Rapid prenatal confirmation of LIT1 hypomethylation using a novel quantitative method (E-Q-PCR) in fetuses with Beckwith-Wiedemann syndrome impressed with ultrasonography

Fertil Steril. 2008 Oct;90(4):1279-82. doi: 10.1016/j.fertnstert.2007.10.075. Epub 2008 Feb 4.

Abstract

We described a simplified and high-performance test (E-Q-PCR) for rapid assessment of the DNA methylation status at LIT1, a major genetic locus of Beckwith-Wiedemann syndrome (BWS). The E-Q-PCR test can detect and quantify the methylation changes between BWS fetuses and unaffected individuals in aminocytes as well as in lymphocytes and can be completed in 1 working day, and thus is a useful method for prenatal molecular diagnosis of BWS.

Publication types

  • Evaluation Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Beckwith-Wiedemann Syndrome / diagnosis*
  • Beckwith-Wiedemann Syndrome / genetics*
  • DNA Methylation
  • DNA Mutational Analysis / methods
  • Genetic Predisposition to Disease / genetics
  • Genetic Testing / methods*
  • Humans
  • Potassium Channels, Voltage-Gated / genetics
  • Prenatal Diagnosis / methods*
  • Reproducibility of Results
  • Reverse Transcriptase Polymerase Chain Reaction / methods*
  • Sensitivity and Specificity
  • Ultrasonography, Prenatal / methods

Substances

  • KCNQ1OT1 long non-coding RNA, human
  • Potassium Channels, Voltage-Gated