The Emerging Role of microRNAs in Schizophrenia and Autism Spectrum Disorders

Nikolaos Mellios1, Mriganka Sur

  • 1Department of Brain and Cognitive Sciences, Picower Institute for Learning and Memory, Massachusetts Institute of Technology Cambridge, MA, USA.

Insights

MicroRNAs (miRNAs) are crucial for brain development and plasticity. This review explores their role in neuropsychiatric disorders like schizophrenia and autism, highlighting potential therapeutic targets.

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Genetics

Background:

  • MicroRNAs (miRNAs) are small non-coding RNAs vital for brain development and maturation.
  • Recent discoveries illuminate miRNA-mediated mechanisms influencing brain plasticity.

Purpose of the Study:

  • To review the role of miRNAs in brain plasticity and function.
  • To explore the involvement of brain-expressed miRNAs in neuropsychiatric disorders.

Main Methods:

  • Literature review of current and historical research on miRNAs.
  • Focus on synaptic plasticity and its relation to neuropsychiatric conditions.

Main Results:

  • miRNAs play a significant role in regulating molecular mechanisms underlying brain plasticity.
  • Evidence suggests a link between dysregulated miRNAs and the pathophysiology of neuropsychiatric disorders.

Conclusions:

  • Further investigation into miRNAs is warranted for understanding and potentially treating neuropsychiatric disorders.
  • Brain-expressed miRNAs represent promising targets for therapeutic interventions in conditions like schizophrenia and autism.

Related Concept Videos

MicroRNAs01:22

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...
MicroRNAs01:22

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA ends...
MicroRNAs01:22

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA ends...
Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

Schizophrenia, a severe psychiatric disorder, arises from a complex interplay of biological factors, including genetic predisposition, structural brain abnormalities, neurotransmitter dysregulation, and developmental irregularities. These factors collectively contribute to the onset and progression of the disorder, which typically manifests in late adolescence or early adulthood.
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