• Might β3-adrenergic receptor agonists be useful in disorders of glucose homeostasis? (jci.org)
  • Adrenergic alpha-2 Receptor Agonists" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (rush.edu)
  • This graph shows the total number of publications written about "Adrenergic alpha-2 Receptor Agonists" by people in this website by year, and whether "Adrenergic alpha-2 Receptor Agonists" was a major or minor topic of these publications. (rush.edu)
  • Below are the most recent publications written about "Adrenergic alpha-2 Receptor Agonists" by people in Profiles. (rush.edu)
  • When tested with beta-adrenergic agonists, the maximal adenylyl cyclase response mediated by this mutant receptor was less than one-half of that seen with the wild-type receptor. (duke.edu)
  • The beta-adrenergic receptor kinase is an enzyme, possibly analogous to rhodopsin kinase, that multiply phosphorylates the beta-adrenergic receptor only when it is occupied by stimulatory agonists. (duke.edu)
  • These agents compete with beta-adrenergic agonists for available beta-receptor sites. (medscape.com)
  • Cooling augmented contractions evoked by the alpha 2-adrenergic agonists B-HT 920 and UK 14304 but did not affect responses to the full alpha 1-adrenergic agonist phenylephrine. (johnshopkins.edu)
  • Therefore, cooling reduces alpha 1-adrenergic responsiveness in canine cutaneous veins, but in the case of full alpha 1-adrenergic agonists such as norepinephrine and phenylephrine the inhibitory effect of cooling is buffered by an alpha 1-adrenoceptor reserve. (johnshopkins.edu)
  • However, how agonists with varying efficacy modulate these receptor states to initiate cellular responses is not well understood. (nih.gov)
  • Agonists generally exert efficacy by stabilizing the active Nb80-stabilized receptor state (R80). (nih.gov)
  • In contrast, for a number of partial agonists, both stabilization of R80 and destabilization of the inactive, Nb60-bound state (R60) contribute to their ability to modulate receptor activation. (nih.gov)
  • Multiple agonists of G-protein coupled receptors (GPCRs), beta-adrenergic receptors (β-ARs) in particular, scored in this screen. (biorxiv.org)
  • Guanfacine is in a class of medications called centrally acting alpha 2A -adrenergic receptor agonists. (medlineplus.gov)
  • clenbuterol and other β2 adrenergic agents remain banned not as a beta-agonist, but rather an anabolic agent. (wikipedia.org)
  • BACKGROUND Mirabegron is a β3-adrenergic receptor (β3-AR) agonist approved only for the treatment of overactive bladder. (jci.org)
  • Moreover, bilateral intra-vBNST injection of the β-2 AR agonist, clenbuterol, but not the β-1 agonist, dobutamine, reinstated cocaine seeking, suggesting that activation of vBNST β-2 AR is both necessary for stress-induced reinstatement and sufficient to induce cocaine seeking. (marquette.edu)
  • Scholars@Duke publication: A mutation of the beta 2-adrenergic receptor impairs agonist activation of adenylyl cyclase without affecting high affinity agonist binding. (duke.edu)
  • Activation of guanyl nucleotide regulatory proteins (G proteins) by hormones and neurotransmitters appears to require the formation of high affinity agonist-receptor-G protein ternary complexes. (duke.edu)
  • Nevertheless, D267-273 exhibited high affinity agonist binding identical to that of the wild-type receptor. (duke.edu)
  • In addition, agonist-induced sequestration of the receptor, a property not mediated by Gs, was also normal. (duke.edu)
  • These findings indicate that the formation of high affinity agonist-receptor-Gs complexes is not sufficient to fully activate Gs. (duke.edu)
  • Our data thereby suggest that the molecular determinants of the beta 2-adrenergic receptor involved in formation of the ternary complex are not identical to those that transmit the agonist-induced stimulatory signal to Gs. (duke.edu)
  • The beta-adrenergic receptor kinase 1 (beta ARK1) is a member of the G protein-coupled receptor kinase (GRK) family that mediates the agonist-dependent phosphorylation and desensitization of G protein-coupled receptors. (duke.edu)
