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Ma Y, Gu M, Chen L, Shen H, Pan Y, Pang Y, Miao S, Tong R, Huang H, Zhu Y, Sun L. Recent advances in critical nodes of embryo engineering technology. Theranostics 2021; 11:7391-7424. [PMID: 34158857 PMCID: PMC8210615 DOI: 10.7150/thno.58799] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 05/13/2021] [Indexed: 12/21/2022] Open
Abstract
The normal development and maturation of oocytes and sperm, the formation of fertilized ova, the implantation of early embryos, and the growth and development of foetuses are the biological basis of mammalian reproduction. Therefore, research on oocytes has always occupied a very important position in the life sciences and reproductive medicine fields. Various embryo engineering technologies for oocytes, early embryo formation and subsequent developmental stages and different target sites, such as gene editing, intracytoplasmic sperm injection (ICSI), preimplantation genetic diagnosis (PGD), and somatic cell nuclear transfer (SCNT) technologies, have all been established and widely used in industrialization. However, as research continues to deepen and target species become more advanced, embryo engineering technology has also been developing in a more complex and sophisticated direction. At the same time, the success rate also shows a declining trend, resulting in an extension of the research and development cycle and rising costs. By studying the existing embryo engineering technology process, we discovered three critical nodes that have the greatest impact on the development of oocytes and early embryos, namely, oocyte micromanipulation, oocyte electrical activation/reconstructed embryo electrofusion, and the in vitro culture of early embryos. This article mainly demonstrates the efforts made by researchers in the relevant technologies of these three critical nodes from an engineering perspective, analyses the shortcomings of the current technology, and proposes a plan and prospects for the development of embryo engineering technology in the future.
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Affiliation(s)
- Youwen Ma
- School of Mechanical and Electric Engineering, Jiangsu Provincial Key Laboratory of Advanced Robotics, Soochow University, Suzhou 215123, China
| | - Mingwei Gu
- School of Mechanical and Electric Engineering, Jiangsu Provincial Key Laboratory of Advanced Robotics, Soochow University, Suzhou 215123, China
| | - Liguo Chen
- School of Mechanical and Electric Engineering, Jiangsu Provincial Key Laboratory of Advanced Robotics, Soochow University, Suzhou 215123, China
| | - Hao Shen
- School of Mechanical and Electric Engineering, Jiangsu Provincial Key Laboratory of Advanced Robotics, Soochow University, Suzhou 215123, China
| | - Yifan Pan
- School of Mechanical and Electric Engineering, Jiangsu Provincial Key Laboratory of Advanced Robotics, Soochow University, Suzhou 215123, China
| | - Yan Pang
- School of Mechanical and Electric Engineering, Jiangsu Provincial Key Laboratory of Advanced Robotics, Soochow University, Suzhou 215123, China
| | - Sheng Miao
- School of Mechanical and Electric Engineering, Jiangsu Provincial Key Laboratory of Advanced Robotics, Soochow University, Suzhou 215123, China
| | - Ruiqing Tong
- Cardiology, Dushuhu Public Hospital Affiliated to Soochow University, Suzhou 215000, China
| | - Haibo Huang
- School of Mechanical and Electric Engineering, Jiangsu Provincial Key Laboratory of Advanced Robotics, Soochow University, Suzhou 215123, China
| | - Yichen Zhu
- Jiangsu Key Laboratory of Neuropsychiatric Diseases and Cambridge-Suda Genomic Resource Center, Soochow University, Suzhou 215123, China
| | - Lining Sun
- School of Mechanical and Electric Engineering, Jiangsu Provincial Key Laboratory of Advanced Robotics, Soochow University, Suzhou 215123, China
- State Key Laboratory of Robotics & Systems, Harbin Institute of Technology, Harbin, China
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Wang Y, Ding X, Tan Z, Ning C, Xing K, Yang T, Pan Y, Sun D, Wang C. Genome-Wide Association Study of Piglet Uniformity and Farrowing Interval. Front Genet 2017; 8:194. [PMID: 29234349 PMCID: PMC5712316 DOI: 10.3389/fgene.2017.00194] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2017] [Accepted: 11/15/2017] [Indexed: 02/04/2023] Open
