A fully synthetic therapeutic vaccine candidate targeting carcinoma-associated Tn carbohydrate antigen induces tumor-specific antibodies in nonhuman primates.
Cancer Res
; 64(14): 4987-94, 2004 Jul 15.
Article
en En
| MEDLINE
| ID: mdl-15256473
ABSTRACT
We recently developed an efficient strategy based on a fully synthetic dendrimeric carbohydrate display (multiple antigenic glycopeptide; MAG) to induce anticarbohydrate antibody responses for therapeutic vaccination against cancer. Here, we show the superior efficacy of the MAG strategy over the traditional keyhole limpet hemocyanin glycoconjugate to elicit an anticarbohydrate IgG response against the tumor-associated Tn antigen. We highlight the influence of the aglyconic carrier elements of such a tumor antigen for their recognition by the immune system. Finally, we additionally developed the MAG system by introducing promiscuous HLA-restricted T-helper epitopes and performed its immunological evaluation in nonhuman primates. MAGTn vaccines induced in all of the animals strong tumor-specific anti-Tn antibodies that can mediate antibody-dependent cell cytotoxicity against human tumor. Therefore, the preclinical evaluation of the MAGTn vaccine demonstrates that it represents a safe and highly promising immunotherapeutic molecularly defined tool for targeting breast, colon, and prostate cancers that express the carbohydrate Tn antigen.
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Banco de datos:
MEDLINE
Asunto principal:
Glicopéptidos
/
Antígenos de Carbohidratos Asociados a Tumores
/
Inmunoterapia Activa
/
Inmunoconjugados
/
Vacunas contra el Cáncer
/
Anticuerpos Antineoplásicos
Tipo de estudio:
Risk_factors_studies
Límite:
Animals
/
Humans
Idioma:
En
Revista:
Cancer Res
Año:
2004
Tipo del documento:
Article
País de afiliación:
Francia