Flow cytometric techniques for studying plasmacytoid dendritic cells in mixed populations.

Stacey L. Olshalsky, Patricia Fitzgerald-Bocarsly

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Plasmacytoid dendritic cells (PDCs) are the natural interferon (IFN-alpha)-producing cells in human peripheral blood that produce vast quantities of IFN-alpha in response to viral infection and other stimuli. PDCs are a rare cell type, making up less than 0.5% of peripheral blood mononuclear cells. To date, these cells have not been successfully cultured in vitro and are very sensitive to selection via magnetic bead labeling, making them very difficult to study as a purified population. Therefore, our laboratory has developed techniques to study PDCs in mixed populations. Using flow cytometry to label specific cell-surface markers, PDCs can be easily identified from other peripheral blood mononuclear cells or in mononuclear cell suspensions of lymphoid tissue. PDCs can also be permeabilized and stained for intracellular proteins or cytokines. Using surface and intracellular flow cytometry, phenotypic and functional aspects can be combined to accurately study PDCs in a mixed population of cells.

Original languageEnglish (US)
Pages (from-to)183-194
Number of pages12
JournalMethods in molecular medicine
Volume116
DOIs
StatePublished - 2005

All Science Journal Classification (ASJC) codes

  • Molecular Medicine

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