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Flori E, Mosca S, Cardinali G, Briganti S, Ottaviani M, Kovacs D, Manni I, Truglio M, Mastrofrancesco A, Zaccarini M, Cota C, Piaggio G, Picardo M. The Activation of PPARγ by (2Z,4E,6E)-2-methoxyocta-2,4,6-trienoic Acid Counteracts the Epithelial–Mesenchymal Transition Process in Skin Carcinogenesis. Cells 2023; 12:cells12071007. [PMID: 37048080 PMCID: PMC10093137 DOI: 10.3390/cells12071007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 03/17/2023] [Accepted: 03/22/2023] [Indexed: 03/29/2023] Open
Abstract
Cutaneous squamous cell carcinoma (cSCC) is the most common UV-induced keratinocyte-derived cancer, and its progression is characterized by the epithelial–mesenchymal transition (EMT) process. We previously demonstrated that PPARγ activation by 2,4,6-octatrienoic acid (Octa) prevents cutaneous UV damage. We investigated the possible role of the PPARγ activators Octa and the new compound (2Z,4E,6E)-2-methoxyocta-2,4,6-trienoic acid (A02) in targeting keratinocyte-derived skin cancer. Like Octa, A02 exerted a protective effect against UVB-induced oxidative stress and DNA damage in NHKs. In the squamous cell carcinoma A431 cells, A02 inhibited cell proliferation and increased differentiation markers’ expression. Moreover, Octa and even more A02 counteracted the TGF-β1-dependent increase in mesenchymal markers, intracellular ROS, the activation of EMT-related signal transduction pathways, and cells’ migratory capacity. Both compounds, especially A02, counterbalanced the TGF-β1-induced cell membrane lipid remodeling and the release of bioactive lipids involved in EMT. In vivo experiments on a murine model useful to study cell proliferation in adult animals showed the reduction of areas characterized by active cell proliferation in response to A02 topical treatment. In conclusion, targeting PPARγ may be useful for the prevention and treatment of keratinocyte-derived skin cancer.
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Affiliation(s)
- Enrica Flori
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
- Correspondence: (E.F.); (M.P.)
| | - Sarah Mosca
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
| | - Giorgia Cardinali
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
| | - Stefania Briganti
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
| | - Monica Ottaviani
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
| | - Daniela Kovacs
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
| | - Isabella Manni
- SAFU Unit, Department of Research, Diagnosis and Innovative Technologies, IRCCS Regina Elena National Cancer Institute, 00144 Roma, Italy
| | - Mauro Truglio
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
| | - Arianna Mastrofrancesco
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
| | - Marco Zaccarini
- Genetic Research, Molecular Biology and Dermatopathology Unit, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
| | - Carlo Cota
- Genetic Research, Molecular Biology and Dermatopathology Unit, San Gallicano Dermatological Institute, IRCCS, 00144 Rome, Italy
| | - Giulia Piaggio
- SAFU Unit, Department of Research, Diagnosis and Innovative Technologies, IRCCS Regina Elena National Cancer Institute, 00144 Roma, Italy
| | - Mauro Picardo
- Faculty of Medicine, Unicamillus International Medical University, 00131 Rome, Italy
- Correspondence: (E.F.); (M.P.)
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FGFR2c Upregulation Contributes to Cancer-Associated Fibroblast Program Activation and to Enhanced Autophagy in Actinic Keratosis-Derived Dermal Fibroblasts: A Possible Role in Precancerous Cell/Stromal Cell Crosstalk. BIOLOGY 2023; 12:biology12030463. [PMID: 36979155 PMCID: PMC10045898 DOI: 10.3390/biology12030463] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 03/09/2023] [Accepted: 03/15/2023] [Indexed: 03/19/2023]
Abstract
Actinic keratosis (AK) is a preneoplastic skin disorder which can rapidly progress to cutaneous squamous cell carcinomas (SCCs). In light of our previous findings, indicating a possible oncogenic role of the mesenchymal isoform of FGFR2 (FGFR2c) aberrantly expressed in AK keratinocytes, we analyzed the possible tumor-promoting role of this receptor in the stromal AK counterpart in this work. Molecular analysis showed that, particularly in early AK lesions, FGFR2c dermal upregulation is accompanied by the downregulation of the cancer-associated fibroblasts (CAF) transcription repressor CSL, the upregulation of the CAF activator ULK3, and the consequent CAF gene induction. Immunofluorescence and molecular analysis, coupled with silencing approaches by siRNA, applied on primary cultures of KIN I-derived fibroblasts, indicated that FGFR2c upregulation contribute to CAF signature and the increased autophagy in response to FGF2. Magnetic bead-based multiplex assay, combined with FGFR2 signaling shut-off approaches, indicated that, especially in response to FGF2, IL-6 secretion could depend on FGFR2c high expression and signaling, suggesting the possible establishment of FGFR2c-dependent secretory autophagy, contributing to tumor-promoting factor release. Overall, our results identified FGFR2c as a signaling molecule involved in controlling precancerous/stromal cell oncogenic crosstalk, pointing to this receptor as a possible early molecular marker predictive for AK’s rapid malignant progression.
