1
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Soussi G, Girdziusaite A, Jhanwar S, Palacio V, Notaro M, Sheth R, Zeller R, Zuniga A. TBX3 is essential for establishment of the posterior boundary of anterior genes and upregulation of posterior genes together with HAND2 during the onset of limb bud development. Development 2024; 151:dev202722. [PMID: 38828908 PMCID: PMC11190573 DOI: 10.1242/dev.202722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Accepted: 04/26/2024] [Indexed: 06/05/2024]
Abstract
During limb bud formation, axis polarities are established as evidenced by the spatially restricted expression of key regulator genes. In particular, the mutually antagonistic interaction between the GLI3 repressor and HAND2 results in distinct and non-overlapping anterior-distal Gli3 and posterior Hand2 expression domains. This is a hallmark of the establishment of antero-posterior limb axis polarity, together with spatially restricted expression of homeodomain and other transcriptional regulators. Here, we show that TBX3 is required for establishment of the posterior expression boundary of anterior genes in mouse limb buds. ChIP-seq and differential gene expression analysis of wild-type and mutant limb buds identifies TBX3-specific and shared TBX3-HAND2 target genes. High sensitivity fluorescent whole-mount in situ hybridisation shows that the posterior expression boundaries of anterior genes are positioned by TBX3-mediated repression, which excludes anterior genes such as Gli3, Alx4, Hand1 and Irx3/5 from the posterior limb bud mesenchyme. This exclusion delineates the posterior mesenchymal territory competent to establish the Shh-expressing limb bud organiser. In turn, HAND2 is required for Shh activation and cooperates with TBX3 to upregulate shared posterior identity target genes in early limb buds.
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Affiliation(s)
- Geoffrey Soussi
- Developmental Genetics, Department of Biomedicine, University of Basel, 4058 Basel, Switzerland
| | - Ausra Girdziusaite
- Developmental Genetics, Department of Biomedicine, University of Basel, 4058 Basel, Switzerland
| | - Shalu Jhanwar
- Developmental Genetics, Department of Biomedicine, University of Basel, 4058 Basel, Switzerland
| | - Victorio Palacio
- Developmental Genetics, Department of Biomedicine, University of Basel, 4058 Basel, Switzerland
| | | | - Rushikesh Sheth
- Developmental Genetics, Department of Biomedicine, University of Basel, 4058 Basel, Switzerland
| | - Rolf Zeller
- Developmental Genetics, Department of Biomedicine, University of Basel, 4058 Basel, Switzerland
| | - Aimée Zuniga
- Developmental Genetics, Department of Biomedicine, University of Basel, 4058 Basel, Switzerland
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2
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Aukema SM, de Geus CM, Robben SGF, van Kaam KJAF, Staal HM, Witlox AM, de la Haye NAJ, Klaassens M, Coumans A, Stegmann APA, Paley D, Stumpel CTRM. Tibia hemimelia in a patient with CHARGE syndrome: A rare but recurrent phenomenon. Am J Med Genet A 2021; 188:1000-1004. [PMID: 34894067 DOI: 10.1002/ajmg.a.62600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 11/21/2021] [Accepted: 11/28/2021] [Indexed: 11/05/2022]
Affiliation(s)
- Sietse M Aukema
- Department of Clinical Genetics, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Christa M de Geus
- Department of Clinical Genetics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Simon G F Robben
- Department of Radiology, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Kim J A F van Kaam
- Department of Clinical Genetics, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Heleen M Staal
- Department of Orthopaedics, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Adhiambo M Witlox
- Department of Orthopaedics, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Nicole A J de la Haye
- Department of Pediatrics, Maastricht University Medical Centre (MUMC+), Maastricht, The Netherlands
| | - Merel Klaassens
- Department of Pediatrics, Maastricht University Medical Centre (MUMC+), Maastricht, The Netherlands
| | - Audrey Coumans
- Department of Obstetrics and Gynaecology, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Alexander P A Stegmann