  • However, the contractions evoked by the partial alpha 1-adrenergic agonist St 587 were virtually abolished by cooling. (johnshopkins.edu)
  • Terbutaline Sulfate Injection is a beta-adrenergic receptor agonist used for the prevention and reversal of bronchospasm in patients 12 years of age and older with asthma and reversible bronchospasm associated with bronchitis and emphysema . (rxlist.com)
  • Terbutaline sulfate injection, USP is a beta-adrenergic agonist bronchodilator available as a sterile, nonpyrogenic, aqueous solution in vials, for subcutaneous administration. (rxlist.com)
  • studies have shown that the R- and S-enantiomers of racemic albuterol, a β 2 -adrenergic receptor agonist used in asthma treatment, have differential effects on the contractile properties of airway smooth muscle. (scirp.org)
  • Ephedrine sulfate injection is an alpha- and beta-adrenergic agonist and a norepinephrine-releasing agent that is indicated for the treatment of clinically important hypotension occurring in the setting of anesthesia. (nih.gov)
  • We sought to determine the influence of an inhaled ß-agonist on the diffusing capacity of the lungs for carbon monoxide (DLCO), alveolar- capillary membrane conductance (D(M)), pulmonary capillary blood volume (Vc), and peripheral oxygen saturation (SaO(2)) in subjects with CF, when compared to matched healthy subjects , according to genetic variation of the ß(2)- adrenergic receptor (ADRB2). (bvsalud.org)
  • G-protein-coupled receptors (GPCRs) modulate many physiological processes by transducing a variety of extracellular cues into intracellular responses. (nih.gov)
  • In this model, Beta2-Adrenergic Receptor (B2AR) - T4 Lysozyme fusion was developed to allow for structure solution. (proteopedia.org)
  • beta2-Adrenergic receptor regulation by GIT1, a G protein-coupled receptor kinase-associated ADP ribosylation factor GTPase-activating protein. (duke.edu)
  • Immunofluorescence staining of fixed A431 cells with anti-Beta 2 adrenergic receptor antibody R11/E1 (Ab01586) Immunofluorescence analysis of paraformaldehyde fixed A431 cells on Shi-fix™ coverslips stained with the chimeric rabbit IgG version of R11/E1 (Ab01586-23.0) at 10 µg/ml for 1h followed by Alexa Fluor® 488 secondary antibody (2 µg/ml), showing membrane staining. (absoluteantibody.com)
  • R11/E1 antibody recognizes human beta-2 adrenergic receptor. (absoluteantibody.com)
  • The alternative inactive state of the human beta(2)-adrenergic receptor originally exposed in molecular dynamics simulations was investigated using various analysis tools to evaluate causality between correlated residue-pair fluctuations and suggest allosteric communication pathways. (khas.edu.tr)
  • The present data indicate that activated alpha 2-adrenergic and muscarinic receptors inhibit dihydropyridine-sensitive Ca2+ channels via pertussis toxin-sensitive G proteins without the involvement of a cAMP-dependent intermediate step. (mdc-berlin.de)
  • High-potency antipsychotics have a higher affinity for dopamine receptors and less for alpha-adrenergic and muscarinic receptors. (msdmanuals.com)
  • The beta-2 adrenergic receptor (β2 adrenoreceptor), also known as ADRB2, is a cell membrane-spanning beta-adrenergic receptor that binds epinephrine (adrenaline), a hormone and neurotransmitter whose signaling, via adenylate cyclase stimulation through trimeric Gs proteins, increases cAMP, and, via downstream L-type calcium channel interaction, mediates physiologic responses such as smooth muscle relaxation and bronchodilation. (wikipedia.org)
  • Aim: There are inter-individual variations in the impact of the Beta-2 adrenergic receptor (ADRB2) polymorphisms on salbutamol response in asthmatic patients. (authorea.com)
  • These results suggest that there are differences in lung diffusion and peripheral SaO(2) according to genetic variation of the ADRB2 at position 27 which could play a potential role in dosing options or adjustments that may be required according to genotype . (bvsalud.org)