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Falkenberg C, Dirschka T, Gilbert G, Stockfleth E, Homey B, Schmitz L. Basal Proliferation and Acantholysis May Represent Histological High-Risk Factors for Progression into Invasive Squamous Cell Carcinoma: A Comparison Study in Solid Organ Transplant Recipients and Matched Immunocompetent Patients. Cancers (Basel) 2023; 15:cancers15061765. [PMID: 36980650 PMCID: PMC10046608 DOI: 10.3390/cancers15061765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/11/2023] [Accepted: 03/13/2023] [Indexed: 03/17/2023] Open
Abstract
Histological risk factors of AKs cannot be directly determined. Recent studies indicate that AKs restricted to the lower third of the epidermis (AK I), with marked basal proliferation (PRO III) and acantholysis, are associated with an increased risk of progression to invasive squamous cell carcinoma (iSCC). To confirm the aforementioned histological risk factors, this study compared AKs from solid organ transplant recipients (sOTRs), known to carry an up to 250-fold higher risk for progression into iSCC, to a matched immunocompetent control group (ICG). In total, 111 AKs from 43 sOTRs showed more AKs (n = 54, 48.7%) graded as AK I compared to 35 AKs (31.5%) in the ICG (p = 0.009). In line with these findings, 89 AKs (80.2%) from sOTRs showed pronounced basal proliferation (PRO III) compared to 37 AKs (33.3%) in the ICG (p < 0.0001). Acantholysis was more frequent in sOTRs than the ICG (59.5% vs. 32.4%, p < 0.0001) and more frequently associated with advanced basal proliferation (p < 0.0001). In conclusion, this study showed that acantholytic AKs graded as AK I and PRO III are predominantly found in a population at high risk of iSCC. Thus, AKs with marked basal proliferation and acantholysis should be assumed to be histological high-risk factors for the progression into iSCC.
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Affiliation(s)
- Conrad Falkenberg
- Department of Dermatology, University Hospital Düsseldorf, Medical Faculty, Heinrich-Heine-University, 40225 Düsseldorf, Germany
| | - Thomas Dirschka
- Faculty of Health, University Witten-Herdecke, Alfred-Herrhausen-Straße 50, 58448 Witten, Germany
- CentroDerm Clinic, Heinz-Fangman-Straße 57, 42287 Wuppertal, Germany
| | - Georgia Gilbert
- Edinburgh Medical School, The University of Edinburgh, Edinburgh EH16 4SB, UK
| | - Eggert Stockfleth
- Department of Dermatology, Venereology and Allergology, Ruhr-University, 44780 Bochum, Germany
| | - Bernhard Homey
- Department of Dermatology, University Hospital Düsseldorf, Medical Faculty, Heinrich-Heine-University, 40225 Düsseldorf, Germany
| | - Lutz Schmitz
- CentroDerm Clinic, Heinz-Fangman-Straße 57, 42287 Wuppertal, Germany
- Department of Dermatology, Venereology and Allergology, Ruhr-University, 44780 Bochum, Germany
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Genenger B, Perry JR, Ashford B, Ranson M. A tEMTing target? Clinical and experimental evidence for epithelial-mesenchymal transition in the progression of cutaneous squamous cell carcinoma (a scoping systematic review). Discov Oncol 2022; 13:42. [PMID: 35666359 PMCID: PMC9170863 DOI: 10.1007/s12672-022-00510-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 05/27/2022] [Indexed: 02/07/2023] Open
Abstract
Cutaneous squamous cell carcinoma (cSCC) is a disease with globally rising incidence and poor prognosis for patients with advanced or metastatic disease. Epithelial-mesenchymal transition (EMT) is a driver of metastasis in many carcinomas, and cSCC is no exception. We aimed to provide a systematic overview of the clinical and experimental evidence for EMT in cSCC, with critical appraisal of type and quality of the methodology used. We then used this information as rationale for potential drug targets against advanced and metastatic cSCC. All primary literature encompassing clinical and cell-based or xenograft experimental studies reporting on the role of EMT markers or related signalling pathways in the progression of cSCC were considered. A screen of 3443 search results yielded 86 eligible studies comprising 44 experimental studies, 22 clinical studies, and 20 studies integrating both. From the clinical studies a timeline illustrating the alteration of EMT markers and related signalling was evident based on clinical progression of the disease. The experimental studies reveal connections of EMT with a multitude of factors such as genetic disorders, cancer-associated fibroblasts, and matrix remodelling via matrix metalloproteinases and urokinase plasminogen activator. Additionally, EMT was found to be closely tied to environmental factors as well as to stemness in cSCC via NFκB and β-catenin. We conclude that the canonical EGFR, canonical TGF-βR, PI3K/AKT and NFκB signalling are the four signalling pillars that induce EMT in cSCC and could be valuable therapeutic targets. Despite the complexity, EMT markers and pathways are desirable biomarkers and drug targets for the treatment of advanced or metastatic cSCC.
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Affiliation(s)
- Benjamin Genenger
- School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW, Australia.
- Illawarra Health and Medical Research Institute, Wollongong, NSW, Australia.
| | - Jay R Perry
- School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW, Australia
- Illawarra Health and Medical Research Institute, Wollongong, NSW, Australia
| | - Bruce Ashford
- Illawarra Health and Medical Research Institute, Wollongong, NSW, Australia
- School of Medicine, University of Wollongong, Wollongong, NSW, Australia
| | - Marie Ranson
- School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW, Australia.
- Illawarra Health and Medical Research Institute, Wollongong, NSW, Australia.
