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Bencomo T, Lee CS. Gene expression landscape of cutaneous squamous cell carcinoma progression. Br J Dermatol 2024; 191:760-774. [PMID: 38867481 DOI: 10.1093/bjd/ljae249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 04/14/2024] [Accepted: 06/05/2024] [Indexed: 06/14/2024]
Abstract
BACKGROUND Cutaneous squamous cell carcinomas (cSCCs) are the second most common human cancer and have been characterized by RNA sequencing (RNA-Seq); however, the transferability of findings from individual studies may be limited by small sample sizes and diverse analysis protocols. OBJECTIVES To define the transcriptome landscape at different stages in the progression of normal skin to cSCC via a meta-analysis of publicly available RNA-Seq samples. METHODS Whole-transcriptome data from 73 clinically normal skin samples, 46 actinic keratoses (AK) samples, 16 in situ SCC samples, 13 keratoacanthoma (KA) samples and 147 cSCC samples [including 30 samples from immunocompromised patients and 8 from individuals with recessive dystrophic epidermolysis bullosa (RDEB)] were uniformly processed to harmonize gene expression. Differential expression, fusion detection and cell-type deconvolution analyses were performed. RESULTS Individual RNA-Seq studies of cSCC demonstrated study-specific clustering and varied widely in their differential gene expression detection. Following batch correction, we defined a consensus set of differentially expressed genes (DEGs), including those altered in the preinvasive stages of cSCC development, and used single-cell RNA-Seq data to demonstrate that DEGs are often - but not always - expressed by tumour-specific keratinocytes (TSKs). Analysis of the cellular composition of cSCC, KA and RDEB-cSCC identified an increase in differentiated keratinocytes in KA, while RDEB-cSCC contained the most TSKs. Compared with cSCC arising in immunocompetent individuals, cSCC samples from immunosuppressed patients demonstrated fewer memory B cells and CD8+ T cells. A comprehensive and unbiased search for fusion transcripts in cSCC and intermediate disease stages identified few candidates that recurred in >1% of all specimens, suggesting that most cSCC are not driven by oncogenic gene fusions. Finally, using Genotype-Tissue Expression (GTEx) data, we distilled a novel 300-gene signature of chronic sun exposure that affirms greater cumulative ultraviolet (UV) exposure in later stages of cSCC development. CONCLUSIONS Our results define the gene expression landscape of cSCC progression, characterize cell subpopulation heterogeneity in cSCC subtypes that contribute to their distinct clinical phenotypes, demonstrate that gene fusions are not a common cause of cSCC and identify UV-responsive genes associated with cSCC development.
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Affiliation(s)
- Tomas Bencomo
- Stanford Program in Epithelial Biology, Stanford University, Stanford, CA, USA
- Medical Scientist Training Program, University of Washington, Seattle, WA, USA
| | - Carolyn S Lee
- Stanford Program in Epithelial Biology, Stanford University, Stanford, CA, USA
- Veterans Affairs Palo Alto Healthcare System, Palo Alto, CA, USA
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2
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Dubois-Pot-Schneider H, Khairallah G, Brzenczek C, Plénat F, Marchal F, Amouroux M. Transcriptomic Study on Human Skin Samples: Identification of Two Subclasses of Actinic Keratoses. Int J Mol Sci 2023; 24:ijms24065937. [PMID: 36983009 PMCID: PMC10058209 DOI: 10.3390/ijms24065937] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/15/2023] [Accepted: 03/18/2023] [Indexed: 03/30/2023] Open
Abstract
Actinic keratoses (AKs) are sun-damaged skin areas that affect 20% of the European adult population and more than 50% of people aged 70 years and over. There are currently no clinical or histological features allowing us to identify to which clinical class (i.e., regression or progression) an AK belongs. A transcriptomic approach seems to be a robust tool for AK characterization, but there is a need for additional studies, including more patients and elucidating the molecular signature of an AK. In this context, the present study, including the largest number of patients to date, is the first aiming at identifying biological features to objectively distinguish different AK signatures. We highlight two distinct molecular profiles: AKs featuring a molecular profile similar to squamous cell carcinomas (SCCs), which are called "lesional AKs" (AK_Ls), and AKs featuring a molecular profile similar to normal skin tissue, which are called "non-lesional AKs" (AK_NLs). The molecular profiles of both AK subclasses were studied, and 316 differentially expressed genes (DEGs) were identified between the two classes. The 103 upregulated genes in AK_L were related to the inflammatory response. Interestingly, downregulated genes were associated with keratinization. Finally, based on a connectivity map approach, our data highlight that the VEGF pathway could be a promising therapeutic target for high-risk lesions.
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Affiliation(s)
| | - Grégoire Khairallah
- Université de Lorraine, CNRS, CRAN, 54000 Nancy, France
- Department of Plastic, Aesthetic and Reconstructive Surgery, Metz-Thionville Regional Hospital, 57530 Ars-Laquenexy, France
| | | | | | - Frédéric Marchal
- Université de Lorraine, CNRS, CRAN, 54000 Nancy, France
- Département de Chirurgie, Institut de Cancérologie de Lorraine, 54519 Vandœuvre-lès-Nancy, France
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3
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Lennartz M, Ullmann VS, Gorbokon N, Uhlig R, Rico SD, Kind S, Reiswich V, Viehweger F, Kluth M, Hube-Magg C, Bernreuther C, Büscheck F, Putri D, Clauditz TS, Fraune C, Hinsch A, Jacobsen F, Krech T, Lebock P, Steurer S, Burandt E, Minner S, Marx AH, Simon R, Sauter G, Menz A. Cytokeratin 13 (CK13) expression in cancer: a tissue microarray study on 10,439 tumors. APMIS 2023; 131:77-91. [PMID: 36269681 DOI: 10.1111/apm.13280] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 10/17/2022] [Indexed: 01/11/2023]
Abstract
Cytokeratin 13 (CK13) is a type I acidic low molecular weight cytokeratin, which is mainly expressed in urothelium and in the squamous epithelium of various sites of origin. Loss of CK13 has been implicated in the development and progression of squamous epithelial neoplasms. To comprehensively determine CK13 expression in normal and neoplastic tissues, a tissue microarray containing 10,439 samples from 131 different tumor types and subtypes as well as 608 samples of 76 different normal tissue types was analyzed by immunohistochemistry. CK13 immunostaining was detectable in 42 (32.1%) of the 131 tumor categories including 24 (18.3%) tumor types with at least one strongly positive case. The highest rate of positive staining was found in various urothelial neoplasms (52.1-92.3%) including Brenner tumor of the ovary (86.8%) and in squamous cell carcinomas from various sites of origin (39.1-77.6%), Warthin tumors of parotid glands (66.7%), adenosquamous carcinomas of the cervix (33.3%), thymomas (16.0%), and endometroid carcinomas of the ovary (15.3%). Twenty other epithelial or germ cell neoplasms showed - a usually weak - CK13 positivity in less than 15% of the cases. In bladder cancer, reduced CK13 expression was linked to high grade and advanced stage (p < 0.0001 each). In squamous cell carcinoma of the cervix, reduced CK13 immunostaining was related to high grade (p = 0.0295) and shortened recurrence-free (p = 0.0094) and overall survival (p = 0.0274). In a combined analysis of 1,151 squamous cell carcinomas from 11 different sites of origin, reduced CK13 staining was linked to high grade (p = 0.0050). Our data provide a comprehensive overview on CK13 expression in normal and neoplastic human tissues. CK13 expression predominates in urothelial neoplasms and in squamous cell carcinomas of different organs, and a loss of CK13 expression is associated with aggressive disease in these tumors.
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Affiliation(s)
- Maximilian Lennartz
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Verena Sofia Ullmann
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Natalia Gorbokon
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Ria Uhlig
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | | | - Simon Kind
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Viktor Reiswich
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Florian Viehweger
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Martina Kluth
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Claudia Hube-Magg
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Christian Bernreuther
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Franziska Büscheck
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Devita Putri
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Till S Clauditz
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Christoph Fraune
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Andrea Hinsch
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Frank Jacobsen
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Till Krech
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Institute of Pathology, Clinical Center Osnabrueck, Osnabrueck, Germany
| | - Patrick Lebock
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Institute of Pathology, Clinical Center Osnabrueck, Osnabrueck, Germany
| | - Stefan Steurer
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Eike Burandt
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Sarah Minner
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Andreas H Marx
- Department of Pathology, Academic Hospital Fuerth, Fuerth, Germany
| | - Ronald Simon
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Guido Sauter
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Anne Menz
- Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
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4
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Molecular Mechanisms of Cutaneous Squamous Cell Carcinoma. Int J Mol Sci 2022; 23:ijms23073478. [PMID: 35408839 PMCID: PMC8998533 DOI: 10.3390/ijms23073478] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/18/2022] [Accepted: 03/18/2022] [Indexed: 12/25/2022] Open
Abstract
Non-melanoma skin cancers are cutaneous malignancies representing the most common form of cancer in the United States. They are comprised predominantly of basal cell carcinomas and squamous cell carcinomas (cSCC). The incidence of cSCC is increasing, resulting in substantial morbidity and ever higher treatment costs; currently in excess of one billion dollars, per annum. Here, we review research defining the molecular basis and development of cSCC that aims to provide new insights into pathogenesis and drive the development of novel, cost and morbidity saving therapies.
