1
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Gu R, Wu T, Fu J, Sun YJ, Sun XX. Advances in the genetic etiology of female infertility. J Assist Reprod Genet 2024:10.1007/s10815-024-03248-w. [PMID: 39320554 DOI: 10.1007/s10815-024-03248-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Accepted: 08/07/2024] [Indexed: 09/26/2024] Open
Abstract
Human reproduction is a complex process involving gamete maturation, fertilization, embryo cleavage and development, blastocyst formation, implantation, and live birth. If any of these processes are abnormal or arrest, reproductive failure will occur. Infertility is a state of reproductive dysfunction caused by various factors. Advances in molecular genetics, including cell and molecular genetics, and high-throughput sequencing technologies, have found that genetic factors are important causes of infertility. Genetic variants have been identified in infertile women or men and can cause gamete maturation arrest, poor quality gametes, fertilization failure, and embryonic developmental arrest during assisted reproduction technology (ART), and thus reduce the clinical success rates of ART. This article reviews clinical studies on repeated in vitro fertilization (IVF)/intracytoplasmic sperm injection (ICSI) failures caused by ovarian dysfunction, oocyte maturation defects, oocyte abnormalities, fertilization disorders, and preimplantation embryonic development arrest due to female genetic etiology, the accumulation of pathogenic genes and gene pathogenic loci, and the functional mechanism and clinical significance of pathogenic genes in gametogenesis and early embryonic development.
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Affiliation(s)
- Ruihuan Gu
- Department of Shanghai Ji'ai Genetics and IVF Institute, Obstetrics and Gynecology Hospital, Fudan University, 352 Dalin Road, Shanghai, 200011, China
| | - Tianyu Wu
- Institute of Pediatrics, State Key Laboratory of Genetic Engineering, Institutes of BiomedicalSciences, Shanghai Key Laboratory of Medical Epigenetics, Children's Hospital of Fudan University, Fudan University, Shanghai, 200032, China
| | - Jing Fu
- Department of Shanghai Ji'ai Genetics and IVF Institute, Obstetrics and Gynecology Hospital, Fudan University, 352 Dalin Road, Shanghai, 200011, China
| | - Yi-Juan Sun
- Department of Shanghai Ji'ai Genetics and IVF Institute, Obstetrics and Gynecology Hospital, Fudan University, 352 Dalin Road, Shanghai, 200011, China.
| | - Xiao-Xi Sun
- Department of Shanghai Ji'ai Genetics and IVF Institute, Obstetrics and Gynecology Hospital, Fudan University, 352 Dalin Road, Shanghai, 200011, China.
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2
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Pfeffer PL. The first lineage determination in mammals. Dev Biol 2024; 513:12-30. [PMID: 38761966 DOI: 10.1016/j.ydbio.2024.05.011] [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: 12/18/2023] [Revised: 03/15/2024] [Accepted: 05/16/2024] [Indexed: 05/20/2024]
Abstract
This review describes in detail the morphological, cytoskeletal and gene expression events leading to the gene regulatory network bifurcation point of trophoblast and inner cell mass cells in a variety of mammalian preimplantation embryos. The interrelated processes of compaction and polarity establishment are discussed in terms of how they affect YAP/WWTR activity and the location and fate of cells. Comparisons between mouse, human, cattle, pig and rabbit embryos suggest a conserved role for YAP/WWTR signalling in trophoblast induction in eutherian animals though the mechanisms for, and timing of, YAP/WWTR activation differs among species. Downstream targets show further differences, with the trophoblast marker GATA3 being a direct target in all examined mammals, while CDX2-positive and SOX2-negative regulation varies.
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Affiliation(s)
- Peter L Pfeffer
- School of Biological Sciences, Victoria University of Wellington, Wellington, New Zealand.
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3
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Dittrich M, Bernhardt L, Penfold CA, Boroviak TE, Drummer C, Behr R, Müller T, Haaf T. Age-related and species-specific methylation changes in the protein-coding marmoset sperm epigenome. Aging Cell 2024; 23:e14200. [PMID: 38757354 PMCID: PMC11320356 DOI: 10.1111/acel.14200] [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: 01/04/2024] [Revised: 04/10/2024] [Accepted: 04/26/2024] [Indexed: 05/18/2024] Open
Abstract
The sperm epigenome is thought to affect the developmental programming of the resulting embryo, influencing health and disease in later life. Age-related methylation changes in the sperm of old fathers may mediate the increased risks for reproductive and offspring medical problems. The impact of paternal age on sperm methylation has been extensively studied in humans and, to a lesser extent, in rodents and cattle. Here, we performed a comparative analysis of paternal age effects on protein-coding genes in the human and marmoset sperm methylomes. The marmoset has gained growing importance as a non-human primate model of aging and age-related diseases. Using reduced representation bisulfite sequencing, we identified age-related differentially methylated transcription start site (ageTSS) regions in 204 marmoset and 27 human genes. The direction of methylation changes was the opposite, increasing with age in marmosets and decreasing in humans. None of the identified ageTSS was differentially methylated in both species. Although the average methylation levels of all TSS regions were highly correlated between marmosets and humans, with the majority of TSS being hypomethylated in sperm, more than 300 protein-coding genes were endowed with species-specifically (hypo)methylated TSS. Several genes of the glycosphingolipid (GSL) biosynthesis pathway, which plays a role in embryonic stem cell differentiation and regulation of development, were hypomethylated (<5%) in human and fully methylated (>95%) in marmoset sperm. The expression levels and patterns of defined sets of GSL genes differed considerably between human and marmoset pre-implantation embryo stages and blastocyst tissues, respectively.
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Affiliation(s)
- Marcus Dittrich
- Institute of Human GeneticsJulius Maximilians UniversityWürzburgGermany
- Department of BioinformaticsJulius Maximilians UniversityWürzburgGermany
| | - Laura Bernhardt
- Institute of Human GeneticsJulius Maximilians UniversityWürzburgGermany
| | - Christopher A. Penfold
- Department of Physiology, Development and NeuroscienceUniversity of CambridgeCambridgeUK
- Centre for Trophoblast ResearchUniversity of CambridgeCambridgeUK
| | - Thorsten E. Boroviak
- Department of Physiology, Development and NeuroscienceUniversity of CambridgeCambridgeUK
- Centre for Trophoblast ResearchUniversity of CambridgeCambridgeUK
- Wellcome Trust – Medical Research Council Stem Cell Institute, Jeffrey Cheah Biomedical CentreUniversity of CambridgeCambridgeUK
| | - Charis Drummer
- Platform Degenerative DiseasesGerman Primate Center‐Leibniz Institute for Primate ResearchGöttingenGermany
- DZHK (German Centre for Cardiovascular Research)GöttingenGermany
| | - Rüdiger Behr
- Platform Degenerative DiseasesGerman Primate Center‐Leibniz Institute for Primate ResearchGöttingenGermany
- DZHK (German Centre for Cardiovascular Research)GöttingenGermany
| | - Tobias Müller
- Department of BioinformaticsJulius Maximilians UniversityWürzburgGermany
| | - Thomas Haaf
- Institute of Human GeneticsJulius Maximilians UniversityWürzburgGermany
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4
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Linneberg-Agerholm M, Sell AC, Redó-Riveiro A, Perera M, Proks M, Knudsen TE, Barral A, Manzanares M, Brickman JM. The primitive endoderm supports lineage plasticity to enable regulative development. Cell 2024; 187:4010-4029.e16. [PMID: 38917790 PMCID: PMC11290322 DOI: 10.1016/j.cell.2024.05.051] [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: 05/19/2023] [Revised: 02/27/2024] [Accepted: 05/28/2024] [Indexed: 06/27/2024]
Abstract
Mammalian blastocyst formation involves the specification of the trophectoderm followed by the differentiation of the inner cell mass into embryonic epiblast and extra-embryonic primitive endoderm (PrE). During this time, the embryo maintains a window of plasticity and can redirect its cellular fate when challenged experimentally. In this context, we found that the PrE alone was sufficient to regenerate a complete blastocyst and continue post-implantation development. We identify an in vitro population similar to the early PrE in vivo that exhibits the same embryonic and extra-embryonic potency and can form complete stem cell-based embryo models, termed blastoids. Commitment in the PrE is suppressed by JAK/STAT signaling, collaborating with OCT4 and the sustained expression of a subset of pluripotency-related transcription factors that safeguard an enhancer landscape permissive for multi-lineage differentiation. Our observations support the notion that transcription factor persistence underlies plasticity in regulative development and highlight the importance of the PrE in perturbed development.
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Affiliation(s)
- Madeleine Linneberg-Agerholm
- Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), University of Copenhagen, 2200 Copenhagen N, Denmark
| | - Annika Charlotte Sell
- Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), University of Copenhagen, 2200 Copenhagen N, Denmark
| | - Alba Redó-Riveiro
- Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), University of Copenhagen, 2200 Copenhagen N, Denmark
| | - Marta Perera
- Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), University of Copenhagen, 2200 Copenhagen N, Denmark
| | - Martin Proks
- Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), University of Copenhagen, 2200 Copenhagen N, Denmark
| | - Teresa E Knudsen
- Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), University of Copenhagen, 2200 Copenhagen N, Denmark
| | - Antonio Barral
- Centro de Biología Molecular Severo Ochoa (CBM), CSIC-UAM, 28049 Madrid, Spain
| | - Miguel Manzanares
- Centro de Biología Molecular Severo Ochoa (CBM), CSIC-UAM, 28049 Madrid, Spain
| | - Joshua M Brickman
- Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), University of Copenhagen, 2200 Copenhagen N, Denmark.
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5
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Dattani A, Corujo-Simon E, Radley A, Heydari T, Taheriabkenar Y, Carlisle F, Lin S, Liddle C, Mill J, Zandstra PW, Nichols J, Guo G. Naive pluripotent stem cell-based models capture FGF-dependent human hypoblast lineage specification. Cell Stem Cell 2024; 31:1058-1071.e5. [PMID: 38823388 DOI: 10.1016/j.stem.2024.05.003] [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: 12/05/2023] [Revised: 03/13/2024] [Accepted: 05/07/2024] [Indexed: 06/03/2024]
Abstract
The hypoblast is an essential extraembryonic tissue set aside within the inner cell mass in the blastocyst. Research with human embryos is challenging. Thus, stem cell models that reproduce hypoblast differentiation provide valuable alternatives. We show here that human naive pluripotent stem cell (PSC) to hypoblast differentiation proceeds via reversion to a transitional ICM-like state from which the hypoblast emerges in concordance with the trajectory in human blastocysts. We identified a window when fibroblast growth factor (FGF) signaling is critical for hypoblast specification. Revisiting FGF signaling in human embryos revealed that inhibition in the early blastocyst suppresses hypoblast formation. In vitro, the induction of hypoblast is synergistically enhanced by limiting trophectoderm and epiblast fates. This finding revises previous reports and establishes a conservation in lineage specification between mice and humans. Overall, this study demonstrates the utility of human naive PSC-based models in elucidating the mechanistic features of early human embryogenesis.
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Affiliation(s)
- Anish Dattani
- Living Systems Institute, University of Exeter, Exeter, UK; Department of Clinical & Biomedical Sciences, University of Exeter Medical School, Faculty of Health and Life Sciences, University of Exeter, Exeter, UK
| | - Elena Corujo-Simon
- MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Western General Hospital, Edinburgh, UK
| | - Arthur Radley
- Living Systems Institute, University of Exeter, Exeter, UK
| | - Tiam Heydari
- Michael Smith Laboratories, School of Biomedical Engineering, University of British Columbia, Vancouver, BC, Canada
| | | | | | - Simeng Lin
- Department of Clinical & Biomedical Sciences, University of Exeter Medical School, Faculty of Health and Life Sciences, University of Exeter, Exeter, UK
| | - Corin Liddle
- Bioimaging Centre, University of Exeter, Exeter, UK
| | - Jonathan Mill
- Department of Clinical & Biomedical Sciences, University of Exeter Medical School, Faculty of Health and Life Sciences, University of Exeter, Exeter, UK
| | - Peter W Zandstra
- Michael Smith Laboratories, School of Biomedical Engineering, University of British Columbia, Vancouver, BC, Canada
| | - Jennifer Nichols
- MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Western General Hospital, Edinburgh, UK
| | - Ge Guo
- Living Systems Institute, University of Exeter, Exeter, UK; Department of Clinical & Biomedical Sciences, University of Exeter Medical School, Faculty of Health and Life Sciences, University of Exeter, Exeter, UK.
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6
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Cao G, Yu L, Fang J, Shi R, Li H, Lu F, Shen X, Zhu X, Wang S, Kong N. ZP1-Y262C mutation causes abnormal zona pellucida formation and female infertility in humans. Front Genet 2024; 15:1407202. [PMID: 38966008 PMCID: PMC11222594 DOI: 10.3389/fgene.2024.1407202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Accepted: 05/29/2024] [Indexed: 07/06/2024] Open
Abstract
Defective oocyte maturation is a common cause of female infertility. The loss of the zona pellucida (ZP) represents a specific condition of impaired oocyte maturation. The extracellular matrix known as the ZP envelops mammalian oocytes and preimplantation embryos, exerting significant influence on oogenesis, fertilization, and embryo implantation. However, the genetic factors leading to the loss of the ZP in oocytes are not well understood. This study focused on patients who underwent oocyte retrieval surgery after ovarian stimulation and were found to have abnormal oocyte maturation without the presence of the ZP. Ultrasonography was performed during the surgical procedure to evaluate follicle development. Peripheral blood samples from the patient were subjected to exome sequencing. Here, a novel, previously unreported heterozygous mutation in the ZP1 gene was identified. Within the ZP1 gene, we discovered a novel heterozygous mutation (ZP1 NM_207341.4:c.785A>G (p.Y262C)), specifically located in the trefoil domain. Bioinformatics comparisons further revealed conservation of the ZP1-Y262C mutation across different species. Model predictions of amino acid mutations on protein structure and cell immunofluorescence/western blot experiments collectively confirmed the detrimental effects of the ZP1-Y262C mutation on the function and expression of the ZP1 protein. The ZP1-Y262C mutation represents the novel mutation in the trefoil domain of the ZP1 protein, which is associated with defective oocyte maturation in humans. Our report enhances comprehension regarding the involvement of ZP-associated genes in female infertility and offers enriched understanding for the genetic diagnosis of this condition.
