1
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Wang L, Mohanasundaram P, Lindström M, Asghar MN, Sultana G, Misiorek JO, Jiu Y, Chen H, Chen Z, Toivola DM, Cheng F, Eriksson JE. Vimentin Suppresses Inflammation and Tumorigenesis in the Mouse Intestine. Front Cell Dev Biol 2022; 10:862237. [PMID: 35399505 PMCID: PMC8993042 DOI: 10.3389/fcell.2022.862237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 02/22/2022] [Indexed: 01/03/2023] Open
Abstract
Vimentin has been implicated in wound healing, inflammation, and cancer, but its functional contribution to intestinal diseases is poorly understood. To study how vimentin is involved during tissue injury and repair of simple epithelium, we induced colonic epithelial cell damage in the vimentin null (Vim−/−) mouse model. Vim−/− mice challenged with dextran sodium sulfate (DSS) had worse colitis manifestations than wild-type (WT) mice. Vim−/− colons also produced more reactive oxygen and nitrogen species, possibly contributing to the pathogenesis of gut inflammation and tumorigenesis than in WT mice. We subsequently describe that CD11b+ macrophages served as the mainly cellular source of reactive oxygen species (ROS) production via vimentin-ROS-pSTAT3–interleukin-6 inflammatory pathways. Further, we demonstrated that Vim−/− mice did not develop colitis-associated cancer model upon DSS treatment spontaneously but increased tumor numbers and size in the distal colon in the azoxymethane/DSS model comparing with WT mice. Thus, vimentin has a crucial role in protection from colitis induction and tumorigenesis of the colon.
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Affiliation(s)
- Linglu Wang
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
| | - Ponnuswamy Mohanasundaram
- Cell Biology, Biosciences, Faculty of Science and Engineering, Åbo Akademi University, Turku, Finland
| | - Michelle Lindström
- Cell Biology, Biosciences, Faculty of Science and Engineering, Åbo Akademi University, Turku, Finland
| | - Muhammad Nadeem Asghar
- Cell Biology, Biosciences, Faculty of Science and Engineering, Åbo Akademi University, Turku, Finland
| | - Giulia Sultana
- Cell Biology, Biosciences, Faculty of Science and Engineering, Åbo Akademi University, Turku, Finland
| | - Julia O Misiorek
- Cell Biology, Biosciences, Faculty of Science and Engineering, Åbo Akademi University, Turku, Finland.,Department of Molecular Neurooncology, Institute of Bioorganic Chemistry Polish Academy of Sciences, Poznan, Poland
| | - Yaming Jiu
- Key Laboratory of Molecular Virology and Immunology, The Center for Microbes, Development and Health, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Hongbo Chen
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
| | - Zhi Chen
- Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Diana M Toivola
- Cell Biology, Biosciences, Faculty of Science and Engineering, Åbo Akademi University, Turku, Finland.,Turku Center for Disease Modeling, University of Turku, Turku, Finland.,InFLAMES Research Flagship Center, Åbo Akademi University, Turku, Finland
| | - Fang Cheng
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, China
| | - John E Eriksson
- Cell Biology, Biosciences, Faculty of Science and Engineering, Åbo Akademi University, Turku, Finland.,InFLAMES Research Flagship Center, Åbo Akademi University, Turku, Finland
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2
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Ouyang X, You S, Zhang Y, Zhang C, Zhang G, Shao X, He F, Hu L. Transplantation of Human Amnion Epithelial Cells Improves Endometrial Regeneration in Rat Model of Intrauterine Adhesions. Stem Cells Dev 2020; 29:1346-1362. [PMID: 32772798 DOI: 10.1089/scd.2019.0246] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Intrauterine adhesions (IUAs) are characterized by the injury of endometrium due to curettage and/or endometritis. The loss of functional endometrium in uterine cavity usually results in hypomenorrhea, amenorrhea, infertility, and/or recurrent pregnancy loss. Recently, stem cell transplantation has been applied to promote the endometrial regeneration. Human amnion epithelial cells (hAECs) have been shown to have stem cell characteristics. In this study, we found that PKH26-labeled hAECs were mainly distributed in the basal layer of endometrium after transplantation, and hAEC transplantation, including uterine injection and tail vein injection, could increase pregnancy rate and the number of embryos in rat model of IUAs. Moreover, hAEC transplantation was demonstrated to increase the endometrial thickness, promote the proliferation of glands and blood vessels, and decrease fibrotic areas in the endometrium. The immunohistochemical and quantitative polymerase chain reaction analysis showed the upregulated expression of growth factors, such as basic fibroblast growth factor (bFGF), vascular endothelial growth factor (VEGF), insulin-like growth factor-1 (IGF-1) after hAEC transplantation; and the downregulated expression of collagen type I alpha 1 (COL1A1), tissue inhibitor of metalloproteinase-1 (TIMP-1), and transforming growth factor-β (TGF-β), all of which are associated with the extracellular matrix (ECM) deposition after hAEC transplantation. The mRNA sequencing indicated that platelet-derived growth factor-C (PDGF-C), thrombospondin-1 (THBS1), connective tissue growth factor (CTGF), Wnt5a, and Snai2 were significantly modulated in treatment groups. These results indicate that hAEC transplantation promotes endometrial regeneration and the restoration of fertility in rat model of IUAs.
