1
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Gantner CW, Weatherbee BAT, Wang Y, Zernicka-Goetz M. Assembly of a stem cell-derived human postimplantation embryo model. Nat Protoc 2024:10.1038/s41596-024-01042-7. [PMID: 39261744 DOI: 10.1038/s41596-024-01042-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 06/24/2024] [Indexed: 09/13/2024]
Abstract
The embryonic and extraembryonic tissue interactions underlying human embryogenesis at implantation stages are not currently understood. We have generated a pluripotent stem cell-derived model that mimics aspects of peri-implantation development, allowing tractable experimentation otherwise impossible in the human embryo. Activation of the extraembryonic lineage-specific transcription factors GATA6 and SOX17 (hypoblast factors) or GATA3 and TFAP2C (encoding AP2γ; trophoblast factors) in human embryonic stem (ES) cells drive conversion to extraembryonic-like cells. When combined with wild-type ES cells, self-organized embryo-like structures form in the absence of exogenous factors, termed human inducible embryoids (hiEmbryoids). The epiblast-like domain of hiEmbryoids polarizes and differentiates in response to extraembryonic-secreted extracellular matrix and morphogen cues. Extraembryonic mesenchyme, amnion and primordial germ cells are specified in hiEmbryoids in a stepwise fashion. After establishing stable inducible ES lines and converting ES cells to RSeT culture media, the protocol takes 7-10 d to generate hiEmbryoids. Generation of hiEmbryoids can be performed by researchers with basic expertise in stem cell culture.
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Affiliation(s)
- Carlos W Gantner
- Mammalian Embryo and Stem Cell Group, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
| | - Bailey A T Weatherbee
- Mammalian Embryo and Stem Cell Group, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
| | - Yuntao Wang
- Mammalian Embryo and Stem Cell Group, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
| | - Magdalena Zernicka-Goetz
- Mammalian Embryo and Stem Cell Group, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK.
- Stem Cell Embryo Models Group, Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA.
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2
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Kim CD, Koo KM, Kim HJ, Kim TH. Recent Advances in Nanomaterials for Modulation of Stem Cell Differentiation and Its Therapeutic Applications. BIOSENSORS 2024; 14:407. [PMID: 39194636 DOI: 10.3390/bios14080407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2024] [Revised: 08/14/2024] [Accepted: 08/20/2024] [Indexed: 08/29/2024]
Abstract
Challenges in directed differentiation and survival limit the clinical use of stem cells despite their promising therapeutic potential in regenerative medicine. Nanotechnology has emerged as a powerful tool to address these challenges and enable precise control over stem cell fate. In particular, nanomaterials can mimic an extracellular matrix and provide specific cues to guide stem cell differentiation and proliferation in the field of nanotechnology. For instance, recent studies have demonstrated that nanostructured surfaces and scaffolds can enhance stem cell lineage commitment modulated by intracellular regulation and external stimulation, such as reactive oxygen species (ROS) scavenging, autophagy, or electrical stimulation. Furthermore, nanoframework-based and upconversion nanoparticles can be used to deliver bioactive molecules, growth factors, and genetic materials to facilitate stem cell differentiation and tissue regeneration. The increasing use of nanostructures in stem cell research has led to the development of new therapeutic approaches. Therefore, this review provides an overview of recent advances in nanomaterials for modulating stem cell differentiation, including metal-, carbon-, and peptide-based strategies. In addition, we highlight the potential of these nano-enabled technologies for clinical applications of stem cell therapy by focusing on improving the differentiation efficiency and therapeutics. We believe that this review will inspire researchers to intensify their efforts and deepen their understanding, thereby accelerating the development of stem cell differentiation modulation, therapeutic applications in the pharmaceutical industry, and stem cell therapeutics.
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Affiliation(s)
- Chang-Dae Kim
- School of Integrative Engineering, Chung-Ang University, 84 Heukseuk-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Kyeong-Mo Koo
- School of Integrative Engineering, Chung-Ang University, 84 Heukseuk-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Hyung-Joo Kim
- School of Integrative Engineering, Chung-Ang University, 84 Heukseuk-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Tae-Hyung Kim
- School of Integrative Engineering, Chung-Ang University, 84 Heukseuk-ro, Dongjak-gu, Seoul 06974, Republic of Korea
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3
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Piszker W, Simunovic M. The fusion of physics and biology in early mammalian embryogenesis. Curr Top Dev Biol 2024; 160:31-64. [PMID: 38937030 DOI: 10.1016/bs.ctdb.2024.05.001] [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] [Indexed: 06/29/2024]
Abstract
Biomechanics in embryogenesis is a dynamic field intertwining the physical forces and biological processes that shape the first days of a mammalian embryo. From the first cell fate bifurcation during blastulation to the complex symmetry breaking and tissue remodeling in gastrulation, mechanical cues appear critical in cell fate decisions and tissue patterning. Recent strides in mouse and human embryo culture, stem cell modeling of mammalian embryos, and biomaterial design have shed light on the role of cellular forces, cell polarization, and the extracellular matrix in influencing cell differentiation and morphogenesis. This chapter highlights the essential functions of biophysical mechanisms in blastocyst formation, embryo implantation, and early gastrulation where the interplay between the cytoskeleton and extracellular matrix stiffness orchestrates the intricacies of embryogenesis and placenta specification. The advancement of in vitro models like blastoids, gastruloids, and other types of embryoids, has begun to faithfully recapitulate human development stages, offering new avenues for exploring the biophysical underpinnings of early development. The integration of synthetic biology and advanced biomaterials is enhancing the precision with which we can mimic and study these processes. Looking ahead, we emphasize the potential of CRISPR-mediated genomic perturbations coupled with live imaging to uncover new mechanosensitive pathways and the application of engineered biomaterials to fine-tune the mechanical conditions conducive to embryonic development. This synthesis not only bridges the gap between experimental models and in vivo conditions to advancing fundamental developmental biology of mammalian embryogenesis, but also sets the stage for leveraging biomechanical insights to inform regenerative medicine.
