1
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Deng M, Guo J, Ling Z, Zhang C, He L, Fan Z, Cheng B, Xia J. KRAS mutations upregulate Runx1 to promote occurrence of head and neck squamous cell carcinoma. Mol Carcinog 2023; 62:1284-1294. [PMID: 37222390 DOI: 10.1002/mc.23563] [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: 02/01/2023] [Revised: 04/23/2023] [Accepted: 05/04/2023] [Indexed: 05/25/2023]
Abstract
Gene mutations play an important role in head and neck squamous cell carcinoma (HNSCC) by not only promoting the occurrence and progression of HNSCC but also affecting sensitivity to treatment and prognosis. KRAS is one of the most frequently mutated oncogenes, which has been reported to have a mutation rate from 1.7% to 12.7% and may lead to poor prognosis in HNSCC, but its role remains unclear. Here, we found that the KRAS mutation can promote HNSCC generation through synergism with 4-Nitroquinoline-1-Oxide(4NQO). Mechanistically, KRAS mutations can significantly upregulate Runx1 to promote oral epithelial cell proliferation and migration and inhibit apoptosis. Runx1 inhibitor Ro 5-3335 can effectively inhibit KRAS-mutated HNSCC progression both in vitro and in vivo. These findings suggest that the KRAS mutation plays an important role in HNSCC and that Runx1 may be a novel therapeutic target for KRAS-mutated HNSCC.
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Affiliation(s)
- Miao Deng
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, P. R. China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, P. R. China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, P. R. China
| | - Jiaxin Guo
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, P. R. China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, P. R. China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, P. R. China
| | - Zihang Ling
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, P. R. China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, P. R. China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, P. R. China
| | - Chi Zhang
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, P. R. China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, P. R. China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, P. R. China
| | - Lihong He
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, P. R. China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, P. R. China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, P. R. China
| | - Zhaona Fan
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, P. R. China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, P. R. China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, P. R. China
| | - Bin Cheng
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, P. R. China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, P. R. China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, P. R. China
| | - Juan Xia
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, P. R. China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, P. R. China
- Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, P. R. China
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2
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De Novo Generation of Human Hematopoietic Stem Cells from Pluripotent Stem Cells for Cellular Therapy. Cells 2023; 12:cells12020321. [PMID: 36672255 PMCID: PMC9857267 DOI: 10.3390/cells12020321] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/02/2023] [Accepted: 01/11/2023] [Indexed: 01/19/2023] Open
Abstract
The ability to manufacture human hematopoietic stem cells (HSCs) in the laboratory holds enormous promise for cellular therapy of human blood diseases. Several differentiation protocols have been developed to facilitate the emergence of HSCs from human pluripotent stem cells (PSCs). Most approaches employ a stepwise addition of cytokines and morphogens to recapitulate the natural developmental process. However, these protocols globally lack clinical relevance and uniformly induce PSCs to produce hematopoietic progenitors with embryonic features and limited engraftment and differentiation capabilities. This review examines how key intrinsic cues and extrinsic environmental inputs have been integrated within human PSC differentiation protocols to enhance the emergence of definitive hematopoiesis and how advances in genomics set the stage for imminent breakthroughs in this field.
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3
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Zhang X, Yang Y, Wei Y, Zhao Q, Lou X. blf and the drl cluster synergistically regulate cell fate commitment during zebrafish primitive hematopoiesis. Development 2022; 149:285945. [PMID: 36420817 DOI: 10.1242/dev.200919] [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: 05/06/2022] [Accepted: 11/14/2022] [Indexed: 11/25/2022]
Abstract
Hematopoiesis is a highly coordinated process that generates all the body's blood cells, and perturbations in embryonic hematopoiesis may result in illnesses ranging from fetal anemia to various leukemias. Correct establishment of hematopoietic progenitor cell fate is essential for the development of adequate blood cell subpopulations, although regulators of cell fate commitment have not been fully defined. Here, we show that primary erythropoiesis and myelopoiesis in zebrafish embryos are synergistically regulated by blf and the drl cluster, as simultaneous depletion led to severe erythrocyte aplasia and excessive macrophage formation at the expense of neutrophil development. Integrative analysis of transcriptome- and genome-wide binding data revealed that blf and drl cluster genes are responsible for constraining the expression of vasculogenesis-promoting genes in the intermediate cell mass and monocytopoiesis-promoting genes in the rostral blood island. This indicates that blf and drl cluster genes act as determinants of the fate commitment of erythroid and myeloid progenitor cells. Furthermore, a rescue screen demonstrated that Zfp932 is a potential mammalian functional equivalent to zebrafish blf and drl cluster genes. Our data provide insight into conserved cell fate commitment mechanisms of primitive hematopoiesis.