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Affiliation(s)
- Guangyi Cao
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China
- Key Laboratory of Reproductive Medicine of Guangdong Province, Guangzhou, China
| | - Lina Yu
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Junshun Fang
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Ruixin Shi
- Center for Reproductive Medicine and Obstetrics and Gynecology, Joint Institute of Nanjing Drum Tower Hospital for Life and Health, College of Life Science, Nanjing Normal University, Nanjing, China
| | - Huijun Li
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Feifei Lu
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Xiaoyue Shen
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Xiangyu Zhu
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Shanshan Wang
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Na Kong
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China
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7
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Santana PDPB, Pinheiro KDC, Pereira LCDS, Andrade SS, Aburjaile FF, Ramos PDCDA, de Souza EB, da Costa NN, Cordeiro MDS, Santos SDSD, Miranda MDS, Ramos RTJ, da Silva ALDC. RNA sequencing and gene co-expression network of in vitro matured oocytes and blastocysts of buffalo. Anim Reprod 2024; 21:e20230131. [PMID: 38912163 PMCID: PMC11192227 DOI: 10.1590/1984-3143-ar2023-0131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 04/24/2024] [Indexed: 06/25/2024] Open
Abstract
In reproductive technologies, uncovering the molecular aspects of oocyte and embryo competence under different conditions is crucial for refining protocols and enhancing efficiency. RNA-seq generates high-throughput data and provides transcriptomes that can undergo additional computational analyses. This study presented the transcriptomic profiles of in vitro matured oocytes and blastocysts produced in vitro from buffalo crossbred (Bubalus bubalis), coupled with gene co-expression and module preservation analysis. Cumulus Oophorus Complexes, obtained from slaughterhouse-derived ovaries, were subjected to in vitro maturation to yield metaphase II oocytes (616) or followed in vitro fertilization and culture to yield blastocysts for sequencing (526). Oocyte maturation (72%, ±3.34 sd) and embryo development (21.3%, ±4.18 sd) rates were obtained from three in vitro embryo production routines following standard protocols. Sequencing of 410 metaphase II oocytes and 70 hatched blastocysts (grade 1 and 2) identified a total of 13,976 genes, with 62% being ubiquitously expressed (8,649). Among them, the differentially expressed genes (4,153) and the strongly variable genes with the higher expression (fold-change above 11) were highlighted in oocytes (BMP15, UCHL1, WEE1, NLRPs, KPNA7, ZP2, and ZP4) and blastocysts (APOA1, KRT18, ANXA2, S100A14, SLC34A2, PRSS8 and ANXA2) as representative indicators of molecular quality. Additionally, genes exclusively found in oocytes (224) and blastocysts (2,200) with specific biological functions were identified. Gene co-expression network and module preservation analysis revealed strong preservation of functional modules related to exosome components, steroid metabolism, cell proliferation, and morphogenesis. However, cell cycle and amino acid transport modules exhibited weak preservation, which may reflect differences in embryo development kinetics and the activation of cell signaling pathways between buffalo and bovine. This comprehensive transcriptomic profile serves as a valuable resource for assessing the molecular quality of buffalo oocytes and embryos in future in vitro embryo production assays.
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Affiliation(s)
| | | | | | - Soraya Silva Andrade
- Laboratório de Genômica e Bioinformática, Universidade Federal do Pará, Belém, PA, Brasil
| | | | | | - Eduardo Baia de Souza
- Laboratório de Fertilização In Vitro, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, PA, Brasil
| | - Nathalia Nogueira da Costa
- Laboratório de Fertilização In Vitro, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, PA, Brasil
| | | | | | - Moysés dos Santos Miranda
- Laboratório de Fertilização In Vitro, Instituto de Ciências Biológicas, Universidade Federal do Pará, Belém, PA, Brasil
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8
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Hopwood N. Species Choice and Model Use: Reviving Research on Human Development. JOURNAL OF THE HISTORY OF BIOLOGY 2024; 57:231-279. [PMID: 39075321 PMCID: PMC11341657 DOI: 10.1007/s10739-024-09775-7] [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] [Accepted: 05/13/2024] [Indexed: 07/31/2024]
Abstract
While model organisms have had many historians, this article places studies of humans, and particularly our development, in the politics of species choice. Human embryos, investigated directly rather than via animal surrogates, have gone through cycles of attention and neglect. In the past 60 years they moved from the sidelines to center stage. Research was resuscitated in anatomy, launched in reproductive biomedicine, molecular genetics, and stem-cell science, and made attractive in developmental biology. I explain this surge of interest in terms of rivalry with models and reliance on them. The greater involvement of medicine in human reproduction, especially through in vitro fertilization, gave access to fresh sources of material that fed critiques of extrapolation from mice and met demands for clinical relevance or "translation." Yet much of the revival depended on models. Supply infrastructures and digital standards, including biobanks and virtual atlases, emulated community resources for model organisms. Novel culture, imaging, molecular, and postgenomic methods were perfected on less precious samples. Toing and froing from the mouse affirmed the necessity of the exemplary mammal and its insufficiency justified inquiries into humans. Another kind of model-organoids and embryo-like structures derived from stem cells-enabled experiments that encouraged the organization of a new field, human developmental biology. Research on humans has competed with and counted on models.
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Affiliation(s)
- Nick Hopwood
- Department of History and Philosophy of Science, University of Cambridge, Free School Lane, Cambridge, CB2 3RH, UK.
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9
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Zhu M, Meglicki M, Lamba A, Wang P, Royer C, Turner K, Jauhar MA, Jones C, Child T, Coward K, Na J, Zernicka-Goetz M. Tead4 and Tfap2c generate bipotency and a bistable switch in totipotent embryos to promote robust lineage diversification. Nat Struct Mol Biol 2024; 31:964-976. [PMID: 38789684 PMCID: PMC11189297 DOI: 10.1038/s41594-024-01311-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 04/09/2024] [Indexed: 05/26/2024]
Abstract
The mouse and human embryo gradually loses totipotency before diversifying into the inner cell mass (ICM, future organism) and trophectoderm (TE, future placenta). The transcription factors TFAP2C and TEAD4 with activated RHOA accelerate embryo polarization. Here we show that these factors also accelerate the loss of totipotency. TFAP2C and TEAD4 paradoxically promote and inhibit Hippo signaling before lineage diversification: they drive expression of multiple Hippo regulators while also promoting apical domain formation, which inactivates Hippo. Each factor activates TE specifiers in bipotent cells, while TFAP2C also activates specifiers of the ICM fate. Asymmetric segregation of the apical domain reconciles the opposing regulation of Hippo signaling into Hippo OFF and the TE fate, or Hippo ON and the ICM fate. We propose that the bistable switch established by TFAP2C and TEAD4 is exploited to trigger robust lineage diversification in the developing embryo.
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Affiliation(s)
- Meng Zhu
- Mammalian Embryo and Stem Cell Group, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA
- Department of Genetics, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
| | - Maciej Meglicki
- Mammalian Embryo and Stem Cell Group, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
| | - Adiyant Lamba
- Mammalian Embryo and Stem Cell Group, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
| | - Peizhe Wang
- Centre for Stem Cell Biology and Regenerative Medicine, School of Medicine, Tsinghua University, Beijing, China
| | - Christophe Royer
- Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK
| | - Karen Turner
- Oxford Fertility, Institute of Reproductive Sciences, Oxford, UK
| | - Muhammad Abdullah Jauhar
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA
| | - Celine Jones
- Nuffield Department of Women's and Reproductive Health, Level 3, Women's Centre, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Tim Child
- Nuffield Department of Women's and Reproductive Health, Level 3, Women's Centre, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Kevin Coward
- Nuffield Department of Women's and Reproductive Health, Level 3, Women's Centre, John Radcliffe Hospital, University of Oxford, Oxford, UK
| | - Jie Na
- Centre for Stem Cell Biology and Regenerative Medicine, School of Medicine, Tsinghua University, Beijing, China
| | - Magdalena Zernicka-Goetz
- Mammalian Embryo and Stem Cell Group, Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK.
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA.
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10
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Noguchi J, Watanabe S, Oga T, Isoda R, Nakagaki K, Sakai K, Sumida K, Hoshino K, Saito K, Miyawaki I, Sugano E, Tomita H, Mizukami H, Watakabe A, Yamamori T, Ichinohe N. Altered projection-specific synaptic remodeling and its modification by oxytocin in an idiopathic autism marmoset model. Commun Biol 2024; 7:642. [PMID: 38802535 PMCID: PMC11130163 DOI: 10.1038/s42003-024-06345-9] [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: 10/22/2023] [Accepted: 05/16/2024] [Indexed: 05/29/2024] Open
Abstract
Alterations in the experience-dependent and autonomous elaboration of neural circuits are assumed to underlie autism spectrum disorder (ASD), though it is unclear what synaptic traits are responsible. Here, utilizing a valproic acid-induced ASD marmoset model, which shares common molecular features with idiopathic ASD, we investigate changes in the structural dynamics of tuft dendrites of upper-layer pyramidal neurons and adjacent axons in the dorsomedial prefrontal cortex through two-photon microscopy. In model marmosets, dendritic spine turnover is upregulated, and spines are generated in clusters and survived more often than in control marmosets. Presynaptic boutons in local axons, but not in commissural long-range axons, demonstrate hyperdynamic turnover in model marmosets, suggesting alterations in projection-specific plasticity. Intriguingly, nasal oxytocin administration attenuates clustered spine emergence in model marmosets. Enhanced clustered spine generation, possibly unique to certain presynaptic partners, may be associated with ASD and be a potential therapeutic target.
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Affiliation(s)
- Jun Noguchi
- Department of Ultrastructural Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Japan.
| | - Satoshi Watanabe
- Department of Ultrastructural Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Tomofumi Oga
- Department of Ultrastructural Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Risa Isoda
- Department of Ultrastructural Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Keiko Nakagaki
- Department of Ultrastructural Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Kazuhisa Sakai
- Department of Ultrastructural Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Japan
| | - Kayo Sumida
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., Osaka, Japan
| | - Kohei Hoshino
- Preclinical Research Laboratories, Sumitomo Pharma Co., Ltd., Osaka, Japan
| | - Koichi Saito
- Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd., Osaka, Japan
| | - Izuru Miyawaki
- Preclinical Research Laboratories, Sumitomo Pharma Co., Ltd., Osaka, Japan
| | - Eriko Sugano
- Laboratory of Visual Neuroscience, Graduate Course in Biological Sciences, Iwate University, Morioka, Japan
| | - Hiroshi Tomita
- Laboratory of Visual Neuroscience, Graduate Course in Biological Sciences, Iwate University, Morioka, Japan
| | - Hiroaki Mizukami
- Division of Genetic Therapeutics, Jichi Medical University, Shimotsuke, Japan
| | - Akiya Watakabe
- Laboratory for Molecular Analysis of Higher Brain Function, Center for Brain Science, RIKEN, Wako, Japan
| | - Tetsuo Yamamori
- Laboratory for Molecular Analysis of Higher Brain Function, Center for Brain Science, RIKEN, Wako, Japan
- Laboratory for Haptic Perception and Cognitive Physiology, Center for Brain Science, RIKEN, Wako, Japan
- Department of Marmoset Biology and Medicine, CIEM, Kawasaki, Japan
| | - Noritaka Ichinohe
- Department of Ultrastructural Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Japan.
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11
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Lamacova L, Jansova D, Jiang Z, Dvoran M, Aleshkina D, Iyyappan R, Jindrova A, Fan HY, Jiao Y, Susor A. CPEB3 Maintains Developmental Competence of the Oocyte. Cells 2024; 13:850. [PMID: 38786074 PMCID: PMC11119423 DOI: 10.3390/cells13100850] [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: 04/09/2024] [Revised: 05/13/2024] [Accepted: 05/14/2024] [Indexed: 05/25/2024] Open
Abstract
Mammalian oocyte development depends on the temporally controlled translation of maternal transcripts, particularly in the coordination of meiotic and early embryonic development when transcription has ceased. The translation of mRNA is regulated by various RNA-binding proteins. We show that the absence of cytoplasmic polyadenylation element-binding protein 3 (CPEB3) negatively affects female reproductive fitness. CPEB3-depleted oocytes undergo meiosis normally but experience early embryonic arrest due to a disrupted transcriptome, leading to aberrant protein expression and the subsequent failure of embryonic transcription initiation. We found that CPEB3 stabilizes a subset of mRNAs with a significantly longer 3'UTR that is enriched in its distal region with cytoplasmic polyadenylation elements. Overall, our results suggest that CPEB3 is an important maternal factor that regulates the stability and translation of a subclass of mRNAs that are essential for the initiation of embryonic transcription and thus for embryonic development.
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Affiliation(s)
- Lucie Lamacova
- Laboratory of Biochemistry and Molecular Biology of Germ Cells, IAPG CAS, Rumburska 89, 277 21 Libechov, Czech Republic
| | - Denisa Jansova
- Laboratory of Biochemistry and Molecular Biology of Germ Cells, IAPG CAS, Rumburska 89, 277 21 Libechov, Czech Republic
| | - Zongliang Jiang
- Department of Animal Sciences, Genetics Institute, University of Florida, Gainesville, FL 32610, USA
| | - Michal Dvoran
- Laboratory of Biochemistry and Molecular Biology of Germ Cells, IAPG CAS, Rumburska 89, 277 21 Libechov, Czech Republic
| | - Daria Aleshkina
- Laboratory of Biochemistry and Molecular Biology of Germ Cells, IAPG CAS, Rumburska 89, 277 21 Libechov, Czech Republic
| | - Rajan Iyyappan
- Laboratory of Biochemistry and Molecular Biology of Germ Cells, IAPG CAS, Rumburska 89, 277 21 Libechov, Czech Republic
| | - Anna Jindrova
- Laboratory of Biochemistry and Molecular Biology of Germ Cells, IAPG CAS, Rumburska 89, 277 21 Libechov, Czech Republic
| | - Heng-Yu Fan
- Life Sciences Institute, Zhejiang University, Hangzhou 310058, China
| | - Yuxuan Jiao
- Life Sciences Institute, Zhejiang University, Hangzhou 310058, China
| | - Andrej Susor
- Laboratory of Biochemistry and Molecular Biology of Germ Cells, IAPG CAS, Rumburska 89, 277 21 Libechov, Czech Republic
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12
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Scatolin GN, Ming H, Wang Y, Iyyappan R, Gutierrez-Castillo E, Zhu L, Sagheer M, Song C, Bondioli K, Jiang Z. Single-cell transcriptional landscapes of bovine peri-implantation development. iScience 2024; 27:109605. [PMID: 38633001 PMCID: PMC11022056 DOI: 10.1016/j.isci.2024.109605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 03/14/2024] [Accepted: 03/25/2024] [Indexed: 04/19/2024] Open
Abstract
Supporting healthy pregnancy outcomes requires a comprehensive understanding of the molecular and cellular programs of peri-implantation development, when most pregnancy failure occurs. Here, we present single-cell transcriptomes of bovine peri-implantation embryo development at day 12, 14, 16, and 18 post-fertilization. We defined the cellular composition and gene expression of embryonic disc, hypoblast, and trophoblast lineages in bovine peri-implantation embryos, and identified markers and pathway signaling that represent distinct stages of bovine peri-implantation lineages; the expression of selected markers was validated in peri-implantation embryos. Using detailed time-course transcriptomic analyses, we revealed a previously unrecognized primitive trophoblast cell lineage. We also characterized conserved and divergence peri-implantation lineage programs between bovine and other mammalian species. Finally, we established cell-cell communication signaling underlies embryonic and extraembryonic cell interaction to ensure proper early development. These data provide foundational information to discover essential biological signaling underpinning bovine peri-implantation development.
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Affiliation(s)
| | - Hao Ming
- Department of Animal Sciences, Genetics Institute, University of Florida, Gainesville, FL 32610, USA
| | - Yinjuan Wang
- School of Animal Sciences, AgCenter, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Rajan Iyyappan
- Department of Animal Sciences, Genetics Institute, University of Florida, Gainesville, FL 32610, USA
| | | | - Linkai Zhu
- Department of Animal Sciences, Genetics Institute, University of Florida, Gainesville, FL 32610, USA
| | - Masroor Sagheer
- Department of Animal Sciences, Genetics Institute, University of Florida, Gainesville, FL 32610, USA
| | - Chao Song
- Department of Animal Sciences, Genetics Institute, University of Florida, Gainesville, FL 32610, USA
| | - Kenneth Bondioli
- School of Animal Sciences, AgCenter, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Zongliang Jiang
- Department of Animal Sciences, Genetics Institute, University of Florida, Gainesville, FL 32610, USA
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13
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Hartmann SM, Heider J, Wüst R, Fallgatter AJ, Volkmer H. Microglia-neuron interactions in schizophrenia. Front Cell Neurosci 2024; 18:1345349. [PMID: 38510107 PMCID: PMC10950997 DOI: 10.3389/fncel.2024.1345349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 02/21/2024] [Indexed: 03/22/2024] Open
Abstract
Multiple lines of evidence implicate increased neuroinflammation mediated by glial cells to play a key role in neurodevelopmental disorders such as schizophrenia. Microglia, which are the primary innate immune cells of the brain, are crucial for the refinement of the synaptic circuitry during early brain development by synaptic pruning and the regulation of synaptic plasticity during adulthood. Schizophrenia risk factors as genetics or environmental influences may further be linked to increased activation of microglia, an increase of pro-inflammatory cytokine levels and activation of the inflammasome resulting in an overall elevated neuroinflammatory state in patients. Synaptic loss, one of the central pathological hallmarks of schizophrenia, is believed to be due to excess removal of synapses by activated microglia, primarily affecting glutamatergic neurons. Therefore, it is crucial to investigate microglia-neuron interactions, which has been done by multiple studies focusing on post-mortem brain tissues, brain imaging, animal models and patient iPSC-derived 2D culture systems. In this review, we summarize the major findings in patients and in vivo and in vitro models in the context of neuron-microglia interactions in schizophrenia and secondly discuss the potential of anti-inflammatory treatments for the alleviation of positive, negative, and cognitive symptoms.
