E6130
目录号 : GC31763
E6130是一种可口服的,高度选择性的CX3CR1调节剂,有治疗炎症性肠病的潜力。
Cas No.:1427058-33-0
Sample solution is provided at 25 µL, 10mM.
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- Purity: >98.00%
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- Datasheet
E6130 is an orally available and highly selective CX3CR1 modulator, that may be effective for treatment of inflammatory bowel disease.
E6130 is an orally available and highly selective CX3CR1 modulator, inhibits the fractalkine-induced chemotaxis of human peripheral blood natural killer cells (IC50, 4.9 nM), and down-regulates CX3CR1 on the cell surface of CD56+ NK cells with an EC50 value of 5.2 nM. E6130 also shows agonistic activity via CX3CR1 with respect to GTPγS binding (EC50 = 133 nM) and β-arrestin recruitment (EC50 = 2.4 μM) in CX3CR1-expressing CHO-K1 membrane but show no antagonistic activity[1].
E6130 (10 or 30 mg/kg, p.o.) reduces several inflammatory bowel disease-related parameters in a murine CD4+ CD45RBhigh T-cell-transfer colitis model and a murine oxazolone-induced colitis model[1].
[1]. Wakita H, et al. E6130, a Novel CX3C Chemokine Receptor 1 (CX3CR1) Modulator, Attenuates Mucosal Inflammation and Reduces CX3CR1+ Leukocyte Trafficking in Mice with Colitis. Mol Pharmacol. 2017 Nov;92(5):502-509.
Cas No. | 1427058-33-0 | SDF | |
Canonical SMILES | C[C@@H](C1)[C@@](C(NC2CCN(CC3=CCCCC3)CC2)=O)(CC(O)=O)CN1CC4=C(C(F)(F)F)C=CC=C4Cl | ||
分子式 | C28H37ClF3N3O3 | 分子量 | 556.06 |
溶解度 | DMSO: ≥ 250 mg/mL (449.59 mM) | 储存条件 | Store at -20°C |
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1 mg | 5 mg | 10 mg |
1 mM | 1.7984 mL | 8.9918 mL | 17.9837 mL |
5 mM | 0.3597 mL | 1.7984 mL | 3.5967 mL |
10 mM | 0.1798 mL | 0.8992 mL | 1.7984 mL |
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1. 首先保证母液是澄清的;
2.
一定要按照顺序依次将溶剂加入,进行下一步操作之前必须保证上一步操作得到的是澄清的溶液,可采用涡旋、超声或水浴加热等物理方法助溶。
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E6130, a Novel CX3C Chemokine Receptor 1 (CX3CR1) Modulator, Attenuates Mucosal Inflammation and Reduces CX3CR1+ Leukocyte Trafficking in Mice with Colitis
The chemokine fractalkine (CX3C chemokine ligand 1; CX3CL1) and its receptor CX3CR1 are involved in the pathogenesis of several diseases, including inflammatory bowel diseases such as Crohn's disease and ulcerative colitis, rheumatoid arthritis, hepatitis, myositis, multiple sclerosis, renal ischemia, and atherosclerosis. There are no orally available agents that modulate the fractalkine/CX3CR1 axis. [(3S,4R)-1-[2-Chloro-6-(trifluoromethyl)benzyl]-3-{[1-(cyclohex-1-en-1-ylmethyl)piperidin-4-yl]carbamoyl}-4-methylpyrrolidin-3-yl]acetic acid (2S)-hydroxy(phenyl)acetate (E6130) is an orally available highly selective modulator of CX3CR1 that may be effective for treatment of inflammatory bowel disease. We found that E6130 inhibited the fractalkine-induced chemotaxis of human peripheral blood natural killer cells (IC50 4.9 nM), most likely via E6130-induced down-regulation of CX3CR1 on the cell surface. E6130 had agonistic activity via CX3CR1 with respect to guanosine 5'-3-O-(thio)triphosphate binding in CX3CR1-expressing Chinese hamster ovary K1 (CHO-K1) membrane and had no antagonistic activity. Orally administered E6130 ameliorated several inflammatory bowel disease-related parameters in a murine CD4+CD45RBhigh T-cell-transfer colitis model and a murine oxazolone-induced colitis model. In the CD4+CD45RBhigh T-cell transfer model, E6130 inhibited the migration of CX3CR1+ immune cells and decreased the number of these cells in the gut mucosal membrane. These results suggest that E6130 is a promising therapeutic agent for treatment of inflammatory bowel disease.