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Affiliation(s)
- Walter Piszker
- Department of Chemical Engineering, Fu Foundation School of Engineering and Applied Sciences, Columbia University, New York, NY, United States; Columbia Stem Cell Initiative, Columbia University Irving Medical Center, New York, NY, United States
| | - Mijo Simunovic
- Department of Chemical Engineering, Fu Foundation School of Engineering and Applied Sciences, Columbia University, New York, NY, United States; Columbia Stem Cell Initiative, Columbia University Irving Medical Center, New York, NY, United States; Department of Genetics and Development, Columbia Irving Medical Center, New York, NY, United States.
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4
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Wu J, Fu J. Toward developing human organs via embryo models and chimeras. Cell 2024; 187:3194-3219. [PMID: 38906095 PMCID: PMC11239105 DOI: 10.1016/j.cell.2024.05.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 02/02/2024] [Accepted: 05/14/2024] [Indexed: 06/23/2024]
Abstract
Developing functional organs from stem cells remains a challenging goal in regenerative medicine. Existing methodologies, such as tissue engineering, bioprinting, and organoids, only offer partial solutions. This perspective focuses on two promising approaches emerging for engineering human organs from stem cells: stem cell-based embryo models and interspecies organogenesis. Both approaches exploit the premise of guiding stem cells to mimic natural development. We begin by summarizing what is known about early human development as a blueprint for recapitulating organogenesis in both embryo models and interspecies chimeras. The latest advances in both fields are discussed before highlighting the technological and knowledge gaps to be addressed before the goal of developing human organs could be achieved using the two approaches. We conclude by discussing challenges facing embryo modeling and interspecies organogenesis and outlining future prospects for advancing both fields toward the generation of human tissues and organs for basic research and translational applications.
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Affiliation(s)
- Jun Wu
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA.
| | - Jianping Fu
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; Department of Cell & Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA.
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5
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Xue G, Zhang X, Li W, Zhang L, Zhang Z, Zhou X, Zhang D, Zhang L, Li Z. A logic-incorporated gene regulatory network deciphers principles in cell fate decisions. eLife 2024; 12:RP88742. [PMID: 38652107 PMCID: PMC11037919 DOI: 10.7554/elife.88742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024] Open
Abstract
Organisms utilize gene regulatory networks (GRN) to make fate decisions, but the regulatory mechanisms of transcription factors (TF) in GRNs are exceedingly intricate. A longstanding question in this field is how these tangled interactions synergistically contribute to decision-making procedures. To comprehensively understand the role of regulatory logic in cell fate decisions, we constructed a logic-incorporated GRN model and examined its behavior under two distinct driving forces (noise-driven and signal-driven). Under the noise-driven mode, we distilled the relationship among fate bias, regulatory logic, and noise profile. Under the signal-driven mode, we bridged regulatory logic and progression-accuracy trade-off, and uncovered distinctive trajectories of reprogramming influenced by logic motifs. In differentiation, we characterized a special logic-dependent priming stage by the solution landscape. Finally, we applied our findings to decipher three biological instances: hematopoiesis, embryogenesis, and trans-differentiation. Orthogonal to the classical analysis of expression profile, we harnessed noise patterns to construct the GRN corresponding to fate transition. Our work presents a generalizable framework for top-down fate-decision studies and a practical approach to the taxonomy of cell fate decisions.
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Affiliation(s)
- Gang Xue
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking UniversityBeijingChina
| | - Xiaoyi Zhang
- Center for Quantitative Biology, Academy for Advanced Interdisciplinary Studies, Peking UniversityBeijingChina
| | - Wanqi Li
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking UniversityBeijingChina
| | - Lu Zhang
- Center for Quantitative Biology, Academy for Advanced Interdisciplinary Studies, Peking UniversityBeijingChina
| | - Zongxu Zhang
- Center for Quantitative Biology, Academy for Advanced Interdisciplinary Studies, Peking UniversityBeijingChina
| | - Xiaolin Zhou
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking UniversityBeijingChina
| | - Di Zhang
- Center for Quantitative Biology, Academy for Advanced Interdisciplinary Studies, Peking UniversityBeijingChina
| | - Lei Zhang
- Center for Quantitative Biology, Academy for Advanced Interdisciplinary Studies, Peking UniversityBeijingChina
- Beijing International Center for Mathematical Research, Center for Machine Learning Research, Peking UniversityBeijingChina
| | - Zhiyuan Li
- Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking UniversityBeijingChina
- Center for Quantitative Biology, Academy for Advanced Interdisciplinary Studies, Peking UniversityBeijingChina
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6
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Lodewijk GA, Kozuki S, Han C, Topacio BR, Zargari A, Lee S, Knight G, Ashton R, Qi LS, Shariati SA. Self-organization of embryonic stem cells into a reproducible embryo model through epigenome editing. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.05.583597. [PMID: 38496557 PMCID: PMC10942404 DOI: 10.1101/2024.03.05.583597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Embryonic stem cells (ESCs) can self-organize in vitro into developmental patterns with spatial organization and molecular similarity to that of early embryonic stages. This self-organization of ESCs requires transmission of signaling cues, via addition of small molecule chemicals or recombinant proteins, to induce distinct embryonic cellular fates and subsequent assembly into structures that can mimic aspects of early embryonic development. During natural embryonic development, different embryonic cell types co-develop together, where each cell type expresses specific fate-inducing transcription factors through activation of non-coding regulatory elements and interactions with neighboring cells. However, previous studies have not fully explored the possibility of engineering endogenous regulatory elements to shape self-organization of ESCs into spatially-ordered embryo models. Here, we hypothesized that cell-intrinsic activation of a minimum number of such endogenous regulatory elements is sufficient to self-organize ESCs into early embryonic models. Our results show that CRISPR-based activation (CRISPRa) of only two endogenous regulatory elements in the genome of pluripotent stem cells is sufficient to generate embryonic patterns that show spatial and molecular resemblance to that of pre-gastrulation mouse embryonic development. Quantitative single-cell live fluorescent imaging showed that the emergence of spatially-ordered embryonic patterns happens through the intrinsic induction of cell fate that leads to an orchestrated collective cellular motion. Based on these results, we propose a straightforward approach to efficiently form 3D embryo models through intrinsic CRISPRa-based epigenome editing and independent of external signaling cues. CRISPRa-Programmed Embryo Models (CPEMs) show highly consistent composition of major embryonic cell types that are spatially-organized, with nearly 80% of the structures forming an embryonic cavity. Single cell transcriptomics confirmed the presence of main embryonic cell types in CPEMs with transcriptional similarity to pre-gastrulation mouse embryos and revealed novel signaling communication links between different embryonic cell types. Our findings offer a programmable embryo model and demonstrate that minimum intrinsic epigenome editing is sufficient to self-organize ESCs into highly consistent pre-gastrulation embryo models.
