Methods for siRNA-mediated reduction of mRNA and protein expression in human placental explants, isolated primary cells and cell lines.
Methods for siRNA-mediated reduction of mRNA and protein expression in human placental explants, isolated primary cells and cell lines.
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DOI:
10.1016/j.placenta.2008.10.003
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发表时间:
2009-02
期刊:
影响因子:
3.8
通讯作者:
Westwood, M.
中科院分区:
文献类型:
--
作者:
Forbes, K.;Desforges, M.;Garside, R.;Aplin, J. D.;Westwood, M.
关键词:
The use of RNA interference (RNAi) to deplete individual proteins from cells or tissue has revolutionised our ability to characterise gene function. The placenta is an attractive target for studies in which the role of specific proteins can be compared with cell culture models and explanted villous tissue where physiological function can be maintained ex vivo. In this study, we compared a variety of commercially available reagents and approaches to define methods for efficient delivery of siRNA to placental cells. Protocols optimised using fluorescently-labelled siRNA were subsequently tested using siRNA sequences that target placental alkaline phosphatase (PLAP), chosen because of its high abundance in trophoblast. mRNA abundance was assayed using qRT-PCR, and the effect on protein was examined using immunolocalisation. We report that different protocols are required for BeWo choriocarcinoma cells (nucleofection), primary cytotrophoblast cells (lipid-based transfection) and villous tissue explants (nucleofection). The results provide guidelines for optimal siRNA-mediated knockdown in these three models of the human placenta.
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通讯作者:
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