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Affiliation(s)
- Sophia-Marie Hartmann
- Molecular Neurobiology, Department of Pharma and Biotech, NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany
| | - Johanna Heider
- Molecular Neurobiology, Department of Pharma and Biotech, NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany
| | - Richard Wüst
- Department of Psychiatry, Tübingen Center for Mental Health (TüCMH), University of Tübingen, Tübingen, Germany
| | - Andreas J. Fallgatter
- Department of Psychiatry, Tübingen Center for Mental Health (TüCMH), University of Tübingen, Tübingen, Germany
| | - Hansjürgen Volkmer
- Molecular Neurobiology, Department of Pharma and Biotech, NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany
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14
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Rüegg AB, van der Weijden VA, de Sousa JA, von Meyenn F, Pausch H, Ulbrich SE. Developmental progression continues during embryonic diapause in the roe deer. Commun Biol 2024; 7:270. [PMID: 38443549 PMCID: PMC10914810 DOI: 10.1038/s42003-024-05944-w] [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: 12/20/2022] [Accepted: 02/21/2024] [Indexed: 03/07/2024] Open
Abstract
Embryonic diapause in mammals is a temporary developmental delay occurring at the blastocyst stage. In contrast to other diapausing species displaying a full arrest, the blastocyst of the European roe deer (Capreolus capreolus) proliferates continuously and displays considerable morphological changes in the inner cell mass. We hypothesised that developmental progression also continues during this period. Here we evaluate the mRNA abundance of developmental marker genes in embryos during diapause and elongation. Our results show that morphological rearrangements of the epiblast during diapause correlate with gene expression patterns and changes in cell polarity. Immunohistochemical staining further supports these findings. Primitive endoderm formation occurs during diapause in embryos composed of around 3,000 cells. Gastrulation coincides with elongation and thus takes place after embryo reactivation. The slow developmental progression makes the roe deer an interesting model for unravelling the link between proliferation and differentiation and requirements for embryo survival.
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Affiliation(s)
- Anna B Rüegg
- ETH Zurich, Animal Physiology, Institute of Agricultural Sciences, Zurich, Switzerland
| | - Vera A van der Weijden
- ETH Zurich, Animal Physiology, Institute of Agricultural Sciences, Zurich, Switzerland
- Max-Planck Institute for Molecular Genetics, Berlin, Germany
| | - João Agostinho de Sousa
- ETH Zurich, Laboratory of Nutrition and Metabolic Epigenetics, Institute of Food, Nutrition and Health, Zurich, Switzerland
| | - Ferdinand von Meyenn
- ETH Zurich, Laboratory of Nutrition and Metabolic Epigenetics, Institute of Food, Nutrition and Health, Zurich, Switzerland
| | - Hubert Pausch
- ETH Zurich, Animal Genomics, Institute of Agricultural Sciences, Zurich, Switzerland
| | - Susanne E Ulbrich
- ETH Zurich, Animal Physiology, Institute of Agricultural Sciences, Zurich, Switzerland.
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15
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Dufour A, Kurylo C, Stöckl JB, Laloë D, Bailly Y, Manceau P, Martins F, Turhan AG, Ferchaud S, Pain B, Fröhlich T, Foissac S, Artus J, Acloque H. Cell specification and functional interactions in the pig blastocyst inferred from single-cell transcriptomics and uterine fluids proteomics. Genomics 2024; 116:110780. [PMID: 38211822 DOI: 10.1016/j.ygeno.2023.110780] [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: 06/29/2023] [Revised: 12/08/2023] [Accepted: 12/30/2023] [Indexed: 01/13/2024]
Abstract
The embryonic development of the pig comprises a long in utero pre- and peri-implantation development, which dramatically differs from mice and humans. During this peri-implantation period, a complex series of paracrine signals establishes an intimate dialogue between the embryo and the uterus. To better understand the biology of the pig blastocyst during this period, we generated a large dataset of single-cell RNAseq from early and hatched blastocysts, spheroid and ovoid conceptus and proteomic datasets from corresponding uterine fluids. Our results confirm the molecular specificity and functionality of the three main cell populations. We also discovered two previously unknown subpopulations of the trophectoderm, one characterised by the expression of LRP2, which could represent progenitor cells, and the other, expressing pro-apoptotic markers, which could correspond to the Rauber's layer. Our work provides new insights into the biology of these populations, their reciprocal functional interactions, and the molecular dialogue with the maternal uterine environment.
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Affiliation(s)
- Adrien Dufour
- Université Paris Saclay, INRAE, AgroParisTech, GABI, Domaine de Vilvert, 78350 Jouy en Josas, France
| | - Cyril Kurylo
- Université de Toulouse, INRAE, ENVT, GenPhySE, Chemin de Borde Rouge, 31326 Castanet-Tolosan, France
| | - Jan B Stöckl
- Ludwig-Maximilians-Universität München, Genzentrum, Feodor-Lynen-Str. 25, 81377 München, Germany
| | - Denis Laloë
- Université Paris Saclay, INRAE, AgroParisTech, GABI, Domaine de Vilvert, 78350 Jouy en Josas, France
| | - Yoann Bailly
- INRAE, GenESI, La Gouvanière, 86480 Rouillé, France
| | | | - Frédéric Martins
- Plateforme Genome et Transcriptome (GeT-Santé), GenoToul, Toulouse University, CNRS, INRAE, INSA, Toulouse, France; I2MC - Institut des Maladies Métaboliques et Cardiovasculaires, Inserm, Université de Toulouse, Université Paul Sabatier, Toulouse, France
| | - Ali G Turhan
- Université Paris Saclay, Inserm, UMRS1310, 7 rue Guy Moquet, 94800 Villejuif, France
| | | | - Bertrand Pain
- Université de Lyon, Inserm, INRAE, SBRI, 18 Av. du Doyen Jean Lépine, 69500 Bron, France
| | - Thomas Fröhlich
- Ludwig-Maximilians-Universität München, Genzentrum, Feodor-Lynen-Str. 25, 81377 München, Germany
| | - Sylvain Foissac
- Université de Toulouse, INRAE, ENVT, GenPhySE, Chemin de Borde Rouge, 31326 Castanet-Tolosan, France
| | - Jérôme Artus
- Université Paris Saclay, Inserm, UMRS1310, 7 rue Guy Moquet, 94800 Villejuif, France
| | - Hervé Acloque
- Université Paris Saclay, INRAE, AgroParisTech, GABI, Domaine de Vilvert, 78350 Jouy en Josas, France.
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16
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Gu X, Wang M, Zhang XO. TE-TSS: an integrated data resource of human and mouse transposable element (TE)-derived transcription start site (TSS). Nucleic Acids Res 2024; 52:D322-D333. [PMID: 37956335 PMCID: PMC10767810 DOI: 10.1093/nar/gkad1048] [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: 08/13/2023] [Revised: 10/21/2023] [Accepted: 10/23/2023] [Indexed: 11/15/2023] Open
Abstract
Transposable elements (TEs) are abundant in the genome and serve as crucial regulatory elements. Some TEs function as epigenetically regulated promoters, and these TE-derived transcription start sites (TSSs) play a crucial role in regulating genes associated with specific functions, such as cancer and embryogenesis. However, the lack of an accessible database that systematically gathers TE-derived TSS data is a current research gap. To address this, we established TE-TSS, an integrated data resource of human and mouse TE-derived TSSs (http://xozhanglab.com/TETSS). TE-TSS has compiled 2681 RNA sequencing datasets, spanning various tissues, cell lines and developmental stages. From these, we identified 5768 human TE-derived TSSs and 2797 mouse TE-derived TSSs, with 47% and 38% being experimentally validated, respectively. TE-TSS enables comprehensive exploration of TSS usage in diverse samples, providing insights into tissue-specific gene expression patterns and transcriptional regulatory elements. Furthermore, TE-TSS compares TE-derived TSS regions across 15 mammalian species, enhancing our understanding of their evolutionary and functional aspects. The establishment of TE-TSS facilitates further investigations into the roles of TEs in shaping the transcriptomic landscape and offers valuable resources for comprehending their involvement in diverse biological processes.
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Affiliation(s)
- Xiaobing Gu
- Shanghai Key Laboratory of Maternal and Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Mingdong Wang
- Shanghai Key Laboratory of Maternal and Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Xiao-Ou Zhang
- Shanghai Key Laboratory of Maternal and Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
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17
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Biondic S, Petropoulos S. Evidence for Functional Roles of MicroRNAs in Lineage Specification During Mouse and Human Preimplantation Development. THE YALE JOURNAL OF BIOLOGY AND MEDICINE 2023; 96:481-494. [PMID: 38161584 PMCID: PMC10751869 DOI: 10.59249/fosi4358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Proper formation of the blastocyst, including the specification of the first embryonic cellular lineages, is required to ensure healthy embryo development and can significantly impact the success of assisted reproductive technologies (ARTs). However, the regulatory role of microRNAs in early development, particularly in the context of preimplantation lineage specification, remains largely unknown. Taking a cross-species approach, this review aims to summarize the expression dynamics and functional significance of microRNAs in the differentiation and maintenance of lineage identity in both the mouse and the human. Findings are consolidated from studies conducted using in vitro embryonic stem cell models representing the epiblast, trophectoderm, and primitive endoderm lineages (modeled by naïve embryonic stem cells, trophoblast stem cells, and extraembryonic endoderm stem cells, respectively) to provide insight on what may be occurring in the embryo. Additionally, studies directly conducted in both mouse and human embryos are discussed, emphasizing similarities to the stem cell models and the gaps in our understanding, which will hopefully lead to further investigation of these areas. By unraveling the intricate mechanisms by which microRNAs regulate the specification and maintenance of cellular lineages in the blastocyst, we can leverage this knowledge to further optimize stem cell-based models such as the blastoids, enhance embryo competence, and develop methods of non-invasive embryo selection, which can potentially increase the success rates of assisted reproductive technologies and improve the experiences of those receiving fertility treatments.
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Affiliation(s)
- Savana Biondic
- Centre de Recherche du Centre Hospitalier de
l’Université de Montréal, Axe Immunopathologie, Montréal, Canada
- Faculty of Medicine, Molecular Biology Program,
Université de Montréal, Montréal, Canada
| | - Sophie Petropoulos
- Centre de Recherche du Centre Hospitalier de
l’Université de Montréal, Axe Immunopathologie, Montréal, Canada
- Faculty of Medicine, Molecular Biology Program,
Université de Montréal, Montréal, Canada
- Division of Obstetrics and Gynecology, Department of
Clinical Science, Intervention and Technology, Karolinska Institutet, Stockholm,
Sweden
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18
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Kaufmann C, Wutz A. IndiSPENsable for X Chromosome Inactivation and Gene Silencing. EPIGENOMES 2023; 7:28. [PMID: 37987303 PMCID: PMC10660550 DOI: 10.3390/epigenomes7040028] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 10/23/2023] [Accepted: 10/30/2023] [Indexed: 11/22/2023] Open
Abstract
For about 30 years, SPEN has been the subject of research in many different fields due to its variety of functions and its conservation throughout a wide spectrum of species, like worms, arthropods, and vertebrates. To date, 216 orthologues have been documented. SPEN had been studied for its role in gene regulation in the context of cell signaling, including the NOTCH or nuclear hormone receptor signaling pathways. More recently, SPEN has been identified as a major regulator of initiation of chromosome-wide gene silencing during X chromosome inactivation (XCI) in mammals, where its function remains to be fully understood. Dependent on the biological context, SPEN functions via mechanisms which include different domains. While some domains of SPEN are highly conserved in sequence and secondary structure, species-to-species differences exist that might lead to mechanistic differences. Initiation of XCI appears to be different between humans and mice, which raises additional questions about the extent of generalization of SPEN's function in XCI. In this review, we dissect the mechanism of SPEN in XCI. We discuss its subregions and domains, focusing on its role as a major regulator. We further highlight species-related research, specifically of mouse and human SPEN, with the aim to reveal and clarify potential species-to-species differences in SPEN's function.
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Affiliation(s)
| | - Anton Wutz
- Institute of Molecular Health Sciences, Department of Biology, Swiss Federal Institute of Technology ETH Hönggerberg, 8093 Zurich, Switzerland;
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19
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Torre D, Francoeur NJ, Kalma Y, Gross Carmel I, Melo BS, Deikus G, Allette K, Flohr R, Fridrikh M, Vlachos K, Madrid K, Shah H, Wang YC, Sridhar SH, Smith ML, Eliyahu E, Azem F, Amir H, Mayshar Y, Marazzi I, Guccione E, Schadt E, Ben-Yosef D, Sebra R. Isoform-resolved transcriptome of the human preimplantation embryo. Nat Commun 2023; 14:6902. [PMID: 37903791 PMCID: PMC10616205 DOI: 10.1038/s41467-023-42558-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 10/15/2023] [Indexed: 11/01/2023] Open
Abstract
Human preimplantation development involves extensive remodeling of RNA expression and splicing. However, its transcriptome has been compiled using short-read sequencing data, which fails to capture most full-length mRNAs. Here, we generate an isoform-resolved transcriptome of early human development by performing long- and short-read RNA sequencing on 73 embryos spanning the zygote to blastocyst stages. We identify 110,212 unannotated isoforms transcribed from known genes, including highly conserved protein-coding loci and key developmental regulators. We further identify 17,964 isoforms from 5,239 unannotated genes, which are largely non-coding, primate-specific, and highly associated with transposable elements. These isoforms are widely supported by the integration of published multi-omics datasets, including single-cell 8CLC and blastoid studies. Alternative splicing and gene co-expression network analyses further reveal that embryonic genome activation is associated with splicing disruption and transient upregulation of gene modules. Together, these findings show that the human embryo transcriptome is far more complex than currently known, and will act as a valuable resource to empower future studies exploring development.
