Some aspects of the invention include methods of treating a patient who has or is at risk of developing kidney disease, methods of selecting a suitable regimen for the prevention or treatment of kidney disease, and to methods of monitoring the effectiveness of a treatment regimen for the prevention or treatment of kidney disease. Other aspects of the invention include medical uses of a binding partner for an anti-IQCJ antibody, and methods of preventing or treating kidney disease in a subject using such binding partners. Still other aspects of the invention include devices for the extracorporeal treatment of a patients blood.
