ArticleAdvanced biomedical research2025
Acute Kidney Injury Secondary to Trauma Brain Injury (TBI) and the Role of Angiotensin-1-7.
Article in Advanced biomedical research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Incidence and risk factors of acute kidney injury among neurocritical patients in high-altitude regions: a retrospective cohort study.Frontiers in medicine · 2026Article
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8 authors.
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Abstract
Background: Acute kidney injury (AKI) following traumatic brain injury (TBI) can highly influence the patient's outcomes. The involvement of the renin-angiotensin system (RAS) and Angiotensin II (Ang-II) in inducing renal injury after stroke has been reported in different studies. This study evaluated, TBI's impact on kidney function/structure and the therapeutic potential of Angiotensin-1-7 (Ang-1-7). Materials and Methods: Thirty-two male Wistar rats were randomly assigned to four experimental groups including: Vehicle, TBI, Ang-1-7, and TBI+ Ang-1-7. Then blood urea nitrogen (BUN), creatinine (Cr), malondialdehyde (MDA), nitrite, and renal damage, based on the kidney tissue damage score (KTDS), were evaluated. Results: Traumatic brain injury induced significant renal dysfunction, evidenced by elevation in serum Cr levels in TBI group compared to vehicle group, P<0.05. Notably, this functional impairment occurred without observable histopathological damage in renal tissue sections stained with H&E. Therapeutic administration of Ang-1-7 post-TBI attenuated these effects in TBI+Ang-1-7 group, reducing Cr levels P<0.05. The treatment concurrently decreased oxidative stress, with (MDA) concentrations in TBI+Ang-1-7 group compared to TBI group. However, no significant differences were detected in serum BUN levels across experimental groups. Conclusion: TBI causes functional but not structural renal impairment, reversible with Ang-1-7 via Mas receptor activation.
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