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Yano-Sakamoto K, Kitai Y, Toriu N, Yamamoto S, Mizuta K, Saitou M, Tsukiyama T, Taniuchi I, Osato M, Yanagita M. Expression pattern of Runt-related transcription factor (RUNX) family members and the role of RUNX1 during kidney development. Biochem Biophys Res Commun 2024; 722:150155. [PMID: 38795454 DOI: 10.1016/j.bbrc.2024.150155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/19/2024] [Accepted: 05/21/2024] [Indexed: 05/28/2024]
Abstract
Runt-related transcription factor (RUNX) family members play critical roles in the development of multiple organs. Mammalian RUNX family members, consisting of RUNX1, RUNX2, and RUNX3, have distinct tissue-specific expression and function. In this study, we examined the spatiotemporal expression patterns of RUNX family members in developing kidneys and analyzed the role of RUNX1 during kidney development. In the developing mouse kidney, RUNX1 protein was strongly expressed in the ureteric bud (UB) tip and weakly expressed in the distal segment of the renal vesicle (RV), comma-shaped body (CSB), and S-shaped body (SSB). In contrast, RUNX2 protein was restricted to the stroma, and RUNX3 protein was only expressed in immune cells. We also analyzed the expression of RUNX family members in the cynomolgus monkey kidney. We found that expression patterns of RUNX2 and RUNX3 were conserved between rodents and primates, whereas RUNX1 was only expressed in the UB tip, not in the RV, CSB, or SSB of cynomolgus monkeys, suggesting a species differences. We further evaluated the roles of RUNX1 using two different conditional knockout mice: Runx1f/f:HoxB7-Cre and Runx1f/f:R26-CreERT2 and found no abnormalities in the kidney. Our findings showed that RUNX1, which is mainly expressed in the UB tip, is not essential for kidney development.
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Affiliation(s)
- Keiko Yano-Sakamoto
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan.
| | - Yuichiro Kitai
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan.
| | - Naoya Toriu
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan; Institute for the Advanced Study of Human Biology (ASHBi), Kyoto University, Kyoto, 606-8501, Japan.
| | - Shinya Yamamoto
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan.
| | - Ken Mizuta
- Institute for the Advanced Study of Human Biology (ASHBi), Kyoto University, Kyoto, 606-8501, Japan; Department of Anatomy and Cell Biology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8501, Japan.
| | - Mitinori Saitou
- Institute for the Advanced Study of Human Biology (ASHBi), Kyoto University, Kyoto, 606-8501, Japan; Department of Anatomy and Cell Biology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8501, Japan; Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, 606-8397, Japan.
| | - Tomoyuki Tsukiyama
- Institute for the Advanced Study of Human Biology (ASHBi), Kyoto University, Kyoto, 606-8501, Japan; Research Center for Animal Life Science, Shiga University of Medical Science, Shiga, 520-2192, Japan.
| | - Ichiro Taniuchi
- Laboratory for Transcriptional Regulation, RIKEN Center for Integrative Medical Sciences, Yokohama, 230-0045, Japan.
| | - Motomi Osato
- International Research Center for Medical Sciences, Kumamoto University, Kumamoto, 860-0811, Japan.
| | - Motoko Yanagita
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, 606-8507, Japan; Institute for the Advanced Study of Human Biology (ASHBi), Kyoto University, Kyoto, 606-8501, Japan.
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Hirose Y, Sato S, Hashiya K, Ooga M, Bando T, Sugiyama H. Chb-M', an Inhibitor of the RUNX Family Binding to DNA, Induces Apoptosis in p53-Mutated Non-Small Cell Lung Cancer and Inhibits Tumor Growth and Repopulation In Vivo. J Med Chem 2024; 67:9165-9172. [PMID: 38803164 DOI: 10.1021/acs.jmedchem.4c00315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Runt-related transcription factor (RUNX) proteins are considered to play various roles in cancer. Here, we evaluated the anticancer activity of Chb-M', a compound that specifically and covalently binds to the consensus sequence for RUNX family proteins, in p53-mutated non-small cell lung cancer cells. Chb-M' killed the cancer cells by inducing apoptosis. The compound showed an anticancer effect comparable to that of the clinically used drugs alectinib and ceritinib in vivo. Notably, Chb-M' extended the cancer-free survival of mice after ending treatment more effectively than did the other two drugs. The results presented here suggest that Chb-M' is an attractive candidate as an anticancer drug applicable to the treatment of non-small cell lung cancer and various other types of cancers.
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Affiliation(s)
- Yuki Hirose
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Shinsuke Sato
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Kaori Hashiya
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Mitsuharu Ooga
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Toshikazu Bando
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Hiroshi Sugiyama
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
- Institute for Integrated Cell-Material Science (WPI-iCeMS), Kyoto University, Sakyo, Kyoto 606-8501, Japan
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3
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Xing YZ, Guo HY, Xiang F, Li YH. Recent progress in hair follicle stem cell markers and their regulatory roles. World J Stem Cells 2024; 16:126-136. [PMID: 38455104 PMCID: PMC10915958 DOI: 10.4252/wjsc.v16.i2.126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/19/2023] [Accepted: 01/16/2024] [Indexed: 02/26/2024] Open
Abstract
Hair follicle stem cells (HFSCs) in the bulge are a multipotent adult stem cell population. They can periodically give rise to new HFs and even regenerate the epidermis and sebaceous glands during wound healing. An increasing number of biomarkers have been used to isolate, label, and trace HFSCs in recent years. Considering more detailed data from single-cell transcriptomics technology, we mainly focus on the important HFSC molecular markers and their regulatory roles in this review.
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Affiliation(s)
- Yi-Zhan Xing
- Department of Cell Biology, Army Medical University, Chongqing 400038, China
| | - Hai-Ying Guo
- Department of Cell Biology, Army Medical University, Chongqing 400038, China
| | - Fei Xiang
- Institute of Burn Research, Southwest Hospital, Army Medical University, Chongqing 400038, China
| | - Yu-Hong Li
- Department of Cell Biology, Army Medical University, Chongqing 400038, China.
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Zhang B, He P, Lawrence JEG, Wang S, Tuck E, Williams BA, Roberts K, Kleshchevnikov V, Mamanova L, Bolt L, Polanski K, Li T, Elmentaite R, Fasouli ES, Prete M, He X, Yayon N, Fu Y, Yang H, Liang C, Zhang H, Blain R, Chedotal A, FitzPatrick DR, Firth H, Dean A, Bayraktar OA, Marioni JC, Barker RA, Storer MA, Wold BJ, Zhang H, Teichmann SA. A human embryonic limb cell atlas resolved in space and time. Nature 2023:10.1038/s41586-023-06806-x. [PMID: 38057666 DOI: 10.1038/s41586-023-06806-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 10/31/2023] [Indexed: 12/08/2023]
Abstract
Human limbs emerge during the fourth post-conception week as mesenchymal buds, which develop into fully formed limbs over the subsequent months1. This process is orchestrated by numerous temporally and spatially restricted gene expression programmes, making congenital alterations in phenotype common2. Decades of work with model organisms have defined the fundamental mechanisms underlying vertebrate limb development, but an in-depth characterization of this process in humans has yet to be performed. Here we detail human embryonic limb development across space and time using single-cell and spatial transcriptomics. We demonstrate extensive diversification of cells from a few multipotent progenitors to myriad differentiated cell states, including several novel cell populations. We uncover two waves of human muscle development, each characterized by different cell states regulated by separate gene expression programmes, and identify musculin (MSC) as a key transcriptional repressor maintaining muscle stem cell identity. Through assembly of multiple anatomically continuous spatial transcriptomic samples using VisiumStitcher, we map cells across a sagittal section of a whole fetal hindlimb. We reveal a clear anatomical segregation between genes linked to brachydactyly and polysyndactyly, and uncover transcriptionally and spatially distinct populations of the mesenchyme in the autopod. Finally, we perform single-cell RNA sequencing on mouse embryonic limbs to facilitate cross-species developmental comparison, finding substantial homology between the two species.
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Affiliation(s)
- Bao Zhang
- The Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Peng He
- European Molecular Biology Laboratory, European Bioinformatics Institute (EMBL-EBI), Wellcome Genome Campus, Hinxton, UK
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - John E G Lawrence
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
- Department of Trauma and Orthopaedics, Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge, UK
| | - Shuaiyu Wang
- The Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
- Department of Obstetrics, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Elizabeth Tuck
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - Brian A Williams
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA
| | - Kenny Roberts
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | | | - Lira Mamanova
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
- Enhanc3D Genomics Ltd, Cambridge, UK
| | - Liam Bolt
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
- Genomics England, London, UK
| | | | - Tong Li
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - Rasa Elmentaite
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - Eirini S Fasouli
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
- Basic Research Center, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Martin Prete
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - Xiaoling He
- John van Geest Centre for Brain Repair, Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
| | - Nadav Yayon
- European Molecular Biology Laboratory, European Bioinformatics Institute (EMBL-EBI), Wellcome Genome Campus, Hinxton, UK
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - Yixi Fu
- The Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Hao Yang
- The Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Chen Liang
- The Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Hui Zhang
- Institute of Human Virology, Key Laboratory of Tropical Disease Control of Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Raphael Blain
- Sorbonne Université, INSERM, CNRS, Institut de la Vision, Paris, France
| | - Alain Chedotal
- Sorbonne Université, INSERM, CNRS, Institut de la Vision, Paris, France
- Institut de pathologie, groupe hospitalier Est, hospices civils de Lyon, Lyon, France
- University Claude Bernard Lyon 1, MeLiS, CNRS UMR5284, INSERM U1314, Lyon, France
| | | | - Helen Firth
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - Andrew Dean
- Department of Clinical Neurosciences, Cambridge University Hospitals NHS Foundation, Cambridge, UK
| | | | - John C Marioni
- European Molecular Biology Laboratory, European Bioinformatics Institute (EMBL-EBI), Wellcome Genome Campus, Hinxton, UK
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK
| | - Roger A Barker
- John van Geest Centre for Brain Repair, Department of Clinical Neurosciences, University of Cambridge, Cambridge, UK
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
| | - Mekayla A Storer
- Wellcome-MRC Cambridge Stem Cell Institute, University of Cambridge, Cambridge, UK
| | - Barbara J Wold
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA, USA
| | - Hongbo Zhang
- The Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.
- Advanced Medical Technology Center, the First Affiliated Hospital, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.
- Department of Histology and Embryology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.
| | - Sarah A Teichmann
- Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton, UK.
- Theory of Condensed Matter Group, Department of Physics, Cavendish Laboratory, University of Cambridge, Cambridge, UK.
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Rozen EJ, Ozeroff CD, Allen MA. RUN(X) out of blood: emerging RUNX1 functions beyond hematopoiesis and links to Down syndrome. Hum Genomics 2023; 17:83. [PMID: 37670378 PMCID: PMC10481493 DOI: 10.1186/s40246-023-00531-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 08/29/2023] [Indexed: 09/07/2023] Open
Abstract
BACKGROUND RUNX1 is a transcription factor and a master regulator for the specification of the hematopoietic lineage during embryogenesis and postnatal megakaryopoiesis. Mutations and rearrangements on RUNX1 are key drivers of hematological malignancies. In humans, this gene is localized to the 'Down syndrome critical region' of chromosome 21, triplication of which is necessary and sufficient for most phenotypes that characterize Trisomy 21. MAIN BODY Individuals with Down syndrome show a higher predisposition to leukemias. Hence, RUNX1 overexpression was initially proposed as a critical player on Down syndrome-associated leukemogenesis. Less is known about the functions of RUNX1 in other tissues and organs, although growing reports show important implications in development or homeostasis of neural tissues, muscle, heart, bone, ovary, or the endothelium, among others. Even less is understood about the consequences on these tissues of RUNX1 gene dosage alterations in the context of Down syndrome. In this review, we summarize the current knowledge on RUNX1 activities outside blood/leukemia, while suggesting for the first time their potential relation to specific Trisomy 21 co-occurring conditions. CONCLUSION Our concise review on the emerging RUNX1 roles in different tissues outside the hematopoietic context provides a number of well-funded hypotheses that will open new research avenues toward a better understanding of RUNX1-mediated transcription in health and disease, contributing to novel potential diagnostic and therapeutic strategies for Down syndrome-associated conditions.
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Affiliation(s)
- Esteban J Rozen
- Crnic Institute Boulder Branch, BioFrontiers Institute, University of Colorado Boulder, 3415 Colorado Ave., Boulder, CO, 80303, USA.
- Linda Crnic Institute for Down Syndrome, University of Colorado Anschutz Medical Campus, 12700 East 19th Avenue, Aurora, CO, 80045, USA.
| | - Christopher D Ozeroff
- Crnic Institute Boulder Branch, BioFrontiers Institute, University of Colorado Boulder, 3415 Colorado Ave., Boulder, CO, 80303, USA
- Linda Crnic Institute for Down Syndrome, University of Colorado Anschutz Medical Campus, 12700 East 19th Avenue, Aurora, CO, 80045, USA
- Department of Molecular, Cellular and Developmental Biology, University of Colorado Boulder, 1945 Colorado Ave., Boulder, CO, 80309, USA
| | - Mary Ann Allen
- Crnic Institute Boulder Branch, BioFrontiers Institute, University of Colorado Boulder, 3415 Colorado Ave., Boulder, CO, 80303, USA.
- Linda Crnic Institute for Down Syndrome, University of Colorado Anschutz Medical Campus, 12700 East 19th Avenue, Aurora, CO, 80045, USA.
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Zhang C, Wang D, Dowell R, Yi R. Single cell analysis of transcriptome and open chromatin reveals the dynamics of hair follicle stem cell aging. FRONTIERS IN AGING 2023; 4:1192149. [PMID: 37465120 PMCID: PMC10350644 DOI: 10.3389/fragi.2023.1192149] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 06/20/2023] [Indexed: 07/20/2023]
Abstract
Aging is defined as the functional decline of tissues and organisms, leading to many human conditions, such as cancer, neurodegenerative diseases, and hair loss. Although stem cell exhaustion is widely recognized as a hallmark of aging, our understanding of cell state changes-specifically, the dynamics of the transcriptome and open chromatin landscape, and their relationship with aging-remains incomplete. Here we present a longitudinal, single-cell atlas of the transcriptome and open chromatin landscape for epithelia cells of the skin across various hair cycle stages and ages in mice. Our findings reveal fluctuating hair follicle stem cell (HF-SC) states, some of which are associated with the progression of the hair cycle during aging. Conversely, inner bulge niche cells display a more linear progression, seemingly less affected by the hair cycle. Further analysis of the open chromatin landscape, determined by single-cell Assay for Transposase-Accessible Chromatin (ATAC) sequencing, demonstrates that reduced open chromatin regions in HF-SCs are associated with differentiation, whereas gained open chromatin regions in HF-SCs are linked to the transcriptional control of quiescence. These findings enhance our understanding of the transcriptional dynamics in HF-SC aging and lay the molecular groundwork for investigating and potentially reversing the aging process in future experimental studies.
