CHEMBL333994 is a potent and orally effective Cholecystokinin A (CCK-A) antagonist, with an IC50 of 0.67 nM.
Gastrin/CCK antagonist 1 is an antagonist of gastrin/CCK, used for the research of gastrointestinal disorders.
TD-0212 (compound 35) is an orally active dual pharmacology angiotensin II type 1 receptor (AT1) antagonist and neprilysin (NEP) inhibitor, with a pKi of 8.9 for AT1 and a pIC50 of 9.2 for NEP[1].
Rat CGRP-(8-37) (VTHRLAGLLSRSGGVVKDNFVPTNVGSEAF) is a highly selective CGRP receptor antagonist.
LY310762 is a 5-HT1D receptor antagonist with Ki of 249 nM, having a weaker affinity for 5-HT1B receptor.IC50 value: 249 nM (Ki) [1]Target: 5-HT1D in vitro: LY310762 has a higher affinity for the guinea pig 5-HT1D receptor than for the 5-HT1B receptor. LY310762 potentiates the potassium-induced [3H]5-HT outflow from guinea pig cortical slices with an EC50 of 30 nM. The maximum potentiation of the potassium-induced outflow which is obtained with LY310762 is about 40% [1]. LY310762 blocks the decreased EPSC amplitude induced by Sumatriptan [2]. in vivo: Systemic administration of LY310762 (10 mg/kg i.p.) produces a further significant enhancement in the 5-HT response to fluoxetine (20 mg/kg i.p.) when compared to animals receiving a control vehicle injection. In fluoxetine treated animals, levels of 5-HT increases from 312±43% to a maximum of 683% after LY310762. In control animals, levels of 5-HT remains unchanged (250%). LY310762 administered alone also significantly increases basal levels of 5-HT above vehicle controls, reaching a maximum of 258% compared to the pre-injection control [1].
Enprofylline acts as a selective and competitive A2B receptor antagonist with the Ki of 7 μM. Enprofylline also acts as a phosphodiesterase inhibitor. Enprofylline can be used for the research of asthma, chronic obstructive pulmonary disease[1][2][3].
Onitin is a natural product, that can be isolated from Onychium siliculosum. Onitin is also a non-competitive antagonist of histamine. Onitin shows activity in blocking the peristaltic reflex of the guinea-pig ileum, in inhibition of the responses of guinea-pig ileum to histamine and of inhibition of the responses of guinea-pig tracheal muscle to histamine[1].
Carbetocin acetate, an oxytocin (OT) analogue, is an oxytocin receptor agonist with a Ki of 7.1 nM. Carbetocin acetate has high affinity to chimeric N-terminus (E1) of the oxytocin receptor (Ki=1.17 μM). Carbetocin acetate has the potential for postpartum hemorrhage research. Carbetocin acetate can crosse the blood-brain barrier and produces antidepressant-like activity via activation of oxytocin receptors in the CNS[1][2][3].
ST1936 oxalate is a selective, nanomolar affinity 5-HT6 receptor agonist with Ki values of 13 nM, 168 nM and 245 nM for human 5-HT6, 5-HT7 and 5-HT2B receptors, respectively. ST1936 oxalate also shows moderate affinity (Ki of 300 nM) for human α2 adrenergic receptor[1].
LUNA18 is an orally active KRAS inhibitor with an IC50 of ＜2 nM against KRASG12D-SOS. LUNA18 can be used for the research of cancer[1].
KRAS inhibitor-15 (compound 3-19) is a potent KRAS G12C inhibitor with an IC50 of 0.954 µM. KRAS inhibitor-15 shows p-ERK inhibition activities with IC50s of 2.03, >33.3 µM in MIA PaCA-2, A549 cells, respectively. KRAS inhibitor-15 has the potential for the research of pancreatic, colorectal, and lung cancers[1].
Oxyfedrine, a vasodilator, is an orally active β-adrenoreceptor agonist. Oxyfedrine decreases the tonicity of coronary vessels. Oxyfedrine can be used in the research of cardiovascular disease[1][2].
PHCCC(4Me) (THCCC), a PHCCC analog, is a dual mGluR2 (IC50 of 1.5 μM) negative allosteric modulator and mGluR3 (EC50 of 8.9 μM) positive allosteric modulator[1].
[D-Trp7,9,10]-Substance P is the substance P analog that inhibits activation of Gq/11 by M1 muscarinic ACh receptors. [D-Trp7,9,10]-Substance P does not inhibit Gi/o activation by M2 ACh receptors.
RLH-033 is a potent and selective ligand for the sigma 1 recognition site. RLH-033 has high affinity for sigma 1 sites labeled by [3H](+)-pentazocine with a Ki of 50 pM[1].
Neurokinin antagonist 1 is a Neurokinin antagonist extracted from patent WO1998045262A1.
GR103545 is a potent and selective agonist of the κ-opioid receptor (κ-OR). 11GR103545 is a radiotracer for imaging κ-OR in vivo[1][2].
