B-cell Precursors in Lymphocyte Screening Tubes:

You can isolate B-cell precursors in Lymphocyte Screening Tubes by gating CD19+ cells and looking at a CD38 vs CD45 plot, or CD19 vs CD45 plot.

The B-cell precursors are distinguished from mature B-cells by their lower expression of CD45 and their bright expression of CD38. They usually form three distinct clusters on the CD38 vs CD45 plot.

B cell Precursors Lymphocyte 1
B cell Precursors Lymphocyte 2
B cell Precursors Lymphocyte 3

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