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Pathways Recommended:	Membrane Transporter/Ion Channel

Results for "

SK channels

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Potassium Channel (15) Adrenergic Receptor (2) GABA Receptor (1) Parasite (1)
By Research Areas:	Cancer (3) Cardiovascular Disease (6) Endocrinology (1) Infection (1) Inflammation/Immunology (4) Neurological Disease (12)

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Products

Targets Recommended: Chloride Channel Calcium Channel HCN Channel CRAC Channel TRP Channel Sodium Channel Potassium Channel Piezo Channel

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-109160

Rimtuzalcap CAD-1883	Potassium Channel	Neurological Disease
Rimtuzalcap (CAD-1883) is a first-in-class selective positive allosteric modulator of small-conductance calcium-activated potassium channels (SK channels). Rimtuzalcap can be used for the research of movement disorders including essential tremor (ET) and spinocerebellar ataxia (SCA) .

HY-110105

NS8593 hydrochloride	Potassium Channel	Neurological Disease
NS8593 hydrochloride is a potent and selective small conductance Ca ²⁺-activated K ⁺ channels (SK channels) inhibitor. NS8593 hydrochloride reversibly inhibits *SK3*-mediated currents with a K_d value of 77 nM. NS8593 hydrochloride inhibits all the *SK1-3* subtypes Ca ²⁺-dependently (K_ds of 0.42, 0.60, and 0.73 μM, respectively, at 0.5 μM Ca ²⁺), and does not affect the Ca ²⁺-activated K ⁺ channels of intermediate and large conductance (hIK and hBK channels, respectively) .

HY-P5154A

Tamapin TFA	Potassium Channel	Neurological Disease
Tamapin TFA is a venom peptide, targeting to small conductance Ca(2+)-activated K(+) (SK) channels. Tamapin TFA is a selctive blocker of *SK2* (Potassium Channel). Tamapin TFA inhibits SK channel-mediated currents in pyramidal neurons of the hippocampus. Tamapin TFA can be isolated from the Indian red scorpion (Mesobuthus tamulus) .

HY-147556

*SK3 Channel-IN-1*	Potassium Channel	Cancer
SK3 Channel-IN-1 (compound 7a) is a potent and specific SK3 channel modulator. SK3 Channel-IN-1 has efficient effect on breast cancer MDA-MB-435 cell migration while exhibiting low cytotoxicity in other cell lines. SK3 Channel-IN-1 can modulate ion channels’activity in cancer .

HY-P5154

Tamapin	Potassium Channel	Neurological Disease
Tamapin is a venom peptide, targeting to small conductance Ca(2+)-activated K(+) (SK) channels. Tamapin is a selctive blocker of *SK2* (Potassium Channel). Tamapin inhibits SK channel-mediated currents in pyramidal neurons of the hippocampus. Tamapin can be isolated from the Indian red scorpion (Mesobuthus tamulus) .

HY-102070

NS13001	Potassium Channel	Neurological Disease
NS13001 is a potent, selective, orally active allosteric positive modulator of SK channels (small conductance calcium-activated potassium channels). The EC₅₀s are 1.8 and 0.14 μM for SK2 and SK3, respectively. NS13001 holds promise as a potential therapeutic agent for treatment of spinocerebellar ataxia type 2 (SCA2) and possibly other cerebellar ataxias .

HY-120355A

AP14145 hydrochloride	Potassium Channel	Cardiovascular Disease
AP14145 hydrochloride is a potent K_Ca2 (SK) channel negative allosteric modulator with an IC₅₀ of 1.1 μM for K_Ca2.2 (SK2) and K_Ca2.3 (SK3) channels. AP14145 hydrochloride inhibition strongly depends on two amino acids, S508 and A533 in the channel. AP14145 hydrochloride prolonged atrial effective refractory period (AERP) in rats and demonstrates antiarrhythmic effects in a Vernakalant-resistant porcine model of atrial fibrillation (AF) .

HY-15416

NS309	Potassium Channel	Cardiovascular Disease Neurological Disease
NS309 is a potent and selective activator of the Ca ²⁺-activated SK/IK potassium channels, but displays no activity at BK channels .

