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Hamada N, Nishijo T, Iwamoto I, Shifman S, Nagata KI. Analyses of Conditional Knockout Mice for Pogz, a Gene Responsible for Neurodevelopmental Disorders in Excitatory and Inhibitory Neurons in the Brain. Cells 2024; 13:540. [PMID: 38534384 DOI: 10.3390/cells13060540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 03/08/2024] [Accepted: 03/18/2024] [Indexed: 03/28/2024] Open
Abstract
POGZ (Pogo transposable element derived with ZNF domain) is known to function as a regulator of gene expression. While variations in the POGZ gene have been associated with intellectual disabilities and developmental delays in humans, the exact pathophysiological mechanisms remain unclear. To shed light on this, we created two lines of conditional knockout mice for Pogz, one specific to excitatory neurons (Emx1-Pogz mice) and the other to inhibitory neurons (Gad2-Pogz mice) in the brain. Emx1-Pogz mice showed a decrease in body weight, similar to total Pogz knockout mice. Although the two lines did not display significant morphological abnormalities in the telencephalon, impaired POGZ function affected the electrophysiological properties of both excitatory and inhibitory neurons differently. These findings suggest that these mouse lines could be useful tools for clarifying the precise pathophysiological mechanisms of neurodevelopmental disorders associated with POGZ gene abnormalities.
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Affiliation(s)
- Nanako Hamada
- Department of Molecular Neurobiology, Institute for Developmental Research, Aichi Developmental Disability Center, 713-8 Kamiya, Kasugai 480-0392, Japan
| | - Takuma Nishijo
- Department of Molecular Neurobiology, Institute for Developmental Research, Aichi Developmental Disability Center, 713-8 Kamiya, Kasugai 480-0392, Japan
| | - Ikuko Iwamoto
- Department of Molecular Neurobiology, Institute for Developmental Research, Aichi Developmental Disability Center, 713-8 Kamiya, Kasugai 480-0392, Japan
| | - Sagiv Shifman
- Department of Genetics, The Alexander Silberman Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
| | - Koh-Ichi Nagata
- Department of Molecular Neurobiology, Institute for Developmental Research, Aichi Developmental Disability Center, 713-8 Kamiya, Kasugai 480-0392, Japan
- Department of Neurochemistry, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
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Sun X, Zhang T, Tong B, Cheng L, Jiang W, Sun Y. POGZ suppresses 2C transcriptional program and retrotransposable elements. Cell Rep 2023; 42:112867. [PMID: 37494184 DOI: 10.1016/j.celrep.2023.112867] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 03/23/2023] [Accepted: 07/11/2023] [Indexed: 07/28/2023] Open
Abstract
The POGZ gene has been found frequently mutated in neurodevelopmental disorders (NDDs) such as autism spectrum disorder (ASD) and intellectual disability (ID). We have recently shown that POGZ maintains mouse embryonic stem cells (ESCs). However, the exact mechanisms remain unclear. Here, we show that POGZ plays an important role in the maintenance of ESCs by silencing Dux and endogenous retroviruses (ERVs). POGZ maintains a silent chromatin state at Dux and ERVs by associating with and recruiting TRIM28 and SETDB1, and its loss leads to decreased levels of H3K9me3/H4K20me3, resulting in up-regulation of 2C transcripts and ESC transition to a 2C-like state. POGZ suppresses different classes of ERVs through direct (IAPEy, the intracisternal A-type particle elements) and indirect regulation (MERVL). Activation of POGZ-bound ERVs is associated with up-regulation of nearby neural disease genes such as Serpina3m. Our findings provide important insights into understanding the disease mechanism caused by POGZ dysfunction.
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Affiliation(s)
- Xiaoyun Sun
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, P.R. China
| | - Tianzhe Zhang
- Department of Biological Repositories, Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan 430071, China
| | - Bei Tong
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, P.R. China
| | - Linxi Cheng
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, P.R. China
| | - Wei Jiang
- Department of Biological Repositories, Frontier Science Center for Immunology and Metabolism, Medical Research Institute, Wuhan University, Wuhan 430071, China
| | - Yuhua Sun
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, P.R. China; The Innovation of Seed Design, Chinese Academy of Sciences, Wuhan 430072, P.R. China; Hubei Hongshan Laboratory, Wuhan 430070, P.R. China.
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Eskici N, Madhusudan S, Vaaralahti K, Yellapragada V, Gomez-Sanchez C, Kärkinen J, Almusa H, Brandstack N, Miettinen PJ, Wang Y, Raivio T. Congenital hypogonadotropic hypogonadism in a patient with a de novo POGZ mutation. Eur J Endocrinol 2023; 189:271-280. [PMID: 37619992 DOI: 10.1093/ejendo/lvad111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 06/28/2023] [Accepted: 07/26/2023] [Indexed: 08/26/2023]
Abstract
OBJECTIVE Congenital hypogonadotropic hypogonadism (CHH) is a rare, genetically heterogeneous reproductive disorder caused by gonadotropin-releasing hormone (GnRH) deficiency. Approximately half of CHH patients also have decreased or absent sense of smell, that is, Kallmann syndrome (KS). We describe a patient with White-Sutton syndrome (developmental delay and autism spectrum disorder) and KS due to a heterozygous de novo mutation in POGZ (c.2857C>T, p.(Gln953*)), a gene encoding pogo transposable element derived with zinc finger domain, which acts as a transcriptomic regulator of neuronal networks. DESIGN AND METHODS We modeled the role of POGZ in CHH by generating 2 clonal human pluripotent stem cell lines with CRISPR/Cas9, carrying either the heterozygous patient mutation (H11 line) or a homozygous mutation (c.2803-2906del; p.E935Kfs*7 encoding a truncated POGZ protein; F6del line). RESULTS During the differentiation to GnRH neurons, neural progenitors derived from F6del line displayed severe proliferation defect, delayed wound-healing capacity, downregulation of intermediate progenitor neuron genes TBR1 and TBR2, and immature neuron markers PAX6 and TUBB3 and gave rise to fewer neurons with shorter neurites and less neurite branch points compared to the WT and H11 lines (P < .005). Both lines, however, could be successfully differentiated to GnRH neurons. CONCLUSIONS In conclusion, this is the first report on the overlap between White-Sutton syndrome and CHH. POGZ mutations do not hinder GnRH neuron formation but may cause CHH/KS by affecting the size and motility of the anterior neural progenitor pool and neurite outgrowth.
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Affiliation(s)
- Nazli Eskici
- Stem Cells and Metabolism Research Program (STEMM), Faculty of Medicine, University of Helsinki, Helsinki 00014, Finland
- Medicum, Faculty of Medicine, University of Helsinki, Helsinki 00014, Finland
| | - Shrinidhi Madhusudan
- Stem Cells and Metabolism Research Program (STEMM), Faculty of Medicine, University of Helsinki, Helsinki 00014, Finland
- Medicum, Faculty of Medicine, University of Helsinki, Helsinki 00014, Finland
| | - Kirsi Vaaralahti
- Stem Cells and Metabolism Research Program (STEMM), Faculty of Medicine, University of Helsinki, Helsinki 00014, Finland
- Medicum, Faculty of Medicine, University of Helsinki, Helsinki 00014, Finland
| | - Venkatram Yellapragada
- Stem Cells and Metabolism Research Program (STEMM), Faculty of Medicine, University of Helsinki, Helsinki 00014, Finland
- Medicum, Faculty of Medicine, University of Helsinki, Helsinki 00014, Finland
| | - Celia Gomez-Sanchez
- Stem Cells and Metabolism Research Program (STEMM), Faculty of Medicine, University of Helsinki, Helsinki 00014, Finland
- Medicum, Faculty of Medicine, University of Helsinki, Helsinki 00014, Finland
| | - Juho Kärkinen
- Helsinki University Hospital, New Children's Hospital, Pediatric Research Center, Helsinki 00014, Finland
| | - Henrikki Almusa
- Institute for Molecular Medicine Finland, FIMM, University of Helsinki, Helsinki 00014, Finland
| | - Nina Brandstack
- Department of Radiology, Helsinki University Hospital and University of Helsinki, Helsinki 00014, Finland
| | - Päivi J Miettinen
- Helsinki University Hospital, New Children's Hospital, Pediatric Research Center, Helsinki 00014, Finland
| | - Yafei Wang
- Stem Cells and Metabolism Research Program (STEMM), Faculty of Medicine, University of Helsinki, Helsinki 00014, Finland
- Medicum, Faculty of Medicine, University of Helsinki, Helsinki 00014, Finland
| | - Taneli Raivio
- Stem Cells and Metabolism Research Program (STEMM), Faculty of Medicine, University of Helsinki, Helsinki 00014, Finland
- Medicum, Faculty of Medicine, University of Helsinki, Helsinki 00014, Finland
- Helsinki University Hospital, New Children's Hospital, Pediatric Research Center, Helsinki 00014, Finland
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Duan J, Ye Y, Liao J, Chen L, Zhao X, Liu C, Wen J. White-Sutton syndrome and congenital heart disease: case report and literature review. BMC Pediatr 2023; 23:158. [PMID: 37016333 PMCID: PMC10071667 DOI: 10.1186/s12887-023-03972-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 03/24/2023] [Indexed: 04/06/2023] Open
Abstract
BACKGROUND White-Sutton syndrome is an autosomal dominant neurodevelopmental disorder caused by heterozygous mutation in POGZ (Pogo Transposable Element Derived with ZNF Domain). This syndrome is characterized by delayed psychomotor development apparent in infancy and abnormal facial features. To date, 80 cases have been reported in the literature; however, the phenotypic characterizations remain incomplete. CASE PRESENTATION We herein describe a 2-year-old girl harboring a novel frameshift de novo POGZ variant: c.2746del (p.Thr916ProfsTer12). This patient presented with multisystem abnormalities affecting the digestive tract and neurological functioning, as well as congenital heart disease, which involved an atrial septal defect (18 × 23 × 22 mm) with pulmonary arterial hypertension (42 mmHg). The relationship between congenital heart disease and White-Sutton syndrome as described in both the GeneReview and OMIM databases (#616,364) remains unclear. A review of the current literature revealed 18 cases of White-Sutton syndrome with POGZ variants and congenital heart disease, and we summarize their clinical features in this study. CONCLUSIONS Our findings based on the present case and those in the literature indicate a relationship between POGZ mutation and congenital heart disease.
