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Table 1 Levels of immunoglobulin and blood and urinary BK virus in HSCT recipient

From: Polyclonal gammopathy after BKV infection in HSCT recipient: a novel trigger for plasma cells replication?

Day post transplant IgG* mg/dl IgA mg/dl IgM mg/dl BKV viruria (cp/ml) BKV viremia (cp/ml)
Pre-BMT 320 4 2 1,9×1010 8,3×104
+15 305 3 0 1,8×109 4,4×105
+94 1324 9 15 4,5×1010 1,9×106
+98 1166 8 23 3,0×109 4,2×105
+107 784 6 185 8,0×108 3,7×105
+114 1009 5 304 8,2×107 1,1×105
+125 882 7 393 7,9×107 5,4×103
+127 617 5 269 1,9×108 2,0×104
+134 845 7 189 9,0×107 2,9×104
+142 960 123 180 2,0×107 2,0×105
+150 657 70 248 Not performed Not performed
  1. The table shows IgG, IgM, IgA levels after BKV reactivation, three months after transplantation in a 15-y-old female suffering from common B-cell acute lymphoblastic leukemia. IgM levels rise concurrently to BKV viremia and viruria. *IgG immunoglobulins therapy has been administered.