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van Groningen T, Akogul N, Westerhout EM, Chan A, Hasselt NE, Zwijnenburg DA, Broekmans M, Stroeken P, Haneveld F, Hooijer GKJ, Savci-Heijink CD, Lakeman A, Volckmann R, van Sluis P, Valentijn LJ, Koster J, Versteeg R, van Nes J. A NOTCH feed-forward loop drives reprogramming from adrenergic to mesenchymal state in neuroblastoma. Nat Commun 2019; 10:1530. [PMID: 30948783 PMCID: PMC6449373 DOI: 10.1038/s41467-019-09470-w] [Citation(s) in RCA: 95] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 03/14/2019] [Indexed: 11/09/2022] Open
Abstract
Transition between differentiation states in development occurs swift but the mechanisms leading to epigenetic and transcriptional reprogramming are poorly understood. The pediatric cancer neuroblastoma includes adrenergic (ADRN) and mesenchymal (MES) tumor cell types, which differ in phenotype, super-enhancers (SEs) and core regulatory circuitries. These cell types can spontaneously interconvert, but the mechanism remains largely unknown. Here, we unravel how a NOTCH3 intracellular domain reprogrammed the ADRN transcriptional landscape towards a MES state. A transcriptional feed-forward circuitry of NOTCH-family transcription factors amplifies the NOTCH signaling levels, explaining the swift transition between two semi-stable cellular states. This transition induces genome-wide remodeling of the H3K27ac landscape and a switch from ADRN SEs to MES SEs. Once established, the NOTCH feed-forward loop maintains the induced MES state. In vivo reprogramming of ADRN cells shows that MES and ADRN cells are equally oncogenic. Our results elucidate a swift transdifferentiation between two semi-stable epigenetic cellular states.
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Affiliation(s)
- Tim van Groningen
- Department of Oncogenomics, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Nurdan Akogul
- Department of Oncogenomics, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Ellen M Westerhout
- Department of Oncogenomics, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Alvin Chan
- Department of Oncogenomics, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Nancy E Hasselt
- Department of Oncogenomics, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Danny A Zwijnenburg
- Department of Oncogenomics, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Marloes Broekmans
- Department of Oncogenomics, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Peter Stroeken
- Department of Oncogenomics, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Franciska Haneveld
- Department of Oncogenomics, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Gerrit K J Hooijer
- Department of Pathology, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - C Dilara Savci-Heijink
- Department of Pathology, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Arjan Lakeman
- Department of Oncogenomics, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Richard Volckmann
- Department of Oncogenomics, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Peter van Sluis
- Department of Oncogenomics, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Linda J Valentijn
- Department of Oncogenomics, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Jan Koster
- Department of Oncogenomics, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Rogier Versteeg
- Department of Oncogenomics, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Johan van Nes
- Department of Oncogenomics, Amsterdam UMC University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
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Gurczynski SJ, Zhou X, Flaherty M, Wilke CA, Moore BB. Bone marrow transplant-induced alterations in Notch signaling promote pathologic Th17 responses to γ-herpesvirus infection. Mucosal Immunol 2018; 11:881-893. [PMID: 29044226 PMCID: PMC5906203 DOI: 10.1038/mi.2017.85] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Accepted: 08/22/2017] [Indexed: 02/04/2023]
Abstract
Idiopathic pneumonia syndrome (IPS) is a common, often fatal, complication following hematopoietic stem cell transplantation (HSCT) characterized by severe pneumonitis and interstitial fibrosis. Fully reconstituted syngeneic bone marrow transplant (BMT) mice infected with murine γ-herpesvirus-68 develop interleukin-17 (IL-17)-driven pneumonitis and fibrosis, which mimics clinical manifestations of IPS. We found CD103+ and CD11b+ dendritic cells (DCs) are selectively deficient for the Notch ligand, DLL4, following BMT and CD4+ T cells isolated from lungs and spleens of infected BMT mice display Notch signaling defects. Mice transplanted with CD4-Cre-driven dominant-negative Notch transcriptional regulator Mastermind-Like (CD4-Cre-DNMAML (CCD) mice) bone marrow displayed elevated IL-17 and transforming growth factor-β (TGF β) in the lungs, a further expansion of T-helper type 17 (Th17) cells, and developed more fibrosis than wild-type (WT)-BMT mice. Culture of BMT lung leukocytes with recombinant Notch ligand, DLL4, restored Notch signaling and decreased production of IL-17. Adoptive transfer of CD11c+ DCs could restore Th1 and limit Th17 in WT-BMT but not CCD-BMT mice, indicating that a specific DC/CD4+ T-cell Notch interaction modulates IL-17 production following reconstitution in syngeneic BMT mice. Given recent clinical observations showing that patients with pulmonary complications post-transplant harbor occult herpesvirus infections, these data provide mechanistic insight and suggest potential therapies for these devastating conditions.
