CD68 and chronic kidney disease: Concentrations of CD68+ macrophage‐derived (Mac‐) EVs and CD3+ T cell (T‐) EVs were increased 3‐ and 6‐fold respectively in CKD patients without dialysis compared to healthy donors, and Mac‐EVs were normalized in KTx patients to levels comparable to healthy donors (Mac‐EVs, Figure 2A).