Date published: 2026-5-30

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GPR89 Activators

GPR89 Activators are a specific selection of chemical compounds that influence the functional activity of GPR89 through indirect mechanisms tied to signaling pathways this protein is associated with. Forskolin, IBMX, Isoproterenol, PGE2, Rolipram, Zaprinast, Adenosine, BAY 60-6583, Vardenafil, Anagrelide, and Fenoldopam all play a role in increasing intracellular cyclic AMP (cAMP) levels, either by direct activation of adenylate cyclase, inhibition of cAMP-degrading phosphodiesterases, or activating cAMP-related G-protein-coupled receptors. The enhanced cAMP levels in turn activate PKA or other cAMP-dependent pathways, leading to the phosphorylation of downstream substrates that could include GPR89 or its associated signaling partners, thereby potentially amplifying its signaling capacity.

In addition to the cyclic nucleotide pathway modulators, A23187 (Calcimycin) serves as an ionophore that elevates intracellular calcium levels, which can initiate a cascade of calcium-dependent signaling events. These events may intersect with GPR89-related pathways, thus influencing the protein's activity. The combined effects of these GPR89 Activators, through their targeted regulation of intracellular messenger systems, create an environment conducive to the enhanced activity of GPR89. This synergy of biochemical actionsI apologize for the oversight.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

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 (PDEs) which increases intracellular cAMP levels by preventing its degradation. This indirect action can potentiate the cAMP-dependent pathway that GPR89 is a part of, leading to its enhanced activity.

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)

Prostaglandin E2 (PGE2) interacts with its G-protein-coupled receptors, potentially leading to increased intracellular cAMP. This action could amplify signaling mechanisms that involve GPR89.

Rolipram

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

Rolipram is a selective inhibitor of PDE4, an enzyme that degrades cAMP. By inhibiting PDE4, rolipram raises cAMP levels, which may indirectly activate GPR89 by strengthening cAMP-dependent signaling.

Zaprinast (M&B 22948)

37762-06-4sc-201206
sc-201206A
25 mg
100 mg
$105.00
$250.00
8
(2)

Zaprinast is a selective inhibitor of PDE5, which also increases cAMP levels in cells. The elevation of cAMP may in turn enhance GPR89 activity by engaging relevant signaling pathways.

Adenosine

58-61-7sc-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
(0)

Adenosine interacts with its receptors, which can increase cAMP production. This increase in cAMP might indirectly activate GPR89 by intensifying the associated signaling pathways.

A23187

52665-69-7sc-3591
sc-3591B
sc-3591A
sc-3591C
1 mg
5 mg
10 mg
25 mg
$55.00
$131.00
$203.00
$317.00
23
(1)

A23187 is an ionophore that increases intracellular calcium levels. The change in calcium dynamics could affect pathways that are linked to GPR89 function, indirectly enhancing its activity.

BAY 60-6583

910487-58-0sc-503262
10 mg
$210.00
(0)

BAY 60-6583 is a selective adenosine A2B receptor agonist, promoting cAMP accumulation. This could indirectly enhance GPR89 function if GPR89 is coupled to cAMP-mediated signaling.

Vardenafil

224785-90-4sc-362054
sc-362054A
sc-362054B
100 mg
1 g
50 g
$526.00
$735.00
$16653.00
7
(1)

Vardenafil is a selective inhibitor of PDE5, leading to increased cAMP and cGMP levels. The rise in cyclic nucleotides may indirectly enhance GPR89 signaling pathways associated with these molecules.