Abstract
Piglet uniformity (PU) and farrowing interval (FI) are important reproductive traits related to production and economic profits in the pig industry. However, the genetic architecture of the longitudinal trends of reproductive traits still remains elusive. Herein, we performed a genome-wide association study (GWAS) to detect potential genetic variation and candidate genes underlying the phenotypic records at different parities for PU and FI in a population of 884 Large White pigs. In total, 12 significant SNPs were detected on SSC1, 3, 4, 9, and 14, which collectively explained 1–1.79% of the phenotypic variance for PU from parity 1 to 4, and 2.58–4.11% for FI at different stages. Of these, seven SNPs were located within 16 QTL regions related to swine reproductive traits. One QTL region was associated with birth body weight (related to PU) and contained the peak SNP MARC0040730, and another was associated with plasma FSH concentration (related to FI) and contained the SNP MARC0031325. Finally, some positional candidate genes for PU and FI were identified because of their roles in prenatal skeletal muscle development, fetal energy substrate, pre-implantation, and the expression of mammary gland epithelium. Identification of novel variants and candidate genes will greatly advance our understanding of the genetic mechanisms of PU and FI, and suggest a specific opportunity for improving marker assisted selection or genomic selection in pigs.
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Affiliation(s)
- Yuan Wang
- Key Laboratory of Animal Genetics and Breeding of Ministry of Agriculture, National Engineering Laboratory of Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Xiangdong Ding
- Key Laboratory of Animal Genetics and Breeding of Ministry of Agriculture, National Engineering Laboratory of Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Zhen Tan
- Key Laboratory of Animal Genetics and Breeding of Ministry of Agriculture, National Engineering Laboratory of Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Chao Ning
- Key Laboratory of Animal Genetics and Breeding of Ministry of Agriculture, National Engineering Laboratory of Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Kai Xing
- Key Laboratory of Animal Genetics and Breeding of Ministry of Agriculture, National Engineering Laboratory of Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Ting Yang
- Key Laboratory of Animal Genetics and Breeding of Ministry of Agriculture, National Engineering Laboratory of Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yongjie Pan
- Beijing Shunxin Agriculture Co., Ltd., Beijing, China
| | - Dongxiao Sun
- Key Laboratory of Animal Genetics and Breeding of Ministry of Agriculture, National Engineering Laboratory of Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Chuduan Wang
- Key Laboratory of Animal Genetics and Breeding of Ministry of Agriculture, National Engineering Laboratory of Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
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Soufi A, Dalton S. Cycling through developmental decisions: how cell cycle dynamics control pluripotency, differentiation and reprogramming. Development 2017; 143:4301-4311. [PMID: 27899507 DOI: 10.1242/dev.142075] [Citation(s) in RCA: 118] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A strong connection exists between the cell cycle and mechanisms required for executing cell fate decisions in a wide-range of developmental contexts. Terminal differentiation is often associated with cell cycle exit, whereas cell fate switches are frequently linked to cell cycle transitions in dividing cells. These phenomena have been investigated in the context of reprogramming, differentiation and trans-differentiation but the underpinning molecular mechanisms remain unclear. Most progress to address the connection between cell fate and the cell cycle has been made in pluripotent stem cells, in which the transition through mitosis and G1 phase is crucial for establishing a window of opportunity for pluripotency exit and the initiation of differentiation. This Review will summarize recent developments in this area and place them in a broader context that has implications for a wide range of developmental scenarios.
