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  1. Article

    Open Access

    p70S6K/Akt dual inhibitor DIACC3010 is efficacious in preclinical models of gastric cancer alone and in combination with trastuzumab

    The PI3K-Akt-mTOR (PAM) pathway is implicated in tumor progression in many tumor types, including metastatic gastric cancer (GC). The initial promise of PAM inhibitors has been unrealized in the clinic, presum...

    Shota Fukuoka, Yoshikatsu Koga, Mayumi Yamauchi, Shigehiro Koganemaru in Scientific Reports (2023)

  2. Article

    Open Access

    High expression of TMEM180, a novel tumour marker, is associated with poor survival in stage III colorectal cancer

    Transmembrane protein 180 (TMEM180) is a newly identified colorectal cancer (CRC)-specific molecule that is expressed very rarely in normal tissue and up-regulated under hypoxic conditions. We developed a mono...

    Takuya Shiraishi, Koji Ikeda, Yuichiro Tsukada, Yuji Nishizawa in BMC Cancer (2021)

  3. No Access

    Chapter

    Preclinical Studies of ADC Therapy for Solid Tumors

    Antibody engineering technologies that allow genetic modification of murine antibodies to produce chimeric mouse-human antibodies, or humanized antibodies, have led to the development of new therapeutic regime...

    Yoshikatsu Koga, Ryo Tsumura in Cancer Drug Delivery Systems Based on the … (2019)

  4. Article

    Open Access

    Molecular imaging using an anti-human tissue factor monoclonal antibody in an orthotopic glioma xenograft model

    Nuclear medicine examinations for imaging gliomas have been introduced into clinical practice to evaluate the grade of malignancy and determine sampling locations for biopsies. However, these modalities have s...

    Hiroki Takashima, Atsushi B. Tsuji, Tsuneo Saga, Masahiro Yasunaga in Scientific Reports (2017)

  5. Article

    Open Access

    Imaging mass spectrometry for the precise design of antibody-drug conjugates

    Antibody-drug conjugates (ADCs) are a class of immunotherapeutic agents that enable the delivery of cytotoxic drugs to target malignant cells. Because various cancers and tumour vascular endothelia strongly ex...

    Yuki Fujiwara, Masaru Furuta, Shino Manabe, Yoshikatsu Koga in Scientific Reports (2016)

  6. Article

    Open Access

    The significance of microscopic mass spectrometry with high resolution in the visualisation of drug distribution

    The visualisation and quantitative analysis of the native drug distribution in a pre-clinical or clinical setting are desirable for evaluating drug effects and optimising drug design. Here, using matrix-assist...

    Masahiro Yasunaga, Masaru Furuta, Koretsugu Ogata, Yoshikatsu Koga in Scientific Reports (2013)

  7. Article

    Open Access

    Mutation analysis of Rad18 in human cancer cell lines and non small cell lung cancer tissues

    Genetic instability is known as a cause of oncogenesis. Though Rad18 is reported to function in a post replication mismatch repair system, the relation between the status of Rad18 and human tumorigenesis has n...

    Tadahiko Nakamura, Shinji Ishikawa in Journal of Experimental & Clinical Cancer … (2009)