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Affiliation(s)
- Gerrald A Lodewijk
- Department of Biomolecular Engineering, University of California, Santa Cruz, CA
- Genomics Institute, University of California, Santa Cruz, CA
- Institute for The Biology of Stem Cells, University of California, Santa Cruz, CA
- Equal contribution to this work
| | - Sayaka Kozuki
- Department of Biomolecular Engineering, University of California, Santa Cruz, CA
- Genomics Institute, University of California, Santa Cruz, CA
- Institute for The Biology of Stem Cells, University of California, Santa Cruz, CA
- Equal contribution to this work
| | - Clara Han
- Department of Biomolecular Engineering, University of California, Santa Cruz, CA
- Genomics Institute, University of California, Santa Cruz, CA
- Institute for The Biology of Stem Cells, University of California, Santa Cruz, CA
| | - Benjamin R Topacio
- Department of Biomolecular Engineering, University of California, Santa Cruz, CA
- Genomics Institute, University of California, Santa Cruz, CA
- Institute for The Biology of Stem Cells, University of California, Santa Cruz, CA
| | - Abolfazl Zargari
- Department of Electrical and Computer Engineering, University of California, Santa Cruz, CA
| | - Seungho Lee
- Department of Biomolecular Engineering, University of California, Santa Cruz, CA
- Genomics Institute, University of California, Santa Cruz, CA
- Institute for The Biology of Stem Cells, University of California, Santa Cruz, CA
| | - Gavin Knight
- Neurosetta LLC, Madison, WI
- Wisconsin Institute for Discovery, Madison, WI
| | - Randolph Ashton
- Neurosetta LLC, Madison, WI
- Wisconsin Institute for Discovery, Madison, WI
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI
| | - Lei S Qi
- Department of Bioengineering, Stanford University, Stanford, CA
- Sarafan ChEM-H, Stanford University, Stanford, CA
- Chan Zuckerberg Biohub - San Francisco, San Francisco, CA
| | - S Ali Shariati
- Department of Biomolecular Engineering, University of California, Santa Cruz, CA
- Genomics Institute, University of California, Santa Cruz, CA
- Institute for The Biology of Stem Cells, University of California, Santa Cruz, CA
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7
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Handford CE, Junyent S, Jorgensen V, Zernicka-Goetz M. Topical section: embryonic models (2023) for Current Opinion in Genetics & Development. Curr Opin Genet Dev 2024; 84:102134. [PMID: 38052116 DOI: 10.1016/j.gde.2023.102134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 10/20/2023] [Accepted: 11/03/2023] [Indexed: 12/07/2023]
Abstract
Stem cell-based mammalian embryo models facilitate the discovery of developmental mechanisms because they are more amenable to genetic and epigenetic perturbations than natural embryos. Here, we highlight exciting recent advances that have yielded a plethora of models of embryonic development. Imperfections in these models highlight gaps in our current understanding and outline future research directions, ushering in an exciting new era for embryology.
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Affiliation(s)
- Charlotte E Handford
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA. https://twitter.com/@CEHandford
| | - Sergi Junyent
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA. https://twitter.com/@JunyentSergi
| | - Victoria Jorgensen
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA
| | - Magdalena Zernicka-Goetz
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA; Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK.
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8
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De Santis R, Rice E, Croft G, Yang M, Rosado-Olivieri EA, Brivanlou AH. The emergence of human gastrulation upon in vitro attachment. Stem Cell Reports 2024; 19:41-53. [PMID: 38101401 PMCID: PMC10828709 DOI: 10.1016/j.stemcr.2023.11.005] [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: 10/23/2023] [Revised: 11/15/2023] [Accepted: 11/16/2023] [Indexed: 12/17/2023] Open
Abstract
While studied extensively in model systems, human gastrulation remains obscure. The scarcity of fetal biological material as well as ethical considerations limit our understanding of this process. In vitro attachment of natural blastocysts shed light on aspects of the second week of human development in the absence of the morphological manifestation of gastrulation. Stem cell-derived blastocyst models, blastoids, provide the opportunity to reconstitute pre- to post-implantation development in vitro. Here we show that upon in vitro attachment, human blastoids self-organize a BRA+ population and undergo gastrulation. Single-cell RNA sequencing of these models replicates the transcriptomic signature of the human gastrula. Analysis of developmental timing reveals that in both blastoid models and natural human embryos, the onset of gastrulation as defined by molecular markers, can be traced to timescales equivalent to 12 days post fertilization. In all, natural human embryos and blastoid models self-organize primitive streak and mesoderm derivatives upon in vitro attachment.
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Affiliation(s)
- Riccardo De Santis
- Laboratory of Stem Cell Biology and Molecular Embryology, The Rockefeller University, New York, NY, USA
| | - Eleni Rice
- Laboratory of Stem Cell Biology and Molecular Embryology, The Rockefeller University, New York, NY, USA
| | - Gist Croft
- The New York Stem Cell Foundation Research Institute, New York, NY, USA
| | - Min Yang
- Laboratory of Stem Cell Biology and Molecular Embryology, The Rockefeller University, New York, NY, USA
| | - Edwin A Rosado-Olivieri
- Laboratory of Stem Cell Biology and Molecular Embryology, The Rockefeller University, New York, NY, USA
| | - Ali H Brivanlou
- Laboratory of Stem Cell Biology and Molecular Embryology, The Rockefeller University, New York, NY, USA.
