Cited by 87Maternal Mental Health During Pregnancy and PostpartumNeurotransmitter Receptor Influence on BehaviorTryptophan and brain disorders

Gestational Factors throughout Fetal Neurodevelopment: The Serotonin Link

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Hanswijk, Sabrina I., Spoelder, Marcia, Shan, Ling, Verheij, Michel M. M., Muilwijk, Otto G., Li, Weizhuo, Liu, Chunqing, Kolk, Sharon M. +1 more·2020·International Journal of Molecular Sciences

Abstract

Serotonin (5-HT) is a critical player in brain development and neuropsychiatric disorders. Fetal 5-HT levels can be influenced by several gestational factors, such as maternal genotype, diet, stress, medication, and immune activation. In this review, addressing both human and animal studies, we discuss how these gestational factors affect placental and fetal brain 5-HT levels, leading to changes in brain structure and function and behavior. We conclude that gestational factors are able to interact and thereby amplify or counteract each other’s impact on the fetal 5-HT-ergic system. We, therefore, argue that beyond the understanding of how single gestational factors affect 5-HT-ergic brain development and behavior in offspring, it is critical to elucidate the consequences of interacting factors. Moreover, we describe how each gestational factor is able to alter the 5-HT-ergic influence on the thalamocortical- and prefrontal-limbic circuitry and the hypothalamo-pituitary-adrenocortical-axis. These alterations have been associated with risks to develop attention deficit hyperactivity disorder, autism spectrum disorders, depression, and/or anxiety. Consequently, the manipulation of gestational factors may be used to combat pregnancy-related risks for neuropsychiatric disorders.

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Crossref · 10.3390/ijms21165850

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  • Serotonin exerts a significant trophic and modulatory function in neurodevelopmental processes such as proliferation, migration, and differentiation in cortical areas, including the PFC.

    “It has become widely accepted that serotonin exerts a significant trophic and modulatory function in neurodevelopmental processes such as proliferation, migration and differentiation in cortical areas, including the PFC [119, 123, 125–129].”

    From Development of prefrontal cortex (2022) · cites this paper as [125]

    Section 2 says serotonin is involved in neuronal proliferation and migration during development, and §2.1 describes its role in cortical migration, including serotoninergic fibers in the medial PFC. The passages do not establish the claimed role in differentiation, so the full list of processes is not supported. (LLM, conf=0.82)

    Experimental — accuracy not yet measured
  • Treatments against maternal depression such as SSRIs can cause substantial structural damage to prefrontal subdomains.

    “treatments against maternal depression such as SSRIs can cause substantial structural damage to prefrontal subdomains [125, 128].”

    From Development of prefrontal cortex (2022) · cites this paper as [125]

    Section 3.4 reports decreased dendritic complexity in the medial prefrontal cortex and describes possible reductions in prefrontal neuron complexity after SSRI exposure. It does not characterize these changes as substantial structural damage, and it presents the proposed mechanisms cautiously, largely in the context of offspring studies. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Maternal stress itself can be detrimental to brain development in general and the developing PFC in particular.

    “Although maternal stress itself can be detrimental to brain development in general and the developing PFC in particular (for review see [125])”

    From Development of prefrontal cortex (2022) · cites this paper as [125]

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Authors
Hanswijk, S. I., Spoelder, M., Shan, L., Verheij, M. M. M., Muilwijk, O. G., Li, W., Liu, C., Kolk, S. M., & Homberg, J. R.
Affiliations
  • Radboud University Medical Center (NL)
  • Netherlands Institute for Neuroscience (NL)
  • Dalian Medical University (CN)
  • Radboud University Nijmegen (NL)
Corresponding author
Homberg, Judith R.
Venue
International Journal of Molecular Sciences
Publisher
MDPI AG
Published
2020-08-14
Volume
21
Issue
16
Pages
5850
ISSN
1422-0067 (ISSN-L)
OpenAlex
W3049210532
Cited by
86
References
313
Citations by year
2026: 16 · 2025: 14 · 2024: 14 · 2023: 12 · 2022: 15 · 2021: 14 · 2020: 1
FWCI
1.80
Type
journal article
Language
en
Open access
Locations
  • International Journal of Molecular Sciences (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • KNAW research portal (Royal Academy of Art and Sciences (KNAW)) (submittedVersion, other-oa)
  • Radboud Repository (Radboud University) (submittedVersion)
  • Radboud Repository (Radboud University) (submittedVersion, other-oa)
Funders
  • Koninklijke Nederlandse Akademie van Wetenschappen (5305CDP09)
  • H2020 Marie Skłodowska-Curie Actions (707404)
  • Era-Net NEURON (RESPOND)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Maternal Mental Health During Pregnancy and Postpartum
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
Keywords
serotonin, fetal brain development, gestational factors, maternal diet, maternal stress, maternal medication use, immune activation, maternal genotype, serotonergic system, thalamocortical circuits, hypothalamic-pituitary-adrenal axis, attention deficit hyperactivity disorder, autism spectrum disorder, depression, anxiety, neuropsychiatric disorders
MeSH terms
Animals, Behavior, Animal, Brain, Female, Fetus, Humans, Pregnancy, Serotonin, Stress, Physiological, Fetal Development

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