Mujtahedi SS et al. just published a study in December, 2022, that showed there are several types of long-lived plasma cells contributing to autoimmunity [20], including CD19+/CD138+/CD38Hi (64.1%), CD19−/CD138+/CD38Hi (20.9%), CD19+/CD138−/CD38Hi(10.7%), and CD19−/CD138−/CD38Hi (4.3%), by different days of plasma cell culture. Here, CD19 is linked to Autoimmunity.