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9
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Wei Y, Zhang E, Yu L, Ci B, Sakurai M, Guo L, Zhang X, Lin S, Takii S, Liu L, Liu J, Schmitz DA, Su T, Zhang J, Shen Q, Ding Y, Zhan L, Sun HX, Zheng C, Xu L, Okamura D, Ji W, Tan T, Wu J. Dissecting embryonic and extraembryonic lineage crosstalk with stem cell co-culture. Cell 2023; 186:5859-5875.e24. [PMID: 38052213 PMCID: PMC10916932 DOI: 10.1016/j.cell.2023.11.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 09/01/2023] [Accepted: 11/02/2023] [Indexed: 12/07/2023]
Abstract
Embryogenesis necessitates harmonious coordination between embryonic and extraembryonic tissues. Although stem cells of both embryonic and extraembryonic origins have been generated, they are grown in different culture conditions. In this study, utilizing a unified culture condition that activates the FGF, TGF-β, and WNT pathways, we have successfully derived embryonic stem cells (FTW-ESCs), extraembryonic endoderm stem cells (FTW-XENs), and trophoblast stem cells (FTW-TSCs) from the three foundational tissues of mouse and cynomolgus monkey (Macaca fascicularis) blastocysts. This approach facilitates the co-culture of embryonic and extraembryonic stem cells, revealing a growth inhibition effect exerted by extraembryonic endoderm cells on pluripotent cells, partially through extracellular matrix signaling. Additionally, our cross-species analysis identified both shared and unique transcription factors and pathways regulating FTW-XENs. The embryonic and extraembryonic stem cell co-culture strategy offers promising avenues for developing more faithful embryo models and devising more developmentally pertinent differentiation protocols.
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Affiliation(s)
- Yulei Wei
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; State Key Laboratory of Animal Biotech Breeding, College of Biological Sciences, China Agricultural University, Beijing 100193, China.
| | - E Zhang
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
| | - Leqian Yu
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, China; Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China
| | - Baiquan Ci
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
| | - Masahiro Sakurai
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Lei Guo
- Quantitative Biomedical Research Center, Peter O'Donnell Jr. School of Public Health, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Xin Zhang
- State Key Laboratory of Animal Biotech Breeding, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Sirui Lin
- State Key Laboratory of Animal Biotech Breeding, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Shino Takii
- Department of Advanced Bioscience, Graduate School of Agriculture, Kindai University, Nakamachi, Nara 631-8505, Japan
| | - Lizhong Liu
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Jian Liu
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
| | - Daniel A Schmitz
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Ting Su
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
| | - Junmei Zhang
- State Key Laboratory of Animal Biotech Breeding, College of Biological Sciences, China Agricultural University, Beijing 100193, China; State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, China
| | - Qiaoyan Shen
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing 100101, China
| | - Yi Ding
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Linfeng Zhan
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China
| | | | - Canbin Zheng
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Lin Xu
- Quantitative Biomedical Research Center, Peter O'Donnell Jr. School of Public Health, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Daiji Okamura
- Department of Advanced Bioscience, Graduate School of Agriculture, Kindai University, Nakamachi, Nara 631-8505, Japan
| | - Weizhi Ji
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China.
| | - Tao Tan
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan 650500, China.
| | - Jun Wu
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
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10
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Simpson L, Alberio R. Interspecies control of development during mammalian gastrulation. Emerg Top Life Sci 2023; 7:397-408. [PMID: 37933589 PMCID: PMC10754326 DOI: 10.1042/etls20230083] [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: 08/28/2023] [Revised: 10/19/2023] [Accepted: 10/23/2023] [Indexed: 11/08/2023]
Abstract
Gastrulation represents a pivotal phase of development and aberrations during this period can have major consequences, from minor anatomical deviations to severe congenital defects. Animal models are used to study gastrulation, however, there is considerable morphological and molecular diversity of gastrula across mammalian species. Here, we provide an overview of the latest research on interspecies developmental control across mammals. This includes single-cell atlases of several mammalian gastrula which have enabled comparisons of the temporal and molecular dynamics of differentiation. These studies highlight conserved cell differentiation regulators and both absolute and relative differences in differentiation dynamics between species. Recent advances in in vitro culture techniques have facilitated the derivation, maintenance and differentiation of cell lines from a range of species and the creation of multi-species models of gastrulation. Gastruloids are three-dimensional aggregates capable of self-organising and recapitulating aspects of gastrulation. Such models enable species comparisons outside the confines of the embryo. We highlight recent in vitro evidence that differentiation processes such as somitogenesis and neuronal maturation scale with known in vivo differences in developmental tempo across species. This scaling is likely due to intrinsic differences in cell biochemistry. We also highlight several studies which provide examples of cell differentiation dynamics being influenced by extrinsic factors, including culture conditions, chimeric co-culture, and xenotransplantation. These collective studies underscore the complexity of gastrulation across species, highlighting the necessity of additional datasets and studies to decipher the intricate balance between intrinsic cellular programs and extrinsic signals in shaping embryogenesis.
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Affiliation(s)
- Luke Simpson
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough LE12 5RD, U.K
| | - Ramiro Alberio
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough LE12 5RD, U.K
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11
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Affiliation(s)
- Magdalena Zernicka-Goetz
- Division of Biology, California Institute of Technology, Pasadena, CA, USA.
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK.
