Date published: 2026-2-9

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SPRED2 Activators

SPRED2 activators encompass a range of chemical compounds that can either directly enhance the functional activity of SPRED2 or indirectly trigger signaling events leading to its activation. These compounds operate primarily via the cAMP-dependent protein kinase (PKA) pathway, a signaling cascade that SPRED2 is known to interact with. Forskolin, Isoproterenol, Rolipram, IBMX, Epinephrine, Norepinephrine, PGE2, Papaverine, Dobutamine, and Terbutaline enhance the functional activity of SPRED2 by increasing intracellular cAMP levels, which in turn can activate PKA. PKA is known to phosphorylate and activate SPRED2.

In contrast, H-89 and SQ 22536 can lead to a decrease in the phosphorylation of SPRED2 due to their inhibitory effects on PKA and adenylate cyclase, respectively. However, this decrease in phosphorylation can trigger a negative feedback loop, activating Ras signaling, which can subsequently activate SPRED2. This illustrates the complex interplay of regulatory mechanisms in cellular signaling pathways. Although these compounds have inhibitory effects on certain enzymes or pathways, they can indirectly enhance the functional activity of SPRED2 by triggering these feedback mechanisms. These diverse compounds, by acting on different components of the same pathway, collectively contribute to the functional activation of SPRED2.

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Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Forskolin

66575-29-9sc-3562
sc-3562A
sc-3562B
sc-3562C
sc-3562D
5 mg
50 mg
1 g
2 g
5 g
$78.00
$153.00
$740.00
$1413.00
$2091.00
73
(3)

Forskolin is an activator of adenylate cyclase, leading to increased levels of cyclic AMP (cAMP). Higher cAMP levels can trigger the cAMP-dependent protein kinase (PKA) pathway, which is known to phosphorylate and activate SPRED2.

Isoproterenol Hydrochloride

51-30-9sc-202188
sc-202188A
100 mg
500 mg
$28.00
$38.00
5
(0)

Isoproterenol is a beta-adrenergic receptor agonist. Activation of these receptors increases intracellular cAMP, which can stimulate PKA. PKA phosphorylates and activates SPRED2.

Rolipram

61413-54-5sc-3563
sc-3563A
5 mg
50 mg
$77.00
$216.00
18
(1)

Rolipram is a potent inhibitor of phosphodiesterase 4 (PDE4), which results in an increase in cAMP levels. By increasing cAMP, rolipram triggers PKA, which can phosphorylate and activate SPRED2.

IBMX

28822-58-4sc-201188
sc-201188B
sc-201188A
200 mg
500 mg
1 g
$260.00
$350.00
$500.00
34
(1)

IBMX is a non-selective inhibitor of phosphodiesterases, raising cellular cAMP levels. Increased cAMP triggers PKA, which in turn phosphorylates and activates SPRED2.

(−)-Epinephrine

51-43-4sc-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
(1)

Epinephrine is a hormone that activates beta-adrenergic receptors. This receptor activation increases cAMP levels, which can stimulate PKA. PKA phosphorylates and activates SPRED2.

L-Noradrenaline

51-41-2sc-357366
sc-357366A
1 g
5 g
$326.00
$485.00
3
(0)

Norepinephrine is a hormone that activates beta-adrenergic receptors. This receptor activation increases cAMP levels, which can stimulate PKA. PKA phosphorylates and activates SPRED2.

PGE2

363-24-6sc-201225
sc-201225C
sc-201225A
sc-201225B
1 mg
5 mg
10 mg
50 mg
$57.00
$159.00
$275.00
$678.00
37
(1)

PGE2 is a prostaglandin that stimulates adenylate cyclase to increase cAMP levels. The resulting cAMP accumulation triggers PKA, which phosphorylates and activates SPRED2.

SQ 22536

17318-31-9sc-201572
sc-201572A
5 mg
25 mg
$95.00
$363.00
13
(1)

SQ 22536 is an adenylate cyclase inhibitor. The inhibition of adenylate cyclase reduces cAMP levels, which decreases PKA activity. This decrease in PKA activity can trigger a negative feedback loop, activating Ras signaling and subsequently activating SPRED2.

Papaverine

58-74-2sc-279951
sc-279951A
sc-279951B
10 mg
50 mg
100 mg
$153.00
$265.00
$459.00
(0)

Papaverine is a PDE inhibitor that raises cellular cAMP levels. Higher cAMP levels trigger PKA, which phosphorylates and activates SPRED2.

Dobutamine

34368-04-2sc-507555
100 mg
$295.00
(0)

Dobutamine is a beta-1 adrenergic receptor agonist that can increase cAMP levels, which in turn stimulate PKA. PKA phosphorylates and in turn activates SPRED2.