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    Online Resource
    American Association for Cancer Research (AACR) ; 2012
    In:  Cancer Research Vol. 72, No. 8_Supplement ( 2012-04-15), p. 519-519
    In: Cancer Research, American Association for Cancer Research (AACR), Vol. 72, No. 8_Supplement ( 2012-04-15), p. 519-519
    Abstract: Identification of breast cancer-specific antigens may promote development of safe and successful immunotherapy of breast cancer. Caprin-1 has been known to be an intracellular protein related to cell proliferation as a function, but it has not been reported to be a target for the treatment of cancer. Here we report that this molecule is a novel breast cancer antigen which can be targeted for antibody therapy. Caprin-1 is highly expressed in at least 70% of breast cancers based on the results of immunohistochemical staining of human several breast cancer tissues, but hardly expressed in human normal tissues. Importantly, a part of this molecule is highly expressed in extracellular region of many breast cancer cells. A mouse monoclonal antibody raised against the extracellular domain of Caprin-1 showed anti-tumor effects in all tumor-bearing mouse models in which various cancer cells expressing Caprin-1 were implanted. The monoclonal antibody induced complete regression in one of the tumor-bearing models. Humanized antibody has been prepared and preclinical studies are currently underway. Citation Format: {Authors}. {Abstract title} [abstract]. In: Proceedings of the 103rd Annual Meeting of the American Association for Cancer Research; 2012 Mar 31-Apr 4; Chicago, IL. Philadelphia (PA): AACR; Cancer Res 2012;72(8 Suppl):Abstract nr 519. doi:1538-7445.AM2012-519
    Type of Medium: Online Resource
    ISSN: 0008-5472 , 1538-7445
    RVK:
    RVK:
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2012
    detail.hit.zdb_id: 2036785-5
    detail.hit.zdb_id: 1432-1
    detail.hit.zdb_id: 410466-3
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