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Affiliation(s)
- Xiaolan Ouyang
- The Center for Reproductive Medicine, Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Shuang You
- The Center for Reproductive Medicine, Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yulin Zhang
- The Center for Reproductive Medicine, Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Chanyu Zhang
- The Center for Reproductive Medicine, Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Reproduction and Stem Cell Therapy Research Center of Chongqing, Chongqing, China.,Joint International Research Laboratory for Reproduction and Development, Ministry of Education, Chongqing, China
| | - Guanghui Zhang
- Chongqing Engineering Technology Research Center of Stem Cell and Neural Regeneration, Chongqing, China.,Chongqing Guolian Stem Cell Technology Co. Ltd., Chongqing, China
| | - Xiaoyan Shao
- Shanghai iCELL Biotechnology Co. Ltd., Shanghai, China
| | - Fan He
- The Center for Reproductive Medicine, Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Reproduction and Stem Cell Therapy Research Center of Chongqing, Chongqing, China.,Joint International Research Laboratory for Reproduction and Development, Ministry of Education, Chongqing, China
| | - Lina Hu
- The Center for Reproductive Medicine, Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Reproduction and Stem Cell Therapy Research Center of Chongqing, Chongqing, China.,Joint International Research Laboratory for Reproduction and Development, Ministry of Education, Chongqing, China
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3
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Zhu P, Zhang C, Gao Y, Wu F, Zhou Y, Wu WS. The transcription factor Slug represses p16 Ink4a and regulates murine muscle stem cell aging. Nat Commun 2019; 10:2568. [PMID: 31189923 PMCID: PMC6561969 DOI: 10.1038/s41467-019-10479-4] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 05/14/2019] [Indexed: 01/21/2023] Open
Abstract
Activation of the p16Ink4a-associated senescence pathway during aging breaks muscle homeostasis and causes degenerative muscle disease by irreversibly dampening satellite cell (SC) self-renewal capacity. Here, we report that the zinc-finger transcription factor Slug is highly expressed in quiescent SCs of mice and functions as a direct transcriptional repressor of p16Ink4a. Loss of Slug promotes derepression of p16Ink4a in SCs and accelerates the entry of SCs into a fully senescent state upon damage-induced stress. p16Ink4a depletion partially rescues defects in Slug-deficient SCs. Furthermore, reduced Slug expression is accompanied by p16Ink4a accumulation in aged SCs. Slug overexpression ameliorates aged muscle regeneration by enhancing SC self-renewal through active repression of p16Ink4a transcription. Our results identify a cell-autonomous mechanism underlying functional defects of SCs at advanced age. As p16Ink4a dysregulation is the chief cause for regenerative defects of human geriatric SCs, these findings highlight Slug as a potential therapeutic target for aging-associated degenerative muscle disease. Muscle regeneration depends on self-renewal of muscle stem cells but how this is regulated on aging is unclear. Here, the authors identify Slug as regulating p16Ink4a in quiescent muscle stem cells, and when Slug expression reduces in aged stem cells, p16Ink4a accumulates, causing regenerative defects.
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Affiliation(s)
- Pei Zhu
- Department of Medicine, College of Medicine, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Chunping Zhang
- Department of Medicine, College of Medicine, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Yongxing Gao
- Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA
| | - Furen Wu
- Department of Medicine, College of Medicine, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Yalu Zhou
- Department of Medicine, College of Medicine, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Wen-Shu Wu
- Department of Medicine, College of Medicine, University of Illinois at Chicago, Chicago, IL, 60612, USA.
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4
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Parsana P, Amend SR, Hernandez J, Pienta KJ, Battle A. Identifying global expression patterns and key regulators in epithelial to mesenchymal transition through multi-study integration. BMC Cancer 2017. [PMID: 28651527 PMCID: PMC5485747 DOI: 10.1186/s12885-017-3413-3] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Background Epithelial to mesenchymal transition (EMT) is the process by which stationary epithelial cells transdifferentiate to mesenchymal cells with increased motility. EMT is integral in early stages of development and wound healing. Studies have shown that EMT could be a critical early event in tumor metastasis that is involved in acquisition of migratory and invasive properties in multiple carcinomas. Methods In this study, we used 15 published gene expression microarray datasets from Gene Expression Omnibus (GEO) that represent 12 cell lines from 6 cancer types across 95 observations (45 unique samples and 50 replicates) with different modes of induction of EMT or the reverse transition, mesenchymal to epithelial transition (MET). We integrated multiple gene expression datasets while considering study differences, batch effects, and noise in gene expression measurements. A universal differential EMT gene list was obtained by normalizing and correcting the data using four approaches, computing differential expression from each, and identifying a consensus ranking. We confirmed our discovery of novel EMT genes at mRNA and protein levels in an in vitro EMT model of prostate cancer – PC3 epi, EMT and Taxol resistant cell lines. We validate our discovery of C1orf116 as a novel EMT regulator by siRNA knockdown of C1orf116 in PC3 epithelial cells. Results Among differentially expressed genes, we found known epithelial and mesenchymal marker genes such as CDH1 and ZEB1. Additionally, we discovered genes known in a subset of carcinomas that were unknown in prostate cancer. This included epithelial specific LSR and S100A14 and mesenchymal specific DPYSL3. Furthermore, we also discovered novel EMT genes including a poorly-characterized gene C1orf116. We show that decreased expression of C1orf116 is associated with poor prognosis in lung and prostate cancer patients. We demonstrate that knockdown of C1orf116 expression induced expression of mesenchymal genes in epithelial prostate cancer cell line PC3-epi cells, suggesting it as a candidate driver of the epithelial phenotype. Conclusions This comprehensive approach of statistical analysis and functional validation identified global expression patterns in EMT and candidate regulatory genes, thereby both extending current knowledge and identifying novel drivers of EMT. Electronic supplementary material The online version of this article (doi:10.1186/s12885-017-3413-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Princy Parsana
- Department of Computer Science, Johns Hopkins University, Baltimore, MD, 21218, USA
| | - Sarah R Amend
- Department of Urology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - James Hernandez
- Department of Urology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Kenneth J Pienta
- Department of Urology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA
| | - Alexis Battle
- Department of Computer Science, Johns Hopkins University, Baltimore, MD, 21218, USA.
