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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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2
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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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3
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Zhang DW, Wu HY, Zhu CR, Wu DD. CircRNA hsa_circ_0070934 functions as a competitive endogenous RNA to regulate HOXB7 expression by sponging miR‑1236‑3p in cutaneous squamous cell carcinoma. Int J Oncol 2020; 57:478-487. [PMID: 32626939 PMCID: PMC7307596 DOI: 10.3892/ijo.2020.5066] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 04/16/2020] [Indexed: 02/06/2023] Open
Abstract
Circular ribonucleic acids (circRNAs) serve a vital role in the pathological processes of a number of diseases. Previous microarray results of circRNA expression revealed that hsa_circ_0070933 and hsa_circ_0070934, two circRNAs associated with the La ribonucleoprotein 1B gene, were highly expressed in cutaneous squamous cell carcinoma (CSCC). The present study aimed to explore the specific role of these circRNAs in CSCC. Through reverse transcription-quantitative PCR, hsa_circ_0070933 and hsa_circ_0070934 expression levels in CSCC cell lines and a human keratino-cyte cell line were detected. Additionally, direct interactions between miR-1236-3p and HOXB7 or circ-0070934 were identified using RNA binding protein immunoprecipitation assays and dual-luciferase reporter assays. Cell Counting Kit-8, 5-ethynyl-2′-deoxyuridine, Transwell invasion and flow cytometry assays were used to assess the roles of miR-1236-3p or circ-0070934 in cell invasion, proliferation and apoptosis. Subsequently, in vivo tumor formation assays were used to verify the role of circ-0070934 in CSCC. The results demonstrated that the expression of circ-0070934 was stably upregulated in a number of CSCC cell lines compared with that in normal human keratinocytes. Knockdown of circ-0070934 inhibited the invasive and proliferative potential of CSCC cells and promoted apoptosis both in vivo and in vitro. In addition, circ-0070934 modulated HOXB7 expression through competitive binding with miR-1236-3p. In conclusion, the results of the present study demonstrated the effects of the circ-0070934/miR-1236-3p/HOXB7 regulatory axis on CSCC and provided a novel insight for the pathogenesis of CSCC.
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Affiliation(s)
- Da-Wei Zhang
- Department of Burn and Plastic Surgery, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu 223300, P.R. China
| | - Hai-Yan Wu
- Department of Burn and Plastic Surgery, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu 223300, P.R. China
| | - Chuan-Rong Zhu
- Department of Surgery, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu 223300, P.R. China
| | - Dong-Dong Wu
- Department of Burn and Plastic Surgery, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu 223300, P.R. China
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Li Z, Veeraraghavan VP, Mohan SK, Bolla SR, Lakshmanan H, Kumaran S, Aruni W, Aladresi AAM, Shair OHM, Alharbi SA, Chinnathambi A. Apoptotic induction and anti-metastatic activity of eugenol encapsulated chitosan nanopolymer on rat glioma C6 cells via alleviating the MMP signaling pathway. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2020; 203:111773. [PMID: 31931385 DOI: 10.1016/j.jphotobiol.2019.111773] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 12/24/2019] [Accepted: 12/31/2019] [Indexed: 12/26/2022]
Abstract
Glioma is the prime cause of cancer allied mortality in adolescent people and it accounts about 80% of all malignant tumours. Eugenol is a major bioactive constituent present in the essential oils with numerous pharmacological benefits including nueroprotective activity. The major drawback of eugenol is its extreme volatile property and oxygen sensitivity therefore we increased the efficacy of drug; eugenol by encapsulating with chitosan polymer. Eugenol loaded chitosan polymer (EuCs) was characterized using FTIR, XRD, SEM, HR-TEM analysis and the encapsulation, drug release efficacy was assessed at in vitro condition. The induction of autophagy and anticancer efficacy of EuCs on glioma cells was evaluated with rat C6 glioma cells using MTT assay, acridine orange staining, immunocytochemical analysis of NFκβ protein expression and FLOW cytometric analysis. The anti-metastatic property of Eu-CS was assessed by immunoblotting and RT-PCR analysis of epithelial mesenchymal transition protein expression in EuCs treated rat C6 glioma cells. Our characterization analysis proves that EuCs possess essential physical and functional properties of copolymer to be utilized as a drug. Further the MTT analysis and AO staining confirms even in the presence of oncogenic inducer and autophagic inhibitors, EuCs exhibits apoptotic potency on rat C6 glioma cells. The result of immunocytochemical studies depicts the inhibition of NFκβ protein expression and flow cytometry studies confirm apoptosis induction by EuCs. The inhibition of metastasis by EuCs was proven by the decrease in epithelial mesenchymal transition protein expression in Eu-Cs treated rat C6 glioma cells. Over all our results authentically confirms eugenol loaded chitosan nanopolymer persuasively induces apoptosis and inhibits metastasis in rat C6 glioma cells.
