1. GPCR/G Protein
  2. Prostaglandin Receptor
  3. E7046

E7046 

Cat. No.: HY-103088 Purity: 99.60%
Handling Instructions

E7046 is an orally bioavailable and specific EP4 antagonist, with IC50 of 13.5 nM and Ki of 23.14 nM, exhibiting anti-tumor activities.

For research use only. We do not sell to patients.

E7046 Chemical Structure

E7046 Chemical Structure

CAS No. : 1369489-71-3

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10 mM * 1 mL in DMSO USD 66 In-stock
Estimated Time of Arrival: December 31
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10 mg USD 84 In-stock
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25 mg USD 156 In-stock
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50 mg USD 276 In-stock
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Based on 1 publication(s) in Google Scholar

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Description

E7046 is an orally bioavailable and specific EP4 antagonist, with IC50 of 13.5 nM and Ki of 23.14 nM, exhibiting anti-tumor activities.

IC50 & Target[2]

EP4

13.5 nM (IC50)

EP4

23.14 nM (Ki)

In Vitro

E7046 reverses the immunosuppressive effects of PGE2 on activation and differentiation of human myeloid cells through selective EP4 antagonism[2].

In Vivo

In the CT-26 tumor model, the E7046/RT combination causes the anti-tumor memory response of 9 animals. In the 4T1 model, the combination of E7046 and RT also produces significant better tumor growth inhibition activity compared with each treatment alone. The combination significantly improves survival by inhibiting the subsequent spontaneous lung metastasis of 4T1 tumors[1]. E7046 (150 mg/kg) inhibits the growth of multiple syngeneic tumor models. Blockade of EP4 signaling promotes anti-tumor DC differentiation and slows tumor growth in mice. E7046 treatment reduces the growth or even rejected established tumors in vivo in a manner dependent on both myeloid and CD8C T cells. Furthermore, co-administration of E7046 and E7777, an IL-2-diphtheria toxin fusion protein that preferentially kills Tregs, synergistically disrupts the myeloid and Treg immunosuppressive networks, resulting in effective and durable anti-tumor immune responses in mouse tumor models[2].

Clinical Trial
Molecular Weight

483.39

Formula

C₂₂H₁₈F₅N₃O₄

CAS No.

1369489-71-3

SMILES

O=C(O)C1=CC=C([[email protected]@H](NC(C2=C(OC3=CC=CC(C(F)(F)F)=C3)N(C)N=C2C(F)F)=O)C)C=C1

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
  4°C 2 years
In solvent -80°C 6 months
  -20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : ≥ 100 mg/mL (206.87 mM)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.0687 mL 10.3436 mL 20.6872 mL
5 mM 0.4137 mL 2.0687 mL 4.1374 mL
10 mM 0.2069 mL 1.0344 mL 2.0687 mL
*Please refer to the solubility information to select the appropriate solvent.
In Vivo:
  • 1.

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% saline

    Solubility: ≥ 2.5 mg/mL (5.17 mM); Clear solution

  • 2.

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in saline)

    Solubility: ≥ 2.5 mg/mL (5.17 mM); Clear solution

  • 3.

    Add each solvent one by one:  10% DMSO    90% corn oil

    Solubility: ≥ 2.5 mg/mL (5.17 mM); Clear solution

*All of the co-solvents are provided by MCE.
References
Cell Assay
[2]

Bone marrow (BM) cells are flushed from femurs of BALB/c mice using sterile CM. Freshly harvested (BM) cells (0.5×106) are differentiated in the presence of 20 ng/mL recombinant mouse GM-CSF, ±PGE2 (10 nM), at 37°C, for 8 d. CM C fresh GM-CSF ± PGE2 is changed on days 3 and 6. After in vitro differentiation, cells are analyzed by flow cytometry. For certain experiments, CT26, 4T1 cell supernatants, and/or EP1 (SC-57089), EP2 (ER-880696), EP3 (L-798106), or EP4 (E7046) antagonists at 1 mM, are added to the BM cells. To assess the effect of differentiated BM cells on T cell proliferation, mouse BM cells differentiated are co-cultured for 72 hours with anti-CD3/CD28 Dynabeadsstimulated and CFSE (1 mM)-stained T cells. T cell proliferation is assessed by CFSE dilution using flow cytometry.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Administration
[2]

For the tumor isograft efficacy studies, 6-week old female BALB/c mice are implanted with cancer cells: 1×105 CT26 or 4T1 cells or 8×105 H22 cells per mouse s.c., or 1×105 EMT6 cells in the mammary fat pad. C57BL/6 mice are implanted s.c. with 1×106 Pan02 cells per mouse, and A/J mice are implanted s.c. with 2-3 mm3 SAI/N tumor fragments. To investigate the role of T cells in the anti-tumor response, 6 week old female nude mice (which lack T cells) are injected s.c. with 1×105 CT26 cells. When tumors reach approximately 50-100 mm3, tumor-bearing mice are randomly assigned to vehicle or treatment groups, and treatment regimens begin. E7046 is administered per oral (p.o.) as a 100 or 150 mg/kg suspension in 0.5% MC, daily for 21 d (QDx21). For the combination studies, E7777 is administered intravenously (i.v.) at 2.5 mg/mouse in saline, as 2 to 3 doses injected one week apart (Q7Dx2-3). Tumor volumes and body weights are recorded 2-3 times a week. For comparison with current immunotherapies, in addition to vehicle control and E7046 C E7777 groups, mice are assigned to anti-PD1 antibodies or anti-mouse PD-1 C antimouse CTLA4 antibodies treatment groups. Anti-PD-1 and anti-CTLA-4 antibodies (1 mg/mL), are administered i.p. in 100 mL, 3 times 4 d apart (Q4Dx3) for a total of 300 mg each. Isotype controls are administered i.p. at 1 mg/mL to the control group. For the CD4CT and CD8CT lymphocyte depletion, antimouse CD4 or anti-mouse CD8 antibodies or their isotype controls are administered in 100 mL, i.p. at 2.5 mg/mL every 4 days, for a total of 4 injections per mouse (1 mg).

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

References

Purity: 99.60%

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Keywords:

E7046E 7046E-7046Prostaglandin ReceptorInhibitorinhibitorinhibit

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E7046
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