Role of cystatin C and beta-2microglobulin in the diagnosis of type 2 diabetic nephropathy
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Role of cystatin C and beta-2microglobulin in the diagnosis of type 2 diabetic nephropathy
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Received:
11 December 2024
Published:
17 December 2025
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Original Articles
Cystatin C
beta-2 microglobulin
diabetic nephropathy
type 2 diabetes
Authors
Hanane Boukrous
h.boukrous@univ-batna2.dz
Biochemistry Department, Batna University Hospital, Faculty of Medicine, Research Laboratory Constitutional or Acquired Genetic Diseases, Mustapha Benboulaid University, Batna 2, Algeria.
Rachida Derghal
Prevention and Epidemiological Service, Batna University Hospital, Algeria.
Ines Mezhoud
Biochemistry Department, Batna University Hospital, Faculty of Medicine, Research Laboratory Constitutional or Acquired Genetic Diseases, Mustapha Benboulaid University, Batna 2, Algeria.
Hanane Benaldjia
Prevention and Epidemiological Service university hospital center of Batna, Faculty of Medicine University Mustapha Benboulaid Batna 2., Algeria.
Noureddine Hacene Mallem
Private Medical Practice of Endocrinology, Batna, Algeria.
Mounir Djouimaa
Private Medical Practice of Endocrinology, Batna, Algeria.
Noureddine Abadi
Laboratory of Biochemistry and Genetics, Constantine University Hospital, Faculty of Medicine, Constantine University 3, Salah Boubnider, Algeria.
Nephropathy is one of the most frequent icrovascular complications of diabetes. It generates the most reserved prognosis since it increases the risk of end-stage renal failure. Despite microalbuminuria remains the gold test for the early detection of Diabetic Nephropathy (DN), the dosage of this parameter is insufficient to predict DN risks due to certain limitations. Therefore, there is a paradigm shift towards new biomarkers that may predict the risk of DN early and prevent the onset of end-stage renal disease. This study aims to compare the variation patterns of cystatin C (cys C) and beta-2 microglobulin (β2-M) with estimated Glomerular Filtration Rate (eGFR) for the early detection of DN in patients with type 2 diabetes (T2D), to assess the Albumin to Creatinine Ratio (ACR) and to search for risk factors for DN. A descriptive cross-sectional study was conducted on 368 diabetic patients and 90 no diabetic subjects in the hospital. The statistical analysis was performed using SPSS 22 software.
The prevalence of nephropathy was 41.29% in a predominantly women cohort with a mean age of 59 years. Correlation analyses and diagnostic performance evaluation using Receiver Operating Characteristic (ROC) curves, referencing a creatinine-based on eGFR threshold of <60 mL/min/1.73 m², demonstrated that cys C and ß2-M biomarkers exhibit superior sensitivity and specificity compared to the ACR for detecting impaired renal function. The results of this study demonstrated that serum cys C and ß2-M could be reported as effective early markers of diabetic nephropathy prediction.
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Role of cystatin C and beta-2microglobulin in the diagnosis of type 2 diabetic nephropathy. (2025).
Journal of Biological Research - Bollettino Della Società Italiana Di Biologia Sperimentale
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