Date published: 2026-2-14

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ALG-4 Activators

indirectly stimulate the functional activation of ALG-4 through specific signaling pathways. Epinephrine, Forskolin, and Isoproterenol, for instance, activate adenylyl cyclase which leads to an increase in cAMP levels. This elevation in cAMP then triggers PKA, which can phosphorylate and activate ALG-4. This series of events showcases how these chemicals directly influence the functional activity of ALG-4. In contrast, Phorbol 12-Myristate 13-Acetate (PMA) operates through a different mechanism, activating protein kinase C (PKC) which can then phosphorylate and stimulate ALG-4.

Other ALG-4 Activators, such as Okadaic Acid and Calyculin A, operate by inhibiting deactivating enzymes, leading to sustained activation of ALG-4. These chemicals inhibit protein phosphatases 1 and 2A, enzymes responsible for the dephosphorylation and consequent deactivation of ALG-4. By obstructing these enzymes, Okadaic Acid and Calyculin A prevent the deactivation of ALG-4, leading to its continued activation. Similarly, H-89 and Staurosporine inhibit protein kinases, resulting in the upregulation of cAMP levels and indirect activation ofALG-4. H-89 inhibits PKA, leading to the upregulation of cAMP levels, while Staurosporine inhibits PKC, altering cellular signaling pathways and indirectly leading to the activation of ALG-4.

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Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

(−)-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 activates adrenergic receptors, leading to an increase in cyclic AMP levels. The elevated cAMP activates PKA, which can phosphorylate and activate ALG-4.

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 activates adenylyl cyclase, leading to an increase in cyclic AMP levels. The elevated cAMP activates PKA, which can subsequently activate ALG-4.

Isoproterenol Hydrochloride

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

Isoproterenol activates β-adrenergic receptors, leading to an increase in cAMP levels. The elevated cAMP activates PKA, which can in turn activate ALG-4.

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)

PMA activates protein kinase C (PKC). PKC activation can lead to phosphorylation and activation of ALG-4.

Okadaic Acid

78111-17-8sc-3513
sc-3513A
sc-3513B
25 µg
100 µg
1 mg
$291.00
$530.00
$1800.00
78
(4)

Okadaic Acid inhibits protein phosphatases 1 and 2A. By inhibiting these phosphatases, Okadaic Acid prevents dephosphorylation, allowing for sustained activation of ALG-4.

Calyculin A

101932-71-2sc-24000
sc-24000A
10 µg
100 µg
$163.00
$800.00
59
(3)

Calyculin A inhibits protein phosphatases 1 and 2A. By inhibiting these phosphatases, Calyculin A can lead to sustained activation of ALG-4.

8-Bromoadenosine 3′,5′-cyclic monophosphate

23583-48-4sc-217493B
sc-217493
sc-217493A
sc-217493C
sc-217493D
25 mg
50 mg
100 mg
250 mg
500 mg
$108.00
$169.00
$295.00
$561.00
$835.00
2
(1)

8-Bromo-cAMP is a cell-permeable cAMP analog that activates PKA. Activation of PKA can lead to phosphorylation and activation of ALG-4.

H-89 dihydrochloride

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

H-89 is a potent and selective inhibitor of PKA. In the presence of cAMP, PKA can activate ALG-4. Thus, the inhibition of PKA with H-89 can lead to the upregulation of cAMP levels, indirectly leading to the activation of ALG-4.

Staurosporine

62996-74-1sc-3510
sc-3510A
sc-3510B
100 µg
1 mg
5 mg
$82.00
$153.00
$396.00
113
(4)

Staurosporine is a potent inhibitor of protein kinases, including PKC. Inhibition of PKC can lead to altered cellular signaling pathways, indirectly leading to the activation of ALG-4.

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, enzymes that degrade cAMP. By inhibiting phosphodiesterases, IBMX can increase cAMP levels, leading to the activation of PKA and subsequently ALG-4.