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Affiliation(s)
- Denis Torre
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | | | - Yael Kalma
- Fertility and IVF Institute, Tel-Aviv Sourasky Medical Center, Affiliated to Tel Aviv University, Tel Aviv, 64239, Israel
| | - Ilana Gross Carmel
- Fertility and IVF Institute, Tel-Aviv Sourasky Medical Center, Affiliated to Tel Aviv University, Tel Aviv, 64239, Israel
| | - Betsaida S Melo
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Center for Advanced Genomics Technology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Gintaras Deikus
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Center for Advanced Genomics Technology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Icahn Genomics Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Kimaada Allette
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Ron Flohr
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Sagol School of Neuroscience, Tel-Aviv University, Tel-Aviv, 69978, Israel
- CORAL - Center Of Regeneration and Longevity, Tel-Aviv Sourasky Medical Center, Tel Aviv, 64239, Israel
| | - Maya Fridrikh
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Center for Advanced Genomics Technology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Icahn Genomics Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | | | - Kent Madrid
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Center for Advanced Genomics Technology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Icahn Genomics Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Hardik Shah
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Center for Advanced Genomics Technology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Icahn Genomics Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Ying-Chih Wang
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Center for Advanced Genomics Technology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Icahn Genomics Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Shwetha H Sridhar
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Center for Advanced Genomics Technology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Icahn Genomics Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Melissa L Smith
- Department of Biochemistry and Molecular Genetics, University of Louisville, Louisville, KY, 40202, USA
| | - Efrat Eliyahu
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Icahn Genomics Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Foad Azem
- Fertility and IVF Institute, Tel-Aviv Sourasky Medical Center, Affiliated to Tel Aviv University, Tel Aviv, 64239, Israel
| | - Hadar Amir
- Fertility and IVF Institute, Tel-Aviv Sourasky Medical Center, Affiliated to Tel Aviv University, Tel Aviv, 64239, Israel
| | - Yoav Mayshar
- Department of Molecular Cell Biology, Weizmann Institute of Science, 7610001, Rehovot, Israel
| | - Ivan Marazzi
- Department of Biological Chemistry, Center for Epigenetics and Metabolism, University of California, Irvine, CA, 92697, USA
| | - Ernesto Guccione
- Center for OncoGenomics and Innovative Therapeutics (COGIT); Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Eric Schadt
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Dalit Ben-Yosef
- Fertility and IVF Institute, Tel-Aviv Sourasky Medical Center, Affiliated to Tel Aviv University, Tel Aviv, 64239, Israel.
- Department of Cell and Developmental Biology, Sackler Faculty of Medicine, Sagol School of Neuroscience, Tel-Aviv University, Tel-Aviv, 69978, Israel.
- CORAL - Center Of Regeneration and Longevity, Tel-Aviv Sourasky Medical Center, Tel Aviv, 64239, Israel.
| | - Robert Sebra
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
- Center for Advanced Genomics Technology, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
- Icahn Genomics Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA.
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20
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Kong N, Xu Q, Shen X, Zhu X, Cao G. Case report: A novel homozygous variant in ZP3 is associated with human empty follicle syndrome. Front Genet 2023; 14:1256549. [PMID: 37908588 PMCID: PMC10613883 DOI: 10.3389/fgene.2023.1256549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 09/11/2023] [Indexed: 11/02/2023] Open
Abstract
Empty follicle syndrome (EFS) is a rare condition in female infertility. It is characterized by the inability to retrieve oocytes from visibly large, normally developing follicles in the ovaries, despite ovarian stimulation. The genetic factors contributing to this syndrome remain unclear. This study focused on patients who underwent three consecutive ovarian stimulation procedures for oocyte retrieval but experienced unsuccessful outcomes, despite the presence of observable large follicles. Ultrasound examinations were conducted to assess follicular development during each procedure. In order to investigate potential genetic causes, we performed whole exome sequencing on peripheral blood samples from the patient. Interestingly, we identified that this patient carries a homozygous mutation in the ZP3 genes. Within the ZP3 gene, we identified a homozygous variant [NM_001110354.2, c.176T>A (p.L59H)] specifically located in the zona pellucida (ZP) domain. Further analysis, including bioinformatics methods and protein structure modeling, was carried out to investigate the conservation of the ZP3L59H variant across different species. This homozygous variant exhibited a high degree of conservation across various species. Importantly, the homozygous ZP3L59H variant was associated with the occurrence of empty follicle syndrome in affected female patients. The homozygous ZP3L59H variant represents a newly discovered genetic locus implicated in the development of human empty follicle syndrome. Our findings contribute to a deeper understanding of the role of zona pellucida-related genes in infertility and provide valuable insights for the genetic diagnosis of female infertility.
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Affiliation(s)
- Na Kong
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China
| | - Qian Xu
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Xiaoyue Shen
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China
| | - Xiangyu Zhu
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Guangyi Cao
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China
- Guangdong Provincial Key Laboratory of Reproductive Medicine, Guangzhou, China
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21
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Wei X, Fang X, Yu X, Li H, Guo Y, Qi Y, Sun C, Han D, Liu X, Li N, Hu H. Integrative analysis of single-cell embryo data reveals transcriptome signatures for the human pre-implantation inner cell mass. Dev Biol 2023; 502:39-49. [PMID: 37437860 DOI: 10.1016/j.ydbio.2023.07.004] [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: 03/08/2023] [Revised: 07/05/2023] [Accepted: 07/09/2023] [Indexed: 07/14/2023]
Abstract
As the source of embryonic stem cells (ESCs), inner cell mass (ICM) can form all tissues of the embryo proper, however, its role in early human lineage specification remains controversial. Although a stepwise differentiation model has been proposed suggesting the existence of ICM as a distinct developmental stage, the underlying molecular mechanism remains unclear. In the present study, we perform an integrated analysis on the public human preimplantation embryonic single-cell transcriptomic data and apply a trajectory inference algorithm to measure the cell plasticity. In our results, ICM population can be clearly discriminated on the dimension-reduced graph and confirmed by compelling evidences, thus validating the two-step hypothesis of lineage commitment. According to the branch probabilities and differentiation potential, we determine the precise time points for two lineage segregations. Further analysis on gene expression dynamics and regulatory network indicates that transcription factors including GSC, PRDM1, and SPIC may underlie the decisions of ICM fate. In addition, new human ICM marker genes, such as EPHA4 and CCR8 are discovered and validated by immunofluorescence. Given the potential clinical applications of ESCs, our analysis provides a further understanding of human ICM cells and facilitates the exploration of more unique characteristics in early human development.
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Affiliation(s)
- Xinshu Wei
- School of Medicine, South China University of Technology, Guangzhou, China; Laboratory of Medical Systems Biology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Xiang Fang
- Medical Research Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, China
| | - Xiu Yu
- School of Medicine, Jiaying University, Meizhou, 514015, China; Department of Histology and Embryology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, 510080, China; Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-sen University, Guangzhou, 510080, China
| | - Hong Li
- Laboratory of Medical Systems Biology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Yuyang Guo
- Laboratory of Medical Systems Biology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Yifei Qi
- Laboratory of Medical Systems Biology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Chuanbo Sun
- Laboratory of Medical Systems Biology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Dingding Han
- Department of Clinical Laboratory, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200062, China
| | - Xiaonan Liu
- Department of Assisted Reproductive Technology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China
| | - Na Li
- Laboratory of Medical Systems Biology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China.
| | - Hao Hu
- Laboratory of Medical Systems Biology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangdong Provincial Clinical Research Center for Child Health, Guangzhou, 510623, China; Provincial Key Laboratory of Research in Structure Birth Defect Disease and Department of Pediatric Surgery, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, 510623, China; Third Affiliatied Hospital of Zhengzhou University, Zhengzhou, China.
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22
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Strawbridge SE, Kurowski A, Corujo-Simon E, Fletcher AN, Nichols J, Fletcher AG. insideOutside: an accessible algorithm for classifying interior and exterior points, with applications in embryology. Biol Open 2023; 12:bio060055. [PMID: 37623821 PMCID: PMC10461464 DOI: 10.1242/bio.060055] [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: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/26/2023] Open
Abstract
A crucial aspect of embryology is relating the position of individual cells to the broader geometry of the embryo. A classic example of this is the first cell-fate decision of the mouse embryo, where interior cells become inner cell mass and exterior cells become trophectoderm. Fluorescent labelling, imaging, and quantification of tissue-specific proteins have advanced our understanding of this dynamic process. However, instances arise where these markers are either not available, or not reliable, and we are left only with the cells' spatial locations. Therefore, a simple, robust method for classifying interior and exterior cells of an embryo using spatial information is required. Here, we describe a simple mathematical framework and an unsupervised machine learning approach, termed insideOutside, for classifying interior and exterior points of a three-dimensional point-cloud, a common output from imaged cells within the early mouse embryo. We benchmark our method against other published methods to demonstrate that it yields greater accuracy in classification of nuclei from the pre-implantation mouse embryos and greater accuracy when challenged with local surface concavities. We have made MATLAB and Python implementations of the method freely available. This method should prove useful for embryology, with broader applications to similar data arising in the life sciences.
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Affiliation(s)
- Stanley E. Strawbridge
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
- Department of Physiology, Neuroscience and Development, University of Cambridge, Cambridge, UK
| | - Agata Kurowski
- Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Elena Corujo-Simon
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
- Department of Physiology, Neuroscience and Development, University of Cambridge, Cambridge, UK
- MRC Human Genetics Unit, University of Edinburgh, Edinburgh, UK
| | - Alastair N. Fletcher
- Department of Mathematical Sciences, Northern Illinois University, DeKalb, IL, USA
| | - Jennifer Nichols
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
- Department of Physiology, Neuroscience and Development, University of Cambridge, Cambridge, UK
- MRC Human Genetics Unit, University of Edinburgh, Edinburgh, UK
- Centre for Trophoblast Research, University of Cambridge, Cambridge, UK
| | - Alexander G. Fletcher
- School of Mathematics and Statistics, University of Sheffield, Sheffield, UK
- The Bateson Centre, University of Sheffield, Sheffield, UK
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23
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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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24
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Cao G, Zhu X, Lin Y, Fang J, Shen X, Wang S, Kong N. A novel homozygous variant in PADI6 is associate with human cleavage-stage embryonic arrest. Front Genet 2023; 14:1243230. [PMID: 37712067 PMCID: PMC10497744 DOI: 10.3389/fgene.2023.1243230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 08/16/2023] [Indexed: 09/16/2023] Open
Abstract
Repeated absence of useable embryos is a difficult problem for infertility patients. Among them, embryonic developmental arrest is more common, but the genetic cause is not known. The embryos of a patient who came to our hospital three times could not develop beyond the four-cell stage. In addition to recording the developmental details of the embryos by daily photo-taking, the PADI6 R132C homozygous variants was further confirmed by whole-exome sequencing. Subsequently, PADI6 R132C was analyzed by bioinformatics methods for conservativeness across species. In addition, the possible impact of the pathogenic mutation on the structure of the protein PADI6 were also assessed. Generally, we identified a homozygous variants [NM_207421.4, c.394C>T(p.R132C] in the middle protein-arginine deiminase domain in PADI6 gene. The homozygous variant is highly conserved across species. Homozygous variant in PADI6 R132C could cause a human cleavage-stage embryonic arrest in female patients. These findings provide further evidence for the important roles of the homozygous PADI6R132C variant in embryonic development. Our findings contribute to a deeper understanding of the molecular genetic basis of female infertility.
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Affiliation(s)
- Guangyi Cao
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China
| | - Xiangyu Zhu
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Yuling Lin
- State Key Laboratory of Reproductive Medicine and Offspring Health, Nanjing Medical University, Nanjing, China
| | - Junshun Fang
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China
| | - Xiaoyue Shen
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China
| | - Shanshan Wang
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China
| | - Na Kong
- Center for Reproductive Medicine and Obstetrics and Gynecology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
- Center for Molecular Reproductive Medicine, Nanjing University, Nanjing, China
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25
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Scatolin GN, Ming H, Wang Y, Zhu L, Castillo EG, Bondioli K, Jiang Z. Single-cell transcriptional landscapes of bovine peri-implantation development. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.06.13.544813. [PMID: 37398069 PMCID: PMC10312721 DOI: 10.1101/2023.06.13.544813] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
Supporting healthy pregnancy outcomes requires a comprehensive understanding of the cellular hierarchy and underlying molecular mechanisms during peri-implantation development. Here, we present a single-cell transcriptome-wide view of the bovine peri-implantation embryo development at day 12, 14, 16 and 18, when most of the pregnancy failure occurs in cattle. We defined the development and dynamic progression of cellular composition and gene expression of embryonic disc, hypoblast, and trophoblast lineages during bovine peri-implantation development. Notably, the comprehensive transcriptomic mapping of trophoblast development revealed a previously unrecognized primitive trophoblast cell lineage that is responsible for pregnancy maintenance in bovine prior to the time when binucleate cells emerge. We analyzed novel markers for the cell lineage development during bovine early development. We also identified cell-cell communication signaling underling embryonic and extraembryonic cell interaction to ensure proper early development. Collectively, our work provides foundational information to discover essential biological pathways underpinning bovine peri-implantation development and the molecular causes of the early pregnancy failure during this critical period. Significance Statement Peri-implantation development is essential for successful reproduction in mammalian species, and cattle have a unique process of elongation that proceeds for two weeks prior to implantation and represents a period when many pregnancies fail. Although the bovine embryo elongation has been studied histologically, the essential cellular and molecular factors governing lineage differentiation remain unexplored. This study profiled the transcriptome of single cells in the bovine peri-implantation development throughout day 12, 14, 16, and 18, and identified peri-implantation stage-related features of cell lineages. The candidate regulatory genes, factors, pathways and embryonic and extraembryonic cell interactions were also prioritized to ensure proper embryo elongation in cattle.
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26
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Mayshar Y, Raz O, Cheng S, Ben-Yair R, Hadas R, Reines N, Mittnenzweig M, Ben-Kiki O, Lifshitz A, Tanay A, Stelzer Y. Time-aligned hourglass gastrulation models in rabbit and mouse. Cell 2023; 186:2610-2627.e18. [PMID: 37209682 DOI: 10.1016/j.cell.2023.04.037] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 03/07/2023] [Accepted: 04/26/2023] [Indexed: 05/22/2023]
Abstract
The hourglass model describes the convergence of species within the same phylum to a similar body plan during development; however, the molecular mechanisms underlying this phenomenon in mammals remain poorly described. Here, we compare rabbit and mouse time-resolved differentiation trajectories to revisit this model at single-cell resolution. We modeled gastrulation dynamics using hundreds of embryos sampled between gestation days 6.0 and 8.5 and compared the species using a framework for time-resolved single-cell differentiation-flows analysis. We find convergence toward similar cell-state compositions at E7.5, supported by the quantitatively conserved expression of 76 transcription factors, despite divergence in surrounding trophoblast and hypoblast signaling. However, we observed noticeable changes in specification timing of some lineages and divergence of primordial germ cell programs, which in the rabbit do not activate mesoderm genes. Comparative analysis of temporal differentiation models provides a basis for studying the evolution of gastrulation dynamics across mammals.
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Affiliation(s)
- Yoav Mayshar
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Ofir Raz
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel; Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel
| | - Saifeng Cheng
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Raz Ben-Yair
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Ron Hadas
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Netta Reines
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Markus Mittnenzweig
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel; Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel
| | - Oren Ben-Kiki
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel; Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel
| | - Aviezer Lifshitz
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel; Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel
| | - Amos Tanay
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel; Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel.
| | - Yonatan Stelzer
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel.
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27
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Abstract
Recent years have seen exciting progress across human embryo research, including new methods for culturing embryos, transcriptional profiling of embryogenesis and gastrulation, mapping lineage trajectories, and experimenting on stem cell-based embryo models. These advances are beginning to define the dynamical principles of development across stages, tissues and organs, enabling a better understanding of human development before birth in health and disease, and potentially leading to improved treatments for infertility and developmental disorders. However, there are still significant roadblocks en route to this goal. Here, we highlight technical challenges to studying early human development and propose ways and means to overcome some of these constraints.