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Affiliation(s)
- Zhenjiang Li
- Department of Neurosurgery, Huaihe Hospital of Henan University, Kaifeng City, Henan Province 475000, China
| | - Vishnu Priya Veeraraghavan
- Department of Biochemistry, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Chennai 600 077, India
| | - Surapaneni Krishna Mohan
- Department of Biochemistry, Panimalar Medical College Hospital & Research Institute, Varadharajapuram, Poonamallee, Chennai 600 123, India
| | - Srinivasa Rao Bolla
- Department of Biomedical Sciences, Nazarbayev University School of Medicine, Nazarbayev University, Nur-Sultan City 010000, Kazakhstan
| | - Hariprasath Lakshmanan
- Department of Biochemistry, Karpagam Academy of Higher Education, Coimbatore 641021, Tamilnadu, India
| | - Subramanian Kumaran
- Centre for Drug Discovery and Development, Col Dr.Jeppiaar Research Park, Sathyabama Institute of Science and Technology, Chennai 600119, Tamilnadu, India
| | - Wilson Aruni
- School of Bio and Chemical Engineering, Sathyabama Institute of Science and Technology, Chennai 600119, Tamilnadu, India
| | - Aref Ali Mohammed Aladresi
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Omar H M Shair
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Sulaiman Ali Alharbi
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Arunachalam Chinnathambi
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia.
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5
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Bakshi A, Shafi R, Nelson J, Cantrell WC, Subhadarshani S, Andea A, Athar M, Elmets CA. The clinical course of actinic keratosis correlates with underlying molecular mechanisms. Br J Dermatol 2019; 182:995-1002. [PMID: 31299087 DOI: 10.1111/bjd.18338] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/07/2019] [Indexed: 01/08/2023]
Abstract
BACKGROUND Actinic keratoses (AKs) are common premalignant skin lesions triggered by excessive ultraviolet exposure. The majority of AKs regress or persist, but some progress to squamous cell carcinomas. Biomarkers associated with their persistence, progression and regression have not been characterized. OBJECTIVES We performed skin biopsies in patients with extensive actinic damage to identify biomarkers that correlate with clinical progression and regression of AKs. METHODS This was an observational study of a cohort of patients with extensive actinic damage. AKs were mapped on a clear plastic template in 26 patients at months 3, 6, 9 and 11. Biopsies were taken from randomly selected, predetermined AKs and were evaluated for p53, E-cadherin, Snail, Slug and Twist. The study is registered at Clinicaltrials.gov: NCT00027976. RESULTS p53 exhibited greater expression in clinically apparent AKs (histological score 2·89 ± 1·45) than in regressed AKs (0·75 ± 0·96); P < 0·01. There was also significantly less membrane E-cadherin, the lack of which is a marker of epithelial-mesenchymal transition, in clinically apparent AKs (1·89 ± 1·81) than in sun-exposed skin (3·07 ± 1·75); P < 0·005. The E-cadherin transcription repressors Snail, Slug and Twist were increased in AKs compared with sun-exposed skin. A limitation of the study is that measurement of histological biomarkers was not a primary end point. In addition, patients were allowed to apply sunscreens. CONCLUSIONS At the molecular level, loss of E-cadherin and an increase in p53 are linked to the dynamic interplay between the persistence, progression and regression of AKs. What's already known about this topic? Actinic keratoses (AKs) are common dysplastic epidermal lesions that result from chronic and excessive ultraviolet exposure. Biomarkers associated with progression and regression of AK have not been characterized. What does this study add? Decreased E-cadherin and increased p53, Snail, Slug and Twist (E-cadherin transcription factors) were associated with progression from AK to nonmelanoma skin cancer. What is the translational message? Strategies targeting these molecules may be effective in reversing rising skin cancer rates. E-cadherin, p53, Snail, Slug and Twist are potential biomarkers that may be used to assess the efficacy of existing chemopreventive agents.
