Date published: 2025-10-10

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ATP8A2 Activators

ATP8A2 activators include a range of chemical compounds that indirectly upregulate the activity of ATP8A2 through distinct cellular pathways, primarily driven by ionic imbalances and the modulation of phosphorylation states. Compounds like Ouabain and Digoxin, by targeting the Na⁺/K⁺-ATPase pump, induce an intracellular increase in sodium levels, which, in turn, can enhance the activity of ATP8A2 as the cell seeks to restore ionic equilibrium. Veratridine, by activating sodium channels, and Monensin, through its action as a sodium ionophore, also create a need for the upregulation of ATP8A2 to manage altered sodium levels. On the other hand, 4-Aminopyridine and Niflumic acid alter the cellular ionic landscape by blocking potassium and chloride channels, respectively, potentially triggering ATP8A2 activity to compensate for these disruptions. The influence of ATP8A2 activators extends to calcium handling and proton gradients within the cell. Bafilomycin A1 and Thapsigargin, by inhibiting V-ATPases and SERCA pumps, respectively, disrupt proton and calcium equilibrium, which could indirectly result in elevated ATP8A2 activity to help restore balance. Cyclopiazonic acid, another SERCA pump inhibitor, is likely to exert a similar effect on ATP8A2 activity. In addition, Calyculin A, by inhibiting protein phosphatases, may enhance the phosphorylation state of ATP8A2, thus indirectly increasing its activity. Collectively, these activators work through a variety of mechanisms, not by directly binding or modifying ATP8A2, but by creating conditions that necessitate or favor the upregulation of ATP8A2's activity within the cell.

SEE ALSO...

Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Ouabain-d3 (Major)

sc-478417
1 mg
$506.00
(0)

Ouabain is a known inhibitor of the Na⁺/K⁺-ATPase pump. By inhibiting this pump, ouabain increases intracellular Na⁺ levels, which can indirectly lead to the activation of ATP8A2 as the cell attempts to restore ionic balance through other ATPase activities.

Calyculin A

101932-71-2sc-24000
sc-24000A
sc-24000B
sc-24000C
10 µg
100 µg
500 µg
1 mg
$160.00
$750.00
$1400.00
$3000.00
59
(3)

Calyculin A is a potent inhibitor of protein phosphatases 1 (PP1) and 2A (PP2A). Inhibition of these phosphatases can lead to increased phosphorylation of proteins within the cell, potentially enhancing the activity of ATP8A2 by promoting its phosphorylation state.

4-Aminopyridine

504-24-5sc-202421
sc-202421B
sc-202421A
25 g
1 kg
100 g
$37.00
$1132.00
$120.00
3
(2)

4-Aminopyridine is a potassium channel blocker. It increases neuronal excitability and intracellular calcium levels, which could activate calcium-dependent ATPase pumps, including ATP8A2, to manage the altered ionic environment.

12β-Hydroxydigitoxin

20830-75-5sc-213604
sc-213604A
1 g
5 g
$140.00
$680.00
(0)

12β-Hydroxydigitoxin, like ouabain, is a cardiac glycoside that inhibits the Na⁺/K⁺-ATPase pump. This inhibition can indirectly enhance the activity of ATP8A2 as part of the compensatory mechanisms of the cell.

Veratridine

71-62-5sc-201075B
sc-201075
sc-201075C
sc-201075A
5 mg
10 mg
25 mg
50 mg
$80.00
$102.00
$197.00
$372.00
3
(1)

Veratridine is a sodium channel activator. It disrupts the sodium equilibrium, potentially increasing the functional demand on ATP8A2 as the cell works to maintain ionic balance.

Niflumic acid

4394-00-7sc-204820
5 g
$31.00
3
(1)

Niflumic acid is a chloride channel blocker, which could lead to increased intracellular chloride levels. This change in ionic concentration may activate chloride-sensitive ATPases, and ATP8A2 may be upregulated to handle the ionic imbalance.

Bafilomycin A1

88899-55-2sc-201550
sc-201550A
sc-201550B
sc-201550C
100 µg
1 mg
5 mg
10 mg
$96.00
$250.00
$750.00
$1428.00
280
(6)

Bafilomycin A1 is a specific inhibitor of the V-ATPases. Its inhibition of V-ATPases might lead to an increased role for P-type ATPases like ATP8A2 in maintaining proton gradients across membranes.

Cyclopiazonic Acid

18172-33-3sc-201510
sc-201510A
10 mg
50 mg
$173.00
$612.00
3
(1)

Cyclopiazonic acid is a specific inhibitor of the sarcoplasmic/endoplasmic reticulum Ca²⁺-ATPases (SERCA). Inhibition of SERCA can lead to an increased demand on other ATPases, including ATP8A2, to manage calcium homeostasis.

Monensin A

17090-79-8sc-362032
sc-362032A
5 mg
25 mg
$152.00
$515.00
(1)

Monensin is a sodium-ionophore that disrupts Na+ homeostasis. The resulting ionic imbalance could necessitate an increased activity of ATP8A2 to help restore ionic equilibrium.

Ionomycin

56092-82-1sc-3592
sc-3592A
1 mg
5 mg
$76.00
$265.00
80
(4)

Ionomycin is a calcium ionophore that elevates intracellular calcium levels, potentially enhancing the activity of calcium-dependent ATPases such as ATP8A2 to restore calcium balance.