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Related Experiment Video

Updated: Jan 1, 2026

Construction of Vapor Chambers Used to Expose Mice to Alcohol During the Equivalent of all Three Trimesters of Human Development
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Desflurane and Surgery Exposure During Pregnancy Decrease Synaptic Integrity and Induce Functional Deficits in

Shanshan Zou1,2, Zheng Zachory Wei3, Yun Yue4

  • 1Department of Anesthesiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, 100020, People's Republic of China.

Neurochemical Research
|December 21, 2019
PubMed
Summary

Anesthetic exposure during pregnancy, specifically desflurane, may harm fetal brain development, impairing memory and cognition in offspring. This study highlights risks to synaptic integrity and neuronal survival.

Keywords:
AnesthesiaDesfluraneMemory impairmentNeurotoxicityPregnancySurgery

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Area of Science:

  • Neuroscience
  • Developmental Biology
  • Anesthesiology

Background:

  • Anesthesia during pregnancy poses risks to fetal brain development.
  • Mechanisms of anesthetic-induced neurotoxicity are not fully understood.

Purpose of the Study:

  • To investigate if desflurane exposure during pregnancy impairs offspring cognition and memory.
  • To explore the molecular mechanisms of desflurane's effects on the fetal hippocampus.

Main Methods:

  • Pregnant mice exposed to desflurane at gestational day 14.
  • Analysis of hippocampal tissues (fetal and offspring) using qPCR and Western blot.
  • In vitro neuronal culture experiments to assess desflurane's direct effects.

Main Results:

  • Desflurane increased IL-6 and caspase-3 activation in neuronal cultures.
  • Reduced expression of synaptic proteins (PSD-95, synaptophysin) in offspring hippocampus.
  • Offspring mice exhibited impaired memory and increased fear conditioning.

Conclusions:

  • Desflurane exposure during pregnancy can lead to detrimental effects on juvenile offspring.
  • These effects involve increased neuronal cell death and disrupted synaptic integrity.
  • Anesthetic use in pregnant women warrants careful consideration due to potential long-term neurodevelopmental impacts.