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5
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Proteomic profiles and cytokeratin 13 as a potential biomarker of Ovis aries papillomavirus 3-positive and negative cutaneous squamous cell carcinomas. Res Vet Sci 2020; 134:112-119. [PMID: 33360571 DOI: 10.1016/j.rvsc.2020.12.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 10/22/2020] [Accepted: 12/18/2020] [Indexed: 12/12/2022]
Abstract
Ovis aries papillomavirus 3 (OaPV3) is an epidermotropic PV reported in sheep cutaneous squamous cell carcinoma (SCC). The presence of OaPV3 DNA and its transcriptional activity in cutaneous SCC, as well as its in vitro transforming properties, suggest a viral etiology for this neoplasm. Nevertheless, the reactome associated with viral-host interaction is still unexplored. Here, we investigated and compared the proteomic profiles of OaPV3-positive SCCs, OaPV3-negative SCCs, and non-SCC samples by liquid chromatography tandem-mass spectrometry (LC-MS/MS) analysis, bioinformatics tools, and immunohistochemistry (IHC). OaPV3-positive SCCs (n = 3), OaPV3-negative SCCs (n = 3), and non-SCCs samples (n = 3) were subjected to a shotgun proteomic analysis workflow to assess protein abundance differences among the three sample classes. Proteins involved in epithelial cell differentiation, extracellular matrix organization, and apoptotic signaling showed different abundances in OaPV3-positive SCCs tissues (P ≤ 0.05) when compared to the other tissues. Cytokeratin 13 (CK 13) was among the most increased proteins in OaPV3-positive SCC and was validated by immunohistochemistry on 10 samples per class, confirming its potential as a biomarker of OaPV3 infection in SCC. Collectively, results provide a preliminary insight into the reactome associated with viral-host interaction and pave the way to the development of specific biomarkers for viral-induced sheep SCC.
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6
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Azimi A, Kaufman KL, Kim J, Ali M, Mann GJ, Fernandez-Penas P. Proteomics: An emerging approach for the diagnosis and classification of cutaneous squamous cell carcinoma and its precursors. J Dermatol Sci 2020; 99:9-16. [PMID: 32312638 DOI: 10.1016/j.jdermsci.2020.03.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 02/01/2020] [Accepted: 03/26/2020] [Indexed: 12/19/2022]
Abstract
Cutaneous squamous cell carcinoma (cSCC) and its precursors, actinic keratosis (AK) and Bowen's disease (BD), are the most common types of keratinocytic skin lesions (KSL) which account for the majority of non-melanoma skin cancer lethality. Currently, clinical and histopathological criteria are used for the diagnosis, classification and therapeutic intervention of KSLs, however discrepancies exist between the clinical presentations and histologic analyses of these lesions, making the diagnosis difficult. The identification of biomarkers as companion diagnostics for accurately stratifying KSL types is required to support the paradigm shift in current cancer care to personalised, precision medicine and ameliorate the negative impact of misdiagnoses or delayed diagnoses on patient outcome. Also, it is essential to elaborate on the poorly defined molecular modifications required for the initiation, development and progression of KSL from normal keratinocytes. By harnessing recent technological advances in molecular profiling techniques, it is anticipated that greater insight into the various combinations of proteomic events or alternative pathways underlying carcinogenesis will be gained. This review will explore recent genomic studies in KSL followed by assessing the feasibility and significance of mass spectrometry-based proteomics profiling as a promising approach to a better understanding of the oncogenic pathways underpinning the formation and progression of KSL lesions and in aiding the identification of novel biomarkers and new therapeutic targets. The development of non-invasive tools such as tape-stripping coupled with proteomic analysis alone or in conjunction with imaging and genomic technologies will complement existing clinical and histopathological parameters, leading to an improvement in patient outcomes.
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Affiliation(s)
- Ali Azimi
- Centre for Translational Skin Research, The University of Sydney, Westmead, Australia; Department of Dermatology, Westmead Hospital, Westmead, Australia
| | - Kimberley L Kaufman
- Department of Neurosurgery, Chris O'Brien Lifehouse, Camperdown, Australia; Discipline of Pathology, The University of Sydney, Camperdown, Australia
| | - Jennifer Kim
- Department of Tissue Pathology and Diagnostic Oncology, Institute of Clinical Pathology and Medical Research, Westmead Hospital, Westmead, Australia
| | - Marina Ali
- Centre for Translational Skin Research, The University of Sydney, Westmead, Australia; Department of Dermatology, Westmead Hospital, Westmead, Australia
| | - Graham J Mann
- Centre for Cancer Research, Westmead Institute for Medical Research, The University of Sydney, Westmead, Australia; Melanoma Institute Australia, The University of Sydney, Wollstonecraft, Australia
| | - Pablo Fernandez-Penas
- Centre for Translational Skin Research, The University of Sydney, Westmead, Australia; Department of Dermatology, Westmead Hospital, Westmead, Australia.
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7
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García-Díez I, Hernández-Muñoz I, Hernández-Ruiz E, Nonell L, Puigdecanet E, Bódalo-Torruella M, Andrades E, Pujol RM, Toll A. Transcriptome and cytogenetic profiling analysis of matched in situ/invasive cutaneous squamous cell carcinomas from immunocompetent patients. Genes Chromosomes Cancer 2019; 58:164-174. [DOI: 10.1002/gcc.22712] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 11/01/2018] [Accepted: 11/22/2018] [Indexed: 12/17/2022] Open
Affiliation(s)
- Irene García-Díez
- Department of Dermatology; Hospital del Mar, Universitat Autònoma de Barcelona (UAB); Barcelona Spain
- Group of Inflammatory and Neoplastic Dermatological Diseases, IMIM (Hospital del Mar Medical Research Institute); Barcelona Spain
| | - Inmaculada Hernández-Muñoz
- Group of Inflammatory and Neoplastic Dermatological Diseases, IMIM (Hospital del Mar Medical Research Institute); Barcelona Spain
| | - Eugenia Hernández-Ruiz
- Department of Dermatology; Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona (UAB); Barcelona Spain
| | - Lara Nonell
- Microarray Analysis Service, IMIM (Hospital del Mar Medical Research Institute); Barcelona Spain
| | - Eulàlia Puigdecanet
- Microarray Analysis Service, IMIM (Hospital del Mar Medical Research Institute); Barcelona Spain
| | - Marta Bódalo-Torruella
- Microarray Analysis Service, IMIM (Hospital del Mar Medical Research Institute); Barcelona Spain
| | - Evelyn Andrades
- Group of Inflammatory and Neoplastic Dermatological Diseases, IMIM (Hospital del Mar Medical Research Institute); Barcelona Spain
| | - Ramon M. Pujol
- Department of Dermatology; Hospital del Mar, Universitat Autònoma de Barcelona (UAB); Barcelona Spain
- Group of Inflammatory and Neoplastic Dermatological Diseases, IMIM (Hospital del Mar Medical Research Institute); Barcelona Spain
| | - Agustí Toll
- Department of Dermatology; Hospital del Mar, Universitat Autònoma de Barcelona (UAB); Barcelona Spain
- Group of Inflammatory and Neoplastic Dermatological Diseases, IMIM (Hospital del Mar Medical Research Institute); Barcelona Spain
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8
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Differential proteomic analysis of actinic keratosis, Bowen’s disease and cutaneous squamous cell carcinoma by label-free LC–MS/MS. J Dermatol Sci 2018; 91:69-78. [DOI: 10.1016/j.jdermsci.2018.04.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2017] [Revised: 03/06/2018] [Accepted: 04/05/2018] [Indexed: 12/31/2022]
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9
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Rybarski M, Schmitz L, Novak B, Dirschka T. Daylight photodynamic therapy for field cancerization: lessons from molecular biology. GIORN ITAL DERMAT V 2018; 153:806-810. [PMID: 29683291 DOI: 10.23736/s0392-0488.18.06015-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Actinic keratoses (AKs) represent in-situ squamous cell carcinomas that potentially invade subepidermal structures and may metastasize. Until now, it is unpredictable to determine which AK lesions show this aggressive behavior. As AKs usually occur in large sun exposed areas, field-directed treatments have become the standard treatment regimen. Among these, conventional photodynamic therapy (cPDT) with 5-aminolaevulinic acid (ALA) or methyl-aminolevulinate (MAL) using red light is particularly effective in the treatment of AKs, but acceptance of the therapy is impaired by severe pain during treatment. Daylight PDT (dPDT) has demonstrated to be an equally effective alternative treatment option which is less painful. Recent attempts to determine the risk of AKs that demonstrate particular aggressive biological behavior by implementation of clinical and histological characteristics of AKs have not lead to conclusive results. Therefore, a look at the molecular biology of AKs could serve as a useful tool to develop a risk profiling for separation of those patients that are of particular risk to develop invasive tumor and, by this, to facilitate a more effective and adapted treatment option.