- Department of Clinical Genetics and GROW-School for Oncology & Developmental Biology, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Dror Paley
- Paley Orthopedic and Spine Institute, West Palm Beach, Florida, USA
| | - Constance T R M Stumpel
- Department of Clinical Genetics and GROW-School for Oncology & Developmental Biology, Maastricht University Medical Center+, Maastricht, The Netherlands
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3
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Tao H, Lambert JP, Yung TM, Zhu M, Hahn NA, Li D, Lau K, Sturgeon K, Puviindran V, Zhang X, Gong W, Chen XX, Anderson G, Garry DJ, Henkelman RM, Sun Y, Iulianella A, Kawakami Y, Gingras AC, Hui CC, Hopyan S. IRX3/5 regulate mitotic chromatid segregation and limb bud shape. Development 2020; 147:dev.180042. [PMID: 32907847 DOI: 10.1242/dev.180042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 08/25/2020] [Indexed: 01/19/2023]
Abstract
Pattern formation is influenced by transcriptional regulation as well as by morphogenetic mechanisms that shape organ primordia, although factors that link these processes remain under-appreciated. Here we show that, apart from their established transcriptional roles in pattern formation, IRX3/5 help to shape the limb bud primordium by promoting the separation and intercalation of dividing mesodermal cells. Surprisingly, IRX3/5 are required for appropriate cell cycle progression and chromatid segregation during mitosis, possibly in a nontranscriptional manner. IRX3/5 associate with, promote the abundance of, and share overlapping functions with co-regulators of cell division such as the cohesin subunits SMC1, SMC3, NIPBL and CUX1. The findings imply that IRX3/5 coordinate early limb bud morphogenesis with skeletal pattern formation.
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Affiliation(s)
- Hirotaka Tao
- Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Jean-Philippe Lambert
- Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, ON M5G 1X5, Canada
| | - Theodora M Yung
- Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Min Zhu
- Department of Mechanical and Industrial Engineering, University of Toronto, ON M5S 3G8, Canada
| | - Noah A Hahn
- Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Danyi Li
- Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Kimberly Lau
- Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Kendra Sturgeon
- Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Vijitha Puviindran
- Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Xiaoyun Zhang
- Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Wuming Gong
- Lillehei Heart Institute, University of Minnesota, Minneapolis, MN 55455, USA
| | - Xiao Xiao Chen
- Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Gregory Anderson
- Mouse Imaging Centre, Hospital for Sick Children, Toronto Centre for Phenogenomics, Department of Medical Biophysics, University of Toronto, Toronto, ON M5T 3H7, Canada
| | - Daniel J Garry
- Lillehei Heart Institute, University of Minnesota, Minneapolis, MN 55455, USA
| | - R Mark Henkelman
- Mouse Imaging Centre, Hospital for Sick Children, Toronto Centre for Phenogenomics, Department of Medical Biophysics, University of Toronto, Toronto, ON M5T 3H7, Canada
| | - Yu Sun
- Department of Mechanical and Industrial Engineering, University of Toronto, ON M5S 3G8, Canada
| | - Angelo Iulianella
- Department of Medical Neuroscience, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Yasuhiko Kawakami
- Department of Genetics, Cell Biology and Development, Stem Cell Institute, University of Minnesota, Minneapolis, MN 55455, USA
| | - Anne-Claude Gingras
- Lunenfeld-Tanenbaum Research Institute, Sinai Health System, Toronto, ON M5G 1X5, Canada.,Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Chi-Chung Hui
- Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada .,Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Sevan Hopyan
- Program in Developmental and Stem Cell Biology, Research Institute, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada .,Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada.,Division of Orthopaedic Surgery, Hospital for Sick Children and University of Toronto, Toronto M5G 1X8, Canada
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4