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Affiliation(s)
- Jing Duan
- Department of Neurology, Shenzhen Children's Hospital, 7019# Yitian Road, Futian District, Guangdong Province , 518038, Shenzhen, PR China
| | - Yuanzhen Ye
- Department of Neurology, Shenzhen Children's Hospital, 7019# Yitian Road, Futian District, Guangdong Province , 518038, Shenzhen, PR China
| | - Jianxiang Liao
- Department of Neurology, Shenzhen Children's Hospital, 7019# Yitian Road, Futian District, Guangdong Province , 518038, Shenzhen, PR China
| | - Li Chen
- Department of Neurology, Shenzhen Children's Hospital, 7019# Yitian Road, Futian District, Guangdong Province , 518038, Shenzhen, PR China
| | - Xia Zhao
- Department of Neurology, Shenzhen Children's Hospital, 7019# Yitian Road, Futian District, Guangdong Province , 518038, Shenzhen, PR China
| | - Chao Liu
- Department of Bioinformatics, Berry Genomics Co. Ltd, Beijing, China
| | - Jialun Wen
- Department of Neurology, Shenzhen Children's Hospital, 7019# Yitian Road, Futian District, Guangdong Province , 518038, Shenzhen, PR China.
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Conrow-Graham M, Williams JB, Martin J, Zhong P, Cao Q, Rein B, Yan Z. A convergent mechanism of high risk factors ADNP and POGZ in neurodevelopmental disorders. Brain 2022; 145:3250-3263. [PMID: 35775424 PMCID: PMC10233273 DOI: 10.1093/brain/awac152] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 04/12/2022] [Accepted: 04/13/2022] [Indexed: 01/18/2023] Open
Abstract
ADNP and POGZ are two top-ranking risk factors for autism spectrum disorder and intellectual disability, but how they are linked to these neurodevelopmental disorders is largely unknown. Both ADNP and POGZ are chromatin regulators, which could profoundly affect gene transcription and cellular function in the brain. Using post-mortem tissue from patients with autism spectrum disorder, we found diminished expression of ADNP and POGZ in the prefrontal cortex, a region highly implicated in neurodevelopmental disorders. To understand the functional role of these neurodevelopmental disorder risk factors, we used viral-based gene transfer to investigate how Adnp or Pogz deficiency in mouse prefrontal cortex affects behavioural, transcriptomic and synaptic function. Mice with prefrontal cortex deficiency of Adnp or Pogz exhibited specific impairment of cognitive task performance. RNA-sequencing revealed that Adnp or Pogz deficiency induced prominent upregulation of overlapping genes enriched in neuroinflammation, similar to the elevation of pro-inflammatory genes in humans with neurodevelopmental disorders. Concomitantly, Adnp or Pogz deficiency led to the significant increase of pro-phagocytic microglial activation in prefrontal cortex, as well as the significant decrease of glutamatergic transmission and postsynaptic protein expression. These findings have uncovered the convergent functions of two top risk factors for autism spectrum disorder and intellectual disability in prefrontal cortex, providing a mechanism linking chromatin, transcriptional and synaptic dysregulation to cognitive deficits associated with neurodevelopmental disorders.
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Affiliation(s)
- Megan Conrow-Graham
- Department of Physiology and Biophysics, State University of New York at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY 14214, USA
| | - Jamal B Williams
- Department of Physiology and Biophysics, State University of New York at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY 14214, USA
| | - Jennifer Martin
- Department of Physiology and Biophysics, State University of New York at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY 14214, USA
| | - Ping Zhong
- Department of Physiology and Biophysics, State University of New York at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY 14214, USA
| | - Qing Cao
- Department of Physiology and Biophysics, State University of New York at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY 14214, USA
| | - Benjamin Rein
- Department of Physiology and Biophysics, State University of New York at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY 14214, USA
| | - Zhen Yan
- Department of Physiology and Biophysics, State University of New York at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, NY 14214, USA
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Nagai M, Iemura K, Kikkawa T, Naher S, Hattori S, Hagihara H, Nagata KI, Anzawa H, Kugisaki R, Wanibuchi H, Abe T, Inoue K, Kinoshita K, Miyakawa T, Osumi N, Tanaka K. Deficiency of CHAMP1, a gene related to intellectual disability, causes impaired neuronal development and a mild behavioural phenotype. Brain Commun 2022; 4:fcac220. [PMID: 36106092 PMCID: PMC9465530 DOI: 10.1093/braincomms/fcac220] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 05/12/2022] [Accepted: 08/26/2022] [Indexed: 11/24/2022] Open
Abstract
CHAMP1 is a gene associated with intellectual disability, which was originally identified as being involved in the maintenance of kinetochore–microtubule attachment. To explore the neuronal defects caused by CHAMP1 deficiency, we established mice that lack CHAMP1. Mice that are homozygous knockout for CHAMP1 were slightly smaller than wild-type mice and died soon after birth on pure C57BL/6J background. Although gross anatomical defects were not found in CHAMP1−/− mouse brains, mitotic cells were increased in the cerebral cortex. Neuronal differentiation was delayed in CHAMP1−/− neural stem cells in vitro, which was also suggested in vivo by CHAMP1 knockdown. In a behavioural test battery, adult CHAMP1 heterozygous knockout mice showed mild memory defects, altered social interaction, and depression-like behaviours. In transcriptomic analysis, genes related to neurotransmitter transport and neurodevelopmental disorder were downregulated in embryonic CHAMP1−/− brains. These results suggest that CHAMP1 plays a role in neuronal development, and CHAMP1-deficient mice resemble some aspects of individuals with CHAMP1 mutations.
