Mixing CD138-positive with CD138-negative cells from the same sample at a ratio of 1:1 can be sufficient to perform OGM. Since OGM typically requires 1 million cells, this finding suggests that as ...

Cells were analyzed based on the expression of CD19, CD38, and CD138, key markers for distinguishing plasma cell subsets. ELISpot tests measured immunoglobulin A (IgA) and IgG titers. To verify ...