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    Functional expression of P-glycoprotein in primary cultures of human cytotrophoblasts and BeWo cells

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    Audus_AFD_Utoguchi et al Reprod Toxicol 2000.pdf (150.3Kb)
    Issue Date
    2000
    Author
    Utoguchi, Naoki
    Chandorkar, Gurudatt A.
    Avery, Michael
    Audus, Kenneth L.
    Publisher
    Elsevier
    Type
    Article
    Article Version
    Scholarly/refereed, author accepted manuscript
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    Abstract
    The objective of this study was to investigate the functional expression of the efflux transporter, P-glycoprotein (P-gp), in primary cultures of human cytotrophoblasts and BeWo cell monolayers. Uptake studies with primary cultures of human cytotrophoblasts or BeWo cells were conducted with calcein-AM and vinblastine (P-gp markers) or fluorescein (MRP marker) in the presence of specific P-gp or MRP inhibitors. Results showed that the accumulation of P-gp substrates calcein-AM and vinblastine by BeWo cells or primary cultures of human cytotrophoblasts was significantly enhanced in the presence of a typical P-gp inhibitor, cyclosporin-A, or other inhibitors such as quinidine, verapamil and dipyridamole. MRP inhibitors had no effect on the accumulation of calcein or fluorescein by BeWo cells. Western blots confirmed the presence of multidrug resistant gene product 1 (MDR1) in both, primary cultures of human cytotrophoblasts and BeWo cells. This study demonstrates functional P-gp in term human trophoblasts and further supports the use of primary cultures of human cytotrophoblasts and BeWo cells as in vitro models of the trophoblast to investigate mechanisms regulating drug distribution across the placenta.
    URI
    http://hdl.handle.net/1808/7497
    DOI
    https://doi.org/10.1016/S0890-6238(00)00071-X
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    • Pharmacy Scholarly Works [275]
    Citation
    Utoguchi, N., Chandorkar, G.A., Avery, M., and Audus, K.L. (2000) Functional expression of P-glycoprotein in primary cultures of human cytotrophoblasts and BeWo cells. Reprod. Toxicol. 14, 217-224. PMID: 10838122 http://dx.doi.org/10.1016/S0890-6238(00)00071-X

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    KU Libraries
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    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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