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

EGFR/HER2-IN-7 is a highly selective and potent anticancer compound specifically designed to target MCF-7 breast cancer cells. It functions as a dual inhibitor, targeting both EGFR/HER2 kinases and DHFR (dihydrofolate reductase). Its inhibitory activities are measured with IC50 values of 0.18 μM for EGFR, 0.146 μM for HER2, and 0.907 μM for DHFR [1].

Tyrosine kinase-IN-7 is a potent inhibitor of the tyrosine kinase EGFR, inhibiting EGFR(WT) and EGFR(T790M) and showing anti-cancer and anti-tumor activity in a variety of cancer cell lines. Tyrosine kinase-IN-7 has potential anti-inflammatory and antiviral activities.

EGFR-IN-9 is a potent EGFR kinase inhibitor with IC50s of 7 nM, 28 nM for the wild type EGFR kinase and double mutant EGFR kinase (L858R/T790M). EGFR-IN-9 has antitumor activity.

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].

Compound 5K (Multi-target kinase inhibitor 2) is a multi-targeted kinase inhibitor demonstrating activity against EGFR, Her2, VEGFR2, and CDK2 with IC50 values between 40 to 204 nM. It exhibits cytotoxic effects on HepG2, HeLa, MDA-MB-231, and MCF-7 cell lines, with IC50 values of 41, 57, 51, and 59 μM, respectively. Additionally, it induces cell cycle arrest and apoptosis specifically in HepG2 cells.

Pericosine A is a fungal metabolite that has been found inP. byssoidesand has anticancer activity.1It inhibits the growth of a variety of cancer cells, including breast, colon, lung, ovary, stomach, and prostate cell lines (GI50s = 0.05-24.55 μM) and increases survival in a P388 mouse xenograft model when administered at a dose of 25 mg/kg. Pericosine A inhibits EGFR by 40 to 70% when used at a concentration of 100 μg/ml. It also reacts with organosulfur compounds in skunk spray to form stable thioethers as odorless products.2 1.Yamada, T., Iritani, M., Ohishi, H., et al.Pericosines, antitumour metabolites from the sea hare-derived fungus Periconia byssoides. Structures and biological activitiesOrg. Biomol. Chem.5(24)3979-3986(2007) 2.Du, L., Munteanu, C., King, J.B., et al.An electrophilic natural product provides a safe and robust odor neutralization approach to counteract malodorous organosulfur metabolites encountered in skunk sprayJ. Nat. Prod.82(7)1989-1999(2019)

PROTAC EGFR degrader 7 (compound 13b) is a potent, selective, CRBN-recruiting EGFRL858R/T790M degrader with a DC50 of 13.2 nM. It effectively inhibits proliferation of NCI-H1975 cells with an IC50 of 46.82 nM, induces apoptosis, and causes a G2/M phase arrest in these cells. Demonstrating antitumor activity, this compound is applicable in non-small cell lung cancer (NSCLC) research.

PROTAC EGFR degrader 7 (compound 13b) is a potent, selective CRBN-recruiting agent targeting EGFR L858R/T790M mutations with a DC50 of 13.2 nM. It effectively inhibits proliferation in NCI–H1975 cells with an IC50 of 46.82 nM and significantly triggers apoptosis and G2/M phase arrest in these cells. Demonstrating antitumor efficacy, PROTAC EGFR degrader 7 holds promise for non-small cell lung cancer (NSCLC) research [1].

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

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 .

EGFR/CDK2-IN-2 (compound 6a) serves as a dual inhibitor targeting both EGFR and CDK-2, exhibiting IC50 values of 19.6 nM and 87.9 nM, respectively. It promotes apoptosis in MCF-7 cells and halts cell cycle progression during the S phase. Additionally, this compound demonstrates notable anticancer activity, inhibiting MCF-7 cells with an IC50 of 0.39 μM [1].

EGFR-IN-83 (Compound 9), an EGFR inhibitor with an IC50 of 2.53 nM, exhibits antiproliferative effects on MCF-7 and MDA-MB-231 cell lines, with respective IC50 values of 2.50 μM and 1.96 μM. Furthermore, EGFR-IN-83 is capable of inducing cell apoptosis [1].

