Neurodevelopment

Publication Title: 
Psychiatry Research

The purpose of this study was to investigate Fragile X Syndrome (FXS)-related mechanisms in schizophrenia, including CGG triplet expansion, FMR1 mRNA, and fragile X mental retardation protein (FMRP) levels in lymphocytes. We investigated 36 patients with schizophrenia and 30 healthy controls using Southern blot analysis, mRNA assay, and enzyme-linked immunosorbent assay (ELISA). General intellectual functions were assessed with the Wechsler Adult Intelligence Scale-III, and the clinical symptoms were evaluated with the Positive and Negative Syndrome Scale.

Author(s): 
Kov·cs, Tam·s
Kelemen, Oguz
KÈri, Szabolcs
Publication Title: 
Frontiers in Cellular and Infection Microbiology

The tight association of the human body with trillions of colonizing microbes that we observe today is the result of a long evolutionary history. Only very recently have we started to understand how this symbiosis also affects brain function and behavior. In this hypothesis and theory article, we propose how host-microbe associations potentially influenced mammalian brain evolution and development.

Author(s): 
Stilling, Roman M.
Bordenstein, Seth R.
Dinan, Timothy G.
Cryan, John F.
Publication Title: 
Neuroscience and Biobehavioral Reviews

Mounting evidence indicates that schizophrenia is associated with adverse intrauterine experiences. An adverse or suboptimal fetal environment can cause irreversible changes in brain that can subsequently exert long-lasting effects through resetting a diverse array of biological systems including endocrine, immune and nervous. It is evident from animal and imaging studies that subtle variations in the intrauterine environment can cause recognizable differences in brain structure and cognitive functions in the offspring.

Author(s): 
Debnath, Monojit
Venkatasubramanian, Ganesan
Berk, Michael
Publication Title: 
Progress in Biophysics and Molecular Biology

Epigenetic modifications, including DNA methylation, histone modifications, and non-coding RNAs, have been implicated in a number of complex diseases. Schizophrenia and other major psychiatric and neurodevelopmental disorders are associated with abnormalities in multiple epigenetic mechanisms, resulting in altered gene expression during development and adulthood.

Author(s): 
Shorter, Kimberly R.
Miller, Brooke H.
Publication Title: 
Biological Psychiatry

The past decade has witnessed a number of societal and political changes that have raised critical questions about the long-term impact of marijuana (Cannabis sativa) that are especially important given the prevalence of its abuse and that potential long-term effects still largely lack scientific data. Disturbances of the epigenome have generally been hypothesized as the molecular machinery underlying the persistent, often tissue-specific transcriptional and behavioral effects of cannabinoids that have been observed within one's lifetime and even into the subsequent generation.

Author(s): 
Szutorisz, Henrietta
Hurd, Yasmin L.
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