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Dias AM, de Mendonça RP, da Silva Kataoka MS, Jaeger RG, de Jesus Viana Pinheiro J, de Melo Alves Junior S. Downregulation of metallothionein 2A reduces migration, invasion and proliferation activities in human squamous cell carcinoma cells. Mol Biol Rep 2022; 49:3665-3674. [PMID: 35107738 DOI: 10.1007/s11033-022-07206-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 01/26/2022] [Indexed: 10/19/2022]
Abstract
BACKGROUND The invasive behaviour of squamous cell carcinoma (SCC), a common malignant tumour of the mouth, is a process mediated by cell proliferation, extracellular matrix proteolysis and other factors. Studies have shown a potential relationship between growth factors, metallothionein 2A (MT2A) and matrix metalloproteinase (MMP) activation in malignant tumours. The aim of this study was to downregulate MT2A in cells (Cal27) derived from human squamous cell carcinoma. METHODS Cal27 cells with reduced MT2A were subjected to proliferation, migration and invasion assays. Immunofluorescence and western blot confirmed MT2A depletion by siRNA. Growth curve assays assessed cell proliferation. Indirect immunofluorescence analysed the expression of MT2A, MMP-2, MMP-9, epidermal growth factor (EGF), transforming growth factor alpha (TGF-α), tumour necrosis factor alpha (TNF-α) and Ki67. Zymography evaluated the effects of MT2A silencing on MMP-2 and -9 expression. Migration and invasion activities were evaluated using migration and invasion assays. RESULTS CAL27 cells displayed MT2A, MMP-2, MMP-9, EGF, TGF-α, TNF-α and Ki67. MT2A depletion decreased MMP-9, EGF, TGF-α and Ki67 protein levels, while increasing TNF-α. CONCLUSIONS MT2A downregulation reduced cell proliferation, migration and invasion activities. Therefore, MT2A has an important role in cell proliferation, migration and invasion in human oral SCC cells.
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Affiliation(s)
- Aline Marques Dias
- Department of Oral Pathology, School of Dentistry, Universidade Federal do Para, Avenida Augusto Corrêa, 01, Belém, PA, 66075-110, Brazil
| | - Raíssa Pinheiro de Mendonça
- Department of Oral Pathology, School of Dentistry, Universidade Federal do Para, Avenida Augusto Corrêa, 01, Belém, PA, 66075-110, Brazil
| | - Maria Sueli da Silva Kataoka
- Department of Oral Pathology, School of Dentistry, Universidade Federal do Para, Avenida Augusto Corrêa, 01, Belém, PA, 66075-110, Brazil
| | - Ruy G Jaeger
- Department of Cell and Developmental Biology, Institute of Biomedical Sciences, University of Sao Paulo, Av. Prof. Lineu Prestes 1524, Sao Paulo, 05508-000, Brazil
| | - João de Jesus Viana Pinheiro
- Department of Oral Pathology, School of Dentistry, Universidade Federal do Para, Avenida Augusto Corrêa, 01, Belém, PA, 66075-110, Brazil.
| | - Sérgio de Melo Alves Junior
- Department of Oral Pathology, School of Dentistry, Universidade Federal do Para, Avenida Augusto Corrêa, 01, Belém, PA, 66075-110, Brazil
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2
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Hellquist H, Agaimy A, Stenman G, Franchi A, Nadal A, Skalova A, Leivo I, Zidar N, Simpson RHW, Slootweg PJ, Hernandez-Prera JC, Ferlito A. Development of head and neck pathology in Europe. Virchows Arch 2022; 480:951-965. [PMID: 35028711 DOI: 10.1007/s00428-022-03275-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 12/22/2021] [Accepted: 01/07/2022] [Indexed: 01/12/2023]
Abstract
This review gives a brief history of the development of head and neck pathology in Europe from a humble beginning in the 1930s to the explosive activities the last 15 years. During the decades before the introduction of immunohistochemistry in the 1980s, head and neck pathology grew as a subspeciality in many European countries. In the late 1940s, the Institute of Laryngology and Otology with its own pathology laboratory was founded in London, and in 1964 the World Health Organization (WHO) International Reference Centre for the Histological Classification of Salivary Tumours was established at the Bland-Sutton Institute of Pathology, also in London. International collaboration, and very much so in Europe, led to the publication of the first WHO Classification of Salivary Gland Tumours in 1972. In the 1960s, a salivary gland register was organised in Hamburg and in Cologne the microlaryngoscopy was invented enabling microscopic endoscopic examination and rather shortly afterwards a carbon dioxide laser attached to the microscope became established and laryngeal lesions could be treated by laser vaporisation. During the last three decades, the use of immunohistochemistry supplemented with cytogenetic and refined molecular techniques has greatly facilitated the pathological diagnostics of head and neck lesions and has had a huge impact on research. Collaboration between different European centres has drastically increased partly due to establishment of scientific societies such as the Head and Neck Working Group (HNWG) within the European Society of Pathology and the International Head and Neck Scientific Group (IHNSG). A very large number of European pathologists have contributed to the 2nd, 3rd and 4th WHO books, and are involved in the upcoming 5th edition. Accredited educational meetings and courses are nowadays regularly arranged in Europe. Numerous textbooks on head and neck pathology have been written and edited by European pathologists. The increased collaboration has created larger series of tumours for research and new entities, mainly defined by their genetic abnormalities, are continuously emerging from Europe, particularly regarding salivary gland neoplasms and "undifferentiated" sinonasal tumours. These findings have led to a better and more precise classification and open the possibilities for new treatment strategies.