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Affiliation(s)
- Xue Zhang
- Medical School, Nanjing University, Nanjing, 210093, China
| | - Yuxi Yang
- Medical School, Nanjing University, Nanjing, 210093, China
| | - Yuxuan Wei
- Medical School, Nanjing University, Nanjing, 210093, China
| | - Qingshun Zhao
- Medical School, Nanjing University, Nanjing, 210093, China
| | - Xin Lou
- Research Institute of Intelligent Computing, Zhejiang Lab, Hangzhou, 311100, China
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4
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Differential Etv2 threshold requirement for endothelial and erythropoietic development. Cell Rep 2022; 39:110881. [PMID: 35649376 PMCID: PMC9203129 DOI: 10.1016/j.celrep.2022.110881] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 02/23/2022] [Accepted: 05/06/2022] [Indexed: 11/21/2022] Open
Abstract
Endothelial and erythropoietic lineages arise from a common developmental progenitor. Etv2 is a master transcriptional regulator required for the development of both lineages. However, the mechanisms through which Etv2 initiates the gene-regulatory networks (GRNs) for endothelial and erythropoietic specification and how the two GRNs diverge downstream of Etv2 remain incompletely understood. Here, by analyzing a hypomorphic Etv2 mutant, we demonstrate different threshold requirements for initiation of the downstream GRNs for endothelial and erythropoietic development. We show that Etv2 functions directly in a coherent feedforward transcriptional network for vascular endothelial development, and a low level of Etv2 expression is sufficient to induce and sustain the endothelial GRN. In contrast, Etv2 induces the erythropoietic GRN indirectly via activation of Tal1, which requires a significantly higher threshold of Etv2 to initiate and sustain erythropoietic development. These results provide important mechanistic insight into the divergence of the endothelial and erythropoietic lineages.
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5
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Guo R, Li W, Li Y, Li Y, Jiang Z, Song Y. Generation and clinical potential of functional T lymphocytes from gene-edited pluripotent stem cells. Exp Hematol Oncol 2022; 11:27. [PMID: 35568954 PMCID: PMC9107657 DOI: 10.1186/s40164-022-00285-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 04/26/2022] [Indexed: 12/16/2022] Open
Abstract
Engineered T cells have been shown to be highly effective in cancer immunotherapy, although T cell exhaustion presents a challenge for their long-term function. Additional T-cell sources must be exploited to broaden the application of engineered T cells for immune defense and reconstitution. Unlimited sources of pluripotent stem cells (PSCs) have provided a potential opportunity to generate precise-engineered therapeutic induced T (iT) cells. Single-cell transcriptome analysis of PSC-derived induced hematopoietic stem and progenitor cells (iHSPC)/iT identified the developmental pathways and possibilities of generating functional T cell from PSCs. To date, the PSC-to-iT platforms encounter several problems, including low efficiency of conventional T subset specification, limited functional potential, and restrictions on large-scale application, because of the absence of a thymus-like organized microenvironment. The updated PSC-to-iT platforms, such as the three-dimensional (3D) artificial thymic organoid (ATO) co-culture system and Runx1/Hoxa9-enforced iT lymphopoiesis, provide fresh perspectives for coordinating culture conditions and transcription factors, which may greatly improve the efficiency of T-cell generation greatly. In addition, the improved PSC-to-iT platform coordinating gene editing technologies will provide various functional engineered unconventional or conventional T cells. Furthermore, the clinical applications of PSC-derived immune cells are accelerating from bench to bedside.
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Affiliation(s)
- Rongqun Guo
- Department of Hematology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Wei Li
- Department of Hematology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Yadan Li
- Department of Hematology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.,Academy of Medical Science, Henan Medical College of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Yingmei Li
- Department of Hematology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China
| | - Zhongxing Jiang
- Department of Hematology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
| | - Yongping Song
- Department of Hematology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, Henan, China.
