EGFR inhibitor PF-00299804

Definition / meaning of EGFR inhibitor PF-00299804

A orally bioavailable, highly selective, second-generation small-molecule inhibitor of the pan-epidermal growth factor receptor (EGFR) family of tyrosine kinases (ErbB family) with potential antineoplastic activity. EGFR inhibitor PF-00299804 specifically and irreversibly binds to and inhibits human EGFR subtypes, resulting in inhibition of proliferation and induction of apoptosis in EGFR-expressing tumor cells. EGFRs play major roles in tumor cell proliferation and tumor vascularization, and are often overexpressed or mutated in various tumor cell types.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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