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Affiliation(s)
- Henrik Hellquist
- Department of Biomedical Sciences and Medicine, Epigenetics and Human Disease Group, Algarve Biomedical Centre (ABC), Algarve University, Campus de Gambelas, Ala Norte, 8005-139, Faro, Portugal.
| | - Abbas Agaimy
- Institute of Pathology, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nürnberg (FAU), Erlangen, Germany.,Comprehensive Cancer Center (CCC) Erlangen-EMN, Erlangen, Germany
| | - Göran Stenman
- Department of Pathology, Sahlgrenska Center for Cancer Research, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Alessandro Franchi
- Section of Pathology, Department of Translational Research and of New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Alfons Nadal
- Department of Pathology, Hospital Clínic, Barcelona, Spain.,Department of Basic Clinical Practice, School of Medicine, Universitat de Barcelona, Barcelona, Spain.,August Pi I Sunyer Biomedical Research Institute (IDIBAPS), Barcelona, Spain
| | - Alena Skalova
- Department of Pathology, Faculty of Medicine in Plzen, Charles University, Plzen, Czech Republic.,Department of Pathology and Molecular Genetics, Bioptical Laboratory Ltd, Plzen, Czech Republic
| | - Ilmo Leivo
- Institute of Biomedicine, Pathology, University of Turku, Turku, Finland.,Turku University Central Hospital, 20521, Turku, Finland
| | - Nina Zidar
- Institute of Pathology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | | | - Pieter J Slootweg
- Department of Pathology, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
| | | | - Alfio Ferlito
- Coordinator of the International Head and Neck Scientific Group, Padua, Italy
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Zulijani A, Dekanić A, Ćabov T, Jakovac H. Metallothioneins and Megalin Expression Profiling in Premalignant and Malignant Oral Squamous Epithelial Lesions. Cancers (Basel) 2021; 13:4530. [PMID: 34572758 PMCID: PMC8464971 DOI: 10.3390/cancers13184530] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 09/03/2021] [Accepted: 09/07/2021] [Indexed: 12/28/2022] Open
Abstract
This study aimed to assess the relationship and possible interactions between metallothioneins (MTs) and megalin (LRP-2) in different grades of oral squamous cell carcinoma (OSCC) and premalignant lesions of the oral mucosa (oral leukoplakia and oral lichen planus). The study included archived samples of 114 patients and control subjects. Protein expression was examined by immunohistochemistry and immunofluorescence, and staining quantification was performed by ImageJ software. Protein interaction in cancer tissue was tested and visualized by proximity ligation assay. Mann-Whitney and Kruskal-Wallis tests were used to determine the significance of differences between each group, whereas Pearson correlation coefficient was performed to test correlation. Expression of both proteins differed significantly between each group showing the same pattern of gradual increasing from oral lichen planus to poorly differentiated OSCC. Moreover, MTs and megalin were found to co-express and interact in cancer tissue, and their expression positively correlated within the overall study group. Findings of prominent nuclear and chromosomal megalin expression suggest that it undergoes regulated intramembrane proteolysis upon MTs binding, indicating its ability to directly affect gene expression and cellular division in cancer tissue. The data obtained point to the onco-driving potential of MTs-megalin interaction.
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Affiliation(s)
- Ana Zulijani
- Department of Oral Surgery, Clinical Hospital Center Rijeka, Krešimirova ul. 40, 51000 Rijeka, Croatia;
| | - Andrea Dekanić
- Department of Pathology, Clinical Hospital Center Rijeka, Krešimirova ul. 42, 51000 Rijeka, Croatia;
| | - Tomislav Ćabov
- Faculty of Dental Medicine, University of Rijeka, Krešimirova ul. 40, 51000 Rijeka, Croatia
| | - Hrvoje Jakovac
- Department of Physiology and Immunology, Faculty of Medicine, University of Rijeka, Ul. Braće Branchetta 20, 51000 Rijeka, Croatia
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Sinduja P, Ramani P, Gheena S, Ramasubramanian A. Expression of metallothionein in oral squamous cell carcinoma: A systematic review. J Oral Maxillofac Pathol 2020; 24:143-147. [PMID: 32508463 PMCID: PMC7269304 DOI: 10.4103/jomfp.jomfp_137_19] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 09/06/2019] [Accepted: 09/24/2019] [Indexed: 12/12/2022] Open
Abstract
Free radicals are chemical particles containing one or more unpaired electrons, which may be part of the molecule making them highly reactive species. The free radicals are also known to play a dual role in biological systems, as they can be either beneficial or harmful. It has been proven that there are numerous mechanisms participating in the protection of a cell against free radicals. In this systematic review, we have reviewed metallothioneins (MTs) which are a small, cysteinerich and heavy metalbinding protein, that participates in an array of protective stress responses. The aim of this study was to systematically evaluate the role of MT in oral squamous cell carcinoma (OSCC). In this systematic review, we have found that in 9 studies involving 1340 cases and 542 controls concluded that MT was found to be present in the cytoplasm as well as the nucleus of the tumor tissue in 66.6% of the articles using immunohistochemistry and 11.1% of the articles reported the mosaic pattern of expression of MT in OSCC.
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Affiliation(s)
- Palati Sinduja
- Department of Oral and Maxillofacial Pathology, Saveetha Dental College, Chennai, Tamil Nadu, India
| | - Pratibha Ramani
- Department of Oral and Maxillofacial Pathology, Saveetha Dental College, Chennai, Tamil Nadu, India
| | - S Gheena
- Department of Oral and Maxillofacial Pathology, Saveetha Dental College, Chennai, Tamil Nadu, India
| | - Abilasha Ramasubramanian
- Department of Oral and Maxillofacial Pathology, Saveetha Dental College, Chennai, Tamil Nadu, India
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5
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Yan HX, Du J, Fu J, Huang W, Jia LM, Ping P, Zhao L, Song YQ, Jia XM, Dou JT, Mu YM, Wang FL, Tian W, Lyu ZH. Microarray-based differential expression profiling of long noncoding RNAs and messenger RNAs in formalin-fixed paraffin-embedded human papillary thyroid carcinoma samples. Transl Cancer Res 2019; 8:439-451. [PMID: 35116776 PMCID: PMC8797411 DOI: 10.21037/tcr.2019.02.12] [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: 07/09/2018] [Accepted: 01/17/2019] [Indexed: 11/06/2022]
Abstract
BACKGROUND Long noncoding RNAs (lncRNAs) can regulate the expression of genes at almost every level. The altered expression of lncRNAs was observed in many kinds of cancers. Until recently, few studies have focused on the function of lncRNAs in the context of papillary thyroid carcinoma (PTC). METHODS In the current study, we collected seven PTC and nodular goiter tissue samples and explored mRNA and lncRNA expression patterns in these samples by microarray. RESULTS We observed aberrant expression of 94 lncRNAs and 99 mRNAs in the seven PTC samples as compared to the nodular goiter tissue [fold change (FC) ≥2.0; P<0.01]. To confirm these microarray results, quantitative polymerase chain reaction (q-PCR) was performed to assess the expression of three randomly selected differentially expressed mRNAs and lncRNAs, confirming our microarray findings significantly. We then performed gene ontology (GO) and kyoto encyclopedia of genes and genomes (KEGG) analyses to systematically characterize the twelve significantly differential genes. A co-expression analysis revealed that the lncRNAs n382996, n342483, and n409114 were closely related to the regulation of MT1G, MT1H, and MT1F. CONCLUSIONS In the present study a string of novel lncRNAs associated with PTC were identified. Further study of these lncRNAs should be performed to identify novel target molecules which may improve diagnosis and treatment of PTC.
