egfr-in-1

EGFR-IN-1, an orally active and irreversible selective inhibitor targeting L858R/T790M mutant EGFR, exhibits strong antiproliferative and antitumor activity, particularly against H1975 cells and first line mutant HCC827 cells. This compound potently inhibits Gefitinib-resistant EGFR L858R/T790M mutations with a 100-fold selectivity over the wild-type EGFR.

Mutated EGFR-IN-1 (Osimertinib analog) is a valuable intermediate in designing inhibitors for mutated EGFR, including L858R EGFR, Exon19 deletion activating mutant, and T790M resistance mutant.

EGFR-IN-1 hydrochloride is an irreversible and specific inhibitor of L858R T790M mutant EGFR, with 100-fold selectivity over wild-type EGFR. It exhibits potent antitumor and antiproliferative activity in H1975 cells and mutant HCC827 cells with IC50s of 4 and 28 nM, respectively.

EGFR/BRAF-IN-1, a 2,3-dihydropyrazino[1,2-a]indole-1,4-dione derivative, is a potent inhibitor of EGFR/BRAF, inhibiting BRAFV600E (IC50:45 nM) and cancer cell proliferation (GI50=35 nM), with good antioxidant effect.

EGFR BRAFV600E-IN-1 (Compound 23) is a potent dual inhibitor of EGFR (IC50: 0.08 μM) and BRAFV600E (IC50: 0.15 μM), exhibiting anti-proliferative effects on A-549 (IC50: 1.2 μM), MCF-7 (IC50: 0.79 μM), Panc-1 (IC50: 1.3 μM), and HT-29 (IC50: 1.23 μM).

ALK EGFR-IN-1 (Compound 8l) is a dual inhibitor targeting both ALK and EGFR, effectively blocking their phosphorylation. It demonstrates potent inhibition of ALK EGFR mutants with IC50 values of 4.3 nM for EGFR L858R T790M in H1975 cells and 3.6 nM for EML4-ALK in BaF3 cells. This compound may be applicable in the research of non-small cell lung cancer (NSCLC) [1].

EGFR C797S-IN-1 is a potent inhibitor targeting the EGFR-C797S mutation, with an IC50 value of 0.128 µM, exhibiting significant anti-proliferative and anti-tumor effects by inhibiting p-EGFR expression in a dose-dependent manner.

EGFR/HER2/TS-IN-1 are EGFR, HER2 and TS (Thymidylate synthase) inhibitors with IC50 values of 0.203, 0.088 and 0.168 μM, respectively, and have the ability to induce apoptosis (MCF7 cell death).

EGFR/CDK2-IN-1, an inhibitor of both EGFR and CDK2, demonstrates effective cytotoxicity towards MCF7 and HepG2 cells, suggesting its potential application in cancer research.

EGFR-IN-1 TFA is an orally active and irreversible L858R/T790M mutant selective EGFR inhibitor. EGFR-IN-1 TFA potently inhibits Gefitinib-resistant EGFR L858R, T790M with 100-fold selectivity over wild-type EGFR . EGFR-IN-1 TFA displays strong antiproliferative activity against the H1975 cells and the first line mutant HCC827 cells. Antitumor activity [1] .

EGFR HER2 DHFR-IN-1 is a highly selective and potent anticancer compound targeting MCF-7 breast cancer cells, acting as a multi-inhibitor for EGFR HER2 kinase and DHFR enzymes, with IC50 values of 0.153 μM, 0.108 μM, and 0.291 μM, respectively. It induces cell cycle arrest at the G1 S phase and apoptosis in cells [1].

EGFR CSC-IN-1 is a dual inhibitor of the epidermal growth factor receptor (EGFR [IC50 10.52 nM]) and cancer stem cells (CSC), potentially applicable in triple-negative breast cancer research.

EGFR HER2 CDK9-IN-1 (Compound 4) is a potent inhibitor of EGFR, HER2, and CDK9, with IC50 values of 90.17 nM, 131.39 nM, and 67.04 nM, respectively, and exhibits significant anti-tumor effects.

