Research Article

Renal Transplant Patients Biopsied for Cause and Tested for C4d, DSA, and IgG Subclasses and C1q: Which Humoral Markers Improve Diagnosis and Outcomes?

Table 2

PE conjugated secondary antibodies for IgG subclass detection.

Secondary AbMFI [relative%]
IgG1 beadIgG2 beadIgG3 beadIgG4 beadIgM bead

IgG1-PE
1 µg/mL HP6001
9989 (100)341 (3)27 (0)3733 (37)1814 (18)
IgG2-PE
5 µg/mL HP6014
31 (0)11621 (100)576 (5)117 (1)556 (5)
IgG3-PE
5 µg/mL HP6050
19 (0)21 (0)10666 (100)307 (3)215 (2)
IgG4-PE
1 µg/mL HP6023
5 (0)113 (0)12 (0)28872 (100)50 (0)