The role of EGFR receptor family in the oncological practice

Méhes Gábor
Debreceni Egyetem ÁOK, Patológiai Intézet

The EGFR receptor family is a set of membrane tirosine kinase receptors with signifi cant homology which are responsible for cellular activation through intracellular signaling due to ligand binding. The four members of the family (EGFR1, EGFR2/HER2/neu, EGFR3/HER3, EGFR4/HER4) earned special interest in tumor biology while becoming one of the most potent targets of anti-cancer therapies. Changes in the receptor expression or in the kinase activity fundamentally modify cellular functions, survival and tumorigenic potential. Moreover, mutations are associated with reduced or altered treatment effi cacy. The basic function and major genetic and biological mechanisms affecting the function of EGFR receptors and related therapies are subjects of this overview.

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