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García-García VA, Alameda JP, Page A, Mérida-García A, Navarro M, Tejero A, Paramio JM, García-Fernández RA, Casanova ML. IKKα Induces Epithelial–Mesenchymal Changes in Mouse Skin Carcinoma Cells That Can Be Partially Reversed by Apigenin. Int J Mol Sci 2022; 23:ijms23031375. [PMID: 35163299 PMCID: PMC8836221 DOI: 10.3390/ijms23031375] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 01/21/2022] [Accepted: 01/21/2022] [Indexed: 11/30/2022] Open
Abstract
NMSC (non-melanoma skin cancer) is a common tumor in the Caucasian population, accounting for 90% of skin cancers. Among them, squamous cell carcinomas (SCCs) can metastasize and, due to its high incidence, constitute a severe health problem. It has been suggested that cutaneous SCCs with more risk to metastasize express high levels of nuclear IKKα. However, the molecular mechanisms that lead to this enhanced aggressiveness are largely unknown. To understand in depth the influence of nuclear IKKα in skin SCC progression, we have generated murine PDVC57 skin carcinoma cells expressing exogenous IKKα either in the nucleus or in the cytoplasm to further distinguish the tumor properties of IKKα in both localizations. Our results show that IKKα promotes changes in both subcellular compartments, resembling EMT (epithelial–mesenchymal transition), which are more pronounced when IKKα is in the nucleus of these tumor cells. These EMT-related changes include a shift toward a migratory phenotype and induction of the expression of proteins involved in cell matrix degradation, cell survival and resistance to apoptosis. Additionally, we have found that apigenin, a flavonoid with anti-cancer properties, inhibits the expression of IKKα and attenuates most of the pro-tumoral EMT changes induced by IKKα in mouse tumor keratinocytes. Nevertheless, we have found that apigenin only inhibits the expression of the IKKα protein when it is localized in the cytoplasm.
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Affiliation(s)
- Verónica A. García-García
- Molecular and Translational Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain; (V.A.G.-G.); (J.P.A.); (A.P.); (A.M.-G.); (M.N.); (A.T.); (J.M.P.)
- Biomedical Research Institute I+12, 12 de Octubre University Hospital, 28040 Madrid, Spain
| | - Josefa P. Alameda
- Molecular and Translational Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain; (V.A.G.-G.); (J.P.A.); (A.P.); (A.M.-G.); (M.N.); (A.T.); (J.M.P.)
- Biomedical Research Institute I+12, 12 de Octubre University Hospital, 28040 Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28029 Madrid, Spain
| | - Angustias Page
- Molecular and Translational Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain; (V.A.G.-G.); (J.P.A.); (A.P.); (A.M.-G.); (M.N.); (A.T.); (J.M.P.)
- Biomedical Research Institute I+12, 12 de Octubre University Hospital, 28040 Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28029 Madrid, Spain
| | - Antonio Mérida-García
- Molecular and Translational Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain; (V.A.G.-G.); (J.P.A.); (A.P.); (A.M.-G.); (M.N.); (A.T.); (J.M.P.)
- Complejo Asistencial de Zamora, 49022 Zamora, Spain
| | - Manuel Navarro
- Molecular and Translational Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain; (V.A.G.-G.); (J.P.A.); (A.P.); (A.M.-G.); (M.N.); (A.T.); (J.M.P.)
- Biomedical Research Institute I+12, 12 de Octubre University Hospital, 28040 Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28029 Madrid, Spain
| | - Adrián Tejero
- Molecular and Translational Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain; (V.A.G.-G.); (J.P.A.); (A.P.); (A.M.-G.); (M.N.); (A.T.); (J.M.P.)
| | - Jesús M. Paramio
- Molecular and Translational Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain; (V.A.G.-G.); (J.P.A.); (A.P.); (A.M.-G.); (M.N.); (A.T.); (J.M.P.)
- Biomedical Research Institute I+12, 12 de Octubre University Hospital, 28040 Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28029 Madrid, Spain
| | - Rosa A. García-Fernández
- Department of Animal Medicine and Surgery, Facultad de Veterinaria, Complutense University of Madrid (UCM), 28040 Madrid, Spain;
| | - M. Llanos Casanova
- Molecular and Translational Oncology Unit, Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), 28040 Madrid, Spain; (V.A.G.-G.); (J.P.A.); (A.P.); (A.M.-G.); (M.N.); (A.T.); (J.M.P.)
- Biomedical Research Institute I+12, 12 de Octubre University Hospital, 28040 Madrid, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), 28029 Madrid, Spain
- Correspondence:
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MicroRNA31 and MMP-1 contribute to the differentiated pathway of invasion -with enhanced epithelial-to-mesenchymal transition- in squamous cell carcinoma of the skin. Arch Dermatol Res 2021; 314:767-775. [PMID: 34647185 DOI: 10.1007/s00403-021-02288-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 09/19/2021] [Accepted: 10/01/2021] [Indexed: 12/11/2022]
Abstract
Epithelial to mesenchymal transition (EMT) is an important mechanism of invasion in cutaneous squamous cell carcinomas (cSCCs) and has been found to be enhanced in tumors originated from actinic keratosis with transformation limited to the basal epithelial layer -differentiated pathway-, compared to cases with invasion subsequent to complete epidermal transformation -classical pathway-. Several microRNAs and proteins can contribute to EMT modulation in cSCCs. MicroRNA21 and microRNA31 are involved in posttranscriptional regulation of protein expression and could play a relevant role in EMT and cSCC progression. Throughout the EMT process upregulation of matrix metalloproteinases (MMPs) enhances invasiveness and MMP-1 and MMP-3 contribute to local invasion, angiogenesis and metastasis in cSCCs. Additionally, cSCC development is associated with PTEN loss and NF-κB, NOTCH-1 and p63 activation. The aim of this work is to identify differences in the expression of those molecules between both pathways of cSCCs development. Eight tissue microarrays from 80 consecutive cSCCs were analyzed using LNA-based miRNA in situ hybridization for miRNA21 and miRNA31 evaluation, and immunohistochemistry for MMP-1, MMP-3, PTEN, NOTCH-1, NF-κB, p63 and CD31. Significantly higher expression of miRNA31 (p < 0.0001) and MMP-1 (p = 0.0072) and angiogenesis (p = 0.0199) were found in the differentiated pathway, whereas PTEN loss (p = 0.0430) was more marked in the classical pathway. No significant differences were found for the other markers. Our findings support a contribution of miRNA31 and MMP-1 in the differentiated pathway, associated to EMT and increased microvascularization. The greater PTEN loss in the classical pathway indicate that its relevance in cSCC is not EMT-related.