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12
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Weatherbee BAT, Gantner CW, Iwamoto-Stohl LK, Daza RM, Hamazaki N, Shendure J, Zernicka-Goetz M. Pluripotent stem cell-derived model of the post-implantation human embryo. Nature 2023; 622:584-593. [PMID: 37369347 PMCID: PMC10584688 DOI: 10.1038/s41586-023-06368-y] [Citation(s) in RCA: 68] [Impact Index Per Article: 68.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 06/23/2023] [Indexed: 06/29/2023]
Abstract
The human embryo undergoes morphogenetic transformations following implantation into the uterus, but our knowledge of this crucial stage is limited by the inability to observe the embryo in vivo. Models of the embryo derived from stem cells are important tools for interrogating developmental events and tissue-tissue crosstalk during these stages1. Here we establish a model of the human post-implantation embryo, a human embryoid, comprising embryonic and extraembryonic tissues. We combine two types of extraembryonic-like cell generated by overexpression of transcription factors with wild-type embryonic stem cells and promote their self-organization into structures that mimic several aspects of the post-implantation human embryo. These self-organized aggregates contain a pluripotent epiblast-like domain surrounded by extraembryonic-like tissues. Our functional studies demonstrate that the epiblast-like domain robustly differentiates into amnion, extraembryonic mesenchyme and primordial germ cell-like cells in response to bone morphogenetic protein cues. In addition, we identify an inhibitory role for SOX17 in the specification of anterior hypoblast-like cells2. Modulation of the subpopulations in the hypoblast-like compartment demonstrates that extraembryonic-like cells influence epiblast-like domain differentiation, highlighting functional tissue-tissue crosstalk. In conclusion, we present a modular, tractable, integrated3 model of the human embryo that will enable us to probe key questions of human post-implantation development, a critical window during which substantial numbers of pregnancies fail.
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Affiliation(s)
- Bailey A T Weatherbee
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
| | - Carlos W Gantner
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
| | - Lisa K Iwamoto-Stohl
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
| | - Riza M Daza
- Department of Genome Sciences, University of Washington School of Medicine, Seattle, WA, USA
| | - Nobuhiko Hamazaki
- Department of Genome Sciences, University of Washington School of Medicine, Seattle, WA, USA
| | - Jay Shendure
- Department of Genome Sciences, University of Washington School of Medicine, Seattle, WA, USA
- Brotman Baty Institute for Precision Medicine, Seattle, WA, USA
- Howard Hughes Medical Institute, Seattle, WA, USA
- Allen Discovery Center for Cell Lineage Tracing, Seattle, WA, USA
| | - Magdalena Zernicka-Goetz
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK.
- Allen Discovery Center for Cell Lineage Tracing, Seattle, WA, USA.
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA.
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13
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Kim Y, Kim I, Shin K. A new era of stem cell and developmental biology: from blastoids to synthetic embryos and beyond. Exp Mol Med 2023; 55:2127-2137. [PMID: 37779144 PMCID: PMC10618288 DOI: 10.1038/s12276-023-01097-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/17/2023] [Accepted: 07/17/2023] [Indexed: 10/03/2023] Open
Abstract
Recent discoveries in stem cell and developmental biology have introduced a new era marked by the generation of in vitro models that recapitulate early mammalian development, providing unprecedented opportunities for extensive research in embryogenesis. Here, we present an overview of current techniques that model early mammalian embryogenesis, specifically noting models created from stem cells derived from two significant species: Homo sapiens, for its high relevance, and Mus musculus, a historically common and technically advanced model organism. We aim to provide a holistic understanding of these in vitro models by tracing the historical background of the progress made in stem cell biology and discussing the fundamental underlying principles. At each developmental stage, we present corresponding in vitro models that recapitulate the in vivo embryo and further discuss how these models may be used to model diseases. Through a discussion of these models as well as their potential applications and future challenges, we hope to demonstrate how these innovative advances in stem cell research may be further developed to actualize a model to be used in clinical practice.
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Affiliation(s)
- Yunhee Kim
- School of Biological Sciences, College of Natural Sciences, Seoul National University, Seoul, 08826, Republic of Korea
- Institute of Molecular Biology and Genetics, Seoul National University, Seoul, 08826, Republic of Korea
| | - Inha Kim
- School of Biological Sciences, College of Natural Sciences, Seoul National University, Seoul, 08826, Republic of Korea
- Institute of Molecular Biology and Genetics, Seoul National University, Seoul, 08826, Republic of Korea
| | - Kunyoo Shin
- School of Biological Sciences, College of Natural Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
- Institute of Molecular Biology and Genetics, Seoul National University, Seoul, 08826, Republic of Korea.
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14
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Ai Z, Niu B, Yin Y, Xiang L, Shi G, Duan K, Wang S, Hu Y, Zhang C, Zhang C, Rong L, Kong R, Chen T, Guo Y, Liu W, Li N, Zhao S, Zhu X, Mai X, Li Y, Wu Z, Zheng Y, Fu J, Ji W, Li T. Dissecting peri-implantation development using cultured human embryos and embryo-like assembloids. Cell Res 2023; 33:661-678. [PMID: 37460804 PMCID: PMC10474050 DOI: 10.1038/s41422-023-00846-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 06/24/2023] [Indexed: 09/03/2023] Open
Abstract
Studies of cultured embryos have provided insights into human peri-implantation development. However, detailed knowledge of peri-implantation lineage development as well as underlying mechanisms remains obscure. Using 3D-cultured human embryos, herein we report a complete cell atlas of the early post-implantation lineages and decipher cellular composition and gene signatures of the epiblast and hypoblast derivatives. In addition, we develop an embryo-like assembloid (E-assembloid) by assembling naive hESCs and extraembryonic cells. Using human embryos and E-assembloids, we reveal that WNT, BMP and Nodal signaling pathways synergistically, but functionally differently, orchestrate human peri-implantation lineage development. Specially, we dissect mechanisms underlying extraembryonic mesoderm and extraembryonic endoderm specifications. Finally, an improved E-assembloid is developed to recapitulate the epiblast and hypoblast development and tissue architectures in the pre-gastrulation human embryo. Our findings provide insights into human peri-implantation development, and the E-assembloid offers a useful model to disentangle cellular behaviors and signaling interactions that drive human embryogenesis.
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Affiliation(s)
- Zongyong Ai
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China.