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Affiliation(s)
- Stephen J. Gurczynski
- Department of Internal Medicine, Pulmonary and Critical Care Medicine Division, University of Michigan, Ann Arbor, MI
| | - Xiaofeng Zhou
- Department of Internal Medicine, Pulmonary and Critical Care Medicine Division, University of Michigan, Ann Arbor, MI
| | - Melanie Flaherty
- Department of Internal Medicine, Pulmonary and Critical Care Medicine Division, University of Michigan, Ann Arbor, MI
| | - Carol A. Wilke
- Department of Internal Medicine, Pulmonary and Critical Care Medicine Division, University of Michigan, Ann Arbor, MI
| | - Bethany B. Moore
- Department of Internal Medicine, Pulmonary and Critical Care Medicine Division, University of Michigan, Ann Arbor, MI,Department of Microbiology and Immunology, University of Michigan, Ann Arbor, MI
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Meier-Abt F, Bentires-Alj M. How pregnancy at early age protects against breast cancer. Trends Mol Med 2013; 20:143-53. [PMID: 24355762 DOI: 10.1016/j.molmed.2013.11.002] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Revised: 11/17/2013] [Accepted: 11/18/2013] [Indexed: 12/11/2022]
Abstract
Pregnancy at an early age has a strong protective effect against breast cancer in humans and rodents. Postulated mechanisms underlying this phenomenon include alterations in the relative dynamics of hormone and growth factor-initiated cell fate-determining signaling pathways within the hierarchically organized mammary gland epithelium. Recent studies in epithelial cell subpopulations isolated from mouse and human mammary glands have shown that early pregnancy decreases the proportion of hormone receptor-positive cells and causes pronounced changes in gene expression as well as decreased proliferation in stem/progenitor cells. The changes include downregulation of Wnt and transforming growth factor β (TGFβ) signaling. These new findings highlight the importance of cell-cell interactions within the mammary gland epithelium in modulating cancer risk and provide potential targets for breast cancer prevention strategies.
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Affiliation(s)
- Fabienne Meier-Abt
- Mechanisms of Cancer, Friedrich Miescher Institute for Biomedical Research (FMI), Maulbeerstrasse 66, CH-4058 Basel, Switzerland; Faculty of Science, University of Basel, Klingelbergstrasse 50, CH-4056 Basel, Switzerland
| | - Mohamed Bentires-Alj
- Mechanisms of Cancer, Friedrich Miescher Institute for Biomedical Research (FMI), Maulbeerstrasse 66, CH-4058 Basel, Switzerland.
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Abstract
To date, 18 distinct receptor tyrosine kinases (RTKs) are reported to be trafficked from the cell surface to the nucleus in response to ligand binding or heterologous agonist exposure. In most cases, an intracellular domain (ICD) fragment of the receptor is generated at the cell surface and translocated to the nucleus, whereas for a few others the intact receptor is translocated to the nucleus. ICD fragments are generated by several mechanisms, including proteolysis, internal translation initiation, and messenger RNA (mRNA) splicing. The most prevalent mechanism is intramembrane cleavage by γ-secretase. In some cases, more than one mechanism has been reported for the nuclear localization of a specific RTK. The generation and use of RTK ICD fragments to directly communicate with the nucleus and influence gene expression parallels the production of ICD fragments by a number of non-RTK cell-surface molecules that also influence cell proliferation. This review will be focused on the individual RTKs and to a lesser extent on other growth-related cell-surface transmembrane proteins.
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Affiliation(s)
- Graham Carpenter
- Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, Tennessee 37232-0146
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Carpenter G, Pozzi A. Cell responses to growth factors: the role of receptor tyrosine kinase intracellular domain fragments. Sci Signal 2012; 5:pe42. [PMID: 23012654 DOI: 10.1126/scisignal.2003526] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Growth factor activation of receptor tyrosine kinases (RTKs) provokes well-described canonical second messenger pathways that transmit biochemical signals in the cytoplasm and to the nucleus to initiate cellular responses. The proteolytic liberation of intracellular domain fragments (ICDs) from activated RTKs and the nuclear translocation of these ICDs represent a more recently identified and noncanonical mechanism by which RTKs communicate with the nucleus. Several reports have added previously unknown facets to the ICD mechanism and have enlarged the scope of ICDs as second messengers.
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Affiliation(s)
- Graham Carpenter
- Department of Biochemistry, Vanderbilt University, Nashville, TN 37232, USA.
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Han J, Hendzel MJ, Allalunis-Turner J. Notch signaling as a therapeutic target for breast cancer treatment? Breast Cancer Res 2011; 13:210. [PMID: 21672271 PMCID: PMC3218932 DOI: 10.1186/bcr2875] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
Aberrant Notch signaling can induce mammary gland carcinoma in transgenic mice, and high expressions of Notch receptors and ligands have been linked to poor clinical outcomes in human patients with breast cancer. This suggests that inhibition of Notch signaling may be beneficial for breast cancer treatment. In this review, we critically evaluate the evidence that supports or challenges the hypothesis that inhibition of Notch signaling would be advantageous in breast cancer management. We find that there are many remaining uncertainties that must be addressed experimentally if we are to exploit inhibition of Notch signaling as a treatment approach in breast cancer. Nonetheless, Notch inhibition, in combination with other therapies, is a promising avenue for future management of breast cancer. Furthermore, since aberrant Notch4 activity can induce mammary gland carcinoma in the absence of RBPjκ, a better understanding of the components of RBPjκ-independent oncogenic Notch signaling pathways and their contribution to Notch-induced tumorigenesis would facilitate the deployment of Notch inhibition strategies for effective treatment of breast cancer.
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Affiliation(s)
- Jianxun Han
- Department of Oncology, University of Alberta, Cross Cancer Institute, Edmonton, Canada
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