ArticleMolecular medicine (Cambridge, Mass.)2024
Adiponectin deficiency is a critical factor contributing to cognitive dysfunction in obese mice after sevoflurane exposure.
Article in Molecular medicine (Cambridge, Mass.), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.
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Who cites it
5 citing papers in PubMed, 1 synthesis or guideline pooled it.
- AdipoRon's Impact on Alzheimer's Disease-A Systematic Review and Meta-Analysis.International journal of molecular sciences · 2025Pooled it
- Neuroprotective impact of nicotinamide riboside and metformin on the hippocampus of male rats with diet-induced obesity.Metabolic brain disease · 2026Article
- Associations between REM-related respiratory disturbances, metabolic biomarkers, and memory impairment in pediatric sleep-disordered breathing.Pediatric research · 2026Article
- Inhaled General Anesthetics in Alzheimer's Disease Progression: Divergent Effects, Underlying Mechanisms, and Future Perspectives.Molecular neurobiology · 2026Review
- Serum S100β and neuron-specific enolase correlate with obesity parameters in Mexican children.International journal of obesity (2005) · 2026Article
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Authors and funding
5 authors.
Funding
Abstract
backgroundThe number of major operations performed in obese patients is expected to increase given the growing prevalence of obesity. Obesity is a risk factor for a range of postoperative complications including perioperative neurocognitive disorders. However, the mechanisms underlying this vulnerability are not well defined. We hypothesize that obese subjects are more vulnerable to general anaesthesia induced neurotoxicity due to reduced levels of adiponectin. This hypothesis was tested using a murine surgical model in obese and adiponectin knockout mice exposed to the volatile anaesthetic agent sevoflurane.
methodsObese mice were bred by subjecting C57BL/6 mice to a high fat diet. Cognitive function, neuroinflammatory responses and neuronal degeneration were assessed in both obese and lean mice following exposure to 2 h of sevoflurane to confirm sevoflurane-induced neurotoxicity. Thereafter, to confirm the role of adiponectin deficiency in, adiponectin knockout mice were established and exposed to the sevoflurane. Finally, the neuroprotective effects of adiponectin receptor agonist (AdipoRon) were examined.
resultsSevoflurane triggered significant cognitive dysfunction, neuroinflammatory responses and neuronal degeneration in the obese mice while no significant impact was observed in the lean mice. Similar cognitive dysfunction and neuronal degeneration were also observed in the adiponectin knockout mice after sevoflurane exposure. Administration of AdipoRon partially prevented the deleterious effects of sevoflurane in both obese and adiponectin knockout mice.
conclusionsOur findings demonstrate that obese mice are more susceptible to sevoflurane-induced neurotoxicity and cognitive impairment in which adiponectin deficiency is one of the underlying mechanisms. Treatment with adiponectin receptor agonist ameliorates this vulnerability. These findings may have therapeutic implications in reducing the incidence of anaesthesia related neurotoxicity in obese subjects.
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