C9-Dpl

Product Description

Normal human serum depleted of complement C9 protein by immunoaffinity chromatography. The product is tested for the absence of C9 by functional assays for classical pathway activity and alternative pathway activity and for C9 protein by double immunodiffusion. C9-Dpl is certified to possess functional classical and alternative pathways for complement activation up to the step of C9 binding to C5b678 (Law, S.K.A. and Reid, K.B.M. (1995); Morgan, B.P. ed. (2000); Dodds, A.W. and Sim, R.B. editors (1997)). Functional complement systems can be reconstituted by addition of purified C9 protein (60 µg/mL) indicating that all other complement components necessary for complement activation are present. Note that the C5b678 complex has considerable hemolytic potential without C9 and therefore C9-Dpl is capable of lysing EA and most other cells directly without added C9 if activation is strong enough and if the concentration of depleted serum used is high enough.

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