Abstract
Acute kidney injury (AKI) is a public health concern associated with high rates of mortality, even in milder cases. One of the reasons for the difficulty in managing AKI in patients is due to its association with pre-existing comorbidities, such as diabetes. In fact, diabetes increases the susceptibility to develop more severe AKI after renal ischemia. However, the long-term effects of this association are not known. Thus, an experimental model to evaluate the chronic effects of renal ischemia/reperfusion (IR) in STZ-treated mice was analyzed. We focused on the glomerular and tubulointerstitial damage, as well as kidney function and metabolic profile. It was found that pre-existing diabetes may potentiate progressive kidney disease after AKI, mainly by exacerbating pro-inflammatory and sustaining fibrotic responses and altering renal glucose metabolism. For our knowledge, this is the first report that highlights the long-term effects of renal IR on diabetes. The findings of this study can support the management of AKI in clinical practice.
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