  • Bbeta-adrenergic receptor kinase-1 levels in catecholamine-induced myocardial hypertrophy: regulation by beta- but not alpha1-adrenergic stimulation. (duke.edu)
  • Doxazosin mesylate is a quinazoline compound that is a selective alpha1-adrenergic antagonist. (medscape.com)
  • citation needed] This receptor-channel complex is coupled to the Gs G protein, which activates adenylyl cyclase, catalysing the formation of cyclic adenosine monophosphate (cAMP) which then activates protein kinase A, and counterbalancing phosphatase PP2A. (wikipedia.org)
  • Expression of a beta-adrenergic receptor kinase 1 inhibitor prevents the development of myocardial failure in gene-targeted mice. (duke.edu)
  • Functionally active targeting domain of the beta-adrenergic receptor kinase: an inhibitor of G beta gamma-mediated stimulation of type II adenylyl cyclase. (duke.edu)
  • Preoperatively, prepare patients with pheochromocytomas by treating them with an alpha-blocker or a tyrosine hydroxylase inhibitor, such as metyrosine, for 1-2 weeks, after which administration of a beta-blocker can be considered. (medscape.com)
  • It has been found through scientific studies that Yohimbine Hydrochloride is an alpha 2 adrenergic receptor inhibitor. (kidneyurology.org)
  • Stimulation of the ß(2)- adrenergic receptors mediates mucociliary clearance and bronchodilation. (bvsalud.org)
  • Protein kinase A then goes on to phosphorylate (and thus inactivate) myosin light-chain kinase, which causes smooth muscle relaxation, accounting for the vasodilatory effects of beta 2 stimulation. (wikipedia.org)
  • In contrast, Beta-1 adrenergic receptors are coupled only to Gs, and stimulation of these results in a more diffuse cellular response. (wikipedia.org)
  • In the normal eye, beta-2 stimulation by salbutamol increases intraocular pressure via net: Increase in production of aqueous humour by the ciliary process, Subsequent increased pressure-dependent uveoscleral outflow of humour, despite reduced drainage of humour via the Canal of Schlemm. (wikipedia.org)
  • In such cases, beta-2 stimulation with its consequent increase in humour production is highly contra-indicated, and conversely, a topical beta-2 antagonist such as timolol may be employed. (wikipedia.org)
  • Direct evidence that Gi-coupled receptor stimulation of mitogen-activated protein kinase is mediated by G beta gamma activation of p21ras. (duke.edu)
  • Stimulation of Gi-coupled receptors leads to the activation of mitogen-activated protein kinases (MAP kinases). (duke.edu)
  • It may be used to treat excessive beta-receptor stimulation in patients with inoperable metastatic pheochromocytoma. (medscape.com)
  • Its drug action is transient and alpha-adrenergic blockade incomplete. (medscape.com)
  • Khabibrakhmanov I.I. The effect of α1 -adrenergic receptor subtypes blockade on the rat myocardium inotropy / I.I. Khabibrakhmanov, N.I. Ziyatdinova, T.L. Zefirov // Journal of Pharmacy Research. (kpfu.ru)
  • Cooling (from 37 to 24 degrees C) augmented contractions to norepinephrine under control conditions and after alpha 1-adrenergic blockade (prazosin) but not following alpha 2-adrenergic blockade (rauwolscine). (johnshopkins.edu)
  • This antibody was raised by immunizing mice with beta-2 adrenergic receptor. (absoluteantibody.com)
  • This antibody is recommended for the detection and analysis of the beta-2 adrenergic receptor. (absoluteantibody.com)
  • The other clone (M alpha 2-10H) closely resembles the human alpha 2-C10 subtype in sequence but binds with significantly lower affinity to yohimbine and rauwolscine, members of a distinct class of bulky alpha 2-selective antagonists commonly used to evaluate alpha 2-AR function in vivo. (aspetjournals.org)
  • Analysis of these receptors identified a conservative Cys201 to Ser201 change in the fifth transmembrane domain of M alpha 2-10H as being responsible for the low affinity of the mouse receptor for yohimbine. (aspetjournals.org)
  • The beta-2-adrenergic receptor binds adrenaline with far grater affinity than noradrenaline. (absoluteantibody.com)
