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Related Experiment Videos

Fragile-X syndrome.

R J Simensen1, R C Rogers

  • 1Greenwood Genetic Center, South Carolina.

American Family Physician
|May 1, 1989
PubMed
Summary
This summary is machine-generated.

Fragile-X syndrome, a leading cause of inherited mental retardation, affects males and females with variable symptoms. Early intervention with folic acid before puberty may benefit children with fragile X syndrome.

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Area of Science:

  • Genetics
  • Neurodevelopmental Disorders
  • Human Biology

Background:

  • Fragile X syndrome is a significant genetic cause of mental retardation.
  • It is associated with cytogenetic abnormalities on the X chromosome.
  • The condition is the second leading cause of intellectual disability linked to chromosomal issues.

Purpose of the Study:

  • To summarize the genetic basis and clinical presentation of fragile X syndrome.
  • To highlight the variability in intellectual and developmental phenotypes.
  • To suggest potential therapeutic avenues, such as folic acid supplementation.

Main Methods:

  • Review of existing literature on fragile X syndrome.
  • Analysis of cytogenetic and clinical data.

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  • Evaluation of developmental and intellectual assessments in affected individuals.

    • Main Results:

    • A specific fragile site on the X chromosome is linked to cognitive and behavioral issues.
    • Clinical manifestations range widely, with some children showing normal early development.
    • Folic acid supplementation may offer benefits prior to puberty.

    Conclusions:

    • Fragile X syndrome presents a spectrum of neurodevelopmental challenges.
    • Early identification and intervention are crucial for managing the condition.
    • Further research into the efficacy of folic acid and other treatments is warranted.