EGFR mutant- in-1, A 5-methylpyrimidopyridone derivative are effective selective EGFRL858R/T790M/C797S mutant inhibitors with IC50 of 27.5 nM, which significantly weakened EGFRWT effect.

EGFR ErbB-2 inhibitor-1 is a selective ErbB2 HER2 inhibitor that effectively blocks ErbB2 and HER2 signaling.

EGFR kinase inhibitor 1 is a potent inhibitor of EGFR that acts on WT (IC50: 37 nM), l885R T790M (IC50: 1.7 nM), and L858R T790M C797S (IC50>300 nM). It is capable of blocking the cell cycle in G0 G1 phase, inducing apoptosis, and has an inhibitory effect on cell metastasis. Additionally, EGFR kinase inhibitor 1 exhibits anti-proliferative and anti-tumor effects.

PROTAC PARP EGFR ligand 1 is a potent compound used in developing dual PARP-EGFR degraders via Proteolytic Targeting Chimera (PROTAC) technology [1].

(-)-Epigallocatechin Gallate (EGCG) is a phenolic antioxidant polyphenol flavonoid found in plants such as green and black tea, which inhibits telomerase and DNA methyltransferase, blocks the activation of EGF receptors and HER-2 receptors, inhibits cellular oxidation, and prevents free radical damage to cells.

Nitroaspirin (NCX 4016) is a nitric oxide donor and a nitro-derivative of Aspirin that inhibits cyclooxygenase. It induces cell cycle arrest and apoptosis in Cisplatin-resistant human ovarian cancer cells by down-regulating EGFR PI3K STAT3 signaling and modulating Bcl-2 family proteins. Additionally, Nitroaspirin possesses antithrombotic and antiplatelet properties and acts as a direct and irreversible inhibitor of COX-1.

EGFR-IN-5 is a selective inhibitor of EGFR. The IC50s for EGFR, EGFR(L858R), EGFR(L858R/T790M), and EGFR(L858R/T790M/C797S) are 10.4, 1.1, 34, 7.2 nM, respectively.

SU11652 is a potent cell-permeable pyrrole-indolinone compound. SU11652 acts as an ATP-competitive tyrosine kinase receptor and angiogenic inhibitor with greater selectivity for PDGFR-β (PDGFRβ, IC50 = 3 nM), Flk-1 (VEGFR2, IC50 = 27 nM), FGFR1 (IC50= 170

BI-4020 is a fourth-generation, orally active, and non-covalent inhibitor of EGFR tyrosine kinase. It exhibits activity against the triple mutant EGFR del19 T790M C797S variant (IC50=0.2 nM in BaF3 cell lines), the double mutant EGFR del19 T790M and primary mutant EGFR del19 (IC50=1 nM), and EGFR wt (IC50=190 nM). BI-4020 also shows high kinome selectivity and good DMPK properties.

ML228 is a potent the Hypoxia Inducible Factor (HIF) pathway activator with EC50 of 1 μM. ML228 potently activates HIF in vitro as well as its downstream target VEGF.

Ensartinib (X-396) is a potent dual ALK MET inhibitor with IC50 values of <0.4 nM for ALK and 0.74 nM for MET.

EGFR-IN-7 (TQB3804) is a selective and potent EGFR kinase inhibitor.

Beta-Hydroxyisovalerylshikonin is an inhibitor of protein-tyrosine kinases such as v-Src and EGFR, and has been shown to induce apoptosis in several human tumor cell lines. Beta-Hydroxyisovalerylshikonin significantly decreased viability of HCT116 cells (IC50 values = 30.9 μg mL).

EGFR-IN-12 (EGFR Inhibitor) is a cell permeable and selective inhibitor of EGFR kinase (IC50: 21 nM) and blocks receptor autophosphorylation in cells.

PD153035 (NSC-669364) hydrochloride is an effective and selective inhibitor of EGFR (Ki/IC50: 5.2/29 pM, in cell-free assays); little inhibitory against FGFR, PGDFR, InsR, CSF-1 and Src.