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Affiliation(s)
- Chi Zhang
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Dongmei Wang
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
| | - Robin Dowell
- BioFrontiers Institute, University of Colorado Boulder, Boulder, CO, United States
| | - Rui Yi
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, IL, United States
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Li Y, Jin M, Gao Y, Lu L, Cao J, Liu Y, Chen Y, Wang X. Efficient establishment of an optimized culture condition for cashmere goat primary hair follicle stem cells. J Anim Sci 2023; 101:skad235. [PMID: 37429584 PMCID: PMC10370882 DOI: 10.1093/jas/skad235] [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: 05/10/2023] [Accepted: 07/06/2023] [Indexed: 07/12/2023] Open
Abstract
Hair follicle stem cells (HFSCs) are an important basis for hair follicle morphogenesis and hair cycle growth. This cell type also represents an excellent model for studying the gene function and molecular regulation of the hair growth cycle, including proliferation, differentiation, and apoptosis. Basically, the functional investigation of hair growth-regulating genes demands a sufficient amount of HFSCs. However, efficient propagation of HFSCs in goats is a challenging process under the current culture conditions. Here, we investigated the effect of four components, including the Rho-associated protein kinase (ROCK) inhibitor Y-27632, leukemia inhibitory factor (LIF), basic fibroblast growth factor (bFGF), and vitamin C, on cell growth and pluripotency in the basal culture medium (DMEM/F12 supplemented with 2% fetal bovine serum). We found that adding Y-27632, LIF, and bFGF independently increased the proliferation and pluripotency of goat HFSCs (gHFSCs), with Y-27632 having the most significant effect (P < 0.001). Fluorescence-activated cell sorting of the cell cycle revealed that Y-27632 promoted gHFSC proliferation by inducing the cell cycle from S to G2/M phase (P < 0.05). We further demonstrated that gHFSCs displayed superior proliferative capacity, clone-forming ability, and differentiation potential in the combined presence of Y-27632 (10 μM) and bFGF (10 ng/mL). We termed this novel culture condition as gHFEM, which stands for goat Hair Follicle Enhanced Medium. Taken together, these results indicate that gHFEM is an optimal condition for in vitro culture of gHFSCs, which will subsequently facilitate the study of HF growth and biology.
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Affiliation(s)
- Yan Li
- International Joint Agriculture Research Center for Animal Bio-Breeding, Ministry of Agriculture and Rural Affairs/Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Miaohan Jin
- International Joint Agriculture Research Center for Animal Bio-Breeding, Ministry of Agriculture and Rural Affairs/Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Yawei Gao
- International Joint Agriculture Research Center for Animal Bio-Breeding, Ministry of Agriculture and Rural Affairs/Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Lijin Lu
- International Joint Agriculture Research Center for Animal Bio-Breeding, Ministry of Agriculture and Rural Affairs/Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Jing Cao
- International Joint Agriculture Research Center for Animal Bio-Breeding, Ministry of Agriculture and Rural Affairs/Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
- Institute of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, CAS Key Laboratory of Primate Neurobiology, State Key Laboratory of Neuroscience, Chinese Academy of Sciences, Shanghai 200031, China
| | - Yao Liu
- International Joint Agriculture Research Center for Animal Bio-Breeding, Ministry of Agriculture and Rural Affairs/Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Yulin Chen
- International Joint Agriculture Research Center for Animal Bio-Breeding, Ministry of Agriculture and Rural Affairs/Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
- Key Laboratory of Livestock Biology, Northwest A&F University, Yangling 712100, China
| | - Xiaolong Wang
- International Joint Agriculture Research Center for Animal Bio-Breeding, Ministry of Agriculture and Rural Affairs/Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
- Key Laboratory of Livestock Biology, Northwest A&F University, Yangling 712100, China
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8
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The roles of Runx1 in skeletal development and osteoarthritis: A concise review. Heliyon 2022; 8:e12656. [PMID: 36636224 PMCID: PMC9830174 DOI: 10.1016/j.heliyon.2022.e12656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 07/12/2022] [Accepted: 12/19/2022] [Indexed: 12/26/2022] Open
Abstract
Runt-related transcription factor-1 (Runx1) is well known for its functions in hematopoiesis and leukemia but recent research has focused on its role in skeletal development and osteoarthritis (OA). Deficiency of the Runx1 gene is fatal in early embryonic development, and specific knockout of Runx1 in cell lineages of cartilage and bone leads to delayed cartilage formation and impaired bone calcification. Runx1 can regulate genes including collagen type II (Col2a1) and X (Col10a1), SRY-box transcription factor 9 (Sox9), aggrecan (Acan) and matrix metalloproteinase 13 (MMP-13), and the up-regulation of Runx1 improves the homeostasis of the whole joint, even in the pathological state. Moreover, Runx1 is activated as a response to mechanical compression, but impaired in the joint with the pathological progress associated with osteoarthritis. Therefore, interpretation about the role of Runx1 could enlarge our understanding of key marker genes in the skeletal development and an increased understanding of Runx1 could be helpful to identify treatments for osteoarthritis. This review provides the most up-to-date advances in the roles and bio-mechanisms of Runx1 in healthy joints and osteoarthritis from all currently published articles and gives novel insights in therapeutic approaches to OA based on Runx1.
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9
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RUNX Proteins as Epigenetic Modulators in Cancer. Cells 2022; 11:cells11223687. [PMID: 36429115 PMCID: PMC9688118 DOI: 10.3390/cells11223687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/11/2022] [Accepted: 10/27/2022] [Indexed: 11/22/2022] Open
Abstract
RUNX proteins are highly conserved in metazoans and perform critical functions during development. Dysregulation of RUNX proteins through various molecular mechanisms facilitates the development and progression of various cancers, where different RUNX proteins show tumor type-specific functions and regulate different aspects of tumorigenesis by cross-talking with different signaling pathways such as Wnt, TGF-β, and Hippo. Molecularly, they could serve as transcription factors (TFs) to activate their direct target genes or interact with many other TFs to modulate chromatin architecture globally. Here, we review the current knowledge on the functions and regulations of RUNX proteins in different cancer types and highlight their potential role as epigenetic modulators in cancer.
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10
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Zhou X, Bao P, Zhang X, Guo X, Liang C, Chu M, Wu X, Yan P. Genome-wide detection of RNA editing events during the hair follicles cycle of Tianzhu white yak. BMC Genomics 2022; 23:737. [PMID: 36316632 PMCID: PMC9624038 DOI: 10.1186/s12864-022-08951-5] [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: 04/08/2022] [Accepted: 10/18/2022] [Indexed: 11/06/2022] Open
Abstract
BACKGROUND The hair coat is available for the yak to live in the harsh environment of the plateau. Besides, improving the hair production of yak is necessary for its textile industry development. Hair grows from hair follicles (HFs). The HFs undergo periodic growth after birth and are regulated by the complex gene regulatory network. However, the molecular mechanism of HFs regeneration in the Tianzhu white yak remains unclear. RNA editing is a post-transcriptional mechanism that regulates gene expression and produces new transcripts. Hence, we investigated the influence of the A-to-I RNA editing events on the HFs cycle of the Tianzhu white yak. RESULTS We finally identified 54,707 adenosine-to-inosine (A-to-I) RNA editing sites (RESs) from RNA sequencing data of the HFs cycle in the Tianzhu white yak. Annotation results showed RESs caused missense amino acid changes in 7 known genes. And 202 A-to-I editing sites altered 23 target genes of 140 microRNAs. A total of 1,722 differential RESs were identified during the HFs cycle of Tianzhu white yak. GO and KEGG enrichment analysis revealed several signaling pathways and GO terms involved skin development, hair growth, and HFs cycle. Such as genes with differential RNA editing levels were significantly enriched in the peroxisome, metabolic pathways, Notch signaling pathway, and PPAR signaling pathway. Besides, the editing sites in HFs development-related genes FAS, APCDD1, WWOX, MPZL3, RUNX1, KANK2, DCN, DSC2, LEPR, HEPHL1, and PTK2B were suggested as the potential RESs involving HFs development. CONCLUSION This study investigated the global A-to-I RNA editing events during the HFs cycle of yak skin tissue and expanded the knowledge of A-to-I RNA editing on the HFs cycle. Furthermore, this study revealed that RNA editing-influenced genes may regulate the HFs cycle by participating in the HFs development-related pathways. The findings might provide new insight into the regulation of RNA editing in hair growth.
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Affiliation(s)
- Xuelan Zhou
- grid.418524.e0000 0004 0369 6250Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, 730050 Lanzhou, P.R. China ,grid.410727.70000 0001 0526 1937Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, 730050 Lanzhou, P.R. China
| | - Pengjia Bao
- grid.418524.e0000 0004 0369 6250Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, 730050 Lanzhou, P.R. China ,grid.410727.70000 0001 0526 1937Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, 730050 Lanzhou, P.R. China
| | - Xiaolan Zhang
- grid.418524.e0000 0004 0369 6250Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, 730050 Lanzhou, P.R. China ,grid.410727.70000 0001 0526 1937Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, 730050 Lanzhou, P.R. China
| | - Xian Guo
- grid.418524.e0000 0004 0369 6250Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, 730050 Lanzhou, P.R. China ,grid.410727.70000 0001 0526 1937Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, 730050 Lanzhou, P.R. China
| | - Chunnian Liang
- grid.418524.e0000 0004 0369 6250Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, 730050 Lanzhou, P.R. China ,grid.410727.70000 0001 0526 1937Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, 730050 Lanzhou, P.R. China
| | - Min Chu
- grid.418524.e0000 0004 0369 6250Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, 730050 Lanzhou, P.R. China ,grid.410727.70000 0001 0526 1937Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, 730050 Lanzhou, P.R. China
| | - Xiaoyun Wu
- grid.418524.e0000 0004 0369 6250Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, 730050 Lanzhou, P.R. China ,grid.410727.70000 0001 0526 1937Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, 730050 Lanzhou, P.R. China
| | - Ping Yan
- grid.418524.e0000 0004 0369 6250Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, 730050 Lanzhou, P.R. China ,grid.410727.70000 0001 0526 1937Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, 730050 Lanzhou, P.R. China
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11
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Hattori EY, Masuda T, Mineharu Y, Mikami M, Terada Y, Matsui Y, Kubota H, Matsuo H, Hirata M, Kataoka TR, Nakahata T, Ikeda S, Miyamoto S, Sugiyama H, Arakawa Y, Kamikubo Y. A RUNX-targeted gene switch-off approach modulates the BIRC5/PIF1-p21 pathway and reduces glioblastoma growth in mice. Commun Biol 2022; 5:939. [PMID: 36085167 PMCID: PMC9463152 DOI: 10.1038/s42003-022-03917-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Accepted: 08/30/2022] [Indexed: 11/14/2022] Open
Abstract
Glioblastoma is the most common adult brain tumour, representing a high degree of malignancy. Transcription factors such as RUNX1 are believed to be involved in the malignancy of glioblastoma. RUNX1 functions as an oncogene or tumour suppressor gene with diverse target genes. Details of the effects of RUNX1 on the acquisition of malignancy in glioblastoma remain unclear. Here, we show that RUNX1 downregulates p21 by enhancing expressions of BIRC5 and PIF1, conferring anti-apoptotic properties on glioblastoma. A gene switch-off therapy using alkylating agent-conjugated pyrrole-imidazole polyamides, designed to fit the RUNX1 DNA groove, decreased expression levels of BIRC5 and PIF1 and induced apoptosis and cell cycle arrest via p21. The RUNX1-BIRC5/PIF1-p21 pathway appears to reflect refractory characteristics of glioblastoma and thus holds promise as a therapeutic target. RUNX gene switch-off therapy may represent a novel treatment for glioblastoma. Interfering with RUNX family proteins reduces glioblastoma growth in mice and reveals pathways involved in the maintenance of tumour growth.
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12
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Wang X, Liu Y, He J, Wang J, Chen X, Yang R. Regulation of signaling pathways in hair follicle stem cells. BURNS & TRAUMA 2022; 10:tkac022. [PMID: 35795256 PMCID: PMC9250793 DOI: 10.1093/burnst/tkac022] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 02/07/2022] [Indexed: 11/21/2022]
Abstract
Hair follicle stem cells (HFSCs) reside in the bulge region of the outer root sheath of the hair follicle. They are considered slow-cycling cells that are endowed with multilineage differentiation potential and superior proliferative capacity. The normal morphology and periodic growth of HFSCs play a significant role in normal skin functions, wound repair and skin regeneration. The HFSCs involved in these pathophysiological processes are regulated by a series of cell signal transduction pathways, such as lymphoid enhancer factor/T-cell factor, Wnt/β-catenin, transforming growth factor-β/bone morphogenetic protein, Notch and Hedgehog. The mechanisms of the interactions among these signaling pathways and their regulatory effects on HFSCs have been previously studied, but many mechanisms are still unclear. This article reviews the regulation of hair follicles, HFSCs and related signaling pathways, with the aims of summarizing previous research results, revealing the regulatory mechanisms of HFSC proliferation and differentiation and providing important references and new ideas for treating clinical diseases.
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Affiliation(s)
| | | | - Jia He
- Department of Burn Surgery, The First People’s Hospital of Foshan, Foshan 528000, China
| | - Jingru Wang
- Department of Burn Surgery, The First People’s Hospital of Foshan, Foshan 528000, China
| | - Xiaodong Chen
- Correspondence. Xiaodong Chen, E-mail: ; Ronghua Yang,
| | - Ronghua Yang
- Correspondence. Xiaodong Chen, E-mail: ; Ronghua Yang,
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13
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Sunkara RR, Mehta D, Sarate RM, Waghmare SK. BMP-AKT-GSK3β signalling restores hair follicle stem cells decrease associated with loss of Sfrp1. Stem Cells 2022; 40:802-817. [PMID: 35689817 DOI: 10.1093/stmcls/sxac041] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 04/05/2022] [Indexed: 11/15/2022]
Abstract
Wnt signaling plays a pivotal role in regulating activation, proliferation, stem cell renewal and differentiation of hair follicle stem cells (HFSCs). Secreted frizzled related protein-1 (Sfrp1), a Wnt antagonist is up regulated in the HFSCs; however, its role in the HFSCs regulation is still obscure. Here, we show that Sfrp1 loss showed a depletion of HFSCs, enhanced HFSC proliferation and faster hair follicle cycle at PD21 to PD28, HFSC markers such as Lgr5 and Axin2 were decreased in both the Sfrp1 +/- and Sfrp1 -/- HFSCs. In addition, the second hair follicle cycle was also faster as compared to WT. Importantly, Sfrp1 -/- showed a restoration of HFSC by 2 nd telogen (PD49), while Sfrp1+/- did not show restoration with still having a decreased HFSC. Infact, restoration of HFSCs was due to a pronounced down-regulation of β-CATENIN activity mediated through a cross-talk of BMP-AKT-GSK3β signalling in Sfrp1-/- as compared to Sfrp1+/-, where down regulation was less pronounced. In cultured keratinocytes, Sfrp1 loss resulted in enhanced proliferation and clonogenicity, which were reversed by treating with either BMPR1A or GSK3β inhibitor thereby confirming BMP-AKT-GSK3β signaling involved in β-CATENIN regulation in both the Sfrp1 +/- and Sfrp1 -/- mice. Our study reveals a novel function of Sfrp1 by unravelling an in vivo molecular mechanism that regulate the HFSCs pool mediated through a hitherto unknown cross-talk of BMP-AKT-GSK3β signalling that maintain stem cell pool balance, which in turn maintain skin tissue homeostasis.