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5
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von Maltzan K, Li Y, Rundhaug JE, Hudson LG, Fischer SM, Kusewitt DF. Role of the Slug Transcription Factor in Chemically-Induced Skin Cancer. J Clin Med 2016; 5:jcm5020021. [PMID: 26848699 PMCID: PMC4773777 DOI: 10.3390/jcm5020021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 01/15/2016] [Accepted: 01/25/2016] [Indexed: 12/17/2022] Open
Abstract
The Slug transcription factor plays an important role in ultraviolet radiation (UVR)-induced skin carcinogenesis, particularly in the epithelial-mesenchymal transition (EMT) occurring during tumor progression. In the present studies, we investigated the role of Slug in two-stage chemical skin carcinogenesis. Slug and the related transcription factor Snail were expressed at high levels in skin tumors induced by 7,12-dimethylbenz[α]anthracene application followed by 12-O-tetradecanoylphorbol-13-acetate (TPA) treatment. TPA-induced transient elevation of Slug and Snail proteins in normal mouse epidermis and studies in Slug transgenic mice indicated that Slug modulates TPA-induced epidermal hyperplasia and cutaneous inflammation. Although Snail family factors have been linked to inflammation via interactions with the cyclooxygenase-2 (COX-2) pathway, a pathway that also plays an important role in skin carcinogenesis, transient TPA induction of Slug and Snail appeared unrelated to COX-2 expression. In cultured human keratinocytes, TPA induced Snail mRNA expression while suppressing Slug expression, and this differential regulation was due specifically to activation of the TPA receptor. These studies show that Slug and Snail exhibit similar patterns of expression during both UVR and chemical skin carcinogenesis, that Slug and Snail can be differentially regulated under some conditions and that in vitro findings may not recapitulate in vivo results.
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Affiliation(s)
- Kristine von Maltzan
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas M.D. Anderson Cancer Center, P.O. Box 389, Smithville, TX 78957, USA.
| | - Yafan Li
- Program in Toxicology and Pharmacology, College of Pharmacy, University of New Mexico Health Sciences Center, MSC 09 5360, 1 University of New Mexico, Albuquerque, NM 87131, USA.
| | - Joyce E Rundhaug
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas M.D. Anderson Cancer Center, P.O. Box 389, Smithville, TX 78957, USA.
| | - Laurie G Hudson
- Program in Toxicology and Pharmacology, College of Pharmacy, University of New Mexico Health Sciences Center, MSC 09 5360, 1 University of New Mexico, Albuquerque, NM 87131, USA.
| | - Susan M Fischer
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas M.D. Anderson Cancer Center, P.O. Box 389, Smithville, TX 78957, USA.
| | - Donna F Kusewitt
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas M.D. Anderson Cancer Center, P.O. Box 389, Smithville, TX 78957, USA.
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6
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Development and Characterization of a Novel in vitro Progression Model for UVB-Induced Skin Carcinogenesis. Sci Rep 2015; 5:13894. [PMID: 26349906 PMCID: PMC4563561 DOI: 10.1038/srep13894] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Accepted: 08/07/2015] [Indexed: 12/13/2022] Open
Abstract
Epidemiological studies suggest ultraviolet B (UVB) component (290–320 nm) of sun light is the most prevalent etiologic factor for skin carcinogenesis- a disease accounting for more than two million new cases each year in the USA alone. Development of UVB-induced skin carcinoma is a multistep and complex process. The molecular events that occur during UVB-induced skin carcinogenesis are poorly understood largely due to the lack of an appropriate cellular model system. Therefore, to make a progress in this area, we have developed an in vitro model for UVB-induced skin cancer using immortalized human epidermal keratinocyte (HaCaT) cells through repetitive exposure to UVB radiation. We demonstrate that UVB-transformed HaCaT cells gain enhanced proliferation rate, apoptosis-resistance, and colony- and sphere-forming abilities in a progressive manner. Moreover, these cells exhibit increased aggressiveness with enhanced migration and invasive potential and mesenchymal phenotypes. Furthermore, these derived cells are able to form aggressive squamous cell carcinoma upon inoculation into the nude mice, while parental HaCaT cells remain non-tumorigenic. Together, these novel, UVB-transformed progression model cell lines can be very helpful in gaining valuable mechanistic insight into UVB-induced skin carcinogenesis, identification of novel molecular targets of diagnostic and therapeutic significance, and in vitro screening for novel preventive and therapeutic agents.
