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    Characterisation of lectin binding patterns of mouse bronchiolar and rat alveolar epithelial cells in culture

    McBride, Shirley and Tatrai, Erzsebet and Blundell, Renald and Kovacikova, Zuzana and Cardozo, Lorraine and Adamis, Zoltan and Smith, Tim and Harrison, David J. (2000) Characterisation of lectin binding patterns of mouse bronchiolar and rat alveolar epithelial cells in culture. Histochemical Journal, 32 (1). pp. 33-40. ISSN 0018-2214

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    Lung epithelial cell differentiation pathways remain unclear. This is due in part to the plasticity of these cells and the lack of markers which accurately reflect their differentiation status. The aim of this study was to determine if lectin binding properties are useful determinants of functional differentiation status in vitro. Mouse Clara cells were cultured for 5 days. During this time, no alteration in differentiation was evident by electron microscopy. No significant alteration in binding reactivity of Bauhinia purpurea (BPA), Maclura pomifera (MPA), Concanavalin A, Wheat germ or Helix pomatia lectins occurred in cultures compared with Clara cells in mouse lung tissue. In contrast, nitrotetrazolium blue reductase activity and CC10 expression declined in culture. Rat type II cells were cultured for 8 days. Between days 0 and 4, the number of type II cells identified by electron microscopy was constant at 70–80%, decreasing to 8% by day 6. In contrast, by day 4, only 42% cells retained alkaline phosphatase activity. BPA and MPA reactivity was altered at day 0 and day 4 respectively, compared with cells in situ. Therefore, the reactivity of lectins analysed here does not reflect functional differentiation status of cultured mouse Clara cells. However, BPA and MPA reactivity may be a sensitive indicator of alterations in rat type II cell differentiation in vitro.

    Item Type: Article
    Keywords: lectin binding patterns; mouse bronchiolar; rat alveolar; epithelial cells;
    Academic Unit: Faculty of Science and Engineering > Biology
    Item ID: 7414
    Depositing User: Dr. Shirley O'Dea
    Date Deposited: 31 Aug 2016 13:54
    Journal or Publication Title: Histochemical Journal
    Publisher: Kluwer Academic Publishers
    Refereed: Yes
      Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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