ArticlePediatric research2023
Acute kidney injury decreases pulmonary vascular growth and alveolarization in neonatal rat pups.
Article in Pediatric research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.
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Who cites it
7 citing papers in PubMed, 1 synthesis or guideline pooled it, 9 citations in OpenAlex.
- Growth after pediatric and neonatal acute kidney injury: a meta-analysis.Pediatric nephrology (Berlin, Germany) · 2025Pooled it
- Improving early risk stratification for bronchopulmonary Dysplasia in preterm infants using machine learning: development and external validation.Annals of medicine · 2026Article
- Discovery Pipeline for Acute Kidney Injury: Molecules, Mechanisms, Models, and Targets.Nephron · 2026Review
- Expanded discussion of kidney health monitoring for critically ill term and late preterm infants after acute kidney injury: a report from the Neonatal Kidney Health Consensus Workshop.Pediatric nephrology (Berlin, Germany) · 2025Article
- Acute respiratory distress syndrome (ARDS): from mechanistic insights to therapeutic strategies.MedComm · 2025Review
- Blood pressure in preterm infants with bronchopulmonary dysplasia in the first three months of life.Pediatric nephrology (Berlin, Germany) · 2024Article
- Advances in pediatric acute kidney injury pathobiology: a report from the 26th Acute Disease Quality Initiative (ADQI) conference.Pediatric nephrology (Berlin, Germany) · 2024Article
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundAcute kidney injury (AKI) is common in sick neonates and associated with poor pulmonary outcomes, however, the mechanisms responsible remain unknown. We present two novel neonatal rodent models of AKI to investigate the pulmonary effects of AKI.
methodsIn rat pups, AKI was induced surgically via bilateral ischemia-reperfusion injury (bIRI) or pharmacologically using aristolochic acid (AA). AKI was confirmed with plasma blood urea nitrogen and creatinine measurements and kidney injury molecule-1 staining on renal immunohistochemistry. Lung morphometrics were quantified with radial alveolar count and mean linear intercept, and angiogenesis investigated by pulmonary vessel density (PVD) and vascular endothelial growth factor (VEGF) protein expression. For the surgical model, bIRI, sham, and non-surgical pups were compared. For the pharmacologic model, AA pups were compared to vehicle controls.
resultsAKI occurred in bIRI and AA pups, and they demonstrated decreased alveolarization, PVD, and VEGF protein expression compared controls. Sham pups did not experience AKI, however, demonstrated decreased alveolarization, PVD, and VEGF protein expression compared to controls.
conclusionPharmacologic AKI and surgery in neonatal rat pups, with or without AKI, decreased alveolarization and angiogenesis, producing a bronchopulmonary dysplasia phenotype. These models provide a framework for elucidating the relationship between AKI and adverse pulmonary outcomes. IMPACT: There are no published neonatal rodent models investigating the pulmonary effects after neonatal acute kidney injury, despite known clinical associations. We present two novel neonatal rodent models of acute kidney injury to study the impact of acute kidney injury on the developing lung. We demonstrate the pulmonary effects of both ischemia-reperfusion injury and nephrotoxin-induced AKI on the developing lung, with decreased alveolarization and angiogenesis, mimicking the lung phenotype of bronchopulmonary dysplasia. Neonatal rodent models of acute kidney injury provide opportunities to study mechanisms of kidney-lung crosstalk and novel therapeutics in the context of acute kidney injury in a premature infant.
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