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Affiliation(s)
- Hui-Xian Yan
- Department and Key Laboratory of Endocrinology and Metabolism, PLA General Hospital, Beijing 100853, China.,Department of Endocrinology, Beijing Haidian Hospital, Beijing Haidian Section of Peking University Third Hospital, Beijing 100080, China
| | - Jin Du
- Department and Key Laboratory of Endocrinology and Metabolism, PLA General Hospital, Beijing 100853, China
| | - Jing Fu
- Department of Pathology, Beijing Haidian Hospital, Beijing Haidian Section of Peking University Third Hospital, Beijing 100080, China
| | - Wei Huang
- Department of Endocrinology, Beijing Haidian Hospital, Beijing Haidian Section of Peking University Third Hospital, Beijing 100080, China
| | - Li-Meng Jia
- Department of General Surgery, Beijing Haidian Hospital, Beijing Haidian Section of Peking University Third Hospital, Beijing 100080, China
| | - Pang Ping
- Department and Key Laboratory of Endocrinology and Metabolism, PLA General Hospital, Beijing 100853, China.,Department of Endocrinology, Hainan Branch of PLA General Hospital, Sanya 572013, China
| | - Ling Zhao
- Department and Key Laboratory of Endocrinology and Metabolism, PLA General Hospital, Beijing 100853, China
| | - Ye-Qiong Song
- Department and Key Laboratory of Endocrinology and Metabolism, PLA General Hospital, Beijing 100853, China
| | - Xiao-Meng Jia
- Department and Key Laboratory of Endocrinology and Metabolism, PLA General Hospital, Beijing 100853, China
| | - Jing-Tao Dou
- Department and Key Laboratory of Endocrinology and Metabolism, PLA General Hospital, Beijing 100853, China
| | - Yi-Ming Mu
- Department and Key Laboratory of Endocrinology and Metabolism, PLA General Hospital, Beijing 100853, China
| | - Fu-Lin Wang
- Department of Pathology, PLA General Hospital, Beijing 100853, China
| | - Wen Tian
- Department of General Surgery, PLA General Hospital, Beijing 100853, China
| | - Zhao-Hui Lyu
- Department and Key Laboratory of Endocrinology and Metabolism, PLA General Hospital, Beijing 100853, China
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Bezerra GMDR, Pontes FSC, Conte Neto N, Nascimento LSD, Souza LLD, Pinto Junior DDS, Pontes HAR. Nuclear metallothionein in oral squamous cell carcinoma: clinicopathological parameters and patient survival. Braz Oral Res 2018; 32:e105. [PMID: 30328895 DOI: 10.1590/1807-3107bor-2018.vol32.0105] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Accepted: 04/04/2018] [Indexed: 11/22/2022] Open
Abstract
The aim of this study was to identify the immunoexpression of methallothionein in oral squamous cell carcinoma as well as to address the correlation with clinical features, histological grade and patient survival. Samples were collected from 93 patients with tongue squamous cell carcinoma who presented for follow-up. Immunohistochemical expression of methallothionein in all groups was performed. The scoring system has previously been published by Tsurutani in 2005, which is based on intensity and distribution of staining. We used Kappa index to evaluate the degree of observers' agreement under metallothionein immunostaining and histological grade. Associations between methallothionein expression and clinical parameters (age, gender, smoking, tumor size, lymph node metastasis and disease stage) were examined for statistical significance using the chi-squared test. The overall survival rates were estimated by the Kaplan-Meier method and the relationship between protein expression and survival was compared using the log-rank test (p < 0.05). Our results showed no statistically significant association between methallothionein immunostaining and the selected clinicopathological variables. Immunohistochemistry results showed positive nuclear immunostaining for metallothionein in 62,37% (58/93) and negative for metallothionein 37,63% (35/93). The degree of examiners agreement by Kappa varied from substantial to perfect and both metallothionein immunostaining and histological grade were explored. The present study suggests that positive methallothionein expression found in tongue squamous cell carcinoma may not help to predict survival in the analyzed samples, as well as no relation between the protein and histological grade and clinical features was observed. In conclusion, the present study suggests that metallothionein is not associated with tongue squamous cell carcinoma clinicopathological characteristics and aggressiveness.
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7
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Abstract
Metallothioneins (MTs) are small cysteine-rich proteins that play important roles in metal homeostasis and protection against heavy metal toxicity, DNA damage, and oxidative stress. In humans, MTs have four main isoforms (MT1, MT2, MT3, and MT4) that are encoded by genes located on chromosome 16q13. MT1 comprises eight known functional (sub)isoforms (MT1A, MT1B, MT1E, MT1F, MT1G, MT1H, MT1M, and MT1X). Emerging evidence shows that MTs play a pivotal role in tumor formation, progression, and drug resistance. However, the expression of MTs is not universal in all human tumors and may depend on the type and differentiation status of tumors, as well as other environmental stimuli or gene mutations. More importantly, the differential expression of particular MT isoforms can be utilized for tumor diagnosis and therapy. This review summarizes the recent knowledge on the functions and mechanisms of MTs in carcinogenesis and describes the differential expression and regulation of MT isoforms in various malignant tumors. The roles of MTs in tumor growth, differentiation, angiogenesis, metastasis, microenvironment remodeling, immune escape, and drug resistance are also discussed. Finally, this review highlights the potential of MTs as biomarkers for cancer diagnosis and prognosis and introduces some current applications of targeting MT isoforms in cancer therapy. The knowledge on the MTs may provide new insights for treating cancer and bring hope for the elimination of cancer.
