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Genomics02:02

Genomics

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Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
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Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
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Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...
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Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
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The Brain Gene Registry: a data snapshot.

Dustin Baldridge1, Levi Kaster2, Catherine Sancimino3

  • 1Department of Pediatrics, Washington University School of Medicine in St. Louis, St. Louis, MO, USA. dbaldri@wustl.edu.

Journal of Neurodevelopmental Disorders
|April 17, 2024
PubMed
Summary
This summary is machine-generated.

The Brain Gene Registry (BGR) is a new resource that collects genetic and clinical data to understand neurodevelopmental disorders. This initiative aims to accelerate research by linking genetic variants to specific brain conditions.

Keywords:
Brain gene registryElectronic health recordsNeurodevelopmental disorders

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Area of Science:

  • Neuroscience
  • Genetics
  • Developmental Biology

Background:

  • Monogenic disorders significantly contribute to neurodevelopmental disabilities.
  • A lack of data hinders establishing causal links between genetic variants and neurodevelopmental disorders.
  • Existing research infrastructure is fragmented, limiting comprehensive study.

Purpose of the Study:

  • To establish the Brain Gene Registry (BGR), a collaborative repository of genetic and phenotypic data.
  • To facilitate research on the genetic underpinnings of neurodevelopmental disorders.
  • To accelerate the understanding of gene-disease relationships for brain-related conditions.

Main Methods:

  • Formation of a consortium of 13 Intellectual and Developmental Disabilities Research Centers (IDDRCs).
  • Integration of clinical genetic data with phenotypic data from electronic health records (EHR) and the Rapid Neurobehavioral Assessment Protocol (RNAP).
  • Co-enrollment with ClinGen's GenomeConnect for variant data integration into ClinVar.

Main Results:

  • The BGR currently includes data from 479 participants, with over 200 genes represented.
  • Common diagnoses include developmental delay, speech/language disorders, Autism Spectrum Disorder (ASD), and Attention Deficit Hyperactivity Disorder (ADHD).
  • Over 30% of variants are de novo, and 43% are variants of uncertain significance (VUSs).

Conclusions:

  • The BGR is a valuable national resource for advancing translational research on brain genes.
  • The registry aids in accelerating gene-disease validity curation for neurodevelopmental disorders.
  • Continued participant recruitment is essential for building a comprehensive dataset for future research.