AZD-1305 is an antiarrhythmic agent and atrial selective sodium channel/potassium channel blocker, which can significantly prolongs action potential duration and reduces excitability, cause atrial selective ERP prolongation and acute termination of atrial fibrillation. AZD1305 can be used for atrial fibrillation research[1][2].
BBT is an enhancer of impaired glucose-stimulated insulin secretion (GSIS). BBT exhibits anti-hyperglycemia activity, and protects β-cells from cytokine- or streptozotocin (STZ)-induced cell death in type 2 diabetes models. BBT acts function via cAMP/PKA and long-lasting (L-type) voltage-dependent Ca2+ channel/CaMK2 pathway[1].
SR33805 is a potent Ca2+ channel antagonist, with EC50s of 4.1 nM and 33 nM in depolarized and polarized conditions, respectively. SR33805 blocks L-type but not T-type Ca2+ channels. SR33805 can be used for the research of acute or chronic failing hearts[1][2].
Brompheniramine ((±)-Brompheniramine) is a potent and orally active antihistamine of the alkylamine class. Brompheniramine is a selective histamine H1 receptor antagonist with a Kd of 6.06 nM. Brompheniramine can block the hERG channels, calcium channels, and sodium channels with IC50s of 0.90 μM, 16.12 μM and 21.26 μM, respectively. Brompheniramine has anticholinergic, antidepressant and anesthetic properties and can be used for allergic rhinitis research[1][2][3][4].
Ranolazine(RS-43285) is an antianginal agent with antiarrhythmic properties that achieves its effects via a novel mechanism of action (inhibition of the late phase of the inward sodium current), without affecting heart rate or blood pressure (BP). IC50 value:Target: sodium-dependent calcium channelRanolazine is currently approved for use in chronic angina. The basis for this use is likely related to inhibition of late sodium channels with resultant beneficial downstream effects. Randomized clinical trials have demonstrated an improvement in exercise capacity and reduction in angina episodes with ranolazine.
Levamlodipine ((S)-Amlodipine) is a powerful dihydropyridine calcium channel blocker, possessing vasodilation properties and used in the treatment of hypertension and angina[1].
(±)-Praeruptorin A is the di-esterified product of cis-khellactone (CKL) and the major active ingredient in Peucedani Radix which consists of the dried roots of Peucedanum praeruptorumDunn (Apiaceae). (±)-Praeruptorin A has been widely employed as one of the famous traditional Chinese medicines (TCMs) for the treatment of cough with thick sputum and dyspnea, nonproductive cough and upper respiratory infections for centuries in China. (±)-Praeruptorin A has dramatically therapeutic effects on hypertension mainly through acting as a Ca2+-influx blocker[1].
LOE 908 hydrochloride is a non-selective cation channel (NSCC) inhibitor[1].
Lercanidipine. (R)- is an enantiomer of antihypertensive drugs Lercanidipine. Lercanidipine acts by blocking L-type calcium channels, allowing relaxation and opening of blood vessels.
Azelnidipine(CS 905; Calblock) is a novel dihydropyridine derivative, a L-type calcium channel blocker, and an antihypertensive.IC50 value:Target: L-type calcium channelAcute administration of azelnidipine prevents a sudden drop of cardiac function after acute stress. Azelnidipine may have a protective role in inflammation associated with atherosclerosis.
L-Phenylalanine-13C9,d8,15N ((S)-2-Amino-3-phenylpropionic acid-13C9,d8,15N) is the deuterium, 13C-, and 15-labeled L-Phenylalanine. L-Phenylalanine ((S)-2-Amino-3-phenylpropionic acid) is an essential amino acid isolated from Escherichia coli. L-Phenylalanine is a α2δ subunit of voltage-dependent Ca+ channels antagonist with a Ki of 980 nM. L-phenylalanine is a competitive antagonist for the glycine- and glutamate-binding sites of N-methyl-D-aspartate receptors (NMDARs) (KB of 573 μM ) and non-NMDARs, respectively. L-Phenylalanine is widely used in the production of food flavors and pharmaceuticals[1][2][3][4].
