Detection of renal brush border membrane enzymes for evaluation of renal injury in neonatal scleredema
Objective: To evaluate renal brush border membrane enzymes in urine as an indicator for renal injury in neonatal scleredema(NS).
Methods: Sixty nine NS patients in our hospital were enrolled and divided into mild group and moderate/severe group. Patients were further randomly divided into therapy and control subgroups for 7 days ligustrazine administration. Urine samples were collected to detect renal brush border membrane enzymes (RBBME) by ELISA and β2-microglobulin (β2-MG) by radioimmunoassay (RIA). The results were compared with those of 30 normal neonates. Data were statistically analyzed using SPSS13.0 software.
Results: Both RBBME and β2-MG were found to be higher in urine in NS patients than normal controls (P < 0.01). Level of RBBME increased with the severity of NS (P <0.05), while urinary β2-MG did not (P >0.05). After being treated with ligustrazine, a medicine for renal function recovery, both RBBME and β2-MG were similarly significantly decreased comparing to untreated groups (P < 0.05). 79.7% of NS patients showed abnormal RBBME while only 52.2% had an abnormal urinary β2-MG (χ2=11.65, P < 0.01).
Conclusion: RBBME was more sensitive than β2-MG in reflecting the renal injury in NS. Examination of RBBME effectively reflected the recovery of renal injury after treatment with ligustrazine.
How to cite this:Ren Q, Zhang Y, Yang J, Wei L, Zhao L, Yang Q. Detection of renal brush border membrane enzymes for evaluation of renal injury in neonatal scleredema. Pak J Med Sci 2015;31(1):65-69. doi: http://dx.doi.org/10.12669/pjms.311.5740
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