Proteina G/GPCR

<p>BIBO3304 (diTFA), a selective neuropeptide Y (NPY) Y1 receptor antagonist, demonstrates oral efficacy. It exhibits high affinity for Y1 receptors in both humans and rats, with IC50 values of 0.38 nM and 0.72 nM, respectively. Additionally, BIBO3304 (diTFA) enhances bone-tendon healing via the Wnt/β-catenin signaling pathway [1] [2] [3].</p>

<p>GAT564, an allosteric CB1R modulator, shows EC50s of 87 nM (cAMP) &amp; 320 nM (β-arrestin2) and lowers IOP effectively in glaucoma mice.</p>

<p>Bometolol Hydrochloride is a beta-adrenergic blocking compound used for the treatment of cardiovascular disease.</p>

<p>Compound 10 is a potent dual A1/A3 AR antagonist, with Ki values of 37.6 nM (hA1), 25.4 nM (hA3), and 1.47 nM (rA1), studied in renal, lung, and Alzheimer's.</p>

<p>DM-4111, one of the primary monohydroxy metabolites of Tolvaptan, is an effective vasopressin V2 receptor (vasopressin V2 receptor) inhibitor. By inhibiting water reabsorption in renal tubules, it facilitates the excretion of electrolyte-free water. DM-4111 holds potential for research in cardiovascular diseases.</p>

<p>Compound 6f is a potent, selective 5-HT1A receptor blocker (Ki: 35 nM), useful in CNS disorder research.</p>

<p>Selective oral S1P1 agonist 5 inhibits lymphocyte drainage, potential for MS research.</p>

<p>Cloprostenol is a synthetic prostaglandin and PGF2α analogue used in animals to terminate pregnancy and induce corpus luteum dissolution.</p>

<p>PD 140376: Selective CCK-B/gastrin receptor antagonist radioligand for guinea pig stomach &amp; brain.</p>

<p>CHF-6366: M3 antagonist &amp; β2 agonist (pKi 10.4/11.4), mild Ca channel blocker, used in COPD study.</p>

<p>LY 245769 is an inhibitor of leukotriene E4 (LTE4).</p>

<p>APJ receptor agonist 3 is a highly effective and orally administerable agonist of the APJ receptor, demonstrating a potent EC50 value of 0.027 nM.</p>

<p>IMP-1575 is a highly effective inhibitor of hedgehog acyltransferase (HHAT), with an IC50 of 0.75 μM when inhibiting purified HHAT. IMP-1575 has potential applications in cancer research.</p>

<p>RS 12254 is a dopamine agonist and antihypertensive agent.</p>

<p>BIIE-0246: A potent, non-peptide Y2 receptor antagonist; &gt;650-fold more selective than Y1, Y4, Y5.</p>

<p>Aclidinium, a dual-action compound, serves as a long-acting muscarinic antagonist and a β2-adrenoceptor (β2-AR) agonist, exhibiting bronchodilator properties. It effectively reduces lung hyperinflation, enhances lung function, and prolongs exercise endurance time. This compound is commonly utilized in studies focusing on chronic obstructive pulmonary disease (COPD).</p>

<p>NMDAR antagonist 5 (Compound A17) is a multi-target antagonist that acts on NMDAR and monoamine transporters (SERT, DAT, and NET). It demonstrates strong NMDAR antagonistic efficacy (IC50= 0.3 μM) and effective activity on monoamine transporters (SERT IC50= 1.1 μM, DAT IC50= 0.7 μM, NET IC50= 2.7 μM). NMDAR antagonist 5 exhibits high safety with low toxicity (hepatic and renal toxicity IC50&gt; 100 μM; cardiac toxicity IC50= 24.5 μM). It has antidepressant properties and is useful for depression research.</p>

<p>SSTR5 antagonist 2 hydrochloride: potent, oral SSTR5 blocker with potential in type 2 diabetes research.</p>

<p>Befiradol HCl (NLX-112) is a selective 5-HT1A receptor agonist with anxiolytic effects and prevents ATXN3 aggregation.</p>

<p>L-657926 is a stereoselective antagonist of the thromboxane A2 (TxA2) receptor, composed of (-)-9-chlorobenzyl-6-fluoro-1,2,3,4-tetrahydrocarbazol-1-yl acetic acid and (+)-9-chlorobenzyl-6-fluoro-1,2,3,4-tetrahydrocarbazol-1-yl acetic acid. The IC50 values for the (-) and (+) configurations against TxA2 are 0.27 nM and 124 nM, respectively.</p>

