Borriello, Marianna (2010) A Novel Fully Human Antitumor ImmunoRNase Targeting ErbB2-Positive Tumors. [Tesi di dottorato] (Unpublished)


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Item Type: Tesi di dottorato
Resource language: English
Title: A Novel Fully Human Antitumor ImmunoRNase Targeting ErbB2-Positive Tumors
Date: 25 November 2010
Number of Pages: 39
Institution: Università degli Studi di Napoli Federico II
Department: Biologia strutturale e funzionale
Scuola di dottorato: Scienze biologiche
Dottorato: Biochimica e biologia cellulare e molecolare
Ciclo di dottorato: 23
Coordinatore del Corso di dottorato:
De Lorenzo,
Date: 25 November 2010
Number of Pages: 39
Keywords: antitumor; ImmunoRNase; ErbB2; Erb-hcAb-RNase
Settori scientifico-disciplinari del MIUR: Area 05 - Scienze biologiche > BIO/10 - Biochimica
Date Deposited: 09 Dec 2010 16:47
Last Modified: 30 Apr 2014 19:43
DOI: 10.6092/UNINA/FEDOA/7963

Collection description

A second generation anti-ErbB2 ImmunoRNase, called Erb-hcAb-RNase, was obtained by the fusion of Erb-hcAb, a human compact anti-ErbB2 antibody, with human pancreatic ribonuclease (HP-RNase or RNase 1). We show herein that Erb-hcAb-RNase retains the enzymatic activity of human pancreatic RNase and specifically binds to ErbB2-positive cells with an affinity comparable to that of the parental Erb-hcAb. Moreover, this novel immunoRNase is endowed with an effective and selective antiproliferative action for ErbB2-positive tumor cells both in vitro and in vivo. Its antitumor activity is more potent than that of the parental Erb-hcAb as the novel immunoconjugate has acquired RNase-based cytotoxicity in addition to the inhibitory growth effects, antibody-dependent and complement-dependent cytotoxicity of the compact antibody. Erb-hcAb-RNase could be a promising candidate for the immunotherapy of ErbB2-positive tumours as it combines the advantages of the first generation scFv-based immunoRNase with those of a fully functional antibody


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