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Mikheeva SA, Funk CC, Horner PJ, Rostomily RC, Mikheev AM. Novel TCF4:TCF12 heterodimer inhibits glioblastoma growth. Mol Oncol 2024; 18:517-527. [PMID: 37507199 PMCID: PMC10920085 DOI: 10.1002/1878-0261.13496] [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: 02/06/2023] [Revised: 06/15/2023] [Accepted: 07/24/2023] [Indexed: 07/30/2023] Open
Abstract
TWIST1 (TW) is a pro-oncogenic basic helix-loop-helix (bHLH) transcription factor and promotes the hallmark features of malignancy (e.g., cell invasion, cancer cell stemness, and treatment resistance), which contribute to poor prognoses of glioblastoma (GBM). We previously reported that specific TW dimerization motifs regulate unique cellular phenotypes in GBM. For example, the TW:E12 heterodimer increases periostin (POSTN) expression and promotes cell invasion. TW dimer-specific transcriptional regulation requires binding to the regulatory E-box consensus sequences, but alternative bHLH dimers that balance TW dimer activity in regulating pro-oncogenic TW target genes are unknown. We leveraged the ENCODE DNase I hypersensitivity data to identify E-box sites and tethered TW:E12 and TW:TW proteins to validate dimer binding to E-boxes in vitro. Subsequently, TW knockdown revealed a novel TCF4:TCF12 bHLH dimer occupying the same TW E-box site that, when expressed as a tethered TCF4:TCF12 dimer, markedly repressed POSTN expression and extended animal survival. These observations support TCF4:TCF12 as a novel dimer with tumor-suppressor activity in GBM that functions in part through displacement of and/or competitive inhibition of pro-oncogenic TW dimers at E-box sites.
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Affiliation(s)
- Svetlana A. Mikheeva
- Department of Neurosurgery, Center for NeuroregenerationHouston Methodist Research InstituteTexasUSA
| | - Cory C. Funk
- Institute for Systems BiologySeattleWashingtonUSA
| | - Philip J. Horner
- Department of Neurosurgery, Center for NeuroregenerationHouston Methodist Research InstituteTexasUSA
- Department of NeurosurgeryUniversity of WashingtonSeattleWashingtonUSA
- Institute for Stem Cell and Regenerative MedicineUniversity of WashingtonSeattleWashingtonUSA
| | - Robert C. Rostomily
- Department of Neurosurgery, Center for NeuroregenerationHouston Methodist Research InstituteTexasUSA
- Department of NeurosurgeryUniversity of WashingtonSeattleWashingtonUSA
- Institute for Stem Cell and Regenerative MedicineUniversity of WashingtonSeattleWashingtonUSA
| | - Andrei M. Mikheev
- Department of Neurosurgery, Center for NeuroregenerationHouston Methodist Research InstituteTexasUSA
- Department of NeurosurgeryUniversity of WashingtonSeattleWashingtonUSA
- Institute for Stem Cell and Regenerative MedicineUniversity of WashingtonSeattleWashingtonUSA
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Ang PS, Matrongolo MJ, Zietowski ML, Nathan SL, Reid RR, Tischfield MA. Cranium growth, patterning and homeostasis. Development 2022; 149:dev201017. [PMID: 36408946 PMCID: PMC9793421 DOI: 10.1242/dev.201017] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Craniofacial development requires precise spatiotemporal regulation of multiple signaling pathways that crosstalk to coordinate the growth and patterning of the skull with surrounding tissues. Recent insights into these signaling pathways and previously uncharacterized progenitor cell populations have refined our understanding of skull patterning, bone mineralization and tissue homeostasis. Here, we touch upon classical studies and recent advances with an emphasis on developmental and signaling mechanisms that regulate the osteoblast lineage for the calvaria, which forms the roof of the skull. We highlight studies that illustrate the roles of osteoprogenitor cells and cranial suture-derived stem cells for proper calvarial growth and homeostasis. We also discuss genes and signaling pathways that control suture patency and highlight how perturbing the molecular regulation of these pathways leads to craniosynostosis. Finally, we discuss the recently discovered tissue and signaling interactions that integrate skull and cerebrovascular development, and the potential implications for both cerebrospinal fluid hydrodynamics and brain waste clearance in craniosynostosis.