The Omentum in Obesity-Associated Cancer: A Hindrance to Effective Natural Killer Cell Migration towards Tumour Which Can Be Overcome by CX3CR1 Antagonism
Oesophagogastric adenocarcinomas (OAC) are obesity-associated malignancies, underpinned by severe immune dysregulation. We have previously shown that natural killer (NK) cells preferentially migrate to OAC omentum, where they undergo phenotypic and functional alterations and apoptosis. Furthermore, we have identified the CX3CR1:fractalkine (CX3CL1) pathway as pivotal in their recruitment to omentum. Here, we elucidate whether exposure to the soluble microenvironment of OAC omentum, and in particular fractalkine and IL-15 affects NK cell homing capacity towards oesophageal tumour. Our data uncover diminished NK cell migration towards OAC tumour tissue conditioned media (TCM) following exposure to omental adipose tissue conditioned media (ACM) and reveal that this migration can be rescued with CX3CR1 antagonist E6130. Furthermore, we show that fractalkine has opposing effects on NK cell migration towards TCM, when used alone or in combination with IL-15 and uncover its inhibitory effects on IL-15-mediated stimulation of death receptor ligand expression. Interestingly, treatment with fractalkine and/or IL-15 do not significantly affect NK cell adhesion to MAdCAM-1, despite changes they elicit to the expression of integrin 汐4汕7. This study provides further evidence that CX3CR1 antagonism has therapeutic utility in rescuing NK cells from the deleterious effects of the omentum and fractalkine in OAC, thus limiting their dysfunction.
Arterial Thrombus in a Protein C Deficient Patient
Protein C is a Vitamin K derivative that plays an essential role in anticoagulation. Protein C deactivates clotting factors Va and VIIIa; therefore, a deficiency in this protein leads to over expression and activation of these factors and essentially a hypercoagulable, prothrombotic state. Although studies have shown that the cardinal manifestation of protein C deficiency is venous thromboembolism, we present a case of a patient in his third decade with a myocardial infarction on a background of protein C deficiency and minimal cardiovascular risk factors. Similar cases of patients presenting with arterial thrombus on background of protein C deficiency have been reported; therefore, it is imperative to acknowledge protein C deficiency as a possible cause of acute, premature myocardial infarctions in young patients with minimal or no risk for cardiovascular disease.
Pregnancy management for a woman with extensive vulvar and pelvic malformations caused by Klippel-Tr谷naunay syndrome
Klippel-Tr谷naunay syndrome (KTS) is a rare congenital disorder defined by a triad of capillary malformation, venous malformation, and soft tissue or bone hypertrophy most commonly affecting unilateral lower limbs. Due to the rarity of KTS, evidence-based guidelines for the management of pregnancy in people with KTS are still lacking. A 34-year-old woman (gravidity 1; parity 0) presented at 25 weeks of gestation with malformations of the right side of her body. The extent of the KTS affecting the vulva, pelvis, and right leg was remarkable. As the prenatal MRI showed massive vascular malformations of the pelvis and vulva, we performed an elective cesarean section to avoid severe perinatal hemorrhage during a vaginal delivery. Intraoperatively, we observed varices on the parietal peritoneum within the vesico-uterine pouch and the isthmocervical transition of the uterus, which were not identifiable in the preoperative MRI. Although KTS patients have been discouraged from pregnancy in the past because of a high risk for complications, successful and uncomplicated pregnancies are possible. For this purpose, we believe a multidisciplinary strategy that is crucial.
Signs of ongoing inflammation in female patients with chronic widespread pain: A multivariate, explorative, cross-sectional study of blood samples
This cross-sectional study investigates the plasma inflammatory profile of chronic widespread pain (CWP) patients compared to healthy controls (CON). Rather than analyzing a relatively few substances at a time, we used a new multiplex proximity extension assay (PEA) panel that enabled the simultaneous analysis of 92 inflammation-related proteins, mainly cytokines and chemokines.Seventeen women with CWP and 21 female CON participated and a venous blood sample was drawn from all subjects. Pain intensity and pain thresholds for pressure, heat, and cold were registered. A PEA panel (92 proteins) was used to analyze the blood samples. Multivariate data analysis by projection was used in the statistical analyses.Eleven proteins significantly differentiated the CON and CWP subjects (R = 0.58, Q = 0.37, analysis of variance of cross-validated predictive residuals P = 0.006). It was not possible to significantly regress pain thresholds within each group (CON or CWP). Positive significant correlations existed between several proteins and pain intensities in CWP, but the model reliability of the regression was poor.CWP was associated with systemic low-grade inflammation. Larger studies are needed to confirm the results and to investigate which alterations are condition-specific and which are common across chronic pain conditions. The presence of inflammation could promote the spreading of pain, a hallmark sign of CWP. As it has been suggested that prevalent comorbidities to pain (e.g., depression and anxiety, poor sleep, and tiredness) also are associated with inflammation, it will be important to determine whether inflammation may be a common mediator.