  • We show that Nb60 stabilizes a previously unappreciated low-affinity receptor state which corresponds to one of two inactive receptor conformations as delineated by X-ray crystallography and NMR spectroscopy. (nih.gov)
  • Antipsychotic drugs are divided into conventional antipsychotics and 2nd-generation antipsychotics (SGAs) based on their specific neurotransmitter receptor affinity and activity. (msdmanuals.com)
  • Low-potency antipsychotics, which are rarely used, have less affinity for dopamine receptors and relatively more affinity for alpha-adrenergic, muscarinic, and histaminic receptors. (msdmanuals.com)
  • Cloning of two mouse genes encoding alpha 2-adrenergic receptor subtypes and identification of a single amino acid in the mouse alpha 2-C10 homolog responsible for an interspecies variation in antagonist binding. (aspetjournals.org)
  • Molecular cloning and ligand binding studies have shown the alpha 2 class of adrenergic receptor (alpha 2-AR) to be a family of at least three related subtypes in humans. (aspetjournals.org)
  • To begin this process, we have isolated two mouse genomic clones encoding alpha 2-AR subtypes and expressed these genes in COS-7 cells for binding studies. (aspetjournals.org)
  • This group also found that while both receptor subtypes were seen in the membranes and cytoplasm of cell bodies, the β 2 receptor subtype, but not the β 1 , was localized to the nucleus. (frontiersin.org)
  • Different polymorphic forms, point mutations, and/or downregulation of this gene are associated with nocturnal asthma, obesity and type 2 diabetes. (wikipedia.org)
  • PAH was induced in S-D rats by a combination of a VEGF-receptor blocker followed by 4 weeks of 10% hypoxia (SuHx).Gene expression was evaluated by RT-PCR and confirmed by western blot. (ersjournals.com)
  • Beta-2 adrenergic receptor gene polymorphisms Gln27Glu, Arg16Gly and Thr164Ile were suggested to have an effect in heart failure. (biomedcentral.com)
  • In this study sample, we were not able to demonstrate an overall influence of polymorphisms Gln27Glu and Arg16Gly of beta-2 receptor gene on prognosis. (biomedcentral.com)
  • These findings substantiate the hypotheses that polymorphisms Arg16Gly, Gln27Glu and Thr164Ile of beta-2 receptor gene might be functional and might be associated with differences in the survival rate of patients with heart failure. (biomedcentral.com)
  • We performed this study to evaluate the polymorphisms Gln27Glu, Arg16Gly, and Thr164Ile of the beta-2 receptor gene relative to demographic and clinical variables, as well as, survival rate in a series of patients with heart failure of different etiologies. (biomedcentral.com)
  • Adenovirus-mediated gene transfer of human β 2 AR rescued these defects. (elsevierpure.com)
  • beta(1)-Adrenergic receptor gene polymorphisms and the acute response to atenolol in healthy young Japanese subjects. (druglib.com)
  • Polymorphisms at codons 49 and 389 of the beta(1)-adrenergic receptor gene have been shown to alter the receptor function in vitro, whereas it remains controversial whether they influence the response to beta-blocker in vivo. (druglib.com)
  • B 2 adrenergic receptor gene polymorphism effect on childhood asthma severity and response to treatment. (cdc.gov)
  • To understand better the cellular mechanisms of NE and its adrenergic receptors in the LA, we used antibodies directed against dopamine beta-hydroxylase (DβH), the synthetic enzyme for NE, or against two different isoforms of the beta-adrenergic receptors (βARs), one that predominately recognizes neurons (βAR 248) and the other astrocytes (βAR 404), to characterize the microenvironments of DβH and βAR. (frontiersin.org)
  • Conventional antipsychotics (see table Conventional Antipsychotics ) act primarily by blocking the dopamine-2 receptor (dopamine-2 blockers). (msdmanuals.com)
  • Here we demonstrate that, in the vBNST, corticotropin releasing factor (CRF) is expressed in neurons that innervate the ventral tegmental area (VTA), a site where the CRF receptor antagonist antalarmin prevents the reinstatement of cocaine seeking by a stressor, intermittent footshock, following intravenous self-administration in rats. (marquette.edu)