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Affiliation(s)
- Masayoshi Nagai
- Department of Molecular Oncology, Institute of Development, Aging and Cancer (IDAC), Tohoku University , Sendai, Miyagi 980-8575 , Japan
| | - Kenji Iemura
- Department of Molecular Oncology, Institute of Development, Aging and Cancer (IDAC), Tohoku University , Sendai, Miyagi 980-8575 , Japan
| | - Takako Kikkawa
- Department of Developmental Neuroscience, United Centers for Advanced Research and Translational Medicine (ART), Tohoku University Graduate School of Medicine , Sendai, Miyagi 980-8575 , Japan
| | - Sharmin Naher
- Department of Developmental Neuroscience, Tohoku University Graduate School of Life Sciences , Sendai, Miyagi 980-8575 , Japan
| | - Satoko Hattori
- Division of Systems Medical Science, Institute for Comprehensive Medical Science (ICMS), Fujita Health University , Toyoake, Aichi 470-1192 , Japan
| | - Hideo Hagihara
- Division of Systems Medical Science, Institute for Comprehensive Medical Science (ICMS), Fujita Health University , Toyoake, Aichi 470-1192 , Japan
| | - Koh-ichi Nagata
- Department of Molecular Neurobiology, Institute of Developmental Research, Aichi Developmental Disability Center , Kasugai, Aichi 480-0392 , Japan
- Department of Neurochemistry, Nagoya University Graduate School of Medicine , Nagoya, Aichi 466-8550 , Japan
| | - Hayato Anzawa
- Department of Applied Information Sciences, Graduate School of Information Sciences, Tohoku University , Sendai 980-8579 , Japan
| | - Risa Kugisaki
- Department of Molecular Oncology, Institute of Development, Aging and Cancer (IDAC), Tohoku University , Sendai, Miyagi 980-8575 , Japan
| | - Hideki Wanibuchi
- Department of Molecular Pathology, Osaka City University Graduate School of Medicine , Osaka 545-8585 , Japan
| | - Takaya Abe
- Laboratory for Animal Resources and Genetic Engineering, RIKEN Center for Biosystems Dynamics Research , Kobe, Hyogo 650-0047 , Japan
| | - Kenichi Inoue
- Laboratory for Animal Resources and Genetic Engineering, RIKEN Center for Biosystems Dynamics Research , Kobe, Hyogo 650-0047 , Japan
| | - Kengo Kinoshita
- Department of Applied Information Sciences, Graduate School of Information Sciences, Tohoku University , Sendai 980-8579 , Japan
- Division of Integrated Genomics, Tohoku Medical Megabank Organization, Tohoku University , Sendai, 980-8573 , Japan
- Department of In Silico Analysis, Institute of Development, Aging and Cancer, Tohoku University , Sendai, 980-8575 , Japan
| | - Tsuyoshi Miyakawa
- Division of Systems Medical Science, Institute for Comprehensive Medical Science (ICMS), Fujita Health University , Toyoake, Aichi 470-1192 , Japan
| | - Noriko Osumi
- Department of Developmental Neuroscience, United Centers for Advanced Research and Translational Medicine (ART), Tohoku University Graduate School of Medicine , Sendai, Miyagi 980-8575 , Japan
| | - Kozo Tanaka
- Department of Molecular Oncology, Institute of Development, Aging and Cancer (IDAC), Tohoku University , Sendai, Miyagi 980-8575 , Japan
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Sun X, Cheng L, Sun Y. Autism-associated protein POGZ controls ESCs and ESC neural induction by association with esBAF. Mol Autism 2022; 13:24. [PMID: 35650610 PMCID: PMC9161502 DOI: 10.1186/s13229-022-00502-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 05/16/2022] [Indexed: 01/15/2023] Open
Abstract
Background The POGZ gene has been found frequently mutated in neurodevelopmental disorders (NDDs), particularly autism spectrum disorder (ASD) and intellectual disability (ID). However, little is known about its roles in embryonic stem cells (ESCs), neural development and diseases. Methods We generated Pogz−/− ESCs and directed ESC differentiation toward a neural fate. We performed biochemistry, ChIP-seq, ATAC-seq, and bioinformatics analyses to understand the role of POGZ. Results We show that POGZ is required for the maintenance of ESC identity and the up-regulation of neural genes during ESC differentiation toward a neural fate. Genome-wide binding analysis shows that POGZ is primarily localized to gene promoter and enhancer regions. POGZ functions as both a transcriptional activator and repressor, and its loss leads to deregulation of differentiation genes, including neural genes. POGZ physically associates with the SWI-SNF (esBAF) chromatin remodeler complex, and together they modulate enhancer activities via epigenetic modifications such as chromatin remodeling and histone modification. During ESC neural induction, POGZ-mediated recruitment of esBAF/BRG1 and H3K27ac are important for proper expression of neural progenitor genes. Limitations The genotype and allele relevant to human neurodevelopmental disorders is heterozygous loss of function. This work is designed to study the effects of loss of POGZ function on ESCs and during ESC neural induction. Also, this work lacks of in vivo validation using animal models. Conclusions The data suggest that POGZ is both a transcription factor and a genome regulator, and its loss leads to defects in neural induction and neurogenesis. Supplementary Information The online version contains supplementary material available at 10.1186/s13229-022-00502-9.
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Affiliation(s)
- Xiaoyun Sun
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430070, China
| | - Linxi Cheng
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430070, China.,University of Chinese Academy of Sciences, Beijing, 100010, China
| | - Yuhua Sun
- Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430070, China. .,University of Chinese Academy of Sciences, Beijing, 100010, China. .,Innovation Academy for Seed Design, Chinese Academy of Sciences, Beijing, China.
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Liu B, Brendel C, Vinjamur DS, Zhou Y, Harris C, McGuinness M, Manis JP, Bauer DE, Xu H, Williams DA. Development of a double shmiR lentivirus effectively targeting both BCL11A and ZNF410 for enhanced induction of fetal hemoglobin to treat β-hemoglobinopathies. Mol Ther 2022; 30:2693-2708. [PMID: 35526095 PMCID: PMC9372373 DOI: 10.1016/j.ymthe.2022.05.002] [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: 12/03/2021] [Revised: 04/01/2022] [Accepted: 05/03/2022] [Indexed: 10/18/2022] Open
Abstract
A promising treatment for β-hemoglobinopathies is the de-repression of γ-globin expression leading to increased fetal hemoglobin (HbF) by targeting BCL11A. Here, we aim to improve a lentivirus vector (LV) containing a single BCL11A shmiR (SS) to further increase γ-globin induction. We engineered a novel LV to express two shmiRs simultaneously targeting BCL11A and the γ-globin repressor, ZNF410. Erythroid cells derived from human HSCs transduced with the double shmiR (DS) showed up to 70% reduction of both BCL11A and ZNF410 proteins. There was a consistent and significant additional 10% increase in HbF compared to targeting BCL11A alone in erythroid cells. Erythrocytes differentiated from SCD HSCs transduced with the DS demonstrated significantly reduced in vitro sickling phenotype compared to the SS. Erythrocytes differentiated from transduced HSCs from β-thalassemia major patients demonstrated improved globin chain balance by increased γ-globin with reduced microcytosis. Reconstitution of DS-transduced cells from Berkeley SCD mice was associated with a statistically larger reduction in peripheral blood hemolysis markers compared with the SS vector. Overall, these results indicate that the DS LV targeting BCL11A and ZNF410 can enhance HbF induction for treating β-hemoglobinopathies and could be used as a model to simultaneously and efficiently target multiple gene products.
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Affiliation(s)
- Boya Liu
- Division of Hematology/Oncology, Boston Children's Hospital, Boston, Massachusetts, USA; Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Christian Brendel
- Division of Hematology/Oncology, Boston Children's Hospital, Boston, Massachusetts, USA; Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA; Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA; Harvard Stem Cell Institute, Harvard University, Boston, Massachusetts, USA
| | - Divya S Vinjamur
- Division of Hematology/Oncology, Boston Children's Hospital, Boston, Massachusetts, USA; Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Yu Zhou
- Division of Hematology/Oncology, Boston Children's Hospital, Boston, Massachusetts, USA; Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Chad Harris
- Division of Hematology/Oncology, Boston Children's Hospital, Boston, Massachusetts, USA; Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - Meaghan McGuinness
- Division of Hematology/Oncology, Boston Children's Hospital, Boston, Massachusetts, USA; Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - John P Manis
- Department of Laboratory Medicine, Boston Children's Hospital, Massachusetts, USA
| | - Daniel E Bauer
- Division of Hematology/Oncology, Boston Children's Hospital, Boston, Massachusetts, USA; Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA; Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA; Harvard Stem Cell Institute, Harvard University, Boston, Massachusetts, USA
| | - Haiming Xu
- Division of Hematology/Oncology, Boston Children's Hospital, Boston, Massachusetts, USA; Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
| | - David A Williams
- Division of Hematology/Oncology, Boston Children's Hospital, Boston, Massachusetts, USA; Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA; Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA; Harvard Stem Cell Institute, Harvard University, Boston, Massachusetts, USA.
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CHAMP1-POGZ counteracts the inhibitory effect of 53BP1 on homologous recombination and affects PARP inhibitor resistance. Oncogene 2022; 41:2706-2718. [PMID: 35393543 DOI: 10.1038/s41388-022-02299-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 03/21/2022] [Accepted: 03/24/2022] [Indexed: 12/15/2022]
Abstract
DNA double-strand break (DSB) repair-pathway choice regulated by 53BP1 and BRCA1 contributes to genome stability. 53BP1 cooperates with the REV7-Shieldin complex and inhibits DNA end resection to block homologous recombination (HR) and affects the sensitivity to inhibitors for poly (ADP-ribose) polymerases (PARPs) in BRCA1-deficient cells. Here, we show that a REV7 binding protein, CHAMP1 (chromosome alignment-maintaining phosphoprotein 1), has an opposite function of REV7 in DSB repair and promotes HR through DNA end resection together with POGZ (POGO transposable element with ZNF domain). CHAMP1 was recruited to laser-micro-irradiation-induced DSB sites and promotes HR, but not NHEJ. CHAMP1 depletion suppressed the recruitment of BRCA1, but not the recruitment of 53BP1, suggesting that CHAMP1 regulates DSB repair pathway in favor of HR. Depletion of either CHAMP1 or POGZ impaired the recruitment of phosphorylated RPA2 and CtIP (CtBP-interacting protein) at DSB sites, implying that CHAMP1, in complex with POGZ, promotes DNA end resection for HR. Furthermore, loss of CHAMP1 and POGZ restored the sensitivity to a PARP inhibitor in cells depleted of 53BP1 together with BRCA1. These data suggest that CHAMP1and POGZ counteract the inhibitory effect of 53BP1 on HR by promoting DNA end resection and affect the resistance to PARP inhibitors.