<p>5-HT2 receptor antagonist</p>

<p>SAR-150640, a selective β3-adrenergic receptor agonist, prevents an increase in MMP activity and production observed after LPS stimulation or in cases of chorioamnionitis.</p>

<p>SORT1-IN-5 (compound 3) is a SORT1 inhibitor capable of crossing the blood-brain barrier. The MSOH salt form of SORT1-IN-5 exhibits a certain degree of oral bioavailability.</p>

<p>BMS-986104 is an effective selective modulator of the S1P1 receptor. It demonstrates efficacy in the mouse EAE model, comparable to that of FTY720. Furthermore, BMS-986104 shows promising remyelination properties in three-dimensional brain cell cultures subjected to lysophosphatidylcholine (LPC)-induced demyelination.</p>

<p>MrgprX2 antagonist-7 is an anti-allergic agent with significant anti-allergic effects and inhibits mast cell degranulation.</p>

<p>PD 135158 is a CCK2 receptor antagonist.</p>

<p>Fosrolapitant is an antagonist of the neurokinin 1 (NK1) receptor.</p>

<p>YM-31636 (free base) is an orally active, potent, and selective agonist of the 5-HT3 receptor with a pKi value of 9.67. This compound induces contraction in isolated guinea pig distal colon and provokes tachycardia in isolated guinea pig right atrium, demonstrating a relative intrinsic activity of about 0.23. YM-31636 (free base) holds potential for research in constipation management.</p>

<p>(S)-Butaprost (free acid) is a potent and highly selective EP2 receptor agonist[1].</p>

<p>Alixorexton is an agonist of the orexin-2 receptor (orexin-2 receptor) and is utilized in obesity research.</p>

<p>WIN 62577 is a species-selective tachykinin NK1 receptor antagonist and also serves as an allosteric enhancer with micromolar potency at M3 receptors. Additionally, WIN 62577 demonstrates potent antiviral activity against SARS-CoV-2.</p>

<p>Y1 receptor antagonist 1 is an antagonist of neuropeptide Y1 receptor.</p>

<p>SB 258741 hydrochloride is a potent antagonist of the 5-HT 7 receptor, designed specifically for studying schizophrenia [1].</p>

<p>UNC10099984A (Compound 6) is a functionally selective ligand for the dopamine D2 receptor, exhibiting a Ki value of 4.6 nM and an EC50 of 6.2 nM for β-arrestin. This compound is useful for research into central nervous system diseases related to the D2 receptor.</p>

<p>SGLT1/2-IN-1 is a dual SGLT1/SGLT2 inhibitor.</p>

<p>Enprostil: synthetic PGE2 analog, reduces gastric acid, protects mucosa, lowers post-meal gastrin, treats ulcers effectively and safely.</p>

<p>Elsovaptan is an antagonist of the vasopressin receptor and is applicable for research in Alzheimer's disease.</p>

<p>RU 52583 is an alpha 2-adrenergic receptor antagonist.</p>

<p>Dopamine D3 receptor antagonist-2 is a dopamine D3 receptor selective (Ki=2.16 nM) or multi-targeting dual ligand that shows potential effects in CNS disorders.</p>

<p>AMG-369 (AMG 247) is an S1P1/S1P5 dual agonist that delays the development of experimental autoimmune encephalomyelitis in rats.</p>

<p>P2Y2 and P2Y4 receptor agonist</p>

<p>PAR4 antagonist3 (Compound 36) is a selective antagonist of protease-activated receptor 4 (PAR4). It exhibits antiplatelet activity with an IC50 of 26.1 nM and enhances metabolic stability in human liver microsomes, with a half-life (T1/2) of 97.6 minutes.</p>

<p>Pentacosafluorotridecanoic Acid (PFTrDA) is a perfluoroalkyl substance (PFAS) that exhibits various biological impacts across different species. In zebrafish embryos, exposure to PFTrDA induces yolk sac edema and increases mRNA expression of thyroid hormone synthesis genes, including tshβ, at concentrations of 0.1 and 0.3 mg/L. At a dosage of 10 mg/kg, PFTrDA reduces serum testosterone and luteinizing hormone levels, as well as palmitic acid, linoleic acid, and oleic acid levels in the testicular interstitial cells of late adolescent rats. In humans, maternal plasma levels of PFTrDA during pregnancy are positively correlated with the development of eczema in female infants (but not male infants), and PFTrDA levels are higher in the livers of cancerous humans compared to non-cancerous ones. Additionally, PFTrDA is found in marine mammals.</p>