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Affiliation(s)
- Max Rybarski
- Department of Animal Physiology, Ruhr-University, Bochum, Germany
| | - Lutz Schmitz
- Department of Dermatology, Ruhr-University, Bochum, Germany
| | - Ben Novak
- Department of Animal Physiology, Ruhr-University, Bochum, Germany
| | - Thomas Dirschka
- CentroDerm GmbH, Wuppertal, Germany - .,Faculty of Health, University Witten-Herdecke, Witten, Germany
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10
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van de Glind GC, Rebel HG, Out-Luiting JJ, Zoutman W, Tensen CP, de Gruijl FR. Lgr6+ stem cells and their progeny in mouse epidermis under regimens of exogenous skin carcinogenesis, and their absence in ensuing skin tumors. Oncotarget 2018; 7:86740-86754. [PMID: 27880932 PMCID: PMC5349950 DOI: 10.18632/oncotarget.13436] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Accepted: 10/31/2016] [Indexed: 01/06/2023] Open
Abstract
Lgr6+ cells have been identified as a novel class of proliferating (Ki67+) stem cells in mouse epidermis. We investigated their response to UV exposure in Lgr6-EGFP-Ires-CreERT2/R26R-LacZ haired and hairless mice and whether they become initiating cells of UV- or chemically induced skin tumors. UV overexposure erased Lgr6+ cells (EGFP+) from the interfollicular epidermis (IFE), but - as after wounding - they apparently repopulated the IFE from the hair follicles. Under sub-sunburn chronic UV exposure, Lgr6+ cells and their progeny (LacZ+ after pulse of tamoxifen) diminished strongly in the IFE. Although the inter-tumoral IFE clearly showed Lgr6 progeny, none of the UV- or chemically induced tumors (n = 22 and 41, respectively) appeared to be clonal expansions of Lgr6+ stem cells; i.e. no Lgr6+ cells or progeny in the proliferating tumor bulk. In checking for promoter methylation we found it to occur stochastically for the EGFP-Cre cassette. Lgr6 mRNA measured by qPCR was found to be diminished in skin tumors (also in UV tumors from wt type mice). The ratio of Lgr6/Ki67 was significantly reduced, pointing at a loss of Lgr6+ cells from the proliferative pool. Our data show that Lgr6+ cells are not major tumor-initiating cells in skin carcinogenesis.
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Affiliation(s)
| | | | | | - Wim Zoutman
- Department of Dermatology, LUMC, Leiden, The Netherlands
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11
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van de Glind GC, Out-Luiting JJ, Rebel HG, Tensen CP, de Gruijl FR. Lgr5+ stem cells and their progeny in mouse epidermis under regimens of exogenous skin carcinogenesis, and their absence in ensuing skin tumors. Oncotarget 2018; 7:52085-52094. [PMID: 27409834 PMCID: PMC5239536 DOI: 10.18632/oncotarget.10475] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2016] [Accepted: 06/27/2016] [Indexed: 12/17/2022] Open
Abstract
Actively proliferating Lgr5+ skin stem cells are found deep in the hair follicle (HF). These cells renew the HF and drive its expansion in anagen phase. Their long residence and continuous mitotic activity make them prime candidates to transform into skin tumor-initiating cells. This was investigated by subjecting Lgr5-EGFP-Ires-CreERT2/R26R-LacZ mice (haired and hairless) to chemical and UV carcinogenic regimens. In the course of these regimens Lgr5+ cells (EGFP+) remained exclusively located in HFs, and in deep-seated cysts of hairless skin. In haired mice, progeny of Lgr5+ stem cells (LacZ+ after a pulse of tamoxifen) appeared in the interfollicular epidermis upon UV-induced sunburn and in TPA-induced hyperplasia. In hairless mice the progeny remained located in deep-seated cysts and in HF remnants. Progeny in hairless skin was only detected interfollicularly at a late stage, in between outgrowing tumors. Lgr5+ stem cells were absent in the ultimate tumor masses, and no tumor appeared to be a (clonal) expansion of Lgr5+ cells (52 tumors with tamoxifen at the start of carcinogenesis, 42 tumors with tamoxifen late during tumor outgrowth). In contrast to CD34/K15+ quiescent bulge stem cells, actively proliferating Lgr5+ stem cells do therefore not appear to be tumor drivers in experimental skin carcinogenesis.
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Affiliation(s)
| | | | - Heggert G Rebel
- Department of Dermatology, LUMC, Leiden, 2333RC, The Netherlands
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12
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Kucia-Tran JA, Tulkki V, Scarpini CG, Smith S, Wallberg M, Paez-Ribes M, Araujo AM, Botthoff J, Feeney M, Hughes K, Caffarel MM, Coleman N. Anti-oncostatin M antibody inhibits the pro-malignant effects of oncostatin M receptor overexpression in squamous cell carcinoma. J Pathol 2018; 244:283-295. [PMID: 29205362 DOI: 10.1002/path.5010] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 11/10/2017] [Accepted: 11/28/2017] [Indexed: 12/14/2022]
Abstract
The oncostatin M (OSM) receptor (OSMR) shows frequent gene copy number gains and overexpression in cervical squamous cell carcinomas (SCCs), associated with adverse clinical outcomes. In SCC cells that overexpress OSMR, the major ligand OSM induces multiple pro-malignant effects, including invasion, secretion of angiogenic factors, and metastasis. Here, we demonstrate, for the first time, that OSMR overexpression in SCC cells activates cell-autonomous feed-forward signalling, via further expression of OSMR and OSM and sustained STAT3 activation, despite expression of the negative regulator suppressor of cytokine signalling 3 (SOCS3). The pro-malignant effects associated with OSMR overexpression are critically mediated by JAK-STAT3 activation, which is induced by exogenous OSM and also by autocrine OSM-OSMR interactions. Importantly, specific inhibition of OSM-OSMR interactions by neutralizing antibodies significantly inhibits STAT3 activation and feed-forward signalling, leading to reduced invasion, angiogenesis, and metastasis. Our findings are supported by data from 1254 clinical SCC samples, in which OSMR levels correlated with multiple cognate genes, including OSM, STAT3, and downstream targets. These data strongly support the development of OSM-OSMR-blocking antibodies as biologically targeted therapies against SCCs of the cervix and other anatomical sites. Copyright © 2017 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
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Affiliation(s)
| | - Valtteri Tulkki
- Department of Pathology, University of Cambridge, Cambridge, UK
| | | | - Stephen Smith
- Department of Pathology, University of Cambridge, Cambridge, UK
| | - Maja Wallberg
- Department of Pathology, University of Cambridge, Cambridge, UK
| | | | | | - Jan Botthoff
- Department of Pathology, University of Cambridge, Cambridge, UK
| | | | - Katherine Hughes
- Department of Veterinary Medicine, University of Cambridge, Cambridge, UK
| | - Maria M Caffarel
- Department of Pathology, University of Cambridge, Cambridge, UK.,Biodonostia Health Research Institute, San Sebastian, Spain.,IKERBASQUE, Basque Foundation for Science, Bilbao, Spain
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13
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Hoang VLT, Tom LN, Quek XC, Tan JM, Payne EJ, Lin LL, Sinnya S, Raphael AP, Lambie D, Frazer IH, Dinger ME, Soyer HP, Prow TW. RNA-seq reveals more consistent reference genes for gene expression studies in human non-melanoma skin cancers. PeerJ 2017; 5:e3631. [PMID: 28852586 PMCID: PMC5572537 DOI: 10.7717/peerj.3631] [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] [Received: 06/24/2016] [Accepted: 07/11/2017] [Indexed: 11/20/2022] Open
Abstract
Identification of appropriate reference genes (RGs) is critical to accurate data interpretation in quantitative real-time PCR (qPCR) experiments. In this study, we have utilised next generation RNA sequencing (RNA-seq) to analyse the transcriptome of a panel of non-melanoma skin cancer lesions, identifying genes that are consistently expressed across all samples. Genes encoding ribosomal proteins were amongst the most stable in this dataset. Validation of this RNA-seq data was examined using qPCR to confirm the suitability of a set of highly stable genes for use as qPCR RGs. These genes will provide a valuable resource for the normalisation of qPCR data for the analysis of non-melanoma skin cancer.
