A CpG oligodeoxynucleotide potentiates the anti-tumor effect of HSP65-Her2 fusion protein against Her2 positive B16 melanoma in mice.

Although being promising tumor vaccine candidates in animal models, heat shock protein (HSP)-based tumor vaccines have not yet succeeded in the clinical trials, implying the necessity to be formulated with appropriate adjutants to enhance their immunogenicity. In this study, we investigated whether a B-class CpG ODN (BW006), a TLR9 agonist, could facilitate HSP65-Her2, a recombinant protein between mycobacterial HSP65 and Her2-derived peptide, to induce vigorous anti-tumor activity against Her2 positive tumors in mice both prophylactically and therapeutically. It was found that BW006 could enhance prophylactic and therapeutic effect of HSP65-Her2 with improved survival of the mice bearing Her2(+) B16 melanoma and HSP65-Her2 specific Th1 response. Copyright © 2011 Elsevier B.V. All rights reserved.

Citation

Youyou Yan, Zhao Cao, Ming Yang, He Li, Hongfei Wei, Yao Fu, Dandan Song, Liying Wang, Yongli Yu. A CpG oligodeoxynucleotide potentiates the anti-tumor effect of HSP65-Her2 fusion protein against Her2 positive B16 melanoma in mice. International immunopharmacology. 2012 Feb;12(2):402-7

PMID: 22222115

search → result