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Related Concept Videos

Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

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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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Schizophrenia is a neurodevelopmental disorder whose origins are rooted in complex genetic components. Despite our burgeoning understanding, the pathophysiology of this disorder remains incompletely deciphered.
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Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
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Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
X-chromosome...
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Psychological and Sociocultural Causes of Schizophrenia01:29

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Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
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Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
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Lentiviral Vector Platform for the Efficient Delivery of Epigenome-editing Tools into Human Induced Pluripotent Stem Cell-derived Disease Models
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DNA Methylation in Schizophrenia.

Lotta-Katrin Pries1, Sinan Gülöksüz1,2, Gunter Kenis3

  • 1Department of Psychiatry & Neuropsychology, School for Mental Health and Neuroscience, Maastricht University, Maastricht, The Netherlands.

Advances in Experimental Medicine and Biology
|May 20, 2017
PubMed
Summary
This summary is machine-generated.

Schizophrenia, a heritable psychiatric disorder, involves genetic and environmental factors. DNA methylation changes, an epigenetic mechanism, are increasingly studied for their role in schizophrenia development and symptoms.

Keywords:
DNA methylationEpigeneticsPsychosisSchizophrenia

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Area of Science:

  • Psychiatry
  • Neuroscience
  • Genetics

Background:

  • Schizophrenia is highly heritable but genetic factors alone don't explain its full heritability.
  • Environmental risk factors may induce permanent brain changes, potentially via epigenetic mechanisms.
  • Epigenetic processes, particularly DNA methylation, are implicated in schizophrenia's pathophysiology.

Purpose of the Study:

  • To comprehensively review current findings on DNA methylation changes in schizophrenia.
  • To synthesize data from both candidate gene and genome-wide studies.
  • To highlight the role of epigenetic alterations in schizophrenia.

Main Methods:

  • Review of published literature on DNA methylation in schizophrenia.
  • Inclusion of studies utilizing candidate gene approaches.
  • Inclusion of studies utilizing genome-wide approaches.

Main Results:

  • A growing body of research indicates aberrant DNA modifications in schizophrenia.
  • Studies reveal significant DNA methylation changes associated with the condition.
  • Both targeted and broad genomic analyses contribute to understanding these alterations.

Conclusions:

  • Epigenetic mechanisms, especially DNA methylation, are crucial in schizophrenia.
  • Understanding DNA methylation patterns is key to unraveling schizophrenia's complex etiology.
  • Further research into epigenetic modifications may offer new therapeutic targets.