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Representative flow cytometry analysis of HUCAC before expansion in the bioreactor system when labeled with antibodies against human antigens CD34, CD44, CD45, CD73, CD90, CD105. Analysis shows that cells were positive for CD44, CD73, CD90 and CD105 but negative for the surface markers CD34 and CD45. Open histograms show background signal; shaded histogram represents positive reactivity with the antibody indicated.
