dopamine Receptor Biology: Implications For Mental Illness The breakthrough centers around the brain's folate pathways and the D-4 dopamine receptor, which is thought to play a vital role in human attention and cognition. D4 dopamine receptor-mediated phospholipid methylation and its implications for mental illnesses such as schizophrenia While researchers have long suspected that dopamine and folate contribute to mental illness, they have not been able to show how. http://www.eurekalert.org/pub_releases/1999-05/MP-NFOD-190599.php   (371 words)      Arthritis Issues - Parkinson's Drug Eases Fibromyalgia Pain Almost half the patients who took pramipexole, which stimulates dopamine production in the brain, reported a 50 percent drop in pain, compared to only 14 percent of those who took a placebo. FRIDAY, July 29 (HealthDay News) -- A drug used to treat Parkinson's disease seems to significantly reduce pain in severely ill fibromyalgia patients, a new study suggests. Holman said that the drug, which stimulates dopamine production by binding to dopamine receptor sites in the brain, appears to reduce "the inappropriately active" sensory nerve responses that cause fibromyalgia patients to feel pain. http://www.arthritisissues.com/ms/news/527107/main.html   (719 words)      News - Smokers Show Reduced Dopamine D1 Receptor Density Such a hypodopaminergic state may play a critical role in sustaining nicotine-seeking behavior. The postsynaptic mesolimbic dopamine system may be chronically underactive in smokers, either as an antecedent or consequence of addiction to cigarettes. Or, alternatively, an inherited reduction in dopamine receptors in the striatum may be linked with an increased risk of addiction behavior. http://docguide.com/news/content.nsf/news/8525697700573E1885256AE10060A444   (479 words)      Publications at the Graybiel Lab Schoen, S.W. and Graybiel, A.M. (1993) Species-specific patterns of glycoprotein expression in the developing rodent caudoputamen: Association of 5'-nucleotidase activity with dopamine islands and striosomes in rat, but with extrastriosomal matrix in mouse. Canales, J.J. and Graybiel, A.M. (2000) Patterns of gene expression and behavior induced by chronic dopamine treatments. Paul, M.L., Graybiel, A.M., David, J.-C. and Robertson, H.A. (1992) D1-like and D2-like dopamine receptors synergistically activate rotation and c-fos expression in the dopamine-depleted striatum in a rat model of Parkinson's disease. http://web.mit.edu/bcs/graybiel-lab/pub.html   (5941 words)      SELECTIVE ACTIVATION OF DOPAMINE RECEPTOR SUBPOPULATIONS Such drugs would provide "pharmacological scalpels" for perturbing selected aspects. To begin to elucidate the mechanisms of functional selectivity, my experiments will focus on the actions of DHX on D2 receptor functions in rat striatum. The development of drugs (such as the hexahydrobenzo[a]phenathridines) with functional selectivity may lead to dramatically improved pharmacotherapies by providing opportunities for targeting a subset of receptor-linked events, thus avoiding the undesirable side effects due to widespread activation or blockade of receptor functions. http://www.med.unc.edu/wrkunits/1dean/research/Mailman243.html   (414 words)      Centre de recherche en neurobiologie - RECHERCHES ET PUBLICATIONS Guertin, P. and J. Hounsgaard (1999) L-type calcium channels but not N-methyl-D-aspartate receptor channels mediate rhythmic activity induced by cholinergic agonist in motoneurons from turtle spinal cord slices. Barden, F. Holsboer and J.M. Reul (2000) Glucocorticoid receptor impairment alters CNS responses to a psychological stressor: an in vivo microdialysis study in transgenic mice. Drolet (2000) Effect of stress exposure on the activation pattern of enkephalin-containing perikarya in the rat ventral medulla. http://www.crn.crchul.ulaval.ca/neurobiologie/publi.html   (5561 words)      aripiprazole - definition of aripiprazole in the Medical dictionary - by the Free Online Medical Dictionary, Thesaurus ... An antipsychotic drug that functions as a partial dopamine receptor agonist and is used in the treatment of schizophrenia and other psychoses. http://medical-dictionary.thefreedictionary.com/aripiprazole   (93 words)      Quantitative