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Affiliation(s)
- Manfei Si
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730 China
| | - Jinghe Lang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No. 1 Shuaifuyuan, Dongcheng District, Beijing, 100730 China
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8
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Hussein AA, Forouzanfar T, Bloemena E, de Visscher J, Brakenhoff RH, Leemans CR, Helder MN. A review of the most promising biomarkers for early diagnosis and prognosis prediction of tongue squamous cell carcinoma. Br J Cancer 2018; 119:724-736. [PMID: 30131545 PMCID: PMC6173763 DOI: 10.1038/s41416-018-0233-4] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 07/11/2018] [Accepted: 07/25/2018] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND There is a great interest in developing biomarkers to enhance early detection and clinical management of tongue squamous cell carcinoma (TSCC). However, the developmental path towards a clinically valid biomarker remains extremely challenging. Ideally, the initial key step in moving a newly discovered biomarker towards clinical implementation is independent replication. Therefore, the focus of this review is on biomarkers that consistently showed clinical relevance in two or more publications. METHODS We searched PubMed database for relevant papers across different TSCC sample sources, i.e., body fluids (saliva, serum/plasma) and tissues. No restriction regarding the date of publication was applied except for immunohistochemistry (IHC); only studies published between 2010 and June 2017 were included. RESULTS The search strategy identified 1429 abstracts, of which 96 papers, examining 150 biomarkers, were eventually included. Of these papers, 66% were exploratory studies evaluating single or a panel of biomarkers in one publication. Ultimately, based on studies that had undergone validation for their clinical relevance in at least two independent studies, we identified 10 promising candidates, consisting of different types of molecules (IL-6, IL-8, and Prolactin in liquid samples; HIF-1α, SOX2, E-cadherin, vimentin, MALAT1, TP53, and NOTCH1 in tissue biopsies) CONCLUSIONS: Although more exploratory research is needed with newer methods to identify biomarkers for TSCC, rigorous validation of biomarkers that have already shown unbiased assessment in at least two publications should be considered a high priority. Further research on these promising biomarkers or their combination in multi-institutional studies, could provide new possibilities to develop a specific panel for early diagnosis, prognosis, and individualized treatments.
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Affiliation(s)
- Aisha A Hussein
- Department of Oral and Maxillofacial Surgery and Oral Pathology, Academic Centre for Dentistry, VU University Medical Center, Amsterdam, The Netherlands
| | - Tymour Forouzanfar
- Department of Oral and Maxillofacial Surgery and Oral Pathology, Academic Centre for Dentistry, VU University Medical Center, Amsterdam, The Netherlands
| | - Elisabeth Bloemena
- Department of Oral and Maxillofacial Surgery and Oral Pathology, Academic Centre for Dentistry, VU University Medical Center, Amsterdam, The Netherlands
| | - Jgam de Visscher
- Department of Oral and Maxillofacial Surgery and Oral Pathology, Academic Centre for Dentistry, VU University Medical Center, Amsterdam, The Netherlands
| | - Ruud H Brakenhoff
- Department of Otolaryngology-Head and Neck Surgery, VU University Medical Center, Amsterdam, The Netherlands
| | - C René Leemans
- Department of Otolaryngology-Head and Neck Surgery, VU University Medical Center, Amsterdam, The Netherlands
| | - Marco N Helder
- Department of Oral and Maxillofacial Surgery and Oral Pathology, Academic Centre for Dentistry, VU University Medical Center, Amsterdam, The Netherlands.
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Giaginis C, Tsoukalas N, Alexandrou P, Tsourouflis G, Dana E, Delladetsima I, Patsouris E, Theocharis S. Clinical significance of farnesoid X receptor expression in thyroid neoplasia. Future Oncol 2017; 13:1785-1792. [DOI: 10.2217/fon-2017-0090] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Aim: To evaluate the clinical significance of farnesoid X receptor (FXR) in thyroid neoplasia. Patients & methods: FXR expression was assessed immunohistochemically on 88 thyroid neoplastic tissues (benign = 44, malignant = 44). Results: Enhanced FXR was more frequently observed in papillary carcinomas compared with hyperplastic nodules (p = 0.0489). In malignant lesions, elevated FXR was associated with capsular (p = 0.0004) and vascular invasion (p = 0.0056) and increased follicular cells’ proliferative rate (p < 0.0001). Elevated FXR expression was also associated with larger tumor size (p = 0.0086), presence of lymph node metastases (p = 0.0239) and lymphatic invasion (p = 0.0086) and increased recurrence rate risk (p = 0.0239). Conclusion: FXR may be associated with tumor aggressiveness that affects patients’ survival in thyroid neoplasia.
