1. Signaling Pathways
  2. GPCR/G Protein
  3. Adrenergic Receptor

Adrenergic Receptor

Adrenergic receptors are a class of G protein-coupled receptors that are targets of the catecholamines, especially norepinephrine and epinephrine. Many cells possess these receptors, and the binding of a catecholamine to the receptor will generally stimulate the sympathetic nervous system. The sympathetic nervous system is responsible for the fight-or-flight response, which includes widening the pupils of the eye, mobilizing energy, and diverting blood flow from non-essential organs to skeletal muscle. There are two main groups of adrenergic receptors, α and β, with several subtypes. α receptors have the subtypes α1 and α2. β receptors have the subtypes β1, β2 and β3. All three are linked to Gs proteins, which in turn are linked to adenylate cyclase. Agonist binding thus causes a rise in the intracellular concentration of the second messenger cAMP. Downstream effectors of cAMP include cAMP-dependent protein kinase (PKA), which mediates some of the intracellular events following hormone binding.

Adrenergic Receptor Related Products (181):

Cat. No. Product Name Effect Purity
  • HY-B0468
    Isoprenaline hydrochloride Agonist >99.0%
    Isoprenaline hydrochloride is a non-selective beta-adrenergic receptor agonist with potent peripheral vasodilator, bronchodilator, and cardiac stimulating activities.
  • HY-13715B
    Norepinephrine bitartrate monohydrate Agonist 99.75%
    Norepinephrine bitartrate monohydrate (Levarterenol bitartrate monohydrate; L-Noradrenaline bitartrate monohydrate) is a β1-selective adrenergic receptor agonist with EC50 of 5.37 μM.
  • HY-B0573
    Propranolol hydrochloride Antagonist 99.92%
    Propranolol hydrochloride is a nonselective β-adrenergic receptor (βAR) antagonist with an IC50 of 12 nM.
  • HY-13951
    ICI 118,551 hydrochloride Antagonist 98.50%
    ICI 118,551 (hydrochloride) is a highly selective β2 adrenergic receptor antagonist, with Kis of 0.7, 49.5 and 611 nM for β2, β1 and β3 receptors, respectively.
  • HY-B0471
    (R)-(-)-Phenylephrine hydrochloride Agonist 98.10%
    (R)-(-)-Phenylephrine hydrochloride is a selective α1-adrenoceptor agonist with pKis of 5.86, 4.87 and 4.70 for α1D, α1B and α1A receptors respectively.
  • HY-N0166
    Gramine Agonist 99.45%
    Gramine (Donaxine) is a natural alkaloid isolated from giant reed, acts as an active adiponectin receptor (AdipoR) agonist, with IC50s of 3.2 and 4.2 µM for AdipoR2 and AdipoR1, respectively. Gramine is also a human and mouse β2-Adrenergic receptor (β2-AR) agonist. Gramine (Donaxine) has anti-tumor, anti-viral and anti-inflammatory properties.
  • HY-103213
    JP1302 dihydrochloride Antagonist
    JP1302 dihydrochloride is a selective, high affinity antagonist of the alpha2C-adrenoceptor (α2C-adrenoceptor), with a Kb value (antagonist activity) of 16 nM and a Ki (binding affinity) value of 28 nM.
  • HY-B1052A
    Lofexidine Agonist 99.08%
    Lofexidine is a selective α2-receptor agonist, commonly used to alleviate the physical symptoms of heroin and other types of opioid withdrawal.
  • HY-14773
    Mirabegron Agonist 99.08%
    Mirabegron is a selective β3-adrenoceptor agonist with EC50 of 22.4 nM.
  • HY-B0447B
    L-Epinephrine Agonist >99.0%
    L-Epinephrine is a hormone secreted by the medulla of the adrenal glands. L-Epinephrine is an α-adrenergic and β-adrenergic receptor agonist.
  • HY-N0127
    Yohimbine Hydrochloride Antagonist 99.85%
    Yohimbine hydrochloride is an alpha 2-adrenoreceptor antagonist, blocking the pre- and postsynaptic alpha-2 adrenoreceptors and causing an increased release of noradrenaline and dopamine.
  • HY-B0162A
    Ivabradine hydrochloride Inhibitor 98.39%
    Ivabradine is an orally bioavailable, hyperpolarization-activated, cyclic nucleotide-gated (HCN) channel blocker.
  • HY-B0006
    Carvedilol Inhibitor 99.93%
    Carvedilol(BM14190) is a non-selective beta blocker/alpha-1 blocker with an IC50 of 3.8 μM for inhibition of LDL oxidation.
  • HY-B0193A
    Prazosin hydrochloride Antagonist 99.73%
    Prazosin is an alpha-adrenergic blocker and is a sympatholytic drug used to treat high blood pressure and anxiety, PTSD, and panic disorder.
  • HY-12987
    Pimozide Antagonist 99.88%
    Pimozide is a dopamine receptor antagonist, with Kis of 1.4 nM, 2.5 nM and 588 nM for dopamine D2, D3 and D1 receptors, respectively, and also has affinity at α1-adrenoceptor, with a Ki of 39 nM; Pimozide also inhibits STAT3 and STAT5.
  • HY-14299A
    Indacaterol maleate Agonist 99.92%
    Indacaterol (QAB149) maleate is an ultra-long-acting β-adrenoceptor agonist.
  • HY-B0362A
    Phentolamine mesylate Antagonist 99.83%
    Phentolamine mesylate is a competitive, reversible α-adrenoceptor antagonist with an IC50 between 5 and 30 nM.
  • HY-17498
    Atenolol Antagonist >98.0%
    Atenolol is a selective β1 receptor antagonist.
  • HY-B0437
    Sotalol hydrochloride Antagonist 99.77%
    Sotalol Hydrochloride is an adrenergic beta-antagonist that is used in the treatment of life-threatening arrhythmias.
  • HY-17416
    Guanfacine hydrochloride Agonist 99.96%
    Guanfacine Hcl, an anti-hypertensive agent, is a selective α2A-adrenoceptor agonist with Kd of 31 nM and displays 60-fold selectivity over α2B-adrenoceptors.
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