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Affiliation(s)
- Raghava R Sunkara
- Stem Cell Biology Group, Waghmare Lab, Cancer Research Institute, Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Kharghar, Navi Mumbai, Maharashtra, India.,Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai, India
| | - Darshan Mehta
- Stem Cell Biology Group, Waghmare Lab, Cancer Research Institute, Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Kharghar, Navi Mumbai, Maharashtra, India.,Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai, India
| | - Rahul M Sarate
- Stem Cell Biology Group, Waghmare Lab, Cancer Research Institute, Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Kharghar, Navi Mumbai, Maharashtra, India.,Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai, India
| | - Sanjeev K Waghmare
- Stem Cell Biology Group, Waghmare Lab, Cancer Research Institute, Advanced Centre for Treatment Research and Education in Cancer (ACTREC), Tata Memorial Centre, Kharghar, Navi Mumbai, Maharashtra, India.,Homi Bhabha National Institute, Training School Complex, Anushakti Nagar, Mumbai, India
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14
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HPV8 Reverses the Transcriptional Output in Lrig1 Positive Cells to Drive Skin Tumorigenesis. Cancers (Basel) 2022; 14:cancers14071662. [PMID: 35406439 PMCID: PMC8997052 DOI: 10.3390/cancers14071662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/18/2022] [Accepted: 03/23/2022] [Indexed: 11/17/2022] Open
Abstract
K14-HPV8-CER transgenic mice express the complete early genome region of human papillomavirus type 8 (HPV8) and develop skin tumours attributed to the expansion of the Lrig1+ stem cell population. The correlation between HPV8-induced changes in transcriptional output in the stem cell compartment remains poorly understood. To further understand the oncogenic pathways underlying skin tumour formation we examined the gene expression network in skin tumours of K14-HPV8-CER mice and compared the differentially expressed genes (DEG) with those of the Lrig1-EGFP-ires-CreERT2 mice. Here, we report 397 DEGs in skin tumours of K14-HPV8-CER mice, of which 181 genes were up- and 216 were down-regulated. Gene ontology and KEGG pathway enrichment analyses suggest that the 397 DEGs are acting in signalling pathways known to be involved in skin homeostasis. Interestingly, we found that HPV8 early gene expression subverts the expression pattern of 23 cellular genes known to be expressed in Lrig1+ keratinocytes. Furthermore, we identified putative upstream regulating transcription factors as well as miRNAs in the control of these genes. These data provide strong evidence that HPV8 mediated transcriptional changes may contribute to skin tumorigenesis, offering new insights into the mechanism of HPV8 driven oncogenesis.
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15
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Tran A, Yang P, Yang JYH, Ormerod JT. scREMOTE: Using multimodal single cell data to predict regulatory gene relationships and to build a computational cell reprogramming model. NAR Genom Bioinform 2022; 4:lqac023. [PMID: 35300460 PMCID: PMC8923006 DOI: 10.1093/nargab/lqac023] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 02/22/2022] [Accepted: 03/10/2022] [Indexed: 11/12/2022] Open
Abstract
Cell reprogramming offers a potential treatment to many diseases, by regenerating specialized somatic cells. Despite decades of research, discovering the transcription factors that promote cell reprogramming has largely been accomplished through trial and error, a time-consuming and costly method. A computational model for cell reprogramming, however, could guide the hypothesis formulation and experimental validation, to efficiently utilize time and resources. Current methods often cannot account for the heterogeneity observed in cell reprogramming, or they only make short-term predictions, without modelling the entire reprogramming process. Here, we present scREMOTE, a novel computational model for cell reprogramming that leverages single cell multiomics data, enabling a more holistic view of the regulatory mechanisms at cellular resolution. This is achieved by first identifying the regulatory potential of each transcription factor and gene to uncover regulatory relationships, then a regression model is built to estimate the effect of transcription factor perturbations. We show that scREMOTE successfully predicts the long-term effect of overexpressing two key transcription factors in hair follicle development by capturing higher-order gene regulations. Together, this demonstrates that integrating the multimodal processes governing gene regulation creates a more accurate model for cell reprogramming with significant potential to accelerate research in regenerative medicine.
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Affiliation(s)
- Andy Tran
- School of Mathematics and Statistics, The University of Sydney, Camperdown NSW 2006, Australia
- Charles Perkins Centre, The University of Sydney, Camperdown NSW 2006, Australia
| | - Pengyi Yang
- School of Mathematics and Statistics, The University of Sydney, Camperdown NSW 2006, Australia
- Charles Perkins Centre, The University of Sydney, Camperdown NSW 2006, Australia
- Children's Medical Research Institute, Westmead NSW 2145, Australia
| | - Jean Y H Yang
- School of Mathematics and Statistics, The University of Sydney, Camperdown NSW 2006, Australia
- Charles Perkins Centre, The University of Sydney, Camperdown NSW 2006, Australia
| | - John T Ormerod
- School of Mathematics and Statistics, The University of Sydney, Camperdown NSW 2006, Australia
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16
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Trinh BQ, Ummarino S, Zhang Y, Ebralidze AK, Bassal MA, Nguyen TM, Heller G, Coffey R, Tenen DE, van der Kouwe E, Fabiani E, Gurnari C, Wu CS, Angarica VE, Yang H, Chen S, Zhang H, Thurm AR, Marchi F, Levantini E, Staber PB, Zhang P, Voso MT, Pandolfi PP, Kobayashi SS, Chai L, Di Ruscio A, Tenen DG. Myeloid lncRNA LOUP mediates opposing regulatory effects of RUNX1 and RUNX1-ETO in t(8;21) AML. Blood 2021; 138:1331-1344. [PMID: 33971010 PMCID: PMC8525335 DOI: 10.1182/blood.2020007920] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 04/18/2021] [Indexed: 11/20/2022] Open
Abstract
The mechanism underlying cell type-specific gene induction conferred by ubiquitous transcription factors as well as disruptions caused by their chimeric derivatives in leukemia is not well understood. Here, we investigate whether RNAs coordinate with transcription factors to drive myeloid gene transcription. In an integrated genome-wide approach surveying for gene loci exhibiting concurrent RNA and DNA interactions with the broadly expressed Runt-related transcription factor 1 (RUNX1), we identified the long noncoding RNA (lncRNA) originating from the upstream regulatory element of PU.1 (LOUP). This myeloid-specific and polyadenylated lncRNA induces myeloid differentiation and inhibits cell growth, acting as a transcriptional inducer of the myeloid master regulator PU.1. Mechanistically, LOUP recruits RUNX1 to both the PU.1 enhancer and the promoter, leading to the formation of an active chromatin loop. In t(8;21) acute myeloid leukemia (AML), wherein RUNX1 is fused to ETO, the resulting oncogenic fusion protein, RUNX1-ETO, limits chromatin accessibility at the LOUP locus, causing inhibition of LOUP and PU.1 expression. These findings highlight the important role of the interplay between cell-type-specific RNAs and transcription factors, as well as their oncogenic derivatives in modulating lineage-gene activation and raise the possibility that RNA regulators of transcription factors represent alternative targets for therapeutic development.
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Affiliation(s)
- Bon Q Trinh
- Harvard Medical School Initiative for RNA Medicine, Harvard Medical School, Boston, MA
| | - Simone Ummarino
- Harvard Medical School Initiative for RNA Medicine, Harvard Medical School, Boston, MA
| | - Yanzhou Zhang
- Harvard Medical School Initiative for RNA Medicine, Harvard Medical School, Boston, MA
| | - Alexander K Ebralidze
- Harvard Medical School Initiative for RNA Medicine, Harvard Medical School, Boston, MA
| | - Mahmoud A Bassal
- Harvard Stem Cell Institute, Harvard University, Boston, MA
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - Tuan M Nguyen
- Harvard Medical School Initiative for RNA Medicine, Harvard Medical School, Boston, MA
- Chemical Biology and Therapeutics Science, Broad Institute of MIT and Harvard, Cambridge, MA
| | - Gerwin Heller
- Division of Oncology, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Rory Coffey
- Harvard Medical School Initiative for RNA Medicine, Harvard Medical School, Boston, MA
| | - Danielle E Tenen
- Division of Endocrinology, Diabetes, and Metabolism, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Emiel van der Kouwe
- Division of Hematology, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Emiliano Fabiani
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
- Saint Camillus International University of Health Sciences, Rome, Italy
| | - Carmelo Gurnari
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - Chan-Shuo Wu
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | | | - Henry Yang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore
| | - Sisi Chen
- Harvard Medical School Initiative for RNA Medicine, Harvard Medical School, Boston, MA
| | - Hong Zhang
- Harvard Medical School Initiative for RNA Medicine, Harvard Medical School, Boston, MA
| | - Abby R Thurm
- Harvard Stem Cell Institute, Harvard University, Boston, MA
- Stanford University School of Medicine, Stanford, CA
| | - Francisco Marchi
- Harvard Stem Cell Institute, Harvard University, Boston, MA
- University of Florida, Gainesville, FL
| | - Elena Levantini
- Harvard Medical School Initiative for RNA Medicine, Harvard Medical School, Boston, MA
- Harvard Stem Cell Institute, Harvard University, Boston, MA
- Institute of Biomedical Technologies, National Research Council (CNR), Area della Ricerca di Pisa, Pisa, Italy
| | - Philipp B Staber
- Division of Hematology, Department of Medicine I, Medical University of Vienna, Vienna, Austria
| | - Pu Zhang
- Harvard Medical School Initiative for RNA Medicine, Harvard Medical School, Boston, MA
| | - Maria Teresa Voso
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - Pier Paolo Pandolfi
- Department of Pathology, Beth Israel Deaconess Cancer Center, Harvard Medical School Boston, MA
| | - Susumu S Kobayashi
- Harvard Medical School Initiative for RNA Medicine, Harvard Medical School, Boston, MA
- Harvard Stem Cell Institute, Harvard University, Boston, MA
- Division of Translational Genomics, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa, Chiba, Japan
| | - Li Chai
- Harvard Stem Cell Institute, Harvard University, Boston, MA
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Annalisa Di Ruscio
- Harvard Medical School Initiative for RNA Medicine, Harvard Medical School, Boston, MA
- Cancer Research Institute, Beth Israel Deaconess Medical Center, Boston, MA; and
- Department of Translational Medicine, University of Eastern Piedmont, Novara, Italy
| | - Daniel G Tenen
- Harvard Medical School Initiative for RNA Medicine, Harvard Medical School, Boston, MA
- Stanford University School of Medicine, Stanford, CA
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17
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Geueke A, Mantellato G, Kuester F, Schettina P, Nelles M, Seeger JM, Kashkar H, Niemann C. The anti-apoptotic Bcl-2 protein regulates hair follicle stem cell function. EMBO Rep 2021; 22:e52301. [PMID: 34342114 PMCID: PMC8490995 DOI: 10.15252/embr.202052301] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 07/08/2021] [Accepted: 07/13/2021] [Indexed: 11/15/2022] Open
Abstract
Maintaining the architecture, size and composition of an intact stem cell (SC) compartment is crucial for tissue homeostasis and regeneration throughout life. In mammalian skin, elevated expression of the anti‐apoptotic Bcl‐2 protein has been reported in hair follicle (HF) bulge SCs (BSCs), but its impact on SC function is unknown. Here, we show that systemic exposure of mice to the Bcl‐2 antagonist ABT‐199/venetoclax leads to the selective loss of suprabasal BSCs (sbBSCs), thereby disrupting cyclic HF regeneration. RNAseq analysis shows that the pro‐apoptotic BH3‐only proteins BIM and Bmf are upregulated in sbBSCs, explaining their addiction to Bcl‐2 and the marked susceptibility to Bcl‐2 antagonism. In line with these observations, conditional knockout of Bcl‐2 in mouse epidermis elevates apoptosis in BSCs. In contrast, ectopic Bcl‐2 expression blocks apoptosis during HF regression, resulting in the accumulation of quiescent SCs and delaying HF growth in mice. Strikingly, Bcl‐2‐induced changes in size and composition of the HF bulge accelerate tumour formation. Our study identifies a niche‐instructive mechanism of Bcl‐2‐regulated apoptosis response that is required for SC homeostasis and tissue regeneration, and may suppress carcinogenesis.