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7
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Villarejo A, Molina-Ortiz P, Montenegro Y, Moreno-Bueno G, Morales S, Santos V, Gridley T, Pérez-Moreno MA, Peinado H, Portillo F, Calés C, Cano A. Loss of Snail2 favors skin tumor progression by promoting the recruitment of myeloid progenitors. Carcinogenesis 2015; 36:585-97. [PMID: 25784375 DOI: 10.1093/carcin/bgv021] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Snail2 is a zinc finger transcription factor involved in driving epithelial to mesenchymal transitions. Snail2 null mice are viable, but display defects in melanogenesis, gametogenesis and hematopoiesis, and are markedly radiosensitive. Here, using mouse genetics, we have studied the contributions of Snail2 to epidermal homeostasis and skin carcinogenesis. Snail2 (-/-) mice presented a defective epidermal terminal differentiation and, unexpectedly, an increase in number, size and malignancy of tumor lesions when subjected to the two-stage mouse skin chemical carcinogenesis protocol, compared with controls. Additionally, tumor lesions from Snail2 (-/-) mice presented a high inflammatory component with an elevated percentage of myeloid precursors in tumor lesions that was further increased in the presence of the anti-inflammatory agent dexamethasone. In vitro studies in Snail2 null keratinocytes showed that loss of Snail2 leads to a decrease in proliferation indicating a non-cell autonomous role for Snail2 in the skin carcinogenic response observed in vivo. Bone marrow (BM) cross-reconstitution assays between Snail2 wild-type and null mice showed that Snail2 absence in the hematopoietic system fully reproduces the tumor behavior of the Snail2 null mice and triggers the accumulation of myeloid precursors in the BM, blood and tumor lesions. These results indicate a new role for Snail2 in preventing myeloid precursors recruitment impairing skin chemical carcinogenesis progression.
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Affiliation(s)
- Ana Villarejo
- Departamento de Bioquímica, Universidad Autónoma de Madrid: Instituto de Investigaciones Biomédicas "Alberto Sols" CSIC-UAM; IdiPAZ, Madrid 28029, Spain
| | - Patricia Molina-Ortiz
- Departamento de Bioquímica, Universidad Autónoma de Madrid: Instituto de Investigaciones Biomédicas "Alberto Sols" CSIC-UAM; IdiPAZ, Madrid 28029, Spain
| | - Yenny Montenegro
- Departamento de Bioquímica, Universidad Autónoma de Madrid: Instituto de Investigaciones Biomédicas "Alberto Sols" CSIC-UAM; IdiPAZ, Madrid 28029, Spain
| | - Gema Moreno-Bueno
- Departamento de Bioquímica, Universidad Autónoma de Madrid: Instituto de Investigaciones Biomédicas "Alberto Sols" CSIC-UAM; IdiPAZ, Madrid 28029, Spain, Fundación MD Anderson International Madrid, Madrid 28033, Spain
| | - Saleta Morales
- Departamento de Bioquímica, Universidad Autónoma de Madrid: Instituto de Investigaciones Biomédicas "Alberto Sols" CSIC-UAM; IdiPAZ, Madrid 28029, Spain
| | - Vanesa Santos
- Departamento de Bioquímica, Universidad Autónoma de Madrid: Instituto de Investigaciones Biomédicas "Alberto Sols" CSIC-UAM; IdiPAZ, Madrid 28029, Spain
| | - Tom Gridley
- Center for Molecular Medicine, Maine Medical Center Research Institute, Scarborough, ME 04074, USA
| | - Mirna A Pérez-Moreno
- Cancer Biology Program, Centro Nacional de Investigaciones Oncológicas, Madrid 28029, Spain and
| | - Héctor Peinado
- Department of Pediatrics, Cell and Developmental Biology, Weill Cornell Medical College, New York, NY 10021, USA
| | - Francisco Portillo
- Departamento de Bioquímica, Universidad Autónoma de Madrid: Instituto de Investigaciones Biomédicas "Alberto Sols" CSIC-UAM; IdiPAZ, Madrid 28029, Spain
| | - Carmela Calés
- Departamento de Bioquímica, Universidad Autónoma de Madrid: Instituto de Investigaciones Biomédicas "Alberto Sols" CSIC-UAM; IdiPAZ, Madrid 28029, Spain
| | - Amparo Cano
- Departamento de Bioquímica, Universidad Autónoma de Madrid: Instituto de Investigaciones Biomédicas "Alberto Sols" CSIC-UAM; IdiPAZ, Madrid 28029, Spain,
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8
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Coleman DJ, Chagani S, Hyter S, Sherman AM, Löhr CV, Liang X, Ganguli-Indra G, Indra AK. Loss of keratinocytic RXRα combined with activated CDK4 or oncogenic NRAS generates UVB-induced melanomas via loss of p53 and PTEN in the tumor microenvironment. Mol Cancer Res 2014; 13:186-96. [PMID: 25189354 DOI: 10.1158/1541-7786.mcr-14-0164] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
