Ag2 Activators
Ag2 include a variety of compounds that can initiate a cascade of intracellular events leading to its activation. Forskolin, a diterpene, directly stimulates adenylate cyclase, which catalyzes the conversion of ATP to cAMP. Elevated levels of cAMP serve as a second messenger to activate protein kinase A (PKA). Once activated, PKA phosphorylates target proteins, including Ag2, thereby modulating its activity. Similarly, isoproterenol, a synthetic catecholamine, acts as a beta-adrenoceptor agonist to elevate cAMP levels by stimulating adenylate cyclase, leading to PKA activation and subsequent phosphorylation of Ag2. Prostaglandin E2 (PGE2), through its action on G protein-coupled receptors (GPCRs), also activates adenylate cyclase, culminating in increased cAMP and PKA-mediated phosphorylation of Ag2.
IBMX, by inhibiting phosphodiesterases responsible for cAMP breakdown, leads to an accumulation of cAMP, thereby sustaining PKA activity and ensuring continuous phosphorylation of Ag2. Epinephrine, a natural catecholamine, engages adrenergic receptors, triggering a similar rise in cAMP via adenylate cyclase activation, while glucagon, through its own receptor, sets off a chain of events culminating in PKA activation and Ag2 phosphorylation. Dibutyryl-cAMP, a stable cAMP analogue, bypasses receptor-mediated pathways and directly activates PKA, which in turn phosphorylates Ag2. Histamine, by binding to its specific receptors, may activate adenylate cyclase in certain cell types, increasing cAMP and activating PKA, which then targets Ag2. Beta-adrenergic agonists like terbutaline and dobutamine selectively stimulate adenylate cyclase linked to their respective receptors, raising cAMP levels and enabling PKA to phosphorylate Ag2. Finally, rolipram and anagrelide, through their inhibition of specific phosphodiesterase isozymes, increase intracellular cAMP concentrations, thereby promoting PKA-mediated phosphorylation and activation of Ag2.
| 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 beta-adrenoceptor agonist that stimulates adenylyl cyclase activity, resulting in increased cAMP production. This rise in cAMP activates PKA, which can then phosphorylate and activate Ag2 within its relevant signaling pathways that are regulated by PKA. | ||||||
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) interacts with its G protein-coupled receptors (GPCRs), which can lead to the activation of adenylate cyclase and an increase in intracellular cAMP levels. The subsequent activation of PKA can result in the phosphorylation and activation of Ag2. | ||||||
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 increases the activity of PKA, which can phosphorylate and thereby activate Ag2. | ||||||
(−)-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 binds to and activates adrenergic receptors, which can lead to an increase in cAMP production via activation of adenylate cyclase. The increased cAMP levels activate PKA, which may then phosphorylate Ag2 as part of its downstream effects. | ||||||
Dibutyryl-cAMP | 16980-89-5 | sc-201567 sc-201567A sc-201567B sc-201567C | 20 mg 100 mg 500 mg 10 g | $47.00 $136.00 $492.00 $4552.00 | 74 | |
Dibutyryl-cAMP is a membrane-permeable cAMP analog that directly activates PKA. Once inside the cell, it activates PKA, which can then phosphorylate and activate Ag2. | ||||||
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 can bind to its GPCRs, which in some cell types leads to the activation of adenylate cyclase, thus increasing cAMP levels. The subsequent activation of PKA can promote the activation of Ag2 through phosphorylation. | ||||||
Terbutaline Hemisulfate | 23031-32-5 | sc-204911 sc-204911A | 1 g 5 g | $92.00 $378.00 | 2 | |
Terbutaline is a selective β2-adrenergic receptor agonist that activates adenylate cyclase, thereby increasing intracellular levels of cAMP. This activation of PKA can lead to the phosphorylation and activation of Ag2. | ||||||
Dobutamine | 34368-04-2 | sc-507555 | 100 mg | $295.00 | ||
Dobutamine is an agonist of beta-1 adrenergic receptors that can stimulate adenylate cyclase activity, leading to increased cAMP and activation of PKA. PKA activation can result in phosphorylation and activation of Ag2 within its signaling pathways. | ||||||
Rolipram | 61413-54-5 | sc-3563 sc-3563A | 5 mg 50 mg | $77.00 $216.00 | 18 | |
Rolipram is a selective inhibitor of phosphodiesterase 4 (PDE4), which normally breaks down cAMP. Inhibition of PDE4 leads to increased cAMP levels, resulting in enhanced activation of PKA. PKA can then phosphorylate and activate Ag2. | ||||||
Anagrelide | 68475-42-3 | sc-491875 | 25 mg | $150.00 | ||
Anagrelide inhibits phosphodiesterase 3 (PDE3), leading to increased cAMP levels within the cell. This accumulation of cAMP results in the activation of PKA, which can phosphorylate and consequently activate Ag2. | ||||||