Table 1.

Numbers and frequency of nonsynonymous polymorphisms in the coding areas of 12 complement and coagulation related genes

HGNC symbolVariant effectsNo. of nonsynonymous polymorphismsPatients, % (n)
Complement-dependent genes    
C3 Gain of complement activation 15 (6) 
C3AR1 Gain of complement activation? 7.5 (3) 
C5 Loss of complement activation with a propensity for severe recurrent infection; also linked to a susceptibility to liver fibrosis and to rheumatoid arthritis 14 87.5 (35) 
CFHR5 Loss of complement regulation 27.5 (11) 
CFH Loss of complement regulation 13 97.5 (39) 
CFI Loss of complement regulation 100 (40) 
MCP Loss of complement regulation 2.5 (1) 
Complement-independent genes    
ADAMTS13 Deficiency associated with TTP 15 80 (32) 
PLG Reduced fibrinolytic activity 57.5 (23) 
INF2 Unknown; associated with FSGS and nephrotic syndrome 17.5 (7) 
THBD Possibly loss of complement regulation (reduced cofactor activity) and procoagulant state (diminished activation of TFPI) 22.5 (9) 
DGKE Upregulation of prothrombotic factors and downregulation of VEGFR2 signaling 7.5 (3) 
HGNC symbolVariant effectsNo. of nonsynonymous polymorphismsPatients, % (n)
Complement-dependent genes    
C3 Gain of complement activation 15 (6) 
C3AR1 Gain of complement activation? 7.5 (3) 
C5 Loss of complement activation with a propensity for severe recurrent infection; also linked to a susceptibility to liver fibrosis and to rheumatoid arthritis 14 87.5 (35) 
CFHR5 Loss of complement regulation 27.5 (11) 
CFH Loss of complement regulation 13 97.5 (39) 
CFI Loss of complement regulation 100 (40) 
MCP Loss of complement regulation 2.5 (1) 
Complement-independent genes    
ADAMTS13 Deficiency associated with TTP 15 80 (32) 
PLG Reduced fibrinolytic activity 57.5 (23) 
INF2 Unknown; associated with FSGS and nephrotic syndrome 17.5 (7) 
THBD Possibly loss of complement regulation (reduced cofactor activity) and procoagulant state (diminished activation of TFPI) 22.5 (9) 
DGKE Upregulation of prothrombotic factors and downregulation of VEGFR2 signaling 7.5 (3) 

FSGS, focal segmental glomerulosclerosis; TFPI, tissue factor pathway inhibitor; VEGFR2, vascular endothelial growth factor receptor 2.

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