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Meyer T, Sand M, Schmitz L, Stockfleth E. The Role of Circular RNAs in Keratinocyte Carcinomas. Cancers (Basel) 2021; 13:cancers13164240. [PMID: 34439394 PMCID: PMC8392367 DOI: 10.3390/cancers13164240] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/18/2021] [Accepted: 08/18/2021] [Indexed: 12/19/2022] Open
Abstract
Keratinocyte carcinomas (KC) include basal cell carcinomas (BCC) and cutaneous squamous cell carcinomas (cSCC) and represents the most common cancer in Europe and North America. Both entities are characterized by a very high mutational burden, mainly UV signature mutations. Predominately mutated genes in BCC belong to the sonic hedgehog pathway, whereas, in cSCC, TP53, CDKN2A, NOTCH1/2 and others are most frequently mutated. In addition, the dysregulation of factors associated with epithelial to mesenchymal transition (EMT) was shown in invasive cSCC. The expression of factors associated with tumorigenesis can be controlled in several ways and include non-coding RNA molecules, such as micro RNAs (miRNA) long noncoding RNAs (lncRNA) and circular RNAs (circRNA). To update findings on circRNA in KC, we reviewed 13 papers published since 2016, identified in a PubMed search. In both BCC and cSCC, numerous circRNAs were identified that were differently expressed compared to healthy skin. Some of them were shown to target miRNAs that are also dysregulated in KC. Moreover, some studies confirmed the biological functions of individual circRNAs involved in cancer development. Thus, circRNAs may be used as biomarkers of disease and disease progression and represent potential targets of new therapeutic approaches for KC.
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Affiliation(s)
- Thomas Meyer
- Department of Dermatology St. Josef Hospital, Ruhr-University Bochum, Gudrunstr. 56, 44791 Bochum, Germany;
- Correspondence: ; Tel.: +49-234-5096014
| | - Michael Sand
- Department of Plastic and Reconstructive Surgery, St. Josef-Hospital, Heidbergweg 22–24, 45257 Essen, Germany;
| | - Lutz Schmitz
- Institute of Dermatopathology, MVZ Corius DermPath Bonn, GmbH, Trierer Strasse 70–72, 53115 Bonn, Germany;
| | - Eggert Stockfleth
- Department of Dermatology St. Josef Hospital, Ruhr-University Bochum, Gudrunstr. 56, 44791 Bochum, Germany;
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Pogorzelska-Dyrbus J, Szepietowski JC. Adhesion Molecules in Non-melanoma Skin Cancers: A Comprehensive Review. In Vivo 2021; 35:1327-1336. [PMID: 33910810 DOI: 10.21873/invivo.12385] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 03/05/2021] [Accepted: 03/19/2021] [Indexed: 12/18/2022]
Abstract
Basal cell carcinoma (BCC) and squamous cell carcinoma (SCC) are the most frequently diagnosed cancers, generating significant medical and financial problems. Cutaneous carcinogenesis is a very complex process characterized by genetic and molecular alterations, and mediated by various proteins and pathways. Cell adhesion molecules (CAMs) are transmembrane proteins responsible for cell-to-cell and cell-to-extracellular matrix adhesion, engaged in all steps of tumor progression. Based on their structures they are divided into five major groups: cadherins, integrins, selectins, immunoglobulins and CD44 family. Cadherins, integrins and CD44 are the most studied in the context of non-melanoma skin cancers. The differences in expression of adhesion molecules may be related to the invasiveness of these tumors, through the loss of tissue integrity, neovascularization and alterations in intercellular signaling processes. In this article, each group of CAMs is briefly described and the present knowledge on their role in the development of non-melanoma skin cancers is summarized.
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Affiliation(s)
| | - Jacek C Szepietowski
- Department of Dermatology, Venereology and Allergology, Wroclaw Medical University, Wroclaw, Poland
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Persechino F, Ranieri D, Guttieri L, Nanni M, Torrisi MR, Belleudi F. Expression Profile of Fibroblast Growth Factor Receptors, Keratinocyte Differentiation Markers, and Epithelial Mesenchymal Transition-Related Genes in Actinic Keratosis: A Possible Predictive Factor for Malignant Progression? BIOLOGY 2021; 10:biology10040331. [PMID: 33920760 PMCID: PMC8071104 DOI: 10.3390/biology10040331] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/12/2021] [Accepted: 04/13/2021] [Indexed: 12/13/2022]
Abstract
Simple Summary In this work, we checked the modulation of Fibroblast Growth Factor Receptors (FGFRs) along with differentiation-related and epithelial-to-mesenchymal transition (EMT)-related markers to identify expression profiles that could be predictive for actinic keratosis (AK) progression through the “differentiated” pathway. We found that the downregulation of the analyzed differentiation markers, but not the modulation of the EMT-related markers, correlated with the canonical progression of AK. In addition, the observed modulation of FGFR2 mesenchymal/epithelial isoforms compatible with FGFR2 isoform switch, as well as the upregulation of FGFR4 suggested their correlation with early steps of AK pathogenesis. In contrast, the increase of mesenchymal FGFR3c isoform expression appeared to suggest that this event correlated with late steps of AK progression. In addition, the strong modulation of filaggrin (FIL), Snail1, as well as of FGFR2c, FGFR4, and their ligand Fibroblast Growth Factor 2 (FGF2), observed in some of the keratinocytic intraepithelial neoplasia grade I (KIN I) samples, may indicate that they could be molecular markers predictive for those KIN I lesions destined to a direct progression to squamous cell carcinoma (SCC) through the “differentiated” pathway. Abstract Actinic keratosis (AK) is the ultra violet (UV)-induced preneoplastic skin lesion clinically classified in low (KIN I), intermediate (KIN II), and high (KIN III) grade lesions. In this work we analyzed the