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

BI-1622 is a highly selective, orally active HER2(ERBB2) inhibitor (IC50: 7 nM). BI-1622 is >25-fold selective for EGFR. In a mouse model of transplanted tumors transfected with H2170 and PC9 cells, BI-1622 exhibited high in vivo antitumor effects with good drug metabolism and pharmacokinetic properties.

EGFR-IN-53 (Compound 7) is a potent inhibitor of EGFR (IC50 = 8.264 μM) that exhibits cytotoxic activity against cancer cell lines [1].

HDAC3-IN-2 (compound 4i), a pyrazinyl hydrazide-based HDAC3 inhibitor with an IC50 of 14 nM, effectively targets triple-negative breast cancer cells. Demonstrating cytotoxic activity, HDAC3-IN-2 exhibits an IC50 of 0.55 μM against 4T1 cells and 0.74 μM against MDA-MB-231 cells. In vivo, it shows anti-tumor efficacy in tumor-bearing mouse models by selectively elevating acetylation of histones H3K9, H3K27, and H4K12, enhancing apoptosis-inducing proteins caspase-3, caspase-7, and cytochrome c, and diminishing proliferation markers Bcl-2, CD44, EGFR, and Ki-67 [1].

HSP90-IN-13 (compound 5k) is a potent broad-spectrum inhibitor of HSP90 with an IC50 of 25.07 nM. HSP90-IN-13 has multitargeted activity against EGFR, VEGFR-2 and Topoisomerase-2. HSP90-IN-13 blocks the MCF-7 cell cycle in G2/M HSP90-IN-13 blocks the MCF-7 cell cycle in G2/M phase and induces apoptosis through a mitochondria-mediated pathway.

7-oxo Staurosporine is an antibiotic originally isolated from S. platensis with diverse biological activites. It inhibits PKC, PKA, phosphorylase kinase, EGFR, and c-Src in vitro (IC50s = 9, 26, 5, 200, and 800 nM, respectively). 7-oxo Staurosporine induces cell cycle arrest in the G2/M phase in human leukemia K562 cells with a minimal effective dose (MED) of 30 ng/ml. It is cytotoxic to P388 mouse leukemia cells that are resistant and susceptible to doxorubicin . 7-oxo Staurosporine inhibits growth of the mycelial, but not yeast form of C. albicans, C. krusei, C. tropicalis, and C. lusitaniae (MICs = 3.1-25 μg/ml). It increases sphingomyelin synthesis in CHO-K1 cells when used at a concentration of 50 nM.

EGFR-IN-81 (Compound 10i), an EGFR inhibitor, demonstrates potent activity by inhibiting EGFR WT and the L858R/T790M mutation at IC50 values of 4.38 nM and 5.69 nM, respectively. It also exhibits cytotoxic effects against MCF-7 and HCT116 cell lines with IC50 values of 2.07 μM and 6.72 μM, respectively [1].

EGFR/CDK2-IN-3 (compound 4b) serves as a dual inhibitor targeting both EGFR and CDK-2, exhibiting IC50 values of 71.7 nM and 113.7 nM, respectively. It prompts apoptosis in MCF-7 cells and halts the cell cycle in the S phase while demonstrating substantial anti-cancer cell toxicity, inhibiting MCF-7 cells with an IC50 of 3.16 μM [1].

EGFR- IN-63 is an EGFR inhibitor with an IC50 value of 0.096 μM. EGFR- IN-63 exhibited anticancer effects on MCF-7 cells (IC50: 2.49 μM).

BTK-IN-7 is a selective and potent BTK inhibitor with an IC50 value of 4.0 nM. BTK-IN-7 exhibits high selectivity at both the enzymatic (ITK>250-fold, EGFR>2500-fold) and cellular levels (ITK>227-fold, EGFR27-fold). BTK-IN-7 exhibits high high antitumor effect.

Multi-kinase-IN-4 (compound 5d) is a multi-targeted kinase inhibitor active against VEGFR2, EGFR, HER2, and CDK2, with respective IC50 values of 0.33, 0.22, 0.18, and 2.09 μM. It exhibits broad-spectrum anti-cancer properties in HepG2, MCF-7, MDA-231, and HeLa cell lines, with IC50 values ranging from 1.94 to 7.1 µM, and demonstrates lower toxicity in WI-38 cells (IC50 = 40.85 µM). Additionally, it induces apoptosis and causes S-phase cell cycle arrest in HepG2 cells, and holds potential for cancer research [1].

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