Active TA (n=11) | Inactive TA (n=6) | SLE (n=9) | HD (n=9) | |
---|---|---|---|---|
Plasmablasts (ml) | 7800 (560–14 200) | 535 (300–1100) | 7800 (2260–56000) | 975 (447–2000) |
Antibody-secreting cells (ml) | 2800 (870–16800) | 875 (170–8800) | 8770 (2500–56000) | 1200 (190–1760) |
Naive B cells (ml) | 28000 (7540–178000) | 54000 (653–246000) | 10000 (1100–120000) | 110000 (50000–260000) |
Memory B cells (ml) | 78000 (6880–294000) | 18500 (7950–60000) | 6900 (260–33000) | 48000 (20000–86000) |
B cells (ml) | 123000 (15500–469000) | 92000 (1600–310000) | 40000 (2900–176000) | 16000 (70000–320000) |
Lymphocytes (nl) | 2 (0.276–4.2) | 1.31 (0.3–2) | 0.4 (0.07–1.7) | 1.74 (1.25–2.14) |
Values represent medians (range).
Plasmablasts: active TA vs inactive TA (p=0.0056), active TA vs HD (p=0.027), SLE vs HD (p<0.0001). Antibody-secreting cells: active TA vs HD (p=0.027), SLE vs HD (p<0.00001). Naive B cells: active TA vs HD (p=0.012), SLE vs HD (p=0.011). Memory B cells: inactive TA vs HD (p=0.049), SLE vs HD (p=0.0017); B cells: SLE vs HD (p=0.02). Lymphocytes: SLE vs HD (p=0.005).
HD, healthy donors; SLE, systemic lupus erythematosus; TA, Takayasu arteritis.