expression of Fibroblast Growth Factor Receptors (FGFRs), as well as of keratinocyte differentiation and epithelial-to-mesenchymal transition (EMT)-related markers in differentially graded AK lesions, in order to identify specific expression profiles that could be predictive for direct progression of some KIN I lesions towards squamous cell carcinoma (SCC). Our molecular analysis showed that the keratinocyte differentiation markers keratin 1 (K1), desmoglein-1 (DSG1), and filaggrin (FIL) were progressively downregulated in KIN I, II, and III lesions, while the modulation of epithelial/mesenchymal markers and the induction of the transcription factors Snail1 and Zinc finger E-box-binding homeobox 1 (ZEB1) compatible with pathological EMT, even if observable, did not appear to correlate with AK progression. Concerning FGFRs, a modulation of epithelial isoform of FGFR2 (FGFR2b) and the mesenchymal FGFR2c isoform compatible with an FGFR2 isoform switch, as well as FGFR4 upregulation were observed starting from KIN I lesions, suggesting that they could be events involved in early steps of AK pathogenesis. In contrast, the increase of FGFR3c expression, mainly appreciable in KIN II and KIN III lesions, suggested a correlation with AK late progression. Interestingly, the strong modulation of FIL, Snail1, as well as of FGFR2c, FGFR4, and of their ligand FGF2, observed in some of the KIN I samples, may indicate that they could be molecular markers predictive for those low graded lesions destined to a direct progression to SCC. In conclusion, our data point on the identification of molecular markers predictive for AK rapid progression through the “differentiated” pathway. Our results also represent an important step that, in future, will help to clarify the molecular mechanisms underlying FGFR signaling deregulation in epithelial tissues during the switch from the pre-neoplastic to the oncogenic malignant phenotype.
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Affiliation(s)
- Flavia Persechino
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, 00189 Rome, Italy; (F.P.); (D.R.); (L.G.); (M.R.T.)
| | - Danilo Ranieri
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, 00189 Rome, Italy; (F.P.); (D.R.); (L.G.); (M.R.T.)
| | - Luisa Guttieri
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, 00189 Rome, Italy; (F.P.); (D.R.); (L.G.); (M.R.T.)
| | - Monica Nanni
- Tissue Biology Research Unit, Department of Surgery, University Children’s Hospital, CH–8032 Zurich, Switzerland;
| | - Maria Rosaria Torrisi
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, 00189 Rome, Italy; (F.P.); (D.R.); (L.G.); (M.R.T.)
- S. Andrea University Hospital, 00100 Rome, Italy
| | - Francesca Belleudi
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, 00189 Rome, Italy; (F.P.); (D.R.); (L.G.); (M.R.T.)
- Correspondence:
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Lee D, Kim B, Yang S, Kim M, Yoon T, Youn S. Histopathological predictor of the progression from actinic keratosis to squamous cell carcinoma: quantitative computer‐aided image analysis. J Eur Acad Dermatol Venereol 2020; 35:116-122. [DOI: 10.1111/jdv.16680] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Accepted: 05/11/2020] [Indexed: 12/28/2022]
Affiliation(s)
- D.Y. Lee
- Department of Dermatology Seoul National University Bundang Hospital Seoul National University College of Medicine Seongnam Korea
| | - B.R. Kim
- Department of Dermatology Seoul National University Bundang Hospital Seoul National University College of Medicine Seongnam Korea
| | - S. Yang
- Department of Dermatology Seoul National University Bundang Hospital Seoul National University College of Medicine Seongnam Korea
| | - M. Kim
- Department of Dermatology Seoul National University Bundang Hospital Seoul National University College of Medicine Seongnam Korea
| | - T.Y. Yoon
- Department of Dermatology College of Medicine and Medical Research Institute Chungbuk National University Cheongju Korea
| | - S.W. Youn
- Department of Dermatology Seoul National University Bundang Hospital Seoul National University College of Medicine Seongnam Korea
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11
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Dejonckheere G, Suppa M, Del Marmol V, Meyer T, Stockfleth E. The actinic dysplasia syndrome - diagnostic approaches defining a new concept in field carcinogenesis with multiple cSCC. J Eur Acad Dermatol Venereol 2020; 33 Suppl 8:16-20. [PMID: 31833608 DOI: 10.1111/jdv.15949] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 08/23/2019] [Indexed: 12/19/2022]
Abstract
Usually, SCC lesions are surrounded by a number of clinically visible and non-visible (subclinical) areas of actinically damaged skin containing cells with dysplasia, and thus may be designated actinic dysplasia syndrome. The epithelial damage is caused mainly by UV radiation, inducing mutations in keratinocytes that may confer growth advantages resulting in preneoplastic fields. The development of visible dysplastic lesions (actinic keratosis - AK) and subsequent progression to invasive SCC requires further mutations in cancer-associated genes, like tumour suppressor genes and cell cycle regulators. Reflectance confocal microscopy (RCM) and optical coherence tomography (OCT) represent a considerable advantage for the investigation of field cancerization. In addition, imaging allows the non-invasive monitoring of topical treatments for AKs. RCM provides in vivo horizontal skin sections with a high, 1-μm lateral resolution (similar to histopathology) but with a limited penetration (about 200 μm), which can hamper the visualization of important areas such as the dermal-epidermal junction. Conventional OCT has better penetration (1-2 mm) at the expense of a more limited resolution (much lower than histopathology). Line-field confocal OCT (LC-OCT) combines the high precision of RCM and the good penetration of OCT in a single device and therefore appears to be very useful in diagnosing/managing AKs.