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6
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Cuadros MA, Sepulveda MR, Martin-Oliva D, Marín-Teva JL, Neubrand VE. Microglia and Microglia-Like Cells: Similar but Different. Front Cell Neurosci 2022; 16:816439. [PMID: 35197828 PMCID: PMC8859783 DOI: 10.3389/fncel.2022.816439] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 01/17/2022] [Indexed: 12/12/2022] Open
Abstract
Microglia are the tissue-resident macrophages of the central nervous parenchyma. In mammals, microglia are thought to originate from yolk sac precursors and posteriorly maintained through the entire life of the organism. However, the contribution of microglial cells from other sources should also be considered. In addition to “true” or “bona-fide” microglia, which are of embryonic origin, the so-called “microglia-like cells” are hematopoietic cells of bone marrow origin that can engraft the mature brain mainly under pathological conditions. These cells implement great parts of the microglial immune phenotype, but they do not completely adopt the “true microglia” features. Because of their pronounced similarity, true microglia and microglia-like cells are usually considered together as one population. In this review, we discuss the origin and development of these two distinct cell types and their differences. We will also review the factors determining the appearance and presence of microglia-like cells, which can vary among species. This knowledge might contribute to the development of therapeutic strategies aiming at microglial cells for the treatment of diseases in which they are involved, for example neurodegenerative disorders like Alzheimer’s and Parkinson’s diseases.
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Affiliation(s)
- Miguel A Cuadros
- Department of Cell Biology, Faculty of Science, University of Granada, Granada, Spain
| | - M Rosario Sepulveda
- Department of Cell Biology, Faculty of Science, University of Granada, Granada, Spain
| | - David Martin-Oliva
- Department of Cell Biology, Faculty of Science, University of Granada, Granada, Spain
| | - José L Marín-Teva
- Department of Cell Biology, Faculty of Science, University of Granada, Granada, Spain
| | - Veronika E Neubrand
- Department of Cell Biology, Faculty of Science, University of Granada, Granada, Spain
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7
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Colgan DF, Goodfellow RX, Colgan JD. The transcriptional regulator GON4L is required for viability and hematopoiesis in mice. Exp Hematol 2021; 98:25-35. [PMID: 33864850 DOI: 10.1016/j.exphem.2021.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 04/01/2021] [Accepted: 04/07/2021] [Indexed: 10/21/2022]
Abstract
The Gon4l gene encodes a putative transcriptional regulator implicated in the control of both cell differentiation and proliferation. Previously, we described a mutant mouse strain called Justy in which splicing of pre-mRNA generated from Gon4l is disrupted. This defect severely reduces, but does not abolish, GON4L protein expression and blocks the formation of early B-lineage progenitors, suggesting Gon4l is required for B-cell development in vertebrates. Yet, mutations that disable Gon4l in zebrafish impair several facets of embryogenesis that include the initiation of primitive hematopoiesis, arguing this gene is needed for multiple vertebrate developmental pathways. To better understand the importance of Gon4l in mammals, we created mice carrying an engineered version of Gon4l that can be completely inactivated by Cre-mediated recombination. Breeding mice heterozygous for the inactivated Gon4l allele failed to yield any homozygous-null offspring, indicating Gon4l is an essential gene in mammals. Consistent with this finding, as well previously published results, cell culture studies revealed that loss of Gon4l blocks cell proliferation and compromises viability, suggesting a fundamental role in the control of cell division and survival. Studies using mixed bone marrow chimeras confirmed Gon4l is required for B-cell development but also found it is needed to maintain definitive hematopoietic stem/progenitor cells that are the source of all hematopoietic cell lineages. Our findings reveal Gon4l is an essential gene in mammals that is required to form the entire hematopoietic system.
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Affiliation(s)
- Diana F Colgan
- Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA
| | - Renee X Goodfellow
- Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA
| | - John D Colgan
- Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA; Department of Anatomy and Cell Biology, Carver College of Medicine, University of Iowa, Iowa City, IA; Interdisciplinary Graduate Program in Immunology, Carver College of Medicine, University of Iowa, Iowa City, IA.
