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Prenatal diagnosis using fetal cells from the maternal circulation
1Department of Obstetrics and Gynecology, Univeristy of North Carolina School of Medicine, Chapel Hill, USA.
Obstetrical & Gynecological Survey
|July 1, 1997
Summary
Noninvasive prenatal genetic screening aims to reduce risks associated with invasive procedures. Researchers are exploring methods to isolate fetal cells from maternal blood for accurate genetic analysis.
Area of Science:
- Obstetrics and Gynecology
- Genetics
- Molecular Biology
Background:
- Current prenatal diagnostic methods like amniocentesis and chorionic villus sampling carry a risk of pregnancy loss.
- There is a significant need for safer, noninvasive prenatal screening techniques.
Purpose of the Study:
- To review methods for isolating fetal cells from maternal blood.
- To highlight nucleated red blood cells as a promising fetal cell type for noninvasive genetic analysis.
Main Methods:
- Review of existing literature on fetal cell isolation techniques from maternal circulation.
- Identification and characterization of fetal nucleated red blood cells.
Main Results:
- Nucleated red blood cells are identified as an ideal fetal cell type for genetic analysis.
- These cells possess necessary DNA, are consistently present in maternal blood, identifiable by morphology, and have a defined gestational lifespan.
Conclusions:
- Isolating fetal nucleated red blood cells from maternal blood represents a minimally invasive approach to prenatal genetic screening.
- Further research into these methods could lead to safer and more effective prenatal diagnostics.