| abstract |
A biomarker for renal failure that can be collected from urine or blood and that changes from the glomerular filtration rate and serum creatinine concentration at an earlier stage is identified, thereby developing a technique for diagnosing early renal failure. The method for analyzing blood, plasma, serum or urine of a subject suspected of having renal failure according to the present invention comprises [D-serine] and [L-serine] in the blood, plasma, serum or urine of the subject. Or the ratio of the concentration of the D-form to the concentration of the L-form of at least one amino acid pair of the group consisting of, etc., or the percentage of the concentration of the D-form relative to the sum of the concentrations of the D-form and the L-form Calculating as a disease state index value of the subject. [Selection figure] None |