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. Author manuscript; available in PMC: 2021 Nov 1.
Published in final edited form as: Pediatr Transplant. 2020 Aug 26;24(7):e13795. doi: 10.1111/petr.13795

Table 3:

Expression of circulating complement-regulatory proteins in infants, and comparison with adults.

Components Infants (% of adults) Time to reach adults levels References
C1 inhibitor (C1INH) 60% 1 month 45
Factor H 60% 1 year 46
Factor I 50% 1 year 46
C4 binding protein (C4BP) Very low 1 year 47