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| Content Provider | Springer Nature Link |
|---|---|
| Author | Sago, H. Kim, H. S. Goldberg, James D. Chung, Jae Hyun Pedersen, Roger A. Lebo, Roger V. |
| Copyright Year | 1997 |
| Abstract | Dual blastomere biopsy and independent blastomere analysis dramatically improved preimplantation diagnostic reliability as confirmed by testing the remaining biopsied eight-cell mouse embryo. The autosomal dominant trembler mouse point mutation was selected as a model for human preimplantation diagnosis because: (1) single cell assay failure is predicted to be the highest when testing autosomal dominant mutations; (2) point mutations represent the most common of all mutation categories and the most demanding mutation to assay reliably; and (3) the trembler mouse point mutation in peripheral myelin protein 22 (Pmp22) is a model of human Charcot-Marie-Tooth type 1A disease. Mathematical models predict our experimental results assuming amplification of 80% of each target allele as well as trembler sperm DNA contamination in 1 of 44 normal biopsied single blastomeres. Single blastomere analysis correctly predicted the genotype in only 84% of embryos that would have been implanted as normal. In contrast, when independent tests of both biopsied blastomeres agreed, test results were confirmed in 20 of 21 (95.2%) of the remaining six-cell biopsied embryos designated as normal. Thus, biopsied six-cell embryo confirmation demonstrated that dual biopsied blastomere analysis improved test reliability remarkably. |
| Starting Page | 223 |
| Ending Page | 228 |
| Page Count | 6 |
| File Format | |
| ISSN | 03406717 |
| Journal | Human Genetics |
| Volume Number | 101 |
| Issue Number | 2 |
| e-ISSN | 14321203 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 1997-11-17 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Genetics (clinical) |
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