1. JAK/STAT Signaling Protein Tyrosine Kinase/RTK PI3K/Akt/mTOR Cell Cycle/DNA Damage Apoptosis
  2. EGFR Akt PERK Apoptosis
  3. EGFR-IN-181

EGFR-IN-181 is an orally active, potent, brain-penetrant EGFRL858R/T790M/C797S triple mutations inhibitor (IC50 = 1.32 nM). EGFR-IN-181 can inhibit EGFR phosphorylation (p-EGFR) and phosphorylation of its downstream signaling proteins AKT (p-AKT) and ERK (p-ERK). EGFR-IN-181 can induce apoptosis and cause G2 phase arrest. EGFR-IN-181 can be used for the study of non-small cell lung cancer (NSCLC) and brain metastases.

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EGFR-IN-181

EGFR-IN-181 Chemical Structure

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Description

EGFR-IN-181 is an orally active, potent, brain-penetrant EGFRL858R/T790M/C797S triple mutations inhibitor (IC50 = 1.32 nM). EGFR-IN-181 can inhibit EGFR phosphorylation (p-EGFR) and phosphorylation of its downstream signaling proteins AKT (p-AKT) and ERK (p-ERK). EGFR-IN-181 can induce apoptosis and cause G2 phase arrest. EGFR-IN-181 can be used for the study of non-small cell lung cancer (NSCLC) and brain metastases[1].

IC50 & Target

Akt

 

EGFR (C797S/T790M/L858R)

 

In Vitro

EGFR-IN-181 (Compound D18) (0.001-1000 μg/mL, 48 h) shows significant anti-proliferative activity against various EGFR mutant cell lines and has a high IC50 against normal cells (MCR-5, HEK293, LX-2)[1].
EGFR-IN-181 (50-500 nM, 24 h) concentration-dependently inhibits EGFR phosphorylation (p-EGFR) and its downstream signaling proteins AKT (p-AKT) and ERK (p-ERK) in NCI-H1975 cells (carrying EGFRL858R/T790M/C797S)[1].
EGFR-IN-181 (50-500 nM, 24 h) concentration-dependently induces apoptosis in NCI-H1975 EGFRL858R/T790M/C797S cells and causes G2 phase arrest[1].
EGFR-IN-181 inhibits hERG potassium channels in HEK293 cells with an IC50 of 10.55 μM[1].

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

Cell Proliferation Assay[1]

Cell Line: A549 cell line: harboring EGFRWT BaF3™ cell line: engineered BaF3 cell line, harboring EGFRL858R/T790M/C797S NCI–H1975 cell line: harboring EGFRL858R/T790M/C797S PC-9 cell line: harboring EGFRDel19 H1975 cell line: harboring EGFRL858R/T790M MCR-5, HEK293, LX-2
Concentration: 0.001 μg/mL, 0.01 μg/mL, 0.1 μg/mL, 1 μg/mL, 10 μg/mL, 100 μg/mL, 1000 μg/mL
Incubation Time: 48 h
Result: A549 (IC50 = 2.63 μM)
PC-9 (IC50 = 0.012 μM)
H1975 (IC50 = 0.027 μM)
BaF3TM (IC50 = 0.049 μM)
NCI–H1975 (IC50 = 0.87 μM)
MCR-5 (IC50 = 4.51 μM)
HEK293 (IC50 = 36.17 μM)
LX-2 (IC50 = 4.84 μM)

Western Blot Analysis[1]

Cell Line: NCI-H1975 EGFRL858R/T790M/C797S
Concentration: 50 nM, 100 nM, 500 nM
Incubation Time: 24 h
Result: Concentration-dependently inhibited EGFR phosphorylation (p-EGFR) and its downstream signaling proteins AKT (p-AKT) and ERK (p-ERK) in NCI-H1975 cells EGFRL858R/T790M/C797S; at a concentration of 500 nM, EGFR phosphorylation was completely inhibited.

Apoptosis Analysis[1]

Cell Line: NCI-H1975 EGFRL858R/T790M/C797S cells
Concentration: 50 nM, 150 nM, 250 nM, 500 nM
Incubation Time: 24 h
Result: Induced apoptosis in a degree-dependent manner, achieving an apoptosis rate of 37.94% at a concentration of 500 nM.

Cell Cycle Analysis[1]

Cell Line: NCI-H1975 EGFRL858R/T790M/C797S cells
Concentration: 50 nM, 150 nM, 250 nM, 500 nM
Incubation Time: 24 h
Result: Induced G2 phase arrest in a concentration-dependent manner, with the proportion of cells in G2 phase being 22.57 % at 50 nM and increasing to 65.98 % at 500 nM.
In Vivo

EGFR-IN-181 (Compound D18) (12.5-25 mg/kg, p.o., once daily for 15 days ) significantly inhibits the growth of EGFR-mutant tumors in NCI-H1975 cells EGFRL858R/T790M/C797S xenograft mice in a dose-dependent manner, demonstrating good safety and tolerability with no significant toxicity[1].

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

Animal Model: A xenograft tumor model was established using female BALB/c nude mice (6-8 weeks old) by subcutaneous transplantation of NCI-H1975 cells EGFRL858R/T790M/C797S triple mutations)[1].
Dosage: 12.5 mg/kg, 25 mg/kg
Administration: P.o., once daily for 15 days
Result: At a dose of 12.5 mg/kg, the tumor growth inhibition rate (TGI) was 53.64 %; at a dose of 25 mg/kg, the TGI was 91.04 %.
The average tumor weight was significantly lower than that of the control group.
Did not experience a significant decrease in body weight, and H&E staining of the major organs (heart, liver, spleen, lung, and kidney) showed no lesions or organ failure.
Molecular Weight

482.95

Formula

C24H28ClN6OP

SMILES

CP(C)(C1=CC=CC=C1NC2=NC(NC3=CC4=C(N(CCN(C)C)C=C4)C=C3)=NC=C2Cl)=O

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

Purity & Documentation
References
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  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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Product Name:
EGFR-IN-181
Cat. No.:
HY-178939
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