FEB 21, 2018 9:00 AM PST

Application of a Novel Cell Proliferation Biomarker in Cancer Drug Development: Immunoassay of Thymidine Kinase 1 in In-Vitro and In-Vivo Studies of Hematological and Solid Malignancies

Presented at: Drug Discovery 2018
Speaker
  • Business Development Manager at AroCell AB
    Biography
      Martin Shaw has been involved in the development, production and promotion of novel biomarker and laboratory diagnostics for many years.

      His particular interest is using his technical and scientific skills and knowledge to link research to the customer's needs.

      In the field of laboratory diagnostics, he has been involved in the development and promotion of several ground-breaking products including the first commercial assays for neonatal TSH, anti-gliadin IgA and a range of inflammatory biomarkers.

      In the drug discovery industry, Martin has worked widely with novel cell and tissue injury biomarkers and their application to toxicology and drug discovery.

      Martin has participated in industry-wide consortia on the qualification on biomarkers for use in preclinical toxicology studies and phase I clinical trials

      Martin has published several review articles on the application of biomarkers in drug discovery and he has lectured at many conferences, including twice being guest speaker at the FDA.

      Currently he is working with a novel exciting biomarker of cell proliferation - The AroCell TK 210 ELISA kit that has great potential as a biomarker of cell proliferation in preclinical drug development and clinical trials.

    Abstract

    There are many tumor biomarkers but, they mostly reflect tumor mass or past growth, when what is more important is to obtain an indication of future growth and therapy response.

    Proliferation biomarkers e.g. KI67, are mostly immunohistological biomarkers which limits their use. The ability to measure a proliferation biomarker in an easily available body fluid could reduce this problem and provide new opportunities for studying tumor growth and therapy response. 

    Thymidine Kinase 1 (TK1) has the potential to be such as biomarker. 

    This presentation will demonstrate how the immunoassay of TK1, using a unique monoclonal antibody directed against the TK 210 epitope (AroCell TK 210 ELISA) can provide new opportunities for the study of tumor growth, therapy response and in-vitro modelling of drug effects.

    Thymidine Kinase 1 (TK1) is a key enzyme in DNA synthesis and it is up-regulated in the S phase of cell growth. It is released into the extracellular medium and, eventually, the blood during cell turnover.

    TK1 enzyme activity has been used for many years as a biomarker for hematological malignancies but the complexity of the assay, plus the fact that much of serum TK1 is inactive has restricted its use, particularly for solid tumors. However, all TK1 forms express the TK 210 epitope.


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