<p>L-796778 acetate is a selective sst3 receptor agonist. In CHO-K1 cells expressing hsst3 receptors, it acts as a partial agonist that inhibits Forskolin-induced cAMP production, with an IC50 value of 18 nM. Additionally, L-796778 acetate exhibits anticonvulsant properties.</p>

<p>Dinoxyline is a potent dopamine receptor agonist, with dissociation constants (Ki values) for D1, D2, D3, and D4 receptors being 7 nM, 6 nM, 5 nM, and 43 nM, respectively. It is utilized in neuroscience research.</p>

<p>Compound 21a: Oral GnRH-R antagonist, IC50=0.57 nM, potent against prostate cancer/prevents LH surges.</p>

<p>HU-308, a synthetic cannabinoid analogue, is a highly selective agonist of the CB2 receptor. It demonstrates an affinity for the CB2 receptor that is over 440 times greater than its affinity for the CB1 receptor, which are predominantly found in immune cells. This compound plays a crucial role in modulating the immunosuppressive effects of the endocannabinoid system (ECS). Additionally, HU-308 possesses anti-inflammatory and neuroprotective properties, and it regulates the function of microglia. Its potential applications include research into neuroinflammation and retinal diseases.</p>

<p>KF26777 is a potent and selective antagonist of adenosine A3 receptor.</p>

<p>M1069 is an oral A2A/A2B receptor antagonist, 100x more selective over A1/A3, with antitumor properties by blocking adenosine's immunosuppressive effects.</p>

<p>MRT-92 is an antagonist of Smoothened (Smo) with anti-cancer activity, featuring a binding affinity (Ki) of 0.7 nM. It inhibits the Hedgehog signaling pathway by obstructing the overlapping binding sites within the transmembrane domain of the Smoothened receptor and suppresses the proliferation of cerebellar granule cells in rodents (IC50=0.4 nM). MRT-92 is utilized for research into cerebellar gliomas.</p>

<p>Methacycline, a tetracycline antibiotic, inhibits bacterial protein synthesis and effectively suppresses epithelial-mesenchymal transition (EMT). It blocks EMT in vitro and inhibits fibrogenesis in vivo without directly affecting the TGF-β1Smad signaling pathway. As an antimicrobial agent, Methacycline holds potential for research in pulmonary fibrosis.</p>

<p>CVN766 is an orally active orexin 1 receptor antagonist with blood-brain permeability, demonstrating IC50 values of 8 nM for OX1R and &gt;10 μM for OX2R. CVN766 can be used to study schizophrenia [1].</p>

<p>Tebideutorexant, an orexin-1 receptor antagonist, shows anti-panic effects in rodents and humans, providing a tool for stress response and psychiatric research.</p>

<p>Mrgx2 antagonist-3 (Compound B-40) is a highly selective antagonist of the MrgX2 receptor, with an IC50 range of 0.042-2.5 nM. It blocks downstream G protein signaling and β-arrestin recruitment, inhibiting Mrgx2 receptor-mediated calcium influx and cell degranulation. Mrgx2 antagonist-3 shows potential for research in inflammation-associated diseases and pruritus, such as chronic urticaria and allergic asthma.</p>

<p>GRK6-IN-5 is an inhibitor of the GRK6 polypeptide, with an IC50 of 4.48 μM. GRK6-IN-5 is utilized in research focused on hematological malignancies, inflammatory diseases, and autoimmune disorders.</p>

<p>MRGPRX2 modulator-1 (example 17), a modulator of the mas-related G-protein receptor X2 (MRGPRX2), is employed in studies focused on inflammation, pain, and autoimmune disorders [1].</p>

