CB1R Allosteric modulator 3, a novel analogs derived from the 2-phenylindole scaffold, is a CB1R positive allosteric modulator. CB1R Allosteric modulator 3 has potent inhibition of cAMP and β-Arrestin with EC50 values of 0.018 μM and 1.241 μM[1].
Alvimopan dihydrate(LY 246736; ADL 8-2698) is a peripherally acting mu-opioid receptor (PAM-OR, IC50= 1.7 nM) antagonist for accelerating gastrointestinal recovery after surgery. IC50 Value: 1.7 nM (Mu-type opioid receptor) [1]Target: mu-opioid receptorin vitro: The dissociation rate of alvimopan from the micro opioid receptor (t(1/2)=30--44 min) was comparable to that of the long acting partial agonist buprenorphine (t(1/2)=44 min), but was slower than those of the antagonists naloxone (t(1/2)=0.82 min) and N-methylnaltrexone (t(1/2)=0.46 min) [2].in vivo: Alvimopan did not significantly accelerate GI-3 compared with placebo [6 mg: hazard ratio (HR) = 1.20, p = 0.080; 12 mg: HR = 1.24, p = 0.038). However, after adjustment for significant covariates (sex/surgical duration), benefits were significant for both doses (6 mg: HR = 1.24, p = 0.037; 12 mg: HR = 1.26, p = 0.028). Alvimopan also significantly accelerated time to GI-2 (6 mg: HR = 1.37, p = 0.008; 12 mg: HR = 1.33, p = 0.018) and DCO (6 mg: HR = 1.31, p = 0.008; 12 mg: HR = 1.28, p = 0.015) [3]. Alvimopan (1 and 3 mg/kg) significantly reversed this delayed GI transit when administered 45 min prior to surgery. However, the effects of alvimopan were less pronounced when administered following surgery [4].Toxicity:The most common treatment-emergent adverse events across all treatment groups were nausea, vomiting, and hypotension; the incidence of nausea and vomiting was reduced by 53 percent in thealvimopan 12-mg group [5].Clinical trial: Intercostal Nerve Block With Liposome Bupivacaine in Subjects Undergoing Posterolateral Thoracotomy. Phase 3
α-Glycosidase-IN-1 (compound MZ7) is a potent α-GLY (α-Glycosidase) inhibitor, with an IC50 of 44.72 nM and a KI of 41.74 nM. α-Glycosidase-IN-1 also shows inhibition profile against human carbonic anhydrase isoenzymes I and II (hCA I and hCA II), and acetylcholinesterase (AChE), with IC50 values of 104.87, 100.04, and 654.87 nM, respectively. α-Glycosidase-IN-1 can be used for the research of many diseases such as diabetes, Alzheimer’s disease, heart failure, ulcer, and epilepsy[1].
Rilapladib is a selective Lipoprotein-Associated Phospholipase A2 (Lp-PLA2) inhibitor with an IC50 of 230 pM.
Cardamonin is a novel antagonist of hTRPA1 cation channel with an IC50 of 454 nM.
Perphenazine dihydrochloride is an orally active dopamine receptor and histamine-1 receptor antagonist, with Ki values of 0.56 nM (D2), 0.43 nM (D3), .6 nM (5-HT2A), respectively. Perphenazine dihydrochloride also binds to Alpha-1A adrenergic receptor. Perphenazine dihydrochloride inhibits cancer cell proliferation, and induces apoptosis. Perphenazine dihydrochloride can be used in the research of mental disease, cancer, inflammation[1][3][5].
Pancuronium Dibromide is a bis-quaternary steroid that is a competitive nicotinic antagonist.Target: nAChRPancuronium dibromide is a competitive AChR antagonist (IC50 = 5.5 nM) and acts as a skeletal muscle relaxant. Pancuronium dibromide interrupts neuromuscular transmission by competing with acetylcholine for receptor sites on the motor end-plate. Pancuronium dibromide is a non-depolarizing agent. Pancuronium is a typical non-depolarizing curare-mimetic muscle relaxant. It acts as a competitive acetylcholine antagonist on neuromuscular junctions, displacing acetylcholine (hence competitive) from its post-synaptic nicotinic acetylcholine receptors. It is (unlike suxamethonium) a non-depolarizing agent, which means that it causes no spontaneous depolarizations upon association with the nicotinic receptor in neuromuscular junction, thus producing no muscle fasciculations upon administration [1-3].
4-Ethynyl-L-phenylalanine is a selective, reversible, potent and competitive inhibitor of tryptophan hydroxylase (TPH). 4-Ethynyl-L-phenylalanine is a competitive inhibitor with regard to the substrate tryptophan, with a Ki of 32.6 μM. 4-Ethynyl-L-phenylalanine selectively and reversibly inhibits the biosynthesis of serotonin[1].
SB 271046 is a potent, selective and orally active 5-HT6 receptor antagonist with a pKi of 8.92-9.09. SB 271046 show >200-fold selective for the 5-HT6 receptor over other receptors, binding sites and ion channels. SB 271046 has anticonvulsant activity[1].
β-Amyloid (1-16) rat is a β-amyloid peptide (Abeta), a metal-binding domain fragment of amyloid. Three amino acid substitutions in β-Amyloid (1-16) rat that differ from humans render rats and mice less susceptible to AD-like neurodegeneration[1].
4'-Hydroxy diclofenac is an orally active metabolite of Diclofenac (HY-15036) by cytochrome P450 2C9 (CYP2C9). 4'-Hydroxy diclofenac has anti-inflammatory and analgesic properties[1][2].