Comparison of Functional Screening by Measuring Intracellular Ca2+ With Radioligand Binding at Recombinant ... Amantadine is used as a drug in the treatment of Parkinson’s disease even though its efficacy is poor compared to L-dopa’s. Seven agonists of dopamine receptors (hD1 and/or hD2) were tested for agonistic behavior in the Ca Dopamine receptors are involved in disorders like Parkinson’s disease or schizophrenia and therefore represent important targets for these diseases. http://www.aapspharmsci.org/view.asp?art=ps040431   (3711 words)      Low Dopamine D2 Receptor Binding Potential in Social Phobia -- Schneier et al. 157 (3): 457 -- American Journal of ... Johnson MR, Lydiard RB, Zealberg JJ, Fossey MD, Ballenger JC: Plasma and CSF levels in panic patients with comorbid social phobia. Receptor Binding Potential in Patients With Generalized Social Phobia and Healthy Comparison Subjects This study is limited by the small number of subjects. http://ajp.psychiatryonline.org/cgi/content/full/157/3/457   (1439 words)      Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations 550201 -- Biochemistry-- Tracer Techniques; ACETYLCHOLINE-- SECRETION;CYCLASES-- ENZYME ACTIVITY;DOPAMINE-- BIOCHEMICAL REACTION KINETICS;DOPAMINE-- RECEPTORS; CHOLINE;IN VITRO;RABBITS;RETINA;TRACER TECHNIQUES;TRITIUM COMPOUNDS Availability information may be found in the Availability, Publisher, Research Organization, Resource Relation and/or Author (affiliation information) fields and/or via the "Full-text Availability" link. Pharmacological and biochemical characterization of the D-1 dopamine receptor mediating acetylcholine release in rabbit retina http://www.osti.gov/energycitations/product.biblio.jsp?osti_id=5363117   (122 words)      Dopamine receptor - Wikipedia, the free encyclopedia In schizophrenics, D2 receptors have been found to exist in higher than normal levels, and antipsychotic drugs aim to block these. The dopamine receptors are a class of metabotropic G-protein coupled receptors with the neurotransmitter dopamine as their endogenous ligand. There are 5 major types of dopamine receptors. http://en.wikipedia.org/wiki/Dopamine_receptor   (141 words)      Dopamine D2 Receptor-Induced Heterologous Sensitization of Adenylyl Cyclase Requires Galpha s: Characterization of ... Dopamine D2 Receptor-Induced Heterologous Sensitization of Adenylyl Cyclase Requires Galpha s: Characterization of Galpha s-Insensitive Mutants of Adenylyl Cyclase V -- Watts et al. receptor demonstrated that all three mutants had little Cells stably expressing the receptors and ACV were then maintained http://molpharm.aspetjournals.org/cgi/content/full/60/6/1168   (2941 words)      Dopamine receptor - definition of Dopamine receptor in Encyclopedia The dopamine receptors are a class of G-protein coupled receptors with dopamine as their endogenous ligand. The D3 receptor is negatively coupled to adenylate cyclase via an inhibitory G protein The D2 receptor is negatively coupled to adenylate cyclase via an inhibitory G protein http://encyclopedia.laborlawtalk.com/Dopamine_receptor   (129 words)      Dopamine receptor -- Facts, Info, and Encyclopedia article The D2 receptor is negatively coupled to (additional info and facts about adenylate cyclase) adenylate cyclase via an inhibitory (additional info and facts about G protein) G protein The D4 receptor is negatively coupled to (additional info and facts about adenylate cyclase) adenylate cyclase via an inhibitory (additional info and facts about G protein) G protein The D3 receptor is negatively coupled to (additional info and facts about adenylate cyclase) adenylate cyclase via an inhibitory (additional info and facts about G protein) G protein http://www.absoluteastronomy.com/encyclopedia/d/do/dopamine_receptor.htm   (146 words)      Dopamine D4 receptor A 129SvEv mouse genomic library (provided by P. Soriano, CONTACT:99413) was screened with a human D4.4 receptor probe. Rubinstein M, Phillips TJ, Bunzow JR, Falzone TL, Dziewczapolski G, Zhang G, Fang Y, Larson JL, McDougall JA, et al.: Mice lacking dopamine D4 receptor are supersensitive to ethanol, cocaine, and methamphtamine. http://www.bioscience.org/knockout/dopad4.htm   (50 words)

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