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Early life adversity across different cell- types in the brain
Gal Warhaftig1, Daniel Almeida1, Gustavo Turecki2
1McGill Group for Suicide Studies, Douglas Hospital Research Center, Montreal QC H4H 1R3, Canada.
Neuroscience and Biobehavioral Reviews
|March 2, 2023
Summary
Early life adversity (ELA) impacts brain development, leading to adult psychopathologies. This review details cellular changes in neurons and glia due to ELA, offering insights into potential therapies.
Area of Science:
- Neuroscience
- Developmental Psychology
- Cell Biology
Background:
- Early life adversity (ELA), encompassing abuse and neglect, is a significant risk factor for adult psychopathology.
- ELA profoundly affects brain development, with lasting neurobiological consequences.
- Recent research emphasizes the role of specific cell types in mediating ELA's impact.
Purpose of the Study:
- To review current findings on cellular alterations in the brain following ELA.
- To explore morphological, transcriptional, and epigenetic changes in neurons, glia, and perineuronal nets.
- To identify underlying mechanisms and potential therapeutic targets for ELA-related conditions.
Main Methods:
- Comprehensive literature review of recent studies on ELA and brain cell alterations.
- Synthesis of findings on neuronal, glial, and perineuronal net changes.
- Analysis of morphological, transcriptional, and epigenetic modifications.
Main Results:
- ELA induces significant morphological, transcriptional, and epigenetic alterations in neurons and glia.
- Specific glial subpopulations and perineuronal nets show distinct changes in response to ELA.
- These cellular changes are linked to long-term neurobiological and behavioral consequences.
Conclusions:
- Cellular changes in neurons, glia, and perineuronal nets are key mechanisms linking ELA to psychopathology.
- Understanding these cellular alterations provides a basis for developing targeted interventions.
- Further research into ELA's cellular impact can inform novel therapeutic strategies.
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