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Affiliation(s)
- G Dejonckheere
- Department of Dermatology and Venerology, Erasme Hospital, Free University of Brussels, Brussels, Belgium
| | - M Suppa
- Department of Dermatology and Venerology, Erasme Hospital, Free University of Brussels, Brussels, Belgium
| | - V Del Marmol
- Department of Dermatology and Venerology, Erasme Hospital, Free University of Brussels, Brussels, Belgium
| | - T Meyer
- Department of Dermatology, Venerology and Allergology, St. Josef Hospital, Ruhr-University, Bochum, Germany
| | - E Stockfleth
- Department of Dermatology, Venerology and Allergology, St. Josef Hospital, Ruhr-University, Bochum, Germany
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12
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The Role of Epithelial-to-Mesenchymal Transition in Cutaneous Squamous Cell Carcinoma : Epithelial-to-Mesenchymal Transition in Cutaneous SCC. Curr Treat Options Oncol 2020; 21:47. [PMID: 32350682 DOI: 10.1007/s11864-020-00735-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OPINION STATEMENT The capacity of cells to modify their phenotypes from epithelial to mesenchymal (epithelial-to-mesenchymal transition or EMT) and vice versa provides them with a dynamic plasticity essential for human life, from embryogenesis to wound healing. Current knowledge about carcinogenetic mechanisms leaves little doubts on the pivotal participation of these interchangeable processes in cancer development, and their influence has been quite clearly established in the progression of cutaneous squamous cell carcinoma. A complex and ordered interplay of signals induces the shift between both phenotypes, providing cells with the most suitable state at every moment to face the next step in tumor invasion and dissemination. Some stimulatory triggers have opposite effects according to the biological context and in many cases exert collateral functions. This scenario makes finding an ideal therapeutic target difficult but provides the opportunity to intervene simultaneously at many different levels with small actions such as targeting the tumor environment. In any case, advances in knowledge of the EMT mechanisms and their influence on carcinogenesis and drug resistance will greatly influence the therapeutic strategies for many human tumors, including cutaneous squamous cell carcinoma.
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OVOL2-Mediated ZEB1 Downregulation May Prevent Promotion of Actinic Keratosis to Cutaneous Squamous Cell Carcinoma. J Clin Med 2020; 9:jcm9030618. [PMID: 32106476 PMCID: PMC7141138 DOI: 10.3390/jcm9030618] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 02/18/2020] [Accepted: 02/24/2020] [Indexed: 01/23/2023] Open
Abstract
Progression of actinic keratosis (AK) to cutaneous squamous cell carcinoma (cSCC) is rare. Most cases of AK remain as intraepidermal lesions, owing to the suppression of the epithelial-to-mesenchymal transition (EMT). Ovo-like transcriptional repressor 1 (OVOL1) and ovo-like zinc finger 2 (OVOL2) are important modulators of EMT in some tumors, but their roles in skin tumors remain elusive. This study elucidated the roles of OVOL1/2 in AK and cSCC using 30 AK/30 cSCC clinical samples, and an A431 human SCC cell line using immunohistochemistry and molecular biological approaches. Immunohistochemically, OVOL1/2 were upregulated in AK and downregulated in cSCC. Meanwhile, EMT-related factors, vimentin and zinc finger E-box binding homeobox 1 (ZEB1) were downregulated in AK and upregulated in cSCC. Moreover, ZEB1 expression was higher in tumors in which OVOL2 expression was low. Thus, we observed an inverse association between OVOL2 and ZEB1 expression in AK and cSCC. Although knockdown of OVOL1 or OVOL2 increased the mRNA and protein levels of ZEB1, only OVOL2 knockdown increased the invasive ability of A431. In conclusion, OVOL2 inhibits ZEB1 expression and may inhibit the promotion of AK into cSCC. OVOL2/ZEB1 axis may be a potential target for preventing the development of cSCC.
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14
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Epithelial-Mesenchymal Transition in Skin Cancers: A Review. Anal Cell Pathol (Amst) 2019; 2019:3851576. [PMID: 31934531 PMCID: PMC6942705 DOI: 10.1155/2019/3851576] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Revised: 10/07/2019] [Accepted: 11/09/2019] [Indexed: 12/28/2022] Open
Abstract
Epithelial-mesenchymal transition (EMT) is involved in physiologic processes such as embryogenesis and wound healing. A similar mechanism occurs in some tumors where cells leave the epithelial layer and gain mesenchymal particularities in order to easily migrate to other tissues. This process can explain the invasiveness and aggressiveness of these tumors which metastasize, by losing the epithelial phenotype (loss of E-cadherin, desmoplakin, and laminin-1) and acquiring mesenchymal markers (N-cadherin). Complex changes and interactions happen between the tumor cells and the microenvironment involving different pathways, transcription factors, altered expression of adhesion molecules, reorganization of cytoskeletal proteins, production of ECM-degrading enzymes, and changes in specific microRNAs. The purpose of this review is to determine particularities of the EMT process in the most common malignant cutaneous tumors (squamous cell carcinoma, basal cell carcinoma, and melanoma) which still have an increasingly high incidence. More studies are required on this topic in order to establish clear correlations. High costs related to skin cancer therapies in general as well as high impact on patients' quality of life demand finding new, reliable prognostic and therapeutic markers with significant public health impact.