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Affiliation(s)
- Constantinos Giaginis
- First Department of Pathology, Medical School, National & Kapodistrian University of Athens, Athens 11527, Greece
- Department of Food Science & Nutrition, University of the Aegean, Myrina, Lemnos 81400, Greece
| | | | - Paraskevi Alexandrou
- First Department of Pathology, Medical School, National & Kapodistrian University of Athens, Athens 11527, Greece
| | - Gerasimos Tsourouflis
- First Department of Pathology, Medical School, National & Kapodistrian University of Athens, Athens 11527, Greece
| | - Eugene Dana
- First Department of Pathology, Medical School, National & Kapodistrian University of Athens, Athens 11527, Greece
| | - Ioanna Delladetsima
- First Department of Pathology, Medical School, National & Kapodistrian University of Athens, Athens 11527, Greece
| | - Efstratios Patsouris
- First Department of Pathology, Medical School, National & Kapodistrian University of Athens, Athens 11527, Greece
| | - Stamatios Theocharis
- First Department of Pathology, Medical School, National & Kapodistrian University of Athens, Athens 11527, Greece
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10
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Theocharis S, Giaginis C, Dana E, Thymara I, Rodriguez J, Patsouris E, Klijanienko J. Phosphorylated Epidermal Growth Factor Receptor Expression Is Associated With Clinicopathologic Parameters and Patient Survival in Mobile Tongue Squamous Cell Carcinoma. J Oral Maxillofac Surg 2017; 75:632-640. [DOI: 10.1016/j.joms.2016.08.022] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Revised: 08/05/2016] [Accepted: 08/14/2016] [Indexed: 01/22/2023]
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11
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Thioredoxin and metallothionein: Homeostasis-related proteins in lip carcinogenesis. Arch Oral Biol 2017; 77:75-81. [PMID: 28183007 DOI: 10.1016/j.archoralbio.2017.01.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Revised: 01/27/2017] [Accepted: 01/28/2017] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Thioredoxin (Trx) and metallothionein (MT) are involved in the development of some carcinomas; however, the role of these proteins in labial carcinogenesis has not yet been tested. The aims of the study were to evaluate and to correlate the immunoexpression of Trx and MT in actinic cheilitis, lip squamous cell carcinoma, and normal vermillion lip mucosa. DESIGN Immunohistochemistry was undertaken for Trx and MT in samples of actinic cheilitis, lip squamous cell carcinoma, and normal lip mucosa. Qualitative and semi-quantitative evaluations were conducted. The proportion of stained cells, intensity of staining, and the cell compartment labeled were evaluated. A quickscore index was also calculated by multiplying the values of extension and intensity of nuclear and cytoplasmic staining, respectively, giving a maximum value of 9. Statistics were performed. RESULTS A remarkable nuclear Trx staining was seen in normal lip mucosa and cheilitis, not in carcinoma (p<0.05). Cytoplasmic Trx expression was widely detected in all lesions (p>0.05). MT was broadly expressed in nuclei and cytoplasm of carcinoma, but not in normal lip mucosa and cheilitis (p<0.05). Quickscores were in accordance with the qualitative results. CONCLUSIONS The current study showed a different immunopattern of Trx and MT between normal lip mucosa, actinic cheilitis and lip squamous cell carcinoma. The cellular compartment-based analyses evidenced differences that can be related to the proteins function. Considering the relevant roles of these proteins in cellular homeostasis, they seem to have an important role in lip carcinogenesis.
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12
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Nowinska K, Chmielewska M, Piotrowska A, Pula B, Pastuszewski W, Krecicki T, Podhorska-Okołow M, Zabel M, Dziegiel P. Correlation between levels of expression of minichromosome maintenance proteins, Ki-67 proliferation antigen and metallothionein I/II in laryngeal squamous cell cancer. Int J Oncol 2015; 48:635-45. [PMID: 26648405 DOI: 10.3892/ijo.2015.3273] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Accepted: 10/27/2015] [Indexed: 11/06/2022] Open
Abstract
MCM2, MCM3 and MCM7 are minichromosome maintenance proteins found in dividing cells and they play a role in DNA synthesis. Increased MCM expression level is observed in cells of different cancer types. Additionally, metallothioneins (MT-I/II) are involved in control of cell proliferation and differentiation and changes of their expression are observed in many types of cancer. Ki-67 is known cancer cell proliferation antigen currently used in prognostic evaluation. The study material consisted of 83 laryngeal squamous cell cancer (LSCC) cases and 10 benign hypertrophic lesions of larynx epithelium as a control group. For the present study, laryngeal cancer cell line HEp-2 and human keratinocytes were employed, and to evaluate expression of all the markers, immunohistochemical method (IHC), immunofluorescence (IF) and western blot analysis were used. Statistical analysis showed strong positive correlation between expression of MCM2, MCM3, MCM7 and Ki-67 antigen in LSCC. Additionally, moderate positive correlation was observed between MCM3 and MT-I/II expression. In cancer cells, the level of expression of MCM3, MCM2, MCM7 and Ki-67 markers was increasing with the grade of LSCC malignancy. IF and western blot analysis showed higher MCM2, MCM3, MCM7 expression in HEp-2 cells in comparison to their expression in keratinocytes. MCM proteins might be useful markers of cell proliferation in LSCC.
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Affiliation(s)
- Katarzyna Nowinska
- Department of Histology and Embryology, Wroclaw Medical University, Wroclaw, Poland
| | | | | | - Bartosz Pula
- Department of Histology and Embryology, Wroclaw Medical University, Wroclaw, Poland
| | | | - Tomasz Krecicki
- Department of Otolaryngology, Head and Neck Surgery, Wroclaw Medical University, Wroclaw, Poland
| | | | - Maciej Zabel
- Department of Histology and Embryology, Wroclaw Medical University, Wroclaw, Poland
| | - Piotr Dziegiel
- Department of Histology and Embryology, Wroclaw Medical University, Wroclaw, Poland
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Evaluation of cannabinoid CB1 and CB2 receptors expression in mobile tongue squamous cell carcinoma: associations with clinicopathological parameters and patients' survival. Tumour Biol 2015; 37:3647-56. [PMID: 26459312 DOI: 10.1007/s13277-015-4182-8] [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: 07/07/2015] [Accepted: 10/01/2015] [Indexed: 10/23/2022] Open
Abstract
Cannabinoid receptors (CB1R and CB2R) constitute essential members of the endocannabinoid system (ECS) which participates in many different functions indispensable to homeostatic regulation in several tissues, exerting also antitumorigenic effects. The present study aimed to assess the clinical significance of CB1R and CB2R protein expression in mobile tongue squamous cell carcinoma (SCC). CB1R and CB2R expression was assessed immunohistochemically on 28 mobile tongue SCC tissue samples and was analyzed in relation with clinicopathological characteristics and overall and disease-free patients' survival. CB1R, CB2R, and concomitant CB1R/CB2R expression was significantly increased in older compared to younger mobile tongue SCC patients (p = 0.0243, p = 0.0079, and p = 0.0366, respectively). Enhanced CB2R and concomitant CB1R/CB2R expression was significantly more frequently observed in female compared to male mobile tongue SCC patients (p = 0.0025 and p = 0.0016, respectively). Elevated CB2R expression was significantly more frequently observed in mobile tongue SCC patients presenting well-defined tumor shape compared to those with diffuse (p = 0.0430). Mobile tongue SCC patients presenting enhanced CB1R, CB2R, or concomitant CB1R/CB2R expression showed significantly longer overall (log-rank test, p = 0.004, p = 0.011, p = 0.018, respectively) and disease-free (log-rank test, p = 0.003, p = 0.007, p = 0.027, respectively) survival times compared to those with low expression. In multivariate analysis, CB1R was identified as an independent prognostic factor for disease-free patients' survival (Cox-regression analysis, p = 0.032). The present study provides evidence that CB1R and CB2R may play a role in the pathophysiological aspects of the mobile tongue SCC and even each molecule may constitute a potential target for the development of novel anti-cancer drugs for this type of malignancy.
