alternative pathway of complement activation

alternative pathway of complement activation

a process of antigen-antibody interaction in which activation of the C3 step occurs without prior activation of C1, C4, and C2. The initiating substance may be endotoxin, yeast cell wall, bacterial capsule, or immunoglobulin A. See also properdin system.
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The progress made since our original investment in 2005 now allows us to develop multiple products to control the alternative pathway of complement activation.

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