PD 90780 is a non peptide antagonist of nerve growth factor (NGF) binding to the P75 NGF receptor, inhibits NGF-p75 NTR interaction with IC50s values of 23.1 µM and 1.8 µM in PC12 cells and PC12 nnr5 cells, respectively [1] .
Alvameline (Lu25-109) is a partial M1 agonist and M2/M3 antagonist.
RU 24969 hemisuccinate is a preferential 5-HT1B agonist, with a Ki of 0.38 nM, but also displays appreciable affinity for the 5-HT1A receptor (Ki=2.5 nM), and has low affinity for other receptor sites in the brain. RU 24969 hemisuccinate could decrease fluid consumption and increase forward locomotion[1].
Moracin P is a 2-arylbenzofuran isolated from the Mori Cortex Radicis. Moracin P exhibits potent in vitro inhibitory activity against hypoxia-inducible factor (HIF-1). Moracin P reduces oxygen-glucose deprivation (OGD)-induced reactive oxygen species (ROS) production. Moracin P has neuroprotective and anti-inflammatory effects[1][2][3].
WM-662 is a WDR5-MYC interaction inhibitor, with an IC50 of 18 μM. WM-662 has potential for the research of cancer, aging, and neurodegenerative disorders[1].
Echothiopate iodide is a potent hBChE (human butyrylcholinesterase) inhibitor. Echothiopate iodide is a long-acting anticholinesterase agent. Echothiopate iodide can be used for glaucoma research[1][2].
VIP (1-12), human, porcine, rat, ovine is a vasoactive intestinal peptide (VIP) fragment. VIP (1-12), human, porcine, rat, ovine is a ligand for the CD4 (T4)/human immunodeficiency virus receptor[1][2].
Phe-Met-Arg-Phe amide trifluoroacetate is an activator of K+ current, with ED50 of 23 nM in the peptidergic caudodorsal neurons.
Yohimbine is a potent and relatively nonselective alpha 2-adrenergicreceptor (AR) antagonist, with IC50 of 0.6 μM. IC50 value: 0.6 uM [1]Target: alpha 2-adrenergic receptorin vitro: Yohimbine inhibits alpha2-receptor antagonist with Ki of 1.05 nM, 1.19 nM, and 1.19 nM for α2A, α2B, α2C, respectively. Yohimbine also inhibits 5-HT1B with Ki of 19.9 nM. Yohimbine acts to block the lowering of cAMP by alpha-2 adrenoceptor agonists. yohimbine actually causes a pronounced lowering of tyrosinase activity. [3]in vivo: Yohimbine is an antagonist at alpha2-noradrenaline receptors with putative panicogenic effects in human subjects, was administered to Swiss-Webster mice at doses of 0.5, 1.0, and 2.0 mg/kg. Yohimbine potentiates active defensive responses to threatening stimuli in Swiss-Webster mice.[2]
R-(+)-Cotinine ((+)-Cotinine), a Nicotine metabolite, lacks significant activity across a wide range of pharmacological targets. R-(+)-Cotinine can enhance the Ach-evoked current in human α7 nAChRs[1].
Arginine vasopressin (AVP, also known as antidiuretic hormone (ADH)) is a 9 amino acid neuropeptide secreted by the posterior pituitary. AVP can regulate the biological effects of fluid balance, osmolality and cardiovascular through three separate G-protein coupled receptors (GPCRs), namely Avpr1a (V1a), Avpr1b (V1b) and Avpr2 (V2). AVP also have potentially important effects on centrally regulated metabolic processes[1].
SALMF amide 2, a neuropeptide S2 from the starfish Asterias rubens, is involved in the regulation of eversion of the cardiac stomach in starfish[1].
Tipepidine hydrochloride reversibly inhibits on dopamine (DA) D2 receptor-mediated GIRK currents (IDA(GIRK)) to activate VTA dopamine neuron, with an IC50 of 7.0 μM[1]. Tipepidine hydrochloride, a non-narcotic antitussive, exerts an antidepressant-like effect[2].
Sumatriptan (GR 43175) hydrochloride is an orally active 5-HT1 receptor agonist with Kis of 17 nM, 27 nM and 100 nM for 5-HT1D, 5-HT1B and 5-HT1A receptors, respectively. Sumatriptan hydrochloride can be used for migraine headache research[1][2].
Vanutide cridificar (ACC-001) is an aminoterminal Aβ1-7 peptide conjugate. Vanutide cridificar can be used for Alzheimer's disease (AD) research[1].
(±)-Levomepromazine is the racemate of Levomepromazine. Levomepromazine is an orally active and potent antipsychotic agent[1].
Angelic Acid is a substance found in the essential oil of Anthemis nobilis, and it exists in an ester form. Angelic acid aids in wound healing and exhibits sedative and psychotropic properties[1].
BMY 14802 is a sigma-1 receptor (σ1R) antagonist, as well as an agonist at serotonin (5-HT) 1A and adrenergic alpha-1 receptors. BMY 14802 inhibits abnormal involuntary movement (AIM) in rat Parkinson's disease (PD) model, with down-regulating the expression of AIM[1][2].
Arundic acid (ONO-2506) is an astrocyte-modulating agent, which delays the expansion of cerebral infarcts by modulating the activation of astrocytes through inhibition of S-100β synthesis. Arundic acid (ONO-2506) has been developed as a therapeutic agent for stroke and Alzheimer’s disease[1][2][3].