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Affiliation(s)
- Van L T Hoang
- Dermatology Research Centre, Diamantina Institute, Translational Research Institute, Princess Alexandra Hospital, The University of Queensland, Brisbane, Queensland, Australia
| | - Lisa N Tom
- Dermatology Research Centre, Diamantina Institute, Translational Research Institute, Princess Alexandra Hospital, The University of Queensland, Brisbane, Queensland, Australia
| | - Xiu-Cheng Quek
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia.,St Vincent's Clinical School, University of New South Wales, Sydney, New South Wales, Australia
| | - Jean-Marie Tan
- Dermatology Research Centre, Diamantina Institute, Translational Research Institute, Princess Alexandra Hospital, The University of Queensland, Brisbane, Queensland, Australia
| | - Elizabeth J Payne
- Dermatology Research Centre, Diamantina Institute, Translational Research Institute, Princess Alexandra Hospital, The University of Queensland, Brisbane, Queensland, Australia
| | - Lynlee L Lin
- Dermatology Research Centre, Diamantina Institute, Translational Research Institute, Princess Alexandra Hospital, The University of Queensland, Brisbane, Queensland, Australia
| | - Sudipta Sinnya
- Dermatology Research Centre, Diamantina Institute, Translational Research Institute, Princess Alexandra Hospital, The University of Queensland, Brisbane, Queensland, Australia
| | - Anthony P Raphael
- Dermatology Research Centre, Diamantina Institute, Translational Research Institute, Princess Alexandra Hospital, The University of Queensland, Brisbane, Queensland, Australia.,Wellman Center for Photomedicine, Harvard Medical School, Massachusetts General Hospital, Boston, MA, USA
| | - Duncan Lambie
- Department of Anatomical Pathology, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Ian H Frazer
- Diamantina Institute, Translational Research Institute, Princess Alexandra Hospital, The University of Queensland, Brisbane, Queensland, Australia
| | - Marcel E Dinger
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia.,St Vincent's Clinical School, University of New South Wales, Sydney, New South Wales, Australia
| | - H Peter Soyer
- Dermatology Research Centre, Diamantina Institute, Translational Research Institute, Princess Alexandra Hospital, The University of Queensland, Brisbane, Queensland, Australia
| | - Tarl W Prow
- Dermatology Research Centre, Diamantina Institute, Translational Research Institute, Princess Alexandra Hospital, The University of Queensland, Brisbane, Queensland, Australia.,Biomaterials Engineering and Nanomedicine Strand, Future Industries Institute, University of South Australia, Mawson Lakes, Australia
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14
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Shen Y, Kim AL, Du R, Liu L. Transcriptome Analysis Identifies the Dysregulation of Ultraviolet Target Genes in Human Skin Cancers. PLoS One 2016; 11:e0163054. [PMID: 27643989 PMCID: PMC5028058 DOI: 10.1371/journal.pone.0163054] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Accepted: 09/01/2016] [Indexed: 12/11/2022] Open
Abstract
Exposure to ultraviolet radiation (UVR) is a major risk factor for both melanoma and non-melanoma skin cancers. In addition to its mutagenic effect, UVR can also induce substantial transcriptional instability in skin cells affecting thousands of genes, including many cancer genes, suggesting that transcriptional instability may be another important etiological factor in skin photocarcinogenesis. In this study, we performed detailed transcriptomic profiling studies to characterize the kinetic changes in global gene expression in human keratinocytes exposed to different UVR conditions. We identified a subset of UV-responsive genes as UV signature genes (UVSGs) based on 1) conserved UV-responsiveness of this subset of genes among different keratinocyte lines; and 2) UV-induced persistent changes in their mRNA levels long after exposure. Interestingly, 11 of the UVSGs were shown to be critical to skin cancer cell proliferation and survival. Through computational Gene Set Enrichment Analysis, we demonstrated that a significant portion of the UVSGs were dysregulated in human skin squamous cell carcinomas, but not in other human malignancies. This highlights the potential and specificity of the UVSGs in clinical diagnosis of UV damage and stratification of skin cancer risk.
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Affiliation(s)
- Yao Shen
- Department of Systems Biology, Columbia University, New York, NY, United States of America
| | - Arianna L. Kim
- Department of Dermatology, Columbia University, New York, NY, United States of America
| | - Rong Du
- Department of Dermatology, Columbia University, New York, NY, United States of America
| | - Liang Liu
- Department of Dermatology, Columbia University, New York, NY, United States of America
- * E-mail:
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15
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Chitsazzadeh V, Coarfa C, Drummond JA, Nguyen T, Joseph A, Chilukuri S, Charpiot E, Adelmann CH, Ching G, Nguyen TN, Nicholas C, Thomas VD, Migden M, MacFarlane D, Thompson E, Shen J, Takata Y, McNiece K, Polansky MA, Abbas HA, Rajapakshe K, Gower A, Spira A, Covington KR, Xiao W, Gunaratne P, Pickering C, Frederick M, Myers JN, Shen L, Yao H, Su X, Rapini RP, Wheeler DA, Hawk ET, Flores ER, Tsai KY. Cross-species identification of genomic drivers of squamous cell carcinoma development across preneoplastic intermediates. Nat Commun 2016; 7:12601. [PMID: 27574101 PMCID: PMC5013636 DOI: 10.1038/ncomms12601] [Citation(s) in RCA: 114] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Accepted: 07/18/2016] [Indexed: 01/21/2023] Open
Abstract
Cutaneous squamous cell carcinoma (cuSCC) comprises 15-20% of all skin cancers, accounting for over 700,000 cases in USA annually. Most cuSCC arise in association with a distinct precancerous lesion, the actinic keratosis (AK). To identify potential targets for molecularly targeted chemoprevention, here we perform integrated cross-species genomic analysis of cuSCC development through the preneoplastic AK stage using matched human samples and a solar ultraviolet radiation-driven Hairless mouse model. We identify the major transcriptional drivers of this progression sequence, showing that the key genomic changes in cuSCC development occur in the normal skin to AK transition. Our data validate the use of this ultraviolet radiation-driven mouse cuSCC model for cross-species analysis and demonstrate that cuSCC bears deep molecular similarities to multiple carcinogen-driven SCCs from diverse sites, suggesting that cuSCC may serve as an effective, accessible model for multiple SCC types and that common treatment and prevention strategies may be feasible.
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Affiliation(s)
- Vida Chitsazzadeh
- Department of Translational Molecular Pathology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA.,Department of Dermatology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Cristian Coarfa
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030, USA
| | - Jennifer A Drummond
- Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas 77030, USA
| | - Tri Nguyen
- Northwest Diagnostic Clinic, Houston, Texas 77090, USA
| | - Aaron Joseph
- Skin and Laser Surgery Associates, Pasadena, Texas 77505, USA
| | | | | | - Charles H Adelmann
- Department of Translational Molecular Pathology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA.,Department of Dermatology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Grace Ching
- Department of Translational Molecular Pathology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA.,Department of Dermatology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Tran N Nguyen
- Department of Translational Molecular Pathology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Courtney Nicholas
- Department of Translational Molecular Pathology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Valencia D Thomas
- Department of Dermatology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Michael Migden
- Department of Dermatology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Deborah MacFarlane
- Department of Dermatology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Erika Thompson
- Sequencing and Microarray Facility, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Jianjun Shen
- Next Generation Sequencing Facility, Smithville, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Yoko Takata
- Next Generation Sequencing Facility, Smithville, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Kayla McNiece
- Department of Dermatology, University of Texas Medical School at Houston, Houston, Texas 77030, USA
| | - Maxim A Polansky
- Department of Dermatology, University of Texas Medical School at Houston, Houston, Texas 77030, USA
| | - Hussein A Abbas
- Department of Biochemistry and Molecular Biology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Kimal Rajapakshe
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030, USA
| | - Adam Gower
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts 02215, USA
| | - Avrum Spira
- Department of Medicine, Boston University School of Medicine, Boston, Massachusetts 02215, USA
| | - Kyle R Covington
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030, USA.,Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas 77030, USA
| | - Weimin Xiao
- Department of Biology and Biochemistry University of Houston, Houston, Texas 77204, USA
| | - Preethi Gunaratne
- Department of Biology and Biochemistry University of Houston, Houston, Texas 77204, USA
| | - Curtis Pickering
- Department of Head &Neck Surgery, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Mitchell Frederick
- Department of Head &Neck Surgery, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Jeffrey N Myers
- Department of Head &Neck Surgery, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Li Shen
- Department of Bioinformatics &Computational Biology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Hui Yao
- Department of Bioinformatics &Computational Biology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Xiaoping Su
- Department of Bioinformatics &Computational Biology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Ronald P Rapini
- Department of Dermatology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA.,Department of Dermatology, University of Texas Medical School at Houston, Houston, Texas 77030, USA
| | - David A Wheeler
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas 77030, USA.,Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas 77030, USA
| | - Ernest T Hawk
- Department of Clinical Cancer Prevention, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Elsa R Flores
- Department of Biochemistry and Molecular Biology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
| | - Kenneth Y Tsai
- Department of Translational Molecular Pathology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA.,Department of Dermatology, University of Texas MD Anderson Cancer Center Houston, Houston, Texas 77030, USA
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16
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Manawapat-Klopfer A, Thomsen LT, Martus P, Munk C, Russ R, Gmuender H, Frederiksen K, Haedicke-Jarboui J, Stubenrauch F, Kjaer SK, Iftner T. TMEM45A, SERPINB5 and p16INK4A transcript levels are predictive for development of high-grade cervical lesions. Am J Cancer Res 2016; 6:1524-1536. [PMID: 27508094 PMCID: PMC4969401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Accepted: 03/13/2016] [Indexed: 06/06/2023] Open
Abstract
Women persistently infected with human papillomavirus (HPV) type 16 are at high risk for development of cervical intraepithelial neoplasia grade 3 or cervical cancer (CIN3+). We aimed to identify biomarkers for progression to CIN3+ in women with persistent HPV16 infection. In this prospective study, 11,088 women aged 20-29 years were enrolled during 1991-1993, and re-invited for a second visit two years later. Cervical cytology samples obtained at both visits were tested for HPV DNA by Hybrid Capture 2 (HC2), and HC2-positive samples were genotyped by INNO-LiPA. The cohort was followed for up to 19 years via a national pathology register. To identify markers for progression to CIN3+, we performed microarray analysis on RNA extracted from cervical swabs of 30 women with persistent HPV16-infection and 11 HPV-negative women. Six genes were selected and validated by quantitative PCR. Three genes were subsequently validated within a different and large group of women from the same cohort. Secondly, Kaplan-Meier and Cox-regression analyses were used to investigate whether expression levels of those three genes predict progression to CIN3+. We found that high transcript levels of TMEM45A, SERPINB5 and p16INK4a at baseline were associated with increased risk of CIN3+ during follow-up. The hazard ratios of CIN3+ per 10-fold increase in baseline expression level were 1.6 (95% CI: 1.1-2.3) for TMEM45A, 1.6 (95% CI: 1.1-2.5) for p16INK4a, and 1.8 (95% CI: 1.2-2.7) for SERPINB5. In conclusion, high mRNA expression levels of TMEM45A, SERPINB5 and p16INK4a were associated with increased risk of CIN3+ in persistently HPV16-infected women.
