Date published: 2025-10-25

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KChIP1 Inhibitors

Chemical inhibitors of KChIP1 function by interfering with the protein's ability to modulate A-type potassium channels through calcium-dependent interactions. Bepridil, diltiazem, and verapamil, all calcium channel blockers, disrupt the intracellular calcium levels necessary for KChIP1 to properly associate with potassium channels. By inhibiting voltage-gated calcium channels, these drugs reduce the calcium influx that KChIP1 relies on to exert its modulatory effects on the gating and conductance of A-type potassium channels. This results in the functional inhibition of KChIP1's role in these channels' activity. The phenylalkylamine composition of verapamil, in particular, targets L-type calcium channels, creating an environment where KChIP1 is less able to interact with and modulate its target channels, thus inhibiting its function. Similarly, dihydropyridine calcium channel blockers such as nifedipine, amlodipine, isradipine, nicardipine, nimodipine, felodipine, lacidipine, lercanidipine, and azelnidipine also inhibit KChIP1 by preventing the calcium signaling necessary for its regulatory functions. These compounds effectively lower the intracellular calcium concentration, which KChIP1 depends on to influence A-type potassium channels. The absence of adequate calcium levels hinders KChIP1's capacity to modify the kinetics and surface expression of these channels, leading to the protein's functional inhibition. Each of these chemicals, by altering calcium dynamics, indirectly inhibits KChIP1's ability to regulate the activity of A-type potassium channels.

Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Bepridil

64706-54-3sc-507400
100 mg
$1620.00
(0)

Bepridil is a calcium channel blocker that inhibits voltage-gated calcium channels. KChIP1 is known to associate with and modulate the A-type potassium channels' function by altering their voltage-dependent properties. By inhibiting calcium channels, bepridil can disrupt the intracellular calcium levels that are necessary for KChIP1 to properly associate with potassium channels, thereby functionally inhibiting KChIP1's modulation of these channels.

Diltiazem

42399-41-7sc-204726
sc-204726A
1 g
5 g
$209.00
$464.00
4
(1)

Diltiazem is another calcium channel blocker with a similar mechanism to bepridil. It can inhibit the interaction between KChIP1 and A-type potassium channels by altering the calcium dynamics within the cell, leading to a functional inhibition of KChIP1's role in modulating the activity of these channels.

Verapamil

52-53-9sc-507373
1 g
$367.00
(0)

Verapamil, a phenylalkylamine calcium channel blocker, also inhibits calcium influx through L-type calcium channels. This inhibition can decrease the calcium-dependent interaction of KChIP1 with its target potassium channels, thus functionally inhibiting the protein's modulatory effect on channel properties such as gating and conductance.

Nifedipine

21829-25-4sc-3589
sc-3589A
1 g
5 g
$58.00
$170.00
15
(1)

Nifedipine is a dihydropyridine calcium channel blocker that can disrupt the calcium-dependent regulatory function of KChIP1 on A-type potassium channels by reducing calcium currents. This decrease in calcium levels can impair the ability of KChIP1 to modify the channel kinetics and surface expression, leading to its functional inhibition.

Amlodipine

88150-42-9sc-200195
sc-200195A
100 mg
1 g
$73.00
$163.00
2
(1)

Amlodipine is similar to nifedipine in that it is also a dihydropyridine calcium channel blocker. It can inhibit the functional activity of KChIP1 by diminishing the calcium signal that is crucial for KChIP1's modulation of A-type potassium channels.

Isradipine

75695-93-1sc-201467
sc-201467A
10 mg
50 mg
$86.00
$318.00
1
(1)

Isradipine, another dihydropyridine calcium channel blocker, functions analogously to amlodipine and nifedipine by inhibiting L-type calcium channels, which would decrease intracellular calcium levels, thereby functionally inhibiting KChIP1 by reducing its regulatory influence on A-type potassium channels.

Nicardipine hydrochloride

54527-84-3sc-202731
sc-202731A
1 g
5 g
$32.00
$81.00
5
(2)

Nicardipine is a calcium channel blocker that would inhibit KChIP1 in a similar manner to other dihydropyridines by impairing calcium influx and thus KChIP1's association with and modulation of A-type potassium channels.

Nimodipine

66085-59-4sc-201464
sc-201464A
100 mg
1 g
$60.00
$301.00
2
(1)

Nimodipine is a dihydropyridine calcium channel blocker that can also decrease the calcium-dependent interactions of KChIP1 with A-type potassium channels, leading to a functional inhibition of the protein's ability to affect these channels' properties.

Felodipine

72509-76-3sc-201483
sc-201483A
10 mg
50 mg
$89.00
$218.00
1
(1)

Felodipine, another dihydropyridine calcium channel blocker, would inhibit KChIP1 by lowering calcium currents necessary for KChIP1 to exert its modulatory effects on A-type potassium channels, leading to functional inhibition.

trans Lacidipine

103890-78-4sc-213066
10 mg
$153.00
(0)

Lacidipine is a long-acting calcium channel blocker that inhibits L-type calcium channels, which would similarly disrupt the calcium-dependent regulation of A-type potassium channels by KChIP1, resulting in the functional inhibition of KChIP1.