DW532 is one of simplified analogues of hematoxylin that has shown broad-spectrum inhibition on tyrosine kinases and in vitro anti-cancer activities. DW532 inhibited EGFR and VEGFR2 in vitro kinase activity (the IC50 values were 4.9 and 5.5 μmol/L, respectively), and suppressed their downstream signaling. DW532 dose-dependently inhibited tubulin polymerization via direct binding to tubulin, thus disrupting the mitotic spindle assembly and leading to abnormal cell division. In a panel of human cancer cells, DW532 (1 and 10 μmol/L) induced G2/M phase arrest and cell apoptosis, which subsequently resulted in cytotoxicity. Knockdown of BubR1 or Mps1, the two core proteins of the spindle assembly checkpoint dramatically decreased DW532-induced cell cycle arrest in MDA-MB-468 cells. Moreover, treatment with DW532 potently and dose-dependently suppressed angiogenesis in vitro and in vivo. ( Acta Pharmacol Sin. 2014 Jul;35(7):916-28.)

1. Furanodienone has effects on MCF-7 cells are mediated, at least in part, by inhibiting ERα signaling. 2. Furanodienone inhibits EGFR/HER2 signaling pathway in BT474 and SKBR3 cells, the effect is specifically dependent on the expression of HER2 but not EGFR .

Gefitinib hydrochloride (ZD1839 hydrochloride) is a potent and orally active EGFR tyrosine kinase inhibitor (EGFR-TKI) (IC 50 = 33 nM) that selectively inhibits EGF-stimulated tumor cell growth (IC 50 = 54 nM) and blocks EGF-stimulated EGFR autophosphorylation in tumor cells. Additionally, it induces autophagy, demonstrating antitumor activity [1] [2].

EGFR-IN-82 (Compound 8a) is a potent, orally active inhibitor of EGFR, exhibiting IC50 values of 0.09 nM for EGFR L858R T790M C797S and 0.06 nM for EGFR Del19 T790M C797S. It lacks significant inhibitory effects on EGFR WT. Demonstrating anti-proliferative properties, EGFR-IN-82 also inhibits tumor growth in nude mice, rendering it applicable in non-small cell lung cancer research [1].

EGFR-IN-78 (compound A5), a 2-aminopyrimidine derivative, serves as a reversible EGFR C797S-TK inhibitor and an apoptosis inducer. It exhibits anti-proliferative properties, impedes EGFR phosphorylation, and induces G2/M phase cell cycle arrest [1].

EGFR CDK2-IN-4 (compound 4c) is a dual inhibitor targeting EGFR and CDK-2, with IC50 values of 89.6 nM for EGFR and 165.4 nM for CDK-2. It induces apoptosis and S phase cell cycle arrest in MCF-7 cells, showing significant anti-cancer activity with an IC50 of 2.74 μM against MCF-7 cells [1].

EGFR-IN-68 (Compound 8d) is a potent EGFR inhibitor with an IC50 value of 0.33 μM and exhibits notable anticancer properties [1].

Gefitinib impurity 1 is a compound derived from Gefitinib, a potent and selective EGFR tyrosine kinase inhibitor (IC 50 = 33 nM). This orally active compound selectively inhibits tumor cell growth stimulated by EGF (IC 50 = 54 nM) and inhibits EGFR autophosphorylation induced by EGF in tumor cells. Additionally, Gefitinib induces autophagy and exhibits antitumor activity.

DP-C-4 is a Cereblon-based dual PROTAC for simultaneous degradation of EGFR and PARP[1]. DP-C-4 (1-50 μM; 24 hours) has degradation effects on EGFR and PARP simultaneously in a dose-dependent manner in SW1990 cells[1]. [1]. Mengzhu Zheng, et al. Rational Design and Synthesis of Novel Dual PROTACs for Simultaneous Degradation of EGFR and PARP. J Med Chem. 2021 May 26.

PROTAC EGFR degrader 6 is a potent PROTAC EGFR degrader that effectively reduces EGFR Del19 levels in HCC827 cells, exhibiting a DC50 of 45.2 nM. It notably promotes apoptosis and induces G1 phase arrest in HCC827 cells [1].