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The Novel Protease Activities of JMJD5–JMJD6–JMJD7 and Arginine Methylation Activities of Arginine Methyltransferases Are Likely Coupled. Biomolecules 2022; 12:biom12030347. [PMID: 35327545 PMCID: PMC8945206 DOI: 10.3390/biom12030347] [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: 12/15/2021] [Revised: 02/03/2022] [Accepted: 02/18/2022] [Indexed: 12/23/2022] Open
Abstract
The surreptitious discoveries of the protease activities on arginine-methylated targets of a subfamily of Jumonji domain-containing family including JMJD5, JMJD6, and JMJD7 pose several questions regarding their authenticity, function, purpose, and relations with others. At the same time, despite several decades of efforts and massive accumulating data regarding the roles of the arginine methyltransferase family (PRMTs), the exact function of this protein family still remains a mystery, though it seems to play critical roles in transcription regulation, including activation and inactivation of a large group of genes, as well as other biological activities. In this review, we aim to elucidate that the function of JMJD5/6/7 and PRMTs are likely coupled. Besides roles in the regulation of the biogenesis of membrane-less organelles in cells, they are major players in regulating stimulating transcription factors to control the activities of RNA Polymerase II in higher eukaryotes, especially in the animal kingdom. Furthermore, we propose that arginine methylation by PRMTs could be a ubiquitous action marked for destruction after missions by a subfamily of the Jumonji protein family.
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11
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Heath J, Cheyou ES, Findlay S, Luo VM, Carpio EP, Lee J, Djerir B, Chen X, Morin T, Lebeau B, Karam M, Bagci H, Grapton D, Ursini‐Siegel J, Côté J, Witcher M, Richard S, Maréchal A, Orthwein A. POGZ promotes homology-directed DNA repair in an HP1-dependent manner. EMBO Rep 2022; 23:e51041. [PMID: 34758190 PMCID: PMC8728601 DOI: 10.15252/embr.202051041] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 10/08/2021] [Accepted: 10/20/2021] [Indexed: 01/07/2023] Open
Abstract
The heterochromatin protein HP1 plays a central role in the maintenance of genome stability but little is known about how HP1 is controlled. Here, we show that the zinc finger protein POGZ promotes the presence of HP1 at DNA double-strand breaks (DSBs) in human cells. POGZ depletion delays the resolution of DSBs and sensitizes cells to different DNA-damaging agents, including cisplatin and talazoparib. Mechanistically, POGZ promotes homology-directed DNA repair by retaining the BRCA1/BARD1 complex at DSBs in an HP1-dependent manner. In vivo CRISPR inactivation of Pogz is embryonically lethal. Pogz haploinsufficiency (Pogz+ /delta) results in developmental delay, impaired intellectual abilities, hyperactive behaviour and a compromised humoral immune response in mice, recapitulating the main clinical features of the White Sutton syndrome (WHSUS). Pogz+ /delta mice are further radiosensitive and accumulate DSBs in diverse tissues, including the spleen and brain. Altogether, our findings identify POGZ as an important player in homology-directed DNA repair both in vitro and in vivo.
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Affiliation(s)
- John Heath
- Lady Davis Institute for Medical Research, Segal Cancer CentreJewish General HospitalMontrealQCCanada
- Division of Experimental MedicineMcGill UniversityMontrealQCCanada
| | - Estelle Simo Cheyou
- Lady Davis Institute for Medical Research, Segal Cancer CentreJewish General HospitalMontrealQCCanada
- Gerald Bronfman Department of OncologyMcGill UniversityMontrealQCCanada
| | - Steven Findlay
- Lady Davis Institute for Medical Research, Segal Cancer CentreJewish General HospitalMontrealQCCanada
- Division of Experimental MedicineMcGill UniversityMontrealQCCanada
| | - Vincent M Luo
- Lady Davis Institute for Medical Research, Segal Cancer CentreJewish General HospitalMontrealQCCanada
- Department of Microbiology and ImmunologyMcGill UniversityMontrealQCCanada
| | - Edgar Pinedo Carpio
- Lady Davis Institute for Medical Research, Segal Cancer CentreJewish General HospitalMontrealQCCanada
- Division of Experimental MedicineMcGill UniversityMontrealQCCanada
| | - Jeesan Lee
- Lady Davis Institute for Medical Research, Segal Cancer CentreJewish General HospitalMontrealQCCanada
| | - Billel Djerir
- Department of BiologyUniversité de SherbrookeSherbrookeQCCanada
| | - Xiaoru Chen
- Lady Davis Institute for Medical Research, Segal Cancer CentreJewish General HospitalMontrealQCCanada
| | - Théo Morin
- Department of BiologyUniversité de SherbrookeSherbrookeQCCanada
| | - Benjamin Lebeau
- Lady Davis Institute for Medical Research, Segal Cancer CentreJewish General HospitalMontrealQCCanada
- Division of Experimental MedicineMcGill UniversityMontrealQCCanada
| | - Martin Karam
- Lady Davis Institute for Medical Research, Segal Cancer CentreJewish General HospitalMontrealQCCanada
- Division of Experimental MedicineMcGill UniversityMontrealQCCanada
| | - Halil Bagci
- Institut de Recherches Cliniques de Montréal (IRCM)MontrealQCCanada
- Département of Anatomy and Cell BiologyMcGill UniversityMontrealQCCanada
- Present address:
Institute of BiochemistryETH ZürichZürichSwitzerland
| | - Damien Grapton
- Lady Davis Institute for Medical Research, Segal Cancer CentreJewish General HospitalMontrealQCCanada
| | - Josie Ursini‐Siegel
- Lady Davis Institute for Medical Research, Segal Cancer CentreJewish General HospitalMontrealQCCanada
- Division of Experimental MedicineMcGill UniversityMontrealQCCanada
- Gerald Bronfman Department of OncologyMcGill UniversityMontrealQCCanada
| | - Jean‐Francois Côté
- Institut de Recherches Cliniques de Montréal (IRCM)MontrealQCCanada
- Département of Anatomy and Cell BiologyMcGill UniversityMontrealQCCanada
- Département de Biochimie et Médecine MoléculaireUniversité de MontréalMontrealQCCanada
- Département de Médecine (Programmes de Biologie Moléculaire)Université de MontréalMontrealQCCanada
| | - Michael Witcher
- Lady Davis Institute for Medical Research, Segal Cancer CentreJewish General HospitalMontrealQCCanada
- Division of Experimental MedicineMcGill UniversityMontrealQCCanada
| | - Stéphane Richard
- Lady Davis Institute for Medical Research, Segal Cancer CentreJewish General HospitalMontrealQCCanada
- Gerald Bronfman Department of OncologyMcGill UniversityMontrealQCCanada
| | | | - Alexandre Orthwein
- Lady Davis Institute for Medical Research, Segal Cancer CentreJewish General HospitalMontrealQCCanada
- Division of Experimental MedicineMcGill UniversityMontrealQCCanada
- Gerald Bronfman Department of OncologyMcGill UniversityMontrealQCCanada
- Department of Microbiology and ImmunologyMcGill UniversityMontrealQCCanada
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12
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Markenscoff-Papadimitriou E, Binyameen F, Whalen S, Price J, Lim K, Ypsilanti AR, Catta-Preta R, Pai ELL, Mu X, Xu D, Pollard KS, Nord AS, State MW, Rubenstein JL. Autism risk gene POGZ promotes chromatin accessibility and expression of clustered synaptic genes. Cell Rep 2021; 37:110089. [PMID: 34879283 PMCID: PMC9512081 DOI: 10.1016/j.celrep.2021.110089] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 10/11/2021] [Accepted: 11/11/2021] [Indexed: 12/31/2022] Open
Abstract
Deleterious genetic variants in POGZ, which encodes the chromatin regulator Pogo Transposable Element with ZNF Domain protein, are strongly associated with autism spectrum disorder (ASD). Although it is a high-confidence ASD risk gene, the neurodevelopmental functions of POGZ remain unclear. Here we reveal the genomic binding of POGZ in the developing forebrain at euchromatic loci and gene regulatory elements (REs). We profile chromatin accessibility and gene expression in Pogz-/- mice and show that POGZ promotes the active chromatin state and transcription of clustered synaptic genes. We further demonstrate that POGZ forms a nuclear complex and co-occupies loci with ADNP, another high-confidence ASD risk gene, and provide evidence that POGZ regulates other neurodevelopmental disorder risk genes as well. Our results reveal a neurodevelopmental function of an ASD risk gene and identify molecular targets that may elucidate its function in ASD.