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Koutsounas I, Giaginis C, Alexandrou P, Zizi-Serbetzoglou A, Patsouris E, Kouraklis G, Theocharis S. Pregnane X Receptor Expression in Human Pancreatic Adenocarcinoma: Associations With Clinicopathologic Parameters, Tumor Proliferative Capacity, Patients' Survival, and Retinoid X Receptor Expression. Pancreas 2015; 44:1134-40. [PMID: 26355550 DOI: 10.1097/mpa.0000000000000405] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVES Pregnane X receptor (PXR) has been involved in human malignancy, either by directly affecting carcinogenesis or by inducing drug-drug interactions and chemotherapy resistance. The present study aimed to assess the clinical significance of PXR in pancreatic adenocarcinoma. METHODS Pregnane X receptor and its heterodimers' PXR/retinoid X receptor α (RXR-α), RXR-β, and RXR-γ expression were assessed immunohistochemically on tumoral samples from 55 pancreatic adenocarcinoma patients and were associated with clinicopathologic parameters, tumor proliferative capacity, and patients' survival. RESULTS Enhanced PXR expression was noted in 24 (43.6%) of 55 pancreatic adenocarcinoma cases. Pancreatic adenocarcinoma patients presenting increased histological grade of tumor differentiation showed a significant increased incidence of elevated PXR expression (P = 0.023). Enhanced PXR/RXR-β expression was significantly associated with smaller tumor size and earlier clinical stage (P = 0.005 and P = 0.003, respectively). Elevated PXR/RXR-γ expression was significantly associated with smaller tumor size and earlier clinical stage (P = 0.012 and P = 0.014, respectively) and borderline with the absence of lymph node metastases (P = 0.056). In addition, pancreatic adenocarcinoma patients presenting enhanced PXR/RXR-γ expression showed marginally longer survival times compared with those with decreased expression (log-rank test, P = 0.053). CONCLUSIONS This study supported evidence that PXR and its copartners' overexpression may be associated with favorable clinicopathologic parameters and better outcome in pancreatic adenocarcinoma.
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Affiliation(s)
- Ioannis Koutsounas
- From the *First Department of Pathology, Medical School, National and Kapodistrian University of Athens, Athens; †Department of Food Science and Nutrition, School of the Environment, University of the Aegean, Myrina, Lemnos; ‡Department of Pathology, Tzaneio General Hospital, Piraeus; and §Second Department of Propedeutic Surgery, Medical School, University of Athens, Athens, Greece
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15
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Starska K, Bryś M, Forma E, Olszewski J, Pietkiewicz P, Lewy-Trenda I, Stasikowska-Kanicka O, Danilewicz M, Krześlak A. Metallothionein 2A core promoter region genetic polymorphism and its impact on the risk, tumor behavior, and recurrences of sinonasal inverted papilloma (Schneiderian papilloma). Tumour Biol 2015; 36:8559-71. [PMID: 26036762 PMCID: PMC4672009 DOI: 10.1007/s13277-015-3616-7] [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: 05/26/2015] [Indexed: 01/20/2023] Open
Abstract
Inverted papillomas are a unique group of locally aggressive benign epithelial neoplasms in the nasal cavity and paranasal sinuses arising from the Schneiderian mucosa. Metallothioneins are sulfhydryl-rich heavy metal-binding proteins required for metal toxicity protection and regulation of biological mechanisms including proliferation and invasion. The goal of this study was to identify three SNPs at loci −5 A/G (rs28366003) and −209 A/G (rs1610216) in the core promoter region and at locus +838 C/G (rs10636) in 3′UTR region of the MT2A gene with IP risk and with tumor invasiveness according to Krouse staging. Genotyping was performed using the PCR restriction fragment length polymorphism technique in 130 genetically unrelated IP individuals, and 418 randomly selected healthy volunteers. The presence of the rs28366003 SNP was significantly related to the risk of IP within the present population-based case-control study. Compared to homozygous common allele carriers, heterozygosity and homozygosity for the G variant had a significantly increased risk of IP (adjusted odds ratio [OR] = 7.71, 95 % confidence interval [CI]: 4.01–14.91, pdominant < 0.001). Moreover, risk allele carriers demonstrated higher Krouse stage (pT1 vs. pT2-4) (OR = 19.32; 95 % CI, 2.30–173.53; p < 0.0001), diffuse tumor growth (OR = 4.58; 95 % CI, 1.70–12.11; p = 0.0008), bone destruction (OR = 4.13; 95 % CI, 1.50–11.60; p = 0.003), and higher incidence of tumor recurrences (OR = 5.11; 95 % CI, 1.68–15.20; p = 0.001). The findings suggest that MT2A gene variation rs28366003 may be implicated in the etiology of sinonasal inverted papilloma in a Polish population.