HY-P1424

Lei-Dab7	Potassium Channel	Neurological Disease
Lei-Dab7 is a potent and selective SK2 (KCa2.2) channels blocker with a K_d of 3.8 nM. Lei-Dab7 shows low or no activity on KCa1, KCa3, Kv and Kir2.1 channels .

HY-P0256

Apamin 3 Publications Verification Apamine	Potassium Channel	Neurological Disease Inflammation/Immunology
Apamin (Apamine) is an 18 amino acid peptide neurotoxin found in apitoxin (bee venom), is known as a specifically selective blocker of Ca ²⁺-activated K ⁺ (SK) channels and exhibits anti-inflammatory and anti-fibrotic activity .

HY-22044

ICA N-[4-(2-Pyridinyl)-2-thiazolyl]-2-pyridinamine	Parasite	Infection Cardiovascular Disease
ICA (N-(pyridin-2-yl)-4-(pyridin-2-yl)thiazol-2-amine) is a SK channel inhibitor that has antileishmanial activity with an IC₅₀ of 2.1 µM.

HY-P0256A

Apamin TFA 3 Publications Verification Apamine TFA	Potassium Channel	Neurological Disease Inflammation/Immunology
Apamin TFA (Apamine TFA) is an 18 amino acid peptide neurotoxin found in apitoxin (bee venom), is known as a specifically selective blocker of Ca ²⁺-activated K ⁺ (SK) channels and exhibits anti-inflammatory and anti-fibrotic activity .

HY-P3064

Scyllatoxin Leiurotoxin I	Potassium Channel	Neurological Disease
Scyllatoxin (Leiurotoxin I) is a peptide toxin, it can be isolated from the venom of the scorpion (Leiurus quinquestriatus hebraeus). Scyllatoxin is a blocker of small-conductance K_Ca (SK) channel. Scyllatoxin enhances both norepinephrine (NE) and epinephrine (Epi) release in vivo .

HY-12550

GW542573X	Potassium Channel	Neurological Disease
GW542573X is a potent and selective Ca ²⁺-activated K ⁺ 2 (SK2) channels activator. GW542573X induces the Ca ²⁺-response curve of hSK1 that left-shifted from an EC₅₀ (Ca ²⁺) value of 410 nM to 240 nM .

HY-N0219

Bicuculline Maximum Cited Publications 20 Publications Verification (+)-Bicuculline; d-Bicuculline	GABA Receptor	Neurological Disease
Bicuculline ((+)-Bicuculline) is A competing neurotransmitter GABA_A receptor antagonist (IC₅₀=2 μM). Bicuculline also blocks Ca ²⁺ activating potassium (SK) channels and subsequently blocks slow post-hyperpolarization (slow AHP). Bicuculline has anticonvulsant activity. Bicuculline can be used to induce seizures in mice .

HY-108579

UCL 1684 dibromide	Potassium Channel	Cardiovascular Disease
UCL 1684 (dibromide) is a first nanomolar, non-peptidic small conductance calcium-activated potassium (SK) channel blocker. UCL 1684 (dibromide) is effective in preventing the development of atrial fibrillation due to potent atrial-selective inhibition of I_Na. UCL 1684 (dibromide) causes atrial-selective prolongation of ERP secondary to induction of postrepolarization refractoriness .

HY-P1424A

Lei-Dab7 TFA	Potassium Channel
Lei-Dab7 TFA is a high affinity, selective K_Ca2.2 (SK2) channel blocker (K_d=3.8 nM). Lei-Dab7 TFA exhibits >200-fold selectivity for K_Ca2.2 over K_Ca2.1, K_Ca2.3, K_Ca3.1, K_v and Kir2.1. Lei-Dab7 TFA increases theta-burst responses and increases LTP in rat hippocampal slices in vitro.

HY-B0076

Bisoprolol hemifumarate 5 Publications Verification	Adrenergic Receptor	Cardiovascular Disease Inflammation/Immunology Endocrinology Cancer
Bisoprolol hemifumarate is a potent, selective and orally active β1-adrenergic receptor blocker with little activity on β2-receptor. Bisoprolol hemifumarate has the potential for hypertension, coronary artery disease and stable ventricular dysfunction research .

