Erlotinib (Synonyms: NSC 718781) |
Catalog No.GC10627 |
Erlotinib is a potent and orally bioavailable epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor with an IC50 value of 2 nM.
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Cas No.: 183321-74-6
Sample solution is provided at 25 µL, 10mM.
Erlotinib is a potent and orally bioavailable epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor with an IC50 value of 2 nM. Erlotinib competes with ATP for binding sites on tyrosine kinase intracellular domains, inhibiting downstream signaling pathways that induce angiogenesis and cell proliferation[1-3].
Erlotinib selectively and reversibly inhibited intracellular autophosphorylation of EGFR-associated tyrosine kinases with an IC50 value of 20 nM. Erlotinib inhibited the proliferation of DiFi cells (IC50 of 100 nM) and blocks cell cycle progression at the G1 phase[1]. Erlotinib inhibited the growth of BxPC-3 cells, induced apoptosis and suppressed the expression of cellular anti-apoptotic genes, but this effect was not observed in MIAPaCa cells[4].
In HN5 mouse xenograft tumor models, Erlotinib (100 mg/kg) completely blocked EGF-induced EGFR autophosphorylation as well as liver EGFR autophosphorylation in mice[1]. In the mouse BxPC-3 cell orthotopic transplantation model, the Erlotinib group reduced tumor weight by 35% compared with the control group, and Erlotinib downregulated the level of NF-κB in vivo[4].
References:
[1]. Moyer J D, Barbacci E G, Iwata K K, et al. Induction of apoptosis and cell cycle arrest by CP-358,774, an inhibitor of epidermal growth factor receptor tyrosine kinase[J]. Cancer research, 1997, 57(21): 4838-4848.
[2]. Abdelgalil AA, Al-Kahtani HM, Al-Jenoobi FI. Erlotinib. Profiles Drug Subst Excip Relat Methodol. 2020;45:93-117.
[3]. Janine Smith. Erlotinib: small-molecule targeted therapy in the treatment of non-small-cell lung cancer. Clinical Therapeutics 2005; 27(10): 1513-1534.
[4]. Ali S, Banerjee S, Ahmad A, et al. Apoptosis-inducing effect of erlotinib is potentiated by 3, 3′-diindolylmethane in vitro and in vivo using an orthotopic model of pancreatic cancer[J]. Molecular cancer therapeutics, 2008, 7(6): 1708-1719.
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