期刊
MEDICINE
卷 94, 期 12, 页码 -出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MD.0000000000000669
关键词
-
资金
- National Natural Science Foundation of China [81370765]
- Guangdong Provincial Key Laboratory of Reproductive Medicine [2012A06140003]
- Natural Science fund of Guangdong [S 2013040014613]
To develop a noninvasive medium-based preimplantation genetic diagnosis (PGD) test for alpha-thalassemias(-SEA). The embryos of alpha-thalassemia(-SEA) carriers undergoing in vitro fertilization (IVF) were cultured. Single cells were biopsied fromblastomeres and subjected to fluorescent gap polymerase chain reaction (PCR) analysis; the spent culture media that contained embryo genomic DNA and corresponding blastocysts as verification were subjected to quantitative- PCR (Q-PCR) detection of alpha-thalassemia(-SEA). The diagnosis efficiency and allele dropout (ADO) ratio were calculated, and the cell-free DNA concentration was quantitatively assessed in the culture medium. The diagnosis efficiency of medium-based alpha-thalassemias(-SEA) detection significantly increased compared with that of biopsy-based fluorescent gap PCR analysis (88.6% vs 82.1%, P<0.05). There is no significant difference regarding ADO ratio between them. The optimal time for medium-based alpha-thalassemias(-SEA) detection is Day 5 (D5) following IVF. Medium-based alpha-thalassemias(-SEA) detection could represent a novel, quick, and noninvasive approach for carriers to undergo IVF and PGD.
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