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Affiliation(s)
- Katarzyna Starska
- I Department of Otolaryngology and Laryngological Oncology, Medical University of Łódź, Kopcinskiego 22, 90-153, Łódź, Poland.
| | - Magdalena Bryś
- Department of Cytobiochemistry, University of Łódź, Pomorska 142/143, 90-236, Łódź, Poland
| | - Ewa Forma
- Department of Cytobiochemistry, University of Łódź, Pomorska 142/143, 90-236, Łódź, Poland
| | - Jurek Olszewski
- II Department of Otolaryngology and Laryngological Oncology, Medical University of Łódź, Żeromskiego 113, 90-549, Łódź, Poland
| | - Piotr Pietkiewicz
- II Department of Otolaryngology and Laryngological Oncology, Medical University of Łódź, Żeromskiego 113, 90-549, Łódź, Poland
| | - Iwona Lewy-Trenda
- Department of Pathology, Medical University of Łódź, Pomorska 251, 92-213, Łódź, Poland
| | | | - Marian Danilewicz
- Department of Pathology, Medical University of Łódź, Pomorska 251, 92-213, Łódź, Poland
| | - Anna Krześlak
- Department of Cytobiochemistry, University of Łódź, Pomorska 142/143, 90-236, Łódź, Poland
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16
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Metallothionein-I/II Knockout Mice Aggravate Mitochondrial Superoxide Production and Peroxiredoxin 3 Expression in Thyroid after Excessive Iodide Exposure. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:267027. [PMID: 26101557 PMCID: PMC4458558 DOI: 10.1155/2015/267027] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2014] [Revised: 01/13/2015] [Accepted: 02/11/2015] [Indexed: 12/30/2022]
Abstract
Purpose. We aim to figure out the effect of metallothioneins on iodide excess induced oxidative stress in the thyroid. Methods. Eight-week-old MT-I/II knockout (MT-I/II KO) mice and background-matched wild-type (WT) mice were used. Mitochondrial superoxide production and peroxiredoxin (Prx) 3 expression were measured. Results. In in vitro study, more significant increases in mitochondrial superoxide production and Prx 3 expression were detected in the MT-I/II KO groups. In in vivo study, significantly higher concentrations of urinary iodine level were detected in MT-I/II KO mice in 100 HI group. Compared to the NI group, there was no significant difference existing in serum thyroid hormones level in either groups (P > 0.05), while the mitochondrial superoxide production was significantly increased in 100 HI groups with significantly increased LDH activity and decreased relative cell viability. Compared to WT mice, more significant changes were detected in MT-I/II KO mice in 100 HI groups. No significant differences were detected between the NI group and 10 HI group in both the MT-I/II KO and WT mice groups (P > 0.05). Conclusions. Iodide excess in a thyroid without MT I/II protection may result in strong mitochondrial oxidative stress, which further leads to the damage of thyrocytes.
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Heger Z, Zitka J, Cernei N, Krizkova S, Sztalmachova M, Kopel P, Masarik M, Hodek P, Zitka O, Adam V, Kizek R. 3D-printed biosensor with poly(dimethylsiloxane) reservoir for magnetic separation and quantum dots-based immunolabeling of metallothionein. Electrophoresis 2015; 36:1256-64. [DOI: 10.1002/elps.201400559] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 02/04/2015] [Accepted: 02/08/2015] [Indexed: 01/12/2023]
Affiliation(s)
- Zbynek Heger
- Department of Chemistry and Biochemistry; Mendel University; Brno Czech Republic
- Central European Institute of Technology; Brno University of Technology; Brno Czech Republic
| | - Jan Zitka
- Department of Chemistry and Biochemistry; Mendel University; Brno Czech Republic
| | - Natalia Cernei
- Department of Chemistry and Biochemistry; Mendel University; Brno Czech Republic
- Central European Institute of Technology; Brno University of Technology; Brno Czech Republic
| | - Sona Krizkova
- Department of Chemistry and Biochemistry; Mendel University; Brno Czech Republic
- Central European Institute of Technology; Brno University of Technology; Brno Czech Republic
| | - Marketa Sztalmachova
- Central European Institute of Technology; Brno University of Technology; Brno Czech Republic
- Department of Pathological Physiology, Faculty of Medicine; Masaryk University; Brno Czech Republic
| | - Pavel Kopel
- Department of Chemistry and Biochemistry; Mendel University; Brno Czech Republic
- Central European Institute of Technology; Brno University of Technology; Brno Czech Republic
| | - Michal Masarik
- Central European Institute of Technology; Brno University of Technology; Brno Czech Republic
- Department of Pathological Physiology, Faculty of Medicine; Masaryk University; Brno Czech Republic
| | - Petr Hodek
- Department of Biochemistry, Faculty of Science; Charles University in Prague; Prague Czech Republic
| | - Ondrej Zitka
- Department of Chemistry and Biochemistry; Mendel University; Brno Czech Republic
- Central European Institute of Technology; Brno University of Technology; Brno Czech Republic
| | - Vojtech Adam
- Department of Chemistry and Biochemistry; Mendel University; Brno Czech Republic
- Central European Institute of Technology; Brno University of Technology; Brno Czech Republic
| | - Rene Kizek
- Department of Chemistry and Biochemistry; Mendel University; Brno Czech Republic
- Central European Institute of Technology; Brno University of Technology; Brno Czech Republic
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Starska K, Bryś M, Forma E, Olszewski J, Pietkiewicz P, Lewy-Trenda I, Danilewicz M, Krześlak A. The effect of metallothionein 2A core promoter region single-nucleotide polymorphism on accumulation of toxic metals in sinonasal inverted papilloma tissues. Toxicol Appl Pharmacol 2015; 285:187-97. [PMID: 25900616 DOI: 10.1016/j.taap.2015.04.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2015] [Revised: 03/08/2015] [Accepted: 04/09/2015] [Indexed: 12/13/2022]
Abstract
Metallothioneins (MTs) are intracellular thiol-rich heavy metal-binding proteins which join trace metal ions protecting cells against heavy metal toxicity and regulate metal distribution and donation to various enzymes and transcription factors. The goal of this study was to identify the -5 A/G (rs28366003) single-nucleotide polymorphism (SNP) in the core promoter region of the MT2A gene, and to investigate its effect on allele-specific gene expression and Cd, Zn, Cu and Ni content in sinonasal inverted papilloma tissue (IP), with non-cancerous sinonasal mucosa (NCM) as a control. The MT2A promoter region -5 A/G SNP was identified by restriction fragment length polymorphism using 117 IP and 132 NCM. MT2A gene analysis was performed by quantitative real-time PCR. Metal levels were analyzed by flame atomic absorption spectrometry. The frequency of A allele carriage was 99.2% and 100% in IP and NCM, respectively. The G allele carriage was detected in 23.9% of IP and in 12.1% of the NCM samples. As a result, a significant association of -5 A/G SNP in MT2A gene with mRNA expression in both groups was determined. A significant association was identified between the -5 A/G SNP in the MT2A gene with mRNA expression in both groups. A highly significant association was detected between the rs28366003 genotype and Cd and Zn content in IP. Furthermore, significant differences were identified between A/A and A/G genotype with regard to the type of metal contaminant. The Spearman rank correlation results showed the MT2A gene expression and both Cd and Cu levels were negatively correlated. The results obtained in this study suggest that the -5 A/G SNP in the MT2A gene may have an effect on allele-specific gene expression and toxic metal accumulation in sinonasal inverted papilloma.
