Key Points Abnormal B-cell phenotype in acute iTTP with decreased transitional and post–germinal center memory cells and increased plasmablasts. Decreased total and PD1+ circulating T-follicular helper cells and changes in… Click to show full abstract
Key Points Abnormal B-cell phenotype in acute iTTP with decreased transitional and post–germinal center memory cells and increased plasmablasts. Decreased total and PD1+ circulating T-follicular helper cells and changes in B-cell CD80 expression suggest altered B- and T-cell interactions.
               
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