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Abstract Title:

Glutamine alleviates the renal dysfunction associated with gentamicin-induced acute kidney injury in Sprague-Dawley rats.

Abstract Source:

Biotechnol Appl Biochem. 2021 Jan 18. Epub 2021 Jan 18. PMID: 33458886

Abstract Author(s):

Feng Zhan, Xiang Wang, Jun Zhang, Shengyang Yi, Ping He

Article Affiliation:

Feng Zhan

Abstract:

Sepsis is a clinical condition caused by an uncontrolled response to an infection, leading to acute kidney injury (AKI) and an increased risk of mortality. Although life support and antibiotic therapy are available, the mortality rate remains high in patients with sepsis. The present study investigated the therapeutic effect of glutamine on gentamicin-induced acute kidney injury in Sprague-Dawley rats. We randomly grouped 24 male rats to the normal control, AKI (control), glutamine 50 mg/kg, and glutamine 500 mg/kg groups. The dose was administered orally for 14 consecutive days. Rats treated with glutamine 500 mg/kg showed changes in systolic blood pressure. Glutamine increased renal blood flow, creatinine clearance, and the levels of potassium, creatinine, blood urea nitrogen, and urine osmolality, while reducing the relative excretion of sodium, potassium, urinary sodium, and plasma blood urea nitrogen and creatinine levels. In our study, glutamine supplementation reduced gentamicin-induced oxidative stress and increased catalase, superoxide dismutase, glutathione peroxidase, and glutathione levels in AKI rats. In addition, glutamine supplementation attenuated the severity of pathological features in this model. Collectively, our results showed that gentamicin has therapeutic potential against gentamicin-induced AKI due to its ability to mitigate the effects of oxidative stress.

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