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Affiliation(s)
- Phillip S. Ang
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
- University of Chicago Pritzker School of Medicine, Chicago, IL 60637, USA
| | - Matt J. Matrongolo
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
- Child Health Institute of New Jersey, New Brunswick, NJ 08901, USA
| | | | - Shelby L. Nathan
- Laboratory of Craniofacial Biology and Development, Section of Plastic Surgery, Department of Surgery, University of Chicago Medicine, Chicago, IL 60637, USA
| | - Russell R. Reid
- Laboratory of Craniofacial Biology and Development, Section of Plastic Surgery, Department of Surgery, University of Chicago Medicine, Chicago, IL 60637, USA
| | - Max A. Tischfield
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
- Child Health Institute of New Jersey, New Brunswick, NJ 08901, USA
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Admoni-Elisha L, Elbaz T, Chopra A, Shapira G, Bedford M, Fry C, Shomron N, Biggar K, Feldman M, Levy D. TWIST1 methylation by SETD6 selectively antagonizes LINC-PINT expression in glioma. Nucleic Acids Res 2022; 50:6903-6918. [PMID: 35694846 PMCID: PMC9262621 DOI: 10.1093/nar/gkac485] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 05/16/2022] [Accepted: 05/30/2022] [Indexed: 12/24/2022] Open
Abstract
Gliomas are one of the most common and lethal brain tumors among adults. One process that contributes to glioma progression and recurrence is the epithelial to mesenchymal transition (EMT). EMT is regulated by a set of defined transcription factors which tightly regulate this process, among them is the basic helix-loop-helix family member, TWIST1. Here we show that TWIST1 is methylated on lysine-33 at chromatin by SETD6, a methyltransferase with expression levels correlating with poor survival in glioma patients. RNA-seq analysis in U251 glioma cells suggested that both SETD6 and TWIST1 regulate cell adhesion and migration processes. We further show that TWIST1 methylation attenuates the expression of the long-non-coding RNA, LINC-PINT, thereby promoting EMT in glioma. Mechanistically, TWIST1 methylation represses the transcription of LINC-PINT by increasing the occupancy of EZH2 and the catalysis of the repressive H3K27me3 mark at the LINC-PINT locus. Under un-methylated conditions, TWIST1 dissociates from the LINC-PINT locus, allowing the expression of LINC-PINT which leads to increased cell adhesion and decreased cell migration. Together, our findings unravel a new mechanistic dimension for selective expression of LINC-PINT mediated by TWIST1 methylation.
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Affiliation(s)
- Lee Admoni-Elisha
- The Shraga Segal Department of Microbiology, Immunology and Genetics, Faculty of Health Sciences, Ben-Gurion University of the Negev, 84105 Be'er-Sheva, Israel,National Institute for Biotechnology in the Negev, Ben-Gurion University of the Negev, P.O.B. 653, Be’er-Sheva 84105, Israel
| | - Tzofit Elbaz
- The Shraga Segal Department of Microbiology, Immunology and Genetics, Faculty of Health Sciences, Ben-Gurion University of the Negev, 84105 Be'er-Sheva, Israel,National Institute for Biotechnology in the Negev, Ben-Gurion University of the Negev, P.O.B. 653, Be’er-Sheva 84105, Israel
| | - Anand Chopra
- Carleton University, 1125 Colonel By Drive, Ottawa, Ontario K1S 5B6, Canada
| | - Guy Shapira
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel,Edmond J. Safra Center for Bioinformatics, Tel Aviv University, Tel Aviv, Israel
| | - Mark T Bedford
- Department of Carcinogenesis, M.D. Anderson Cancer Center, Houston, TX, USA
| | | | - Noam Shomron
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel,Edmond J. Safra Center for Bioinformatics, Tel Aviv University, Tel Aviv, Israel
| | - Kyle Biggar
- Carleton University, 1125 Colonel By Drive, Ottawa, Ontario K1S 5B6, Canada
| | - Michal Feldman
- The Shraga Segal Department of Microbiology, Immunology and Genetics, Faculty of Health Sciences, Ben-Gurion University of the Negev, 84105 Be'er-Sheva, Israel,National Institute for Biotechnology in the Negev, Ben-Gurion University of the Negev, P.O.B. 653, Be’er-Sheva 84105, Israel
| | - Dan Levy
- To whom correspondence should be addressed. Tel: +972 8 647 7251;
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