SLC9A3 and acute kidney injury: A comprehensive plasma exosome panel for intensive care could include exosomal IL-6 and IL-10 for inflammation, PD-L1 or miR-146a for immunosuppression status, miR-122 for liver injury, NHE3 or miR-21-5p for AKI, and bacterial vesicle components to confirm infection[3,5].