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Affiliation(s)
- A Bakshi
- Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL, U.S.A.,Rutgers New Jersey Medical School, New Brunswick, NJ, U.S.A
| | - R Shafi
- Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL, U.S.A
| | - J Nelson
- Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL, U.S.A
| | - W C Cantrell
- Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL, U.S.A
| | - S Subhadarshani
- Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL, U.S.A
| | - A Andea
- Department of Pathology, University of Michigan, Ann Arbor, MI, U.S.A
| | - M Athar
- Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL, U.S.A.,O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, U.S.A
| | - C A Elmets
- Department of Dermatology, University of Alabama at Birmingham, Birmingham, AL, U.S.A.,O'Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, U.S.A.,Birmingham VA Medical Center, Birmingham, AL, U.S.A
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6
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Wang H, Yan X, Zhang H, Zhan X. CircRNA circ_0067934 Overexpression Correlates with Poor Prognosis and Promotes Thyroid Carcinoma Progression. Med Sci Monit 2019; 25:1342-1349. [PMID: 30779728 PMCID: PMC6390454 DOI: 10.12659/msm.913463] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Circular RNAs are important regulators in human cancers, including thyroid carcinoma. The circ_0067934 RNA is reported to participate in hepatocellular carcinoma, esophageal squamous cell carcinoma, and lung cancer. Whether it regulates thyroid carcinoma remains unclear. The purpose of this study was to research potential mechanisms of circ_0067934 in thyroid tumors to provide potential new diagnostic and treatment targets. MATERIAL AND METHODS The expression level of circ_0067934 in thyroid tumors, adjacent tissues, and cell lines was measured by qRT-PCR. The Kaplan-Meier survival curve analysis was used to explore the relationship between circ_0067934 level and survival time of patients. Circ_0067934 was knocked down to research its functional role in thyroid tumors. Cell proliferation was detected by CCK-8 (cell counting kit-8) assay. Migration and invasion were analyzed by Transwell assay. Western blot was applied to analyze the expression of epithelial-mesenchymal-transition (EMT) and PI3K/AKT related proteins. RESULTS Compared with adjacent tissue, circ_0067934 was highly expressed in thyroid tumors. Circ_0067934 expression level was highly expressed in thyroid tumor cell lines. Patients with high expression of circ_0067934 showed lower survival rates. Knockdown of circ_0067934 inhibited cell proliferation, migration, and invasion and also promoted apoptosis. In addition, circ_0067934 knockdown inhibited EMT and PI3K/AKT signaling pathways. CONCLUSIONS circ_0067934 could improve the development of thyroid carcinoma by promoting EMT and PI3K/AKT signaling pathways.
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Affiliation(s)
- Huihui Wang
- Department of Endocrinology, Qiqihar First Hospital, Qiqihar, Heilongjiang, China (mainland)
| | - Xiaoguang Yan
- Department of Endocrinology, Qiqihar First Hospital, Qiqihar, Heilongjiang, China (mainland)
| | - Haijun Zhang
- Department of Endocrinology, Qiqihar First Hospital, Qiqihar, Heilongjiang, China (mainland)
| | - Xiaorong Zhan
- Department of Endocrinology, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China (mainland)
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7
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Ashford BG, Clark J, Gupta R, Iyer NG, Yu B, Ranson M. Reviewing the genetic alterations in high-risk cutaneous squamous cell carcinoma: A search for prognostic markers and therapeutic targets. Head Neck 2017; 39:1462-1469. [PMID: 28370784 DOI: 10.1002/hed.24765] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2016] [Revised: 01/25/2017] [Accepted: 02/08/2017] [Indexed: 02/05/2023] Open
Abstract
Cutaneous squamous cell carcinoma (SCC) is second only in incidence to basal cell carcinoma (BCC), effecting up to 500 000 people in the United States annually. Metastasis to regional lymph nodes occurs in approximately 5% of cases and imparts significant morbidity. Standard treatment in this group involves a combination of surgery and adjuvant radiation. Currently, there are no clinically useful biomarkers of metastatic potential in primary cutaneous SCC and histological predictors can be unreliable. The high level of mutational burden in normal UV-exposed skin has hampered the search for novel drivers of invasive disease, and indeed metastatic potential. This review outlines the clinical problems in high-risk and metastatic cutaneous SCCs, reviews the known genetic events and molecular mechanisms in high-risk primary cutaneous SCC and metastasis, and identifies avenues for further investigation and potential therapy.
