Related Experiment Videos
Gender determination by multiplex PCR amplification of alphoid repeat sequences from single cells
N Steuerwald1, H Lambert, A J Steinleitner
1San Francisco Center for Reproductive Medicine, CA 94118.
Biotechniques
|January 1, 1994
Summary
This study demonstrates a method to determine the sex of single cells by coamplifying alphoid repeat sequences from X and Y chromosomes. This technique shows promise for preimplantation genetic diagnosis in assisted reproduction.
Area of Science:
- Genetics
- Molecular Biology
- Reproductive Science
Context:
- Sex determination in single cells is crucial for genetic analysis.
- Preimplantation genetic diagnosis (PGD) aims to identify genetic abnormalities in embryos.
- In vitro fertilization (IVF) involves fertilizing eggs outside the body.
Purpose:
- To develop a reliable method for sex determination in single cells.
- To assess the feasibility of using alphoid repeat coamplification for PGD.
- To evaluate buccal cells as a model for embryonic blastomeres.
Summary:
- Alphoid repeat sequences on X and Y chromosomes were successfully coamplified to determine the sex of single cells.
- Buccal cells were used as a model, showing consistency with single blastomeres from preimplantation embryos.
- The technique's potential for PGD in IVF is discussed.
Impact:
- Provides a novel approach for sex determination at the single-cell level.
- Offers a potential tool to enhance the safety and efficacy of PGD.
- Facilitates genetic screening of embryos during IVF procedures.