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Prenatal testing for Imprinting Disorders: A clinical perspective.

Andreas Dufke1,2, Thomas Eggermann3, Karl Oliver Kagan4

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Imprinting Disorders (ImpDis) are congenital conditions from gene expression errors. Prenatal diagnosis and interdisciplinary care are crucial for managing ImpDis, improving pregnancy outcomes and lifelong health.

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Area of Science:

  • Genetics
  • Developmental Biology
  • Pediatrics

Background:

  • Imprinting Disorders (ImpDis) arise from aberrant imprinting, disrupting parentally imprinted gene expression.
  • While major malformations are rare, ImpDis frequently impact growth, nutrition, and can lead to developmental, metabolic, and neurological issues.
  • Some ImpDis increase childhood tumor risk, and prognosis varies with molecular cause and epigenetic factors.

Purpose of the Study:

  • To highlight the importance of interdisciplinary care in managing Imprinting Disorders.
  • To emphasize the role of prenatal diagnosis and fetal imaging in improving pregnancy outcomes for ImpDis.
  • To underscore the lifelong impact of appropriate management for affected individuals.

Main Methods:

  • Review of clinical and genetic findings in Imprinting Disorders.
  • Analysis of the impact of prenatal diagnosis on perinatal management.
  • Integration of genetic data with fetal imaging for comprehensive assessment.

Main Results:

  • Aberrant imprinting causes ImpDis, affecting growth, nutrition, and potentially leading to diverse symptoms.
  • Clinical outcome prediction is challenging due to variability and mosaicism.
  • Prenatal findings significantly influence perinatal management, improving prognosis.

Conclusions:

  • Interdisciplinary care, integrating genetic and imaging data, is vital for managing ImpDis pregnancies.
  • Prenatal diagnosis is crucial for optimizing management and improving lifelong outcomes for ImpDis.
  • Early and comprehensive management positively impacts the prognosis of ImpDis.