OR5AR1 Activators
OR5AR1 can initiate a cascade of intracellular signaling events that lead to the protein's activation. Isoproterenol acts as a beta-adrenergic agonist, stimulating the beta-adrenergic receptors which lead to the activation of adenylyl cyclase and a subsequent rise in cAMP levels. This elevation in cAMP facilitates the interaction between OR5AR1 and G proteins, promoting its activation state. Similarly, Forskolin, by directly stimulating adenylyl cyclase, increases intracellular cAMP, which then activates protein kinase A (PKA). PKA can phosphorylate and enhance the activation of OR5AR1. Histamine, through its action on histamine receptors, can increase intracellular calcium levels, which may sensitize OR5AR1 to its ligands. Prostaglandin E2 (PGE2) works by activating its GPCRs, leading to increased cAMP levels within the vicinity of OR5AR1, thereby lowering the activation threshold for the protein.
Adenosine affects OR5AR1 activation by engaging with its receptors to modulate cAMP levels; the A2A and A2B receptors specifically increase cAMP, which can promote the activation of OR5AR1. Dopamine and its D1-like receptors also elevate cAMP levels, which in turn can enhance OR5AR1 activity. Epinephrine and norepinephrine, through their interactions with adrenergic receptors, stimulate cAMP production, indirectly facilitating OR5AR1's activation by increasing G protein coupling. Cholera toxin perpetuates the activation of Gs alpha subunit, leading to a continuous increase in cAMP levels, which can maintain OR5AR1 in an active state. IBMX contributes to this process by inhibiting phosphodiesterases, thereby preventing cAMP degradation and sustaining the activation of OR5AR1. Lastly, although glucagon primarily acts on metabolic pathways, its binding to GPCRs in hepatocytes that increases cAMP could also activate OR5AR1. Pilocarpine, despite its primary action on muscarinic acetylcholine receptors, can modulate intracellular calcium levels, which might influence the activation state of OR5AR1.
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| Product Name | CAS # | Catalog # | QUANTITY | Price | Citations | RATING |
|---|---|---|---|---|---|---|
Isoproterenol Hydrochloride | 51-30-9 | sc-202188 sc-202188A | 100 mg 500 mg | $28.00 $38.00 | 5 | |
Isoproterenol is a synthetic catecholamine and beta-adrenergic agonist that activates beta-adrenergic receptors, which can lead to the activation of the adenylyl cyclase pathway. Since OR5AR1 is a G protein-coupled receptor (GPCR), the increase in cyclic AMP (cAMP) from this pathway can lead to the activation of OR5AR1 by promoting its interaction with the appropriate G proteins. | ||||||
Histamine, free base | 51-45-6 | sc-204000 sc-204000A sc-204000B | 1 g 5 g 25 g | $94.00 $283.00 $988.00 | 7 | |
Histamine is a biogenic amine that, via its action on histamine receptors (which are also GPCRs), can stimulate a pathway leading to increased intracellular calcium levels. This can sensitize other GPCRs including OR5AR1 to their ligands by promoting a more active conformation of the receptor. | ||||||
PGE2 | 363-24-6 | sc-201225 sc-201225C sc-201225A sc-201225B | 1 mg 5 mg 10 mg 50 mg | $57.00 $159.00 $275.00 $678.00 | 37 | |
Prostaglandin E2 (PGE2) activates its own set of GPCRs (EP receptors), which can lead to increased intracellular cAMP levels. This signaling can prime other GPCRs in the vicinity, including OR5AR1, for activation by reducing the threshold for their activation by their respective ligands. | ||||||
Adenosine | 58-61-7 | sc-291838 sc-291838A sc-291838B sc-291838C sc-291838D sc-291838E sc-291838F | 1 g 5 g 100 g 250 g 1 kg 5 kg 10 kg | $34.00 $48.00 $300.00 $572.00 $1040.00 $2601.00 $4682.00 | 1 | |
Adenosine acts on its receptors (A1, A2A, A2B, and A3), which are G protein-coupled receptors that can either increase or decrease cAMP levels depending on the subtype. Stimulation of A2A and A2B receptors can lead to increased cAMP and activation of PKA, which may contribute to the activation of OR5AR1 by promoting G protein coupling. | ||||||
Dopamine | 51-61-6 | sc-507336 | 1 g | $290.00 | ||
Dopamine, through its D1-like receptors (D1 and D5), increases cAMP levels in the cell. The increase in cAMP can enhance the activity of OR5AR1 by facilitating its interaction with G proteins and promoting the receptor's active state. | ||||||
(−)-Epinephrine | 51-43-4 | sc-205674 sc-205674A sc-205674B sc-205674C sc-205674D | 1 g 5 g 10 g 100 g 1 kg | $41.00 $104.00 $201.00 $1774.00 $16500.00 | ||
Epinephrine interacts with beta-adrenergic receptors leading to increased cAMP production. This can indirectly activate OR5AR1 by increasing the likelihood of G protein coupling with the receptor, which is required for its activation. | ||||||
L-Noradrenaline | 51-41-2 | sc-357366 sc-357366A | 1 g 5 g | $326.00 $485.00 | 3 | |
Norepinephrine, similar to epinephrine, binds to adrenergic receptors and can increase cAMP levels within cells. This can indirectly lead to the activation of OR5AR1 by promoting its association with G proteins and subsequent signaling. | ||||||
IBMX | 28822-58-4 | sc-201188 sc-201188B sc-201188A | 200 mg 500 mg 1 g | $260.00 $350.00 $500.00 | 34 | |
3-Isobutyl-1-methylxanthine (IBMX) is a non-selective inhibitor of phosphodiesterases, enzymes that degrade cAMP. By preventing cAMP degradation, IBMX indirectly sustains the activation state of cAMP-dependent pathways, potentially leading to the activation of OR5AR1. | ||||||
Pilocarpine | 92-13-7 | sc-479256 | 100 mg | $255.00 | 1 | |
Pilocarpine is a muscarinic acetylcholine receptor agonist. By activating muscarinic receptors, it may cause an increase in intracellular calcium levels, which can influence the function and activation of nearby GPCRs, potentially including OR5AR1. | ||||||