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. Author manuscript; available in PMC: 2019 Jun 13.
Published in final edited form as: Immunol Res. 2017 Dec;65(6):1103–1109. doi: 10.1007/s12026-017-8961-8

Table 1.

Plasma levels of complement components in the MS and NMOSD

Complement
components
MS NMOSD References
RRMS PPMS SPMS
Classical
and lectin
pathways
C4a↑ in relapse
C3↓ in stable
MASP-2↑
C3↑ C4↑
C3↑
MASP-2↑
C1s ↑
C3a ↑
C4a ↓
[19, 21, 24, 25, 30, 32]
Terminal
pathway
C9↓ C9↓ C9↓ C5↑
SC5b-9↑
[19, 30, 32]
Inhibitors C1INH↑
Factor H ↑ in relapse
C1INH↑
Factor H ↑
C1INH↑
Factor H ↑
C1INH↑
Factor H ↑
[19, 28, 30]