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Affiliation(s)
- Bruce G Ashford
- School of Biological Sciences, University of Wollongong, Northfields Avenue, Wollongong, New South Wales, Australia.,Illawarra Health and Medical Research Institute (IHMRI), Northfields Avenue, Wollongong, New South Wales, 2522, Australia.,Illawarra and Shoalhaven Local Health District (ISLHD), Loftus Street, Wollongong, New South Wales, 2500, Australia.,Centre for Oncology Education and Research Translation (CONCERT), Liverpool, New South Wales, 2170, Australia
| | - Jonathan Clark
- Sydney Head and Neck Cancer Institute, Department of Head and Neck Surgery Chris O'Brien Lifehouse, 119-143 Missenden Road, Camperdown, New South Wales, 2050, Australia.,Central Clinical School, the University of Sydney, New South Wales, 2006, Australia.,South Western Clinical School, University of New South Wales, Goulburn Street, Liverpool, New South Wales, 2170, Australia
| | - Ruta Gupta
- Department of Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital, Missenden Road, Camperdown, New South Wales, 2050, Australia.,University of Sydney, New South Wales, 2006, Australia
| | - N Gopalakrishna Iyer
- Singhealth/Duke-NUS Head and Neck Center, National Cancer Center, Singapore (NCCS), 11 Hospital Drive, Singapore, 169610
| | - Bing Yu
- Department of Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital, Missenden Road, Camperdown, New South Wales, 2050, Australia.,University of Sydney, New South Wales, 2006, Australia
| | - Marie Ranson
- Illawarra Health and Medical Research Institute (IHMRI), Northfields Avenue, Wollongong, New South Wales, 2522, Australia.,Centre for Oncology Education and Research Translation (CONCERT), Liverpool, New South Wales, 2170, Australia.,School of Biological Sciences, University of Wollongong, Northfields Avenue, Wollongong, New South Wales, 2522, Australia
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8
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von Maltzan K, Li Y, Rundhaug JE, Hudson LG, Fischer SM, Kusewitt DF. Role of the Slug Transcription Factor in Chemically-Induced Skin Cancer. J Clin Med 2016; 5:jcm5020021. [PMID: 26848699 PMCID: PMC4773777 DOI: 10.3390/jcm5020021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 01/15/2016] [Accepted: 01/25/2016] [Indexed: 12/17/2022] Open
Abstract
The Slug transcription factor plays an important role in ultraviolet radiation (UVR)-induced skin carcinogenesis, particularly in the epithelial-mesenchymal transition (EMT) occurring during tumor progression. In the present studies, we investigated the role of Slug in two-stage chemical skin carcinogenesis. Slug and the related transcription factor Snail were expressed at high levels in skin tumors induced by 7,12-dimethylbenz[α]anthracene application followed by 12-O-tetradecanoylphorbol-13-acetate (TPA) treatment. TPA-induced transient elevation of Slug and Snail proteins in normal mouse epidermis and studies in Slug transgenic mice indicated that Slug modulates TPA-induced epidermal hyperplasia and cutaneous inflammation. Although Snail family factors have been linked to inflammation via interactions with the cyclooxygenase-2 (COX-2) pathway, a pathway that also plays an important role in skin carcinogenesis, transient TPA induction of Slug and Snail appeared unrelated to COX-2 expression. In cultured human keratinocytes, TPA induced Snail mRNA expression while suppressing Slug expression, and this differential regulation was due specifically to activation of the TPA receptor. These studies show that Slug and Snail exhibit similar patterns of expression during both UVR and chemical skin carcinogenesis, that Slug and Snail can be differentially regulated under some conditions and that in vitro findings may not recapitulate in vivo results.
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Affiliation(s)
- Kristine von Maltzan
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas M.D. Anderson Cancer Center, P.O. Box 389, Smithville, TX 78957, USA.
| | - Yafan Li
- Program in Toxicology and Pharmacology, College of Pharmacy, University of New Mexico Health Sciences Center, MSC 09 5360, 1 University of New Mexico, Albuquerque, NM 87131, USA.
| | - Joyce E Rundhaug
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas M.D. Anderson Cancer Center, P.O. Box 389, Smithville, TX 78957, USA.
| | - Laurie G Hudson
- Program in Toxicology and Pharmacology, College of Pharmacy, University of New Mexico Health Sciences Center, MSC 09 5360, 1 University of New Mexico, Albuquerque, NM 87131, USA.
| | - Susan M Fischer
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas M.D. Anderson Cancer Center, P.O. Box 389, Smithville, TX 78957, USA.
| | - Donna F Kusewitt
- Department of Epigenetics and Molecular Carcinogenesis, University of Texas M.D. Anderson Cancer Center, P.O. Box 389, Smithville, TX 78957, USA.
