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    Tenascin-C (TNC) and tenascin-W (TNW), large hexameric glycoproteins overexpressed in the tumor microenvironment, are useful tumor biomarkers for theranostic applications. For now, polyclonal and monoclonal antibodies, as well as aptamers targeting TNC and TNW have been developed. However, the immunostaining sensitivity of antibodies is very heterogenous. The main aim of this study was to generate antibodies in dromedary that detect TNC and TNW, respectively. We show that immune sera from immunized dromedaries are able to specifically bind native TNC and TNW by ELISA and also to detect TNC and TNW in matrix tracks of mammary tumors by immunostaining. Furthermore, we demonstrate that purified IgG subtypes are able to interact specifically with TNC or TNW by ELISA and immunostaining. These camelid antibodies are a good basis to develop tools for the detection of TNC and TNW in the tumor microenvironment and could potentially have a broader application for early diagnosis of solid cancers. Copyright © 2020 Elsevier Inc. All rights reserved.

    Citation

    Sayda Dhaouadi, Devadarssen Murdamoothoo, Asma Tounsi, William Erne, Rahma Benabderrazek, Zakaria Benlasfar, Lotfi Hendaoui, Ruth Chiquet-Ehrismann, Samir Boubaker, Gertraud Orend, Ismaïl Hendaoui, Balkiss Bouhaouala-Zahar. Generation and characterization of dromedary Tenascin-C and Tenascin-W specific antibodies. Biochemical and biophysical research communications. 2020 Sep 17;530(2):471-478

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    PMID: 32593416

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