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Full-Text Articles in Neuroscience and Neurobiology
Examining The Emergence Of Mood And Anxiety Molecular Phenotypes Resulting From Chronic Prenatal Nicotine Exposure In Cerebral Organoids, Emma K. Proud
Electronic Thesis and Dissertation Repository
Prenatal nicotine exposure (PNE) from maternal smoking disrupts regulatory processes vital to fetal development. These changes result in long-term behavioural impairments, including mood and anxiety disorders, that manifest later in life. However the relationship underlying PNE, and the underpinnings of mood/anxiety molecular phenotypes remains elusive. To model nicotine exposure during prenatal development, our study used human cerebral organoids that were chronically exposed to nicotine and collected for molecular analyses. Short-term, nicotine altered molecular markers of neural identity, mood/anxiety disorders and those involved in maintaining the excitatory/inhibitory (E/I) balance in the cortex. RNA sequencing further revealed transcriptomic changes in genes pertaining …