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Affiliation(s)
- Peter J. Rugg-Gunn
- Epigenetics Programme, Babraham Institute, Cambridge CB22 3AT, UK
- Centre for Trophoblast Research, University of Cambridge, Cambridge CB2 3EG, UK
- Wellcome-MRC Cambridge Stem Cell Institute, Cambridge CB2 0AW, UK
| | - Naomi Moris
- The Francis Crick Institute, London NW1 1AT, UK
| | - Patrick P. L. Tam
- Embryology Research Unit, Children's Medical Research Institute, The University of Sydney, Westmead NSW 2145, Australia
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney NSW 2006, Australia
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28
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Ruden X, Singh A, Marben T, Tang W, Awonuga A, Ruden DM, Puscheck E, Feng H, Rappolee D. A single cell transcriptomic fingerprint of stressed premature, imbalanced differentiation of embryonic stem cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.23.541952. [PMID: 37292812 PMCID: PMC10245821 DOI: 10.1101/2023.05.23.541952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Cultured naïve pluripotent ESC differentiate into first lineage, XEN or second lineage, formative pluripotency. Hyperosmotic stress (sorbitol), like retinoic acid, decreases naive pluripotency and increases XEN in two ESC lines, as reported by bulk and scRNAseq, analyzed by UMAP. Sorbitol overrides pluripotency in two ESC lines as reported by bulk and scRNAseq, analyzed by UMAP. UMAP analyzed the effects of 5 stimuli - three stressed (200-300mM sorbitol with leukemia inhibitory factor +LIF) and two unstressed (+LIF, normal stemness-NS and -LIF, normal differentiation-ND). Sorbitol and RA decrease naive pluripotency and increase subpopulations of 2-cell embryo-like and XEN sub-lineages; primitive, parietal, and visceral endoderm (VE). Between the naïve pluripotency and primitive endoderm clusters is a stress-induced cluster with transient intermediate cells with higher LIF receptor signaling, with increased Stat3, Klf4, and Tbx3 expression. Sorbitol, like RA, also suppresses formative pluripotency, increasing lineage imbalance. Although bulk RNAseq and gene ontology group analyses suggest that stress induces head organizer and placental markers, scRNAseq reveals few cells. But VE and placental markers/cells were in adjacent clusters, like recent reports. UMAPs show that dose-dependent stress overrides stemness to force premature lineage imbalance. Hyperosmotic stress induces lineage imbalance, and other toxicological stresses, like drugs with RA, may cause lineage imbalance, resulting in miscarriages or birth defects.
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29
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Panariello F, Gagliano O, Luni C, Grimaldi A, Angiolillo S, Qin W, Manfredi A, Annunziata P, Slovin S, Vaccaro L, Riccardo S, Bouche V, Dionisi M, Salvi M, Martewicz S, Hu M, Cui M, Stuart H, Laterza C, Baruzzo G, Schiebinger G, Di Camillo B, Cacchiarelli D, Elvassore N. Cellular population dynamics shape the route to human pluripotency. Nat Commun 2023; 14:2829. [PMID: 37198156 DOI: 10.1038/s41467-023-37270-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 03/09/2023] [Indexed: 05/19/2023] Open
Abstract
Human cellular reprogramming to induced pluripotency is still an inefficient process, which has hindered studying the role of critical intermediate stages. Here we take advantage of high efficiency reprogramming in microfluidics and temporal multi-omics to identify and resolve distinct sub-populations and their interactions. We perform secretome analysis and single-cell transcriptomics to show functional extrinsic pathways of protein communication between reprogramming sub-populations and the re-shaping of a permissive extracellular environment. We pinpoint the HGF/MET/STAT3 axis as a potent enhancer of reprogramming, which acts via HGF accumulation within the confined system of microfluidics, and in conventional dishes needs to be supplied exogenously to enhance efficiency. Our data suggest that human cellular reprogramming is a transcription factor-driven process that it is deeply dependent on extracellular context and cell population determinants.
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Affiliation(s)
- Francesco Panariello
- Telethon Institute of Genetics and Medicine (TIGEM), Armenise/Harvard Laboratory of Integrative Genomics, Pozzuoli, Italy
| | - Onelia Gagliano
- Department of Industrial Engineering, University of Padova, Padova, Italy
- Veneto Institute of Molecular Medicine (VIMM), Padova, Italy
- Stem Cell and Regenerative Medicine Section, GOS Institute of Child Health, University College London, London, UK
| | - Camilla Luni
- Shanghai Institute for Advanced Immunochemical Studies (SIAIS), ShanghaiTech University, Shanghai, China
- Department of Civil, Chemical, Environmental and Materials Engineering (DICAM), University of Bologna, Bologna, Italy
| | - Antonio Grimaldi
- Telethon Institute of Genetics and Medicine (TIGEM), Armenise/Harvard Laboratory of Integrative Genomics, Pozzuoli, Italy
| | - Silvia Angiolillo
- Department of Industrial Engineering, University of Padova, Padova, Italy
- Veneto Institute of Molecular Medicine (VIMM), Padova, Italy
| | - Wei Qin
- Department of Industrial Engineering, University of Padova, Padova, Italy
- Veneto Institute of Molecular Medicine (VIMM), Padova, Italy
- Shanghai Institute for Advanced Immunochemical Studies (SIAIS), ShanghaiTech University, Shanghai, China
| | - Anna Manfredi
- Telethon Institute of Genetics and Medicine (TIGEM), Armenise/Harvard Laboratory of Integrative Genomics, Pozzuoli, Italy
- NEGEDIA (Next Generation Diagnostic srl), Pozzuoli, Italy
| | - Patrizia Annunziata
- Telethon Institute of Genetics and Medicine (TIGEM), Armenise/Harvard Laboratory of Integrative Genomics, Pozzuoli, Italy
- NEGEDIA (Next Generation Diagnostic srl), Pozzuoli, Italy
| | - Shaked Slovin
- Telethon Institute of Genetics and Medicine (TIGEM), Armenise/Harvard Laboratory of Integrative Genomics, Pozzuoli, Italy
| | - Lorenzo Vaccaro
- Telethon Institute of Genetics and Medicine (TIGEM), Armenise/Harvard Laboratory of Integrative Genomics, Pozzuoli, Italy
| | - Sara Riccardo
- Telethon Institute of Genetics and Medicine (TIGEM), Armenise/Harvard Laboratory of Integrative Genomics, Pozzuoli, Italy
- NEGEDIA (Next Generation Diagnostic srl), Pozzuoli, Italy
| | - Valentina Bouche
- Telethon Institute of Genetics and Medicine (TIGEM), Armenise/Harvard Laboratory of Integrative Genomics, Pozzuoli, Italy
| | - Manuela Dionisi
- Telethon Institute of Genetics and Medicine (TIGEM), Armenise/Harvard Laboratory of Integrative Genomics, Pozzuoli, Italy
| | - Marcello Salvi
- Telethon Institute of Genetics and Medicine (TIGEM), Armenise/Harvard Laboratory of Integrative Genomics, Pozzuoli, Italy
| | - Sebastian Martewicz
- Shanghai Institute for Advanced Immunochemical Studies (SIAIS), ShanghaiTech University, Shanghai, China
| | - Manli Hu
- Shanghai Institute for Advanced Immunochemical Studies (SIAIS), ShanghaiTech University, Shanghai, China
| | - Meihua Cui
- Shanghai Institute for Advanced Immunochemical Studies (SIAIS), ShanghaiTech University, Shanghai, China
| | - Hannah Stuart
- Department of Industrial Engineering, University of Padova, Padova, Italy
- Veneto Institute of Molecular Medicine (VIMM), Padova, Italy
| | - Cecilia Laterza
- Department of Industrial Engineering, University of Padova, Padova, Italy
- Veneto Institute of Molecular Medicine (VIMM), Padova, Italy
| | - Giacomo Baruzzo
- Department of Information Engineering, University of Padova, Padova, Italy
| | | | - Barbara Di Camillo
- Department of Information Engineering, University of Padova, Padova, Italy
- Department of Comparative Biomedicine and Food Science, University of Padova, Padova, Italy
- CRIBI Biotechnology Center, University of Padova, Padova, Italy
| | - Davide Cacchiarelli
- Telethon Institute of Genetics and Medicine (TIGEM), Armenise/Harvard Laboratory of Integrative Genomics, Pozzuoli, Italy.
- Department of Translational Medicine, University of Naples "Federico II", Naples, Italy.
- School for Advanced Studies, Genomics and Experimental Medicine Program, University of Naples "Federico II", Naples, Italy.
| | - Nicola Elvassore
- Department of Industrial Engineering, University of Padova, Padova, Italy.
- Veneto Institute of Molecular Medicine (VIMM), Padova, Italy.
- Stem Cell and Regenerative Medicine Section, GOS Institute of Child Health, University College London, London, UK.
- Shanghai Institute for Advanced Immunochemical Studies (SIAIS), ShanghaiTech University, Shanghai, China.
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30
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Corujo-Simon E, Radley AH, Nichols J. Evidence implicating sequential commitment of the founder lineages in the human blastocyst by order of hypoblast gene activation. Development 2023; 150:dev201522. [PMID: 37102672 PMCID: PMC10233721 DOI: 10.1242/dev.201522] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Accepted: 04/19/2023] [Indexed: 04/28/2023]
Abstract
Successful human pregnancy depends upon rapid establishment of three founder lineages: the trophectoderm, epiblast and hypoblast, which together form the blastocyst. Each plays an essential role in preparing the embryo for implantation and subsequent development. Several models have been proposed to define the lineage segregation. One suggests that all lineages specify simultaneously; another favours the differentiation of the trophectoderm before separation of the epiblast and hypoblast, either via differentiation of the hypoblast from the established epiblast, or production of both tissues from the inner cell mass precursor. To begin to resolve this discrepancy and thereby understand the sequential process for production of viable human embryos, we investigated the expression order of genes associated with emergence of hypoblast. Based upon published data and immunofluorescence analysis for candidate genes, we present a basic blueprint for human hypoblast differentiation, lending support to the proposed model of sequential segregation of the founder lineages of the human blastocyst. The first characterised marker, specific initially to the early inner cell mass, and subsequently identifying presumptive hypoblast, is PDGFRA, followed by SOX17, FOXA2 and GATA4 in sequence as the hypoblast becomes committed.
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Affiliation(s)
- Elena Corujo-Simon
- Wellcome Trust – MRC Stem Cell Institute, University of Cambridge, Jeffrey Cheah Biomedical Centre, Puddicombe Way, Cambridge CB2 0AW, UK
| | - Arthur H. Radley
- Wellcome Trust – MRC Stem Cell Institute, University of Cambridge, Jeffrey Cheah Biomedical Centre, Puddicombe Way, Cambridge CB2 0AW, UK
| | - Jennifer Nichols
- Wellcome Trust – MRC Stem Cell Institute, University of Cambridge, Jeffrey Cheah Biomedical Centre, Puddicombe Way, Cambridge CB2 0AW, UK
- Department of Physiology, Development and Neuroscience, University of Cambridge, Tennis Court Road, Cambridge CB2 3EG, UK
- Centre for Trophoblast Research, University of Cambridge, Cambridge CB2 3EG, UK
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31
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Pinzón-Arteaga CA, Wang Y, Wei Y, Ribeiro Orsi AE, Li L, Scatolin G, Liu L, Sakurai M, Ye J, Hao Ming, Yu L, Li B, Jiang Z, Wu J. Bovine blastocyst-like structures derived from stem cell cultures. Cell Stem Cell 2023; 30:611-616.e7. [PMID: 37146582 PMCID: PMC10230549 DOI: 10.1016/j.stem.2023.04.003] [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: 01/13/2023] [Revised: 03/23/2023] [Accepted: 04/05/2023] [Indexed: 05/07/2023]
Abstract
Understanding the mechanisms of blastocyst formation and implantation is critical for improving farm animal reproduction but is hampered by a limited supply of embryos. Here, we developed an efficient method to generate bovine blastocyst-like structures (termed blastoids) via assembling bovine trophoblast stem cells and expanded potential stem cells. Bovine blastoids resemble blastocysts in morphology, cell composition, single-cell transcriptomes, in vitro growth, and the ability to elicit maternal recognition of pregnancy following transfer to recipient cows. Bovine blastoids represent an accessible in vitro model for studying embryogenesis and improving reproductive efficiency in livestock species.
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Affiliation(s)
- Carlos A Pinzón-Arteaga
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Yinjuan Wang
- School of Animal Sciences, AgCenter, Louisiana State University, Baton Rouge, LA 70810, USA
| | - Yulei Wei
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA; State Key Laboratory of Animal Biotech Breeding, College of Biological Sciences, China, Agricultural University, Beijing 100193, China
| | - Ana E Ribeiro Orsi
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA; Department of Genetics and Evolutionary Biology, Institute of Biosciences, University of São Paulo, São Paulo, Brazil
| | - Leijie Li
- SJTU-Yale Joint Center for Biostatistics and Data Science, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Giovanna Scatolin
- School of Animal Sciences, AgCenter, Louisiana State University, Baton Rouge, LA 70810, USA; Department of Animal Sciences, Genetics Institute, University of Florida, Gainesville, FL 32610, USA
| | - Lizhong Liu
- 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
| | - Jianfeng Ye
- Lyda Hill Department of Bioinformatics, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Hao Ming
- School of Animal Sciences, AgCenter, Louisiana State University, Baton Rouge, LA 70810, USA
| | - Leqian Yu
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA; The 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
| | - Bo Li
- Lyda Hill Department of Bioinformatics, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Zongliang Jiang
- School of Animal Sciences, AgCenter, Louisiana State University, Baton Rouge, LA 70810, USA; Department of Animal Sciences, Genetics Institute, University of Florida, Gainesville, FL 32610, USA; Genetics Institute, University of Florida, Gainesville, FL 32610, 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 75390, USA; Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA.
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32
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Menzorov AG. Pluripotent Stem Cells of Order Carnivora: Technical Perspective. Int J Mol Sci 2023; 24:ijms24043905. [PMID: 36835318 PMCID: PMC9963171 DOI: 10.3390/ijms24043905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 02/08/2023] [Accepted: 02/12/2023] [Indexed: 02/17/2023] Open
Abstract
Human and mouse induced pluripotent stem cells (PSCs) are widely used for studying early embryonic development and for modeling of human diseases. Derivation and studying of PSCs from model organisms beyond commonly used mice and rats may provide new insights into the modeling and treating human diseases. The order Carnivora representatives possess unique features and are already used for modeling human-related traits. This review focuses on the technical aspects of derivation of the Carnivora species PSCs as well as their characterization. Current data on dog, feline, ferret, and American mink PSCs are summarized.
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Affiliation(s)
- Aleksei G. Menzorov
- Sector of Cell Collections, Institute of Cytology and Genetics of the Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia;
- Natural Sciences Department, Novosibirsk State University, 630090 Novosibirsk, Russia
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33
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Sharif M, Detti L, Van den Veyver IB. Take your mother's ferry: preimplantation embryo development requires maternal karyopherins for nuclear transport. J Clin Invest 2023; 133:e166279. [PMID: 36647833 PMCID: PMC9843045 DOI: 10.1172/jci166279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
The genetic basis of preimplantation embryo arrest is slowly being unraveled. Recent discoveries point to maternally expressed proteins required for cellular functions before the embryonic genome is activated. In this issue of the JCI, Wang, Miyamoto, et al. suggest a critical role for karyopherin-mediated protein cargo transport between oocyte cytoplasm and nucleus. Defective maternal oocyte-expressed human karyopherin subunit α7 (KPNA7) and mouse KPNA2 fail to bind a critical substrate, ribosomal L1 domain-containing protein 1 (RSL1D1), affecting its transport to the nucleus. As shown in embryos of Kpna2-null females, the consequences are disrupted zygotic genome activation and arrest of development. These findings have important implications for diagnosis and treatment of female infertility.
