Date published: 2025-11-1

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KCNQ3 Inhibitors

KCNQ3 inhibitors are a class of chemical compounds with a distinctive mode of action focused on the manipulation of KCNQ3 ion channels. These ion channels, a subset of the larger KCNQ family, are fundamental components of cellular membrane structures. Their primary role is to regulate the flow of potassium ions across these membranes, thereby crucially influencing the electrical properties and excitability of cells. KCNQ3 channels are notably expressed in the nervous system, where they participate in shaping action potentials and controlling neuronal firing patterns. Consequently, the overall electrical activity of the cell can be significantly affected. The intricate interplay between ion channels, including KCNQ3, is an essential component of various physiological processes, especially in neuronal communication and signal propagation. The modulation of KCNQ3 channels by inhibitors can have far-reaching consequences. Since these channels are involved in shaping the electrical properties of cells, changes in their activity can impact neural excitability, neurotransmitter release, and overall network activity. Such modulation can influence the transmission of signals within neural circuits and potentially lead to physiological responses ranging from altered neuronal firing patterns to changes in neurotransmitter release. Ongoing scientific research seeks to unravel the precise mechanisms by which KCNQ3 inhibitors interact with these ion channels. By elucidating these mechanisms at a molecular level, researchers aim to gain deeper insights into the potential implications of KCNQ3 inhibition on cellular function and neural communication. While the full scope of their applications and implications is still being explored, the significance of KCNQ3 inhibitors stems from their capacity to selectively influence ion channel behavior, thereby impacting various facets of cellular excitability and electrical signaling within neural tissues.
Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Glyburide (Glibenclamide)

10238-21-8sc-200982
sc-200982A
sc-200982D
sc-200982B
sc-200982C
1 g
5 g
25 g
100 g
500 g
$45.00
$60.00
$115.00
$170.00
$520.00
36
(1)

XE991 is a selective KCNQ3 inhibitor that has been studied for its potential role in modulating neuronal activity.

ICA 069673

582323-16-8sc-362745
sc-362745A
10 mg
50 mg
$159.00
$645.00
(0)

This compound is known to inhibit KCNQ3 and KCNQ4 channels, and it has been investigated for its potential in affecting conditions like epilepsy.

Chromanol 293B

163163-23-3sc-203889
sc-203889A
10 mg
50 mg
$178.00
$759.00
1
(1)

This compound is a known inhibitor of KCNQ channels and has been studied for its effects on cardiac arrhythmias.