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Affiliation(s)
- Eirene Markenscoff-Papadimitriou
- Department of Psychiatry, Langley Porter Psychiatric Institute, UCSF Weill Institute for Neurosciences, University of California, San Francisco, CA, USA.
| | - Fadya Binyameen
- Department of Psychiatry, Langley Porter Psychiatric Institute, UCSF Weill Institute for Neurosciences, University of California, San Francisco, CA, USA
| | - Sean Whalen
- Gladstone Institutes, San Francisco, CA, USA
| | - James Price
- Department of Psychiatry, Langley Porter Psychiatric Institute, UCSF Weill Institute for Neurosciences, University of California, San Francisco, CA, USA
| | - Kenneth Lim
- Department of Psychiatry, Langley Porter Psychiatric Institute, UCSF Weill Institute for Neurosciences, University of California, San Francisco, CA, USA
| | - Athena R Ypsilanti
- Department of Psychiatry, Langley Porter Psychiatric Institute, UCSF Weill Institute for Neurosciences, University of California, San Francisco, CA, USA
| | - Rinaldo Catta-Preta
- Departments of Neurobiology, Physiology, and Behavior and Psychiatry and Behavioral Sciences, University of California, Davis, Davis, CA, USA
| | - Emily Ling-Lin Pai
- Department of Psychiatry, Langley Porter Psychiatric Institute, UCSF Weill Institute for Neurosciences, University of California, San Francisco, CA, USA
| | | | | | - Katherine S Pollard
- Gladstone Institutes, San Francisco, CA, USA; Chan-Zuckerberg Biohub, San Francisco, CA, USA; Institute for Computational Health Sciences, University of California, San Francisco, CA, USA; Institute for Human Genetics, University of California, San Francisco, CA, USA; Department of Epidemiology and Biostatistics, University of California, San Francisco, CA, USA; Quantitative Biology Institute, University of California, San Francisco, CA, USA
| | - Alex S Nord
- Departments of Neurobiology, Physiology, and Behavior and Psychiatry and Behavioral Sciences, University of California, Davis, Davis, CA, USA
| | - Matthew W State
- Department of Psychiatry, Langley Porter Psychiatric Institute, UCSF Weill Institute for Neurosciences, University of California, San Francisco, CA, USA
| | - John L Rubenstein
- Department of Psychiatry, Langley Porter Psychiatric Institute, UCSF Weill Institute for Neurosciences, University of California, San Francisco, CA, USA.
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13
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King AJ, Songdej D, Downes DJ, Beagrie RA, Liu S, Buckley M, Hua P, Suciu MC, Marieke Oudelaar A, Hanssen LLP, Jeziorska D, Roberts N, Carpenter SJ, Francis H, Telenius J, Olijnik AA, Sharpe JA, Sloane-Stanley J, Eglinton J, Kassouf MT, Orkin SH, Pennacchio LA, Davies JOJ, Hughes JR, Higgs DR, Babbs C. Reactivation of a developmentally silenced embryonic globin gene. Nat Commun 2021; 12:4439. [PMID: 34290235 PMCID: PMC8295333 DOI: 10.1038/s41467-021-24402-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 06/12/2021] [Indexed: 12/26/2022] Open
Abstract
The α- and β-globin loci harbor developmentally expressed genes, which are silenced throughout post-natal life. Reactivation of these genes may offer therapeutic approaches for the hemoglobinopathies, the most common single gene disorders. Here, we address mechanisms regulating the embryonically expressed α-like globin, termed ζ-globin. We show that in embryonic erythroid cells, the ζ-gene lies within a ~65 kb sub-TAD (topologically associating domain) of open, acetylated chromatin and interacts with the α-globin super-enhancer. By contrast, in adult erythroid cells, the ζ-gene is packaged within a small (~10 kb) sub-domain of hypoacetylated, facultative heterochromatin within the acetylated sub-TAD and that it no longer interacts with its enhancers. The ζ-gene can be partially re-activated by acetylation and inhibition of histone de-acetylases. In addition to suggesting therapies for severe α-thalassemia, these findings illustrate the general principles by which reactivation of developmental genes may rescue abnormalities arising from mutations in their adult paralogues.
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Affiliation(s)
- Andrew J King
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Duantida Songdej
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Division of Hematology/Oncology, Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Damien J Downes
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Robert A Beagrie
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Siyu Liu
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Chinese Academy of Medical Sciences Oxford Institute, University of Oxford, Oxford, UK
| | - Megan Buckley
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Peng Hua
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Maria C Suciu
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | | | - Lars L P Hanssen
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Danuta Jeziorska
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Nigel Roberts
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Stephanie J Carpenter
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Helena Francis
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Jelena Telenius
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- MRC WIMM Centre for Computational Biology, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Aude-Anais Olijnik
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Jacqueline A Sharpe
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Jacqueline Sloane-Stanley
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Jennifer Eglinton
- National Haemoglobinopathy Reference Laboratory, Department of Haematology, Level 4, John Radcliffe Hospital, Oxford, UK
| | - Mira T Kassouf
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Stuart H Orkin
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Harvard Medical School and Howard Hughes Medical Institute, Boston, MA, USA
| | - Len A Pennacchio
- Functional Genomics Department, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
- Comparative Biochemistry Program, University of California, Berkeley, CA, USA
| | - James O J Davies
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
| | - Jim R Hughes
- MRC Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- MRC WIMM Centre for Computational Biology, MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Douglas R Higgs
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK.
| | - Christian Babbs
- MRC Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK.
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14
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Uchida N, Ferrara F, Drysdale CM, Yapundich M, Gamer J, Nassehi T, DiNicola J, Shibata Y, Wielgosz M, Kim YS, Bauler M, Throm RE, Haro-Mora JJ, Demirci S, Bonifacino AC, Krouse AE, Linde NS, Donahue RE, Ryu B, Tisdale JF. Sustained fetal hemoglobin induction in vivo is achieved by BCL11A interference and coexpressed truncated erythropoietin receptor. Sci Transl Med 2021; 13:13/591/eabb0411. [PMID: 33910976 DOI: 10.1126/scitranslmed.abb0411] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Revised: 10/13/2020] [Accepted: 04/02/2021] [Indexed: 12/12/2022]
Abstract
Hematopoietic stem cell gene therapy for hemoglobin disorders, including sickle cell disease, requires high-efficiency lentiviral gene transfer and robust therapeutic globin expression in erythroid cells. Erythropoietin is a key cytokine for erythroid proliferation and differentiation (erythropoiesis), and truncated human erythropoietin receptors (thEpoR) have been reported in familial polycythemia. We reasoned that coexpression of thEpoR could enhance the phenotypic effect of a therapeutic vector in erythroid cells in xenograft mouse and autologous nonhuman primate transplantation models. We generated thEpoR by deleting 40 amino acids from the carboxyl terminus, allowing for erythropoietin-dependent enhanced erythropoiesis of gene-modified cells. We then designed lentiviral vectors encoding both thEpoR and B cell lymphoma/leukemia 11A (BCL11A)-targeting microRNA-adapted short hairpin RNA (shmiR BCL11A) driven by an erythroid-specific promoter. thEpoR expression enhanced erythropoiesis among gene-modified cells in vitro. We then transplanted lentiviral vector gene-modified CD34+ cells with erythroid-specific expression of both thEpoR and shmiR BCL11A and compared to cells modified with shmiR BCL11A only. We found that thEpoR enhanced shmiR BCL11A-based fetal hemoglobin (HbF) induction in both xenograft mice and rhesus macaques, whereas HbF induction with shmiR BCL11A only was robust, yet transient. thEpoR/shmiR BCL11A coexpression allowed for sustained HbF induction at 20 to 25% in rhesus macaques for 4 to 8 months. In summary, we developed erythroid-specific thEpoR/shmiR BCL11A-expressing vectors, enhancing HbF induction in xenograft mice and rhesus macaques. The sustained HbF induction achieved by addition of thEpoR and shmiR BCL11A may represent a viable gene therapy strategy for hemoglobin disorders.
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Affiliation(s)
- Naoya Uchida
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institutes (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA. .,Division of Molecular and Medical Genetics, Center for Gene and Cell Therapy, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo 108-8639, Japan
| | - Francesca Ferrara
- Department of Hematology, St. Jude Children's Research Hospital (SJCRH), Memphis, TN 38105, USA
| | - Claire M Drysdale
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institutes (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Morgan Yapundich
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institutes (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Jackson Gamer
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institutes (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Tina Nassehi
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institutes (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Julia DiNicola
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institutes (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Yoshitaka Shibata
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institutes (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Matthew Wielgosz
- Department of Hematology, St. Jude Children's Research Hospital (SJCRH), Memphis, TN 38105, USA
| | - Yoon-Sang Kim
- Department of Hematology, St. Jude Children's Research Hospital (SJCRH), Memphis, TN 38105, USA
| | - Matthew Bauler
- Vector Development and Production Laboratory, SJCRH, Memphis, TN 38105, USA
| | - Robert E Throm
- Vector Development and Production Laboratory, SJCRH, Memphis, TN 38105, USA
| | - Juan J Haro-Mora
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institutes (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Selami Demirci
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institutes (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Aylin C Bonifacino
- Translational Stem Cell Biology Branch, NHLBI, NIH, Bethesda, MD 20892, USA
| | - Allen E Krouse
- Translational Stem Cell Biology Branch, NHLBI, NIH, Bethesda, MD 20892, USA
| | - N Seth Linde
- Translational Stem Cell Biology Branch, NHLBI, NIH, Bethesda, MD 20892, USA
| | - Robert E Donahue
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institutes (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Byoung Ryu
- Department of Hematology, St. Jude Children's Research Hospital (SJCRH), Memphis, TN 38105, USA.,Umoja Biopharma, 1920 Terry Ave., Seattle, WA 98101, USA
| | - John F Tisdale
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institutes (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA
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15
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Drysdale CM, Nassehi T, Gamer J, Yapundich M, Tisdale JF, Uchida N. Hematopoietic-Stem-Cell-Targeted Gene-Addition and Gene-Editing Strategies for β-hemoglobinopathies. Cell Stem Cell 2021; 28:191-208. [PMID: 33545079 DOI: 10.1016/j.stem.2021.01.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Sickle cell disease (SCD) is caused by a well-defined point mutation in the β-globin gene and therefore is an optimal target for hematopoietic stem cell (HSC) gene-addition/editing therapy. In HSC gene-addition therapy, a therapeutic β-globin gene is integrated into patient HSCs via lentiviral transduction, resulting in long-term phenotypic correction. State-of-the-art gene-editing technology has made it possible to repair the β-globin mutation in patient HSCs or target genetic loci associated with reactivation of endogenous γ-globin expression. With both approaches showing signs of therapeutic efficacy in patients, we discuss current genetic treatments, challenges, and technical advances in this field.