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Affiliation(s)
- Anna Manawapat-Klopfer
- Division of Experimental Virology, Institute of Medical Virology, University Hospital TübingenElfriede-Aulhorn Str. 6, 72076 Tübingen, Germany
| | - Louise T Thomsen
- Unit of Virus, Lifestyle and Genes, Danish Cancer Society Research CenterStrandboulevarden 49, DK-2100 Copenhagen, Denmark
| | - Peter Martus
- Institute for Clinical Epidemiology and Applied BiometrySilcherstraße 5, 72076 Tübingen, Germany
| | - Christian Munk
- Unit of Virus, Lifestyle and Genes, Danish Cancer Society Research CenterStrandboulevarden 49, DK-2100 Copenhagen, Denmark
| | - Rainer Russ
- Genedata AGMargarethenstrasse 38, CH-4053 Basel, Switzerland
| | - Hans Gmuender
- Genedata AGMargarethenstrasse 38, CH-4053 Basel, Switzerland
| | - Kirsten Frederiksen
- Unit of Statistics, Bioinformatics and Registry, Danish Cancer Society Research CenterStrandboulevarden 49, DK-2100 Copenhagen, Denmark
| | - Juliane Haedicke-Jarboui
- Division of Experimental Virology, Institute of Medical Virology, University Hospital TübingenElfriede-Aulhorn Str. 6, 72076 Tübingen, Germany
| | - Frank Stubenrauch
- Division of Experimental Virology, Institute of Medical Virology, University Hospital TübingenElfriede-Aulhorn Str. 6, 72076 Tübingen, Germany
| | - Susanne K Kjaer
- Unit of Virus, Lifestyle and Genes, Danish Cancer Society Research CenterStrandboulevarden 49, DK-2100 Copenhagen, Denmark
- Department of Obstetrics and Gynecology, Rigshospitalet, University of CopenhagenBlegdamsvej 9, DK-2100 Copenhagen, Denmark
| | - Thomas Iftner
- Division of Experimental Virology, Institute of Medical Virology, University Hospital TübingenElfriede-Aulhorn Str. 6, 72076 Tübingen, Germany
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17
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Kucia-Tran JA, Tulkki V, Smith S, Scarpini CG, Hughes K, Araujo AM, Yan KYM, Botthof J, Pérez-Gómez E, Quintanilla M, Cuschieri K, Caffarel MM, Coleman N. Overexpression of the oncostatin-M receptor in cervical squamous cell carcinoma is associated with epithelial-mesenchymal transition and poor overall survival. Br J Cancer 2016; 115:212-22. [PMID: 27351213 PMCID: PMC4947707 DOI: 10.1038/bjc.2016.199] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Revised: 05/22/2016] [Accepted: 05/26/2016] [Indexed: 12/14/2022] Open
Abstract
Background: Copy-number gain of the oncostatin-M receptor (OSMR) occurs frequently in cervical squamous cell carcinoma (SCC) and is associated with adverse clinical outcome. We previously showed that OSMR overexpression renders cervical SCC cells more sensitive to the major ligand oncostatin-M (OSM), which increases migration and invasion in vitro. We hypothesised that a major contribution to this phenotype would come from epithelial–mesenchymal transition (EMT). Methods: We performed a comprehensive integrated study, involving in vitro cell line studies, in vivo animal models and numerous clinical samples from a variety of anatomical sites. Results: In independent sets of cervical, head/neck and lung SCC tissues, OSMR expression levels correlated with multiple EMT-associated phenotypic markers and transcription factors. OSM treatment of OSMR overexpressing cervical SCC cells produced consistent EMT changes and increased tumour sphere formation in suspension culture. In a mouse model, OSMR overexpressing SCC cells treated with OSM showed significant increases in lung colonisation. The biological effects of exogenous OSM were mirrored by highly significant adverse overall survival in cervical SCCs with OSMR overexpression (N=251). Conclusions: OSM:OSMR interactions are able to induce EMT, increased cancer stem cell-like properties and enhanced lung colonisation in SCC cells. These changes are likely to contribute to the highly significant adverse outcome associated with OSMR overexpression in cervical SCCs.
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Affiliation(s)
| | - Valtteri Tulkki
- Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK
| | - Stephen Smith
- Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK
| | - Cinzia G Scarpini
- Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK
| | - Katherine Hughes
- Department of Veterinary Medicine, University of Cambridge, Cambridge CB3 0ES, UK
| | - Angela M Araujo
- Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK
| | | | - Jan Botthof
- Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK
| | - Eduardo Pérez-Gómez
- Department of Biochemistry and Molecular Biology I, School of Biology, Complutense University, Madrid 28040, Spain
| | - Miguel Quintanilla
- Department of Cancer Biology, Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas (CSIC), Universidad Autónoma de Madrid (UAM), Madrid 28029, Spain
| | - Kate Cuschieri
- Scottish Human Papilloma Virus Reference Laboratory, Specialist Virology Centre, Royal Infirmary of Edinburgh, Edinburgh EH16 4SA, UK
| | - Maria M Caffarel
- Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK
| | - Nicholas Coleman
- Department of Pathology, University of Cambridge, Cambridge CB2 1QP, UK
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18
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Zhu J, Midde NM, Gomez AM, Sun WL, Harrod SB. Intra-ventral tegmental area HIV-1 Tat1-86 attenuates nicotine-mediated locomotor sensitization and alters mesocorticolimbic ERK and CREB signaling in rats. Front Microbiol 2015; 6:540. [PMID: 26150803 PMCID: PMC4473058 DOI: 10.3389/fmicb.2015.00540] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Accepted: 05/15/2015] [Indexed: 12/24/2022] Open
Abstract
Cigarette smoking prevalence in the HIV-positive individuals is profoundly higher than that in the HIV-negative individuals. We have demonstrated that HIV-1 transgenic rats exhibit attenuated nicotine-mediated locomotor activity, altered cAMP response element binding protein (CREB) and extracellular regulated kinase (ERK1/2) signaling in the mesocorticolimbic regions. This study investigated the role of HIV-1 transactivator of transcription (Tat) protein in the alterations of nicotine-mediated behavior and the signaling pathway observed in the HIV-1 transgenic rats. Rats received bilateral microinjection of recombinant Tat1-86 (25 μg/side) or vehicle directed at ventral tegmental area (VTA) followed by locomotor testing in response to 13 daily intravenous injections of nicotine (0.05 mg/kg, freebase, once/day) or saline. Further, we examined the phosphorylated levels of CREB (pCREB) and ERK1/2 (pERK1/2) in the prefrontal cortex (PFC), nucleus accumbens (NAc) and VTA. Tat diminished baseline activity in saline control rats, and attenuated nicotine-induced behavioral sensitization. Following repeated saline injection, the basal levels of pERK1 in the NAc and VTA and pERK2 in VTA were lower in the vehicle control group, relative to the Tat group. After repeated nicotine injection, pERK1 in NAc and VTA and pERK2 in VTA were increased in the vehicle group, but not in the Tat group. Moreover, repeated nicotine injections decreased pCREB in the PFC and VTA in the Tat group but not in the vehicle group. Thus, these findings indicate that the direct injection of Tat at the VTA may mediate CREB and ERK activity in response to nicotine-induced locomotor activity.