<p>L-654284 is an α2-adrenergic receptor antagonist characterized by its notable selectivity. It competes with 3H-clonidine and 3H-rauwolscine for binding in vitro, exhibiting Ki values of 0.8 nM and 1.1 nM, respectively. L-654284 effectively blocks the pre-ejaculatory effects of clonidine in isolated rat vas deferens, with a pA2 value of 9.1. The compound demonstrates significant selectivity for α2 over α1 adrenergic receptors, with a Ki value of 110 nM against 3H-prazosin binding. In vivo, L-654284 significantly increases the turnover of norepinephrine in the rat cerebral cortex, indicating its activity in blocking α2-adrenergic receptors within the central nervous system.</p>

<p>Aeruginosin 98-B, a protease inhibitor, effectively inhibits trypsin, plasmin, and thrombin with IC50 values of 0.6, 7.0, and 10.0 μg/mL, respectively.</p>

<p>Compound 13 is a PAR-1 antagonist with a 3 nM IC50, useful for thrombosis and heart disease research.</p>

<p>OP-2507, a prostacyclin agonist, is used potentially for the treatment of hepatic insufficiency and hypertension.</p>

<p>Butopamine hydrochloride is an orally active inotropic compound that is more effective at increasing heart rate compared to Dobutamine.</p>

<p>FR-145715 is a histamine H2 receptor antagonist characterized by its specific anti-Helicobacter pylori activity. This compound is utilized in the study of gastric lesions.</p>

<p>Pareptide monohydrochloride is a metabolically stable analog of melatonin inhibitor (MIF).</p>

<p>MK-0812 is a dual antagonist of the CCR2 and CCR5 receptors that can alleviate adipose inflammation in ob/ob mice.</p>

<p>AChE/BChE-IN-21 is an antagonist of the histamine H3 receptor, a calcium channel blocker, and an acetylcholinesterase inhibitor. It exhibits neuroprotective activities against H2O2 and Aβ1-40, and can restore cognitive functions in AD mice.</p>

<p>DCB-3503, a tylophorine analog, may treat cancer and suppress immunity by blocking protein synthesis and modulating HSC70's ATPase activity.</p>

<p>Cendifensine functions as a monoamine reuptake inhibitor, targeting the serotonin transporter (SERT), norepinephrine transporter (NET), and dopamine transporter (DAT).</p>

<p>Serlopitant is a selective antagonist of Neurokinin-1 (NK-1) receptor.</p>

<p>Elzasonan hydrochloride is a serotonin 1B and serotonin 1D receptor antagonist. It is utilized in the study of depression.</p>

<p>Potent, oral MRGPRX1 agonist 4 modulates receptor positively (EC50: 0.1 μM) and reduces mice's thermal allergy response.</p>

<p>Nipradolol blocks alpha-1-adrenergic receptors, lowers IOP in rabbits, and reduces NA-induced muscle contraction and dog artery vasodilation.</p>

<p>H-Glu-Thr-OH (L-α-Glutamyl-L-threonine) is a dipeptide composed of two amino acids—glutamic acid (Glu) and threonine (Thr)—linked by a peptide bond and functions as an agonist of the extracellular calcium-sensing receptor (CaSR).</p>

<p>Dopamine D3 receptor antagonist-1 is a dopamine D3 receptor selective or multi-targeting ligand with a Ki value of 1.58 nM that has demonstrated therapeutic</p>

<p>GLP-1 receptoragonist 16 (Example 53) is a GLP-1 agonist applicable for research in diabetes, obesity, or diseases related to non-alcoholic steatohepatitis.</p>

<p>Nocloprost (SH 475) is a prostaglandin E2 (PGE2) analog, an EP1 and EP3 receptor agonist with local gastric protection and ulcer healing effects.</p>

<p>DHICA (5,6-Dihydroxyindole-2-carboxylic acid) is an intermediate in melanin synthesis and a component of eumelanin, as well as acting as a moderate potency agonist of GPR35. In the U2OS cell line, DHICA demonstrates the ability to induce β-arrestin translocation signaling with an EC50 value of 23.2 μM. Additionally, it plays a significant role in promoting and protecting against DNA damage.</p>

<p>Metrazoline (o-Methyl-tracizoline) acts as a ligand for adrenergic receptors (low affinity) and imidazoline I2 receptors.</p>

<p>DSP-1053: Benzylpiperidine-based, potent SERT inhibitor (Ki=1.02nM), partial 5-HT1A receptor agonist (Ki=5.05nM), antidepressant.</p>

