C1QA and chronic kidney disease: To verify the expression of IL10RA, CD45, CTSS, and C1QA in CKD, we treated kidney tissues with IHC and found that IL10RA, CD45, CTSS, and C1QA were all highly expressed in the CKD tissues compared with the control subjects, which is consistent with our bioinformatics prediction (Figures 7A–H).