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15
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Schmitz L, Oster-Schmidt C, Stockfleth E. Nonmelanoma skin cancer - from actinic keratosis to cutaneous squamous cell carcinoma. J Dtsch Dermatol Ges 2019; 16:1002-1013. [PMID: 30117703 DOI: 10.1111/ddg.13614] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Accepted: 06/01/2018] [Indexed: 01/07/2023]
Abstract
Actinic keratoses (AKs) are defined as intraepithelial proliferation of atypical keratinocytes. Given their potential for progression to invasive squamous cell carcinoma, they may eventually evolve into a life-threatening disease. In recent decades, there has been a significant increase in the incidence of AKs, primarily due to changes in recreational activities and demographic trends in industrialized countries. As it is currently impossible to predict if and when a given AK might progress to invasive carcinoma, rigorous treatment of field cancerization is a key component in preventing potential progression. In addition to a broad armamentarium of procedures as well as pharmaceutical treatment options, primary prevention through diligent UV protection likewise plays a crucial role. New clinical, histomorphological, or molecular classifications are needed to be able to reliably stratify patients based on their individual risk. Especially in light of socio-economic aspects, such a step might prevent over- and undertreatment of an ever-growing patient population and help develop treatment concepts based on individual patient needs.
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Affiliation(s)
- Lutz Schmitz
- Department of Dermatology, Venereology and Allergology, Ruhr University Bochum, Bochum, Germany
| | | | - Eggert Stockfleth
- Department of Dermatology, Venereology and Allergology, Ruhr University Bochum, Bochum, Germany
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16
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Buechner SA, Resink TJ. T-Cadherin Expression in Actinic Keratosis Transforming to Invasive Squamous Cell Carcinoma. Dermatopathology (Basel) 2019; 6:12-19. [PMID: 31049318 PMCID: PMC6489029 DOI: 10.1159/000495609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 11/19/2018] [Indexed: 11/19/2022] Open
Abstract
Background/Aims Clinical and histological features of actinic keratosis (AK) cannot predict malignant transformation to invasive squamous cell carcinoma (iSCC) in individual lesions. We investigated whether patterns/distribution of T-cadherin in AK lesions have biomarker value in predicting transformation to iSCC. Methods 28 specimens of cutaneous iSCC exhibiting adjacent or overlying AK were immunostained for T-cadherin and classified according to AK histological grade (AK I-III) and basal growth pattern (PRO I-III). Results T-cadherin staining was absent/very weak in 16 and strongly positive in 12 cases. iSSCs lacking T-cadherin expression were most commonly (12/16 cases) associated with type AK I or PRO I lesions, whereas the majority (10/12 cases) of T-cadherin-positive iSCCs originated from AK II and AK III/PRO II and PRO III. In T-cadherin-negative iSCCs, T-cadherin expression was absent in overlying AK and early invasive tumour but retained in AK areas adjacent to the tumour. In contrast, T-cadherin-positive iSCCs displayed expression of T-cadherin in the adjacent AK and early invasive tumour. Conclusion T-cadherin-negative iSCC arises from AK showing partial or extensive regional loss of T-cadherin in the basal layer of the epidermis. We speculate that T-cadherin loss in individual AK lesions could indicate potential transformation of AK into aggressive iSCC.
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Affiliation(s)
| | - Therese J Resink
- Department of Biomedicine, Basel University Hospital, Basel, Switzerland
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17
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Schmitz L, Gupta G, Stücker M, Doerler M, Gambichler T, Welzel J, Szeimies RM, Bierhoff E, Stockfleth E, Dirschka T. Evaluation of two histological classifications for actinic keratoses - PRO classification scored highest inter-rater reliability. J Eur Acad Dermatol Venereol 2019; 33:1092-1097. [PMID: 30887613 DOI: 10.1111/jdv.15580] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Accepted: 02/26/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Actinic keratoses (AKs) can histologically be classified by the extent of atypical keratinocytes throughout the epidermis or their pattern of basal proliferation. Currently, no data on the inter-rater reliability of both scores is available. OBJECTIVE To evaluate the inter-rater reliability of the two classification schemes; histological grade (AK I-III) and basal proliferation (PRO I-III). METHODS Histological images of 54 AKs were classified by 21 independent dermatopathologists with regard to basal proliferation (PRO I-III), histological grade (AK I-III) and assumed risk of progression into invasive carcinoma. RESULTS Overall, of the 54 AKs 16.7% (9/54) were classified as AK I, 66.7% (36/54) as AK II, and 16.7% (9/54) as AK III. With regards to basal growth pattern, 25.9% (14/54) were classified as PRO I, 42.6% (23/54) as PRO II, and 31.5% (17/54) as PRO III. We observed a highly significant inter-rater reliability for PRO-grading (P < 0.001) which was higher than for AK-grading (Kendall's W coefficient: AK = 0.488 vs. PRO = 0.793). We found substantial agreement for assumed progression risk for AKs with worsening basal proliferation (k = 0.759) compared to moderate agreement (k = 0.563) for different AK-gradings. CONCLUSIONS Histological classification of basal growth pattern (PRO) showed higher inter-rater reliability compared to the established classification of atypical keratinocytes throughout epidermal layers. Moreover, experienced dermatopathologists considered basal proliferation to be more important in terms of progression risk than upwards directed growth patterns. It should be considered to classify AKs according to their basal proliferation pattern (PRO I-III).