<p>MRS4833 (compound 15) is an orally active, potent, competitive antagonist of P2Y14R, exhibiting IC50 values of 5.92 nM for hP2Y14R and 4.8 nM for mP2Y14R. It reduces airway eosinophilia in protease-mediated asthma models and reverses chronic neuropathic pain in mouse CCI models.</p>

<p>Rocavorexant is an antagonist of the orexin-1 receptor (orexin-1 receptor), exhibiting a pIC50 value of 9.1 for human OX1 and a pIC50 of 6.0 for human OX2.</p>

<p>PF-4693627 is an effective and selective microsomal prostaglandin E synthase-1 inhibitor (IC50=3 nM).</p>

<p>Org 274179-0 is an effective allosteric antagonist of the thyroid-stimulating hormone (TSH) receptor, with an IC50 in the nanomolar range. It fully inhibits TSH (and TSI)-mediated activation of the TSH receptor with minimal impact on the efficacy of TSH. This compound can be utilized in studies of Graves' disease (GD).</p>

<p>Cicaprost (ZK 96480) is an IP agonist with artery relaxing effects; EC50 is 5.8 nM.</p>

<p>RGS10 modulator-1 (compound 15) is an effective regulator of RGS10. It significantly reverses IFNγ-induced expression of both RGS10 protein and mRNA, as well as COX-2 mRNA and iNOS expression triggered by IFNγ.</p>

<p>Selective, high affinity competitive antagonist of the P2Y1 receptor</p>

<p>Tiprenolol hydrochloride is a β-adrenoceptor (β-adrenoceptor) antagonist. This compound is effective in eliminating ventricular arrhythmias in dogs caused by intravenous administration of adrenaline, following inhalation of halothane.</p>

<p>Compound 23: H3R antagonist with 170 nM Ki; inhibits AChE, BChE, hMAO B; IC50s: 180, 880, 775 nM; anti-pain, memory boost; crosses BBB. [1]</p>

<p>LTB4 dimethyl amide: inhibits human neutrophil degranulation and rat lysozyme release; antagonizes LTB4 receptor on guinea pig lung membranes (Ki = 130 nM).</p>

<p>BQ-788 is an ETB receptor antagonist with potential hypertensive activity that inhibits exogenous ET-1-induced elevation of coronary perfusion pressure.</p>

<p>Treprostinil diethanolamine (UT-15C) is a potent agonist of EP2, DP1 and IP, with values of 3.6, 4.4, 32.1, 212, 826, 2505 and 4680 nM for EP2, DP1, IP, EP1,</p>

<p>PF-07258669 is a selective melanocortin 4 receptor (MC4) antagonist used in the study of cachexia and loss of appetite.</p>

<p>AZD5462 is a potent orally available relaxin receptor RXFP1 agonist for the study of heart failure and cancer.</p>

<p>Vofopitant dihydrochloride (GR 205171A) is a tachykinin NK1 receptor antagonist and a potential compound for the treatment of pathologic vomiting.</p>

<p>Vofopitant (GR 205171) is a potent NK1 receptor antagonist with anxiolytic and antiemetic activity for the study of post-traumatic stress disorder (PTSD).</p>

<p>BMS-986141(UDM-003183) is a selective and potent protease-activated receptor-4 (PAR-4) antagonist with oral activity and an IC50 value of 0.4 nM.BMS-98614</p>

<p>Dersimelagon (MT-7117) is an orally active, selective melanocortin 1 receptor (MC1R) agonist.Cost-effective and quality-assured.</p>

<p>SB-224289 hydrochloride (SB-224289A) is a selective antagonist of 5-HT1B receptor, with anxiolytic effect.</p>

<p>SB-423562 is a calcium-sensing receptor (CaSR) antagonist and can be used in studies about osteoporosis.</p>

<p>AZD-5672 is an antagonist of CCR5 with an IC50 of 0.32 nM.</p>

<p>LSN3318839 is a potent and orally available glucagon-like peptide-1 receptor (GLP-1R) modulator.LSN3318839 enhances GLP-1R G-protein-coupled signaling and can</p>

<p>Rolapitant HCl is a potent NK1 antagonist, non-CYP3A4 interactive, with anti-emetic effects and a Ki of 0.66 nM.</p>

<p>HOKU-81is a new bronchodilator and is one of the metabolites of tulobuterol.</p>

<p>JMV 2959 is an antagonist of growth hormone secretagogue receptor type 1a (GHS-R1a) (IC50: 32 nM).</p>