HER1 vaccine: An autologous EGFR vaccine candidate to treat epithelial tumors

Belinda Sánchez, Yeranddy Aguiar, Diana R. Hernández, Greta Garrido, Rolando Pérez, Luis E. Fernández

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

4 Citas (Scopus)


The Epidermal Growth Factor Receptor (EGFR) plays an essential role in regulating neoplastic processes. EGFR overexpression in many human epithelial tumors has been correlated with disease progression and bad prognosis. Passive EGFR-directed immunotherapy has been introduced in medical oncology practice, but no active specific approaches have been used. We designed a vaccine candidate based on the extracellular domain (ECD) of human EGFR (HER1), and the homologous vaccine for mice based on murine EGFR. This vaccine candidate uses the Very Small-Sized Proteoliposomes from Neisseria meningitidis (VSSP) and Montanide ISA 51-VG as adjuvants. The autologous vaccine circumvents the tolerance to self EGFR by inducing a specific immune response with an anti-metastatic effect on EGFR+ tumors. The vaccine candidate based on HER1-ECD induced anti-EGFR polyclonal antibodies (PAb) that bind EGFR + human tumor cell lines from different tissues. These anti-EGFR PAb abrogate ligand-dependent EGFR phosphorylation, provoking the inhibition of tumor cell growth and apoptosis. Preclinical results further encouraged the evaluation of the HER1 vaccine candidate in phase I clinical trials.

Idioma originalInglés
Páginas (desde-hasta)342-344
Número de páginas3
PublicaciónBiotecnologia Aplicada
EstadoPublicada - oct. 2009
Publicado de forma externa


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