  • iScience 2022 Jan 19;25(2):103771. (lu.se)
  • At low doses, alpha-adrenergic receptor blockers may be used as monotherapy in the treatment of hypertension. (medscape.com)
  • As a result, concurrent diuretic therapy may be required to maintain the hypotensive effects of alpha-receptor blockers. (medscape.com)
  • Interestingly, Beta-2 adrenergic receptor was observed to localize exclusively to the T-tubular network of adult cardiomyocytes, as opposed to Beta-1 adrenergic receptor, which is observed also on the outer plasma membrane of the cell Activation of the β2 adrenoreceptor with long-acting agents such as oral clenbuterol and intravenously-infused albuterol results in skeletomuscular hypertrophy and anabolism. (wikipedia.org)
  • It should be possible to extend the analysis of alpha 2-AR subtype function to the animal level through the use of experimental mammalian embryology in mice. (aspetjournals.org)
  • We have recently demonstrated that neonatal astrocytes derived from mice lacking beta-2 adrenergic receptors (β 2 AR) possess higher proliferation rates, as compared to wild-type cells, an attribute that was shown to involve insulin-like growth factor (IGF) signaling. (medsci.org)
  • We characterized the metabolic phenotype of β 2 AR-null C57Bl/6N mice (β 2 AR -/- ) by performing in vivo and ex vivo experiments. (elsevierpure.com)
  • Adult β 2 AR -/- mice featured glucose intolerance, and pancreatic islets isolated from these animals displayed impaired glucose-induced insulin release, accompanied by reduced expression of peroxisome proliferator-activated receptor (PPAR)γ, pancreatic duodenal homeobox-1 (PDX-1), and GLUT2. (elsevierpure.com)
  • Moreover, islets from 20-month-old β 2 AR +/+ mice exhibited reduced density of β 2 AR compared with those from younger animals, paralleled by decreased levels of PPARγ, PDX-1, and GLUT2. (elsevierpure.com)
  • Overexpression of β 2 AR in aged mice rescued glucose intolerance and insulin release both in vivo and ex vivo, restoring PPARγ/PDX-1/GLUT2 levels. (elsevierpure.com)
  • Our data indicate that reduced β 2 AR expression contributes to the age-related decline of glucose tolerance in mice. (elsevierpure.com)
  • Ad-mRLN, but not Ad-GFP, treatment reversed the increased left ventricular collagen content in beta(2)AR mice to control levels without affecting collagen levels in other heart chambers or in the lung and kidney. (nih.gov)
  • This is a nonselective alpha-adrenergic blocking agent. (medscape.com)
  • This is a nonselective beta-adrenergic receptor blocker. (medscape.com)
  • Assessing the binding of 17 ligands of varying efficacy to the β2AR in the absence and presence of Nb60 or Nb80 reveals large ligand-specific effects that can only be explained using an allosteric model which assumes equilibrium amongst at least three receptor states. (nih.gov)
  • These data demonstrate that ligands can initiate a wide range of cellular responses by differentially stabilizing multiple receptor states. (nih.gov)
  • After primary treatment with an alpha-receptor blocker, propranolol hydrochloride may be used as adjunctive therapy if control of tachycardia becomes necessary before or during surgery. (medscape.com)
  • Many presume that such adrenergic receptors may inhibit erection. (kidneyurology.org)
  • Fig. 2: Mutations at the interface of the FluPol A dimer inhibit cRNA to vRNA replication. (nature.com)
  • These experiments suggest that cooling augments alpha 2-adrenergic responsiveness without affecting alpha 1-adrenergic responsiveness. (johnshopkins.edu)
  • Furthermore, the enhanced adrenergic receptor sensitivity suggests an augmented sympathetic responsiveness. (cdc.gov)
  • The purpose of this study was to evaluate functional genetic polymorphisms of physiologic pathways related to the regulation of the cardiovascular function (alpha-adrenergic receptors, endothelial nitric oxide synthase and bradykinin B2 receptor) and exercise muscle vasodilatation in apparently healthy men and women. (scipedia.com)
