Urinary CD4 T cells identify SLE patients with proliferative lupus nephritis and can be used to monitor treatment response

Philipp Enghard^*, Claudia Rieder, Katharina Kopetschke, J. R. Klocke, Reinmar Undeutsch, Robert Biesen, Duska Dragun, Maik Gollasch, Udo Schneider, Karlfried Aupperle, Jens Y. Humrich, Falk Hiepe, Marina Backhaus, A. H. Radbruch, Gerd R. Burmester, Gabriela Riemekasten