UNLABELLED Understanding the molecular mechanisms behind formation of melanoma, the deadliest form of skin cancer, is crucial for improved diagnosis and treatment. One key is to better understand the cross-talk between epidermal keratinocytes and pigment-producing melanocytes. Here, using a bigenic mouse model system combining mutant oncogenic NRAS(Q61K) (constitutively active RAS) or mutant activated CDK4(R24C/R24C) (prevents binding of CDK4 by kinase inhibitor p16(INK4A)) with an epidermis-specific knockout of the nuclear retinoid X receptor alpha (RXRα(ep-/-)) results in increased melanoma formation after chronic ultraviolet-B (UVB) irradiation compared with control mice with functional RXRα. Melanomas from both groups of bigenic RXRα(ep-/-) mice are larger in size with higher proliferative capacity, and exhibit enhanced angiogenic properties and increased expression of malignant melanoma markers. Analysis of tumor adjacent normal skin from these mice revealed altered expression of several biomarkers indicative of enhanced melanoma susceptibility, including reduced expression of tumor suppressor p53 and loss of PTEN, with concomitant increase in activated AKT. Loss of epidermal RXRα in combination with UVB significantly enhances invasion of melanocytic cells to draining lymph nodes in bigenic mice expressing oncogenic NRAS(Q61K) compared with controls with functional RXRα. These results suggest a crucial role of keratinocytic RXRα to suppress formation of UVB-induced melanomas and their progression to malignant cancers in the context of driver mutations such as activated CDK4(R24C/R24C) or oncogenic NRAS(Q61K). IMPLICATIONS These findings suggest that RXRα may serve as a clinical diagnostic marker and therapeutic target in melanoma progression and metastasis.
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Affiliation(s)
- Daniel J Coleman
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, Oregon. Molecular and Cellular Biology Program, Oregon State University, Corvallis, Oregon
| | - Sharmeen Chagani
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, Oregon. Molecular and Cellular Biology Program, Oregon State University, Corvallis, Oregon
| | - Stephen Hyter
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, Oregon. Molecular and Cellular Biology Program, Oregon State University, Corvallis, Oregon
| | - Anna M Sherman
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, Oregon. BioResource Research Program, College of Agricultural Sciences, Oregon State University, Corvallis, Oregon
| | - Christiane V Löhr
- College of Veterinary Medicine, Oregon State University, Corvallis, Oregon
| | - Xiaobo Liang
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, Oregon
| | - Gitali Ganguli-Indra
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, Oregon. Molecular and Cellular Biology Program, Oregon State University, Corvallis, Oregon
| | - Arup K Indra
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, Oregon. Molecular and Cellular Biology Program, Oregon State University, Corvallis, Oregon. Environmental Health Science Center, Oregon State University, Corvallis, Oregon. Department of Dermatology, Oregon Health and Science University, Portland, Oregon.
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9
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Montagner A, Delgado MB, Tallichet-Blanc C, Chan JSK, Sng MK, Mottaz H, Degueurce G, Lippi Y, Moret C, Baruchet M, Antsiferova M, Werner S, Hohl D, Al Saati T, Farmer PJ, Tan NS, Michalik L, Wahli W. Src is activated by the nuclear receptor peroxisome proliferator-activated receptor β/δ in ultraviolet radiation-induced skin cancer. EMBO Mol Med 2014; 6:80-98. [PMID: 24203162 PMCID: PMC3936491 DOI: 10.1002/emmm.201302666] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2013] [Revised: 09/25/2013] [Accepted: 09/26/2013] [Indexed: 02/04/2023] Open
Abstract
Although non-melanoma skin cancer (NMSC) is the most common human cancer and its incidence continues to rise worldwide, the mechanisms underlying its development remain incompletely understood. Here, we unveil a cascade of events involving peroxisome proliferator-activated receptor (PPAR) β/δ and the oncogene Src, which promotes the development of ultraviolet (UV)-induced skin cancer in mice. UV-induced PPARβ/δ activity, which directly stimulated Src expression, increased Src kinase activity and enhanced the EGFR/Erk1/2 signalling pathway, resulting in increased epithelial-to-mesenchymal transition (EMT) marker expression. Consistent with these observations, PPARβ/δ-null mice developed fewer and smaller skin tumours, and a PPARβ/δ antagonist prevented UV-dependent Src stimulation. Furthermore, the expression of PPARβ/δ positively correlated with the expression of SRC and EMT markers in human skin squamous cell carcinoma (SCC), and critically, linear models applied to several human epithelial cancers revealed an interaction between PPARβ/δ and SRC and TGFβ1 transcriptional levels. Taken together, these observations motivate the future evaluation of PPARβ/δ modulators to attenuate the development of several epithelial cancers.