Naftidrofuryl is a drug used in the management of peripheral and cerebral vascular disorders as a vasodilator, enhance cellular oxidative capacity, and may also be a 5-HT2 receptor antagonist.Target: 5-HT2 receptorNaftidrofuryl may be effective for relieving the pain of muscle cramps.[1]Naftidrofuryl oxalate is the only vasoactive drug for peripheral arterial disease (PAD) which is likely to be cost-effective.[2]Naftidrofuryl oxalate is ranked first for both maximum walking distance (MWD) and pain-free walking distance (PFWD) (probability of 0·947 and 0·987, respectively, of being the best treatment) followed by cilostazol and pentoxifylline. Naftidrofuryl oxalate is effective treatments for claudication, Naftidrofuryl oxalate is likely to be the most effective, with minimal serious adverse events.[3]
[Sar9] Substance P is a potent and selective neurokinin (NK)-1 receptor agonist[1].
MK-0557 is a highly selective, orally available neuropeptide Y5 receptor antagonist with a Ki of 1.6 nM.
Pimavanserin is a selective inverse agonist of the 5-HT2A receptor with pIC50 and pKd of 8.73 and 9.3, respectively.
Acreozast (TYB-2285) is a histamine release inhibitor. Acreozast inhibits the histamine release primed with IL-3. Acreozast might regulate allergic inflammation in vivo by the suppression of mediator release primed with IL-3[1].
Sigma-2 receptor antagonist 1 is a sigma-2 (σ-2) receptor antagonist.
Naminterol is a phenethanolamine derivative, is a β2 adrenoceptor agonist with bronchodilatory properties. Naminterol is used for treatment of asthma.
Atrasentan (hydrochloride) is an endothelin receptor antagonist with IC50 of 0.0551 nM for ETA.
β2AR/M-receptor agonist-1 (example 131) is a muscarinic antagonist and β2 adrenoceptor agonist (MABA). β2AR/M-receptor agonist-1 shows potency to β2 adrenoceptor with an EC50 value of 9.2 nM. β2AR/M-receptor agonist-1 also has potency to muscarinic receptor with a Ki value of 30.2 nM. β2AR/M-receptor agonist-1 shows MABA potency with an EC50 value of 4.0 nM[1].
Tandospirone(SM-3997) is a potent and selective 5-HT1A receptor partial agonist (Ki = 27 nM) that displays selectivity over SR-2, SR-1C, α1, α2, D1 and D2 receptors (Ki values ranging from 1300-41000 nM). IC50 Value: 27±5 nM(Ki) [1]Target: 5-HT1Ain vitro: Tandospirone is most potent at the 5-HT1A receptor, displaying a Ki value of 27 +/- 5 nM. The agent is approximately two to three orders of magnitude less potent at 5-HT2, 5-HT1C, alpha 1-adrenergic, alpha 2-adrenergic, and dopamine D1 and D2 receptors (Ki values ranging from 1300 to 41000 nM). Tandospirone is essentially inactive at 5-HT1B receptors; 5-HT uptake sites; beta-adrenergic, muscarinic cholinergic, and benzodiazepine receptors [1]. 3H-SM-3997 bound rapidly, reversibly and in a saturable manner with high affinity to rat brain hippocampal membranes (Kd = 9.4 nM, Bmax = 213 fmol/mg protein) [2]. in vivo: Chronic treatment with tandospirone, at 0.2 and 1.0mg/kg/day, but not 2.0mg/kg/day, attenuated footshock stress-induced eLAC elevation in the mPFC [3]. Rats were acutely administered tandospirone (0, 0.1, and 1 mg/kg, i.p.). Tandospirone decreased the number of premature responses, an index of impulsive action, in a dose-dependent manner [4].Toxicity: It is not believed to be addictive but it is known to produce mild withdrawal effects (e.g. anorexia) after abrupt discontinuation.
Sortilin antagonist 1 (compound 44) is a sortilin antagonist with an IC50 value of 20 nM for inhibiting Neurotensin (NTS) binds to sortilin. Neurotensin is a sortilin ligand. Sortilin antagonist 1 can be used for the research of neurological disease[1].
MEN11467 is a selective and orally- effective peptidomimetic tachykinin NK1 receptor antagonist.
Grapiprant is a selective EP4 receptor antagonist whose physiological ligand is prostaglandin E2 (PGE2).Target: prostaglandin receptorin vitro: Grapiprant is a novel pharmacologically active ingredient, acts as a selective EP4 receptor antagonist whose physiological ligand is prostaglandin E2 (PGE2). [1]in vivo: Grapiprant is currently under development for use in humans and dogs for the control of pain and inflammation associated with osteoarthritis. [1] Results suggested the safety of long-term oral administration of grapiprant to dogs. Efficacy of grapiprant in the treatment of dogs with osteoarthritis needs to be evaluated in other studies. [2]