Adenosine receptor antagonists including caffeine alter fetal brain development in mice

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Carla G Silva1, Christine Métin, Walid Fazeli

  • 1Aix Marseille Université, INS, 13005 Marseille, France. c.gomesdasilva@gmail.com

Science Translational Medicine
|August 9, 2013
PubMed

Insights

Prenatal exposure to adenosine type 2A receptor (A2AR) antagonists, including caffeine, can disrupt fetal brain development. This may lead to lasting neurological and cognitive issues in offspring.

Area of Science:

  • Neuroscience
  • Developmental Biology
  • Pharmacology

Background:

  • Maternal substance consumption during pregnancy can negatively impact fetal brain development.
  • Adenosine receptors play a crucial role in neural development.

Purpose of the Study:

  • To investigate the effects of adenosine type 2A receptor (A2AR) antagonists on neural development in offspring.
  • To determine if caffeine exposure during pregnancy affects offspring neurodevelopment.

Main Methods:

  • Mouse dams were exposed to an A2AR antagonist or caffeine during pregnancy and lactation.
  • Offspring neurodevelopment, including GABA neuron migration and hippocampal circuitry, was assessed.
  • Neuronal network excitability and seizure susceptibility were evaluated.

Main Results:

  • A2AR antagonist or caffeine exposure delayed GABA neuron migration and insertion into the hippocampus.
  • Increased neuronal network excitability and seizure susceptibility were observed in offspring.
  • Adult offspring showed loss of hippocampal GABA neurons and cognitive deficits.

Conclusions:

  • Prenatal and lactational exposure to A2AR antagonists, including caffeine, adversely affects offspring neural development.
  • These findings highlight potential risks associated with maternal caffeine consumption during pregnancy.
  • Further research is needed to understand the long-term neurological consequences.

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