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan, China.
- Yunnan Provincial Academy of Science and Technology, Kunming, Yunnan, China.
| | - Baohua Niu
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan, China
| | - Yu Yin
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan, China
- Yunnan Provincial Academy of Science and Technology, Kunming, Yunnan, China
| | - Lifeng Xiang
- Department of Reproductive Medicine, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China
| | - Gaohui Shi
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan, China
| | - Kui Duan
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan, China
- Yunnan Provincial Academy of Science and Technology, Kunming, Yunnan, China
| | - Sile Wang
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan, China
- Yunnan Provincial Academy of Science and Technology, Kunming, Yunnan, China
| | - Yingjie Hu
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan, China
| | - Chi Zhang
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan, China
| | - Chengting Zhang
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan, China
- Yunnan Provincial Academy of Science and Technology, Kunming, Yunnan, China
| | - Lujuan Rong
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan, China
| | - Ruize Kong
- Department of Reproductive Medicine, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China
| | - Tingwei Chen
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan, China
| | - Yixin Guo
- Zhejiang University-University of Edinburgh Institute (ZJU-UoE Institute), Zhejiang University School of Medicine, International Campus, Zhejiang University, Haining, Zhejiang, China
| | - Wanlu Liu
- Zhejiang University-University of Edinburgh Institute (ZJU-UoE Institute), Zhejiang University School of Medicine, International Campus, Zhejiang University, Haining, Zhejiang, China
| | - Nan Li
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan, China
| | - Shumei Zhao
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan, China
- Yunnan Provincial Academy of Science and Technology, Kunming, Yunnan, China
| | - Xiaoqing Zhu
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan, China
- Yunnan Provincial Academy of Science and Technology, Kunming, Yunnan, China
| | - Xuancheng Mai
- Department of Reproductive Medicine, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China
| | - Yonggang Li
- Department of Reproductive Medicine, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China
| | - Ze Wu
- Department of Reproductive Medicine, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China
| | - Yi Zheng
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI, USA
| | - Jianping Fu
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI, USA
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA
- Department of Cell & Developmental Biology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Weizhi Ji
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China.
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan, China.
- Yunnan Provincial Academy of Science and Technology, Kunming, Yunnan, China.
| | - Tianqing Li
- State Key Laboratory of Primate Biomedical Research; Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, Yunnan, China.
- Yunnan Key Laboratory of Primate Biomedical Research, Kunming, Yunnan, China.
- Yunnan Provincial Academy of Science and Technology, Kunming, Yunnan, China.
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15
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Liu L, Oura S, Markham Z, Hamilton JN, Skory RM, Li L, Sakurai M, Wang L, Pinzon-Arteaga CA, Plachta N, Hon GC, Wu J. Modeling post-implantation stages of human development into early organogenesis with stem-cell-derived peri-gastruloids. Cell 2023; 186:3776-3792.e16. [PMID: 37478861 DOI: 10.1016/j.cell.2023.07.018] [Citation(s) in RCA: 35] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/11/2023] [Accepted: 07/12/2023] [Indexed: 07/23/2023]
Abstract
In vitro stem cell models that replicate human gastrulation have been generated, but they lack the essential extraembryonic cells needed for embryonic development, morphogenesis, and patterning. Here, we describe a robust and efficient method that prompts human extended pluripotent stem cells to self-organize into embryo-like structures, termed peri-gastruloids, which encompass both embryonic (epiblast) and extraembryonic (hypoblast) tissues. Although peri-gastruloids are not viable due to the exclusion of trophoblasts, they recapitulate critical stages of human peri-gastrulation development, such as forming amniotic and yolk sac cavities, developing bilaminar and trilaminar embryonic discs, specifying primordial germ cells, initiating gastrulation, and undergoing early neurulation and organogenesis. Single-cell RNA-sequencing unveiled transcriptomic similarities between advanced human peri-gastruloids and primary peri-gastrulation cell types found in humans and non-human primates. This peri-gastruloid platform allows for further exploration beyond gastrulation and may potentially aid in the development of human fetal tissues for use in regenerative medicine.
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Affiliation(s)
- Lizhong Liu
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Seiya Oura
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Zachary Markham
- Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - James N Hamilton
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Robin M Skory
- Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; Department of Cell and Developmental Biology, Institute for Regenerative Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Leijie Li
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Masahiro Sakurai
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Lei Wang
- Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Carlos A Pinzon-Arteaga
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Nicolas Plachta
- Department of Cell and Developmental Biology, Institute for Regenerative Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Gary C Hon
- Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA; Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, TX, USA; Department of Bioinformatics, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Jun Wu
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA; Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA; Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA.
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16
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Farkas K, Ferretti E. Derivation of Human Extraembryonic Mesoderm-like Cells from Primitive Endoderm. Int J Mol Sci 2023; 24:11366. [PMID: 37511125 PMCID: PMC10380231 DOI: 10.3390/ijms241411366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 06/22/2023] [Accepted: 06/29/2023] [Indexed: 07/30/2023] Open
Abstract
In vitro modeling of human peri-gastrulation development is a valuable tool for understanding embryogenetic mechanisms. The extraembryonic mesoderm (ExM) is crucial in supporting embryonic development by forming tissues such as the yolk sac, allantois, and chorionic villi. However, the origin of human ExM remains only partially understood. While evidence suggests a primitive endoderm (PrE) origin based on morphological findings, current in vitro models use epiblast-like cells. To address this gap, we developed a protocol to generate ExM-like cells from PrE-like cell line called naïve extraembryonic endoderm (nEnd). We identified the ExM-like cells by specific markers (LUM and ANXA1). Moreover, these in vitro-produced ExM cells displayed angiogenic potential on a soft matrix, mirroring their physiological role in vasculogenesis. By integrating single-cell RNA sequencing (scRNAseq) data, we found that the ExM-like cells clustered with the LUM/ANXA1-rich cell populations of the gastrulating embryo, indicating similarity between in vitro and ex utero cell populations. This study confirms the derivation of ExM from PrE and establishes a cell culture system that can be utilized to investigate ExM during human peri-gastrulation development, both in monolayer cultures and more complex models.