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Affiliation(s)
- Anna Geueke
- Center for Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.,Centre of Biochemistry, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Giada Mantellato
- Center for Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.,Centre of Biochemistry, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Florian Kuester
- Center for Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Peter Schettina
- Center for Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Melanie Nelles
- Center for Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
| | - Jens Michael Seeger
- Institute for Medical Microbiology, Immunology and Hygiene (IMMIH), CECAD Research Center, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - Hamid Kashkar
- Center for Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.,Institute for Medical Microbiology, Immunology and Hygiene (IMMIH), CECAD Research Center, University of Cologne, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
| | - Catherin Niemann
- Center for Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.,Centre of Biochemistry, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
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18
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Hass MR, Brissette D, Parameswaran S, Pujato M, Donmez O, Kottyan LC, Weirauch MT, Kopan R. Runx1 shapes the chromatin landscape via a cascade of direct and indirect targets. PLoS Genet 2021; 17:e1009574. [PMID: 34111109 PMCID: PMC8219162 DOI: 10.1371/journal.pgen.1009574] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 06/22/2021] [Accepted: 05/03/2021] [Indexed: 11/18/2022] Open
Abstract
Runt-related transcription factor 1 (Runx1) can act as both an activator and a repressor. Here we show that CRISPR-mediated deletion of Runx1 in mouse metanephric mesenchyme-derived mK4 cells results in large-scale genome-wide changes to chromatin accessibility and gene expression. Open chromatin regions near down-regulated loci enriched for Runx sites in mK4 cells lose chromatin accessibility in Runx1 knockout cells, despite remaining Runx2-bound. Unexpectedly, regions near upregulated genes are depleted of Runx sites and are instead enriched for Zeb transcription factor binding sites. Re-expressing Zeb2 in Runx1 knockout cells restores suppression, and CRISPR mediated deletion of Zeb1 and Zeb2 phenocopies the gained expression and chromatin accessibility changes seen in Runx1KO due in part to subsequent activation of factors like Grhl2. These data confirm that Runx1 activity is uniquely needed to maintain open chromatin at many loci, and demonstrate that Zeb proteins are required and sufficient to maintain Runx1-dependent genome-scale repression. Runt-related transcription factor (Runx) 1 & 2 impact development and disease by activating or repressing transcription. In this manuscript we used genome editing tools to remove Runx1, and as expected, observed widespread changes in chromatin accessibility. Newly closed areas contained Runx1 binding sites and were enriched near genes whose expression depended on Runx1. Interestingly, this occurred despite continued binding of Runx2 to the same regions of DNA, which suggests that Runx2 is insufficient to maintain open chromatin and expression of Runx1 target genes in this cellular context. By contrast, newly opened chromatin regions, many near genes that were upregulated in Runx1 knockout cells, did not enrich for Runx1 binding sites. Instead, these regions were enriched for sites for the repressor Zeb proteins. We found that the loss of Zeb 1 & 2 expression, direct transcriptional targets of Runx1, resulted in the opening of chromatin and upregulation of genes residing near the newly open sites in Runx1 knockout cells. The same sites were also open and nearby genes expressed in edited Zeb1 and Zeb2 knockout cells. Among them were transcription factors, such as the Grhl2 gene, which in turn bind to and upregulate their target genes. Thus, the loss of a single transcription factor initiates a cascade of direct and indirect ramifications with likely negative effects on development and health.
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Affiliation(s)
- Matthew R. Hass
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America
- Division of Developmental Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, United States of America
| | - Daniel Brissette
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America
- Division of Developmental Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, United States of America
| | - Sreeja Parameswaran
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America
- Center for Autoimmune Genomics and Etiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, United States of America
| | - Mario Pujato
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America
- Center for Autoimmune Genomics and Etiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, United States of America
| | - Omer Donmez
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America
- Center for Autoimmune Genomics and Etiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, United States of America
| | - Leah C. Kottyan
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America
- Division of Developmental Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, United States of America
- Center for Autoimmune Genomics and Etiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, United States of America
| | - Matthew T. Weirauch
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America
- Division of Developmental Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, United States of America
- Center for Autoimmune Genomics and Etiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, United States of America
- Division of Biomedical Informatics, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, United States of America
- * E-mail: (MTW); (RK)
| | - Raphael Kopan
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America
- Division of Developmental Biology, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, United States of America
- * E-mail: (MTW); (RK)
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19
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Martino PA, Heitman N, Rendl M. The dermal sheath: An emerging component of the hair follicle stem cell niche. Exp Dermatol 2021; 30:512-521. [PMID: 33006790 PMCID: PMC8016715 DOI: 10.1111/exd.14204] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/15/2020] [Accepted: 09/20/2020] [Indexed: 12/17/2022]
Abstract
Hair follicles cyclically regenerate throughout adult mammalian life, owing to a resident population of epithelial hair follicle stem cells. Stem cell (SC) activity drives bouts of follicle growth, which are periodically interrupted by follicle regression and rest. These phases and the transitions between them are tightly spatiotemporally coordinated by signalling crosstalk between stem/progenitor cells and the various cell types of the microenvironment, or niche. The dermal papilla (DP) is a cluster of specialized mesenchymal cells that have long been recognized for important niche roles in regulating hair follicle SC activation, as well as progenitor proliferation and differentiation during follicle growth. In addition to the DP, the mesenchyme of the murine pelage follicle is also comprised of a follicle-lining smooth muscle known as the dermal sheath (DS), which has been far less studied than the DP yet may be equally specialized and important for hair cycling. In this review, we define the murine pelage DS in comparison with human DS and discuss recent work that highlights the emergent importance of the DS in the hair follicle SC niche. Last, we examine potential therapeutic applications for the DS in hair regeneration and wound healing.
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Affiliation(s)
- Pieter A. Martino
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, Atran Building AB7-10C, Box 1020; 1428 Madison Ave, New York, NY 10029, USA
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, Atran Building AB7-10C, Box 1020; 1428 Madison Ave, New York, NY 10029, USA
| | - Nicholas Heitman
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, Atran Building AB7-10C, Box 1020; 1428 Madison Ave, New York, NY 10029, USA
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, Atran Building AB7-10C, Box 1020; 1428 Madison Ave, New York, NY 10029, USA
| | - Michael Rendl
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, Atran Building AB7-10C, Box 1020; 1428 Madison Ave, New York, NY 10029, USA
- Department of Cell, Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, Atran Building AB7-10C, Box 1020; 1428 Madison Ave, New York, NY 10029, USA
- Department of Dermatology, Icahn School of Medicine at Mount Sinai, Atran Building AB7-10C, Box 1020; 1428 Madison Ave, New York, NY 10029, USA
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20
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Fritz AJ, Hong D, Boyd J, Kost J, Finstaad KH, Fitzgerald MP, Hanna S, Abuarqoub AH, Malik M, Bushweller J, Tye C, Ghule P, Gordon J, Zaidi SK, Frietze S, Lian JB, Stein JL, Stein GS. RUNX1 and RUNX2 transcription factors function in opposing roles to regulate breast cancer stem cells. J Cell Physiol 2020; 235:7261-7272. [PMID: 32180230 PMCID: PMC7415511 DOI: 10.1002/jcp.29625] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 12/16/2019] [Indexed: 12/17/2022]
Abstract
Breast cancer stem cells (BCSCs) are competent to initiate tumor formation and growth and refractory to conventional therapies. Consequently BCSCs are implicated in tumor recurrence. Many signaling cascades associated with BCSCs are critical for epithelial-to-mesenchymal transition (EMT). We developed a model system to mechanistically examine BCSCs in basal-like breast cancer using MCF10AT1 FACS sorted for CD24 (negative/low in BCSCs) and CD44 (positive/high in BCSCs). Ingenuity Pathway Analysis comparing RNA-seq on the CD24-/low versus CD24+/high MCF10AT1 indicates that the top activated upstream regulators include TWIST1, TGFβ1, OCT4, and other factors known to be increased in BCSCs and during EMT. The top inhibited upstream regulators include ESR1, TP63, and FAS. Consistent with our results, many genes previously demonstrated to be regulated by RUNX factors are altered in BCSCs. The RUNX2 interaction network is the top significant pathway altered between CD24-/low and CD24+/high MCF10AT1. RUNX1 is higher in expression at the RNA level than RUNX2. RUNX3 is not expressed. While, human-specific quantitative polymerase chain reaction primers demonstrate that RUNX1 and CDH1 decrease in human MCF10CA1a cells that have grown tumors within the murine mammary fat pad microenvironment, RUNX2 and VIM increase. Treatment with an inhibitor of RUNX binding to CBFβ for 5 days followed by a 7-day recovery period results in EMT suggesting that loss of RUNX1, rather than increase in RUNX2, is a driver of EMT in early stage breast cancer. Increased understanding of RUNX regulation on BCSCs and EMT will provide novel insight into therapeutic strategies to prevent recurrence.
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Affiliation(s)
- Andrew J. Fritz
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Deli Hong
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, 05405, USA
- Department of Cell and Developmental Biology, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA 01655, USA
| | - Joseph Boyd
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Jason Kost
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Kristiaan H. Finstaad
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Mark P. Fitzgerald
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Sebastian Hanna
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Alqassem H. Abuarqoub
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Miles Malik
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - John Bushweller
- Department of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville VA
| | - Coralee Tye
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Prachi Ghule
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Jonathan Gordon
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Sayyed K. Zaidi
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Seth Frietze
- Department of Biomedical and Health Sciences, College of Nursing and Health Sciences
| | - Jane B. Lian
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Janet L. Stein
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, 05405, USA
| | - Gary S. Stein
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT, 05405, USA
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21
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Soares CD, de Cáceres CVBL, Rodrigues-Fernandes CI, de Lima Morais TM, de Almeida OP, de Carvalho MGF, Fonseca FP. Prognostic importance of RUNX1 expression for head and neck adenoid cystic carcinoma. Oral Dis 2020; 27:266-276. [PMID: 32609408 DOI: 10.1111/odi.13522] [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: 02/28/2020] [Revised: 06/12/2020] [Accepted: 06/18/2020] [Indexed: 12/26/2022]
Abstract
OBJECTIVE In the present study, we aimed to investigate the prognostic value of RUNX1 expression in 76 patients with adenoid cystic carcinoma (ACC). MATERIALS AND METHODS All cases were arranged in tissue microarray blocks and submitted to immunohistochemistry against RUNX1. These results were statistically correlated with clinicopathologic features, including age, gender, tumour site, tumour size, lymph node status, AJCC clinical stage, distant metastasis, treatment, recurrences, follow-up, histologic pattern, vascular and neural invasion, all of which obtained from patient's medical records. RESULTS RUNX1 was expressed in the nuclei of tumour cells, with a mean of 18.1% of positivity. Nuclear RUNX1 expression was significantly associated with AJCC clinical stage (p < .0001), solid histologic pattern (p < .0001), vascular invasion (p < .0001) and presence of local recurrence (p < .0001). Using univariate and multivariate analyses, RUNX1 nuclear expression was significantly associated with a lower disease-free survival (p < .0001 and p = .028, respectively) and disease-specific survival (p < .0001 and p = .018, respectively) rates. CONCLUSION In summary, RUNX1 nuclear expression may represent an indicator of unfavourable outcome for patients affected by head and neck ACC.
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Affiliation(s)
- Ciro Dantas Soares
- Department of Oral Diagnosis, Area of Pathology, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil.,Private Pathology Service, Natal, Rio Grande do Norte, Brazil
| | | | | | - Thayná Melo de Lima Morais
- Department of Oral Diagnosis, Area of Pathology, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil
| | - Oslei Paes de Almeida
- Department of Oral Diagnosis, Area of Pathology, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil
| | | | - Felipe Paiva Fonseca
- Department of Oral Surgery and Pathology, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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22
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Heilmann-Heimbach S, Hochfeld LM, Henne SK, Nöthen MM. Hormonal regulation in male androgenetic alopecia-Sex hormones and beyond: Evidence from recent genetic studies. Exp Dermatol 2020; 29:814-827. [PMID: 32946134 DOI: 10.1111/exd.14130] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 05/19/2020] [Accepted: 06/05/2020] [Indexed: 02/06/2023]
Abstract
Male-pattern hair loss, also termed androgenetic alopecia (AGA), is a highly prevalent age-related condition that is characterized by a distinct pattern of hair loss from the frontotemporal and vertex regions of the scalp. The phenotype is highly heritable and hormone dependent, with androgens being the recognized critical hormonal factor. Numerous molecular genetic studies have focused on genetic variation in and around the gene that encodes the androgen receptor. More recently, however, the availability of high-throughput molecular genetic methods, novel methods of data analysis and sufficiently large sample sizes have rendered possible the systematic investigation of the contribution of other components of the androgen receptor pathway or hormonal pathways beyond the androgen receptor signalling pathways. Over the past decade, genome-wide association studies of increasingly large cohorts have enabled the genome-wide identification of genetic risk factors for AGA, and yielded unprecedented insights into the underlying pathobiology. The present review discusses some of the most intriguing genetic findings on the relevance of (sex)hormonal signalling in AGA.
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Affiliation(s)
- Stefanie Heilmann-Heimbach
- Institute of Human Genetics, School of Medicine & University Hospital Bonn, University of Bonn, Bonn, Germany
| | - Lara M Hochfeld
- Institute of Human Genetics, School of Medicine & University Hospital Bonn, University of Bonn, Bonn, Germany
| | - Sabrina K Henne
- Institute of Human Genetics, School of Medicine & University Hospital Bonn, University of Bonn, Bonn, Germany
| | - Markus M Nöthen
- Institute of Human Genetics, School of Medicine & University Hospital Bonn, University of Bonn, Bonn, Germany
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23
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Riddell A, McBride M, Braun T, Nicklin SA, Cameron E, Loughrey CM, Martin TP. RUNX1: an emerging therapeutic target for cardiovascular disease. Cardiovasc Res 2020; 116:1410-1423. [PMID: 32154891 PMCID: PMC7314639 DOI: 10.1093/cvr/cvaa034] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 12/18/2019] [Accepted: 02/03/2020] [Indexed: 12/12/2022] Open
Abstract
Runt-related transcription factor-1 (RUNX1), also known as acute myeloid leukaemia 1 protein (AML1), is a member of the core-binding factor family of transcription factors which modulate cell proliferation, differentiation, and survival in multiple systems. It is a master-regulator transcription factor, which has been implicated in diverse signalling pathways and cellular mechanisms during normal development and disease. RUNX1 is best characterized for its indispensable role for definitive haematopoiesis and its involvement in haematological malignancies. However, more recently RUNX1 has been identified as a key regulator of adverse cardiac remodelling following myocardial infarction. This review discusses the role RUNX1 plays in the heart and highlights its therapeutic potential as a target to limit the progression of adverse cardiac remodelling and heart failure.
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Affiliation(s)
- Alexandra Riddell
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, 126 University Place, Glasgow G12 8TA, UK
| | - Martin McBride
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, 126 University Place, Glasgow G12 8TA, UK
| | - Thomas Braun
- Max Planck Institute for Heart and Lung Research, Ludwigstr. 43, 61231 Bad Nauheim, Germany
| | - Stuart A Nicklin
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, 126 University Place, Glasgow G12 8TA, UK
| | - Ewan Cameron
- School of Veterinary Medicine, University of Glasgow, Garscube Campus, Glasgow G61 1BD, UK
| | - Christopher M Loughrey
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, 126 University Place, Glasgow G12 8TA, UK
| | - Tamara P Martin
- British Heart Foundation Glasgow Cardiovascular Research Centre, Institute of Cardiovascular & Medical Sciences, University of Glasgow, 126 University Place, Glasgow G12 8TA, UK
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24
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Rooney N, Mason SM, McDonald L, Däbritz JHM, Campbell KJ, Hedley A, Howard S, Athineos D, Nixon C, Clark W, Leach JDG, Sansom OJ, Edwards J, Cameron ER, Blyth K. RUNX1 Is a Driver of Renal Cell Carcinoma Correlating with Clinical Outcome. Cancer Res 2020; 80:2325-2339. [PMID: 32156779 DOI: 10.1158/0008-5472.can-19-3870] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 02/17/2020] [Accepted: 03/06/2020] [Indexed: 11/16/2022]
Abstract
The recurring association of specific genetic lesions with particular types of cancer is a fascinating and largely unexplained area of cancer biology. This is particularly true of clear cell renal cell carcinoma (ccRCC) where, although key mutations such as loss of VHL is an almost ubiquitous finding, there remains a conspicuous lack of targetable genetic drivers. In this study, we have identified a previously unknown protumorigenic role for the RUNX genes in this disease setting. Analysis of patient tumor biopsies together with loss-of-function studies in preclinical models established the importance of RUNX1 and RUNX2 in ccRCC. Patients with high RUNX1 (and RUNX2) expression exhibited significantly poorer clinical survival compared with patients with low expression. This was functionally relevant, as deletion of RUNX1 in ccRCC cell lines reduced tumor cell growth and viability in vitro and in vivo. Transcriptional profiling of RUNX1-CRISPR-deleted cells revealed a gene signature dominated by extracellular matrix remodeling, notably affecting STMN3, SERPINH1, and EPHRIN signaling. Finally, RUNX1 deletion in a genetic mouse model of kidney cancer improved overall survival and reduced tumor cell proliferation. In summary, these data attest to the validity of targeting a RUNX1-transcriptional program in ccRCC. SIGNIFICANCE: These data reveal a novel unexplored oncogenic role for RUNX genes in kidney cancer and indicate that targeting the effects of RUNX transcriptional activity could be relevant for clinical intervention in ccRCC.
