S1P Receptor

Phorbol 12-myristate 13-acetate (PMA) belongs to the phorbol ester group of natural products and is an activator of PKC, SphK, and NF-κB. Phorbol 12-myristate 13-acetate induces THP1 cell differentiation.

Ozanimod hydrochloride (RPC-1063 hydrochloride) is an orally available, selective and potent sphingosine 1-phosphate (S1P) receptor modulator that shows high affinity for S1P1 and S1P5.Ozanimod has potential anticancer activity and can be used in the study of multiple sclerosis (MS), ulcerative multiple sclerosis (UMS), and other diseases. (MS), ulcerative colitis, coronavirus infections and myelodysplasia.

LX-2931(LX-3305) is a sphingosine-1-phosphate cleavage enzyme (S1P) inhibitor for the treatment of rheumatoid arthritis.

Ex26 (S1P1-IN-Ex26) is a selective and potent sphingosine 1-phosphate receptor 1 (S1P1) antagonist that disrupts SR-B1-S1PR1 interactions and inhibits S1P-S1PR1 signaling.Ex26 can be used in experimental autoimmune encephalomyelitis, arterial Ex26 is used in experimental autoimmune encephalomyelitis, atherosclerosis and gastric cancer.

SLP9101555 is a potent and selective sphingosine kinase 2 (SphK2) inhibitor with a Ki of 90 nM.SLP9101555 has a high affinity for SphK2, which is 200-fold higher than that of SphK1.SLP9101555 dramatically reduces extracellular S1P sphingosine 1-phosphate (S1P) levels.

[(3S)-3-amino-4-(3-hexylanilino)-4-oxobutyl]phosphonic acid;hydrobromide is a S1P1 antagonist with Ki of 2.84 μM.

BMS-960 is an S1P agonist with potential anti-tumour activity for cancer research.

ML-031 activated S1P2 with an EC50 value of 1 μM in an S1P reporter assay.

ASP-4058 is a selective, safe, and orally active second-generation agonist of sphingosine phosphate receptors 1 and 5 (S1P1 and S1P5).ASP-4058 ameliorates experimental autoimmune encephalomyelitis in mice.

K145 hydrochloride is a selective sphk2 inhibitor with substrate competitiveness and oral activity, with IC50 of 4.3 µM and Ki of 6.4 µM. K145 hydrochloride can induce apoptosis and has strong antitumor activity.

Ceranib-2 (3-[(E)-3-(4-hydroxyphenyl)prop-2-enoyl]-4-phenyl-1H-quinolin-2-one) is an inhibitor of ceramidase with an IC50 of 28 μM in SKOV3 cells. Ceranib-2 decreases levels of sphingosine and S1P, induces cell apoptosis and exhibits anticancer activity.

Ponesimod (ACT-128800) is an orally available sphingosine-1-phosphate receptor 1 (S1PR1, S1P1) agonist with potential immunomodulating activity.

CYM5442 is an S1P agonist, targeting to Sphingosine.

BAF312 (Siponimod (BAF-312)), a next-generation S1P receptor modulator, is specific for S1P1 and S1P5 receptors with EC50 of 0.39 nM and 0.98 nM, respectively. The specificity of BAF312 for S1P1 and S1P5 receptors exhibits >1000-fold over S1P2, S1P3 and S1P4 receptors.

Fingolimod (FTY-720A) is an antagonist of sphingosine 1-phosphate (S1P) (IC50 of 0.033 nM in K562 and NK cells).

Vibozilimod (SCD-044) is S1P receptor-1 (S1PR1) agonist .

SphK1&2-IN-1 is a sphingosine kinase inhibitor with anti-inflammatory, antitumor and hemostatic effects.

TY-52156 is an effective and selective S1P3 receptor antagonist (Ki: 110 nM).

SEW 2871 is an orally available, highly selective S1P1 agonist with an EC50 of 13.8 nM.It reduces the number of lymphocytes in the blood and is used in studies related to diabetes, Alzheimer's disease, liver fibrosis, and inflammation. It activates ERK, Akt and Rac signaling pathways and induces S1P1 internalization and recycling.

GSK2018682 is an agonist of sphingosine-1-phosphate receptor (s1p1) and (s1p5) agonist(pEC50s of 7.7 and 7.2,respectively).

CYM50308 is a high affinity agonist of sphingosine-1-phosphate receptor 4 (S1P4-R) (EC50: 56 nM). CYM50308 has no activity at S1P1-R, S1P2-R and S1P3-R subtypes at concentrations up to 25 μM and it shows 37-fold more selective for S1P4-R than S1P5-R.

PF429242 dihydrochloride is a reversible and competitive inhibitor of S1P (IC50 of 175 nM).

SK1-IN-1 is a potent inhibitor of sphingosine kinase 1 (SPHK1)(IC50 of 58 nM).

K6PC-5 is a ceramide derivative that acts as an activator of sphingosine kinase 1 (SPHK1), inducing a swift and temporary rise in intracellular calcium levels. With its potential applications in skin diseases associated with abnormal keratinocyte function, as well as in studies on neurodegeneration and virus infection, K6PC-5 presents a promising compound for research purposes.

Amiselimod hydrochloride (MT-1303 hydrochloride) is a sphingosine 1-phosphate receptor-1 (S1P1) modulator.

MHP (Methyl caprooyl tyrosinate) is an activator of sphingosine kinase (SPHK1), and significantly stimulates CAMP mRNA and protein production in KC.

