Date published: 2025-11-28

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NBC4 Activators

NBC4 Activators are a group of chemical compounds that enhance the functional activity of NBC4, a sodium/bicarbonate co-transporter that plays a critical role in maintaining intracellular pH. These activators influence various intracellular pathways to enhance the activity of NBC4. For instance, cyclic AMP (cAMP) and Forskolin enhance NBC4 activity by increasing intracellular cAMP levels, leading to the activation of protein kinase A (PKA), which phosphorylates and activates NBC4. Epinephrine, Dopamine, Glucagon, Isoproterenol, Histamine, and Serotonin also influence the cAMP pathway by binding to their respective receptors and activating adenylate cyclase, resulting in increased cAMP production. On the other hand, compounds like Insulin and Vasopressin affect the activity of NBC4 via different routes. Insulin activates the PI3K/Akt pathway, which leads to the phosphorylation and activation of NBC4, while Vasopressin activates phospholipase C, increasing intracellular calcium, which in turn activates NBC4.

Calcium Chloride also enhances the activity of NBC4 by increasing intracellular calcium levels, which can bind to and activate calmodulin, leading to the activation of NBC4. Theophylline, a member of the methylxanthines, inhibits phosphodiesterase, leading to an increase in cAMP levels, which then activates PKA and subsequently NBC4. Therefore, despite the diverse nature of these compounds and the pathways they influence, their ultimate impact converges on the activation of NBC4.

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Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

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
$114.00
$175.00
$260.00
$362.00
$617.00
$1127.00
(1)

Cyclic AMP (cAMP) is a secondary messenger that can enhance the activity of NBC4 via its role in regulating intracellular pH. NBC4 is a sodium/bicarbonate co-transporter that functions to extrude intracellular acid. The production of cAMP can activate protein kinase A (PKA), which phosphorylates and activates NBC4, leading to an increase in bicarbonate transport and effectively removing excess intracellular acid.

Forskolin

66575-29-9sc-3562
sc-3562A
sc-3562B
sc-3562C
sc-3562D
5 mg
50 mg
1 g
2 g
5 g
$76.00
$150.00
$725.00
$1385.00
$2050.00
73
(3)

Forskolin directly stimulates adenylate cyclase, leading to an increase in intracellular cAMP levels. As mentioned above, the production of cAMP activates PKA, which phosphorylates and activates NBC4, enhancing bicarbonate transport and effectively removing excess intracellular acid.

(−)-Epinephrine

51-43-4sc-205674
sc-205674A
sc-205674B
sc-205674C
sc-205674D
1 g
5 g
10 g
100 g
1 kg
$40.00
$102.00
$197.00
$1739.00
$16325.00
(1)

Epinephrine binds to β-adrenergic receptors, which signal through G-proteins to activate adenylate cyclase. This leads to the production of cAMP, activation of PKA, phosphorylation, and activation of NBC4, leading to an increase in bicarbonate transport and effectively removing excess intracellular acid.

Insulin

11061-68-0sc-29062
sc-29062A
sc-29062B
100 mg
1 g
10 g
$153.00
$1224.00
$12239.00
82
(1)

Insulin activates the PI3K/Akt pathway, which can phosphorylate and activate NBC4, leading to an increase in bicarbonate transport and effectively removing excess intracellular acid.

Vasopressin

11000-17-2sc-356188
sc-356188A
5 mg
25 mg
$255.00
$1020.00
1
(0)

Vasopressin binds to V1a receptors that signal through G-proteins to activate phospholipase C. This leads to the production of IP3 and DAG, which ultimately increase intracellular calcium. Calcium can bind to and activate calmodulin, which can activate NBC4, leading to an increase in bicarbonate transport and effectively removing excess intracellular acid.

Calcium chloride anhydrous

10043-52-4sc-207392
sc-207392A
100 g
500 g
$65.00
$262.00
1
(1)

Calcium chloride can increase intracellular calcium levels. The elevated calcium can bind to and activate calmodulin, which can activate NBC4, leading to an increase in bicarbonate transport and effectively removing excess intracellular acid.

Theophylline

58-55-9sc-202835
sc-202835A
sc-202835B
5 g
25 g
100 g
$20.00
$31.00
$83.00
6
(0)

Theophylline inhibits phosphodiesterase, leading to an increase in cAMP levels. Higher cAMP levels activate PKA, which phosphorylates and activates NBC4, enhancing bicarbonate transport and effectively removing excess intracellular acid.

Dopamine

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

Dopamine binds to D1-like receptors, which signal through G-proteins to activate adenylate cyclase. This leads to the production of cAMP, activation of PKA, phosphorylation, and activation of NBC4, leading to an increase in bicarbonate transport and effectively removing excess intracellular acid.

Isoproterenol Hydrochloride

51-30-9sc-202188
sc-202188A
100 mg
500 mg
$27.00
$37.00
5
(0)

Isoproterenol binds to β-adrenergic receptors, which signal through G-proteins to activate adenylate cyclase. This leads to the production of cAMP, activation of PKA, phosphorylation, and activation of NBC4, leading to an increase in bicarbonate transport and effectively removing excess intracellular acid.

Histamine, free base

51-45-6sc-204000
sc-204000A
sc-204000B
1 g
5 g
25 g
$92.00
$277.00
$969.00
7
(1)

Histamine binds to H2 receptors, which signal through G-proteins to activate adenylate cyclase. This leads to the production of cAMP, activation of PKA, phosphorylation, and activation of NBC4, leading to an increase in bicarbonate transport and effectively removing excess intracellular acid.