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Affiliation(s)
- Claire M Drysdale
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institute (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Tina Nassehi
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institute (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Jackson Gamer
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institute (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Morgan Yapundich
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institute (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - John F Tisdale
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institute (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA.
| | - Naoya Uchida
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institute (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD 20892, USA; Division of Molecular and Medical Genetics, Center for Gene and Cell Therapy, The Institute of Medical Science, The University of Tokyo, Minato-ku, Tokyo 108-8639, Japan.
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16
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Hu S, Yang T, Wang Y. Widespread labeling and genomic editing of the fetal central nervous system by in utero CRISPR AAV9-PHP.eB administration. Development 2021; 148:dev.195586. [PMID: 33334860 PMCID: PMC7847274 DOI: 10.1242/dev.195586] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Accepted: 12/07/2020] [Indexed: 01/20/2023]
Abstract
Efficient genetic manipulation in the developing central nervous system is crucial for investigating mechanisms of neurodevelopmental disorders and the development of promising therapeutics. Common approaches including transgenic mice and in utero electroporation, although powerful in many aspects, have their own limitations. In this study, we delivered vectors based on the AAV9.PHP.eB pseudo-type to the fetal mouse brain, and achieved widespread and extensive transduction of neural cells. When AAV9.PHP.eB-coding gRNA targeting PogZ or Depdc5 was delivered to Cas9 transgenic mice, widespread gene knockout was also achieved at the whole brain level. Our studies provide a useful platform for studying brain development and devising genetic intervention for severe developmental diseases. Summary:In utero CRISPR AAV9-PHP.eB provides a powerful platform to efficiently manipulate gene expression in the developing CNS to investigate mechanisms of neurodevelopmental disorders.
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Affiliation(s)
- Shuntong Hu
- Department of Neurology, The Third Xiangya Hospital, Central South University, Changsha 410013, China.,Department of Neurology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Tao Yang
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Yu Wang
- Department of Neurology, University of Michigan, Ann Arbor, MI 48109, USA
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17
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Amir N, Suliman-Lavie R, Tal M, Shifman S, Tishby N, Nelken I. Value-complexity tradeoff explains mouse navigational learning. PLoS Comput Biol 2020; 16:e1008497. [PMID: 33306669 PMCID: PMC7758052 DOI: 10.1371/journal.pcbi.1008497] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 12/23/2020] [Accepted: 11/06/2020] [Indexed: 11/19/2022] Open
Abstract
We introduce a novel methodology for describing animal behavior as a tradeoff between value and complexity, using the Morris Water Maze navigation task as a concrete example. We develop a dynamical system model of the Water Maze navigation task, solve its optimal control under varying complexity constraints, and analyze the learning process in terms of the value and complexity of swimming trajectories. The value of a trajectory is related to its energetic cost and is correlated with swimming time. Complexity is a novel learning metric which measures how unlikely is a trajectory to be generated by a naive animal. Our model is analytically tractable, provides good fit to observed behavior and reveals that the learning process is characterized by early value optimization followed by complexity reduction. Furthermore, complexity sensitively characterizes behavioral differences between mouse strains.
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Affiliation(s)
- Nadav Amir
- Edmond and Lily Safra Center for Brain Sciences (ELSC), Hebrew University, Jerusalem, Israel
| | - Reut Suliman-Lavie
- The Alexander Silberman Institute of Life Sciences, Hebrew University, Jerusalem, Israel
| | - Maayan Tal
- The Alexander Silberman Institute of Life Sciences, Hebrew University, Jerusalem, Israel
| | - Sagiv Shifman
- The Alexander Silberman Institute of Life Sciences, Hebrew University, Jerusalem, Israel
| | - Naftali Tishby
- Edmond and Lily Safra Center for Brain Sciences (ELSC), Hebrew University, Jerusalem, Israel
- The Benin School of Computer Science and Engineering, Hebrew University, Jerusalem, Israel
| | - Israel Nelken
- Edmond and Lily Safra Center for Brain Sciences (ELSC), Hebrew University, Jerusalem, Israel
- The Alexander Silberman Institute of Life Sciences, Hebrew University, Jerusalem, Israel
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18
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Suliman-Lavie R, Title B, Cohen Y, Hamada N, Tal M, Tal N, Monderer-Rothkoff G, Gudmundsdottir B, Gudmundsson KO, Keller JR, Huang GJ, Nagata KI, Yarom Y, Shifman S. Pogz deficiency leads to transcription dysregulation and impaired cerebellar activity underlying autism-like behavior in mice. Nat Commun 2020; 11:5836. [PMID: 33203851 PMCID: PMC7673123 DOI: 10.1038/s41467-020-19577-0] [Citation(s) in RCA: 28] [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: 01/09/2020] [Accepted: 10/20/2020] [Indexed: 02/08/2023] Open
Abstract
Several genes implicated in autism spectrum disorder (ASD) are chromatin regulators, including POGZ. The cellular and molecular mechanisms leading to ASD impaired social and cognitive behavior are unclear. Animal models are crucial for studying the effects of mutations on brain function and behavior as well as unveiling the underlying mechanisms. Here, we generate a brain specific conditional knockout mouse model deficient for Pogz, an ASD risk gene. We demonstrate that Pogz deficient mice show microcephaly, growth impairment, increased sociability, learning and motor deficits, mimicking several of the human symptoms. At the molecular level, luciferase reporter assay indicates that POGZ is a negative regulator of transcription. In accordance, in Pogz deficient mice we find a significant upregulation of gene expression, most notably in the cerebellum. Gene set enrichment analysis revealed that the transcriptional changes encompass genes and pathways disrupted in ASD, including neurogenesis and synaptic processes, underlying the observed behavioral phenotype in mice. Physiologically, Pogz deficiency is associated with a reduction in the firing frequency of simple and complex spikes and an increase in amplitude of the inhibitory synaptic input in cerebellar Purkinje cells. Our findings support a mechanism linking heterochromatin dysregulation to cerebellar circuit dysfunction and behavioral abnormalities in ASD.
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Affiliation(s)
- Reut Suliman-Lavie
- Department of Genetics, The Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Ben Title
- Department of Neurobiology, The Institute of Life Sciences and Edmond & Lily Safra Center for Brain Sciences (ELSC), The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Yahel Cohen
- Department of Genetics, The Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Nanako Hamada
- Department of Molecular Neurobiology, Institute for Developmental Research, Aichi Developmental Disability Center, Kasugai, Japan
| | - Maayan Tal
- Department of Genetics, The Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Nitzan Tal
- Department of Genetics, The Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Galya Monderer-Rothkoff
- Department of Genetics, The Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Bjorg Gudmundsdottir
- Cellular and Molecular Therapeutics Branch, National Heart Lung and Blood Institutes (NHLBI)/National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Kristbjorn O Gudmundsson
- Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute at Frederick, Bldg. 560/12-70, 1050 Boyles Street, Frederick, MD, 21702, USA
- Basic Research Program, Leidos Biomedical Research Inc, Frederick National Laboratory for Cancer Research, Bldg. 560/32-31D, 1050 Boyles Street, Frederick, MD, 21702, USA
| | - Jonathan R Keller
- Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute at Frederick, Bldg. 560/12-70, 1050 Boyles Street, Frederick, MD, 21702, USA
- Basic Research Program, Leidos Biomedical Research Inc, Frederick National Laboratory for Cancer Research, Bldg. 560/32-31D, 1050 Boyles Street, Frederick, MD, 21702, USA
| | - Guo-Jen Huang
- Department and Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Koh-Ichi Nagata
- Department of Molecular Neurobiology, Institute for Developmental Research, Aichi Developmental Disability Center, Kasugai, Japan
- Department of Neurochemistry, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Yosef Yarom
- Department of Neurobiology, The Institute of Life Sciences and Edmond & Lily Safra Center for Brain Sciences (ELSC), The Hebrew University of Jerusalem, Jerusalem, Israel.
| | - Sagiv Shifman
- Department of Genetics, The Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel.