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Affiliation(s)
- Nicholas Rooney
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - Susan M Mason
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - Laura McDonald
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - J Henry M Däbritz
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - Kirsteen J Campbell
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - Ann Hedley
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - Steven Howard
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - Dimitris Athineos
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - Colin Nixon
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - William Clark
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
| | - Joshua D G Leach
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
- Institute of Cancer Sciences, University of Glasgow, Bearsden, Glasgow, United Kingdom
| | - Owen J Sansom
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom
- Institute of Cancer Sciences, University of Glasgow, Bearsden, Glasgow, United Kingdom
| | - Joanne Edwards
- Institute of Cancer Sciences, University of Glasgow, Bearsden, Glasgow, United Kingdom
| | - Ewan R Cameron
- School of Veterinary Medicine, University of Glasgow, Bearsden, Glasgow, United Kingdom
| | - Karen Blyth
- CRUK Beatson Institute, Garscube Estate, Switchback Road, Bearsden, Glasgow, United Kingdom.
- Institute of Cancer Sciences, University of Glasgow, Bearsden, Glasgow, United Kingdom
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25
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Serrano-Coll H, Ospina JP, Salazar-Peláez L, Cardona-Castro N. Notch Signaling Pathway Expression in the Skin of Leprosy Patients: Association With Skin and Neural Damage. Front Immunol 2020; 11:368. [PMID: 32265900 PMCID: PMC7096478 DOI: 10.3389/fimmu.2020.00368] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 02/17/2020] [Indexed: 01/31/2023] Open
Abstract
Introduction: Leprosy is an infectious disease caused by Mycobacterium leprae, a debilitating disease that affects the skin and peripheral nerves. It is possible that tissue changes during infection with leprosy are related to alterations in the activity of the Notch signaling pathway, an innate signaling pathway in the physiology of the skin and peripheral nerves. Methods: This is a descriptive observational study. Thirty skin biopsies from leprosy patients and 15 from individuals with no history of this disease were evaluated. In these samples, gene expressions of cellular components associated with the Notch signaling pathway, Hes-1, Hey-1, Runx-1 Jagged-1, Notch-1, and Numb, were evaluated using q-PCR, and protein expression was evaluated using immunohistochemistry of Runx-1 and Hes-1. Results: Changes were observed in the transcription of Notch signaling pathway components; Hes-1 was downregulated and Runx-1 upregulated in the skin of infected patients. These results were confirmed by immunohistochemistry, where reduction of Hes-1 expression was found in the epidermis, eccrine glands, and hair follicles. Increased expression of Runx-1 was found in inflammatory cells in the dermis of infected patients; however, it is not related to tissue changes. With these results, a multivariate analysis was performed to determine the causes of transcription factor Hes-1 reduction. It was concluded that tissue inflammation was the main cause. Conclusions: The tissue changes found in the skin of infected patients could be associated with a reduction in the expression of Hes-1, a situation that would promote the survival and proliferation of M. leprae in this tissue.
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Affiliation(s)
- Héctor Serrano-Coll
- Grupo de Ciencias Básicas, Doctorado en Ciencias de la Salud, Escuela de Graduados, Universidad CES, Medellín, Colombia.,Línea de Investigación en Lepra, Instituto Colombiano de Medicina Tropical, Universidad CES, Medellín, Colombia
| | - Juan Pablo Ospina
- Laboratorio de Dermatopatología, Centro de Investigaciones en Dermatología (CIDERM), Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - Lina Salazar-Peláez
- Grupo de Ciencias Básicas, Doctorado en Ciencias de la Salud, Escuela de Graduados, Universidad CES, Medellín, Colombia
| | - Nora Cardona-Castro
- Grupo de Ciencias Básicas, Doctorado en Ciencias de la Salud, Escuela de Graduados, Universidad CES, Medellín, Colombia.,Línea de Investigación en Lepra, Instituto Colombiano de Medicina Tropical, Universidad CES, Medellín, Colombia
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26
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Lie-a-ling M, Mevel R, Patel R, Blyth K, Baena E, Kouskoff V, Lacaud G. RUNX1 Dosage in Development and Cancer. Mol Cells 2020; 43:126-138. [PMID: 31991535 PMCID: PMC7057845 DOI: 10.14348/molcells.2019.0301] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 12/04/2019] [Indexed: 12/30/2022] Open
Abstract
The transcription factor RUNX1 first came to prominence due to its involvement in the t(8;21) translocation in acute myeloid leukemia (AML). Since this discovery, RUNX1 has been shown to play important roles not only in leukemia but also in the ontogeny of the normal hematopoietic system. Although it is currently still challenging to fully assess the different parameters regulating RUNX1 dosage, it has become clear that the dose of RUNX1 can greatly affect both leukemia and normal hematopoietic development. It is also becoming evident that varying levels of RUNX1 expression can be used as markers of tumor progression not only in the hematopoietic system, but also in non-hematopoietic cancers. Here, we provide an overview of the current knowledge of the effects of RUNX1 dosage in normal development of both hematopoietic and epithelial tissues and their associated cancers.
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Affiliation(s)
- Michael Lie-a-ling
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Macclesfield, SK0 4TG, UK
| | - Renaud Mevel
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Macclesfield, SK0 4TG, UK
| | - Rahima Patel
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Macclesfield, SK0 4TG, UK
| | - Karen Blyth
- Cancer Research UK Beatson Institute, Glasgow, G61 1BD, UK
- Institute of Cancer Sciences, University of Glasgow, Glasgow, G61 1QH, UK
| | - Esther Baena
- Cancer Research UK Prostate Oncobiology Group, Cancer Research UK Manchester Institute, The University of Manchester, Macclesfield, SK10 TG, UK
| | - Valerie Kouskoff
- Division of Developmental Biology & Medicine, The University of Manchester, Manchester, M13 9PT, UK
| | - Georges Lacaud
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Macclesfield, SK0 4TG, UK
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27
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Mevel R, Draper JE, Lie-A-Ling M, Kouskoff V, Lacaud G. RUNX transcription factors: orchestrators of development. Development 2019; 146:dev148296. [PMID: 31488508 DOI: 10.1242/dev.148296] [Citation(s) in RCA: 129] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
RUNX transcription factors orchestrate many different aspects of biology, including basic cellular and developmental processes, stem cell biology and tumorigenesis. In this Primer, we introduce the molecular hallmarks of the three mammalian RUNX genes, RUNX1, RUNX2 and RUNX3, and discuss the regulation of their activities and their mechanisms of action. We then review their crucial roles in the specification and maintenance of a wide array of tissues during embryonic development and adult homeostasis.
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Affiliation(s)
- Renaud Mevel
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Alderley Park, Alderley Edge, Macclesfield SK10 4TG, UK
| | - Julia E Draper
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Alderley Park, Alderley Edge, Macclesfield SK10 4TG, UK
| | - Michael Lie-A-Ling
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Alderley Park, Alderley Edge, Macclesfield SK10 4TG, UK
| | - Valerie Kouskoff
- Division of Developmental Biology & Medicine, The University of Manchester, Michael Smith Building, Oxford Road, Manchester M13 9PT, UK
| | - Georges Lacaud
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Alderley Park, Alderley Edge, Macclesfield SK10 4TG, UK
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28
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Li KN, Jain P, He CH, Eun FC, Kang S, Tumbar T. Skin vasculature and hair follicle cross-talking associated with stem cell activation and tissue homeostasis. eLife 2019; 8:e45977. [PMID: 31343406 PMCID: PMC6684267 DOI: 10.7554/elife.45977] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Accepted: 07/25/2019] [Indexed: 12/21/2022] Open
Abstract
Skin vasculature cross-talking with hair follicle stem cells (HFSCs) is poorly understood. Skin vasculature undergoes dramatic remodeling during adult mouse hair cycle. Specifically, a horizontal plexus under the secondary hair germ (HPuHG) transiently neighbors the HFSC activation zone during the quiescence phase (telogen). Increased density of HPuHG can be induced by reciprocal mutations in the epithelium (Runx1) and endothelium (Alk1) in adult mice, and is accompanied by prolonged HFSC quiescence and by delayed entry and progression into the hair growth phase (anagen). Suggestively, skin vasculature produces BMP4, a well-established HFSC quiescence-inducing factor, thus contributing to a proliferation-inhibitory environment near the HFSC. Conversely, the HFSC activator Runx1 regulates secreted proteins with previously demonstrated roles in vasculature remodeling. We suggest a working model in which coordinated remodeling and molecular cross-talking of the adult epithelial and endothelial skin compartments modulate timing of HFSC activation from quiescence for proper tissue homeostasis of adult skin.
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Affiliation(s)
- Kefei Nina Li
- Molecular Biology and GeneticsCornell UniversityIthacaUnited States
| | - Prachi Jain
- Molecular Biology and GeneticsCornell UniversityIthacaUnited States
| | - Catherine Hua He
- Molecular Biology and GeneticsCornell UniversityIthacaUnited States
| | - Flora Chae Eun
- Molecular Biology and GeneticsCornell UniversityIthacaUnited States
| | - Sangjo Kang
- Molecular Biology and GeneticsCornell UniversityIthacaUnited States
| | - Tudorita Tumbar
- Molecular Biology and GeneticsCornell UniversityIthacaUnited States
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29
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Hong D, Fritz AJ, Gordon JA, Tye CE, Boyd JR, Tracy KM, Frietze SE, Carr FE, Nickerson JA, Van Wijnen AJ, Imbalzano AN, Zaidi SK, Lian JB, Stein JL, Stein GS. RUNX1-dependent mechanisms in biological control and dysregulation in cancer. J Cell Physiol 2019; 234:8597-8609. [PMID: 30515788 PMCID: PMC6395522 DOI: 10.1002/jcp.27841] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Accepted: 11/12/2018] [Indexed: 01/02/2023]
Abstract
The RUNX1 transcription factor has recently been shown to be obligatory for normal development. RUNX1 controls the expression of genes essential for proper development in many cell lineages and tissues including blood, bone, cartilage, hair follicles, and mammary glands. Compromised RUNX1 regulation is associated with many cancers. In this review, we highlight evidence for RUNX1 control in both invertebrate and mammalian development and recent novel findings of perturbed RUNX1 control in breast cancer that has implications for other solid tumors. As RUNX1 is essential for definitive hematopoiesis, RUNX1 mutations in hematopoietic lineage cells have been implicated in the etiology of several leukemias. Studies of solid tumors have revealed a context-dependent function for RUNX1 either as an oncogene or a tumor suppressor. These RUNX1 functions have been reported for breast, prostate, lung, and skin cancers that are related to cancer subtypes and different stages of tumor development. Growing evidence suggests that RUNX1 suppresses aggressiveness in most breast cancer subtypes particularly in the early stage of tumorigenesis. Several studies have identified RUNX1 suppression of the breast cancer epithelial-to-mesenchymal transition. Most recently, RUNX1 repression of cancer stem cells and tumorsphere formation was reported for breast cancer. It is anticipated that these new discoveries of the context-dependent diversity of RUNX1 functions will lead to innovative therapeutic strategies for the intervention of cancer and other abnormalities of normal tissues.
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Affiliation(s)
- Deli Hong
- Dana Farber Cancer Institute, Boston, Massachusetts
| | - Andrew J Fritz
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont, Burlington, Vermont
| | - Jonathan A Gordon
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont, Burlington, Vermont
| | - Coralee E Tye
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont, Burlington, Vermont
| | - Joseph R Boyd
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont, Burlington, Vermont
| | - Kirsten M Tracy
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont, Burlington, Vermont
| | - Seth E Frietze
- Department of Biomedical and Health Sciences, University of Vermont, Burlington, Vermont
| | - Frances E. Carr
- Department of Pharmacology, University of Vermont, Burlington, Vermont
| | | | - Andre J. Van Wijnen
- Departments of Orthopedic Surgery and Biochemistry & Molecular Biology, Mayo Clinic, Rochester, Minnesota
| | - Anthony N. Imbalzano
- Graduate Program in Cell Biology and Department of Biochemistry and Molecular Pharmacology, UMass Medical School, Worcester, Massachusetts
| | - Sayyed K. Zaidi
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont, Burlington, Vermont
| | - Jane B. Lian
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont, Burlington, Vermont
| | - Janet L. Stein
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont, Burlington, Vermont
| | - Gary S. Stein
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont, Burlington, Vermont
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30
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Panteleyev AA. Functional anatomy of the hair follicle: The Secondary Hair Germ. Exp Dermatol 2019; 27:701-720. [PMID: 29672929 DOI: 10.1111/exd.13666] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/06/2018] [Indexed: 12/17/2022]
Abstract
The secondary hair germ (SHG)-a transitory structure in the lower portion of the mouse telogen hair follicle (HF)-is directly involved in anagen induction and eventual HF regrowth. Some crucial aspects of SHG functioning and ontogenetic relations with other HF parts, however, remain undefined. According to recent evidence (in contrast to previous bulge-centric views), the SHG is the primary target of anagen-inducing signalling and a source of both the outer root sheath (ORS) and ascending HF layers during the initial (morphogenetic) anagen subphase. The SHG is comprised of two functionally distinct cell populations. Its lower portion (originating from lower HF cells that survived catagen) forms all ascending HF layers, while the upper SHG (formed by bulge-derived cells) builds up the ORS. The predetermination of SHG cells to a specific morphogenetic fate contradicts their attribution to the "stem cell" category and supports SHG designation as a "germinative" or a "founder" cell population. The mechanisms of this predetermination driving transition of the SHG from "refractory" to the "competent" state during the telogen remain unknown. Functionally, the SHG serves as a barrier, protecting the quiescent bulge stem cell niche from the extensive follicular papilla/SHG signalling milieu. The formation of the SHG is a prerequisite for efficient "precommitment" of these cells and provides for easier sensing and a faster response to anagen-inducing signals. In general, the formation of the SHG is an evolutionary adaptation, which allowed the ancestors of modern Muridae to acquire a specific, highly synchronized pattern of hair cycling.