HY-129029

Bisoprolol	Adrenergic Receptor	Cardiovascular Disease Inflammation/Immunology Cancer
Bisoprolol is a potent, selective and orally active β1-adrenergic receptor blocker with little activity on β2-receptor. Bisoprolol has the potential for hypertension, coronary artery disease and stable ventricular dysfunction research .

Cat. No.	Product Name	Target	Research Area

HY-P5154A

Tamapin TFA	Potassium Channel	Neurological Disease
Tamapin TFA is a venom peptide, targeting to small conductance Ca(2+)-activated K(+) (SK) channels. Tamapin TFA is a selctive blocker of *SK2* (Potassium Channel). Tamapin TFA inhibits SK channel-mediated currents in pyramidal neurons of the hippocampus. Tamapin TFA can be isolated from the Indian red scorpion (Mesobuthus tamulus) .

HY-P0256

Apamin 3 Publications Verification Apamine	Potassium Channel	Neurological Disease Inflammation/Immunology
Apamin (Apamine) is an 18 amino acid peptide neurotoxin found in apitoxin (bee venom), is known as a specifically selective blocker of Ca ²⁺-activated K ⁺ (SK) channels and exhibits anti-inflammatory and anti-fibrotic activity .

HY-P0256A

Apamin TFA 3 Publications Verification Apamine TFA	Potassium Channel	Neurological Disease Inflammation/Immunology
Apamin TFA (Apamine TFA) is an 18 amino acid peptide neurotoxin found in apitoxin (bee venom), is known as a specifically selective blocker of Ca ²⁺-activated K ⁺ (SK) channels and exhibits anti-inflammatory and anti-fibrotic activity .

HY-P5154

Tamapin	Potassium Channel	Neurological Disease
Tamapin is a venom peptide, targeting to small conductance Ca(2+)-activated K(+) (SK) channels. Tamapin is a selctive blocker of *SK2* (Potassium Channel). Tamapin inhibits SK channel-mediated currents in pyramidal neurons of the hippocampus. Tamapin can be isolated from the Indian red scorpion (Mesobuthus tamulus) .

HY-P1424

Lei-Dab7	Potassium Channel	Neurological Disease
Lei-Dab7 is a potent and selective SK2 (KCa2.2) channels blocker with a K_d of 3.8 nM. Lei-Dab7 shows low or no activity on KCa1, KCa3, Kv and Kir2.1 channels .

HY-P3064

Scyllatoxin Leiurotoxin I	Potassium Channel	Neurological Disease
Scyllatoxin (Leiurotoxin I) is a peptide toxin, it can be isolated from the venom of the scorpion (Leiurus quinquestriatus hebraeus). Scyllatoxin is a blocker of small-conductance K_Ca (SK) channel. Scyllatoxin enhances both norepinephrine (NE) and epinephrine (Epi) release in vivo .

HY-P1424A

Lei-Dab7 TFA	Potassium Channel
Lei-Dab7 TFA is a high affinity, selective K_Ca2.2 (SK2) channel blocker (K_d=3.8 nM). Lei-Dab7 TFA exhibits >200-fold selectivity for K_Ca2.2 over K_Ca2.1, K_Ca2.3, K_Ca3.1, K_v and Kir2.1. Lei-Dab7 TFA increases theta-burst responses and increases LTP in rat hippocampal slices in vitro.

Bicuculline 15+ Cited Publications (+)-Bicuculline; d-Bicuculline	Alkaloids Structural Classification Source classification Plants Isoquinoline Alkaloids Lamprocapnos spectabilis Papaveraceae	GABA Receptor
Bicuculline ((+)-Bicuculline) is A competing neurotransmitter GABA_A receptor antagonist (IC₅₀=2 μM). Bicuculline also blocks Ca ²⁺ activating potassium (SK) channels and subsequently blocks slow post-hyperpolarization (slow AHP). Bicuculline has anticonvulsant activity. Bicuculline can be used to induce seizures in mice .

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SK channels

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