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Affiliation(s)
- Abdenour Soufi
- Institute of Stem Cell Research, MRC Centre for Regenerative Medicine, University of Edinburgh, Edinburgh, UK
| | - Stephen Dalton
- Center for Molecular Medicine and Department of Biochemistry and Molecular Biology, University of Georgia, Athens, GA 30602, USA
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Tang X, Qin H, Gu X, Fu X. China’s landscape in regenerative medicine. Biomaterials 2017; 124:78-94. [DOI: 10.1016/j.biomaterials.2017.01.044] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2016] [Revised: 01/24/2017] [Accepted: 01/28/2017] [Indexed: 12/15/2022]
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A monoclonal antibody targeting the dimer interface of epidermal growth factor receptor (EGFR). Immunol Lett 2016; 180:39-45. [DOI: 10.1016/j.imlet.2016.10.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Revised: 10/14/2016] [Accepted: 10/31/2016] [Indexed: 01/19/2023]
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Hara H, Goto T, Takizawa A, Sanbo M, Jacob HJ, Kobayashi T, Nakauchi H, Hochi S, Hirabayashi M. Rat Blastocysts from Nuclear Injection and Time-Lagged Enucleation and Their Commitment to Embryonic Stem Cells. Cell Reprogram 2016; 18:108-15. [DOI: 10.1089/cell.2015.0084] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Affiliation(s)
- Hiromasa Hara
- Center for Genetic Analysis of Behavior, National Institute for Physiological Sciences, Okazaki, Aichi, 444-8787, Japan
| | - Teppei Goto
- Center for Genetic Analysis of Behavior, National Institute for Physiological Sciences, Okazaki, Aichi, 444-8787, Japan
| | - Akiko Takizawa
- Department of Physiology, Human and Molecular Genetics Center, Medical College of Wisconsin, Milwaukee, Wisconsin, 53226
| | - Makoto Sanbo
- Center for Genetic Analysis of Behavior, National Institute for Physiological Sciences, Okazaki, Aichi, 444-8787, Japan
| | - Howard J. Jacob
- Department of Physiology and Department of Pediatrics, Human and Molecular Genetics Center, Medical College of Wisconsin, Milwaukee, Wisconsin, 53226
- Present address: HudsonAlpha Institute for Biotechnology, Huntsville, Alabama, 35806
| | - Toshihiro Kobayashi
- Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo, 108-8639, Japan
- Japan Science Technology Agency, ERATO, Nakauchi Stem Cell and Organ Regeneration Project, Minato-ku, Tokyo, 108-8639, Japan
- Present address: Gurdon Institute, University of Cambridge, Cambridge, CB2 1QN, United Kingdom
| | - Hiromitsu Nakauchi
- Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo, 108-8639, Japan
- Japan Science Technology Agency, ERATO, Nakauchi Stem Cell and Organ Regeneration Project, Minato-ku, Tokyo, 108-8639, Japan
| | - Shinichi Hochi
- Faculty of Textile Science and Technology, Shinshu University, Ueda, Nagano, 386-8567, Japan
| | - Masumi Hirabayashi
- Center for Genetic Analysis of Behavior, National Institute for Physiological Sciences, Okazaki, Aichi, 444-8787, Japan
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Nuclear reprogramming by interphase cytoplasm of two-cell mouse embryos. Nature 2014; 509:101-4. [PMID: 24670652 PMCID: PMC4124901 DOI: 10.1038/nature13134] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2013] [Accepted: 02/06/2014] [Indexed: 11/08/2022]
Abstract
Successful mammalian cloning using somatic cell nuclear transfer (SCNT) into unfertilized, metaphase II (MII)-arrested oocytes attests to the cytoplasmic presence of reprogramming factors capable of inducing totipotency in somatic cell nuclei. However, these poorly defined maternal factors presumably decline sharply after fertilization, as the cytoplasm of pronuclear-stage zygotes is reportedly inactive. Recent evidence suggests that zygotic cytoplasm, if maintained at metaphase, can also support derivation of embryonic stem (ES) cells after SCNT, albeit at low efficiency. This led to the conclusion that critical oocyte reprogramming factors present in the metaphase but not in the interphase cytoplasm are 'trapped' inside the nucleus during interphase and effectively removed during enucleation. Here we investigated the presence of reprogramming