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Affiliation(s)
- Andrey A Panteleyev
- Kurchatov complex of NBICS Technologies, National Research Center "Kurchatov Institute", Moscow, Russia
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31
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Kang S, Chovatiya G, Tumbar T. Epigenetic control in skin development, homeostasis and injury repair. Exp Dermatol 2019; 28:453-463. [PMID: 30624812 PMCID: PMC6488370 DOI: 10.1111/exd.13872] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 12/11/2018] [Accepted: 01/05/2019] [Indexed: 12/14/2022]
Abstract
Cell-type- and cell-state-specific patterns of covalent modifications on DNA and histone tails form global epigenetic profiles that enable spatiotemporal regulation of gene expression. These epigenetic profiles arise from coordinated activities of transcription factors and epigenetic modifiers, which result in cell-type-specific outputs in response to dynamic environmental conditions and signalling pathways. Recent mouse genetic and functional studies have highlighted the physiological significance of global DNA and histone epigenetic modifications in skin. Importantly, specific epigenetic profiles are emerging for adult skin stem cells that are associated with their cell fate plasticity and proper activity in tissue regeneration. We can now begin to draw a more comprehensive picture of how epigenetic modifiers orchestrate their cell-intrinsic role with microenvironmental cues for proper skin development, homeostasis and wound repair. The field is ripe to begin to implement these findings from the laboratory into skin therapies.
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Affiliation(s)
- Sangjo Kang
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York
| | - Gopal Chovatiya
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York
| | - Tudorita Tumbar
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York
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32
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Pastushenko I, Blanpain C. EMT Transition States during Tumor Progression and Metastasis. Trends Cell Biol 2018; 29:212-226. [PMID: 30594349 DOI: 10.1016/j.tcb.2018.12.001] [Citation(s) in RCA: 1572] [Impact Index Per Article: 262.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 11/30/2018] [Accepted: 12/03/2018] [Indexed: 12/12/2022]
Abstract
Epithelial-mesenchymal transition (EMT) is a process in which epithelial cells acquire mesenchymal features. In cancer, EMT is associated with tumor initiation, invasion, metastasis, and resistance to therapy. Recently, it has been demonstrated that EMT is not a binary process, but occurs through distinct cellular states. Here, we review the recent studies that demonstrate the existence of these different EMT states in cancer and the mechanisms regulating their functions. We discuss the different functional characteristics, such as proliferation, propagation, plasticity, invasion, and metastasis associated with the distinct EMT states. We summarize the role of the transcriptional and epigenetic landscapes, gene regulatory network and their surrounding niche in controlling the transition through the different EMT states.
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Affiliation(s)
- Ievgenia Pastushenko
- Laboratory of Stem Cells and Cancer, Université Libre de Bruxelles, Brussels, Belgium
| | - Cédric Blanpain
- Laboratory of Stem Cells and Cancer, Université Libre de Bruxelles, Brussels, Belgium; WELBIO, Université Libre de Bruxelles, Brussels, Belgium.
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33
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Qu J, Tanis SE, Smits JP, Kouwenhoven EN, Oti M, van den Bogaard EH, Logie C, Stunnenberg HG, van Bokhoven H, Mulder KW, Zhou H. Mutant p63 Affects Epidermal Cell Identity through Rewiring the Enhancer Landscape. Cell Rep 2018; 25:3490-3503.e4. [DOI: 10.1016/j.celrep.2018.11.039] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 09/16/2018] [Accepted: 11/08/2018] [Indexed: 12/19/2022] Open
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Hong D, Fritz AJ, Finstad KH, Fitzgerald MP, Weinheimer A, Viens AL, Ramsey J, Stein JL, Lian JB, Stein GS. Suppression of Breast Cancer Stem Cells and Tumor Growth by the RUNX1 Transcription Factor. Mol Cancer Res 2018; 16:1952-1964. [PMID: 30082484 PMCID: PMC6289193 DOI: 10.1158/1541-7786.mcr-18-0135] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 07/02/2018] [Accepted: 07/27/2018] [Indexed: 12/31/2022]
Abstract
Breast cancer remains the most common malignant disease in women worldwide. Despite advances in detection and therapies, studies are still needed to understand the mechanisms underlying this cancer. Cancer stem cells (CSC) play an important role in tumor formation, growth, drug resistance, and recurrence. Here, it is demonstrated that the transcription factor RUNX1, well known as essential for hematopoietic differentiation, represses the breast cancer stem cell (BCSC) phenotype and suppresses tumor growth in vivo. The current studies show that BCSCs sorted from premalignant breast cancer cells exhibit decreased RUNX1 levels, whereas ectopic expression of RUNX1 suppresses tumorsphere formation and reduces the BCSC population. RUNX1 ectopic expression in breast cancer cells reduces migration, invasion, and in vivo tumor growth (57%) in mouse mammary fat pad. Mechanistically, RUNX1 functions to suppress breast cancer tumor growth through repression of CSC activity and direct inhibition of ZEB1 expression. Consistent with these cellular and biochemical results, clinical findings using patient specimens reveal that the highest RUNX1 levels occur in normal mammary epithelial cells and that low RUNX1 expression in tumors is associated with poor patient survival. IMPLICATIONS: The key finding that RUNX1 represses stemness in several breast cancer cell lines points to the importance of RUNX1 in other solid tumors where RUNX1 may regulate CSC properties.
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Affiliation(s)
- Deli Hong
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, Burlington, Vermont
- Graduate Program in Cell Biology, University of Massachusetts Medical School, Worcester, Massachusetts
| | - Andrew J Fritz
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, Burlington, Vermont
| | - Kristiaan H Finstad
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, Burlington, Vermont
| | - Mark P Fitzgerald
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, Burlington, Vermont
| | - Adam Weinheimer
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, Burlington, Vermont
| | - Adam L Viens
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, Burlington, Vermont
| | - Jon Ramsey
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, Burlington, Vermont
| | - Janet L Stein
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, Burlington, Vermont
| | - Jane B Lian
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, Burlington, Vermont
| | - Gary S Stein
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, Burlington, Vermont.
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Chen Y, Zhang L, Liu L, Sun S, Zhao X, Wang Y, Zhang Y, Du J, Gu L. Rasip1 is a RUNX1 target gene and promotes migration of NSCLC cells. Cancer Manag Res 2018; 10:4537-4552. [PMID: 30349386 PMCID: PMC6190810 DOI: 10.2147/cmar.s168438] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Background Runt-related transcription factor 1 (RUNX1), an essential regulator of hematopoiesis, is overexpressed in patients with nonsmall-cell lung cancer (NSCLC) and is correlated with enhanced metastatic ability. Ras-interacting protein 1 (Rasip1), a potential oncogene, is required for blood vessel formation, and recently, it has been shown that Rasip1 is widely expressed in NSCLC patients. We noticed that Rasip1 promoter contains several potential RUNX1-binding sequences. However, the relationship between Rasip1 and RUNX1 in NSCLC is still unknown. In this study, the potential function of RUNX1 involving in Rasip1 expression and the potential role of Rasip1 in lung cancer cells were investigated. Materials and methods Rasip1 and RUNX1 expressions were analyzed by quantitative reverse transcription polymerase chain reaction (qRT-PCR) and Western blotting in NSCLC cells lines. A549 and H1299 cells were transfected with plasmids or interfering RNA (siRNA) to upregulate or downregulate the expression of Rasip1 and RUNX1. Cell motility was assessed by transwell and wound-healing assay. Location of Rasip1 and RUNX1 was detected via immunofluorescence. Meanwhile, chromatin immunoprecipitation was done using an anti-RUNX1 antibody. Rasip1 promoter was constructed, and cells were lysed for the analysis of luciferase activity. Results In this study, we showed that ectopic expression or knockdown of RUNX1 resulted in a significant increase or reduction in Rasip1 expression, respectively. RUNX1 bound directly to a specific DNA sequence within Rasip1 promoter and modulated its transcription. Furthermore, silencing of Rasip1 inhibited the migration of RUNX1-overexpressing NSCLC cells through inactivation of Rac1 pathway. Moreover, we found that Rasip1 was expressed ubiquitously in NSCLC cells lines and enhanced cell migration. In addition, EGFR signaling was involved both in the expression and the subcellular localization of Rasip1. Conclusion Our data indicated that Rasip1 is regulated in part by the transcription factor RUNX1 and might be developed as a therapeutic target for NSCLC.
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Affiliation(s)
- Yan Chen
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China,
| | - Lin Zhang
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China,
| | - Lei Liu
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China,
| | - Shixiu Sun
- Department of Physiology, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China,
| | - Xuyang Zhao
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China,
| | - Yueyuan Wang
- Department of Physiology, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China,
| | - Yujie Zhang
- Department of Physiology, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China, .,Cancer Center, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China,
| | - Jun Du
- Department of Physiology, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China, .,Cancer Center, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China,
| | - Luo Gu
- Department of Biochemistry and Molecular Biology, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China, .,Department of Physiology, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China, .,Cancer Center, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China,
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36
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Jain P, Nattakom M, Holowka D, Wang DH, Thomas Brenna J, Ku AT, Nguyen H, Ibrahim SF, Tumbar T. Runx1 Role in Epithelial and Cancer Cell Proliferation Implicates Lipid Metabolism and Scd1 and Soat1 Activity. Stem Cells 2018; 36:1603-1616. [PMID: 29938858 PMCID: PMC6202256 DOI: 10.1002/stem.2868] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 06/17/2018] [Accepted: 06/25/2018] [Indexed: 01/12/2023]
Abstract
The role of lipid metabolism in epithelial stem cell (SC) function and carcinogenesis is poorly understood. The transcription factor Runx1 is known to regulate proliferation in mouse epithelial hair follicle (HF) SCs in vivo and in several mouse and human epithelial cancers. We found a novel subset of in vivo Runx1 HFSC target genes related to lipid metabolism and demonstrated changes in distinct classes of lipids driven by Runx1. Inhibition of lipid-enzymes Scd1 and Soat1 activity synergistically reduces proliferation of mouse skin epithelial cells and of human skin and oral squamous cell carcinoma cultured lines. Varying Runx1 levels induces changes in skin monounsaturated fatty acids (e.g., oleate, a product of Scd1) as shown by our lipidome analysis. Furthermore, varying Runx1 levels, the inhibition of Scd1, or the addition of Scd1-product oleate, individually affects the plasma membrane organization (or fluidity) in mouse keratinocytes. These factors also affect the strength of signal transduction through the membranes for Wnt, a pathway that promotes epithelial (cancer) cell proliferation and HFSC activation. Our working model is that HFSC factor Runx1 modulates the fatty acid production, which affects membrane organization, facilitating signal transduction for rapid proliferation of normal and cancer epithelial cells. Stem Cells 2018;36:1603-1616.
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Affiliation(s)
- Prachi Jain
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, USA
| | - Mary Nattakom
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, USA
| | - David Holowka
- Department of Chemistry & Chemical Biology, Cornell University, Ithaca, New York, USA
| | - Dong Hao Wang
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
- Dell Pediatric Research Institute, University of Texas at Austin, Austin, Texas, USA
| | - J Thomas Brenna
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
- Dell Pediatric Research Institute, University of Texas at Austin, Austin, Texas, USA
| | - Amy Tsu Ku
- Interdepartmental Program in Translational Biology and Molecular Medicine, Baylor College of Medicine, Houston, Texas, USA
| | - Hoang Nguyen
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, USA
| | - Sherrif F Ibrahim
- Department of Dermatology, School of Medicines & Dentistry, University of Rochester Medical Center, Rochester, New York, USA
| | - Tudorita Tumbar
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, New York, USA
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37
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Owczarczyk-Saczonek A, Krajewska-Włodarczyk M, Kruszewska A, Banasiak Ł, Placek W, Maksymowicz W, Wojtkiewicz J. Therapeutic Potential of Stem Cells in Follicle Regeneration. Stem Cells Int 2018; 2018:1049641. [PMID: 30154860 PMCID: PMC6098866 DOI: 10.1155/2018/1049641] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Revised: 06/24/2018] [Accepted: 07/22/2018] [Indexed: 02/08/2023] Open
Abstract
Alopecia is caused by a variety of factors which affect the hair cycle and decrease stem cell activity and hair follicle regeneration capability. This process causes lower self-acceptance, which may result in depression and anxiety. However, an early onset of androgenic alopecia is associated with an increased incidence of the metabolic syndrome and an increased risk of the cardiac ischaemic disease. The ubiquity of alopecia provides an encouragement to seek new, more effective therapies aimed at hair follicle regeneration and neoregeneration. We know that stem cells can be used to regenerate hair in several therapeutic strategies: reversing the pathological mechanisms which contribute to hair loss, regeneration of complete hair follicles from their parts, and neogenesis of hair follicles from a stem cell culture with isolated cells or tissue engineering. Hair transplant has become a conventional treatment technique in androgenic alopecia (micrografts). Although an autologous transplant is regarded as the gold standard, its usability is limited, because of both a limited amount of material and a reduced viability of cells obtained in this way. The new therapeutic options are adipose-derived stem cells and stem cells from Wharton's jelly. They seem an ideal cell population for use in regenerative medicine because of the absence of immunogenic properties and their ease of obtainment, multipotential character, ease of differentiating into various cell lines, and considerable potential for angiogenesis. In this article, we presented advantages and limitations of using these types of cells in alopecia treatment.
