Complement C5-9 deficiencies associated with gram -ve bacterial infections
C1q deficiency associated with Systemic Lupus Erythematous
C1 esterase deficiency present in Hereditary Angiodema
C4 low in Systemic Lupus Erythematous , T1DM, Cryoglobulinaemia
C2, C3 & C4 low in Rheumatoid Arthritis
C2 deficiency associated bacterial infections
Produced 2024