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Related Experiment Videos

S100 protein and Down syndrome.

A Marks1, R Allore

  • 1Banting and Best Department of Medical Research, University of Toronto, Ontario, Canada.

Bioessays : News and Reviews in Molecular, Cellular and Developmental Biology
|August 1, 1990
PubMed
Summary

S100 protein, a calcium-binding protein, may influence brain development. Its gene location on chromosome 21 suggests a link to neurologic issues in Down Syndrome (DS) due to gene dosage.

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Area of Science:

  • Neuroscience
  • Genetics
  • Developmental Biology

Background:

  • S100 protein is a calcium-binding protein found throughout the vertebrate central nervous system.
  • Emerging research indicates S100 protein's involvement in regulating glial cell proliferation and neuronal differentiation.

Purpose of the Study:

  • To explore the potential role of S100 protein abnormalities in the neurologic manifestations of Down Syndrome (DS).

Main Methods:

  • Literature review of S100 protein function and gene mapping.
  • Analysis of the S100 protein gene locus (21q22) in relation to Down Syndrome genetics.

Main Results:

  • The S100 protein gene is located at 21q22.
  • Duplication of this chromosomal region is associated with Down Syndrome.
  • This suggests S100 protein gene dosage may impact neurologic development in DS.

Conclusions:

  • Abnormal S100 protein gene dosage during development could contribute to neurologic deficits observed in Down Syndrome.
  • Further research is warranted to confirm the direct link between S100 protein and DS-related neurologic abnormalities.

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