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Affiliation(s)
- Karin Farkas
- Novo Nordisk Foundation Center for Stem Cell Biology (DanStem), University of Copenhagen, 1165 Copenhagen, Denmark
- Department of Biomedical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Elisabetta Ferretti
- Novo Nordisk Foundation Center for Stem Cell Biology (DanStem), University of Copenhagen, 1165 Copenhagen, Denmark
- Department of Cellular and Molecular Medicine, University of Copenhagen, 2200 Copenhagen, Denmark
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17
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Zhang M, Reis AH, Simunovic M. Human embryoids: A new strategy of recreating the first steps of embryonic development in vitro. Semin Cell Dev Biol 2023; 141:14-22. [PMID: 35871155 DOI: 10.1016/j.semcdb.2022.07.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 06/05/2022] [Accepted: 07/04/2022] [Indexed: 01/24/2023]
Abstract
Molecular mechanisms surrounding early human embryonic events such as blastocyst formation, implantation, and the specification of the body axes are some of the most attractive research questions of developmental biology today. A knowledge on the detailed signaling landscape underlying these critical events in the human could impact the way we treat early pregnancy disorders and infertility, and considerably advance our abilities to make precise human tissues in a lab. However, owing to ethical, technical, and policy restrictions, research on early human embryo development historically stalled behind animal models. The rapid progress in 3D culture of human embryonic stem cells over the past years created an opportunity to overcome this critical challenge. We review recently developed strategies of making 3D models of the human embryo built from embryonic stem cells, which we refer to as embryoids. We focus on models aimed at reconstituting the 3D epithelial characteristics of the early human embryo, namely the intra/extraembryonic signaling crosstalk, tissue polarity, and embryonic cavities. We identify distinct classes of embryoids based on whether they explicitly include extraembryonic tissues and we argue for the merit of compromising on certain aspects of embryo mimicry in balancing the experimental feasibility with ethical considerations. Human embryoids open gates toward a new field of synthetic human embryology, allowing to study the long inaccessible stages of early human development at unprecedented detail.
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Affiliation(s)
- Miaoci Zhang
- Department of Chemical Engineering, Fu Foundation School of Engineering and Applied Sciences, Columbia University, New York 10027, USA; Columbia Stem Cell Initiative, Columbia University Irving Medical Center, New York 10032, USA
| | - Alice H Reis
- Department of Chemical Engineering, Fu Foundation School of Engineering and Applied Sciences, Columbia University, New York 10027, USA; Columbia Stem Cell Initiative, Columbia University Irving Medical Center, New York 10032, USA
| | - Mijo Simunovic
- Department of Chemical Engineering, Fu Foundation School of Engineering and Applied Sciences, Columbia University, New York 10027, USA; Columbia Stem Cell Initiative, Columbia University Irving Medical Center, New York 10032, USA; Department of Genetics and Development, Columbia Irving Medical Center, New York 10032, USA.
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18
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Ávila-González D, Gidi-Grenat MÁ, García-López G, Martínez-Juárez A, Molina-Hernández A, Portillo W, Díaz-Martínez NE, Díaz NF. Pluripotent Stem Cells as a Model for Human Embryogenesis. Cells 2023; 12:1192. [PMID: 37190101 PMCID: PMC10136597 DOI: 10.3390/cells12081192] [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: 12/29/2022] [Revised: 04/07/2023] [Accepted: 04/11/2023] [Indexed: 05/17/2023] Open
Abstract
Pluripotent stem cells (PSCs; embryonic stem cells and induced pluripotent stem cells) can recapitulate critical aspects of the early stages of embryonic development; therefore, they became a powerful tool for the in vitro study of molecular mechanisms that underlie blastocyst formation, implantation, the spectrum of pluripotency and the beginning of gastrulation, among other processes. Traditionally, PSCs were studied in 2D cultures or monolayers, without considering the spatial organization of a developing embryo. However, recent research demonstrated that PSCs can form 3D structures that simulate the blastocyst and gastrula stages and other events, such as amniotic cavity formation or somitogenesis. This breakthrough provides an unparalleled opportunity to study human embryogenesis by examining the interactions, cytoarchitecture and spatial organization among multiple cell lineages, which have long remained a mystery due to the limitations of studying in utero human embryos. In this review, we will provide an overview of how experimental embryology currently utilizes models such as blastoids, gastruloids and other 3D aggregates derived from PSCs to advance our understanding of the intricate processes involved in human embryo development.
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Affiliation(s)
- Daniela Ávila-González
- Laboratorio de Reprogramación Celular y Bioingeniería de Tejidos, Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara 44270, Mexico
- Departamento de Fisiología y Desarrollo Celular, Instituto Nacional de Perinatología, Ciudad de México 11000, Mexico
| | - Mikel Ángel Gidi-Grenat
- Departamento de Fisiología y Desarrollo Celular, Instituto Nacional de Perinatología, Ciudad de México 11000, Mexico
| | - Guadalupe García-López
- Departamento de Fisiología y Desarrollo Celular, Instituto Nacional de Perinatología, Ciudad de México 11000, Mexico
| | - Alejandro Martínez-Juárez
- Departamento de Fisiología y Desarrollo Celular, Instituto Nacional de Perinatología, Ciudad de México 11000, Mexico
| | - Anayansi Molina-Hernández
- Departamento de Fisiología y Desarrollo Celular, Instituto Nacional de Perinatología, Ciudad de México 11000, Mexico
| | - Wendy Portillo
- Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro 76230, Mexico
| | - Néstor Emmanuel Díaz-Martínez
- Laboratorio de Reprogramación Celular y Bioingeniería de Tejidos, Biotecnología Médica y Farmacéutica, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara 44270, Mexico
| | - Néstor Fabián Díaz
- Departamento de Fisiología y Desarrollo Celular, Instituto Nacional de Perinatología, Ciudad de México 11000, Mexico
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19
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Abstract
ABSTRACT
Deconstructing and then reconstructing developmental processes ex vivo is crucial to understanding how organs assemble and how physiology can be disrupted in disease. Human 3D stem cell-derived systems, such as organoids, have facilitated this pursuit; however, they often do not capture inter-tissue or inter-lineage cellular interactions that give rise to emergent tissue properties during development. Assembloids are self-organizing 3D cellular systems that result from the integration of multiple organoids or the combination of organoids with missing cell types or primary tissue explants. Here, we outline the concept and types of assembloids and present their applications for studying the nervous system and other tissues. We describe tools that are used to probe and manipulate assembloids and delineate current challenges and the potential for this new approach to interrogate development and disease.