  • R. Nunes, L. Barroso, A. Pereira, M. Rondon, C. Negrão, J. Krieger and A. Mansur, Alpha2A-adrenergic receptor and eNOS genetic polymorphisms are associated with exercise muscle vasodilatation in apparently healthy individuals, IJC Heart & Vasculature (2016). (scipedia.com)
  • Influence of genetic variation of the ß2-adrenergic receptor on lung diffusion in patients with cystic fibrosis. (bvsalud.org)
  • A Syntenic Cross Species Aneuploidy Genetic Screen Links RCAN1 Expression to β-Cell Mitochondrial Dysfunction in Type 2 Diabetes. (lu.se)
  • A surface of the kinase domain critical for the allosteric activation of G protein-coupled receptor kinases. (absoluteantibody.com)
  • G protein-coupled receptor activation leads to the membrane recruitment and activation of G protein-coupled receptor kinases, which phosphorylate receptors and lead to their inactivation. (duke.edu)
  • This finding raises the possibility that discrete regions of the receptor mediate ternary complex formation, whereas different loci may be involved in other aspects of G protein activation. (duke.edu)
  • 2023;49(2):e12891. (lu.se)
  • 270(2): 864-876 (2023) doi:10.1007/s00415-022-11418-y. (lu.se)
  • We identified these autoantibodies as immunoglobulin G directed against peptide sequences from the second extracellular loop of these receptors. (ox.ac.uk)
  • Ligand binding to an extracellular orthosteric pocket propagates conformational change to the receptor cytosolic region to promote binding and activation of downstream signalling effectors such as G proteins and β-arrestins. (nih.gov)
  • It inhibits postsynaptic alpha-adrenergic receptors, resulting in the vasodilation of veins and arterioles and a decrease in total peripheral resistance and blood pressure. (medscape.com)
  • Beta-2 Adrenergic Receptor s (B2ARs) are a type of G Protein-Coupled Receptor (GPCR) . (proteopedia.org)
  • Since Yohimbine Hydrochloride is a blocker of adrenergic receptors, it would help in curing erectile dysfunctions. (kidneyurology.org)
  • Alterations in cardiac adrenergic signaling and calcium cycling differentially affect the progression of cardiomyopathy. (duke.edu)
  • Essential role of beta-adrenergic receptor kinase 1 in cardiac development and function. (duke.edu)
  • In the present study, we investigated whether these polymorphisms influence the acute changes of heart rate and blood pressure induced by the beta(1)-adrenergic receptor-selective blocker atenolol in healthy young Japanese. (druglib.com)
  • In patients harboring alleles Gly16 and Glu27, previoulsy associated with increased down regulation of beta-2 adrenergic receptors, a statistically significant difference relative to prognosis has not been demonstrated. (biomedcentral.com)
  • The purinergic P2X 7 receptor: regulation of uterine function in labour and preterm labour. (nottingham.ac.uk)
  • The primary endpoint was the change in BAT metabolic activity as measured by [18F]-2-fluoro-d-2-deoxy-d-glucose (18F-FDG) PET/CT. (jci.org)
  • Enhancing ceramide degradation also endows these metabolic benefits, and adiponectin exerts their antidiabetic, cardioprotective, and insulin-sensitizing actions through activating its receptors, which are ligand-activated ceramidases ( 23 ). (frontiersin.org)
  • Metabolic syndrome (MetS) is a cluster of consumption of saturated fats to unsaturated fats, metabolic risk factors for cardiovascular disease and increase the intake of fruits, vegetables, legumes type 2 diabetes. (bvsalud.org)
  • Diabetes mellitus, a world-wide increasing disease, is related to a heterogeneous group of metabolic disorders characterized by hyperglycemia resulting from either defects in secretion or insulin action or even both 1-2 . (bvsalud.org)
  • According to the World Health Organization (WHO) global report, ~422 million adults were living with diabetes in 2014 ( 1 ), and that cardiovascular diseases account for 31% mortality worldwide ( 2 ). (frontiersin.org)
  • Although significant reductions have occurred in the incidence of cardiovascular disease (CVD) since the mid-1970s, this is still the primary cause of morbidity and mortality in many countries [1,2]. (who.int)