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Affiliation(s)
- Alexandra Montagner
- Center for Integrative Genomics, National Research Center Frontiers in Genetics, University of LausanneLe Genopode, Lausanne, Switzerland
| | - Maria B Delgado
- Center for Integrative Genomics, National Research Center Frontiers in Genetics, University of LausanneLe Genopode, Lausanne, Switzerland
| | - Corinne Tallichet-Blanc
- Center for Integrative Genomics, National Research Center Frontiers in Genetics, University of LausanneLe Genopode, Lausanne, Switzerland
| | - Jeremy S K Chan
- School of Biological Sciences, Nanyang Technological UniversityNanyang Drive, Singapore, Singapore
| | - Ming K Sng
- School of Biological Sciences, Nanyang Technological UniversityNanyang Drive, Singapore, Singapore
| | - Hélène Mottaz
- Center for Integrative Genomics, National Research Center Frontiers in Genetics, University of LausanneLe Genopode, Lausanne, Switzerland
| | - Gwendoline Degueurce
- Center for Integrative Genomics, National Research Center Frontiers in Genetics, University of LausanneLe Genopode, Lausanne, Switzerland
| | - Yannick Lippi
- GeT-TRiX Facility, INRA ToxAlim, UMR1331Chemin de Tournefeuille, Toulouse Cedex, France
| | - Catherine Moret
- Center for Integrative Genomics, National Research Center Frontiers in Genetics, University of LausanneLe Genopode, Lausanne, Switzerland
| | - Michael Baruchet
- Center for Integrative Genomics, National Research Center Frontiers in Genetics, University of LausanneLe Genopode, Lausanne, Switzerland
| | - Maria Antsiferova
- Department of Biology, Institute of Molecular Health Sciences, ETH ZurichSchafmattstrasse, Zurich, Switzerland
| | - Sabine Werner
- Department of Biology, Institute of Molecular Health Sciences, ETH ZurichSchafmattstrasse, Zurich, Switzerland
| | - Daniel Hohl
- Department of Dermatology, University Hospital of Lausanne (CHUV)Lausanne, Switzerland
| | - Talal Al Saati
- INSERM/UPS, US006/CREFRE, Histopathology Facility, Place du Docteur BaylacCHU Purpan, Toulouse Cedex, France
| | - Pierre J Farmer
- Exploratory Biomarker Analysis, Biomarker Technologies, Bioinformatics, Non Clinical Development, Merck Serono International S.A. SwitzerlandChemin des Mines, Geneva, Switzerland
| | - Nguan S Tan
- School of Biological Sciences, Nanyang Technological UniversityNanyang Drive, Singapore, Singapore
- Institute of Molecular and Cell Biology, Biopolis DriveProteos, Singapore, Singapore
| | - Liliane Michalik
- Center for Integrative Genomics, National Research Center Frontiers in Genetics, University of LausanneLe Genopode, Lausanne, Switzerland
- *Corresponding author: Tel: +41 21 692 41 10; Fax: +41 21 692 41 15; E-mail:
| | - Walter Wahli
- Center for Integrative Genomics, National Research Center Frontiers in Genetics, University of LausanneLe Genopode, Lausanne, Switzerland
- Lee Kong Chian School of Medicine, Imperial College London, Nanyang Technological UniversitySingapore, Singapore
- **Corresponding author: Tel: +41 21 692 41 10; Fax: +41 21 692 41 15; E-mail:
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Perez CJ, Rundhaug JE, Johnson DG, Oberyszyn TM, Tober KL, Kusewitt DF. Slug expression in mouse skin and skin tumors is not regulated by p53. J Invest Dermatol 2013; 134:566-568. [PMID: 24008423 PMCID: PMC3947144 DOI: 10.1038/jid.2013.363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Carlos J Perez
- Department of Molecular Carcinogenesis, Science Park, University of Texas M.D. Anderson Cancer Center, Smithville, Texas, USA
| | - Joyce E Rundhaug
- Department of Molecular Carcinogenesis, Science Park, University of Texas M.D. Anderson Cancer Center, Smithville, Texas, USA
| | - David G Johnson
- Department of Molecular Carcinogenesis, Science Park, University of Texas M.D. Anderson Cancer Center, Smithville, Texas, USA
| | - Tatiana M Oberyszyn
- Department of Pathology, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio, USA
| | - Kathleen L Tober
- Department of Pathology, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio, USA
| | - Donna F Kusewitt
- Department of Molecular Carcinogenesis, Science Park, University of Texas M.D. Anderson Cancer Center, Smithville, Texas, USA.
