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SML1217

Sigma-Aldrich

TG4-155

≥98% (HPLC)

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Synonym(s):
(2E)-N-[2-(2-Methyl-1H-indol-1-yl)ethyl]-3-(3,4,5-trimethoxyphenyl)-2-propenamide
Empirical Formula (Hill Notation):
C23H26N2O4
CAS Number:
1164462-05-8
Molecular Weight:
394.46
NACRES:
NA.77

Quality Level

100

Assay

≥98% (HPLC)

form

powder

color

white to beige

solubility

DMSO: 20 mg/mL, clear

storage temp.

2-8°C

InChI

1S/C23H26N2O4/c1-16-13-18-7-5-6-8-19(18)25(16)12-11-24-22(26)10-9-17-14-20(27-2)23(29-4)21(15-17)28-3/h5-10,13-15H,11-12H2,1-4H3,(H,24,26)/b10-9+

InChI key

YBHUXHFZLMFETJ-MDZDMXLPSA-N

Biochem/physiol Actions

TG4-155 is a brain penetrant prostaglandin EP2 specific antagonist. TG4-155 has a 4730X selectivity over EP4 (2.4 nM vs 11.4 mM in binding assays), and a 7 fold selectivity over DP1 receptors. TG4-155 crosses the blood brain barrier, and has no antagonistic effects on EP4 signaling, and displays neuroprotective effects in a pilocarpine-induced status epilepticus (SE) seizure model. TG4-155 does not interfere with G-protein function or phosphodiesterase activity, and does not inhibit COX-1 or COX-2.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315 - H319 - H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Jiange Qiu et al.
British journal of pharmacology, 176(11), 1680-1699 (2019-02-15)
An up-regulation of COX-2 in malignant gliomas causes excessive synthesis of PGE2 , which is thought to facilitate brain tumour growth and invasion. However, which downstream PGE2 receptor subtype (i.e., EP1 -EP4 ) directly contributes to COX activity-promoted glioma growth

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