In adolescents with iron disorders, positive correlations were found between the expression of miRNAs; miR-146a and miR-125b, and miR-122 and hepcidin, ferritin, iron, transferrin saturation, TAC, and haemoglobin; conversely, negative correlations were reported with sTfR, TIBs, AGP,hs-CRP, and TOS. Here, TFRC is linked to iron metabolism disease.