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8
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Rothenberg EV, Göttgens B. How haematopoiesis research became a fertile ground for regulatory network biology as pioneered by Eric Davidson. Curr Opin Hematol 2021; 28:1-10. [PMID: 33229891 PMCID: PMC7755131 DOI: 10.1097/moh.0000000000000628] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
PURPOSE OF REVIEW This historical perspective reviews how work of Eric H. Davidson was a catalyst and exemplar for explaining haematopoietic cell fate determination through gene regulation. RECENT FINDINGS Researchers studying blood and immune cells pioneered many of the early mechanistic investigations of mammalian gene regulatory processes. These efforts included the characterization of complex gene regulatory sequences exemplified by the globin and T-cell/B-cell receptor gene loci, as well as the identification of many key regulatory transcription factors through the fine mapping of chromosome translocation breakpoints in leukaemia patients. As the repertoire of known regulators expanded, assembly into gene regulatory network models became increasingly important, not only to account for the truism that regulatory genes do not function in isolation but also to devise new ways of extracting biologically meaningful insights from even more complex information. Here we explore how Eric H. Davidson's pioneering studies of gene regulatory network control in nonvertebrate model organisms have had an important and lasting impact on research into blood and immune cell development. SUMMARY The intellectual framework developed by Davidson continues to contribute to haematopoietic research, and his insistence on demonstrating logic and causality still challenges the frontier of research today.
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Affiliation(s)
- Ellen V. Rothenberg
- Division of Biology & Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Berthold Göttgens
- Wellcome and MRC Cambridge Stem Cell Institute, Jeffrey Cheah Biomedical Centre, Cambridge Biomedical Campus, Cambridge CB2 0AW, UK
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9
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Heck AM, Ishida T, Hadland B. Location, Location, Location: How Vascular Specialization Influences Hematopoietic Fates During Development. Front Cell Dev Biol 2020; 8:602617. [PMID: 33282876 PMCID: PMC7691428 DOI: 10.3389/fcell.2020.602617] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 09/30/2020] [Indexed: 01/22/2023] Open
Abstract
During embryonic development, sequential waves of hematopoiesis give rise to blood-forming cells with diverse lineage potentials and self-renewal properties. This process must accomplish two important yet divergent goals: the rapid generation of differentiated blood cells to meet the needs of the developing embryo and the production of a reservoir of hematopoietic stem cells to provide for life-long hematopoiesis in the adult. Vascular beds in distinct anatomical sites of extraembryonic tissues and the embryo proper provide the necessary conditions to support these divergent objectives, suggesting a critical role for specialized vascular niche cells in regulating disparate blood cell fates during development. In this review, we will examine the current understanding of how organ- and stage-specific vascular niche specialization contributes to the development of the hematopoietic system.
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Affiliation(s)
- Adam M Heck
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
| | - Takashi Ishida
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
| | - Brandon Hadland
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, United States.,Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, United States
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10
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Zhu Q, Gao P, Tober J, Bennett L, Chen C, Uzun Y, Li Y, Howell ED, Mumau M, Yu W, He B, Speck NA, Tan K. Developmental trajectory of prehematopoietic stem cell formation from endothelium. Blood 2020; 136:845-856. [PMID: 32392346 PMCID: PMC7426642 DOI: 10.1182/blood.2020004801] [Citation(s) in RCA: 95] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 04/22/2020] [Indexed: 01/01/2023] Open
Abstract
Hematopoietic stem and progenitor cells (HSPCs) in the bone marrow are derived from a small population of hemogenic endothelial (HE) cells located in the major arteries of the mammalian embryo. HE cells undergo an endothelial to hematopoietic cell transition, giving rise to HSPCs that accumulate in intra-arterial clusters (IAC) before colonizing the fetal liver. To examine the cell and molecular transitions between endothelial (E), HE, and IAC cells, and the heterogeneity of HSPCs within IACs, we profiled ∼40 000 cells from the caudal arteries (dorsal aorta, umbilical, vitelline) of 9.5 days post coitus (dpc) to 11.5 dpc mouse embryos by single-cell RNA sequencing and single-cell assay for transposase-accessible chromatin sequencing. We identified a continuous developmental trajectory from E to HE to IAC cells, with identifiable intermediate stages. The intermediate stage most proximal to HE, which we term pre-HE, is characterized by increased accessibility of chromatin enriched for SOX, FOX, GATA, and SMAD motifs. A developmental bottleneck separates pre-HE from HE, with RUNX1 dosage regulating the efficiency of the pre-HE to HE transition. A distal candidate Runx1 enhancer exhibits high chromatin accessibility specifically in pre-HE cells at the bottleneck, but loses accessibility thereafter. Distinct developmental trajectories within IAC cells result in 2 populations of CD45+ HSPCs; an initial wave of lymphomyeloid-biased progenitors, followed by precursors of hematopoietic stem cells (pre-HSCs). This multiomics single-cell atlas significantly expands our understanding of pre-HSC ontogeny.