activity in the cytoplasm of interphase two-cell mouse embryos (I2C). First, the presence of candidate reprogramming factors was documented in both intact and enucleated metaphase and interphase zygotes and two-cell embryos. Consequently, enucleation did not provide a likely explanation for the inability of interphase cytoplasm to induce reprogramming. Second, when we carefully synchronized the cell cycle stage between the transplanted nucleus (ES cell, fetal fibroblast or terminally differentiated cumulus cell) and the recipient I2C cytoplasm, the reconstructed SCNT embryos developed into blastocysts and ES cells capable of contributing to traditional germline and tetraploid chimaeras. Last, direct transfer of cloned embryos, reconstructed with ES cell nuclei, into recipients resulted in live offspring. Thus, the cytoplasm of I2C supports efficient reprogramming, with cell cycle synchronization between the donor nucleus and recipient cytoplasm as the most critical parameter determining success. The ability to use interphase cytoplasm in SCNT could aid efforts to generate autologous human ES cells for regenerative applications, as donated or discarded embryos are more accessible than unfertilized MII oocytes.
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Liu W, Yin J, Kou X, Jiang Y, Gao H, Zhao Y, Huang B, He W, Wang H, Han Z, Gao S. Asymmetric reprogramming capacity of parental pronuclei in mouse zygotes. Cell Rep 2014; 6:1008-1016. [PMID: 24630997 DOI: 10.1016/j.celrep.2014.02.018] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2013] [Revised: 01/09/2014] [Accepted: 02/13/2014] [Indexed: 12/22/2022] Open
Abstract
It has been demonstrated that reprogramming factors are sequestered in the pronuclei of zygotes after fertilization, because zygotes enucleated at the M phase instead of interphase of the first mitosis can support the development of cloned embryos. However, the contribution of the parental pronucleus derived from either the sperm or the oocyte in reprogramming remains elusive. Here, we demonstrate that the parental pronuclei have asymmetric reprogramming capacities and that the reprogramming factors reside predominantly in the male pronucleus. As a result, only female pronucleus-depleted (FPD) mouse zygotes can reprogram somatic cells to a pluripotent state and support the full-term development of cloned embryos; male pronucleus-depleted (MPD) zygotes fail to support somatic cell reprogramming. We further demonstrate that fusion of an additional male pronucleus into a zygote greatly enhances reprogramming efficiency. Our data provide a clue to further identify critical reprogramming factors in the male pronucleus.
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Affiliation(s)
- Wenqiang Liu
- College of Biological Sciences, China Agricultural University, Beijing 100094, China; National Institute of Biological Sciences, NIBS, Beijing 102206, China; School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Jiqing Yin
- National Institute of Biological Sciences, NIBS, Beijing 102206, China; School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Xiaochen Kou
- National Institute of Biological Sciences, NIBS, Beijing 102206, China; School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Yonghua Jiang
- National Institute of Biological Sciences, NIBS, Beijing 102206, China
| | - Haibo Gao
- National Institute of Biological Sciences, NIBS, Beijing 102206, China
| | - Yanhong Zhao
- National Institute of Biological Sciences, NIBS, Beijing 102206, China; School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Bo Huang
- National Institute of Biological Sciences, NIBS, Beijing 102206, China
| | - Wenteng He
- National Institute of Biological Sciences, NIBS, Beijing 102206, China; School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Hong Wang
- School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Zhiming Han
- State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.
| | - Shaorong Gao
- National Institute of Biological Sciences, NIBS, Beijing 102206, China; School of Life Sciences and Technology, Tongji University, Shanghai 200092, China.
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