Noninvasive Prenatal Detection of a Fetal Mutation
Author Information
Author(s): Ana Bustamante-Aragones, Elena Vallespin, Marta Rodriguez de Alba, Maria Jose Trujillo-Tiebas, Cristina Gonzalez-Gonzalez, Dan Diego-Alvarez, Rosa Riveiro-Alvarez, Isabel Lorda-Sanchez, Carmen Ayuso, Carmen Ramos
Primary Institution: Fundacion Jimenez Diaz-Capio, CIBERER, Madrid, Spain
Hypothesis
Can denaturing High Performance Liquid Chromatography (dHPLC) detect a fetal CRB1 mutation in maternal plasma?
Conclusion
dHPLC is effective in detecting small amounts of fetal DNA in maternal plasma, making it a promising tool for noninvasive prenatal diagnosis.
Supporting Evidence
- dHPLC was able to detect the paternally inherited fetal CRB1 mutation in maternal plasma.
- The percentage of fetal DNA in maternal plasma was at least 2%.
- Automated DNA sequencing could not detect the fetal mutation in the plasma sample.
Takeaway
Doctors can find out if a baby has a specific genetic mutation by testing the mother's blood instead of doing risky procedures.
Methodology
The study used dHPLC and automated DNA sequencing to analyze maternal plasma for fetal DNA mutations.
Limitations
The detection of the fetal mutation was not possible by automated DNA sequencing.
Participant Demographics
The study involved a fetus with two mutations in the CRB1 gene, inherited from heterozygous parents.
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