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Zebrafish larvae lacking beta1AR expression by morpholino knockdown displayed lower heart rates than control fish, whereas larvae deficient in both beta2aAR and beta2bAR expression exhibited significantly higher heart rates than controls.
we identified the beta2 adrenergic receptor (ADRB2) as a downstream target for PHD3 in skeletal muscle
Here, the mechanism by which norepinephrine (NE)regulates prostate cancer DTCs in the marrow is explored. NE directly stimulated prostate cancer cell proliferation through beta2-adrenergic receptors (ADRB2).. NE also altered prostate cancer proliferation in the marrow niche by indirectly downregulating the secretion of the dormancy inducing molecule growth arrest specific-6 (GAS6) expressed by osteoblasts.
Adrenergic Receptor beta-2 signaling in the airway epithelium promotes eosinophilic inflammation, mucous metaplasia, and airway contractility.
this review discusses beta2-adrenoceptor function in asthma
the present study demonstrated that cardiac contractility/relaxation and heart rate is increased in beta1AR TG and beta2AR TG mice, and indicated that this increase may be related to the overexpression of G proteins and Gproteinassociated proteins.
S1928A KI mice failed to induce long-term potentiation in response to prolonged theta-tetanus (PTT-LTP), a form of synaptic plasticity that requires Cav1.2 and enhancement of its activity by the beta2-adrenergic receptor (beta2AR)-cAMP-PKA cascade.
activation of beta2AR decreased cerebral amyloid plaques through the up-regulation of alpha-secretase activity and by decreasing the phosphorylation of APP at Thr668
Together, these data indicate that high-fat diet promotes phosphorylation of the beta2 AR, contributing to impairment of cardiac contractile reserve before cardiac structural and functional remodelling, suggesting that early intervention in the insulin-adrenergic signalling network might be effective in prevention of cardiac complications in diabetes
beta2-AR deletion is associated to selective hepatic insulin resistance and preserved skeletal muscle insulin sensitivity.
The diurnal variation of the humoral immune response was dependent on beta2AR-mediated neural signals and was diminished when lymphocyte recirculation through lymph nodes was stopped.
knocking out of the beta1/2 receptor significantly diminished the ST25 acupuncture-induced inhibition of gastric motility and jejunal motility without significantly altering the enhancement of colonic motility induced by acupuncture at ST25.
The authors show that phosphorylation of S1928 displaces the beta-2 adrenergic receptor from Cav1.2 upon beta-adrenergic stimulation rendering Cav1.2 refractory for several minutes from further beta-adrenergic stimulation.
The Galphas and Galphaq peptides adopt different orientations in beta2-AR and V1AR, respectively. The beta2-AR/Galphas peptide interface is dominated by electrostatic interactions, whereas the V1AR/Galphaq peptide interactions are predominantly hydrophobic.
Thus the beta2AR acts as a double-edged sword: increasing TAS2R14 cell surface expression, but when activated by beta-agonist, partially offsetting the expression phenotype by direct receptor:receptor desensitization of TAS2R14 function.
Data show that inhibitory (Galphai2) and stimulatory (GalphasL) G-protein subunits produced minor atrophic and hypertrophic changes in muscle mass, and Galphai2 over-expression prevented AAV:beta2-adrenoceptor (beta2-AR) mediated hypertrophy.
Age-related increase in hepatic triglyceride levels is reduced upon beta2-AR ablation. beta2-AR ablation improves glucose tolerance in old mice.
Immune cell-expressed beta2AR plays an essential role in regulating the early inflammatory repair response to acute myocardial injury by facilitating cardiac leukocyte infiltration.
In epileptic seizures mouse model, Pkdl deficiency leads to the loss of beta2AR on neuronal cilia, reduction in cAMP levels in the central nervous system, and reduction in the activation of cAMP response element-binding protein.
Beta2AR overexpression enhances endothelial progenitor cells (EPC) functions in vitro and enhances the vascular repair abilities of EPCs in vivo via the beta2AR/Akt/eNOS pathway.
Data show that beta2-AR plays an important role in prostate cancer metastasis formation.
These results indicate dependence of hepatic glucocorticoid and adrenergic receptors on stage of maturation in neonatal calves and emphasize the association of alpha1-adrenergic receptor and glucocorticoid receptor with neonatal glucose and lipid metabolism.
ADRb2 shows lipid scrambling activity.
relationship between luteal concentrations of oxytocin (OT), noradrenaline (NA), progesterone (P4), oxytocin receptors (OT-R) and beta(2)-adrenoreceptors (beta(2)-R) gene expression and their protein level throughout the estrous cycle
of the beta-adrenergic receptors, adrenergic beta(2)-receptor type was most highly expressed in the mammary gland of dairy cows followed by beta(1) and beta(3)
beta 1,2 and 3-adrenergic receptors in cattle were positively associated with hepatic activities of gluconeogenetic enzymes and with plasma glucose levels, suggesting functional importance
CD147 and the beta2-adrenergic receptor form hetero-oligomeric complexes.
The authors suggest that increased circulating beta2-adrenergic receptor autoantibodies are associated with smoking-related emphysema.
These results suggested that adrenergic stimulation via beta1- and beta2-adrenergic receptors in the human endolymphatic sac was involved in regulation of inner ear fluid ion homeostasis
Phosphopeptide ligation onto the beta2-adrenergic receptor (beta2AR) allows stabilization of a high-affinity receptor active state by beta-arrestin1.