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Affiliation(s)
| | - Laura Detti
- Department of Obstetrics and Gynecology
- Division of Reproductive Endocrinology and Infertility
| | - Ignatia B. Van den Veyver
- Department of Obstetrics and Gynecology
- Divisions of Maternal Fetal Medicine and Prenatal and Reproductive Genetics, and
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA
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34
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Cockerell A, Wright L, Dattani A, Guo G, Smith A, Tsaneva-Atanasova K, Richards DM. Biophysical models of early mammalian embryogenesis. Stem Cell Reports 2023; 18:26-46. [PMID: 36630902 PMCID: PMC9860129 DOI: 10.1016/j.stemcr.2022.11.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 11/02/2022] [Accepted: 11/24/2022] [Indexed: 01/12/2023] Open
Abstract
Embryo development is a critical and fascinating stage in the life cycle of many organisms. Despite decades of research, the earliest stages of mammalian embryogenesis are still poorly understood, caused by a scarcity of high-resolution spatial and temporal data, the use of only a few model organisms, and a paucity of truly multidisciplinary approaches that combine biological research with biophysical modeling and computational simulation. Here, we explain the theoretical frameworks and biophysical processes that are best suited to modeling the early mammalian embryo, review a comprehensive list of previous models, and discuss the most promising avenues for future work.
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Affiliation(s)
- Alaina Cockerell
- Living Systems Institute, University of Exeter, Stocker Road, Exeter EX4 4QD, UK
| | - Liam Wright
- Department of Mathematics, University of Exeter, North Park Road, Exeter EX4 4QF, UK
| | - Anish Dattani
- Living Systems Institute, University of Exeter, Stocker Road, Exeter EX4 4QD, UK
| | - Ge Guo
- Living Systems Institute, University of Exeter, Stocker Road, Exeter EX4 4QD, UK
| | - Austin Smith
- Living Systems Institute, University of Exeter, Stocker Road, Exeter EX4 4QD, UK
| | - Krasimira Tsaneva-Atanasova
- Living Systems Institute, University of Exeter, Stocker Road, Exeter EX4 4QD, UK; Department of Mathematics, University of Exeter, North Park Road, Exeter EX4 4QF, UK; EPSRC Hub for Quantitative Modelling in Healthcare, University of Exeter, Exeter EX4 4QJ, UK; Department of Bioinformatics and Mathematical Modelling, Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 105 Acad. G. Bonchev Street, 1113 Sofia, Bulgaria
| | - David M Richards
- Living Systems Institute, University of Exeter, Stocker Road, Exeter EX4 4QD, UK; Department of Physics and Astronomy, University of Exeter, North Park Road, Exeter EX4 4QL, UK.
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35
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Roussel Y, Verasztó C, Rodarie D, Damart T, Reimann M, Ramaswamy S, Markram H, Keller D. Mapping of morpho-electric features to molecular identity of cortical inhibitory neurons. PLoS Comput Biol 2023; 19:e1010058. [PMID: 36602951 DOI: 10.1371/journal.pcbi.1010058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 03/26/2022] [Indexed: 01/06/2023] Open
Abstract
Knowledge of the cell-type-specific composition of the brain is useful in order to understand the role of each cell type as part of the network. Here, we estimated the composition of the whole cortex in terms of well characterized morphological and electrophysiological inhibitory neuron types (me-types). We derived probabilistic me-type densities from an existing atlas of molecularly defined cell-type densities in the mouse cortex. We used a well-established me-type classification from rat somatosensory cortex to populate the cortex. These me-types were well characterized morphologically and electrophysiologically but they lacked molecular marker identity labels. To extrapolate this missing information, we employed an additional dataset from the Allen Institute for Brain Science containing molecular identity as well as morphological and electrophysiological data for mouse cortical neurons. We first built a latent space based on a number of comparable morphological and electrical features common to both data sources. We then identified 19 morpho-electrical clusters that merged neurons from both datasets while being molecularly homogeneous. The resulting clusters best mirror the molecular identity classification solely using available morpho-electrical features. Finally, we stochastically assigned a molecular identity to a me-type neuron based on the latent space cluster it was assigned to. The resulting mapping was used to derive inhibitory me-types densities in the cortex.
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Affiliation(s)
- Yann Roussel
- Blue Brain Project, École polytechnique fédérale de Lausanne (EPFL), Geneva, Switzerland
| | - Csaba Verasztó
- Blue Brain Project, École polytechnique fédérale de Lausanne (EPFL), Geneva, Switzerland
| | - Dimitri Rodarie
- Blue Brain Project, École polytechnique fédérale de Lausanne (EPFL), Geneva, Switzerland
| | - Tanguy Damart
- Blue Brain Project, École polytechnique fédérale de Lausanne (EPFL), Geneva, Switzerland
| | - Michael Reimann
- Blue Brain Project, École polytechnique fédérale de Lausanne (EPFL), Geneva, Switzerland
| | - Srikanth Ramaswamy
- Blue Brain Project, École polytechnique fédérale de Lausanne (EPFL), Geneva, Switzerland
| | - Henry Markram
- Blue Brain Project, École polytechnique fédérale de Lausanne (EPFL), Geneva, Switzerland
| | - Daniel Keller
- Blue Brain Project, École polytechnique fédérale de Lausanne (EPFL), Geneva, Switzerland
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36
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Martin A, Mercader A, Dominguez F, Quiñonero A, Perez M, Gonzalez-Martin R, Delgado A, Mifsud A, Pellicer A, De Los Santos MJ. Mosaic results after preimplantation genetic testing for aneuploidy may be accompanied by changes in global gene expression. Front Mol Biosci 2023; 10:1180689. [PMID: 37122560 PMCID: PMC10140421 DOI: 10.3389/fmolb.2023.1180689] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 04/04/2023] [Indexed: 05/02/2023] Open
Abstract
Aneuploidy in preimplantation embryos is a major cause of human reproductive failure. Unlike uniformly aneuploid embryos, embryos diagnosed as diploid-aneuploid mosaics after preimplantation genetic testing for aneuploidy (PGT-A) can develop into healthy infants. However, the reason why these embryos achieve full reproductive competence needs further research. Current RNA sequencing techniques allow for the investigation of the human preimplantation transcriptome, providing new insights into the molecular mechanisms of embryo development. In this prospective study, using euploid embryo gene expression as a control, we compared the transcriptome profiles of inner cell mass and trophectoderm samples from blastocysts with different levels of chromosomal mosaicism. A total of 25 samples were analyzed from 14 blastocysts with previous PGT-A diagnosis, including five low-level mosaic embryos and four high-level mosaic embryos. Global gene expression profiles visualized in cluster heatmaps were correlated with the original PGT-A diagnosis. In addition, gene expression distance based on the number of differentially expressed genes increased with the mosaic level, compared to euploid controls. Pathways involving apoptosis, mitosis, protein degradation, metabolism, and mitochondrial energy production were among the most deregulated within mosaic embryos. Retrospective analysis of the duration of blastomere cell cycles in mosaic embryos revealed several mitotic delays compared to euploid controls, providing additional evidence of the mosaic status. Overall, these findings suggest that embryos with mosaic results are not simply a misdiagnosis by-product, but may also have a genuine molecular identity that is compatible with their reproductive potential.
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Affiliation(s)
- A. Martin
- IVI-RMA Foundation, Health Research Institute La Fe, Valencia, Spain
| | - A. Mercader
- IVI-RMA Foundation, Health Research Institute La Fe, Valencia, Spain
- IVI-RMA Valencia, Valencia, Spain
| | - F. Dominguez
- IVI-RMA Foundation, Health Research Institute La Fe, Valencia, Spain
| | - A. Quiñonero
- IVI-RMA Foundation, Health Research Institute La Fe, Valencia, Spain
| | - M. Perez
- IVI-RMA Foundation, Health Research Institute La Fe, Valencia, Spain
| | | | | | | | - A. Pellicer
- IVI-RMA Foundation, Health Research Institute La Fe, Valencia, Spain
- IVI-RMA Rome, Rome, Italy
| | - M. J. De Los Santos
- IVI-RMA Foundation, Health Research Institute La Fe, Valencia, Spain
- IVI-RMA Valencia, Valencia, Spain
- *Correspondence: M. J. De Los Santos,
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37
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de Castro P, Vendrell X, Escrich L, Grau N, Gonzalez-Martin R, Quiñonero A, Dominguez F, Escribá MJ. Comparative single-cell transcriptomic profiles of human androgenotes and parthenogenotes during early development. Fertil Steril 2022; 119:675-687. [PMID: 36563838 DOI: 10.1016/j.fertnstert.2022.12.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 12/02/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022]
Abstract
OBJECTIVE To unravel the differential transcriptomic behavior of human androgenotes (AGs) and parthenogenotes (PGs) throughout the first cell cycles, analyze the differential expression of genes related to key biologic processes, and determine the time frame for embryonic genome activation (EGA) in AGs and PGs. DESIGN Laboratory study. SETTING Private fertility clinic. PATIENT(S) Mature oocytes were retrieved from healthy donors and subjected to artificial oocyte activation using calcium ionophore and puromycin to generate PGs (n = 6) or enucleated and subjected to intracytoplasmic sperm injection to generate AGs (n = 10). INTERVENTION(S) Uniparental constructs at different early stages of development were disaggregated into constituent single cells (we suggest the terms parthenocytes and androcytes) to characterize the single-cell transcriptional landscape using next-generation sequencing. MAIN OUTCOMES MEASURE(S) Transcriptomic profiles comparison between different stages of early development in AGs and PGs. RESULT(S) The uniparental transcriptomic profiles at the first cell cycle showed 68 down-regulated and 26 up-regulated differentially expressed genes (DEGs) in PGs compared with AGs. During the third cell cycle, we found 60 up-regulated and 504 down-regulated DEGs in PGs compared with AGs. In the fourth cell cycle, 1,771 up-regulated and 1,171 down-regulated DEGs were found in PGs compared with AGs. The AGs and PGs had reduced EGA profiles during the first 3 cell cycles, and a spike of EGA at the fourth cell cycle was observed in PGs. CONCLUSION(S) Transcriptomic analysis of AGs and PGs revealed their complementary behavior until the fourth cell cycle. Androgenotes undergo a low wave of transcription during the first cell cycle, which reflects the paternal contribution to cell cycle coordination, mechanics of cell division, and novel transcription regulation. Maternal transcripts are most prominent in the third and fourth cell cycles, with amplification of transcription related to morphogenic progression and embryonic developmental competence acquisition. Regarding EGA, in PGs, a primitive EGA begins at the 1-cell stage and gradually progresses until the 4-cell stage, when crucial epigenetic reprogramming (through methylation) is up-regulated. In addition, our longitudinal single-cell transcriptomic analysis challenges that the zygote and early cleavage stages are the only totipotent entities, by revealing potential totipotency in cleavage-stage AGs and implications of paternal transcripts.
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Affiliation(s)
- Pedro de Castro
- Grupo de Investigación en Medicina Reproductiva, Fundación FIVI, Instituto de Investigación Sanitaria La Fe (IIS LA FE), Valencia, Spain
| | | | | | | | - Roberto Gonzalez-Martin
- Grupo de Investigación en Medicina Reproductiva, Fundación FIVI, Instituto de Investigación Sanitaria La Fe (IIS LA FE), Valencia, Spain
| | - Alicia Quiñonero
- Grupo de Investigación en Medicina Reproductiva, Fundación FIVI, Instituto de Investigación Sanitaria La Fe (IIS LA FE), Valencia, Spain
| | - Francisco Dominguez
- Grupo de Investigación en Medicina Reproductiva, Fundación FIVI, Instituto de Investigación Sanitaria La Fe (IIS LA FE), Valencia, Spain.
| | - María José Escribá
- Grupo de Investigación en Medicina Reproductiva, Fundación FIVI, Instituto de Investigación Sanitaria La Fe (IIS LA FE), Valencia, Spain; IVI Valencia, Valencia, Spain
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38
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Dattani A, Huang T, Liddle C, Smith A, Guo G. Suppression of YAP safeguards human naïve pluripotency. Development 2022; 149:dev200988. [PMID: 36398796 PMCID: PMC9845734 DOI: 10.1242/dev.200988] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 11/11/2022] [Indexed: 11/19/2022]
Abstract
Propagation of human naïve pluripotent stem cells (nPSCs) relies on the inhibition of MEK/ERK signalling. However, MEK/ERK inhibition also promotes differentiation into trophectoderm (TE). Therefore, robust self-renewal requires suppression of TE fate. Tankyrase inhibition using XAV939 has been shown to stabilise human nPSCs and is implicated in TE suppression. Here, we dissect the mechanism of this effect. Tankyrase inhibition is known to block canonical Wnt/β-catenin signalling. However, we show that nPSCs depleted of β-catenin remain dependent on XAV939. Rather than inhibiting Wnt, we found that XAV939 prevents TE induction by reducing activation of YAP, a co-factor of TE-inducing TEAD transcription factors. Tankyrase inhibition stabilises angiomotin, which limits nuclear accumulation of YAP. Upon deletion of angiomotin-family members AMOT and AMOTL2, nuclear YAP increases and XAV939 fails to prevent TE induction. Expression of constitutively active YAP similarly precipitates TE differentiation. Conversely, nPSCs lacking YAP1 or its paralog TAZ (WWTR1) resist TE differentiation and self-renewal efficiently without XAV939. These findings explain the distinct requirement for tankyrase inhibition in human but not in mouse nPSCs and highlight the pivotal role of YAP activity in human naïve pluripotency and TE differentiation. This article has an associated 'The people behind the papers' interview.
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Affiliation(s)
- Anish Dattani
- Living Systems Institute, University of Exeter, Stocker Road, Exeter EX4 4QD, UK
| | - Tao Huang
- Living Systems Institute, University of Exeter, Stocker Road, Exeter EX4 4QD, UK
| | - Corin Liddle
- Bioimaging Centre, Department of Biosciences, University of Exeter, Stocker Road, Exeter EX4 4QD, UK
| | - Austin Smith
- Living Systems Institute, University of Exeter, Stocker Road, Exeter EX4 4QD, UK
| | - Ge Guo
- Living Systems Institute, University of Exeter, Stocker Road, Exeter EX4 4QD, UK
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39
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Zhou Z, Tan C, Chau M, Jiang X, Ke Z, Chen X, Cao Y, Kwok YK, Bellgard M, Leung T, Choy K, Dong Z. TEDD: a database of temporal gene expression patterns during multiple developmental periods in human and model organisms. Nucleic Acids Res 2022; 51:D1168-D1178. [PMID: 36350663 PMCID: PMC9825605 DOI: 10.1093/nar/gkac978] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 10/06/2022] [Accepted: 10/15/2022] [Indexed: 11/10/2022] Open
Abstract
Characterization of the specific expression and chromatin profiles of genes enables understanding how they contribute to tissue/organ development and the mechanisms leading to diseases. Whilst the number of single-cell sequencing studies is increasing dramatically; however, data mining and reanalysis remains challenging. Herein, we systematically curated the up-to-date and most comprehensive datasets of sequencing data originating from 2760 bulk samples and over 5.1 million single-cells from multiple developmental periods from humans and multiple model organisms. With unified and systematic analysis, we profiled the gene expression and chromatin accessibility among 481 cell-types, 79 tissue-types and 92 timepoints, and pinpointed cells with the co-expression of target genes. We also enabled the detection of gene(s) with a temporal and cell-type specific expression profile that is similar to or distinct from that of a target gene. Additionally, we illustrated the potential upstream and downstream gene-gene regulation interactions, particularly under the same biological process(es) or KEGG pathway(s). Thus, TEDD (Temporal Expression during Development Database), a value-added database with a user-friendly interface, not only enables researchers to identify cell-type/tissue-type specific and temporal gene expression and chromatin profiles but also facilitates the association of genes with undefined biological functions in development and diseases. The database URL is https://TEDD.obg.cuhk.edu.hk/.