Ser-Ala-alloresact is a sperm activating peptide (SAP). The peptides released from eggs of marine invertebrates play a central role in fertilization[1][2].
Nexopamil racemate is the racemate of Nexopamil. Nexopamil is a combined Ca2+/5-HT2 antagonist on thrombus formation in vivo and on platelet aggregation in vitro.
TDN345 is a Ca2+ antagonist, used for the treatment of vascular and senile dementia including Alzheimer's disease.
Semotiadil recemate fumarate is the recemate of Semotiadil fumarate. Semotiadil fumarate is a novel vasoselective Ca2+ channel antagonist.
Dronedarone D6 hydrochloride is the deuterium labeled Dronedarone. Dronedarone hydrochloride, a derivative of Amiodarone (HY-14187), is a class III antiarrhythmic agent for the study of atrial fibrillation (AF) and atrial flutter. Dronedarone hydrochloride is a potent blocker of multiple ion currents, including potassium current, sodium current, and L-type calcium current, and exhibits antiadrenergic effects by noncompetitive binding to β-adrenergic receptors. Dronedarone hydrochloride is a substrate for and a moderate inhibitor of CYP3A4[1][2][3][4].
N-Salicyloyltryptamine acts on voltage-dependent Na+, Ca2+, and K+ ion channels inhibitor. N-Salicyloyltryptamine inhibits K+ currents with an IC50 value of 34.6 μM (Ito). N-Salicyloyltryptamine also exhibits anticonvulsant, anti-inflammatory, analgesic, and vasorelaxation effect[1]-[5].
Dantrolene sodium is a inhibitor of calcium channel proteins, inhibiting the release of Ca2+ from the sarcoplasm. Dantrolene sodium is a skeletal muscle relaxant which acts by blocking muscle contraction beyond the neuromuscular junction.
Gomisin J is a small molecular weight lignan found in Schisandra chinensis and has been demonstrated to have vasodilatory activity[1]. Gomisin J suppresses lipid accumulation by regulating the expression of lipogenic and lipolytic enzymes and inflammatory molecules through activation of AMPK, LKB1 and Ca2+/calmodulin-dependent protein kinase II and inhibition of fetuin-A in HepG2 cells. gomisin J has potential benefits in treating nonalcoholic fatty liver disease[2].
Norfluoxetine hydrochloride is an active N-demethylated metabolite of Fluoxetine. Fluoxetine is a selective serotonin (5-HT) reuptake inhibitor that is metabolized to Norfluoxetine hydrochloride by cytochrome P450 (CYP) 2D6, CYP2C19, and CYP3A4. Norfluoxetine hydrochloride inhibits 5-HT uptake and inhibits CaV3.3 T current (IC50 = 5 μM). Norfluoxetine hydrochloride has anticonvulsant activity[1][2][3][4].
Cromolyn sodium is an antiallergic drug.Target: Calcium ChannelCromolyn sodium is a chromone complex that acts by inhibiting the release of chemical mediators from sensitized mast cells. It is used in the prophylactic treatment of both allergic and exercise-induced asthma, but does not affect an established asthmatic attack.Pretreatment of IIR mice with Cromolyn sodium prior to ischemia exhibited no changes of ET-1 levels, injury score and inflammation (P>0.05, PreCr vs. M groups). In conclusion, administration of Cromolyn sodium after reperfusion, but not prior to ischemia, attenuates IIRI by downregulating ET-1 and suppressing sustained MC activation [1]. cromolyn sodium has a role in the prevention of Chronic lung disease(CLD). Cromolyn sodium cannot be recommended for the prevention of CLD in preterm infants [2].
L-Phenylalanine-d5 is the deuterium labeled L-Phenylalanine. L-Phenylalanine ((S)-2-Amino-3-phenylpropionic acid) is an essential amino acid isolated from Escherichia coli. L-Phenylalanine is a α2δ subunit of voltage-dependent Ca+ channels antagonist with a Ki of 980 nM. L-phenylalanine is a competitive antagonist for the glycine- and glutamate-binding sites of N-methyl-D-aspartate receptors (NMDARs) (KB of 573 μM ) and non-NMDARs, respectively. L-Phenylalanine is widely used in the production of food flavors and pharmaceuticals[1][2][3][4].