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Chen KQ, Tahara N, Anderson A, Kawakami H, Kawakami S, Nishinakamura R, Pandolfi PP, Kawakami Y. Development of the Proximal-Anterior Skeletal Elements in the Mouse Hindlimb Is Regulated by a Transcriptional and Signaling Network Controlled by Sall4. Genetics 2020; 215:129-141. [PMID: 32156750 PMCID: PMC7198279 DOI: 10.1534/genetics.120.303069] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 03/03/2020] [Indexed: 12/18/2022] Open
Abstract
The vertebrate limb serves as an experimental paradigm to study mechanisms that regulate development of the stereotypical skeletal elements. In this study, we simultaneously inactivated Sall4 using Hoxb6Cre and Plzf in mouse embryos, and found that their combined function regulates development of the proximal-anterior skeletal elements in hindlimbs. The Sall4; Plzf double knockout exhibits severe defects in the femur, tibia, and anterior digits, distinct defects compared to other allelic series of Sall4; Plzf We found that Sall4 regulates Plzf expression prior to hindlimb outgrowth. Further expression analysis indicated that Hox10 genes and GLI3 are severely downregulated in the Sall4; Plzf double knockout hindlimb bud. In contrast, PLZF expression is reduced but detectable in Sall4; Gli3 double knockout limb buds, and SALL4 is expressed in the Plzf; Gli3 double knockout limb buds. These results indicate that Plzf, Gli3, and Hox10 genes downstream of Sall4, regulate femur and tibia development. In the autopod, we show that Sall4 negatively regulates Hedgehog signaling, which allows for development of the most anterior digit. Collectively, our study illustrates genetic systems that regulate development of the proximal-anterior skeletal elements in hindlimbs.
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Affiliation(s)
| | - Naoyuki Tahara
- Department of Genetics, Cell Biology and Development
- Stem Cell Institute, Minneapolis, Minnesota 55455, and
- Developmental Biology Center, University of Minnesota, Minneapolis, Minnesota 55455
| | | | - Hiroko Kawakami
- Department of Genetics, Cell Biology and Development
- Stem Cell Institute, Minneapolis, Minnesota 55455, and
- Developmental Biology Center, University of Minnesota, Minneapolis, Minnesota 55455
| | - Sho Kawakami
- Department of Genetics, Cell Biology and Development
| | - Ryuichi Nishinakamura
- Department of Kidney Development, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan 860-0811
| | - Pier Paolo Pandolfi
- Cancer Research Institute, Beth Israel Deaconess Cancer Center, Department of Medicine and Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215
| | - Yasuhiko Kawakami
- Department of Genetics, Cell Biology and Development
- Stem Cell Institute, Minneapolis, Minnesota 55455, and
- Developmental Biology Center, University of Minnesota, Minneapolis, Minnesota 55455
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5
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Dynamic and self-regulatory interactions among gene regulatory networks control vertebrate limb bud morphogenesis. Curr Top Dev Biol 2020; 139:61-88. [DOI: 10.1016/bs.ctdb.2020.02.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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6
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Abstract
Thalidomide remains notorious as a result of the damage it caused to children born to mothers who used it to treat morning sickness between 1957 and 1961. The re-emergence of the drug to treat a range of conditions including erythema nodosum leprosum (a complication of leprosy) has led to a new generation of thalidomide damaged children being born in Brazil. Although thalidomide affects most of the developing tissues and organs of the body, the damage to the limbs is striking. Indeed phocomelia, the severe reduction or loss of the proximal long bones with retention of the distal hand/foot plate remains the stereotypical image of thalidomide. This review focuses on the type and range of damage thalidomide caused to the limbs, reviews current understanding of the mechanisms underlying thalidomide-induced limb malformations and outlines some of the challenges remaining in elucidating its teratogenicity.