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Affiliation(s)
- L Schmitz
- Department of Dermatology, Venereology and Allergology, Ruhr University, Bochum, Germany
| | - G Gupta
- Department of Dermatology, University Hospital Monklands, Lanarkshire, UK.,School of Medicine, University of Glasgow, Glasgow, UK
| | - M Stücker
- Department of Dermatology, Venereology and Allergology, Ruhr University, Bochum, Germany
| | - M Doerler
- Department of Dermatology, Venereology and Allergology, Ruhr University, Bochum, Germany
| | - T Gambichler
- Department of Dermatology, Venereology and Allergology, Ruhr University, Bochum, Germany
| | - J Welzel
- Department of Dermatology and Allergology, General Hospital Augsburg, Augsburg, Germany
| | - R M Szeimies
- Department of Dermatology and Allergology, Vest Hospital, Academic Teaching Hospital University of Bochum, Recklinghausen, Germany
| | - E Bierhoff
- Heinz-Werner-Seifert-Institute of Dermatopathology, Bonn, Germany
| | - E Stockfleth
- Department of Dermatology, Venereology and Allergology, Ruhr University, Bochum, Germany
| | - T Dirschka
- CentroDerm Clinic, Wuppertal, Germany.,Faculty of Health, University Witten-Herdecke, Witten, Germany
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18
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Schmitz L, Oster-Schmidt C, Stockfleth E. Nichtmelanozytäre Hauttumoren - von der aktinischen Keratose bis zum Plattenepithelkarzinom. J Dtsch Dermatol Ges 2018; 16:1002-1014. [PMID: 30117708 DOI: 10.1111/ddg.13614_g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Accepted: 06/01/2018] [Indexed: 11/29/2022]
Affiliation(s)
- Lutz Schmitz
- Klinik für Dermatologie, Venerologie und Allergologie, Ruhr-Universität Bochum
| | | | - Eggert Stockfleth
- Klinik für Dermatologie, Venerologie und Allergologie, Ruhr-Universität Bochum
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19
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Schmitz L, Gambichler T, Kost C, Gupta G, Stücker M, Stockfleth E, Dirschka T. Cutaneous squamous cell carcinomas are associated with basal proliferating actinic keratoses. Br J Dermatol 2018. [DOI: 10.1111/bjd.16536] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- L. Schmitz
- Department of Dermatology, Venereology and Allergology Ruhr‐University Gudrunstraße 56 D‐44791 Bochum Germany
| | - T. Gambichler
- Department of Dermatology, Venereology and Allergology Ruhr‐University Gudrunstraße 56 D‐44791 Bochum Germany
| | - C. Kost
- Department of Dermatology, Venereology and Allergology Ruhr‐University Gudrunstraße 56 D‐44791 Bochum Germany
| | - G. Gupta
- Department of Dermatology University Hospital Monklands Lanarkshire U.K
- School of Medicine University of Glasgow Glasgow U.K
| | - M. Stücker
- Department of Dermatology, Venereology and Allergology Ruhr‐University Gudrunstraße 56 D‐44791 Bochum Germany
| | - E. Stockfleth
- Department of Dermatology, Venereology and Allergology Ruhr‐University Gudrunstraße 56 D‐44791 Bochum Germany
| | - T. Dirschka
- CentroDerm Clinic Heinz‐Fangman‐Straße 57 Wuppertal Germany
- Faculty of Health University Witten‐Herdecke Alfred‐Herrhausen‐Straße 50 Witten Germany
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Wang C, Li T, Yan F, Cai W, Zheng J, Jiang X, Sun J. Effect of simvastatin and microRNA-21 inhibitor on metastasis and progression of human salivary adenoid cystic carcinoma. Biomed Pharmacother 2018; 105:1054-1061. [PMID: 30021341 DOI: 10.1016/j.biopha.2018.05.157] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 05/30/2018] [Accepted: 05/30/2018] [Indexed: 12/11/2022] Open
Abstract
Salivary adenoid cystic carcinoma (SACC) is a common malignancy of the salivary glands. Epithelial-mesenchymal transition (EMT) and P53 signaling pathway are associated with SACC metastasis and progression. Although simvastatin (SIM) is effective against the growth of many cancer types, its side effects limit its use. microRNA-21 (miR-21) is highly expressed in a variety of tumors and has a role in promoting tumor development. Therefore, the aim of the present study was to evaluate the effect of SIM in combination with miR-21 inhibitor (miR-21i) against lung metastatic SACC cells (SACC-LM). Our results showed that miR-21i was effective in reducing the resistance of SACC-LM to SIM, resulting in SACC-LM acquisition of epithelial traits, cell migration and invasion reduction, growth inhibition and induction of apoptosis. The expression of proteins associated to metastasis and tumor progression were regulated by the combined use of SIM and miR-21i. Thus, our findings demonstrated that such combination was effective in inhibiting SACC-LM progression, suggesting that multi-target therapy against SACC might represent a potentially successful approach in clinical treatment.
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Affiliation(s)
- Chao Wang
- Department of Oral Medicine, School of Stomatology, Xuzhou Medical University, Xuzhou 221000, China; Department of Stomatology, Zhangjiagang First People's Hospital, Suzhou 215000, China.
| | - Ting Li
- Department of Oral Medicine, School of Stomatology, Xuzhou Medical University, Xuzhou 221000, China.
| | - Fei Yan
- Department of Oral Medicine, School of Stomatology, Xuzhou Medical University, Xuzhou 221000, China.
| | - Wenyan Cai
- Department of Stomatology, Children's Hospital Affiliated to Nanjing Medical University, Nanjing 210000, China.
| | - Jiwei Zheng
- Department of Oral Medicine, School of Stomatology, Xuzhou Medical University, Xuzhou 221000, China.
| | - Xingyu Jiang
- Department of Oral Medicine, School of Stomatology, Xuzhou Medical University, Xuzhou 221000, China.
| | - Jinhu Sun
- Department of Oral Medicine, School of Stomatology, Xuzhou Medical University, Xuzhou 221000, China.
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