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Study reveals antidepressants'effect on fetal brain development in pregnancy - Video

Published On 2024-02-18T19:00:53+05:30  |  Updated On 19 Feb 2024 2:23 PM IST
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Overview

A new study published in Nature Communications provides direct evidence that antidepressant use during pregnancy can impact a child's brain development and contribute to the risk of mental health disorders later in life.

The study, led by researchers at the University of Colorado Anschutz Medical Campus, focused on the effect of fluoxetine, commonly used in medications such as Prozac and Sarafem for treating depression and perinatal depression, on a developing prefrontal cortex.

Since fluoxetine works by increasing the levels of serotonin in the brain, the researchers looked at the impact serotonin has on prefrontal cortex development in a fetus.

“While it is known that serotonin plays a role in the brain development, the mechanisms responsible for this influence, specifically in the prefrontal cortex, have been unclear. The prefrontal cortex, the most evolved brain region, plays a central role in highest-order cognition, which is why we focused our study on finding the answer from this brain area,” said lead author Won Chan Oh, PhD, assistant professor in the Department of Pharmacology at CU Anschutz.

Serotonin directly influences nascent and immature excitatory synaptic connections in the prefrontal cortex, which if disrupted or dysregulated during early development can contribute to various mental health disorders found Roberto Ogelman, a neuroscience PhD candidate at the University of Colorado Anschutz.

To study the effect, the researchers looked at the impact of deficiency and surplus of serotonin on brain development in mice. They discovered that serotonin is not only involved in overall brain function but also has a specific role in influencing how individual connections between neurons change and adapt, contributing to the brain's ability to learn and adjust.

“Understanding this correlation has the potential to help with early intervention and the development of new therapeutics for neurodevelopmental disorders involving serotonin dysregulation,” adds Won Chan Oh.

“Our research uncovers the specific processes at the synaptic level that explain how serotonin contributes to the development of this important brain region during early-life fluoxetine exposure. We are the first to provide experimental evidence of the direct impact of serotonin on the developing prefrontal cortex when fluoxetine is taken during pregnancy because fluoxetine not only crosses the placenta but also passes into breast milk,” concludes Won Chan Oh.

Reference: DOI: 10.1038/s41467-024-45734-w

Speakers

Anshika Mishra

Anshika Mishra is a dedicated scholar pursuing a Masters in Biotechnology, driven by a profound passion for exploring the intersection of science and healthcare. Having embarked on this academic journey with a passion to make meaningful contributions to the medical field, Anshika joined Medical Dialogues in 2023 to further delve into the realms of healthcare journalism.

Dr. Kamal Kant Kohli

Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751
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