ArticleBiomolecules2026
Alpha-1 Antitrypsin Protects Against Cisplatin-Induced Acute Kidney Injury by Restoring Redox and Mitochondrial Homeostasis.
Article in Biomolecules, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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13 authors.
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Abstract
Cisplatin is an effective chemotherapeutic agent, yet its clinical utility is limited by dose-dependent nephrotoxicity. Alpha-1 antitrypsin (AAT) has cytoprotective, anti-inflammatory, and antiapoptotic properties, but its therapeutic potential in cisplatin-induced acute kidney injury (AKI) remains unclear. A murine cisplatin-AKI model was used to evaluate whether AAT (80 mg/kg) ameliorates renal injury. Renal function, oxidative stress, NADPH oxidase (NOX) isoforms, mitochondrial metabolism, inflammatory mediators, apoptosis, and fibrosis-related markers were assessed using biochemical, histological, immunohistochemical, and Western blot analyses. Cisplatin markedly impaired renal function and induced tubular injury; meanwhile, AAT significantly reversed these changes. Cisplatin also induced severe oxidative stress and disrupted the balance of NOX isoforms; AAT restored redox homeostasis. Cisplatin upregulated CPT1A/PDK4 and suppressed CPT2, UCP3, PGC1α, and DRP1, inducing maladaptive mitochondrial changes, indicating impaired β-oxidation and defective mitochondrial dynamics; AAT reversed these alterations, restoring normal mitochondrial metabolism. IL-1β, IL-6R, OPN, and F4/80 expression, recovery of the Bax/Bcl-2 ratio, and MAPK activation were reduced, indicating decreased inflammation and apoptosis; profibrotic markers were also reduced. AAT confers multifaceted protection against cisplatin-induced AKI by restoring redox balance, mitochondrial homeostasis, and inflammatory and apoptotic signaling. These findings support AAT as a promising therapeutic agent for preventing cisplatin nephrotoxicity.
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