A novel ErbB2 epitope targeted by humanantitumor immunoagents (Articolo in rivista)

Type
Label
  • A novel ErbB2 epitope targeted by humanantitumor immunoagents (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1111/j.1742-4658.2011.08041 (literal)
Alternative label
  • Troise F, Monti M, Merlino A, Cozzolino F, Fedele C, Russo Krauss I, Sica F,Pucci P, D'Alessio G, De Lorenzo C. (2011)
    A novel ErbB2 epitope targeted by humanantitumor immunoagents
    in The FEBS journal (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Troise F, Monti M, Merlino A, Cozzolino F, Fedele C, Russo Krauss I, Sica F,Pucci P, D'Alessio G, De Lorenzo C. (literal)
Pagina inizio
  • 1156 (literal)
Pagina fine
  • 1166 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 278 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 11 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 7 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Biologia Strutturale e Funzionale, Università di Napoli Federico II, Napoli, Italy (literal)
Titolo
  • A novel ErbB2 epitope targeted by humanantitumor immunoagents (literal)
Abstract
  • Two novel human antitumor immunoconjugates, engineered by fusion of a single-chain antibody fragment against human ErbB2 receptor, termed Erbicin, with either a human RNase or the Fc region of a human IgG(1) , are selectively cytotoxic for ErbB2-positive cancer cells in vitro and in vivo. These Erbicin-derived immunoagents (EDIAs) do not show the most negative properties of Herceptin, the only humanized mAb against ErbB2 used in the therapy of breast carcinoma: cardiotoxicity and the inability to act on resistant tumors. These differences are probably attributable to the different ErbB2 epitopes recognized by EDIAs and Herceptin, respectively, as we have previously reported that they induce different signaling mechanisms that control tumor and cardiac cell viability. Thus, to accurately identify the novel epitope recognized by EDIAs, three independent and complementary methodologies were used. They gave coherent results, which are reported here: EDIAs bind to a different ErbB2 epitope than Herceptin and the other human/humanized antibodies against ErbB2 reported so far. The epitope has been successfully located in region 122-195 of extracellular domain I. These findings could lead to the identification of novel epitopes on ErbB2 that could be used as potential therapeutic targets to mitigate anti-ErbB2-associated cardiotoxicity and eventually overcome resistance. (literal)
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