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Affiliation(s)
- Qin Zhu
- Genomics and Computational Biology Graduate Group, University of Pennsylvania, Philadelphia, PA
| | - Peng Gao
- Department of Biomedical and Health Informatics, The Children's Hospital of Philadelphia, Philadelphia, PA; and
| | - Joanna Tober
- Department of Cell and Developmental Biology, Abramson Family Cancer Research Institute, Perelman School of Medicine, and
| | - Laura Bennett
- Department of Cell and Developmental Biology, Abramson Family Cancer Research Institute, Perelman School of Medicine, and
| | - Changya Chen
- Department of Biomedical and Health Informatics, The Children's Hospital of Philadelphia, Philadelphia, PA; and
| | - Yasin Uzun
- Department of Biomedical and Health Informatics, The Children's Hospital of Philadelphia, Philadelphia, PA; and
| | - Yan Li
- Department of Cell and Developmental Biology, Abramson Family Cancer Research Institute, Perelman School of Medicine, and
| | - Elizabeth D Howell
- Department of Cell and Developmental Biology, Abramson Family Cancer Research Institute, Perelman School of Medicine, and
| | - Melanie Mumau
- Department of Cell and Developmental Biology, Abramson Family Cancer Research Institute, Perelman School of Medicine, and
| | - Wenbao Yu
- Department of Biomedical and Health Informatics, The Children's Hospital of Philadelphia, Philadelphia, PA; and
| | - Bing He
- Department of Biomedical and Health Informatics, The Children's Hospital of Philadelphia, Philadelphia, PA; and
| | - Nancy A Speck
- Department of Cell and Developmental Biology, Abramson Family Cancer Research Institute, Perelman School of Medicine, and
| | - Kai Tan
- Genomics and Computational Biology Graduate Group, University of Pennsylvania, Philadelphia, PA
- Department of Biomedical and Health Informatics, The Children's Hospital of Philadelphia, Philadelphia, PA; and
- Department of Pediatrics, University of Pennsylvania, Philadelphia, PA
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11
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Lie-a-ling M, Mevel R, Patel R, Blyth K, Baena E, Kouskoff V, Lacaud G. RUNX1 Dosage in Development and Cancer. Mol Cells 2020; 43:126-138. [PMID: 31991535 PMCID: PMC7057845 DOI: 10.14348/molcells.2019.0301] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 12/04/2019] [Indexed: 12/30/2022] Open
Abstract
The transcription factor RUNX1 first came to prominence due to its involvement in the t(8;21) translocation in acute myeloid leukemia (AML). Since this discovery, RUNX1 has been shown to play important roles not only in leukemia but also in the ontogeny of the normal hematopoietic system. Although it is currently still challenging to fully assess the different parameters regulating RUNX1 dosage, it has become clear that the dose of RUNX1 can greatly affect both leukemia and normal hematopoietic development. It is also becoming evident that varying levels of RUNX1 expression can be used as markers of tumor progression not only in the hematopoietic system, but also in non-hematopoietic cancers. Here, we provide an overview of the current knowledge of the effects of RUNX1 dosage in normal development of both hematopoietic and epithelial tissues and their associated cancers.
