3.5

CiteScore

2.3

Impact Factor
  • ISSN 1674-8301
  • CN 32-1810/R
Kannan Sridharan, Shamik Shah, Mona Al Hammad, Fatima Ali Mohammed, Sindhan Veeramuthu, Mona Abdulla Taher, Mustafa Mohamed Hammad, Lamees Jawad, Eman Farid. Correlations between serum kidney injury molecule-1, cystatin C and immunosuppressants: A cross-sectional study of renal transplant patients in Bahrain[J]. The Journal of Biomedical Research. DOI: 10.7555/JBR.37.20220211
Citation: Kannan Sridharan, Shamik Shah, Mona Al Hammad, Fatima Ali Mohammed, Sindhan Veeramuthu, Mona Abdulla Taher, Mustafa Mohamed Hammad, Lamees Jawad, Eman Farid. Correlations between serum kidney injury molecule-1, cystatin C and immunosuppressants: A cross-sectional study of renal transplant patients in Bahrain[J]. The Journal of Biomedical Research. DOI: 10.7555/JBR.37.20220211

Correlations between serum kidney injury molecule-1, cystatin C and immunosuppressants: A cross-sectional study of renal transplant patients in Bahrain

  • Renal transplant patients receive several immunosuppressive drug regimens that are potentially nephrotoxic for treatment. Serum creatinine is the standard for monitoring kidney function; however, cystatin C (Cys C) and kidney injury molecule-1 (KIM-1) have been found to indicate kidney injury earlier than serum creatinine and provide a better reflection of kidney function. Here, we assessed Cys C and KIM-1 serum levels in renal transplant patients receiving mycophenolate mofetil, tacrolimus, sirolimus, everolimus, or cyclosporine to evaluate kidney function. We used both the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) 2021 equation, which is based on creatinine and combined creatinine with Cys C, and the CKD-EPI 2012 equation, which is based on Cys C alone, to estimate glomerular filtration rate (GFR). Then, we assessed the association between serum KIM-1 and GFR < 90 mL/(min·1.73 m2). We observed significantly higher serum Cys C levels in patients with the elevated serum creatinine, compared with those with normal serum creatinine. The estimated GFRs based on creatinine were significantly higher than those based on the other equations, while a significant positive correlation was observed among all equations. Serum KIM-1 levels were negatively correlated with the estimated GFRs by the CKD-EPI Cys C and the combined creatinine with Cys C equations. A serum KIM-1 level above 0.71 ng/mL is likely to indicate GFR < 90 mL/(min·1.73 m2). We observed a significant correlation between serum creatinine and Cys C in our renal transplant patients. Therefore, serum KIM-1 may be used to monitor renal function when using potentially nephrotoxic drugs in renal transplants.
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