Date published: 2026-5-24

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TOK-1 Activators

TOK-1, also known as Two-Pore Domain Potassium Channel 1, plays a crucial role in regulating potassium ion (K+) flux across cellular membranes, thereby modulating membrane potential and cellular excitability in various organisms. Functioning as a voltage-gated ion channel, TOK-1 is primarily involved in maintaining cellular homeostasis by controlling the flow of K+ ions across cell membranes. This regulation of ion flux is essential for numerous physiological processes, including neuronal excitability, muscle contraction, and hormone secretion.

The activation of TOK-1 involves intricate mechanisms that govern its opening and closing in response to changes in membrane potential. One of the key mechanisms of activation involves the binding of specific ligands or ions to the channel, leading to conformational changes that facilitate the opening of the channel pore. Additionally, changes in membrane potential, such as depolarization, can trigger the activation of TOK-1 channels, allowing for the influx or efflux of K+ ions depending on the cellular context. Furthermore, post-translational modifications and interactions with regulatory proteins can also modulate TOK-1 activity, fine-tuning its function in response to cellular signals. Overall, the activation of TOK-1 channels is a tightly regulated process that plays a fundamental role in maintaining cellular excitability and homeostasis.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Forskolin

66575-29-9sc-3562
sc-3562A
sc-3562B
sc-3562C
sc-3562D
5 mg
50 mg
1 g
2 g
5 g
$78.00
$153.00
$740.00
$1413.00
$2091.00
73
(3)

Forskolin activates adenylate cyclase, increasing cAMP levels, which can enhance TOK-1 activity through PKA-dependent phosphorylation mechanisms.

PMA

16561-29-8sc-3576
sc-3576A
sc-3576B
sc-3576C
sc-3576D
1 mg
5 mg
10 mg
25 mg
100 mg
$41.00
$132.00
$214.00
$500.00
$948.00
119
(6)

PMA activates protein kinase C (PKC), which can phosphorylate substrates that may interact with TOK-1, thereby augmenting its cellular functions.

Ionomycin

56092-82-1sc-3592
sc-3592A
1 mg
5 mg
$78.00
$270.00
80
(4)

By increasing intracellular calcium levels, Ionomycin can indirectly activate calcium-dependent proteins that modulate the function of TOK-1.

(−)-Epigallocatechin Gallate

989-51-5sc-200802
sc-200802A
sc-200802B
sc-200802C
sc-200802D
sc-200802E
10 mg
50 mg
100 mg
500 mg
1 g
10 g
$43.00
$73.00
$126.00
$243.00
$530.00
$1259.00
11
(1)

EGCG inhibits several kinases, potentially reducing competition for phosphorylation sites and indirectly enhancing TOK-1 activity.

Dibutyryl-cAMP

16980-89-5sc-201567
sc-201567A
sc-201567B
sc-201567C
20 mg
100 mg
500 mg
10 g
$47.00
$136.00
$492.00
$4552.00
74
(7)

As a cAMP analog, db-cAMP mimics the second messenger cAMP, potentially enhancing TOK-1 activity by similar mechanisms as Forskolin.

D-erythro-Sphingosine-1-phosphate

26993-30-6sc-201383
sc-201383D
sc-201383A
sc-201383B
sc-201383C
1 mg
2 mg
5 mg
10 mg
25 mg
$165.00
$322.00
$570.00
$907.00
$1727.00
7
(1)

S1P is a bioactive lipid that can activate signaling pathways which may lead to the functional activation of TOK-1.

A23187

52665-69-7sc-3591
sc-3591B
sc-3591A
sc-3591C
1 mg
5 mg
10 mg
25 mg
$55.00
$131.00
$203.00
$317.00
23
(1)

A23187 increases intracellular calcium levels, which can activate calcium-dependent signaling mechanisms that enhance TOK-1 function.

Isoproterenol Hydrochloride

51-30-9sc-202188
sc-202188A
100 mg
500 mg
$28.00
$38.00
5
(0)

As a beta-adrenergic agonist, Isoproterenol increases cAMP levels, potentially leading to the activation of signaling pathways that enhance TOK-1 activity.

Rolipram

61413-54-5sc-3563
sc-3563A
5 mg
50 mg
$77.00
$216.00
18
(1)

Rolipram inhibits phosphodiesterase 4 (PDE4), leading to increased cAMP levels which may indirectly enhance TOK-1 activity through cAMP-dependent pathways.