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In vivo detection of cancer cells with immunoconjugated fluorescent probes by macro zoom microscopy and two-photon microscopy

机译:宏观变焦显微镜和双光子显微镜在体内检测免疫共轭荧光探针对癌细胞的影响

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摘要

We developed a near infrared fluorophore-conjugated anti-Carcinoembryonic antigen (CEA) antibody for mice bearing tumor of CEA expressing cells, and demonstrated in vivo optical imaging by macro zoom microscopy. In the result, tumors of CEA-expressing cancer cells were specifically detected in vivo. Furthermore, cancer-specific fluorescence images were acquired at subcellular level in vivo by two-photon microscopy. In preclinical applications, the lymph node micrometastasis was also successfully visualized by two-photon microscopy. These results suggest that two-photon excitation microscopy in combination with an immunoconjugated probe could be widely adapted to cancer detection in clinical settings.
机译:我们为携带CEA表达细胞肿瘤的小鼠开发了近红外荧光团缀合的抗癌胚抗原(CEA)抗体,并通过宏观变焦显微镜证实了体内光学成像。结果,在体内特异性检测了表达CEA的癌细胞的肿瘤。此外,通过双光子显微镜在体内亚细胞水平获得了癌症特异性荧光图像。在临床前应用中,还通过双光子显微镜成功观察了淋巴结微转移。这些结果表明,双光子激发显微镜结合免疫偶联探针可以广泛应用于临床环境中的癌症检测。

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  • 来源
  • 会议地点 San Francisco CA(US)
  • 作者单位

    Gastrointestinal Surgery and Surgical Oncology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan;

    Dep. of Molecular Medicine for Pathogenesis, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan;

    Dep. of Molecular Medicine for Pathogenesis, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan;

    Gastrointestinal Surgery and Surgical Oncology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan;

    Gastrointestinal Surgery and Surgical Oncology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan;

    Gastrointestinal Surgery and Surgical Oncology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan;

    Division of Bio-imaging, Proteo-Science Center, Ehime University/ Ehime, Shitsukawa, Toon, Ehime 791-0295, Japan;

    Gastrointestinal Surgery and Surgical Oncology, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan;

    Dep. of Molecular Medicine for Pathogenesis, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime 791-0295, Japan;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    CEA; cancer imaging; multiphoton microscopy; fluorescent probe;

    机译:CEA;癌症影像;多光子显微镜荧光探针;
  • 入库时间 2022-08-26 13:45:17

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