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19
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Guo X, Plank-Bazinet J, Krivega I, Dale RK, Dean A. Embryonic erythropoiesis and hemoglobin switching require transcriptional repressor ETO2 to modulate chromatin organization. Nucleic Acids Res 2020; 48:10226-10240. [PMID: 32960220 DOI: 10.1093/nar/gkaa736] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 08/19/2020] [Accepted: 09/18/2020] [Indexed: 11/14/2022] Open
Abstract
The underlying mechanism of transcriptional co-repressor ETO2 during early erythropoiesis and hemoglobin switching is unclear. We find that absence of ETO2 in mice interferes with down-regulation of PU.1 and GATA2 in the fetal liver, impeding a key step required for commitment to erythroid maturation. In human β-globin transgenic Eto2 null mice and in human CD34+ erythroid progenitor cells with reduced ETO2, loss of ETO2 results in ineffective silencing of embryonic/fetal globin gene expression, impeding hemoglobin switching during erythroid differentiation. ETO2 occupancy genome-wide occurs virtually exclusively at LDB1-complex binding sites in enhancers and ETO2 loss leads to increased enhancer activity and expression of target genes. ETO2 recruits the NuRD nucleosome remodeling and deacetylation complex to regulate histone acetylation and nucleosome occupancy in the β-globin locus control region and γ-globin gene. Loss of ETO2 elevates LDB1, MED1 and Pol II in the locus and facilitates fetal γ-globin/LCR looping and γ-globin transcription. Absence of the ETO2 hydrophobic heptad repeat region impairs ETO2-NuRD interaction and function in antagonizing γ-globin/LCR looping. Our results reveal a pivotal role for ETO2 in erythropoiesis and globin gene switching through its repressive role in the LDB1 complex, affecting the transcription factor and epigenetic environment and ultimately restructuring chromatin organization.
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Affiliation(s)
- Xiang Guo
- Laboratory of Cellular and Developmental Biology, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, 50 South Drive, Building 50, Room 3154, Bethesda, MD 20892, USA
| | - Jennifer Plank-Bazinet
- Laboratory of Cellular and Developmental Biology, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, 50 South Drive, Building 50, Room 3154, Bethesda, MD 20892, USA
| | - Ivan Krivega
- Laboratory of Cellular and Developmental Biology, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, 50 South Drive, Building 50, Room 3154, Bethesda, MD 20892, USA
| | - Ryan K Dale
- Laboratory of Cellular and Developmental Biology, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, 50 South Drive, Building 50, Room 3154, Bethesda, MD 20892, USA
| | - Ann Dean
- Laboratory of Cellular and Developmental Biology, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, 50 South Drive, Building 50, Room 3154, Bethesda, MD 20892, USA
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20
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BCL11A: a potential diagnostic biomarker and therapeutic target in human diseases. Biosci Rep 2020; 39:220893. [PMID: 31654056 PMCID: PMC6851505 DOI: 10.1042/bsr20190604] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 10/17/2019] [Accepted: 10/18/2019] [Indexed: 12/16/2022] Open
Abstract
Transcription factor B-cell lymphoma/leukemia 11A (BCL11A) gene encodes a zinc-finger protein that is predominantly expressed in brain and hematopoietic tissue. BCL11A functions mainly as a transcriptional repressor that is crucial in brain, hematopoietic system development, as well as fetal-to-adult hemoglobin switching. The expression of this gene is regulated by microRNAs, transcription factors and genetic variations. A number of studies have recently shown that BCL11A is involved in β-hemoglobinopathies, hematological malignancies, malignant solid tumors, 2p15-p16.1 microdeletion syndrome, and Type II diabetes. It has been suggested that BCL11A may be a potential prognostic biomarker and therapeutic target for some diseases. In this review, we summarize the current research state of BCL11A, including its biochemistry, expression, regulation, function, and its possible clinical application in human diseases.
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21
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Matsumura K, Seiriki K, Okada S, Nagase M, Ayabe S, Yamada I, Furuse T, Shibuya H, Yasuda Y, Yamamori H, Fujimoto M, Nagayasu K, Yamamoto K, Kitagawa K, Miura H, Gotoda-Nishimura N, Igarashi H, Hayashida M, Baba M, Kondo M, Hasebe S, Ueshima K, Kasai A, Ago Y, Hayata-Takano A, Shintani N, Iguchi T, Sato M, Yamaguchi S, Tamura M, Wakana S, Yoshiki A, Watabe AM, Okano H, Takuma K, Hashimoto R, Hashimoto H, Nakazawa T. Pathogenic POGZ mutation causes impaired cortical development and reversible autism-like phenotypes. Nat Commun 2020; 11:859. [PMID: 32103003 PMCID: PMC7044294 DOI: 10.1038/s41467-020-14697-z] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 01/28/2020] [Indexed: 01/26/2023] Open
Abstract
Pogo transposable element derived with ZNF domain (POGZ) has been identified as one of the most recurrently de novo mutated genes in patients with neurodevelopmental disorders (NDDs), including autism spectrum disorder (ASD), intellectual disability and White-Sutton syndrome; however, the neurobiological basis behind these disorders remains unknown. Here, we show that POGZ regulates neuronal development and that ASD-related de novo mutations impair neuronal development in the developing mouse brain and induced pluripotent cell lines from an ASD patient. We also develop the first mouse model heterozygous for a de novo POGZ mutation identified in a patient with ASD, and we identify ASD-like abnormalities in the mice. Importantly, social deficits can be treated by compensatory inhibition of elevated cell excitability in the mice. Our results provide insight into how de novo mutations on high-confidence ASD genes lead to impaired mature cortical network function, which underlies the cellular pathogenesis of NDDs, including ASD. De novo mutations significantly contribute to autism spectrum disorders (ASD). Here, the authors demonstrate that ASD-associated de novo mutations in the POGZ gene, one of a high-confidence ASD gene, lead to ASD-related impaired neuronal development and disrupted mature cortical network function.
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Affiliation(s)
- Kensuke Matsumura
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan.,Interdisciplinary Program for Biomedical Sciences, Institute for Transdisciplinary Graduate Degree Programs, Osaka University, Suita, Osaka, 565-0871, Japan.,Research Fellowships for Young Scientists of the Japan Society for the Promotion of Science, Chiyoda-ku, Tokyo, 102-0083, Japan
| | - Kaoru Seiriki
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan.,Interdisciplinary Program for Biomedical Sciences, Institute for Transdisciplinary Graduate Degree Programs, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Shota Okada
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Masashi Nagase
- Institute of Clinical Medicine and Research, Jikei University School of Medicine, Kashiwa, Chiba, 277-8567, Japan
| | - Shinya Ayabe
- Experimental Animal Division, RIKEN BioResource Research Center, Tsukuba, Ibaraki, 305-0074, Japan
| | - Ikuko Yamada
- Technology and Developmental Team for Mouse Phenotype Analysis, RIKEN BioResource Research Center, Tsukuba, Ibaraki, 305-0074, Japan
| | - Tamio Furuse
- Technology and Developmental Team for Mouse Phenotype Analysis, RIKEN BioResource Research Center, Tsukuba, Ibaraki, 305-0074, Japan
| | - Hirotoshi Shibuya
- Technology and Developmental Team for Mouse Phenotype Analysis, RIKEN BioResource Research Center, Tsukuba, Ibaraki, 305-0074, Japan
| | - Yuka Yasuda
- Department of Pathology of Mental Diseases, National Institute of Mental Health, National Center of Neurology and Psychiatry, Kodaira, Tokyo, 187-8553, Japan.,Life Grow Brilliant Clinic, Osaka, Osaka, 530-0012, Japan
| | - Hidenaga Yamamori
- Department of Pathology of Mental Diseases, National Institute of Mental Health, National Center of Neurology and Psychiatry, Kodaira, Tokyo, 187-8553, Japan.,Japan Community Health care Organization Osaka Hospital, Osaka, Osaka, 553-0003, Japan
| | - Michiko Fujimoto
- Department of Pathology of Mental Diseases, National Institute of Mental Health, National Center of Neurology and Psychiatry, Kodaira, Tokyo, 187-8553, Japan.,Department of Psychiatry, Graduate School of Medicine, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Kazuki Nagayasu
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Kana Yamamoto
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Kohei Kitagawa
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Hiroki Miura
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Nanaka Gotoda-Nishimura
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Hisato Igarashi
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Misuzu Hayashida
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Masayuki Baba
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Momoka Kondo
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Shigeru Hasebe
- Department of Pharmacology, Graduate School of Dentistry, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Kosei Ueshima
- Department of Pharmacology, Graduate School of Dentistry, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Atsushi Kasai
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Yukio Ago
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan.,Laboratory of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Atsuko Hayata-Takano
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan.,Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, Suita, Osaka, 565-0871, Japan
| | - Norihito Shintani
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Tokuichi Iguchi
- Department of Anatomy and Neuroscience, Graduate School of Medicine, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Makoto Sato
- Department of Anatomy and Neuroscience, Graduate School of Medicine, Osaka University, Suita, Osaka, 565-0871, Japan.,United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, Suita, Osaka, 565-0871, Japan.,Research Center for Child Mental Development, University of Fukui, Fukui, Fukui, 910-1193, Japan
| | - Shun Yamaguchi
- Department of Morphological Neuroscience, Gifu University Graduate School of Medicine, Gifu, 501-1194, Japan.,Center for Highly Advanced Integration of Nano and Life Sciences, Gifu University, Gifu, 501-1194, Japan
| | - Masaru Tamura
- Technology and Developmental Team for Mouse Phenotype Analysis, RIKEN BioResource Research Center, Tsukuba, Ibaraki, 305-0074, Japan
| | - Shigeharu Wakana
- Technology and Developmental Team for Mouse Phenotype Analysis, RIKEN BioResource Research Center, Tsukuba, Ibaraki, 305-0074, Japan.,Department of Gerontology, Institute of Biomedical Research and Innovation, Kobe, Hyogo, 650-0047, Japan
| | - Atsushi Yoshiki
- Experimental Animal Division, RIKEN BioResource Research Center, Tsukuba, Ibaraki, 305-0074, Japan
| | - Ayako M Watabe
- Institute of Clinical Medicine and Research, Jikei University School of Medicine, Kashiwa, Chiba, 277-8567, Japan
| | - Hideyuki Okano
- Department of Physiology, Keio University School of Medicine, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Kazuhiro Takuma
- Department of Pharmacology, Graduate School of Dentistry, Osaka University, Suita, Osaka, 565-0871, Japan.,Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, Suita, Osaka, 565-0871, Japan
| | - Ryota Hashimoto
- Department of Pathology of Mental Diseases, National Institute of Mental Health, National Center of Neurology and Psychiatry, Kodaira, Tokyo, 187-8553, Japan.,Osaka University, Suita, Osaka, 565-0871, Japan
| | - Hitoshi Hashimoto
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan. .,Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, Suita, Osaka, 565-0871, Japan. .,Division of Bioscience, Institute for Datability Science, Osaka University, Suita, Osaka, 565-0871, Japan. .,Transdimensional Life Imaging Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Osaka, 565-0871, Japan. .,Department of Molecular Pharmaceutical Science, Graduate School of Medicine, Osaka University, Suita, Osaka, 565-0871, Japan.