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Affiliation(s)
- Agnieszka Owczarczyk-Saczonek
- Department of Dermatology, Sexually Transmitted Diseases and Clinical Immunology, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | | | - Anna Kruszewska
- Department of Dermatology, Sexually Transmitted Diseases and Clinical Immunology, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Łukasz Banasiak
- Department of Plastic, Reconstructive and Aesthetic Surgery, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Toruń, Poland
| | - Waldemar Placek
- Department of Dermatology, Sexually Transmitted Diseases and Clinical Immunology, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Wojciech Maksymowicz
- Department of Neurology and Neurosurgery, Faculty of Medical Sciences, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
| | - Joanna Wojtkiewicz
- Foundation for Nerve Cell Regeneration, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
- Department of Pathophysiology, Faculty of Medical Sciences, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
- Laboratory for Regenerative Medicine, Faculty of Medical Sciences, University of Warmia and Mazury, Olsztyn, Poland
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38
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Sarper SE, Kurosaka H, Inubushi T, Ono Minagi H, Kuremoto KI, Sakai T, Taniuchi I, Yamashiro T. Runx1-Stat3-Tgfb3 signaling network regulating the anterior palatal development. Sci Rep 2018; 8:11208. [PMID: 30046048 PMCID: PMC6060112 DOI: 10.1038/s41598-018-29681-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Accepted: 06/15/2018] [Indexed: 02/07/2023] Open
Abstract
Runx1 deficiency results in an anteriorly specific cleft palate at the boundary between the primary and secondary palates and in the first rugae area of the secondary palate in mice. However, the cellular and molecular pathogenesis underlying such regional specificity remain unknown. In this study, Runx1 epithelial-specific deletion led to the failed disintegration of the contacting palatal epithelium and markedly downregulated Tgfb3 expression in the primary palate and nasal septum. In culture, TGFB3 protein rescued the clefting of the mutant. Furthermore, Stat3 phosphorylation was disturbed in the corresponding cleft regions in Runx1 mutants. The Stat3 function was manifested by palatal fusion defects in culture following Stat3 inhibitor treatment with significant downregulation of Tgfb3. Tgfb3 is therefore a critical target of Runx1 signaling, and this signaling axis could be mediated by Stat3 activation. Interestingly, the expression of Socs3, an inhibitor of Stat3, was specific in the primary palate and upregulated by Runx1 deficiency. Thus, the involvement of Socs3 in Runx1-Tgfb3 signaling might explain, at least in part, the anteriorly specific downregulation of Tgfb3 expression and Stat3 activity in Runx1 mutants. This is the first study to show that the novel Runx1-Stat3-Tgfb3 axis is essential in anterior palatogenesis.
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Affiliation(s)
- Safiye E Sarper
- Department of Orthodontics and Dentofacial Orthopedics, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Hiroshi Kurosaka
- Department of Orthodontics and Dentofacial Orthopedics, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Toshihiro Inubushi
- Department of Orthodontics and Dentofacial Orthopedics, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Hitomi Ono Minagi
- Department of Oral-facial Disorders, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Koh-Ichi Kuremoto
- Department of Advanced Prosthodontics, Graduate School of Biomedical & Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Takayoshi Sakai
- Department of Oral-facial Disorders, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Ichiro Taniuchi
- Laboratory for Transcriptional Regulation, RIKEN Research Center for Allergy and Immunology, Yokohama, Japan
| | - Takashi Yamashiro
- Department of Orthodontics and Dentofacial Orthopedics, Osaka University Graduate School of Dentistry, Osaka, Japan.
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39
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Runx1-Stat3 signaling regulates the epithelial stem cells in continuously growing incisors. Sci Rep 2018; 8:10906. [PMID: 30026553 PMCID: PMC6053438 DOI: 10.1038/s41598-018-29317-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 07/09/2018] [Indexed: 11/08/2022] Open
Abstract
Rodent incisors grow permanently and the homeostasis of enamel production is maintained by a continuous supply of epithelial progenitors from putative stem cells in the cervical loop. We herein report that Runx1 regulates the Lgr5-expressing epithelial stem cells and their subsequent continuous differentiation into ameloblasts. Mice deficient in epithelial Runx1 demonstrate remarkable shortening of the incisors with underdevelopment of the cervical loop and enamel defects. In this mutant cervical loop, the proliferation of the dental epithelium was significantly disturbed and the expression of Lgr5 and enamel matrix proteins was remarkably downregulated. Interestingly, the expression of Socs3, an inhibitor of Stat3 signaling, was upregulated and Stat3 phosphorylation was suppressed specifically in the mutant cervical loop. The expression of Lgr5 and the enamel matrix protein in the wild-type incisor germs is disturbed by pharmaceutical Stat3 inhibition in vitro., of. Conversely, pharmaceutical activation of Stat3 rescues the defective phenotypes of the Runx1 mutant with upregulated Lgr5 and enamel matrix protein genes. The present results provide the first evidence of the role of Runx1 regulates the Lgr5-expressing epithelial stem cells and differentiation of ameloblast progenitors in the developing incisors. Our study also demonstrates that Stat3 modulates the Runx1-Lgr5 axis in the cervical loop.
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40
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Canel M, Byron A, Sims AH, Cartier J, Patel H, Frame MC, Brunton VG, Serrels B, Serrels A. Nuclear FAK and Runx1 Cooperate to Regulate IGFBP3, Cell-Cycle Progression, and Tumor Growth. Cancer Res 2017; 77:5301-5312. [PMID: 28807942 PMCID: PMC6126615 DOI: 10.1158/0008-5472.can-17-0418] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 06/23/2017] [Accepted: 08/04/2017] [Indexed: 12/20/2022]
Abstract
Nuclear focal adhesion kinase (FAK) is a potentially important regulator of gene expression in cancer, impacting both cellular function and the composition of the surrounding tumor microenvironment. Here, we report in a murine model of skin squamous cell carcinoma (SCC) that nuclear FAK regulates Runx1-dependent transcription of insulin-like growth factor binding protein 3 (IGFBP3), and that this regulates SCC cell-cycle progression and tumor growth in vivo Furthermore, we identified a novel molecular complex between FAK and Runx1 in the nucleus of SCC cells and showed that FAK interacted with a number of Runx1-regulatory proteins, including Sin3a and other epigenetic modifiers known to alter Runx1 transcriptional function through posttranslational modification. These findings provide important new insights into the role of FAK as a scaffolding protein in molecular complexes that regulate gene transcription. Cancer Res; 77(19); 5301-12. ©2017 AACR.
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Affiliation(s)
- Marta Canel
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
- MRC Centre for Inflammation Research, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - Adam Byron
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Andrew H Sims
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Jessy Cartier
- British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, The Queen's Medical Research Institute, Edinburgh, United Kingdom
| | - Hitesh Patel
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Margaret C Frame
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Valerie G Brunton
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom
| | - Bryan Serrels
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom.
| | - Alan Serrels
- Cancer Research UK Edinburgh Centre, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, United Kingdom.
- MRC Centre for Inflammation Research, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom
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41
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Chuang LSH, Ito K, Ito Y. Roles of RUNX in Solid Tumors. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 962:299-320. [PMID: 28299665 DOI: 10.1007/978-981-10-3233-2_19] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
All RUNX genes have been implicated in the development of solid tumors, but the role each RUNX gene plays in the different tumor types is complicated by multiple interactions with major signaling pathways and tumor heterogeneity. Moreover, for a given tissue type, the specific role of each RUNX protein is distinct at different stages of differentiation. A regulatory function for RUNX in tissue stem cells points sharply to a causal effect in tumorigenesis. Understanding how RUNX dysregulation in cancer impinges on normal biological processes is important for identifying the molecular mechanisms that lead to malignancy. It will also indicate whether restoration of proper RUNX function to redirect cell fate is a feasible treatment for cancer. With the recent advances in RUNX research, it is time to revisit the many mechanisms/pathways that RUNX engage to regulate cell fate and decide whether cells proliferate, differentiate or die.
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Affiliation(s)
- Linda Shyue Huey Chuang
- Cancer Science Institute of Singapore, Center for Translational Medicine, National University of Singapore, 14 Medical Drive #12-01, Singapore, 117599, Singapore
| | - Kosei Ito
- Graduate School of Biomedical Sciences, Nagasaki University, 1-7-1 Sakamoto, Nagasaki, 852-8588, Japan
| | - Yoshiaki Ito
- Cancer Science Institute of Singapore, Center for Translational Medicine, National University of Singapore, 14 Medical Drive #12-01, Singapore, 117599, Singapore.
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42
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Lee SH, Wang X, Kim SH, Kim Y, Rodriguez-Puebla ML. Cyclin D3 deficiency inhibits skin tumor development, but does not affect normal keratinocyte proliferation. Oncol Lett 2017; 14:2723-2734. [PMID: 28927034 PMCID: PMC5588102 DOI: 10.3892/ol.2017.6551] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 05/23/2017] [Indexed: 12/17/2022] Open
Abstract
Rearrangement and amplification of the D-type cyclin genes have been reported in human cancer. Previous studies have demonstrated that Ras-mediated skin tumorigenesis depends on pathways that act through cyclin D1 and D2; however, the role of cyclin D3 remains unknown. The present study demonstrates that cyclin D3 ablation does not affect keratinocyte proliferation, but instead increases apoptosis levels in the bulge region of the hair follicle. Consequently, cyclin D3 ablation reduces skin papilloma development in a Ras-dependent carcinogenesis model. Previous results revealed that cyclin D3 preferentially binds to cyclin-dependent kinase 6 (CDK6) in mouse keratinocytes and transgenic expression of CDK6 (K5CDK6 mice) inhibits skin tumor development. Thus, we hypothesized that the inhibitory effect of CDK6 is dependent on cyclin D3 expression. To test this hypothesis, a mouse model that overexpresses CDK6 and does not express cyclin D3 (K5CDK6/cyclin D3-/− compound mouse) was developed. Biochemical analysis of the epidermis of K5CDK6/cyclin D3-/− mice revealed that cyclin D3 ablation resulted in increased expression of cyclin D1 protein, with a consequent elevation in the level of CDK6/cyclin D1 and CDK4/cyclin D1 complexes. These findings were concurrent with the increase skin papilloma malignant progression observed in K5CDK6/cyclin D3-/− mice. In summary the absence of cyclin D3 led to fewer number of papillomas in cyclin D3-ablated mice than in the wild-type owing to increased apoptosis, suggesting that alterations in cell survival are a crucial mechanism for crippling cellular defense against neoplasia. The results of the current study also suggest that although cyclin D3 expression does not alter the tumor suppressive role of CDK6 in skin carcinogenesis, the compensatory increase in cyclin D1 can shift the balance towards malignant progression.
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Affiliation(s)
- Sung Hyun Lee
- Department of Molecular Biomedical Sciences, The Center for Human Health and The Environment and The Comparative Medicine Institute, North Carolina State University, Raleigh, NC 27607, USA
| | - Xian Wang
- Department of Pathology, University of Pittsburgh Cancer Institute, Pittsburg, PA 15232, USA
| | - Sun Hye Kim
- Department of Biochemistry, University of Lausanne, CH-1015 Lausanne, Switzerland
| | - Yongbaek Kim
- The Laboratory of Veterinary Clinical Pathology, College of Veterinary Medicine, Seoul National University, Gwanak, Seoul 151-742, Republic of Korea
| | - Marcelo L Rodriguez-Puebla
- Department of Molecular Biomedical Sciences, The Center for Human Health and The Environment and The Comparative Medicine Institute, North Carolina State University, Raleigh, NC 27607, USA
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43
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Jiang YY, Lin DC, Mayakonda A, Hazawa M, Ding LW, Chien WW, Xu L, Chen Y, Xiao JF, Senapedis W, Baloglu E, Kanojia D, Shang L, Xu X, Yang H, Tyner JW, Wang MR, Koeffler HP. Targeting super-enhancer-associated oncogenes in oesophageal squamous cell carcinoma. Gut 2017; 66:1358-1368. [PMID: 27196599 PMCID: PMC5912916 DOI: 10.1136/gutjnl-2016-311818] [Citation(s) in RCA: 154] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Revised: 04/11/2016] [Accepted: 04/20/2016] [Indexed: 12/12/2022]
Abstract
OBJECTIVES Oesophageal squamous cell carcinoma (OSCC) is an aggressive malignancy and the major histological subtype of oesophageal cancer. Although recent large-scale genomic analysis has improved the description of the genetic abnormalities of OSCC, few targetable genomic lesions have been identified, and no molecular therapy is available. This study aims to identify druggable candidates in this tumour. DESIGN High-throughput small-molecule inhibitor screening was performed to identify potent anti-OSCC compounds. Whole-transcriptome sequencing (RNA-Seq) and chromatin immunoprecipitation sequencing (ChIP-Seq) were conducted to decipher the mechanisms of action of CDK7 inhibition in OSCC. A variety of in vitro and in vivo cellular assays were performed to determine the effects of candidate genes on OSCC malignant phenotypes. RESULTS The unbiased high-throughput small-molecule inhibitor screening led us to discover a highly potent anti-OSCC compound, THZ1, a specific CDK7 inhibitor. RNA-Seq revealed that low-dose THZ1 treatment caused selective inhibition of a number of oncogenic transcripts. Notably, further characterisation of the genomic features of these THZ1-sensitive transcripts demonstrated that they were frequently associated with super-enhancer (SE). Moreover, SE analysis alone uncovered many OSCC lineage-specific master regulators. Finally, integrative analysis of both THZ1-sensitive and SE-associated transcripts identified a number of novel OSCC oncogenes, including PAK4, RUNX1, DNAJB1, SREBF2 and YAP1, with PAK4 being a potential druggable kinase. CONCLUSIONS Our integrative approaches led to a catalogue of SE-associated master regulators and oncogenic transcripts, which may significantly promote both the understanding of OSCC biology and the development of more innovative therapies.
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Affiliation(s)
- Yan-Yi Jiang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - De-Chen Lin
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Anand Mayakonda
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Masaharu Hazawa
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Ling-Wen Ding
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Wen-Wen Chien
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Liang Xu
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Ye Chen
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Jin-Fen Xiao
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - William Senapedis
- Department of Drug Discovery, Karyopharm Therapeutics Inc., Newton, Massachusetts, USA
| | - Erkan Baloglu
- Department of Drug Discovery, Karyopharm Therapeutics Inc., Newton, Massachusetts, USA
| | - Deepika Kanojia
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Li Shang
- State Key Laboratory of Molecular Oncology, Cancer Institute (Hospital), Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Xin Xu
- State Key Laboratory of Molecular Oncology, Cancer Institute (Hospital), Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - Henry Yang
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
| | - Jeffrey W Tyner
- Department of Cell, Developmental & Cancer Biology, Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon, USA
| | - Ming-Rong Wang
- State Key Laboratory of Molecular Oncology, Cancer Institute (Hospital), Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China
| | - H Phillip Koeffler
- Cancer Science Institute of Singapore, National University of Singapore, Singapore, Singapore
- Division of Hematology/Oncology, Cedars-Sinai Medical Center, University of California, Los Angeles School of Medicine, Los Angeles, California, USA
- National University Cancer Institute, National University Health System and National University of Singapore, Singapore, Singapore
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44
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Karsli-Ceppioglu S, Dagdemir A, Judes G, Lebert A, Penault-Llorca F, Bignon YJ, Bernard-Gallon D. The Epigenetic Landscape of Promoter Genome-wide Analysis in Breast Cancer. Sci Rep 2017; 7:6597. [PMID: 28747748 PMCID: PMC5529370 DOI: 10.1038/s41598-017-06790-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Accepted: 06/19/2017] [Indexed: 12/31/2022] Open
Abstract
Breast cancer is a heterogeneous disease due to its clinico-pathological features and response to therapy. The classification of breast tumors based on their hormone receptor status and pathologic features. Post-translational histone modifications come into prominence for regulation of gene expression in cancer pathogenesis. Here, we analyzed dysregulation of H3K9ac and H3K27me3-enriched subtype-specific genes using ChIP-on-chip assay in breast cancer tumors and matched normal tissue samples. Breast cancer tumors were classified according to St Gallen Consensus 2013. Our results indicated that the promoter regions of genes modified by H3K9ac epi-mark are commonly associated with tumors with HER2-positive and TNBC subtype. H3K27me3-enriched genes were comprised of Luminal A and B1 subtypes. We constructed a network structure to elicit epigenetically regulated genes related with breast cancer progression. The central genes of the network (RUNX1, PAX3, GATA4 and DLX5) were subjected for epigenetically dysregulation in association with different breast cancer subtypes. Our study submits epigenetic mechanisms are crucial to elicit subtype-specific regulation in breast cancer and ChIP-on-chip assay provides a better understanding for breast tumorigenesis and new approaches for prevention and treatment.