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Affiliation(s)
- Michael Lie-a-ling
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Macclesfield, SK0 4TG, UK
| | - Renaud Mevel
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Macclesfield, SK0 4TG, UK
| | - Rahima Patel
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Macclesfield, SK0 4TG, UK
| | - Karen Blyth
- Cancer Research UK Beatson Institute, Glasgow, G61 1BD, UK
- Institute of Cancer Sciences, University of Glasgow, Glasgow, G61 1QH, UK
| | - Esther Baena
- Cancer Research UK Prostate Oncobiology Group, Cancer Research UK Manchester Institute, The University of Manchester, Macclesfield, SK10 TG, UK
| | - Valerie Kouskoff
- Division of Developmental Biology & Medicine, The University of Manchester, Manchester, M13 9PT, UK
| | - Georges Lacaud
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Macclesfield, SK0 4TG, UK
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12
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Robin C, Jaffredo T, Zaehres H. Stem cell reprogramming: blood, neurons, and beyond. FEBS Lett 2019; 593:3241-3243. [PMID: 31814136 DOI: 10.1002/1873-3468.13660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Catherine Robin
- Hubrecht Institute-KNAW, University Medical Center Utrecht, The Netherlands.,Regenerative Medicine Center, University Medical Center Utrecht, The Netherlands
| | - Thierry Jaffredo
- Laboratoire de Biologie du Développement, CNRS UMR7622, Paris Cedex 05, France.,UMR7622, Laboratoire de Biologie du Développement, Sorbonne Universités, UPMC Univ Paris 06, Paris Cedex 05, France
| | - Holm Zaehres
- Department of Cell and Developmental Biology, Max Planck Institute for Molecular Biomedicine, Münster, Germany.,Institute of Anatomy, Ruhr University Bochum, Medical Faculty, Germany
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13
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Beghini A. Core Binding Factor Leukemia: Chromatin Remodeling Moves Towards Oncogenic Transcription. Cancers (Basel) 2019; 11:E1973. [PMID: 31817911 PMCID: PMC6966602 DOI: 10.3390/cancers11121973] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 12/02/2019] [Accepted: 12/05/2019] [Indexed: 11/25/2022] Open
Abstract
Acute myeloid leukemia (AML), the most common acute leukemia in adults, is a heterogeneous malignant clonal disorder arising from multipotent hematopoietic progenitor cells characterized by genetic and concerted epigenetic aberrations. Core binding factor-Leukemia (CBFL) is characterized by the recurrent reciprocal translocations t(8;21)(q22;q22) or inv(16)(p13;q22) that, expressing the distinctive RUNX1-RUNX1T1 (also known as Acute myeloid leukemia1-eight twenty-one, AML1-ETO or RUNX1/ETO) or CBFB-MYH11 (also known as CBFβ-ΣMMHX) translocation product respectively, disrupt the essential hematopoietic function of the CBF. In the past decade, remarkable progress has been achieved in understanding the structure, three-dimensional (3D) chromosomal topology, and disease-inducing genetic and epigenetic abnormalities of the fusion proteins that arise from disruption of the CBF subunit alpha and beta genes. Although CBFLs have a relatively good prognosis compared to other leukemia subtypes, 40-50% of patients still relapse, requiring intensive chemotherapy and allogenic hematopoietic cell transplantation (alloHCT). To provide a rationale for the CBFL-associated altered hematopoietic development, in this review, we summarize the current understanding on the various molecular mechanisms, including dysregulation of Wnt/β-catenin signaling as an early event that triggers the translocations, playing a pivotal role in the pathophysiology of CBFL. Translation of these findings into the clinical setting is just beginning by improvement in risk stratification, MRD assessment, and development of targeted therapies.
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14
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Barcia Durán JG, Lis R, Rafii S. Haematopoietic stem cell reprogramming and the hope for a universal blood product. FEBS Lett 2019; 593:3253-3265. [PMID: 31725897 DOI: 10.1002/1873-3468.13681] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 10/31/2019] [Accepted: 11/12/2019] [Indexed: 12/13/2022]
Abstract
Haematopoietic stem cells (HSCs) are the only adult stem cells with a demonstrated clinical use, even though a tractable method to maintain and expand human HSCs in vitro has not yet been found. Owing to the introduction of transplantation strategies for the treatment of haematological malignancies and, more recently, the promise of gene therapy, the need to improve the generation, manipulation and scalability of autologous or allogeneic HSCs has risen steeply over the past decade. In that context, reprogramming strategies based on the expression of exogenous transcription factors have emerged as a means to produce functional HSCs in vitro. These approaches largely stem from the assumption that key master transcription factors direct the expression of downstream target genes thereby triggering haematopoiesis. Both somatic and pluripotent cells have been used to this end, yielding variable results in terms of haematopoietic phenotype and functionality. Here, we present an overview of the haematopoietic reprogramming methods reported to date, provide the appropriate historical context and offer some critical insight about where the field stands at present.
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Affiliation(s)
- José Gabriel Barcia Durán
- Division of Regenerative Medicine, Department of Medicine, Ansary Stem Cell Institute, Weill Cornell Medicine, New York, NY, USA
| | - Raphaël Lis
- Division of Regenerative Medicine, Department of Medicine, Ansary Stem Cell Institute, Weill Cornell Medicine, New York, NY, USA.,Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine and Infertility, Weill Cornell Medicine, New York, NY, USA
| | - Shahin Rafii
- Division of Regenerative Medicine, Department of Medicine, Ansary Stem Cell Institute, Weill Cornell Medicine, New York, NY, USA
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