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9
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The Relationship Between E-Cadherin and its Transcriptional Repressors in Spontaneously Arising Canine Invasive Micropapillary Mammary Carcinoma. J Comp Pathol 2015; 153:256-65. [PMID: 26385325 DOI: 10.1016/j.jcpa.2015.08.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Revised: 08/05/2015] [Accepted: 08/17/2015] [Indexed: 01/08/2023]
Abstract
E-cadherin downregulation is related to metastatic behaviour and a poor prognosis in cancer. It might be induced by transcriptional repression mediated by the transcription factors SNAIL, ZEB1, ZEB2 and TWIST. Here, we investigated E-cadherin expression and its relationship to those transcriptional repressors (i.e. SNAIL, ZEB1, ZEB2 and TWIST) in the progression from carcinoma 'in situ' to invasion to lymph node metastasis in spontaneously arising canine invasive micropapillary carcinoma (IMPC). E-cadherin expression decreased from carcinoma in situ to invasive progression and was likely to increase with lymph node metastasis. Expression of SNAIL decreased from carcinoma in situ to invasive areas and from invasive areas to lymph nodes. Metastatic lymph nodes had higher expression of ZEB1 than carcinoma in situ and invasive areas. ZEB2 expression was observed in 52%, 38% and 33% of carcinoma in situ areas, invasive areas and lymph node metastases, respectively. TWIST expression was observed in 52%, 38% and 33% of carcinoma in situ areas, invasive areas and lymph node metastases, respectively. In invasive areas, E-cadherin downregulation correlated significantly with SNAIL and TWIST upregulation. Additionally, in infiltrating components of IMPCs, E-cadherin(-)SNAIL(+) neoplastic epithelial cells were observed by immunofluorescence. Taken together, canine mammary IMPCs had a loss of E-cadherin from carcinoma in situ to invasive areas, which appears to be induced by the transcription factor SNAIL. In lymph node metastasis, ZEB1 appears to not exert E-cadherin transcriptional repression activity.
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10
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Perez CJ, Rundhaug JE, Johnson DG, Oberyszyn TM, Tober KL, Kusewitt DF. Slug expression in mouse skin and skin tumors is not regulated by p53. J Invest Dermatol 2013; 134:566-568. [PMID: 24008423 PMCID: PMC3947144 DOI: 10.1038/jid.2013.363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Carlos J Perez
- Department of Molecular Carcinogenesis, Science Park, University of Texas M.D. Anderson Cancer Center, Smithville, Texas, USA
| | - Joyce E Rundhaug
- Department of Molecular Carcinogenesis, Science Park, University of Texas M.D. Anderson Cancer Center, Smithville, Texas, USA
| | - David G Johnson
- Department of Molecular Carcinogenesis, Science Park, University of Texas M.D. Anderson Cancer Center, Smithville, Texas, USA
| | - Tatiana M Oberyszyn
- Department of Pathology, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio, USA
| | - Kathleen L Tober
- Department of Pathology, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio, USA
| | - Donna F Kusewitt
- Department of Molecular Carcinogenesis, Science Park, University of Texas M.D. Anderson Cancer Center, Smithville, Texas, USA.
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11
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Transforming growth factor-Beta and urokinase-type plasminogen activator: dangerous partners in tumorigenesis-implications in skin cancer. ISRN DERMATOLOGY 2013; 2013:597927. [PMID: 23984088 PMCID: PMC3732602 DOI: 10.1155/2013/597927] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2013] [Accepted: 06/18/2013] [Indexed: 01/01/2023]
Abstract
Transforming growth factor-beta (TGF-β) is a pleiotropic factor, with several different roles in health and disease. TGF-β has been postulated as a dual factor in tumor progression, since it represses epithelial tumor development in early stages, whereas it stimulates tumor progression in advanced stages. During tumorigenesis, cancer cells acquire the capacity to migrate and invade surrounding tissues and to metastasize different organs. The urokinase-type plasminogen activator (uPA) system, comprising uPA, the uPA cell surface receptor, and plasminogen-plasmin, is involved in the proteolytic degradation of the extracellular matrix and regulates key cellular events by activating intracellular signal pathways, which together allow cancer cells to survive, thus, enhancing cell malignance during tumor progression. Due to their importance, uPA and its receptor are tightly transcriptionally regulated in normal development, but are deregulated in cancer, when their activity and expression are related to further development of cancer. TGF-β regulates uPA expression in cancer cells, while uPA, by plasminogen activation, may activate the secreted latent TGF-β, thus, producing a pernicious cycle which contributes to the enhancement of tumor progression. Here we review the specific roles and the interplay between TGF-β and uPA system in cancer cells and their implication in skin cancer.
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