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Affiliation(s)
- Seher Karsli-Ceppioglu
- Department of Oncogenetics, Centre Jean Perrin, CBRV, 28 place Henri-Dunant, 63001, Clermont-Ferrand, France.,INSERM U 1240, IMOST, 58 rue Montalembert-BP184, 63005, Clermont-Ferrand, France.,Department of Toxicology, Faculty of Pharmacy, Marmara University, Istanbul, Turkey
| | - Aslihan Dagdemir
- Department of Oncogenetics, Centre Jean Perrin, CBRV, 28 place Henri-Dunant, 63001, Clermont-Ferrand, France.,INSERM U 1240, IMOST, 58 rue Montalembert-BP184, 63005, Clermont-Ferrand, France
| | - Gaëlle Judes
- Department of Oncogenetics, Centre Jean Perrin, CBRV, 28 place Henri-Dunant, 63001, Clermont-Ferrand, France.,INSERM U 1240, IMOST, 58 rue Montalembert-BP184, 63005, Clermont-Ferrand, France
| | - André Lebert
- University Blaise Pascal, Institute Pascal UMR 6602 CNRS/UBP, 63178, Aubiere, France
| | - Frédérique Penault-Llorca
- INSERM U 1240, IMOST, 58 rue Montalembert-BP184, 63005, Clermont-Ferrand, France.,Department of Biopathology, Centre Jean Perrin, 58 rue Montalembert, 63011, Clermont-Ferrand, France
| | - Yves-Jean Bignon
- Department of Oncogenetics, Centre Jean Perrin, CBRV, 28 place Henri-Dunant, 63001, Clermont-Ferrand, France.,INSERM U 1240, IMOST, 58 rue Montalembert-BP184, 63005, Clermont-Ferrand, France
| | - Dominique Bernard-Gallon
- Department of Oncogenetics, Centre Jean Perrin, CBRV, 28 place Henri-Dunant, 63001, Clermont-Ferrand, France. .,INSERM U 1240, IMOST, 58 rue Montalembert-BP184, 63005, Clermont-Ferrand, France.
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45
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RUNX transcription factors at the interface of stem cells and cancer. Biochem J 2017; 474:1755-1768. [PMID: 28490659 DOI: 10.1042/bcj20160632] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Revised: 03/01/2017] [Accepted: 03/03/2017] [Indexed: 12/22/2022]
Abstract
The RUNX1 transcription factor is a critical regulator of normal haematopoiesis and its functional disruption by point mutations, deletions or translocations is a major causative factor leading to leukaemia. In the majority of cases, genetic changes in RUNX1 are linked to loss of function classifying it broadly as a tumour suppressor. Despite this, several recent studies have reported the need for a certain level of active RUNX1 for the maintenance and propagation of acute myeloid leukaemia and acute lymphoblastic leukaemia cells, suggesting an oncosupportive role of RUNX1. Furthermore, in solid cancers, RUNX1 is overexpressed compared with normal tissue, and RUNX factors have recently been discovered to promote growth of skin, oral, breast and ovarian tumour cells, amongst others. RUNX factors have key roles in stem cell fate regulation during homeostasis and regeneration of many tissues. Cancer cells appear to have corrupted these stem cell-associated functions of RUNX factors to promote oncogenesis. Here, we discuss current knowledge on the role of RUNX genes in stem cells and as oncosupportive factors in haematological malignancies and epithelial cancers.
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46
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Riggio AI, Blyth K. The enigmatic role of RUNX1 in female-related cancers - current knowledge & future perspectives. FEBS J 2017; 284:2345-2362. [PMID: 28304148 DOI: 10.1111/febs.14059] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Revised: 02/15/2017] [Accepted: 03/13/2017] [Indexed: 12/15/2022]
Abstract
Historically associated with the aetiology of human leukaemia, the runt-related transcription factor 1 (RUNX1) gene has in recent years reared its head in an assortment of epithelial cancers. This review discusses the state-of-the-art knowledge of the enigmatic role played by RUNX1 in female-related cancers of the breast, the uterus and the ovary. The weight of evidence accumulated so far is indicative of a very context-dependent role, as either an oncogene or a tumour suppressor. This is corroborated by high-throughput sequencing endeavours which report different genetic alterations affecting the gene, including amplification, deep deletion and mutations. Herein, we attempt to dissect that contextual role by firstly giving an overview of what is currently known about RUNX1 function in these specific tumour types, and secondly by delving into connections between this transcription factor and the physiology of these female tissues. In doing so, RUNX1 emerges not only as a gene involved in female sex development but also as a crucial mediator of female hormone signalling. In view of RUNX1 now being listed as a driver gene, we believe that greater knowledge of the mechanisms underlying its functional dualism in epithelial cancers is worthy of further investigation.
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Affiliation(s)
| | - Karen Blyth
- Cancer Research UK Beatson Institute, Bearsden, Glasgow, UK
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47
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VanOudenhove JJ, Medina R, Ghule PN, Lian JB, Stein JL, Zaidi SK, Stein GS. Precocious Phenotypic Transcription-Factor Expression During Early Development. J Cell Biochem 2017; 118:953-958. [PMID: 27591551 DOI: 10.1002/jcb.25723] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Accepted: 09/01/2016] [Indexed: 01/20/2023]
Abstract
A novel role for phenotypic transcription factors in very early differentiation was recently observed and merits further study to elucidate what role this precocious expression may have in development. The RUNX1 transcription factor exhibits selective and transient upregulation during early mesenchymal differentiation. In contrast to phenotype-associated transcriptional control of gene expression to establish and sustain hematopoietic/myeloid lineage identity, precocious expression of RUNX1 is functionally linked to control of an epithelial to mesenchymal transition that is obligatory for development. This early RUNX1 expression spike provides a paradigm for precocious expression of a phenotypic transcription factor that invites detailed mechanistic study to fully understand its biological importance. J. Cell. Biochem. 118: 953-958, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Jennifer J VanOudenhove
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, Vermont 05405.,Department of Cell and Developmental Biology, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, Massachusetts 01655
| | - Ricardo Medina
- Department of Cell and Developmental Biology, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, Massachusetts 01655
| | - Prachi N Ghule
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, Vermont 05405
| | - Jane B Lian
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, Vermont 05405
| | - Janet L Stein
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, Vermont 05405
| | - Sayyed K Zaidi
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, Vermont 05405
| | - Gary S Stein
- Department of Biochemistry and University of Vermont Cancer Center, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, Vermont 05405
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48
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Runx Family Genes in Tissue Stem Cell Dynamics. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 962:117-138. [PMID: 28299655 DOI: 10.1007/978-981-10-3233-2_9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The Runx family genes play important roles in development and cancer, largely via their regulation of tissue stem cell behavior. Their involvement in two organs, blood and skin, is well documented. This review summarizes currently known Runx functions in the stem cells of these tissues. The fundamental core mechanism(s) mediated by Runx proteins has been sought; however, it appears that there does not exist one single common machinery that governs both tissue stem cells. Instead, Runx family genes employ multiple spatiotemporal mechanisms in regulating individual tissue stem cell populations. Such specific Runx requirements have been unveiled by a series of cell type-, developmental stage- or age-specific gene targeting studies in mice. Observations from these experiments revealed that the regulation of stem cells by Runx family genes turned out to be far more complex than previously thought. For instance, although it has been reported that Runx1 is required for the endothelial-to-hematopoietic cell transition (EHT) but not thereafter, recent studies clearly demonstrated that Runx1 is also needed during the period subsequent to EHT, namely at perinatal stage. In addition, Runx1 ablation in the embryonic skin mesenchyme eventually leads to complete loss of hair follicle stem cells (HFSCs) in the adult epithelium, suggesting that Runx1 facilitates the specification of skin epithelial stem cells in a cell extrinsic manner. Further in-depth investigation into how Runx family genes are involved in stem cell regulation is warranted.
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49
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Sangpairoj K, Vivithanaporn P, Apisawetakan S, Chongthammakun S, Sobhon P, Chaithirayanon K. RUNX1 Regulates Migration, Invasion, and Angiogenesis via p38 MAPK Pathway in Human Glioblastoma. Cell Mol Neurobiol 2016; 37:1243-1255. [PMID: 28012022 DOI: 10.1007/s10571-016-0456-y] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Accepted: 12/16/2016] [Indexed: 12/12/2022]
Abstract
Runt-related transcription factor 1 (RUNX1) is essential for the establishment of fetal and adult hematopoiesis and neuronal development. Aberrant expression of RUNX1 led to proliferation and metastasis of several cancers. The aim of the present study was to investigate the role of RUNX1 in migration, invasion, and angiogenesis of human glioblastoma using IL-1β-treated U-87 MG human glioblastoma cells as a model. IL-1β at 10 ng/ml stimulated translocation of RUNX1 into the nucleus with increased expressions of RUNX1, MMP-1, MMP-2, MMP-9, MMP-19, and VEGFA in U-87 MG cells. In addition, silencing of RUNX1 gene significantly suppressed U-87 MG cell migration and invasion abilities. Moreover, knockdown of RUNX1 mRNA in U-87 MG cells reduced the tube formation of human umbilical vein endothelial cells. Further investigation revealed that IL-1β-induced RUNX1 expression might be mediated via the p38 mitogen-activated protein kinase (MAPK) signaling molecule for the expression of these invasion- and angiogenic-related molecules. Together with an inhibitor of p38 MAPK (SB203580) could decrease RUNX1 mRNA expression. Thus, RUNX1 may be one of the putative molecular targeted therapies against glioma metastasis and angiogenesis through the activation of p38 MAPK signaling pathway.
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Affiliation(s)
- Kant Sangpairoj
- Department of Anatomy, Faculty of Science, Mahidol University, Ratchathewi, Bangkok, 10400, Thailand
| | - Pornpun Vivithanaporn
- Department of Pharmacology, Faculty of Science, Mahidol University, Ratchathewi, Bangkok, 10400, Thailand
| | - Somjai Apisawetakan
- Department of Anatomy, Faculty of Medicine, Srinakharinwirot University, Wattana, Bangkok, 10110, Thailand
| | - Sukumal Chongthammakun
- Department of Anatomy, Faculty of Science, Mahidol University, Ratchathewi, Bangkok, 10400, Thailand
| | - Prasert Sobhon
- Department of Anatomy, Faculty of Science, Mahidol University, Ratchathewi, Bangkok, 10400, Thailand
- Faculty of Allied Health Sciences, Burapha University, Mueang District, Chonburi, 20131, Thailand
| | - Kulathida Chaithirayanon
- Department of Anatomy, Faculty of Science, Mahidol University, Ratchathewi, Bangkok, 10400, Thailand.
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50
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Recouvreux MS, Grasso EN, Echeverria PC, Rocha-Viegas L, Castilla LH, Schere-Levy C, Tocci JM, Kordon EC, Rubinstein N. RUNX1 and FOXP3 interplay regulates expression of breast cancer related genes. Oncotarget 2016; 7:6552-65. [PMID: 26735887 PMCID: PMC4872732 DOI: 10.18632/oncotarget.6771] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Accepted: 11/28/2015] [Indexed: 12/21/2022] Open
Abstract
Runx1 participation in epithelial mammary cells is still under review. Emerging data indicates that Runx1 could be relevant for breast tumor promotion. However, to date no studies have specifically evaluated the functional contribution of Runx1 to control gene expression in mammary epithelial tumor cells. It has been described that Runx1 activity is defined by protein context interaction. Interestingly, Foxp3 is a breast tumor suppressor gene. Here we show that endogenous Runx1 and Foxp3 physically interact in normal mammary cells and this interaction blocks Runx1 transcriptional activity. Furthermore we demonstrate that Runx1 is able to bind to R-spondin 3 (RSPO3) and Gap Junction protein Alpha 1 (GJA1) promoters. This binding upregulates Rspo3 oncogene expression and downregulates GJA1 tumor suppressor gene expression in a Foxp3-dependent manner. Moreover, reduced Runx1 transcriptional activity decreases tumor cell migration properties. Collectively, these data provide evidence of a new mechanism for breast tumor gene expression regulation, in which Runx1 and Foxp3 physically interact to control mammary epithelial cell gene expression fate. Our work suggests for the first time that Runx1 could be involved in breast tumor progression depending on Foxp3 availability.
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Affiliation(s)
- María Sol Recouvreux
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE-UBA-CONICET), Buenos Aires, Argentina.,Present Address: Oncology Institute "Angel H Roffo", Buenos Aires, Argentina
| | - Esteban Nicolás Grasso
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE-UBA-CONICET), Buenos Aires, Argentina.,Present Address: Immunopharmacology Laboratory, IQUIBICEN-CONICET, FCEN-UBA, Buenos Aires, Argentina
| | | | - Luciana Rocha-Viegas
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE-UBA-CONICET), Buenos Aires, Argentina.,Departamento de Fisiología y Biología Molecular y Celular, Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
| | - Lucio Hernán Castilla
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Medical School, Worcester, MA, USA
| | - Carolina Schere-Levy
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE-UBA-CONICET), Buenos Aires, Argentina
| | - Johanna Melisa Tocci
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE-UBA-CONICET), Buenos Aires, Argentina
| | - Edith Claudia Kordon
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE-UBA-CONICET), Buenos Aires, Argentina.,Departamento de Química Biológica, UBA, Buenos Aires, Argentina
| | - Natalia Rubinstein
- Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE-UBA-CONICET), Buenos Aires, Argentina.,Departamento de Fisiología y Biología Molecular y Celular, Facultad de Ciencias Exactas y Naturales, UBA, Buenos Aires, Argentina
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