|
1
|
Wang X, Zhao J, Yao Z, Xia Q, Chang T, Zeng J, Liu J, Li Y, Zhu H. Arrested Cells/Cellular Debris Expelled from Blastocysts Is Self-Correction Phenomenon During Early Embryonic Development. Reprod Sci 2023; 30:2177-2187. [PMID: 36627481 PMCID: PMC10310642 DOI: 10.1007/s43032-022-01159-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Accepted: 12/21/2022] [Indexed: 01/12/2023]
Abstract
Arrested cells/ cellular debris is component left in the zona pellucida after blastocyst hatching. To identify whether expelling arrested cells/cellular debris from blastocysts is a process of human embryo self-correction by eliminating abnormal cells, 21 pairs of trophectoderm (TE) biopsies and the corresponding arrested cells/cellular debris expelled from the blastocysts from July to December 2020 were collected and analyzed using next-generation sequencing (NGS). Then, the NGS results of TE biopsies and the corresponding arrested cells/cellular debris were compared. We identified that 47.6% of blastocysts (10/21) were aneuploidies and mosaicism. A total of 18 groups of arrested cells/cellular debris (85.7%) expelled from blastocysts were abnormal, including nine aneuploid embryos and nine euploid embryos. In the arrested cells/cellular debris, all the chromosomes were affected. In conclusion, mosaicism and aneuploidies are common features of early embryonic development, and the arrested cells/cellular debris expelled from blastocysts provides evidence of early embryonic self-correction.
Collapse
Affiliation(s)
- Xiaoxia Wang
- Department of Reproductive Center, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, 322000, Zhejiang, China
| | - Jing Zhao
- Department of Reproductive Center, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
- Clinical Research Center for Women's Reproductive Health in Hunan Province, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
| | - Zhongyuan Yao
- Department of Reproductive Center, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
- Clinical Research Center for Women's Reproductive Health in Hunan Province, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, 410000, Hunan, China
| | - Qiuping Xia
- Department of Reproductive Center, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
- Clinical Research Center for Women's Reproductive Health in Hunan Province, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
| | - Tianli Chang
- Department of Reproductive Center, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
- Clinical Research Center for Women's Reproductive Health in Hunan Province, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
| | - Jun Zeng
- Department of Reproductive Center, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
| | - Jiaqi Liu
- Yikon Genomics Company, Ltd, No.218, Xinghu Street, Suzhou, 215000, China
| | - Yanping Li
- Department of Reproductive Center, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
- Clinical Research Center for Women's Reproductive Health in Hunan Province, Xiangya Hospital, Central South University, Changsha, 410078, Hunan, China
| | - Huimin Zhu
- Center for Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, 410000, Hunan, China.
| |
Collapse
|