Date published: 2026-4-1

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GS188 Activators

GS188 Activators function primarily by enhancing the intracellular levels of cyclic adenosine monophosphate (cAMP), a pivotal second messenger in many cellular processes. Forskolin, PGE2, Isoprenaline, Epinephrine, Dopamine, SKF38393, and BRL 37344 increase intracellular cAMP levels by activating adenylate cyclase or specific receptors linked to adenylate cyclase. On the other hand, IBMX, Rolipram, and ZM241385 raise intracellular cAMP levels by inhibiting phosphodiesterase or the A2A adenosine receptor, which normally decreases cAMP levels. The increased cAMP levels stimulate protein kinase A (PKA), which can then activate GS188 by phosphorylating it.

The activation of GS188 by PKA is a vital step in the functional activation of GS188. An increased intracellular cAMP level leads to the activation of PKA. Once activated, PKA can phosphorylate and activate GS188, thereby enhancing its functional activity. 8-Bromo-cAMP directly activates PKA, thus bypassing the need for increased cAMP levels. H-89, in contrast, functions by inhibiting PKA. This inhibition can reduce the negative feedback on GS188, thereby enhancing its activity. Therefore, the functional activation of GS188 can be achieved through various biochemical strategies, either by increasing cAMP levels or directly stimulating PKA.

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Items 1 to 10 of 12 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, which increases intracellular cAMP levels. The rise in cAMP levels can stimulate PKA, which in turn can activate GS188 by phosphorylation.

8-Bromo-cAMP

76939-46-3sc-201564
sc-201564A
10 mg
50 mg
$126.00
$328.00
30
(1)

8-Bromo-cAMP is a cell-permeable cAMP analog that activates PKA. The activation of PKA can lead to the phosphorylation and activation of GS188.

H-89 dihydrochloride

130964-39-5sc-3537
sc-3537A
1 mg
10 mg
$94.00
$186.00
71
(2)

H-89 is a PKA inhibitor. By inhibiting PKA, it can reduce the negative feedback inhibition on GS188, thereby increasing its activity.

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 phosphodiesterase inhibitor that increases intracellular cAMP levels. Elevated cAMP can stimulate PKA, which then activates GS188 by phosphorylation.

Rolipram

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

Rolipram is a phosphodiesterase inhibitor that increases intracellular cAMP levels. Elevated cAMP can stimulate PKA, which then activates GS188 by phosphorylation.

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 activates adenylate cyclase, which increases cAMP levels. Elevated cAMP can stimulate PKA, which then activates GS188 by phosphorylation.

Isoproterenol Hydrochloride

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

Isoprenaline is a beta-adrenergic receptor agonist that increases cAMP levels. Elevated cAMP can stimulate PKA, which then activates GS188 by phosphorylation.

(−)-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 beta-adrenergic receptor agonist that increases cAMP levels. Elevated cAMP can stimulate PKA, which then activates GS188 by phosphorylation.

Dopamine

51-61-6sc-507336
1 g
$290.00
(0)

Dopamine is a D1-like receptor agonist that increases cAMP levels. Elevated cAMP can stimulate PKA, which then activates GS188 by phosphorylation.

SKF 38393 hydrochloride

62717-42-4sc-203264
25 mg
$50.00
(1)

SKF38393 is a D1-like receptor agonist that increases cAMP levels. Elevated cAMP can stimulate PKA, which then activates GS188 by phosphorylation.