Isolation of antigen-specific B cells

Aruna P Kodituwakku1, Claire Jessup, Heddy Zola

  • 1Department of Paediatrics, University of Adelaide, Women's and Children's Hospital, North Adelaide, South Australia, Australia.

Cell separation techniques are important in immunology. Major cell populations can be separated successfully with high purity. However, isolation of cells which are specific for particular antigens is more challenging because of the relatively small numbers of antigen-specific cells, and the lack of independent markers available to determine the purity of the isolated population. In this review, the literature describing three principal techniques used to separate antigen-specific cells has been reviewed. Particular emphasis has been placed on yield and purity; the two most important parameters of any purification method. The most promising isolation methods have used immunomagnetic sorting and multiparametric flow cytometric analysis.

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