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11
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The oncogenic GLI transcription factors facilitate keratinocyte survival and transformation upon exposure to genotoxic agents. Oncogene 2013; 33:2432-40. [PMID: 23792444 DOI: 10.1038/onc.2013.199] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2012] [Revised: 04/10/2013] [Accepted: 04/16/2013] [Indexed: 12/11/2022]
Abstract
Ultraviolet B (UVB) light is the principal aetiological factor associated with non-melanoma skin cancer, the most prevalent group of malignancies in the Caucasian population. Exposure to environmental chemicals has also been shown to promote skin carcinogenesis and, as for UVB, this is associated with the acquisition of genomic DNA damage. Cells respond to DNA damage by inducing cell cycle arrest to facilitate DNA repair, although apoptosis will occur if the damage is excessive. Oncogenes may drive carcinogenesis by disrupting the balanced control of cell cycle progression, DNA repair and apoptosis, allowing for the propagation of cells with damaged DNA. The transcription factors GLI1 and GLI2 have been implicated in both the initiation and progression of several cancers, including basal cell carcinoma. Here we show that GLI1 and an active mutant of GLI2 (ΔNGLI2) promote apoptotic resistance in N/TERT human keratinocytes upon exposure to UVB and the DNA-alkylating chemicals such as methyl methanesulphonate (MMS) and N-ethyl-N-nitrosurea. Compared with control and untreated N/TERT-GLI1 and -GLI2 cells, those that survived genotoxic insult formed significantly more colonies in soft agar and were significantly more invasive when grown in three-dimensional organotypic collagen gel cultures. Indeed, surviving N/TERT-GLI1 and -GLI2 cells expressed higher levels of the epithelial-to-mesenchymal transition markers Snail and vimentin, and a subpopulation of MMS-treated cells displayed an elongated fibroblast-like morphology with decreased levels of E-cadherin. Finally, whereas Bcl2 was strongly increased in N/TERT-GLI2 cells, the level of induction was weak in N/TERT-GLI1 cells, indicating that GLI1 may activate anti-apoptotic mechanisms(s) independently of Bcl2. In summary, our results show that GLI1 and GLI2 facilitate the propagation of cells with damaged DNA, and thus their expression may be naturally higher in cells that form the earliest precursor tumour lesions.
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12
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Chen H, Takahara M, Xie L, Takeuchi S, Tu Y, Nakahara T, Uchi H, Moroi Y, Furue M. Levels of the EMT-related protein Snail/Slug are not correlated with p53/p63 in cutaneous squamous cell carcinoma. J Cutan Pathol 2013; 40:651-6. [PMID: 23521708 DOI: 10.1111/cup.12142] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2010] [Revised: 03/22/2011] [Accepted: 04/10/2011] [Indexed: 01/05/2023]
Abstract
BACKGROUND The contribution of the E-cadherin transcriptional repressors Snail and Slug to invasion and metastasis has strengthened the evidence for the importance of epithelial-mesenchymal transition (EMT) in carcinoma progression. However, to the best of our knowledge, no study has described the immunohistochemical staining of the EMT-related proteins Snail/Slug in skin tumors and the correlation between Snail/Slug and tumor suppressor p53/p63. METHODS We performed immunohistological staining of Snail, Slug, E-cadherin, p53 and p63 in 20 archived specimens each of seborrheic keratosis (SK), actinic keratosis (AK) and squamous cell carcinoma in situ (SCCIS), and 53 specimens of cutaneous squamous cell carcinomas (SCC). Fifteen normal skin (NS) specimens served as controls. RESULTS Significant negative correlations were observed between Snail and E-cadherin expression and between Slug and E-cadherin expression (Snail: R(2) = 0.5432, p < 0.01; Slug: R(2) = 0.4666, p < 0.01). CONCLUSIONS The staining intensities of Snail and Slug are associated with decreased E-cadherin staining in SCC and this may promote EMT. However, the staining intensities of p53 and p63 are not significantly correlated with the loss of E-cadherin.
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Affiliation(s)
- Hongxiang Chen
- Department of Dermatology, Graduate School of Medical Sciences, Kyushu University, Higashi-ku, Fukuoka, Japan
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13
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Zhang XH, Liang X, Liang XH, Wang TS, Qi QR, Deng WB, Sha AG, Yang ZM. The mesenchymal-epithelial transition during in vitro decidualization. Reprod Sci 2013; 20:354-60. [PMID: 23302397 DOI: 10.1177/1933719112472738] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The epithelial-mesenchymal transition plays a critical role in embryonic development, cancer progression, and metastasis. Decidualization is the process by which the fibroblast-like endometrial stromal cells differentiate into polygonal epithelial-like cells. However, it is still unclear whether mesenchymal-epithelial transition (MET) occurs during decidualization. The aim of this study was to examine whether decidualization causes the downregulation of some mesenchymal markers and upregulation of some epithelial markers in cultured uterine stromal cells. We showed that decidualization causes the downregulation of snail and vimentin expression, and upregulation of E-cadherin and cytokeratin expression. During in vitro decidualization, cultured stromal cells lose elongated shape and show epithelium-like characteristics. Our data suggest that the process of MET may exist during decidualization.