MS9427 TFA is a potent PROTAC-based EGFR degrader, exhibiting dissociation constants (Kd) of 7.1 nM for wild-type EGFR and 4.3 nM for the L858R EGFR mutation. It preferentially degrades the mutant EGFR, sparing the wild-type form, utilizing both the ubiquitin/proteasome system (UPS) and the autophagy/lysosome pathways. Its efficacy extends to the significant inhibition of non-small cell lung cancer (NSCLC) cell proliferation, indicating its potential utility in anticancer research [1].

Zalutumumab, a fully human IgG1 monoclonal antibody, exhibits high affinity for the epidermal growth factor receptor (EGFR), selectively targeting its domain III. It functions by inhibiting the binding of the epidermal growth factor (EGF) and obstructing the receptor's active conformation through steric hindrance. With EC50 values of 7 nM for its IgG and 19 nM for the Fab fragment, Zalutumumab demonstrates potent interaction capabilities. This compound is primarily utilized in cancer research [1] [2] [3].

EGFR-IN-8, a dual inhibitor targeting both EGFR and c-Met, shows potential as a promising candidate for further development in treating EGFR TKI-resistant NSCLC.

NSC114126 is a highly effective and orally bioavailable inhibitor of the tyrosine kinase activity of the epidermal growth factor receptor (EGFR-TK). This compound exhibits robust antiproliferative properties, making it a promising candidate for further investigation in the field of cancer research [1].

Gefitinib-based PROTAC 3, which connects an EGFR binding element to a VHL ligand via a linker, induces EGFR degradation with DC50s of 11.7 nM and 22.3 nM in HCC827 (exon 19 del) and H3255 (L858R mutation) cells, respectively[1].

Erlotinib-13C6 (CP-358774-13C6) is a 13C-labeled Erlotinib. Erlotinib is a directly acting EGFR tyrosine kinase inhibitor, with an IC50 of 2 nM for human EGFR[1]. Erlotinib reduces EGFR autophosphorylation in intact tumor cells with an IC50 of 20 nM. Erlotinib is used for the treatment of non-small cell lung cancer[1].Stable heavy isotopes of hydrogen, carbon, and other elements have been incorporated into drug molecules, largely as tracers for quantitation during the drug development process[2]. [1]. Moyer JD, et al. Induction of apoptosis and cell cycle arrest by CP-358,774, an inhibitor of epidermal growth factor receptor tyrosine kinase. Cancer Res. 1997, 57(21), 4838-4848.[2]. Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019;53(2):211-216.

PROTAC EGFR degrader 8 (T-184) is a PROTAC that selectively degrades the epidermal growth factor receptor (EGFR) with a DC50 of 15.56 nM in HCC827 cells, and inhibits the growth of cell lines H1975, PC-9, and HCC827 with IC50 values of 7.72 nM, 121.9 nM, and 14.21 nM, respectively. This compound is used primarily for cancer research, particularly in the context of non-small cell lung cancer (NSCLC) [1].

YS-363 is a potent, selective, and orally active inhibitor of the epidermal growth factor receptor (EGFR), with half-maximal inhibitory concentrations (IC50) of 0.96 nM for the wild-type EGFR and 0.67 nM for the L858R mutant variant. It induces G0 G1 cell cycle arrest and apoptosis in targeted cells [1].

Multi-kinase-IN-6 (compound 10e) is a multikinase inhibitor that impedes the activity of TrkA, ALK2, c-KIT, EGFR, PIM1, CK2α, CHK1, and CDK2. It exhibits antiproliferative effects on MCF7, HCT116, and EKVX cancer cell lines with IC50s of 3.36 μM, 1.40 μM, and 3.49 μM, respectively. Additionally, Multi-kinase-IN-6 induces cell cycle arrest at the G1 S and G1 phases in MCF7 and HCT116 cells, respectively, and effectively triggers apoptosis [1].

LM2I, a derivative of Spinosyn A (SPA), serves both as an argininosuccinate synthase (ASS1) enzyme activator and a tumor inhibitor through direct interaction with ASS1. It demonstrates notable antiproliferative effects across seven colorectal cancer cell lines and in colorectal cancer xenograft tumors. Furthermore, LM2I suppresses the growth of colorectal cancer cells by targeting the EGFR pathway [1].