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Affiliation(s)
| | | | - Matthew Hoi Kin Chau
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, China,Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518057, China,Hong Kong Hub of Paediatric Excellence, The Chinese University of Hong Kong, Hong Kong, China,The Chinese University of Hong Kong-Baylor College of Medicine Joint Center for Medical Genetics, Hong Kong, China
| | - Xiaosen Jiang
- BGI-Shenzhen, Shenzhen 518083, China,College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ziyuan Ke
- BGI-Shenzhen, Shenzhen 518083, China
| | - Xiaoyan Chen
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, China,Maternal-Fetal Medicine Institute, Shenzhen Baoan Women's and Children's Hospital, Shenzhen University, Shenzhen, China
| | - Ye Cao
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, China,Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518057, China,Hong Kong Hub of Paediatric Excellence, The Chinese University of Hong Kong, Hong Kong, China,The Fertility Preservation Research Center, Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, China
| | - Yvonne K Kwok
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, China
| | - Matthew Bellgard
- eResearch Office, Queensland University of Technology, Brisbane, QLD, Australia
| | - Tak Yeung Leung
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, China,Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518057, China,Hong Kong Hub of Paediatric Excellence, The Chinese University of Hong Kong, Hong Kong, China,The Chinese University of Hong Kong-Baylor College of Medicine Joint Center for Medical Genetics, Hong Kong, China,The Fertility Preservation Research Center, Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, China
| | - Kwong Wai Choy
- Correspondence may also be addressed to Kwong Wai Choy. Tel: +852 3505 3099; Fax: +852 2636 0008;
| | - Zirui Dong
- To whom correspondence should be addressed. Tel: +852 3505 3099; Fax: +852 2636 0008;
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40
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Damianidou E, Mouratidou L, Kyrousi C. Research models of neurodevelopmental disorders: The right model in the right place. Front Neurosci 2022; 16:1031075. [PMID: 36340790 PMCID: PMC9630472 DOI: 10.3389/fnins.2022.1031075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 10/07/2022] [Indexed: 11/25/2022] Open
Abstract
Neurodevelopmental disorders (NDDs) are a heterogeneous group of impairments that affect the development of the central nervous system leading to abnormal brain function. NDDs affect a great percentage of the population worldwide, imposing a high societal and economic burden and thus, interest in this field has widely grown in recent years. Nevertheless, the complexity of human brain development and function as well as the limitations regarding human tissue usage make their modeling challenging. Animal models play a central role in the investigation of the implicated molecular and cellular mechanisms, however many of them display key differences regarding human phenotype and in many cases, they partially or completely fail to recapitulate them. Although in vitro two-dimensional (2D) human-specific models have been highly used to address some of these limitations, they lack crucial features such as complexity and heterogeneity. In this review, we will discuss the advantages, limitations and future applications of in vivo and in vitro models that are used today to model NDDs. Additionally, we will describe the recent development of 3-dimensional brain (3D) organoids which offer a promising approach as human-specific in vitro models to decipher these complex disorders.
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Affiliation(s)
- Eleni Damianidou
- University Mental Health, Neurosciences and Precision Medicine Research Institute “Costas Stefanis”, Athens, Greece
| | - Lidia Mouratidou
- University Mental Health, Neurosciences and Precision Medicine Research Institute “Costas Stefanis”, Athens, Greece
- First Department of Psychiatry, Medical School, Eginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Christina Kyrousi
- University Mental Health, Neurosciences and Precision Medicine Research Institute “Costas Stefanis”, Athens, Greece
- First Department of Psychiatry, Medical School, Eginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
- *Correspondence: Christina Kyrousi,
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41
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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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42
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Munger C, Kohler TN, Slatery E, Ellermann AL, Bergmann S, Penfold C, Ampartzidis I, Chen Y, Hollfelder F, Boroviak TE. Microgel culture and spatial identity mapping elucidate the signalling requirements for primate epiblast and amnion formation. Development 2022; 149:276630. [PMID: 36125063 PMCID: PMC7614365 DOI: 10.1242/dev.200263] [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: 10/12/2021] [Accepted: 06/01/2022] [Indexed: 11/20/2022]
Abstract
The early specification and rapid growth of extraembryonic membranes are distinctive hallmarks of primate embryogenesis. These complex tasks are resolved through an intricate combination of signals controlling the induction of extraembryonic lineages and, at the same time, safeguarding the pluripotent epiblast. Here, we delineate the signals orchestrating primate epiblast and amnion identity. We encapsulated marmoset pluripotent stem cells into agarose microgels and identified culture conditions for the development of epiblast- and amnion-spheroids. Spatial identity mapping authenticated spheroids generated in vitro by comparison with marmoset embryos in vivo. We leveraged the microgel system to functionally interrogate the signalling environment of the post-implantation primate embryo. Single-cell profiling of the resulting spheroids demonstrated that activin/nodal signalling is required for embryonic lineage identity. BMP4 promoted amnion formation and maturation, which was counteracted by FGF signalling. Our combination of microgel culture, single-cell profiling and spatial identity mapping provides a powerful approach to decipher the essential cues for embryonic and extraembryonic lineage formation in primate embryogenesis.
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Affiliation(s)
- Clara Munger
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Site, Cambridge CB2 3EG, United Kingdom
- Centre for Trophoblast Research, University of Cambridge, Downing Site, Cambridge CB2 3EG, United Kingdom
- Wellcome Trust – Medical Research Council Stem Cell Institute, University of Cambridge, Jeffrey Cheah Biomedical Centre, Puddicombe Way, Cambridge CB2 0AW, United Kingdom
- Department of Biochemistry, University of Cambridge, Hopkins Building, Tennis Court Road, Cambridge CB2 1QW, United Kingdom
| | - Timo N. Kohler
- Wellcome Trust – Medical Research Council Stem Cell Institute, University of Cambridge, Jeffrey Cheah Biomedical Centre, Puddicombe Way, Cambridge CB2 0AW, United Kingdom
- Department of Biochemistry, University of Cambridge, Hopkins Building, Tennis Court Road, Cambridge CB2 1QW, United Kingdom
| | - Erin Slatery
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Site, Cambridge CB2 3EG, United Kingdom
- Centre for Trophoblast Research, University of Cambridge, Downing Site, Cambridge CB2 3EG, United Kingdom
- Wellcome Trust – Medical Research Council Stem Cell Institute, University of Cambridge, Jeffrey Cheah Biomedical Centre, Puddicombe Way, Cambridge CB2 0AW, United Kingdom
| | - Anna L. Ellermann
- Department of Biochemistry, University of Cambridge, Hopkins Building, Tennis Court Road, Cambridge CB2 1QW, United Kingdom
| | - Sophie Bergmann
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Site, Cambridge CB2 3EG, United Kingdom
- Centre for Trophoblast Research, University of Cambridge, Downing Site, Cambridge CB2 3EG, United Kingdom
- Wellcome Trust – Medical Research Council Stem Cell Institute, University of Cambridge, Jeffrey Cheah Biomedical Centre, Puddicombe Way, Cambridge CB2 0AW, United Kingdom
| | - Christopher Penfold
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Site, Cambridge CB2 3EG, United Kingdom
- Centre for Trophoblast Research, University of Cambridge, Downing Site, Cambridge CB2 3EG, United Kingdom
- Wellcome Trust – Medical Research Council Stem Cell Institute, University of Cambridge, Jeffrey Cheah Biomedical Centre, Puddicombe Way, Cambridge CB2 0AW, United Kingdom
- Wellcome Trust – Cancer Research UK Gurdon Institute, Henry Wellcome Building of Cancer and Developmental Biology, University of Cambridge, Tennis Court Road, Cambridge, CB2 1QN, UK
| | - Ioakeim Ampartzidis
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Site, Cambridge CB2 3EG, United Kingdom
- Centre for Trophoblast Research, University of Cambridge, Downing Site, Cambridge CB2 3EG, United Kingdom
- Wellcome Trust – Medical Research Council Stem Cell Institute, University of Cambridge, Jeffrey Cheah Biomedical Centre, Puddicombe Way, Cambridge CB2 0AW, United Kingdom
| | - Yutong Chen
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Site, Cambridge CB2 3EG, United Kingdom
- Centre for Trophoblast Research, University of Cambridge, Downing Site, Cambridge CB2 3EG, United Kingdom
- Wellcome Trust – Medical Research Council Stem Cell Institute, University of Cambridge, Jeffrey Cheah Biomedical Centre, Puddicombe Way, Cambridge CB2 0AW, United Kingdom
| | - Florian Hollfelder
- Department of Biochemistry, University of Cambridge, Hopkins Building, Tennis Court Road, Cambridge CB2 1QW, United Kingdom
- Correspondence: T.E.B. (), F.H. ()
| | - Thorsten E. Boroviak
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Site, Cambridge CB2 3EG, United Kingdom
- Centre for Trophoblast Research, University of Cambridge, Downing Site, Cambridge CB2 3EG, United Kingdom
- Wellcome Trust – Medical Research Council Stem Cell Institute, University of Cambridge, Jeffrey Cheah Biomedical Centre, Puddicombe Way, Cambridge CB2 0AW, United Kingdom
- Correspondence: T.E.B. (), F.H. ()
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43
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Peng G, Tam PPL. Profiling spatial gene activity in marmoset embryos. Cell Res 2022; 32:873-874. [PMID: 35859188 PMCID: PMC9525588 DOI: 10.1038/s41422-022-00703-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Guangdun Peng
- Center for Cell Lineage and Development, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, GIBH-HKU Guangdong-Hong Kong Stem Cell and Regenerative Medicine Research Centre, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Guangzhou, Guangdong, China
| | - Patrick P L Tam
- Embryology Research Unit, Children's Medical Research Institute, and School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, 2145, Australia.
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44
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Bouchereau W, Jouneau L, Archilla C, Aksoy I, Moulin A, Daniel N, Peynot N, Calderari S, Joly T, Godet M, Jaszczyszyn Y, Pratlong M, Severac D, Savatier P, Duranthon V, Afanassieff M, Beaujean N. Major transcriptomic, epigenetic and metabolic changes underlie the pluripotency continuum in rabbit preimplantation embryos. Development 2022; 149:276385. [DOI: 10.1242/dev.200538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 08/11/2022] [Indexed: 11/20/2022]
Abstract
ABSTRACT
Despite the growing interest in the rabbit model for developmental and stem cell biology, the characterization of embryos at the molecular level is still poorly documented. We conducted a transcriptome analysis of rabbit preimplantation embryos from E2.7 (morula stage) to E6.6 (early primitive streak stage) using bulk and single-cell RNA-sequencing. In parallel, we studied oxidative phosphorylation and glycolysis, and analysed active and repressive epigenetic modifications during blastocyst formation and expansion. We generated a transcriptomic, epigenetic and metabolic map of the pluripotency continuum in rabbit preimplantation embryos, and identified novel markers of naive pluripotency that might be instrumental for deriving naive pluripotent stem cell lines. Although the rabbit is evolutionarily closer to mice than to primates, we found that the transcriptome of rabbit epiblast cells shares common features with those of humans and non-human primates.
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Affiliation(s)
- Wilhelm Bouchereau
- Université Lyon 1, INSERM, Stem Cell and Brain Research Institute U1208, INRAE USC 1361 1 , F-69500 Bron , France
| | - Luc Jouneau
- Université Paris-Saclay, UVSQ, INRAE, BREED 2 , 78350 Jouy-en-Josas , France
- Ecole Nationale Vétérinaire d'Alfort, BREED 3 , 94700 Maisons-Alfort , France
| | - Catherine Archilla
- Université Paris-Saclay, UVSQ, INRAE, BREED 2 , 78350 Jouy-en-Josas , France
- Ecole Nationale Vétérinaire d'Alfort, BREED 3 , 94700 Maisons-Alfort , France
| | - Irène Aksoy
- Université Lyon 1, INSERM, Stem Cell and Brain Research Institute U1208, INRAE USC 1361 1 , F-69500 Bron , France
| | - Anais Moulin
- Université Lyon 1, INSERM, Stem Cell and Brain Research Institute U1208, INRAE USC 1361 1 , F-69500 Bron , France
| | - Nathalie Daniel
- Université Paris-Saclay, UVSQ, INRAE, BREED 2 , 78350 Jouy-en-Josas , France
- Ecole Nationale Vétérinaire d'Alfort, BREED 3 , 94700 Maisons-Alfort , France
| | - Nathalie Peynot
- Université Paris-Saclay, UVSQ, INRAE, BREED 2 , 78350 Jouy-en-Josas , France
- Ecole Nationale Vétérinaire d'Alfort, BREED 3 , 94700 Maisons-Alfort , France
| | - Sophie Calderari
- Université Paris-Saclay, UVSQ, INRAE, BREED 2 , 78350 Jouy-en-Josas , France
- Ecole Nationale Vétérinaire d'Alfort, BREED 3 , 94700 Maisons-Alfort , France
| | - Thierry Joly
- ISARA-Lyon 4 , F-69007 Lyon , France
- VetAgroSup, UPSP ICE 5 , F-69280 Marcy l'Etoile , France
| | - Murielle Godet
- Université Lyon 1, INSERM, Stem Cell and Brain Research Institute U1208, INRAE USC 1361 1 , F-69500 Bron , France
| | - Yan Jaszczyszyn
- Université Paris-Saclay, CEA, CNRS, Institute for Integrative Biology of the Cell (I2BC) 6 , 91198 Gif-sur-Yvette , France
| | - Marine Pratlong
- MGX, Université Montpellier, CNRS, INSERM 7 , 34094 Montpellier , France
| | - Dany Severac
- MGX, Université Montpellier, CNRS, INSERM 7 , 34094 Montpellier , France
| | - Pierre Savatier
- Université Lyon 1, INSERM, Stem Cell and Brain Research Institute U1208, INRAE USC 1361 1 , F-69500 Bron , France
| | - Véronique Duranthon
- Université Paris-Saclay, UVSQ, INRAE, BREED 2 , 78350 Jouy-en-Josas , France
- Ecole Nationale Vétérinaire d'Alfort, BREED 3 , 94700 Maisons-Alfort , France
| | - Marielle Afanassieff
- Université Lyon 1, INSERM, Stem Cell and Brain Research Institute U1208, INRAE USC 1361 1 , F-69500 Bron , France
| | - Nathalie Beaujean
- Université Lyon 1, INSERM, Stem Cell and Brain Research Institute U1208, INRAE USC 1361 1 , F-69500 Bron , France
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Bergmann S, Penfold CA, Slatery E, Siriwardena D, Drummer C, Clark S, Strawbridge SE, Kishimoto K, Vickers A, Tewary M, Kohler TN, Hollfelder F, Reik W, Sasaki E, Behr R, Boroviak TE. Spatial profiling of early primate gastrulation in utero. Nature 2022; 609:136-143. [PMID: 35709828 PMCID: PMC7614364 DOI: 10.1038/s41586-022-04953-1] [Citation(s) in RCA: 41] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 06/08/2022] [Indexed: 11/09/2022]
Abstract
Gastrulation controls the emergence of cellular diversity and axis patterning in the early embryo. In mammals, this transformation is orchestrated by dynamic signalling centres at the interface of embryonic and extraembryonic tissues1-3. Elucidating the molecular framework of axis formation in vivo is fundamental for our understanding of human development4-6 and to advance stem-cell-based regenerative approaches7. Here we illuminate early gastrulation of marmoset embryos in utero using spatial transcriptomics and stem-cell-based embryo models. Gaussian process regression-based 3D transcriptomes delineate the emergence of the anterior visceral endoderm, which is hallmarked by conserved (HHEX, LEFTY2, LHX1) and primate-specific (POSTN, SDC4, FZD5) factors. WNT signalling spatially coordinates the formation of the primitive streak in the embryonic disc and is counteracted by SFRP1 and SFRP2 to sustain pluripotency in the anterior domain. Amnion specification occurs at the boundaries of the embryonic disc through ID1, ID2 and ID3 in response to BMP signalling, providing a developmental rationale for amnion differentiation of primate pluripotent stem cells (PSCs). Spatial identity mapping demonstrates that primed marmoset PSCs exhibit the highest similarity to the anterior embryonic disc, whereas naive PSCs resemble the preimplantation epiblast. Our 3D transcriptome models reveal the molecular code of lineage specification in the primate embryo and provide an in vivo reference to decipher human development.
