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    In vivo administration of genistein has no effect on small intestinal epithelial proliferation and apoptosis, but a modest effect on clonogen survival.

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    Authors
    Booth, Catherine
    Hargreaves, Danielle F
    O'Shea, Julie A
    Potten, Christopher S
    Affiliation
    CRC Epithelial Biology Group, Cell and Tissue Biology, Paterson Institute for Cancer Research, Christie Hospital NHS Trust, Manchester, UK. cbooth@picr.man.ac.uk
    Issue Date
    1999-10-01
    
    Metadata
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    Abstract
    The soya metabolite genistein possesses anti-proliferative, pro-apoptotic activities in intestinal epithelial cells in vitro and may reduce epithelial cancer incidence. This could involve cell cycle arrest/apoptosis in the proliferative or clonogenic cells. We investigated the effects of genistein on the small intestinal epithelium in vivo. No effect on the number or distribution of proliferative cells in the crypts was detected. Similarly, no change in spontaneous apoptotic cell incidence or the characteristic stem cell apoptotic response following low dose irradiation was observed. Genistein afforded a modest decrease in clonogen radiosensitivity. Hence, using a range of dosing protocols, sub-cutaneous administration of genistein for periods of up to 1 week did not alter intestinal epithelial homeostasis.
    Citation
    In vivo administration of genistein has no effect on small intestinal epithelial proliferation and apoptosis, but a modest effect on clonogen survival. 1999, 144 (2):169-75 Cancer Lett.
    Journal
    Cancer Letters
    URI
    http://hdl.handle.net/10541/90789
    DOI
    10.1016/S0304-3835(99)00220-7
    PubMed ID
    10529017
    Type
    Article
    Language
    en
    ISSN
    0304-3835
    ae974a485f413a2113503eed53cd6c53
    10.1016/S0304-3835(99)00220-7
    Scopus Count
    Collections
    All Paterson Institute for Cancer Research

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