A. S Netrebenko - Belgorod National Research University, ۸۵ Pobeda St., Belgorod, ۳۰۸۰۱۵, Russia
V. V Gureev - Belgorod National Research University, ۸۵ Pobeda St., Belgorod, ۳۰۸۰۱۵, Russia
M. V Pokrovskii - Belgorod National Research University, ۸۵ Pobeda St., Belgorod, ۳۰۸۰۱۵, Russia
A. V Gureeva - Belgorod National Research University, ۸۵ Pobeda St., Belgorod, ۳۰۸۰۱۵, Russia
Y. M Tsuverkalova - Belgorod National Research University, ۸۵ Pobeda St., Belgorod, ۳۰۸۰۱۵, Russia
I. S Rozhkov - Belgorod National Research University, ۸۵ Pobeda St., Belgorod, ۳۰۸۰۱۵, Russia

Chronic kidney disease (CKD) or acute kidney injury (AKI) causes impaired kidney function, leading to cognitive impairment, neuropathy, and cerebrovascular disease. Due to kidney damage, toxins stay in the blood rather than leaving the body through the urine, and brain function is affected by kidney-brain interaction. The present study aimed to investigate the protective effects of erythropoietin mimetic peptide (pHBSP) and infliximab on ischemic renal reperfusion injury. The experiment was performed on ۷۰ white male Wistar laboratory rats which received recombinant erythropoietin, pHBSP, and infliximab. Under anesthesia, traumatic vascular clamps were applied to the left renal pedicle for ۴۰ min, and nephrectomy was performed on the right. Functional tests and laboratory tests were performed ۵ min and ۲۴ h after the reperfusion.  Thereafter, ۲۴ h after the surgery, the plasma creatinine and urea levels in the sham-operated animals were obtained at ۴۵.۹±۰.۸ mmol/L and ۶.۷±۰.۲ mmol/L, respectively. Plasma creatinine and urea levels in the control group animals were ۱۰۲.۶۳±۳.۶ mmol/L and ۲۱.۸۰±۱.۲۹ mmol/L, respectively. The administration of pHBSP and infliximab to the animals with ischemia-reperfusion kidney injury has a pronounced nephroprotective effect, as compared to erythropoietin. There was a significant decrease in blood levels of creatinine and urea, improvement of microcirculation in the kidney, normalization of glomerular filtration rate, and fractional sodium excretion. The results of the study demonstrated pointed to the prospects of pHBSP and infliximab administration in ischemia-reperfusion kidney injury and justified the feasibility of further research in this field.

Erythropoietin mimetic peptide (pHBSP), Infliximab, Ischemia-reperfusion kidney injury, rats, Microcirculation