• C Mertoglu, Z C Ozmen, F Firat, A Arici, V Unsal, and F Erdemir.
• Bratisl Med J. 2020 Jan 1; 121 (8): 565-570.

ObjectivesThe effectiveness of the myo-inositol oxygenase (MIOX) enzyme was investigated in the diagnosis of acute kidney injury (AKI).MethodsIn total, 40 rats were divided into 5 groups (n = 8, for each group) while left kidney ischemia-reperfusion was implemented in groups 2, 3, 4 and 5. Group 1 was the control group. Group 2 underwent 1‑hour ischemia and 2‑hour reperfusion. Group 3 underwent 1‑hour ischemia and 4‑hour reperfusion. Group 4 underwent 2‑hour ischemia and 2‑hour reperfusion. Group 5 underwent 2‑hour ischemia and 4‑hour reperfusion.ResultsSerum creatinine and blood urea nitrogen levels in all ischemia-reperfusion groups were higher than in the control group (p<0.001). Serum MIOX level was higher in groups 2, 3 and 4 than in group 1 (p=0.002). Tissue MIOX level was lower in groups 2, 4, and 5 than in group 1 (p=0.039). Serum and tissue neutrophil gelatinase-associated lipocalin levels were not significantly different between the groups. The injury level in histopathologic examination was as follows: group 1ConclusionThe serum MIOX level increases in the early stages of AKI, however, decreases subsequently. Therefore, the serum MIOX may be a potential promising biomarker in the early diagnosis of AKI (Tab. 5, Fig. 6, Ref. 30).

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