ACKR2 and systemic lupus erythematosus: Given the unknown contribution of ACKR2 to organ damage caused by systemic autoimmune disease like SLE we compared inflammatory injury and systemic autoimmune responses in wildtype (WT) and Ackr2-deficient lupus-prone B6lpr mice to explore potential anti-inflammatory or systemic autoimmunity-augmenting functions of ACKR2.