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Affiliation(s)
- Jun Zhu
- Department of Drug Discovery and Biomedical Sciences, South Carolina College of Pharmacy, University of South Carolina , Columbia, SC, USA
| | - Narasimha M Midde
- Department of Drug Discovery and Biomedical Sciences, South Carolina College of Pharmacy, University of South Carolina , Columbia, SC, USA
| | - Adrian M Gomez
- Department of Drug Discovery and Biomedical Sciences, South Carolina College of Pharmacy, University of South Carolina , Columbia, SC, USA
| | - Wei-Lun Sun
- Department of Drug Discovery and Biomedical Sciences, South Carolina College of Pharmacy, University of South Carolina , Columbia, SC, USA
| | - Steven B Harrod
- Department of Psychology, University of South Carolina , Columbia, SC, USA
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19
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Prasad NB, Fischer AC, Chuang AY, Wright JM, Yang T, Tsai HL, Westra WH, Liegeois NJ, Hess AD, Tufaro AP. Differential expression of degradome components in cutaneous squamous cell carcinomas. Mod Pathol 2014; 27:945-57. [PMID: 24356192 PMCID: PMC4251465 DOI: 10.1038/modpathol.2013.217] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2013] [Accepted: 10/25/2013] [Indexed: 12/16/2022]
Abstract
Although the cure rate for cutaneous squamous cell carcinoma is high, the diverse spectrum of squamous cell carcinoma has made it difficult for early diagnosis, particularly the aggressive tumors that are highly associated with mortality. Therefore, molecular markers are needed as an adjunct to current staging methods for diagnosing high-risk lesions, and stratifying those patients with aggressive tumors. To identify such biomarkers, we have examined a comprehensive set of 200 histologically defined squamous cell carcinoma and normal skin samples by using a combination of microarray, QRT-PCR and immunohistochemistry analyses. A characteristic and distinguishable profile including matrix metalloproteinase (MMP) as well as other degradome components was differentially expressed in squamous cell carcinoma compared with normal skin samples. The expression levels of some of these genes including matrix metallopeptidase 1 (MMP1), matrix metallopeptidase 10 (MMP10), parathyroid hormone-like hormone (PTHLH), cyclin-dependent kinase inhibitor 2A (CDKN2A), A disintegrin and metalloproteinase with thrombospondin motifs 1 (ADAMTS1), FBJ osteosarcoma oncogene (FOS), interleukin 6 (IL6) and reversion-inducing-cysteine-rich protein with kazal motifs (RECK) were significantly differentially expressed (P≤0.02) in squamous cell carcinoma compared with normal skin. Furthermore, based on receiver operating characteristic analyses, the mRNA and protein levels of MMP1 are significantly higher in aggressive tumors compared with non-aggressive tumors. Given that MMPs represent the most prominent family of proteinases associated with tumorigenesis, we believe that they may have an important role in modulating the tumor microenvironment of squamous cell carcinoma.
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Affiliation(s)
- Nijaguna B Prasad
- Department of Plastic and Reconstructive Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Anne C Fischer
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX, USA
| | - Alice Y Chuang
- Department of Oncology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Jerry M Wright
- Department of Physiology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Ting Yang
- Department of Biostatistics, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Hua-Ling Tsai
- Department of Biostatistics, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - William H Westra
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | | | - Allan D Hess
- Department of Oncology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Anthony P Tufaro
- Department of Plastic and Reconstructive Surgery, The Johns Hopkins University School of Medicine, Baltimore, MD, USA,Department of Oncology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
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20
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Hayez A, Malaisse J, Roegiers E, Reynier M, Renard C, Haftek M, Geenen V, Serre G, Simon M, de Rouvroit CL, Michiels C, Poumay Y. High TMEM45A expression is correlated to epidermal keratinization. Exp Dermatol 2014; 23:339-44. [DOI: 10.1111/exd.12403] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/30/2014] [Indexed: 12/30/2022]
Affiliation(s)
- Aurélie Hayez
- Cell and Tissue Laboratory-URPhyM-NARILIS; University of Namur; Namur Belgium
| | - Jérémy Malaisse
- Cell and Tissue Laboratory-URPhyM-NARILIS; University of Namur; Namur Belgium
| | - Edith Roegiers
- Research Unit for Cell biology-NARILIS; University of Namur; Namur Belgium
| | - Marie Reynier
- UMR5165/U1056 CNRS-INSERM-University of Toulouse; UDEAR; Toulouse France
| | - Chantal Renard
- Center of Immunoendocrinology; GIGA-I; University of Liège; Liège Belgium
| | - Marek Haftek
- Laboratoire de Recherche Dermatologique; University of Lyon; Lyon France
| | - Vincent Geenen
- Center of Immunoendocrinology; GIGA-I; University of Liège; Liège Belgium
| | - Guy Serre
- UMR5165/U1056 CNRS-INSERM-University of Toulouse; UDEAR; Toulouse France
| | - Michel Simon
- UMR5165/U1056 CNRS-INSERM-University of Toulouse; UDEAR; Toulouse France
| | | | - Carine Michiels
- Research Unit for Cell biology-NARILIS; University of Namur; Namur Belgium
| | - Yves Poumay
- Cell and Tissue Laboratory-URPhyM-NARILIS; University of Namur; Namur Belgium
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21
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Intense THz pulses down-regulate genes associated with skin cancer and psoriasis: a new therapeutic avenue? Sci Rep 2014; 3:2363. [PMID: 23917523 PMCID: PMC3734481 DOI: 10.1038/srep02363] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Accepted: 07/11/2013] [Indexed: 01/23/2023] Open
Abstract
Terahertz (THz) radiation lies between the infrared and microwave regions of the electromagnetic spectrum and is non-ionizing. We show that exposure of artificial human skin tissue to intense, picosecond-duration THz pulses affects expression levels of numerous genes associated with non-melanoma skin cancers, psoriasis and atopic dermatitis. Genes affected by intense THz pulses include nearly half of the epidermal differentiation complex (EDC) members. EDC genes, which are mapped to the chromosomal human region 1q21, encode for proteins that partake in epidermal differentiation and are often overexpressed in conditions such as psoriasis and skin cancer. In nearly all the genes differentially expressed by exposure to intense THz pulses, the induced changes in transcription levels are opposite to disease-related changes. The ability of intense THz pulses to cause concerted favorable changes in the expression of multiple genes implicated in inflammatory skin diseases and skin cancers suggests potential therapeutic applications of intense THz pulses.
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22
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Gene expression profiling of the leading edge of cutaneous squamous cell carcinoma: IL-24-driven MMP-7. J Invest Dermatol 2013; 134:1418-1427. [PMID: 24270662 PMCID: PMC3989465 DOI: 10.1038/jid.2013.494] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2012] [Revised: 10/09/2013] [Accepted: 10/22/2013] [Indexed: 01/04/2023]
Abstract
The precise mechanisms governing invasion at the leading edge of SCC and its subsequent metastasis are not fully understood. We aimed to define the cancer related molecular changes that distinguish non-invasive tumor from invasive SCC. To this end, we combined laser capture microdissection with cDNA microarray analysis. We defined invasion-associated genes as those differentially regulated only in invasive SCC nests, but not in actinic keratosis or in situ SCC, compared to normal epidermis. There were 383 up- and 354 down-regulated genes in the “invasion set.” SCC invasion was characterized by aberrant expression of various proteolytic molecules. We noted increased expression of MMP7 and IL-24 in invasive SCC. IL-24 induced the expression of MMP7 in SCC cells in culture. In addition, blocking of MMP7 by a specific antibody significantly delayed the migration of SCC cells in culture. These results suggest a possible contribution of IL-24 to SCC invasion via enhancing focal expression of MMP7, though IL-24 has been suggested to have anti-tumor growth effects in other cancer types. Identification of regional molecular changes that regulate cancer invasion may facilitate the development of new targeted treatments for aggressive cancer.
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Loss of epithelial hypoxia-inducible factor prolyl hydroxylase 2 accelerates skin wound healing in mice. Mol Cell Biol 2013; 33:3426-38. [PMID: 23798557 DOI: 10.1128/mcb.00609-13] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Skin wound healing in mammals is a complex, multicellular process that depends on the precise supply of oxygen. Hypoxia-inducible factor (HIF) prolyl hydroxylase 2 (PHD2) serves as a crucial oxygen sensor and may therefore play an important role during reepithelialization. Hence, this study was aimed at understanding the role of PHD2 in cutaneous wound healing using different lines of conditionally deficient mice specifically lacking PHD2 in inflammatory, vascular, or epidermal cells. Interestingly, PHD2 deficiency only in keratinocytes and not in myeloid or endothelial cells was found to lead to faster wound closure, which involved enhanced migration of the hyperproliferating epithelium. We demonstrate that this effect relies on the unique expression of β3-integrin in the keratinocytes around the tip of the migrating tongue in an HIF1α-dependent manner. Furthermore, we show enhanced proliferation of these cells in the stratum basale, which is directly related to their attenuated transforming growth factor β signaling. Thus, loss of the central oxygen sensor PHD2 in keratinocytes stimulates wound closure by prompting skin epithelial cells to migrate and proliferate. Inhibition of PHD2 could therefore offer novel therapeutic opportunities for the local treatment of cutaneous wounds.
