Date published: 2026-5-26

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NHE-3 Activators

NHE-3 (Sodium-Hydrogen Exchanger 3) is one of the major isoforms of sodium-hydrogen exchangers found in the human body. These exchangers play an integral role in maintaining intracellular pH by transporting hydrogen ions out of the cell in exchange for sodium ions. As the name suggests, NHE-3 activators are chemical compounds that upregulate or stimulate the activity of the NHE-3 protein. These activators enhance the exchange process, favoring the expulsion of protons from the interior of cells, thus mitigating the effects of intracellular acidification. The NHE-3 isoform is primarily localized in the kidney, particularly in the proximal tubule, where it plays a pivotal role in the reabsorption of sodium. Therefore, any chemical substance that can modulate the activity of this exchanger has the potential to influence sodium homeostasis in the body.

The mechanisms by which NHE-3 activators function can be diverse. Some activators may directly bind to the exchanger protein, inducing conformational changes that enhance its ion exchange capabilities. Others might operate indirectly by modulating the signaling pathways that control the expression or activity of NHE-3. Given the intricate regulatory networks that dictate cell physiology, it's feasible for various activators to interact with different aspects of the NHE-3 functional pathway. The identification and study of these activators can provide deeper insights into cellular acid-base balance, sodium handling, and their respective biochemical pathways.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Angiotensin II, Human

4474-91-3sc-363643
sc-363643A
sc-363643B
sc-363643C
1 mg
5 mg
25 mg
100 mg
$51.00
$100.00
$310.00
$690.00
3
(1)

This peptide hormone is part of the renin-angiotensin system and can activate NHEIts activation often results in increased blood pressure and fluid balance.

Aldosterone

52-39-1sc-210774
sc-210774A
sc-210774B
sc-210774C
sc-210774D
sc-210774E
2 mg
5 mg
10 mg
50 mg
100 mg
250 mg
$259.00
$213.00
$317.00
$1550.00
$3074.00
$7637.00
1
(1)

This hormone is released by the adrenal glands and has been shown to increase NHE3 activity in the renal tubules, resulting in increased sodium reabsorption.

Insulin

11061-68-0sc-29062
sc-29062A
sc-29062B
100 mg
1 g
10 g
$156.00
$1248.00
$12508.00
82
(1)

Insulin has been reported to activate NHE3, leading to an increase in sodium reabsorption, which can have implications in insulin-resistant states.

Lysophosphatidic Acid

325465-93-8sc-201053
sc-201053A
5 mg
25 mg
$98.00
$341.00
50
(3)

This lipid signaling molecule has been shown to activate NHE3, especially in renal cells.

Bradykinin

58-82-2sc-507311
5 mg
$110.00
(0)

Though primarily known for its vasodilator properties, bradykinin can also increase NHE3 activity in certain conditions.

Dopamine

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

At certain concentrations, dopamine has been found to increase NHE3 activity. However, the relationship between dopamine and NHE3 is complex and can be influenced by various factors.

Calcium

7440-70-2sc-252536
5 g
$209.00
(0)

Elevations in intracellular calcium can increase NHE3 activity. Calcium's effect on NHE3 is mediated through various signaling pathways, including calmodulin and PKC.