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Affiliation(s)
- Xiu-Hong Zhang
- School of Life Science, Xiamen University, Xiamen, PR China
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14
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Lee B, Dai X. Transcriptional control of epidermal stem cells. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2013; 786:157-73. [PMID: 23696356 DOI: 10.1007/978-94-007-6621-1_9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Transcriptional regulation is fundamentally important for the progression of tissue stem cells through different stages of development and differentiation. Mammalian skin epidermis is an excellent model system to study such regulatory mechanisms due to its easy accessibility, stereotypic spatial arrangement, and availability of well-established cell type/lineage differentiation markers. Moreover, epidermis is one of the few mammalian tissues the stem cells of which can be maintained and propagated in culture to generate mature cell types and a functional tissue (reviewed in [1]), offering in vitro and ex vivo platforms to probe deep into the underlying cell and molecular mechanisms of biological functions.
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Affiliation(s)
- Briana Lee
- Department of Biological Chemistry, School of Medicine, University of California, D250 Med Sci I, Irvine 92697-1700, CA, USA
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15
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Cao Y, Zhang L, Kamimura Y, Ritprajak P, Hashiguchi M, Hirose S, Azuma M. B7-H1 Overexpression Regulates Epithelial–Mesenchymal Transition and Accelerates Carcinogenesis in Skin. Cancer Res 2010; 71:1235-43. [DOI: 10.1158/0008-5472.can-10-2217] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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16
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Abstract
The zinc finger transcription factor Slug (Snai2) serves a wide variety of functions in the epidermis, with roles in skin development, hair growth, wound healing, skin cancer, and sunburn. Slug is expressed in basal keratinocytes and hair follicles where it is important in maintaining epidermal homeostasis. Slug also helps coordinate the skin response to exogenous stimuli. Slug is rapidly induced by a variety of growth factors and injurious agents and Slug controls, directly or indirectly, a variety of keratinocyte responses, including changes in differentiation, adhesion, motility, and production of inflammatory mediators. Slug thus modulates the interactions of the keratinocyte with its environment and with surrounding cells. The function of Slug in the epidermis appears to be distinct from that of the closely related Snail transcription factor.
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Affiliation(s)
- Stephanie H Shirley
- Department of Carcinogenesis, University of Texas MD Anderson Cancer Center, Science Park Research Division, Smithville, Texas 78957, USA
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17
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Parent AE, Newkirk KM, Kusewitt DF. Slug (Snai2) expression during skin and hair follicle development. J Invest Dermatol 2010; 130:1737-9. [PMID: 20147965 DOI: 10.1038/jid.2010.22] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Hudson LG, Newkirk KM, Chandler HL, Choi C, Fossey SL, Parent AE, Kusewitt DF. Cutaneous wound reepithelialization is compromised in mice lacking functional Slug (Snai2). J Dermatol Sci 2009; 56:19-26. [PMID: 19643582 PMCID: PMC3612935 DOI: 10.1016/j.jdermsci.2009.06.009] [Citation(s) in RCA: 82] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2009] [Revised: 06/16/2009] [Accepted: 06/26/2009] [Indexed: 11/17/2022]
Abstract
BACKGROUND Keratinocytes at wound margins undergo partial epithelial to mesenchymal transition (EMT). Based on previous in vitro and ex vivo findings, Slug (Snai2), a transcriptional regulator of EMT in development, may play an important role in this process. OBJECTIVES This study was designed to validate an in vivo role for Slug in wound healing. METHODS Excisional wounds in Slug null and wild type mice were examined histologically at 6, 24, 48, and 72h after wounding; reepithelialization was measured and immunohistochemistry for keratins 8, 10, 14, and 6 and E-cadherin was performed. In 20 Slug null and 20 wild type mice exposed three times weekly to two minimal erythemal doses of UVR, the development of non-healing cutaneous ulcers was documented. Ulcers were examined histologically and by immunohistochemistry. RESULTS The reepithelialization component of excisional wound healing was reduced 1.7-fold and expression of the Slug target genes keratin 8 and E-cadherin was increased at wound margins in Slug null compared to wild type mice. In contrast, no differences in expression of keratins 10 or 14 or in markers of proliferation K6 and Ki-67 were observed. Forty per cent of Slug null mice but no wild type mice developed non-healing cutaneous ulcers in response to chronic UVR. Keratinocytes at ulcer margins expressed high levels of keratin 8 and retained E-cadherin expression, thus resembling excisional wounds. CONCLUSION Slug is an important modulator of successful wound repair in adult tissue and may be critical for maintaining epidermal integrity in response to chronic injury.
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Affiliation(s)
- Laurie G. Hudson
- Pharmaceutical Sciences, College of Pharmacy, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, United States
| | - Kimberly M. Newkirk
- Department of Pathobiology, College of Veterinary Medicine, University of Tennessee, Knoxville, TN 37996, United States
| | - Heather L. Chandler
- College of Optometry, The Ohio State University, Columbus, OH 43210, United States
| | - Changsun Choi
- Department of Food and Nutrition, College of Human Ecology, Chung-Ang University, Ansung, South Korea
| | - Stacey L. Fossey
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210, United States
| | - Allison E. Parent
- Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH 43210, United States
| | - Donna F. Kusewitt
- Department of Carcinogenesis, Science Park Research Division, M.D. Anderson Cancer Center, University of Texas, Smithville, TX 78957, United States
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