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Hameetman L, Commandeur S, Bavinck JNB, Wisgerhof HC, de Gruijl FR, Willemze R, Mullenders L, Tensen CP, Vrieling H. Molecular profiling of cutaneous squamous cell carcinomas and actinic keratoses from organ transplant recipients. BMC Cancer 2013; 13:58. [PMID: 23379751 PMCID: PMC3570297 DOI: 10.1186/1471-2407-13-58] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2012] [Accepted: 01/30/2013] [Indexed: 01/06/2023] Open
Abstract
Background The risk of developing cutaneous squamous cell carcinoma (SCC) is markedly increased in organ transplant recipients (OTRs) compared to the normal population. Next to sun exposure, the immunosuppressive regimen is an important risk factor for the development of SCC in OTRs. Various gene mutations (e.g. TP53) and genetic alterations (e.g. loss of CDKN2A, amplification of RAS) have been found in SCCs. The aim of this genome-wide study was to identify pathways and genomic alterations that are consistently involved in the formation of SCCs and their precursor lesions, actinic keratoses (AKs). Methods To perform the analysis in an isogenic background, RNA and DNA were isolated from SCC, AK and normal (unexposed) epidermis (NS) from each of 13 OTRs. Samples were subjected to genome-wide expression analysis and genome SNP analysis using Illumina’s HumanWG-6 BeadChips and Infinium II HumanHap550 Genotyping BeadChips, respectively. mRNA expression results were verified by quantitative PCR. Results Hierarchical cluster analysis of mRNA expression profiles showed SCC, AK and NS samples to separate into three distinct groups. Several thousand genes were differentially expressed between epidermis, AK and SCC; most upregulated in SCCs were hyperproliferation related genes and stress markers, such as keratin 6 (KRT6), KRT16 and KRT17. Matching to oncogenic pathways revealed activation of downstream targets of RAS and cMYC in SCCs and of NFκB and TNF already in AKs. In contrast to what has been reported previously, genome-wide SNP analysis showed very few copy number variations in AKs and SCCs, and these variations had no apparent relationship with observed changes in mRNA expression profiles. Conclusion Vast differences in gene expression profiles exist between SCC, AK and NS from immunosuppressed OTRs. Moreover, several pathways activated in SCCs were already activated in AKs, confirming the assumption that AKs are the precursor lesions of SCCs. Since the drastic changes in gene expression appeared unlinked to specific genomic gains or losses, the causal events driving SCC development require further investigation. Other molecular mechanisms, such as DNA methylation or miRNA alterations, may affect gene expression in SCCs of OTRs. Further study is required to identify the mechanisms of early activation of NFκB and TNF, and to establish whether these pathways offer a feasible target for preventive intervention among OTRs.
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Affiliation(s)
- Liesbeth Hameetman
- Department of Toxicogenetics, Leiden University Medical Center, PO Box 9600, 2300, RC Leiden, the Netherlands
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A transposon-based analysis of gene mutations related to skin cancer development. J Invest Dermatol 2012; 133:239-48. [PMID: 22832494 DOI: 10.1038/jid.2012.245] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Nonmelanoma skin cancer (NMSC) is by far the most frequent type of cancer in humans. NMSC includes several types of malignancies with different clinical outcomes, the most frequent being basal and squamous cell carcinomas. We have used the Sleeping Beauty transposon/transposase system to identify somatic mutations associated with NMSC. Transgenic mice bearing multiple copies of a mutagenic Sleeping Beauty transposon T2Onc2 and expressing the SB11 transposase under the transcriptional control of regulatory elements from the keratin K5 promoter were treated with TPA, either in wild-type or Ha-ras mutated backgrounds. After several weeks of treatment, mice with transposition developed more malignant tumors with decreased latency compared with control mice. Transposon/transposase animals also developed basal cell carcinomas. Genetic analysis of the transposon integration sites in the tumors identified several genes recurrently mutated in different tumor samples, which may represent novel candidate cancer genes. We observed alterations in the expression levels of some of these genes in human tumors. Our results show that inactivating mutations in Notch1 and Nsd1, among others, may have an important role in skin carcinogenesis.
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Muehleisen B, Jiang SB, Gladsjo JA, Gerber M, Hata T, Gallo RL. Distinct innate immune gene expression profiles in non-melanoma skin cancer of immunocompetent and immunosuppressed patients. PLoS One 2012; 7:e40754. [PMID: 22808251 PMCID: PMC3396607 DOI: 10.1371/journal.pone.0040754] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2012] [Accepted: 06/12/2012] [Indexed: 12/28/2022] Open
Abstract
Squamous cell carcinoma (SCC) and basal cell carcinoma (BCC) are the most frequent skin cancers in humans. An intact immune system is critical for protection against SCC since organ transplant recipients (OTR) have a 60- to 100-fold higher risk for developing these tumors. The role of the innate immune system in tumor immunosurveillance is unclear. Our aim was to determine the expression of selected innate immune genes in BCC and SCC arising in immunocompetent and OTR patients. Lesional and peri-lesional skin from 28 SCC and 19 BCC were evaluated for mRNA expression of toll-like receptors (TLR) 1-9, downstream TLR signaling molecules, and antimicrobial peptides. 11 SCC occurring in OTR patients were included in the analysis. We found that SCC but not BCC showed significantly elevated expression of TLRs 1-3, 5-8, TRIF and TRAF1. TNF was increased in SCC compared to normal skin. BCC showed increased IFNγ. hBD1, hBD2 and psoriasin mRNA and protein expression were significantly higher in SCC than in normal skin and higher than in BCC. SCC from OTR showed only an increase in hBD2 but no increase in hBD1 or psoriasin. We conclude that innate immune gene expression in SCC is distinct from normal skin and BCC. BCC shows lesser induction of innate immune genes. SCC from OTR patients have depressed expression of hBD1 and psoriasin compared to SCC from immunocompetent patients.
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Affiliation(s)
- Beda Muehleisen
- Division of Dermatology, University of California San Diego, La Jolla, California, United States of America
- Department of Dermatology, Zurich University Hospital, Zurich, Switzerland
| | - Shang Brian Jiang
- Division of Dermatology, University of California San Diego, La Jolla, California, United States of America
| | - Julie A. Gladsjo
- Division of Dermatology, University of California San Diego, La Jolla, California, United States of America
| | - Monika Gerber
- Division of Dermatology, University of California San Diego, La Jolla, California, United States of America
| | - Tissa Hata
- Division of Dermatology, University of California San Diego, La Jolla, California, United States of America
| | - Richard L. Gallo
- Division of Dermatology, University of California San Diego, La Jolla, California, United States of America
- Department of Medicine, University of California San Diego, La Jolla, California, United States of America
- Veterans Administration San Diego Healthcare System, San Diego, California, United States of America
- * E-mail:
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27
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Kim H, Casta A, Tang X, Luke CT, Kim AL, Bickers DR, Athar M, Christiano AM. Loss of hairless confers susceptibility to UVB-induced tumorigenesis via disruption of NF-kappaB signaling. PLoS One 2012; 7:e39691. [PMID: 22761871 PMCID: PMC3382590 DOI: 10.1371/journal.pone.0039691] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2012] [Accepted: 05/29/2012] [Indexed: 12/27/2022] Open
Abstract
In order to model squamous cell carcinoma development in vivo, researchers have long preferred hairless mouse models such as SKH-1 mice that have traditionally been classified as ‘wild-type’ mice irrespective of the genetic factors underlying their hairless phenotype. The work presented here shows that mutations in the Hairless (Hr) gene not only result in the hairless phenotype of the SKH-1 and Hr−/− mouse lines but also cause aberrant activation of NFκB and its downstream effectors. We show that in the epidermis, Hr is an early UVB response gene that regulates NFκB activation and thereby controls cellular responses to irradiation. Therefore, when Hr expression is decreased in Hr mutant animals there is a corresponding increase in NFκB activity that is augmented by UVB irradiation. This constitutive activation of NFκB in the Hr mutant epidermis leads to the stimulation a large variety of downstream effectors including the cell cycle regulators cyclin D1 and cyclin E, the anti-apoptosis protein Bcl-2, and the pro-inflammatory protein Cox-2. Therefore, Hr loss results in a state of uncontrolled epidermal proliferation that promotes tumor development, and Hr mutant mice should no longer be considered merely hairless 'wild-type' mice. Instead, Hr is a crucial UVB response gene and its loss creates a permissive environment that potentiates increased tumorigenesis.