| | - Takanobu Nakazawa
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, 565-0871, Japan. .,Department of Pharmacology, Graduate School of Dentistry, Osaka University, Suita, Osaka, 565-0871, Japan.
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22
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Prenatal androgen exposure and transgenerational susceptibility to polycystic ovary syndrome. Nat Med 2019; 25:1894-1904. [DOI: 10.1038/s41591-019-0666-1] [Citation(s) in RCA: 172] [Impact Index Per Article: 34.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Accepted: 10/24/2019] [Indexed: 12/14/2022]
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23
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Zhao W, Quan Y, Wu H, Han L, Bai T, Ma L, Li B, Xun G, Ou J, Zhao J, Hu Z, Guo H, Xia K. POGZ de novo missense variants in neuropsychiatric disorders. Mol Genet Genomic Med 2019; 7:e900. [PMID: 31347273 PMCID: PMC6732319 DOI: 10.1002/mgg3.900] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 07/05/2019] [Accepted: 07/17/2019] [Indexed: 11/09/2022] Open
Abstract
Background De novo likely gene‐disrupting variants of POGZ cause autism spectrum disorder (ASD) and intellectual disability. However, de novo missense variants of this gene were not well explored in neuropsychiatric disorders. Methods The single‐molecule molecular inversion probes‐based targeted sequencing method was performed on the proband. Variant was validated using Sanger sequencing in both proband and parents. Immunoblot analysis was performed to examine the expression of POGZ in patient‐derived peripheral blood lymphocytes. Published POGZ de novo missense variants in neuropsychiatric disorders were reviewed. Results We detected a novel de novo missense variant in POGZ (c.1534C>A, p.H512N, NM_015100.4) in an individual with ASD. Immunoblot analysis revealed a dramatic reduction in POGZ protein in patient‐derived peripheral blood lymphocytes suggesting a loss‐of‐function mechanism of this de novo missense variant. In addition, we collected and annotated additional eight POGZ de novo missense variants identified in neuropsychiatric disorders from literatures. Conclusion Our findings will be beneficial to the functional analysis of POGZ in ASD pathogenesis, and for genetic counseling and clinical diagnosis of patients with POGZ de novo missense variants.
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Affiliation(s)
- Wenjing Zhao
- Center of Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China.,The First People's Hospital of Yunnan Province, Kunming, Yunnan, China
| | - Yingting Quan
- Center of Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Huidan Wu
- Center of Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Lin Han
- Center of Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Ting Bai
- Center of Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Linya Ma
- Center of Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Bin Li
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Guanglei Xun
- Mental Health Center of Shandong Province, Jinan, Shandong, China
| | - Jianjun Ou
- Mental Health Institute of the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jingping Zhao
- Mental Health Institute of the Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zhengmao Hu
- Center of Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Hui Guo
- Center of Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Animal Models for Human Diseases, Changsha, Hunan, China
| | - Kun Xia
- Center of Medical Genetics & Hunan Key Laboratory of Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China.,Key Laboratory of Medical Information Research, Central South University, Changsha, Hunan, China.,CAS Center for Excellence in Brain Science and Intelligences Technology (CEBSIT), Shanghai, China
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24
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Newton R, Wernisch L. A meta-analysis of multiple matched aCGH/expression cancer datasets reveals regulatory relationships and pathway enrichment of potential oncogenes. PLoS One 2019; 14:e0213221. [PMID: 31335867 PMCID: PMC6650054 DOI: 10.1371/journal.pone.0213221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 07/05/2019] [Indexed: 12/12/2022] Open
Abstract
The copy numbers of genes in cancer samples are often highly disrupted and form a natural amplification/deletion experiment encompassing multiple genes. Matched array comparative genomics and transcriptomics datasets from such samples can be used to predict inter-chromosomal gene regulatory relationships. Previously we published the database METAMATCHED, comprising the results from such an analysis of a large number of publically available cancer datasets. Here we investigate genes in the database which are unusual in that their copy number exhibits consistent heterogeneous disruption in a high proportion of the cancer datasets. We assess the potential relevance of these genes to the pathology of the cancer samples, in light of their predicted regulatory relationships and enriched biological pathways. A network-based method was used to identify enriched pathways from the genes’ inferred targets. The analysis predicts both known and new regulator-target interactions and pathway memberships. We examine examples in detail, in particular the gene POGZ, which is disrupted in many of the cancer datasets and has an unusually large number of predicted targets, from which the network analysis predicts membership of cancer related pathways. The results suggest close involvement in known cancer pathways of genes exhibiting consistent heterogeneous copy number disruption. Further experimental work would clarify their relevance to tumor biology. The results of the analysis presented in the database METAMATCHED, and included here as an R archive file, constitute a large number of predicted regulatory relationships and pathway memberships which we anticipate will be useful in informing such experiments.
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Affiliation(s)
- Richard Newton
- MRC Biostatistics Unit, Cambridge University, Cambridge, United Kingdom
- * E-mail:
| | - Lorenz Wernisch
- MRC Biostatistics Unit, Cambridge University, Cambridge, United Kingdom
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25
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King AJ, Higgs DR. Potential new approaches to the management of the Hb Bart's hydrops fetalis syndrome: the most severe form of α-thalassemia. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2018; 2018:353-360. [PMID: 30504332 PMCID: PMC6246003 DOI: 10.1182/asheducation-2018.1.353] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
The α-thalassemia trait, associated with deletions removing both α-globin genes from 1 chromosome (genotype ζ αα/ζ--), is common throughout Southeast Asia. Consequently, many pregnancies in couples of Southeast Asian origin carry a 1 in 4 risk of producing a fetus inheriting no functional α-globin genes (ζ--/ζ--), leading to hemoglobin (Hb) Bart's hydrops fetalis syndrome (BHFS). Expression of the embryonic α-globin genes (ζ-globin) is normally limited to the early stages of primitive erythropoiesis, and so when the ζ-globin genes are silenced, at ∼6 weeks of gestation, there should be no α-like globin chains to pair with the fetal γ-globin chains of Hb, which consequently form nonfunctional tetramers (γ4) known as Hb Bart's. When deletions leave the ζ-globin gene intact, a low level of ζ-globin gene expression continues in definitive erythroid cells, producing small amounts of Hb Portland (ζ2γ2), a functional form of Hb that allows the fetus to survive up to the second or third trimester. Untreated, all affected individuals die at these stages of development. Prevention is therefore of paramount importance. With improvements in early diagnosis, intrauterine transfusion, and advanced perinatal care, there are now a small number of individuals with BHFS who have survived, with variable outcomes. A deeper understanding of the mechanism underlying the switch from ζ- to α-globin expression could enable persistence or reactivation of embryonic globin synthesis in definitive cells, thereby providing new therapeutic options for such patients.
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Affiliation(s)
- Andrew J King
- Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, Oxford, United Kingdom
| | - Douglas R Higgs
- Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, Oxford, United Kingdom
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