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Affiliation(s)
- Sabina Kanton
- Stanford University 1 Department of Psychiatry and Behavioral Sciences , , Stanford, CA 94305, USA
- Stanford Brain Organogenesis Program, Wu Tsai Neuroscience Institute & Bio-X 2 , Stanford, CA 94305, USA
| | - Sergiu P. Paşca
- Stanford University 1 Department of Psychiatry and Behavioral Sciences , , Stanford, CA 94305, USA
- Stanford Brain Organogenesis Program, Wu Tsai Neuroscience Institute & Bio-X 2 , Stanford, CA 94305, USA
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20
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Abstract
The complex process by which a single-celled zygote develops into a viable embryo is nothing short of a miraculous wonder of the natural world. Elucidating how this process is orchestrated in humans has long eluded the grasp of scientists due to ethical and practical limitations. Thankfully, pluripotent stem cells that resemble early developmental cell types possess the ability to mimic specific embryonic events. As such, murine and human stem cells have been leveraged by scientists to create in vitro models that aim to recapitulate different stages of early mammalian development. Here, we examine the wide variety of stem cell-based embryo models that have been developed to recapitulate and study embryonic events, from pre-implantation development through to early organogenesis. We discuss the applications of these models, key considerations regarding their importance within the field, and how such models are expected to grow and evolve to achieve exciting new milestones in the future.
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Affiliation(s)
- Aidan H. Terhune
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Jeyoon Bok
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Shiyu Sun
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Jianping Fu
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
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21
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Synthetic Embryos Can Complete Gastrulation and Initiate Organogenesis Ex Utero. Cell Reprogram 2022; 24:223-224. [DOI: 10.1089/cell.2022.0111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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22
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Pham TXA, Panda A, Kagawa H, To SK, Ertekin C, Georgolopoulos G, van Knippenberg SSFA, Allsop RN, Bruneau A, Chui JSH, Vanheer L, Janiszewski A, Chappell J, Oberhuemer M, Tchinda RS, Talon I, Khodeer S, Rossant J, Lluis F, David L, Rivron N, Balaton BP, Pasque V. Modeling human extraembryonic mesoderm cells using naive pluripotent stem cells. Cell Stem Cell 2022; 29:1346-1365.e10. [PMID: 36055191 PMCID: PMC9438972 DOI: 10.1016/j.stem.2022.08.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 06/08/2022] [Accepted: 08/05/2022] [Indexed: 12/31/2022]
Abstract
A hallmark of primate postimplantation embryogenesis is the specification of extraembryonic mesoderm (EXM) before gastrulation, in contrast to rodents where this tissue is formed only after gastrulation. Here, we discover that naive human pluripotent stem cells (hPSCs) are competent to differentiate into EXM cells (EXMCs). EXMCs are specified by inhibition of Nodal signaling and GSK3B, are maintained by mTOR and BMP4 signaling activity, and their transcriptome and epigenome closely resemble that of human and monkey embryo EXM. EXMCs are mesenchymal, can arise from an epiblast intermediate, and are capable of self-renewal. Thus, EXMCs arising via primate-specific specification between implantation and gastrulation can be modeled in vitro. We also find that most of the rare off-target cells within human blastoids formed by triple inhibition (Kagawa et al., 2021) correspond to EXMCs. Our study impacts our ability to model and study the molecular mechanisms of early human embryogenesis and related defects.
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Affiliation(s)
- Thi Xuan Ai Pham
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium
| | - Amitesh Panda
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium
| | - Harunobu Kagawa
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), 1030 Vienna, Austria
| | - San Kit To
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium
| | - Cankat Ertekin
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium
| | - Grigorios Georgolopoulos
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium
| | - Sam S F A van Knippenberg
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium
| | - Ryan Nicolaas Allsop
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium
| | - Alexandre Bruneau
- Nantes Université, CHU Nantes, Inserm, CR2TI, UMR 1064, F-44000, Nantes, France
| | - Jonathan Sai-Hong Chui
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium
| | - Lotte Vanheer
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium
| | - Adrian Janiszewski
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium
| | - Joel Chappell
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium
| | - Michael Oberhuemer
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium
| | - Raissa Songwa Tchinda
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium
| | - Irene Talon
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium
| | - Sherif Khodeer
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium
| | - Janet Rossant
- Program in Developmental and Stem Cell Biology, Hospital for Sick Children, Toronto, ON M5V 0B1, Canada
| | - Frederic Lluis
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium
| | - Laurent David
- Nantes Université, CHU Nantes, Inserm, CR2TI, UMR 1064, F-44000, Nantes, France; Nantes Université, CHU Nantes, Inserm, CNRS, BioCore, F-44000 Nantes, France
| | - Nicolas Rivron
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Vienna BioCenter (VBC), 1030 Vienna, Austria
| | - Bradley Philip Balaton
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium.
| | - Vincent Pasque
- Department of Development and Regeneration, Leuven Stem Cell Institute, Leuven Institute for Single-cell Omics (LISCO), KU Leuven-University of Leuven, 3000 Leuven, Belgium.
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Boroviak TE. A human embryo model cracks symmetry breaking. Cell Stem Cell 2022; 29:869-870. [DOI: 10.1016/j.stem.2022.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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