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Affiliation(s)
- Hyunmi Kim
- Department of Genetics & Development, Columbia University, College of Physicians & Surgeons, New York, New York, United States of America
- Department of Dermatology, Columbia University, College of Physicians & Surgeons, New York, New York, United States of America
| | - Alexandre Casta
- Institute of Human Nutrition, Columbia University, College of Physicians & Surgeons, New York, New York, United States of America
| | - Xiuwei Tang
- Department of Dermatology, Columbia University, College of Physicians & Surgeons, New York, New York, United States of America
| | - Courtney T. Luke
- Department of Dermatology, Columbia University, College of Physicians & Surgeons, New York, New York, United States of America
| | - Arianna L. Kim
- Department of Dermatology, Columbia University, College of Physicians & Surgeons, New York, New York, United States of America
| | - David R. Bickers
- Department of Dermatology, Columbia University, College of Physicians & Surgeons, New York, New York, United States of America
| | - Mohammad Athar
- Department of Dermatology, Columbia University, College of Physicians & Surgeons, New York, New York, United States of America
| | - Angela M. Christiano
- Department of Genetics & Development, Columbia University, College of Physicians & Surgeons, New York, New York, United States of America
- Department of Dermatology, Columbia University, College of Physicians & Surgeons, New York, New York, United States of America
- * E-mail:
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28
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Pourreyron C, Reilly L, Proby C, Panteleyev A, Fleming C, McLean K, South AP, Foerster J. Wnt5a is strongly expressed at the leading edge in non-melanoma skin cancer, forming active gradients, while canonical Wnt signalling is repressed. PLoS One 2012; 7:e31827. [PMID: 22384081 PMCID: PMC3285195 DOI: 10.1371/journal.pone.0031827] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2011] [Accepted: 01/12/2012] [Indexed: 11/24/2022] Open
Abstract
Wnt5a is one of the so-called non-canonical Wnt ligands which do not act through β-catenin. In normal development, Wnt5a is secreted and directs the migration of target cells along concentration gradients. The effect of Wnt5a on target cells is regulated by many factors, including the expression level of inhibitors and receptors. Dysregulated Wnt5a signalling facilitates invasion of multiple tumor types into adjacent tissue. However, the expression and distribution of Wnt5a in cutaneous squamous cell carcinoma (SCC) and basal cell carcinoma (BCC), as well as the effect of Wnt5a on keratinocyte migration has not been studied in detail to date. We here report that Wnt5a is upregulated in SCC and BCC and localised to the leading edge of tumors, as well as tumor-associated fibroblasts. The Wnt5a-triggered bundling of its receptor Fzd3 provides evidence of Wnt5a concentration gradients projecting into the tumor. In vitro migration assays show that Wnt5a concentration gradients determine its effect on keratinoctye migration: While chemotactic migration is inhibited by Wnt5a present in homogenous concentrations, it is enhanced in the presence of a Wnt5a gradient. Expression profiling of the Wnt pathway shows that the upregulation of Wnt5a in SCC is coupled to repression of canonical Wnt signalling. This is confirmed by immunohistochemistry showing lack of nuclear β-catenin, as well as absent accumulation of Axin2. Since both types of Wnt signalling act mutually antogonistically at multiple levels, the concurrent repression of canonical Wnt signalling suggests hyper-active Wnt5a signal transduction. Significantly, this combination of gene dysregulation is not observed in the benign hyperproliferative inflammatory skin disease psoriasis. Collectively, our data strongly suggest that Wnt5a signalling contributes to tissue invasion by non-melanoma skin cancer.
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Affiliation(s)
- Celine Pourreyron
- Medical Research Institute, College of Medicine, Dentistry, and Nursing, University of Dundee, Dundee, Scotland
- Cancer Research UK Cancer Centre Dundee, College of Medicine, Dentistry, and Nursing, University of Dundee, Dundee, Scotland
| | - Louise Reilly
- Medical Research Institute, College of Medicine, Dentistry, and Nursing, University of Dundee, Dundee, Scotland
- Cancer Research UK Cancer Centre Dundee, College of Medicine, Dentistry, and Nursing, University of Dundee, Dundee, Scotland
| | - Charlotte Proby
- Medical Research Institute, College of Medicine, Dentistry, and Nursing, University of Dundee, Dundee, Scotland
- Department of Dermatology, College of Medicine, Dentistry, and Nursing, University of Dundee, Dundee, Scotland
- Cancer Research UK Cancer Centre Dundee, College of Medicine, Dentistry, and Nursing, University of Dundee, Dundee, Scotland
| | - Andrey Panteleyev
- Medical Research Institute, College of Medicine, Dentistry, and Nursing, University of Dundee, Dundee, Scotland
- Cancer Research UK Cancer Centre Dundee, College of Medicine, Dentistry, and Nursing, University of Dundee, Dundee, Scotland
| | - Colin Fleming
- Department of Dermatology, College of Medicine, Dentistry, and Nursing, University of Dundee, Dundee, Scotland
- Education Division, College of Medicine, Dentistry, and Nursing, University of Dundee, Dundee, Scotland
| | - Kathleen McLean
- Cancer Research UK Cancer Centre Dundee, College of Medicine, Dentistry, and Nursing, University of Dundee, Dundee, Scotland
- Tayside Tissue Bank, College of Medicine, Dentistry, and Nursing, University of Dundee, Dundee, Scotland
| | - Andrew P. South
- Medical Research Institute, College of Medicine, Dentistry, and Nursing, University of Dundee, Dundee, Scotland
- Cancer Research UK Cancer Centre Dundee, College of Medicine, Dentistry, and Nursing, University of Dundee, Dundee, Scotland
| | - John Foerster
- Department of Dermatology, College of Medicine, Dentistry, and Nursing, University of Dundee, Dundee, Scotland
- Education Division, College of Medicine, Dentistry, and Nursing, University of Dundee, Dundee, Scotland
- * E-mail:
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29
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Burgess STG, McNeilly TN, Watkins CA, Nisbet AJ, Huntley JF. Host transcription factors in the immediate pro-inflammatory response to the parasitic mite Psoroptes ovis. PLoS One 2011; 6:e24402. [PMID: 21915322 PMCID: PMC3168495 DOI: 10.1371/journal.pone.0024402] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2011] [Accepted: 08/08/2011] [Indexed: 12/18/2022] Open
Abstract
Background Sheep scab, caused by infestation with the ectoparasitic mite Psoroptes ovis, results in the rapid development of cutaneous inflammation and leads to the crusted skin lesions characteristic of the disease. We described previously the global host transcriptional response to infestation with P. ovis, elucidating elements of the inflammatory processes which lead to the development of a rapid and profound immune response. However, the mechanisms by which this response is instigated remain unclear. To identify novel methods of intervention a better understanding of the early events involved in triggering the immune response is essential. The objective of this study was to gain a clearer understanding of the mechanisms and signaling pathways involved in the instigation of the immediate pro-inflammatory response. Results Through a combination of transcription factor binding site enrichment and pathway analysis we identified key roles for a number of transcription factors in the instigation of cutaneous inflammation. In particular, defined roles were elucidated for the transcription factors NF-kB and AP-1 in the orchestration of the early pro-inflammatory response, with these factors being implicated in the activation of a suite of inflammatory mediators. Conclusions Interrogation of the host temporal response to P. ovis infestation has enabled the further identification of the mechanisms underlying the development of the immediate host pro-inflammatory response. This response involves key regulatory roles for the transcription factors NF-kB and AP-1. Pathway analysis demonstrated that the activation of these transcription factors may be triggered following a host LPS-type response, potentially involving TLR4-signalling and also lead to the intriguing possibility that this could be triggered by a P. ovis allergen.
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Affiliation(s)
- Stewart T G Burgess
- Moredun Research Institute, Pentlands Science Park, Edinburgh, Scotland, United Kingdom.
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30
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Zhu J, Ananthan S, Mactutus CF, Booze RM. Recombinant human immunodeficiency virus-1 transactivator of transcription1-86 allosterically modulates dopamine transporter activity. Synapse 2011; 65:1251-4. [PMID: 21538554 DOI: 10.1002/syn.20949] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2011] [Revised: 04/20/2011] [Accepted: 04/21/2011] [Indexed: 12/23/2022]
Affiliation(s)
- Jun Zhu
- Department of Pharmaceutical and Biomedical Sciences, South Carolina College of Pharmacy, University of South Carolina, Columbia, South Carolina, USA.
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31
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Midde NM, Gomez AM, Harrod SB, Zhu J. Genetically expressed HIV-1 viral proteins attenuate nicotine-induced behavioral sensitization and alter mesocorticolimbic ERK and CREB signaling in rats. Pharmacol Biochem Behav 2011; 98:587-97. [PMID: 21420997 DOI: 10.1016/j.pbb.2011.03.013] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2010] [Revised: 03/07/2011] [Accepted: 03/12/2011] [Indexed: 12/29/2022]
Abstract
The prevalence of tobacco smoking in HIV-1 positive individuals is 3-fold greater than that in the HIV-1 negative population; however, whether HIV-1 viral proteins and nicotine together produce molecular changes in mesolimbic structures that mediate psychomotor behavior has not been studied. This study determined whether HIV-1 viral proteins changed nicotine-induced behavioral sensitization in HIV-1 transgenic (HIV-1Tg) rats. Further, we examined cAMP response element binding protein (CREB) and extracellular regulated kinase (ERK1/2) signaling in the prefrontal cortex (PFC), nucleus accumbens (NAc) and ventral tegmental area (VTA). HIV-1Tg rats exhibited a transient decrease of activity during habituation, but showed attenuated nicotine (0.35mg/kg, s.c.)-induced behavioral sensitization compared to Fisher 344 (F344) rats. The basal levels of phosphorylated CREB and ERK2 were lower in the PFC of HIV-1Tg rats, but not in the NAc and VTA, relative to the controls. In the nicotine-treated groups, the levels of phosphorylated CREB and ERK2 in the PFC were increased in HIV-1Tg rats, but decreased in F344 animals. Moreover, repeated nicotine administration reduced phosphorylated ERK2 in the VTA of HIV-1Tg rats and in the NAc of F344 rats, but had no effect on phosphorylated CREB, indicating a region-specific change of intracellular signaling. These results demonstrate that HIV-1 viral proteins produce differences in basal and nicotine-induced alterations in CREB and ERK signaling that may contribute to the alteration in psychomotor sensitization. Thus, HIV-1 positive smokers are possibly more vulnerable to alterations in CREB and ERK signaling and this has implications for motivated behavior, including tobacco smoking, in HIV-1 positive individuals who self-administer nicotine.
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Affiliation(s)
- Narasimha M Midde
- Department of Pharmaceutical and Biomedical Sciences, South Carolina College of Pharmacy, University of South Carolina, Columbia, SC 29208, USA
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