Risitano AM. PNH and complement gene variants. Blood. 2023;141(15):1780-1782.

Page 1781, third column: In the sentence “Endogenous, physiologic regulation of the complement cascade is based on both fluid-phase proteins (CFH and CR1) and membrane-bound proteins (monocyte chemoattractant protein, CD55, and CD59),” the term “monocyte chemoattractant protein” should read “membrane cofactor protein.”