CS 2100 (1-[[4-Ethyl-5-[5-(4-phenoxyphenyl)-1,2,4-oxadiazol-3-yl]-2-thienyl]methyl]-3-azetidinecarboxylic acid) is an S1P1 agonist.

4-Deoxypyridoxine (4-DPD) is a vitamin B6 antimetabolite with diverse biological activities. It inhibits transport of pyridoxine , pyridoxal, and pyridoxamine in and reduces growth of S. carlsbergensis cells. 4-DPD inhibits sphingosine-1-phosphate (S1P) lyase and reduces cyclic stretch-induced apoptosis in alveolar epithelial MLE-12 cells. 4-DPD (5 mg, i.p.) reduces lysyl oxidase activity by 26% and reduces collagen and elastin crosslinking, resulting in limb abnormalities in chick embryos. It decreases latency to first seizure in mice (ED50 = 1 mmol/kg) and increases the occurrence and duration of myoclonic responses in baboons with photosensitive epilepsy. 4-DPD reduces TNF-α and IL-6 production in mice infected with T. spiralis.

VPC 23019 is a competitive antagonist at the S1P1 and S1P3 receptors (pKi= 7.86 and 5.93, respectively). It is also an agonist at the S1P4 and S1P5 receptors (pEC50= 6.58 and 7.07, respectively).

Sphingosine-1-phosphate (S1P) is an agonist for S1P1-5 receptors and a ligand for GPR3, GPR6, GPR12.Sphingosine-1-phosphate is an intracellular second messenger that mobilises Ca2+ as an extracellular ligand for G-protein coupled receptors. Sphingosine-1-phosphate is an important lipid mediator generated from sphingosine (HY-113498) or other membrane phospholipids.

Ozanimod (RPC-1063) (RPC1063) is a specific oral S1P Receptor 1 modulator. Ozanimod has been used in trials studying the treatment of Crohn's Disease, Ulcerative Colitis, Multiple Sclerosis, and Relapsing Multiple Sclerosis.

CYM-5541 (ML249) is a selective and allosteric S1P3 receptor agonist.

Etrasimod (APD334) is a specific and orally available antagonist of the sphingosine-1-phosphate-1 (S1P1) receptor (IC50: 1.88 nM in CHO cells).

Cenerimod (ACT-334441) is an orally active, selective, and potent sphingosine 1-phosphate receptor (S1P1) agonist (EC50: 1 nM).Cenerimod inhibits multiple S1P isoforms and can be used to study murine experimental autoimmune encephalomyelitis (EAE) and murine scleroderma.

MP-A08 is a highly selective ATP competitive inhibitor of sphingosine kinase (SPHK1) that targets both SphK1 and SphK2 (Ki: 6.9 ± 0.8 μM and 27 ± 3 μM, respectively).

SKI-178 is a sphingosine kinase 1 (SphK1) inhibitor with IC50 of 0.1-1.8 μM. It induces prolonged mitosis followed by apoptotic cell death through the intrinsic apoptotic cascade. The sustained activation of CDK1 during prolonged mitosis, mediated by SKI-178 leads to the simultaneous phosphorylation of the prosurvival Bcl-2 family members, Bcl-2 and Bcl-xl, as well as the phosphorylation and subsequent degradation of Mcl-1.

PF-543 (Sphingosine Kinase 1 Inhibitor II), a novel sphingosine-competitive inhibitor of SphK1, inhibits SphK1 with IC50 and Ki of 2.0 nM and 3.6 nM.

Fingolimod hydrochloride (FTY720) , a novel immune modulator, is a sphingosine 1-phosphate (S1P) antagonist (IC50: 0.033 nM in K562 and NK cells).

S1p receptor agonist 1 (S1p-receptor-agonist-1) is an S1P receptor agonist.

SKI V is a potent and noncompetitive non-lipid sphingosine kinase (SPHK; SK) inhibitor (GST-hSK,IC50 : 2 μM), and is a PI3K inhibitor(hPI3k,IC50 : 6 μM), induces apoptosis and has antitumor activity

SKI II (SphK-I2) is a highly selective and non-ATP-competitive S1P receptor inhibitor (IC50: 0.5 μM) while exhibiting no inhibitory action on other kinases including PKCα, PI3K, and ERK2.

Opaganib (ABC294640) is an orally active and specific sphingosine kinase-2 (SphK2) inhibitor (IC50: 60 μM).

PF-543 hydrochloride (PF-543) inhibits SphK1 with a K(i) of 3.6 nM, is sphingosine-competitive and is more than 100-fold selective for SphK1 over the SphK2 isoform.

CYM-5520 is a noncompetitive allosteric agonist of S1P2

Peretinoin (NIK333) is an oral acyclic retinoid with a vitamin A-like structure that targets retinoid nuclear receptors such as RXR and RAR.

GLPG2938 (1-(2-Ethoxy-6-(trifluoromethyl)pyridin-4-yl)-3-((5-methyl-6-(1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)pyridazin-3-yl)methyl)urea) is a potent and selective antagonist of S1P2.

PF-543 Citrate is an inhibitor of sphingosine-competitive SPHK1(IC50 of 2 nM ).

JTE-013 is an effective and specific antagonist of S1P2. JTE-013 suppresses the specific binding of radiolabeled S1P to human and rat S1P2 (IC50s: 17 nM and 22 nM, respectively).