HSK16149 is a novel ligand of voltage-gated calcium channel (VGCC) α 2 δ subunit.
Praeruptorin C is a main bioactive constituent of Peucedanum praeruptorum (also known as Bai-Hua Qian Hu). Praeruptorin C is a calcium antagonist with pD2′ value of 5.7[1].
Gabapentin (Neurontin) is a pharmaceutical drug, specifically a GABA analog. It was originally developed to treat epilepsy, and currently is also used to relieve neuropathic pain.IC50 Value: 140 nM (α2δ subunit of calcium channel) [1]Target: Calcium Channelin vitro: Gabapentin, baclofen and CGP 44532 all reduced the electrically stimulated release of [3H]glutamic acid (IC50=20 microM, 0.8 microM and 2 microM, respectively). Gabapentin was without effect on the release of [3H]GABA, whilst baclofen (IC50=8 microM) and CGP 44532 (IC50=1 microM) inhibited [3H]GABA release [2]. A large inhibition of calcium currents by gabapentin was observed in pyramidal neocortical cells (up to 34%). Significantly, the gabapentin-mediated inhibition of calcium currents saturated at particularly low concentrations (around 10 microM), at least in neocortical neurons (IC50 about 4 microM) [3].in vivo: Gabapentin produced an anti-allodynic effect over the 7-day period, reducing the expression of pro-inflammatory cytokines but increasing the expression of IL-10 (TNF-α, 316.0 ± 69.7 pg/mL vs 88.8 ± 24.4 pg/mL; IL-1β, 1,212.9 ± 104.5 vs 577.4 ± 97.1 pg/mL; IL-6, 254.0 ± 64.8 pg/mL vs 125.5 ± 44.1 pg/mL; IL-10, 532.1 ± 78.7 pg/mL vs 918.9 ± 63.1 pg/mL). The suppressive effect of gabapentin on pro-inflammatory cytokine expression was partially blocked by the anti-IL-10 antibody [4].Toxicity: No new safety signals or adverse event trends relating to GEn exposure were identified [5].Clinical trial: N/A
Fasudil (HA-1077; AT877) dihydrochloride is a nonspecific RhoA/ROCK inhibitor and also has inhibitory effect on protein kinases, with an Ki of 0.33 μM for ROCK1, IC50s of 0.158 μM and 4.58 μM, 12.30 μM, 1.650 μM for ROCK2 and PKA, PKC, PKG, respectively. Fasudil dihydrochloride is also a potent Ca2+ channel antagonist and vasodilator[1][2][3].
(+)-Kavain, a main kavalactone extracted from Piper methysticum, has anticonvulsive properties, attenuating vascular smooth muscle contraction through interactions with voltage-dependent Na+ and Ca2+ channels[1]. (+)-Kavain is shown to bind at the α4β2δ GABAA receptor and potentiate GABA efficacy[2]. (+)-Kavain is used as a treatment for inflammatory diseases, its anti-inflammatory action has been widely studied[4].
Budiodarone (ATI-2042) is an analogue of Amiodarone (HY-14187) with a half-life of 7 h. Budiodarone inhibits sodium, potassium, and calcium ion channels. Budiodarone is an antiarrhythmic agent and can be used for the research of atrial fibrillation[1].
Barnidipine (Mepirodipine) is an L-type calcium antagonist (CaA) with high affinity for [3H] initrendipine binding sites (Ki=0.21 nmol/l), has selective action against CaA receptors[1].Barnidipine (Mepirodipine) is an antihypertensive drug and acts by the reduction of peripheral vascular resistance secondary to its vasodilatory action[2].
Topiramate (McN 4853) lithium is a broad-spectrum antiepileptic agent. Topiramate lithium is a GluR5 receptor antagonist. Topiramate produces its antiepileptic effects through enhancement of GABAergic activity, inhibition of kainate/AMPA receptors, inhibition of voltage-sensitive sodium and calcium channels, increases in potassium conductance, and inhibition of carbonic anhydrase[1][2][3].