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Use of a Piglet Model for the Study of Anesthetic-induced Developmental Neurotoxicity AIDN: A Translational Neuroscience Approach
Published on: June 11, 2017
Lipidomics Reveals Changes in Metabolism, Indicative of Anesthetic-Induced Neurotoxicity in Developing Brains
Chunyan Wang, Cheng Wang, Fang Liu
1Department of Anesthesiology , Central Arkansas Veterans Health System , 4300 West Seventh Street, VA 704-110 , Little Rock , Arkansas 72205 , United States.
Insights
Anesthetic exposure in infants can cause brain injury. This review explores how anesthetics alter lipid metabolism, potentially leading to neurotoxicity and offering new biomarkers for early detection.
Area of Science:
- Neuroscience
- Biochemistry
- Toxicology
Background:
- Prolonged, high-dose anesthetic exposure in infants is linked to brain injury.
- The relationship between anesthetic neurotoxicity and disruptions in lipid metabolism remains poorly understood.
Purpose of the Study:
- To review lipidomics tools for analyzing lipid changes post-anesthetic exposure.
- To summarize preclinical data on anesthetic-induced alterations in brain and serum lipid profiles in infant monkeys.
- To discuss potential mechanisms linking altered lipid metabolism to anesthetic-induced brain injury and explore serum lipid changes as early detection biomarkers.
Main Methods:
- Literature review of preclinical studies on anesthetic effects on lipid metabolism.
- Discussion of lipidomics techniques for molecular lipid species analysis.
- Synthesis of data on changes in brain and serum lipid profiles.
Main Results:
- Anesthetic exposure alters lipid profiles in infant monkey brains and serum.
- These alterations suggest a link between lipid metabolism disruption and anesthetic-induced neurotoxicity.
- Serum lipid changes may serve as potential early detection indicators.
Conclusions:
- Understanding anesthetic-induced alterations in lipid metabolism is crucial for elucidating neurotoxicity mechanisms.
- Further research into lipid changes can lead to the development of biomarkers for early detection and monitoring of anesthetic-induced brain injury.
- Lipidomics offers valuable tools for investigating these complex biochemical pathways.
Abstract:
Numerous studies have demonstrated that treatment with high dose anesthetics for a prolonged duration induces brain injury in infants. However, whether anesthetic treatment leading to neurotoxicity is associated with alterations in lipid metabolism and homeostasis is still unclear. This review first outlines the lipidomics tools for analysis of lipid molecular species that can inform alterations in lipid species after anesthetic exposure. Then the available data indicating anesthetics cause changes in lipid profiles in the brain and serum of infant monkeys in preclinical studies are summarized, and the potential mechanisms leading to the altered lipid metabolism and their association with anesthetic-induced brain injury are also discussed. Finally, whether lipid changes identified in serum of infant monkeys can serve as indicators for the early detection of anesthetic-induced brain injury is described. We believe extensive studies on alterations in lipids after exposure to anesthetics will allow us to better understand anesthetic-induced neurotoxicity, unravel its underlying biochemical mechanisms, and develop powerful biomarkers for early detection/monitoring of the toxicity.
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