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Affiliation(s)
- Sophie Bergmann
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
- Centre for Trophoblast Research, University of Cambridge, Cambridge, UK
- Jeffrey Cheah Biomedical Centre, Wellcome Trust-Medical Research Council Stem Cell Institute, University of Cambridge, Cambridge, UK
| | - Christopher A Penfold
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
- Centre for Trophoblast Research, University of Cambridge, Cambridge, UK
- Jeffrey Cheah Biomedical Centre, Wellcome Trust-Medical Research Council Stem Cell Institute, University of Cambridge, Cambridge, UK
- Wellcome Trust-Cancer Research UK Gurdon Institute, University of Cambridge, Cambridge, UK
| | - Erin Slatery
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
- Centre for Trophoblast Research, University of Cambridge, Cambridge, UK
- Jeffrey Cheah Biomedical Centre, Wellcome Trust-Medical Research Council Stem Cell Institute, University of Cambridge, Cambridge, UK
| | - Dylan Siriwardena
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
- Centre for Trophoblast Research, University of Cambridge, Cambridge, UK
- Jeffrey Cheah Biomedical Centre, Wellcome Trust-Medical Research Council Stem Cell Institute, University of Cambridge, Cambridge, UK
| | - Charis Drummer
- Research Platform Degenerative Diseases, German Primate Center, Leibniz Institute for Primate Research, Göttingen, Germany
- DZHK (German Center for Cardiovascular Research), partner site Göttingen, Göttingen, Germany
| | - Stephen Clark
- Centre for Trophoblast Research, University of Cambridge, Cambridge, UK
- Epigenetics Programme, Babraham Institute, Cambridge, UK
| | - Stanley E Strawbridge
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
- Jeffrey Cheah Biomedical Centre, Wellcome Trust-Medical Research Council Stem Cell Institute, University of Cambridge, Cambridge, UK
| | - Keiko Kishimoto
- Department of Marmoset Biology and Medicine, Central Institute for Experimental Animals, Kawasaki, Japan
| | - Alice Vickers
- Centre for Stem Cells and Regenerative Medicine, King's College London, Guy's Hospital, London, UK
| | - Mukul Tewary
- Centre for Stem Cells and Regenerative Medicine, King's College London, Guy's Hospital, London, UK
| | - Timo N Kohler
- Department of Biochemistry, University of Cambridge, Cambridge, UK
| | | | - Wolf Reik
- Centre for Trophoblast Research, University of Cambridge, Cambridge, UK
- Epigenetics Programme, Babraham Institute, Cambridge, UK
| | - Erika Sasaki
- Department of Marmoset Biology and Medicine, Central Institute for Experimental Animals, Kawasaki, Japan
| | - Rüdiger Behr
- Research Platform Degenerative Diseases, German Primate Center, Leibniz Institute for Primate Research, Göttingen, Germany
- DZHK (German Center for Cardiovascular Research), partner site Göttingen, Göttingen, Germany
| | - Thorsten E Boroviak
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK.
- Centre for Trophoblast Research, University of Cambridge, Cambridge, UK.
- Jeffrey Cheah Biomedical Centre, Wellcome Trust-Medical Research Council Stem Cell Institute, University of Cambridge, Cambridge, UK.
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46
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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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47
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Cui G, Feng S, Yan Y, Wang L, He X, Li X, Duan Y, Chen J, Tang K, Zheng P, Tam PPL, Si W, Jing N, Peng G. Spatial molecular anatomy of germ layers in the gastrulating cynomolgus monkey embryo. Cell Rep 2022; 40:111285. [PMID: 36044859 DOI: 10.1016/j.celrep.2022.111285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 05/31/2022] [Accepted: 08/05/2022] [Indexed: 12/18/2022] Open
Abstract
During mammalian embryogenesis, spatial regulation of gene expression and cell signaling are functionally coupled with lineage specification, patterning of tissue progenitors, and germ layer morphogenesis. While the mouse model has been instrumental for understanding mammalian development, comparatively little is known about human and non-human primate gastrulation due to the restriction of both technical and ethical issues. Here, we present a spatial and temporal survey of the molecular dynamics of cell types populating the non-human primate embryos during gastrulation. We reconstructed three-dimensional digital models from serial sections of cynomolgus monkey (Macaca fascicularis) gastrulating embryos at 1-day temporal resolution from E17 to E21. Spatial transcriptomics identifies gene expression profiles unique to the germ layers. Cross-species comparison reveals a developmental coordinate of germ layer segregation between mouse and primates, and species-specific transcription programs during gastrulation. These findings offer insights into evolutionarily conserved and divergent processes during mammalian gastrulation.
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Affiliation(s)
- Guizhong Cui
- Bioland Laboratory/Guangzhou Laboratory, Guangzhou 510005, China
| | - Su Feng
- Bioland Laboratory/Guangzhou Laboratory, Guangzhou 510005, China
| | - Yaping Yan
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, China
| | - Li Wang
- Center for Cell Lineage and Development, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, GIBH-HKU Guangdong-Hong Kong Stem Cell and Regenerative Medicine Research Centre, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Guangzhou 510530, China
| | - Xiechao He
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China
| | - Xi Li
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, China
| | - Yanchao Duan
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, China
| | - Jun Chen
- Department of Endocrinology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Ke Tang
- Precise Genome Engineering Center, School of Life Sciences, Guangzhou University, Guangzhou 510006, China
| | - Ping Zheng
- State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China
| | - Patrick P L Tam
- Embryology Research Unit, Children's Medical Research Institute, and School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia
| | - Wei Si
- State Key Laboratory of Primate Biomedical Research, Institute of Primate Translational Medicine, Kunming University of Science and Technology, Kunming, China.
| | - Naihe Jing
- Bioland Laboratory/Guangzhou Laboratory, Guangzhou 510005, China; Center for Cell Lineage and Development, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, GIBH-HKU Guangdong-Hong Kong Stem Cell and Regenerative Medicine Research Centre, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Guangzhou 510530, China.
| | - Guangdun Peng
- Bioland Laboratory/Guangzhou Laboratory, Guangzhou 510005, China; Center for Cell Lineage and Development, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, GIBH-HKU Guangdong-Hong Kong Stem Cell and Regenerative Medicine Research Centre, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Guangzhou 510530, China.
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48
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Roodgar M, Suchy FP, Nguyen LH, Bajpai VK, Sinha R, Vilches-Moure JG, Van Bortle K, Bhadury J, Metwally A, Jiang L, Jian R, Chiang R, Oikonomopoulos A, Wu JC, Weissman IL, Mankowski JL, Holmes S, Loh KM, Nakauchi H, VandeVoort CA, Snyder MP. Chimpanzee and pig-tailed macaque iPSCs: Improved culture and generation of primate cross-species embryos. Cell Rep 2022; 40:111264. [PMID: 36044843 PMCID: PMC10075238 DOI: 10.1016/j.celrep.2022.111264] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 01/06/2022] [Accepted: 08/04/2022] [Indexed: 12/26/2022] Open
Abstract
As our closest living relatives, non-human primates uniquely enable explorations of human health, disease, development, and evolution. Considerable effort has thus been devoted to generating induced pluripotent stem cells (iPSCs) from multiple non-human primate species. Here, we establish improved culture methods for chimpanzee (Pan troglodytes) and pig-tailed macaque (Macaca nemestrina) iPSCs. Such iPSCs spontaneously differentiate in conventional culture conditions, but can be readily propagated by inhibiting endogenous WNT signaling. As a unique functional test of these iPSCs, we injected them into the pre-implantation embryos of another non-human species, rhesus macaques (Macaca mulatta). Ectopic expression of gene BCL2 enhances the survival and proliferation of chimpanzee and pig-tailed macaque iPSCs within the pre-implantation embryo, although the identity and long-term contribution of the transplanted cells warrants further investigation. In summary, we disclose transcriptomic and proteomic data, cell lines, and cell culture resources that may be broadly enabling for non-human primate iPSCs research.
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Affiliation(s)
- Morteza Roodgar
- Department of Genetics, Stanford University, Stanford, CA 94305, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA.
| | - Fabian P Suchy
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Lan H Nguyen
- Institute for Computational and Mathematical Engineering, Stanford University, Stanford, CA 94305, USA
| | - Vivek K Bajpai
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA; Department of Chemical and Systems Biology, Stanford University, Stanford, CA 94305, USA
| | - Rahul Sinha
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Jose G Vilches-Moure
- Department of Comparative Medicine, Stanford University, Stanford, CA 94305, USA
| | - Kevin Van Bortle
- Department of Genetics, Stanford University, Stanford, CA 94305, USA
| | - Joydeep Bhadury
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA; Institute of Biomedicine, Sahlgrenska University Hospital, University of Gothenburg, SE 413 45 Gothenburg, Sweden
| | - Ahmed Metwally
- Department of Genetics, Stanford University, Stanford, CA 94305, USA
| | - Lihua Jiang
- Department of Genetics, Stanford University, Stanford, CA 94305, USA
| | - Ruiqi Jian
- Department of Genetics, Stanford University, Stanford, CA 94305, USA
| | - Rosaria Chiang
- Department of Genetics, Stanford University, Stanford, CA 94305, USA
| | - Angelos Oikonomopoulos
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Joseph C Wu
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Irving L Weissman
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Joseph L Mankowski
- Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Susan Holmes
- Department of Statistics, Stanford University, Stanford, CA 94305, USA
| | - Kyle M Loh
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA; Department of Developmental Biology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Hiromitsu Nakauchi
- Department of Genetics, Stanford University, Stanford, CA 94305, USA; Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA.
| | - Catherine A VandeVoort
- California National Primate Research Center and Department of Obstetrics and Gynecology, University of California, Davis, Davis, CA, USA.
| | - Michael P Snyder
- Department of Genetics, Stanford University, Stanford, CA 94305, USA.
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49
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Ducos B, Bensimon D, Scerbo P. Vertebrate Cell Differentiation, Evolution, and Diseases: The Vertebrate-Specific Developmental Potential Guardians VENTX/ NANOG and POU5/ OCT4 Enter the Stage. Cells 2022; 11:cells11152299. [PMID: 35892595 PMCID: PMC9331430 DOI: 10.3390/cells11152299] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 07/09/2022] [Accepted: 07/13/2022] [Indexed: 01/02/2023] Open
Abstract
During vertebrate development, embryonic cells pass through a continuum of transitory pluripotent states that precede multi-lineage commitment and morphogenesis. Such states are referred to as “refractory/naïve” and “competent/formative” pluripotency. The molecular mechanisms maintaining refractory pluripotency or driving the transition to competent pluripotency, as well as the cues regulating multi-lineage commitment, are evolutionarily conserved. Vertebrate-specific “Developmental Potential Guardians” (vsDPGs; i.e., VENTX/NANOG, POU5/OCT4), together with MEK1 (MAP2K1), coordinate the pluripotency continuum, competence for multi-lineage commitment and morphogenesis in vivo. During neurulation, vsDPGs empower ectodermal cells of the neuro-epithelial border (NEB) with multipotency and ectomesenchyme potential through an “endogenous reprogramming” process, giving rise to the neural crest cells (NCCs). Furthermore, vsDPGs are expressed in undifferentiated-bipotent neuro-mesodermal progenitor cells (NMPs), which participate in posterior axis elongation and growth. Finally, vsDPGs are involved in carcinogenesis, whereby they confer selective advantage to cancer stem cells (CSCs) and therapeutic resistance. Intriguingly, the heterogenous distribution of vsDPGs in these cell types impact on cellular potential and features. Here, we summarize the findings about the role of vsDPGs during vertebrate development and their selective advantage in evolution. Our aim to present a holistic view regarding vsDPGs as facilitators of both cell plasticity/adaptability and morphological innovation/variation. Moreover, vsDPGs may also be at the heart of carcinogenesis by allowing malignant cells to escape from physiological constraints and surveillance mechanisms.
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Affiliation(s)
- Bertrand Ducos
- LPENS, PSL, CNRS, 24 rue Lhomond, 75005 Paris, France
- IBENS, PSL, CNRS, 46 rue d’Ulm, 75005 Paris, France
- High Throughput qPCR Core Facility, ENS, PSL, 46 rue d’Ulm, 75005 Paris, France
- Correspondence: (B.D.); (D.B.); (P.S.)
| | - David Bensimon
- LPENS, PSL, CNRS, 24 rue Lhomond, 75005 Paris, France
- IBENS, PSL, CNRS, 46 rue d’Ulm, 75005 Paris, France
- Department of Chemistry and Biochemistry, UCLA, Los Angeles, CA 90094, USA
- Correspondence: (B.D.); (D.B.); (P.S.)
| | - Pierluigi Scerbo
- LPENS, PSL, CNRS, 24 rue Lhomond, 75005 Paris, France
- IBENS, PSL, CNRS, 46 rue d’Ulm, 75005 Paris, France
- Correspondence: (B.D.); (D.B.); (P.S.)
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50
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Malkowska A, Penfold C, Bergmann S, Boroviak TE. A hexa-species transcriptome atlas of mammalian embryogenesis delineates metabolic regulation across three different implantation modes. Nat Commun 2022; 13:3407. [PMID: 35710749 PMCID: PMC9203550 DOI: 10.1038/s41467-022-30194-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 04/21/2022] [Indexed: 12/16/2022] Open
Abstract
Mammalian embryogenesis relies on glycolysis and oxidative phosphorylation to balance the generation of biomass with energy production. However, the dynamics of metabolic regulation in the postimplantation embryo in vivo have remained elusive due to the inaccessibility of the implanted conceptus for biochemical studies. To address this issue, we compiled single-cell embryo profiling data in six mammalian species and determined their metabolic dynamics through glycolysis and oxidative phosphorylation associated gene expression. Strikingly, we identify a conserved switch from bivalent respiration in the late blastocyst towards a glycolytic metabolism in early gastrulation stages across species, which is independent of embryo implantation. Extraembryonic lineages followed the dynamics of the embryonic lineage, except visceral endoderm. Finally, we demonstrate that in vitro primate embryo culture substantially impacts metabolic gene regulation by comparison to in vivo samples. Our work reveals a conserved metabolic programme despite different implantation modes and highlights the need to optimise postimplantation embryo culture protocols.
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Affiliation(s)
- Anna Malkowska
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Site, Cambridge, CB2 3EG, UK
- Wellcome Trust/Cancer Research UK Gurdon Institute, Henry Wellcome Building of Cancer and Developmental Biology, Cambridge, UK
| | - Christopher Penfold
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Site, Cambridge, CB2 3EG, UK
- Centre for Trophoblast Research, University of Cambridge, Downing Site, Cambridge, CB2 3EG, UK
- Wellcome Trust - Medical Research Council Stem Cell Institute, University of Cambridge, Jeffrey Cheah Biomedical Centre, Puddicombe Way, Cambridge, CB2 0AW, UK
| | - Sophie Bergmann
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Site, Cambridge, CB2 3EG, UK
- Centre for Trophoblast Research, University of Cambridge, Downing Site, Cambridge, CB2 3EG, UK
- Wellcome Trust - Medical Research Council Stem Cell Institute, University of Cambridge, Jeffrey Cheah Biomedical Centre, Puddicombe Way, Cambridge, CB2 0AW, UK
| | - Thorsten E Boroviak
- Department of Physiology, Development and Neuroscience, University of Cambridge, Downing Site, Cambridge, CB2 3EG, UK.
- Centre for Trophoblast Research, University of Cambridge, Downing Site, Cambridge, CB2 3EG, UK.
- Wellcome Trust - Medical Research Council Stem Cell Institute, University of Cambridge, Jeffrey Cheah Biomedical Centre, Puddicombe Way, Cambridge, CB2 0AW, UK.
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