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Affiliation(s)
- Neil Vargesson
- School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Aberdeen, UK
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7
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Genetic interaction between Gli3 and Ezh2 during limb pattern formation. Mech Dev 2018; 151:30-36. [PMID: 29729398 DOI: 10.1016/j.mod.2018.05.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 04/18/2018] [Accepted: 05/01/2018] [Indexed: 12/13/2022]
Abstract
Anteroposterior polarity of the early limb bud is essential for proper skeletal pattern formation. In order to establish anterior identity, hedgehog signalling needs to be repressed by GLI3 repressor activity, although the mechanism of repression is not well defined. Here we describe genetic interaction between Gli3 and Enhancer of Zeste 2 (Ezh2) that encodes the histone methyltransferase subunit of Polycomb Repressive Complex 2. Loss of anterior limb identity was evident in both Gli3 and conditional Ezh2 single mutant embryos. This phenotype was enhanced in Ezh2;Gli3 double mutant embryos, but more closely resembled that of Ezh2 single mutants. Absent anterior skeletal elements in the Ezh2 mutant background were not rescued by either reduction of Gli activator or forced expression of Gli repressor. The data imply that Ezh2 is epistatic to Gli3 and suggest the possibility that hedghehog activation is repressed by the recruitment of polycomb repressive complex 2.
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8
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Tahara N, Akiyama R, Theisen JWM, Kawakami H, Wong J, Garry DJ, Kawakami Y. Gata6 restricts Isl1 to the posterior of nascent hindlimb buds through Isl1 cis-regulatory modules. Dev Biol 2018; 434:74-83. [PMID: 29197504 PMCID: PMC5785445 DOI: 10.1016/j.ydbio.2017.11.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 11/07/2017] [Accepted: 11/25/2017] [Indexed: 01/30/2023]
Abstract
Isl1 is required for two processes during hindlimb development: initiation of the processes directing hindlimb development in the lateral plate mesoderm and configuring posterior hindlimb field in the nascent hindlimb buds. During these processes, Isl1 expression is restricted to the posterior mesenchyme of hindlimb buds. How this dynamic change in Isl1 expression is regulated remains unknown. We found that two evolutionarily conserved sequences, located 3' to the Isl1 gene, regulate LacZ transgene expression in the hindlimb-forming region in mouse embryos. Both sequences contain GATA binding motifs, and expression pattern analysis identified that Gata6 is expressed in the flank and the anterior portion of nascent hindlimb buds. Recent studies have shown that conditional inactivation of Gata6 in mice causes hindlimb-specific pre-axial polydactyly, indicating a role of Gata6 in anterior-posterior patterning of hindlimbs. We studied whether Gata6 restricts Isl1 in the nascent hindlimb bud through the cis-regulatory modules. In vitro experiments demonstrate that GATA6 binds to the conserved GATA motifs in the cis-regulatory modules. GATA6 repressed expression of a luciferase reporter that contains the cis-regulatory modules by synergizing with Zfpm2. Analyses of Gata6 mutant embryos showed that ISL1 levels are higher in the anterior of nascent hindlimb buds than in wild type. Moreover, we detected a greater number of Isl1-transcribing cells in the anterior of nascent hindlimb buds in Gata6 mutants. Our results support a model in which Gata6 contributes to repression of Isl1 expression in the anterior of nascent hindlimb buds.
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Affiliation(s)
- Naoyuki Tahara
- Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, MN, United States; Stem Cell Institute, University of Minnesota, Minneapolis, MN, United States
| | - Ryutaro Akiyama
- Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, MN, United States; Stem Cell Institute, University of Minnesota, Minneapolis, MN, United States
| | - Joshua W M Theisen
- Lillehei Heart Institute Regenerative Medicine and Sciences Program, University of Minnesota, Minneapolis, MN, United States
| | - Hiroko Kawakami
- Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, MN, United States; Stem Cell Institute, University of Minnesota, Minneapolis, MN, United States
| | - Julia Wong
- Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, MN, United States
| | - Daniel J Garry
- Stem Cell Institute, University of Minnesota, Minneapolis, MN, United States; Lillehei Heart Institute Regenerative Medicine and Sciences Program, University of Minnesota, Minneapolis, MN, United States; Paul and Sheila Wellstone Muscular Dystrophy Center, University of Minnesota, Minneapolis, MN, United States
| | - Yasuhiko Kawakami
- Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, MN, United States; Stem Cell Institute, University of Minnesota, Minneapolis, MN, United States.
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