  • The study has 2 major components: phase 1, a cross sectional prevalence study of cardiovascular disease and associated risk factors, and phase 2, a prospective 20-year follow-up study [9]. (who.int)
  • Sequence homology and ligand binding data allow the assignment of one clone (M alpha 2-4H) as the mouse homolog of the human alpha 2-C4 subtype. (aspetjournals.org)
  • To define the domain(s) responsible for this unusual binding property, we constructed a series of M alpha 2-10H/human alpha 2-C10 chimeric receptors. (aspetjournals.org)
  • Compounds that bind to and activate ADRENERGIC ALPHA-2 RECEPTORS. (rush.edu)
  • This is a long-acting adrenergic alpha-receptor blocker that can produce and maintain a chemical sympathectomy. (medscape.com)
  • Cooling and alpha 1- and alpha 2-adrenergic responses in cutaneous veins: role of receptor reserve. (johnshopkins.edu)
  • Experiments were designed to determine the effects of cooling on alpha 1- and alpha 2-adrenergic responses in isolated canine cutaneous veins. (johnshopkins.edu)
  • Pharmacological characterization of alpha adrenergic receptors in the young and old female rabbit urethra. (aspetjournals.org)
  • The pharmacological characteristics of alpha-1 and alpha-2 adrenergic receptors in young (6 month) and old (4.5-5 year) female rabbit urethra were studied using isolated muscle bath techniques. (aspetjournals.org)
  • Stuckey et al19 evaluated whether an 8-week and central alpha 2-1 and beta-adrenergic receptors. (bvsalud.org)
  • The contribution of a β-2 AR-regulated vBNST-to-VTA pathway that releases CRF was investigated using a disconnection approach. (marquette.edu)
  • Significance Statement Here we identify β-adrenergic receptor (β-AR) signaling as an essential pathway controlling ER-Mito contacts. (biorxiv.org)
  • Interestingly, with aging, wild-type (β 2 AR +/+ ) littermates developed impaired insulin secretion and glucose tolerance. (elsevierpure.com)
  • abstract = "In this study, we investigated the significance of β 2- adrenergic receptor (β 2AR) in age-related impaired insulin secretion and glucose homeostasis. (elsevierpure.com)
  • To date, however, mutagenesis studies with the beta 2-adrenergic receptor have not clarified this question since mutant receptors with impaired abilities to activate Gs have generally possessed a diminished capacity to form the ternary complex as assessed in binding assays. (duke.edu)
  • Our cancer studies have expanded to include oesophageal cancer with emphasis on oestrogen receptor expression and function in this malignancy. (nottingham.ac.uk)
  • expression of 25-hydroxylase ( Cyp27a1 ), 1 α -hydroxylase ( Cyp27b1 ), and vitamin D receptor ( Vdr ) was analyzed by real-time polymerase chain reaction. (medscape.com)
  • in both IR cells and obese SAT, protein expression of β 2 -adrenergic receptor was reduced. (medscape.com)
  • Distinct molecular determinants of the receptor are involved in physical coupling to and functional activation of Gs. (duke.edu)
  • These studies have not, however, identified distinct subtype-specific functions for these receptors in vivo. (aspetjournals.org)
  • Putative corresponding receptors were identified using antagonistic drugs, and synthesized peptide sequences corresponding to segments of these receptors were used to identify the target epitopes. (ox.ac.uk)
  • A beta-adrenergic receptor kinase-like enzyme is involved in olfactory signal termination. (duke.edu)
  • Chronic human heart failure is characterized by abnormalities in beta-adrenergic receptor (betaAR) signaling, including increased levels of betaAR kinase 1 (betaARK1), which seems critical to the pathogenesis of the disease. (duke.edu)
  • Functional desensitization of the isolated beta-adrenergic receptor by the beta-adrenergic receptor kinase: potential role of an analog of the retinal protein arrestin (48-kDa protein). (duke.edu)
  • The beta-adrenergic receptor kinase (beta ARK) phosphorylates its membrane-associated receptor substrates, such as the beta-adrenergic receptor, triggering events leading to receptor desensitization. (duke.edu)