Date published: 2026-5-21

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Gpa2 Activators

Gpa2 activators encompass a group of chemicals that can indirectly enhance the expression or function of glycoprotein hormone alpha-2 through their actions on various cellular signaling pathways. These activators typically exert their effects by elevating intracellular levels of cyclic AMP (cAMP), a critical second messenger in signaling pathways that modulate the synthesis of glycoprotein hormones. Increased cAMP activates protein kinase A (PKA), a pivotal kinase in the phosphorylation of transcription factors that govern the expression of hormone-related genes.

The engagement of these activators with cellular mechanisms is specific and targeted. Forskolin, by directly activating adenylate cyclase, boosts cAMP synthesis, setting in motion a cascade that culminates in gene transcription. Similarly, IBMX and Rolipram prevent the degradation of cAMP, amplifying PKA signaling. PMA activates PKC, which can also influence transcriptional regulation in a pathway parallel to that activated by cAMP.

SEE ALSO...

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)

Activates adenylate cyclase, increasing cAMP levels, which can lead to the activation of protein kinase A (PKA). PKA can phosphorylate transcription factors that enhance the transcription of genes including those involved in glycoprotein hormone synthesis.

PMA

16561-29-8sc-3576
sc-3576A
sc-3576B
sc-3576C
sc-3576D
1 mg
5 mg
10 mg
25 mg
100 mg
$41.00
$132.00
$214.00
$500.00
$948.00
119
(6)

Activates protein kinase C (PKC) which is involved in signaling cascades that regulate gene expression, potentially increasing the transcription of glycoprotein hormones including Gpa2.

Adenosine 3′,5′-cyclic monophosphate

60-92-4sc-217584
sc-217584A
sc-217584B
sc-217584C
sc-217584D
sc-217584E
100 mg
250 mg
5 g
10 g
25 g
50 g
$116.00
$179.00
$265.00
$369.00
$629.00
$1150.00
(1)

Direct activator of PKA as a second messenger, which may stimulate the transcription of glycoprotein hormone-related genes, possibly influencing Gpa2 levels.

Isoproterenol Hydrochloride

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

A synthetic catecholamine that activates adrenergic receptors leading to increased cAMP and activation of PKA, potentially enhancing Gpa2 expression.

IBMX

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

Non-selective inhibitor of phosphodiesterases, preventing the breakdown of cAMP and thus enhancing PKA activity, which could promote Gpa2 expression.

Rolipram

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

Phosphodiesterase-4 inhibitor, increasing intracellular cAMP levels and potentially enhancing the transcription of glycoprotein hormone genes through PKA activation.

Sodium Fluoride

7681-49-4sc-24988A
sc-24988
sc-24988B
5 g
100 g
500 g
$40.00
$46.00
$100.00
26
(4)

A nonspecific G-protein activator and phosphodiesterase inhibitor, it can lead to increased cAMP levels and activate PKA, possibly influencing Gpa2 expression.

Dibutyryl-cAMP

16980-89-5sc-201567
sc-201567A
sc-201567B
sc-201567C
20 mg
100 mg
500 mg
10 g
$47.00
$136.00
$492.00
$4552.00
74
(7)

A membrane-permeable cAMP analog that directly activates PKA, potentially increasing the transcription of genes involved in glycoprotein hormone regulation.

(−)-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)

Stimulates adenylate cyclase through adrenergic receptors, increasing cAMP levels and activating PKA, which may enhance the transcription and synthesis of glycoprotein hormones, potentially affecting Gpa2 expression.