TABLE 1

Opsonin concentrations in commercially available depleted sera

Type of serumManufacturerConcn (ng/ml)
MBLFicolin-1Ficolin-2Ficolin-3
Normal human serumNAa362553,60030,000
C1q-depleted serumA36280<6416,800
C1q-depleted serumB56300<6415,900
C1q-depleted serumC442656418,600
C2-depleted serumC52200<6415,000
C3-depleted serumC44175<6416,800
C4-depleted serumC26140<6418,000
fB-depleted serumC1625<6415,900
  • a NA, not applicable.