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Overview of the complement system components relevant to the current work. Components in gray boxes are those for which serum measurements were made. Assayed elements were chosen to highlight pathway of activation (i.e., C4d for the classical and MBL pathways, Factor Bb for the alternative pathway), for assessing the total amount of activation (C3, C3a), and for the production of the peptide felt to be most physiologically relevant in this context, C5a. MBL = mannose-binding lectin.
