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| Chemical and physical data | |
| Formula | C24H19N3O5S |
| Molar mass | 461.49 g·mol−1 |
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ZINC17988990 is a drug which acts as a potent and selective inhibitor for the TRPV5 calcium channel, with an IC50 of 177 nM and high selectivity for TRPV5 over TRPV6 and the other subtypes of TRPV. It is the first selective inhibitor to be developed for TRPV5, and may be useful for modulating calcium reabsorption in the kidneys. [1]
The distal convoluted tubule (DCT) is a portion of kidney nephron between the loop of Henle and the collecting tubule.
Amlodipine, sold under the brand name Norvasc among others, is a calcium channel blocker medication used to treat high blood pressure, coronary artery disease (CAD) and variant angina. It is taken orally.
A calcium channel is an ion channel which shows selective permeability to calcium ions. It is sometimes synonymous with voltage-gated calcium channel, although there are also ligand-gated calcium channels.
Chelerythrine is a benzophenanthridine alkaloid present in the plant Chelidonium majus. It is a potent, selective, and cell-permeable protein kinase C inhibitor in vitro. And an efficacious antagonist of G-protein-coupled CB1 receptors. This molecule also exhibits anticancer qualities and it has served as a base for many potential novel drugs against cancer. Structurally, this molecule has two distinct conformations, one being a positively charged iminium form, and the other being an uncharged form, a pseudo-base.
TRPV6 is a membrane calcium (Ca2+) channel protein which is particularly involved in the first step in Ca2+absorption in the intestine.
Nisoldipine is a pharmaceutical drug used for the treatment of chronic angina pectoris and hypertension. It is a calcium channel blocker of the dihydropyridine class. It is sold in the United States under the proprietary name Sular. Nisoldipine has tropism for cardiac blood vessels.
The inorganic dye ammoniated ruthenium oxychloride, also known as ruthenium red, is used in histology to stain aldehyde fixed mucopolysaccharides.
Taicatoxin (TCX) is a snake toxin that blocks voltage-dependent L-type calcium channels and small conductance Ca2+-activated K+ channels. The name taicatoxin (TAIpan + CAlcium + TOXIN) is derived from its natural source, the taipan snake, the site of its action, calcium channels, and from its function as a toxin. Taicatoxin was isolated from the venom of Australian taipan snake, Oxyuranus scutellatus scutellatus. TCX is a secreted protein, produced in the venom gland of the snake.
Phosphodiesterase 1, PDE1, EC 3.1.4.1, systematic name oligonucleotide 5′-nucleotidohydrolase) is a phosphodiesterase enzyme also known as calcium- and calmodulin-dependent phosphodiesterase. It is one of the 11 families of phosphodiesterase (PDE1-PDE11). Phosphodiesterase 1 has three subtypes, PDE1A, PDE1B and PDE1C which divide further into various isoforms. The various isoforms exhibit different affinities for cAMP and cGMP.
T-type calcium channels are low voltage activated calcium channels that become inactivated during cell membrane hyperpolarization but then open to depolarization. The entry of calcium into various cells has many different physiological responses associated with it. Within cardiac muscle cell and smooth muscle cells voltage-gated calcium channel activation initiates contraction directly by allowing the cytosolic concentration to increase. Not only are T-type calcium channels known to be present within cardiac and smooth muscle, but they also are present in many neuronal cells within the central nervous system. Different experimental studies within the 1970s allowed for the distinction of T-type calcium channels from the already well-known L-type calcium channels. The new T-type channels were much different from the L-type calcium channels due to their ability to be activated by more negative membrane potentials, had small single channel conductance, and also were unresponsive to calcium antagonist drugs that were present. These distinct calcium channels are generally located within the brain, peripheral nervous system, heart, smooth muscle, bone, and endocrine system.
The P-type calcium channel is a type of voltage-dependent calcium channel. Similar to many other high-voltage-gated calcium channels, the α1 subunit determines most of the channel's properties. The 'P' signifies cerebellar Purkinje cells, referring to the channel's initial site of discovery. P-type calcium channels play a similar role to the N-type calcium channel in neurotransmitter release at the presynaptic terminal and in neuronal integration in many neuronal types.
A PDE3 inhibitor is a drug which inhibits the action of the phosphodiesterase enzyme PDE3. They are used for the therapy of acute heart failure and cardiogenic shock.
Transient receptor potential cation channel subfamily M member 3 is a protein that in humans is encoded by the TRPM3 gene.
Transient receptor potential cation channel subfamily V member 5 is a calcium channel protein that in humans is encoded by the TRPV5 gene.
GYKI 52895 is a drug which is a 2,3-benzodiazepine derivative that also shares the 3,4-methylenedioxyamphetamine pharmacophore. Unlike other similar drugs, GYKI 52895 is a selective dopamine reuptake inhibitor (DARI), which appears to have an atypical mode of action compared to other DARIs. Its DRI activity is shared by numerous addictive drugs including amphetamine and its derivatives, cocaine, and methylphenidate and its derivatives. However, dopaminergic drugs are also prone to producing emetic effects such as in the case of apomorphine.
Pimobendan is a veterinary medication. It is a calcium sensitizer and a selective inhibitor of phosphodiesterase 3 (PDE3) with positive inotropic and vasodilator effects.
Otilonium bromide, sold under the trade name Spasmomen among others, is an antimuscarinic and calcium channel blocker used to relieve spasmodic pain of the gut, especially in irritable bowel syndrome. This means it works in the gut themselves, by relaxing the small muscles of the intestines, which results in relieving cramps and therefore reduces pain.
TROX-1 is a drug which acts as a potent blocker of the Cav2 type calcium channels. It was developed as a potential analgesic after the discovery that the selective Cav2.2 blocker ziconotide is an active analgesic with similar efficacy to strong opioid drugs. Unlike ziconotide, TROX-1 is not so selective, and also blocks the Cav2.1 and Cav2.3 calcium channel subtypes, but it has the great advantage of being orally active, whereas ziconotide must be administered intrathecally, by injection into the spinal fluid. In animal studies of TROX-1, analgesic effects were observed with similar efficacy to NSAIDs such as naproxen or diclofenac, and anti-allodynia effects equivalent to pregabalin or duloxetine.
Lomerizine (INN) is a diphenylpiperazine class L-type and T-type calcium channel blocker. This drug is currently used clinically for the treatment of migraines, while also being used experimentally for the treatment of glaucoma and optic nerve injury.
SN-2 is a chemical compound which acts as an "agonist" for the TRPML3 calcium channel, with high selectivity for TRPML3 and no significant activity at the related TRPML1 and TRPML2 channels. It has demonstrated antiviral activity in an in vitro model.
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