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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

Cripto: a novel target for antibody-based cancer immunotherapy.

Cripto, a member of the epidermal growth factor-Cripto-FRL-Criptic (EGF-CFC) family, has been described recently as a potential target for immunotherapy (Adkins et al., J Clin Invest 2003;112:575-87). We have produced rat monoclonal antibodies (mAbs) to a Cripto 17-mer peptide, corresponding to the " EGF-like" motif of Cripto. The mAbs react with most cancers of the breast, colon, lung, stomach, and pancreas but do not react or react weakly with normal tissues. The mAbs inhibit cancer cell growth in vitro, and this effect was greater with cytotoxic drugs such as 5-fluorouracil, epirubicin, and cisplatin. The anti-Cripto mAbs prevent tumor development in vivo and inhibit the growth of established tumors of LS174T colon xenografts in Scid mice. The growth inhibitory effects with these mAbs may be greater than those described elsewhere, possibly because of IgM giving more effective cross-linking or binding to a different epitope ( EGF-like region versus CFC region). The mechanism of inhibitory effects of the Cripto mAbs includes both cancer cell apoptosis, activation of c-Jun-NH(2)-terminal kinase and p38 kinase signaling pathways and blocking of Akt phosphorylation. Thus, Cripto is a unique target, and mAbs to Cripto could be of therapeutic value for human cancers.[1]

References

  1. Cripto: a novel target for antibody-based cancer immunotherapy. Xing, P.X., Hu, X.F., Pietersz, G.A., Hosick, H.L., McKenzie, I.F. Cancer Res. (2004) [Pubmed]
 
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