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  • Targeting Hypoxic Tumor Cell Viability with Carbohydrate-Based Carbonic Anhydrase IX and XII Inhibitors

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    Author(s)
    Morris, Jason C
    Chiche, Johanna
    Grellier, Caroline
    Lopez, Marie
    Bornaghi, Laurent F
    Maresca, Alfonso
    Supuran, Claudiu T
    Pouyssegur, Jacques
    Poulsen, Sally-Ann
    Griffith University Author(s)
    Poulsen, Sally-Ann
    Year published
    2011
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    Abstract
    Carbonic anhydrase (CA) enzymes, specifically membrane-bound isozymes CA IX and CA XII, underpin a pH-regulating system that enables hypoxic tumor cell survival and proliferation. CA IX and XII are implicated as potential targets for the development of new hypoxic cancer therapies. To date, only a few small molecules have been characterized in CA-relevant cell and animal model systems. In this paper, we describe the development of a new class of carbohydrate-based small molecule CA inhibitors, many of which inhibit CA IX and XII within a narrow range of low nanomolar Ki values (5.3-11.2 nM). We evaluate for the first time ...
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    Carbonic anhydrase (CA) enzymes, specifically membrane-bound isozymes CA IX and CA XII, underpin a pH-regulating system that enables hypoxic tumor cell survival and proliferation. CA IX and XII are implicated as potential targets for the development of new hypoxic cancer therapies. To date, only a few small molecules have been characterized in CA-relevant cell and animal model systems. In this paper, we describe the development of a new class of carbohydrate-based small molecule CA inhibitors, many of which inhibit CA IX and XII within a narrow range of low nanomolar Ki values (5.3-11.2 nM). We evaluate for the first time carbohydrate-based CA inhibitors in cell-based models that emulate the protective role of CA IX in an acidic tumor microenvironment. Our findings identified two inhibitors (compounds 5 and 17) that block CA IX-induced survival and have potential for development as in vivo cancer cell selective inhibitors.
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    Journal Title
    Journal of Medicinal Chemistry
    Volume
    54
    Issue
    19
    DOI
    https://doi.org/10.1021/jm200892s
    Copyright Statement
    This document is the Accepted Manuscript version of a Published Work that appeared in final form in Journal of Medicinal Chemistry, copyright 2011 American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://dx.doi.org/10.1021/jm200892s.
    Subject
    Medicinal and biomolecular chemistry
    Biologically active molecules
    Organic chemistry
    Pharmacology and pharmaceutical sciences
    Publication URI
    http://hdl.handle.net/10072/42424
    Collection
    • Journal articles

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