This study provided proof that SNPs within ADRB2 is significantly associated with the susceptibility to and the prognosis of cervical vertigo, so that NPY and NA might serve as the precise diagnostic marker and treatment target of cervical vertigo.
A functional SNP (rs12654778), upstream of ADRB2, was significantly associated with increased risk for COPD.
Data indicate clustering of beta-2 adrenergic receptor (beta2AR) variants based on their signaling profiles.
We found that polymorphic Arg16Gly in the ADRB2 gene and Ala54Thr in the FABP2 gene had a discernible effect on the renal function in Chinese type 2 DN. Our data further revealed that homozygous Gly16 allele and Thr54 allele concomitantly conferred a significantly higher risk in the eGFR reduction.
decreased beta2AR functionality in patients with OA and LC was independent of patient's beta2AR genotype.
there was no change in beta2-AR expression in the muscular layer of the dilated ureter
Phosphorylation of the C-terminal region of ADRB2 allosterically alters the conformation around M215(5.54) and M279(6.41), located on transemembrane helices 5 and 6.
Downregulation of the expression of DUSP1 or protein phosphatase 1 led to a decline in the beta2adrenergic receptormediated dephosphorylation of ERK1/2.
In vitro studies confirmed that activation of b2AR can promote epithelial mesenchymal transition in Tongue squamous cell carcinoma (TSCC) by initiating an interleukin6/Stat3/Snail1 pathway. These results suggest that b2AR has an oncogenic role in TSCC and may be a potential therapeutic target in TSCC.
Study analyzed dynamic behavior of 16 important residues in the binding pockets of beta2-adrenergic receptor bound with a variety of ligands, among which D1133.32 and N3127.39 are essential for ligand binding. The polar interactions with residues in TM5, particularly S2035.42 and S2075.46, are related to the agonistic properties, whereas hydrophobic interactions with residues in TM5 and TM6 help stabilize the receptor.
SNPs at codon 16 of the ADRB2 plays a role in the oxidative metabolic demand during exercise.
The presence of polymorphisms associated with the Glu27 allele and Arg16Gly and Gln27Glu genotypes had no influence on exercise-induced bronchospasm. However, the statistical trend towards greater frequency of the Gly16 allele in individuals with exercise-induced bronchospasm can be considered evidence of the influence of polymorphisms of the ADBR2 gene on EIB in adolescents.
The association of Arg16 allele with the occurrence of asthma and of the Glu27 allele with overweight asthmatic adolescents evidenced the contribution of the ADBR2 gene to the development of obesity and asthma.
These data highlight a novel arrestin-mediated modulation of CREB signalling, suggesting a reciprocal relationship between arrestin2 and arrestin3, wherein recruitment of arrestin3 restricts the ability of beta2AR to activate prolonged CREB phosphorylation by precluding recruitment of an arrestin2/Src/p38 complex.
This systematic review and meta-analyses found that COPD risk and response to inhaled beta2-agonists were not associated with Thr164Ile, Arg16Gly, and Gln27Glu genotypes.
The discovery of B2AR as a new molecular marker of obesity subphenotypes in PBMCs might contribute to clarify the adrenergic immunomodulation of inflammatory obesity.
A persistent B2R-beta2AR heterodimer was confirmed in bradykinin-stimulated and non-stimulated left ventricular myocardium. BK transactivation of beta2AR enhanced beta2AR-mediated release of tPA.
These data collectively reveal the potential of beta2ARag to improve skin scarring.
Beta(1)- and beta(2)-adrenoceptors contribute to the beta-feedforward coronary resistance vessel dilation during exercise.
Prolactin infusion brought about the inhibition of a vasodilatory beta(2)-adrenergic receptor-mediated effect related to the NO intracellular pathway
Intracoronary intermedin 1-47 augments cardiac perfusion and function in anesthetized pigs: role of calcitonin receptors and beta-adrenoreceptor-mediated nitric oxide release.
The results imply ADRB-2-mediated actions in the development of primate follicles
This gene encodes beta-2-adrenergic receptor which is a member of the G protein-coupled receptor superfamily. This receptor is directly associated with one of its ultimate effectors, the class C L-type calcium channel Ca(V)1.2. This receptor-channel complex also contains a G protein, an adenylyl cyclase, cAMP-dependent kinase, and the counterbalancing phosphatase, PP2A. The assembly of the signaling complex provides a mechanism that ensures specific and rapid signaling by this G protein-coupled receptor. This gene is intronless. Different polymorphic forms, point mutations, and/or downregulation of this gene are associated with nocturnal asthma, obesity and type 2 diabetes.
adrenergic receptor beta-2
, adrenergic, beta-2-, receptor, surface
, beta-2 adrenergic receptor
, beta-2b-adrenergic receptor
, beta-2 adrenoceptor
, beta-2 adrenoreceptor
, beta 2-AR
, adrenergic receptor beta 2
, adrenergic, beta-2, receptor, surface
, catecholamine receptor
, beta2-adrenergic receptor
, Adrenergic beta 2- receptor surface
, adrenergic receptor, beta 2
, Beta-2 adrenergic receptor
, Beta-2 adrenoceptor
, Beta-2 adrenoreceptor
, beta 2 adrenergic receptor
, beta-2-adrenergic receptor