Figure 1From: Increased levels of prolactin receptor expression correlate with the early onset of lupus symptoms and increased numbers of transitional-1 B cells after prolactin treatmentPurification of B cell subsets by flow cytometry. B cells were purified by negative selection from 9-week-old mice. Splenic cells were incubated with different antibodies (anti-CD19, anti-CD93, anti-CD21, anti-CD23, and anti-IgM), and the different B cell subsets were purified by flow cytometry as detailed in the Methods section. The purity of the collected populations oscillated between 95% and 98%. A representative example of the purified B cells from wild-type C57BL/6 mice is shown.Back to article page