Article 1 CCN2 protein, human 1 CTGF 1 Connective Tissue Growth Factor 1 Creatinine 1 Diabetic Nephropathies 1 Gene Expression Regulation 1 Homocysteine 1 Hsa_circRNA_102682 1 Humans 1 Hyperhomocysteinemia 1 Middle Aged 1 RNA analysis 1 RNA, Circular 1 ROC Curve 1 TGF-β 1 Transforming Growth Factor beta 1 abnormal substrate concentration in blood adult 1 blood 1 circular RNA 1 circular ribonucleic acid 1 connective tissue growth factor 1 controlled study 1 creatinemia 1 creatinine 1 creatinine blood level 1 diabetic hyperhomocysteinemia 1 diabetic nephropathy 1 diagnostic test accuracy study 1