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Affiliation(s)
- Katarzyna Starska
- I Department of Otolaryngology and Laryngological Oncology, Medical University of Łódź, Kopcinskiego 22, 90-153 Łódź, Poland.
| | - Magdalena Bryś
- Department of Cytobiochemistry, University of Łódź, Pomorska 142/143, 90-236 Łódź, Poland
| | - Ewa Forma
- Department of Cytobiochemistry, University of Łódź, Pomorska 142/143, 90-236 Łódź, Poland
| | - Jurek Olszewski
- II Department of Otolaryngology and Laryngological Oncology, Medical University of Łódź, Żeromskiego 113, 90-549 Łódź, Poland
| | - Piotr Pietkiewicz
- II Department of Otolaryngology and Laryngological Oncology, Medical University of Łódź, Żeromskiego 113, 90-549 Łódź, Poland
| | - Iwona Lewy-Trenda
- Department of Pathology, Medical University of Łódź, Pomorska 251, 92-213 Łódź, Poland
| | - Marian Danilewicz
- Department of Pathology, Medical University of Łódź, Pomorska 251, 92-213 Łódź, Poland
| | - Anna Krześlak
- Department of Cytobiochemistry, University of Łódź, Pomorska 142/143, 90-236 Łódź, Poland
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19
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Brazão-Silva MT, Rodrigues MFS, Eisenberg ALA, Dias FL, de Castro LM, Nunes FD, Faria PR, Cardoso SV, Loyola AM, de Sousa SCOM. Metallothionein gene expression is altered in oral cancer and may predict metastasis and patient outcomes. Histopathology 2015; 67:358-67. [PMID: 25640883 DOI: 10.1111/his.12660] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Accepted: 01/23/2015] [Indexed: 01/02/2023]
Abstract
AIMS Metallothioneins (MTs) are proteins associated with the carcinogenesis and prognosis of various tumours. Previous studies have shown their potential as biomarkers in oral squamous cell carcinoma (OSCC). Aiming to understand more clearly the function of MTs in OSCC we evaluated, for the first time, the gene expression profile of MTs in this neoplasm. MATERIALS AND RESULTS Tissue samples from 35 cases of tongue and/or floor of mouth OSCC, paired with their corresponding non-neoplastic oral mucosa (NNOM), were retrieved (2007-09). All tissues were analysed for the following genes using TaqMan(®) reverse transcription-quantitative polymerase chain reaction (RT-qPCR) assays: MT1A, MT1B, MT1E, MT1F, MT1G, MT1H, MT1X, MT2A, MT3 and MT4. The expression of MT1B and MT1H was seldom detected in both OSCC and NNOM. A significant loss of MT1A, MT1X, MT3 and MT4 expression and gain of MT1F expression was observed in OSCC, compared to NNOM. Cases with MT1G down-regulation exhibited the worst prognoses. The up-regulation of MT1X was restricted to non-metastatic cases, whereas up-regulation of MT3 was related to cases with lymph node metastasis. CONCLUSIONS Metallothionein mRNA expression is altered significantly in oral squamous cell carcinomas. The expression of MT1G, MT1X and MT3 may aid in the prognostic discrimination of OSCC cases.
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Affiliation(s)
- Marco T Brazão-Silva
- PhD program in Estomatology and Basic and Applied Pathology, School of Dentistry, University of São Paulo, São Paulo, Brazil
| | | | - Ana Lúcia A Eisenberg
- Department of Pathology, Brazilian National Cancer Institute/INCA, Rio de Janeiro, Brazil
| | - Fernando L Dias
- Department of Head and Neck Surgery, Brazilian National Cancer Institute/INCA, Rio de Janeiro, Brazil
| | - Luciana M de Castro
- National Tumor Bank, Brazilian National Cancer Institute/INCA, Rio de Janeiro, Brazil
| | - Fábio D Nunes
- PhD program in Estomatology and Basic and Applied Pathology, School of Dentistry, University of São Paulo, São Paulo, Brazil.,Laboratory of Molecular Pathology, School of Dentistry, University of São Paulo, São Paulo, Brazil.,Department of Oral Pathology, School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Paulo R Faria
- Department of Histology and Morphology, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | - Sérgio V Cardoso
- Department of Oral Pathology, School of Dentistry, Federal University of Uberlândia, Uberlândia, Brazil
| | - Adriano M Loyola
- Department of Oral Pathology, School of Dentistry, Federal University of Uberlândia, Uberlândia, Brazil
| | - Suzana C O M de Sousa
- PhD program in Estomatology and Basic and Applied Pathology, School of Dentistry, University of São Paulo, São Paulo, Brazil.,Department of Oral Pathology, School of Dentistry, University of São Paulo, São Paulo, Brazil
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20
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The −5 A/G single-nucleotide polymorphism in the core promoter region of MT2A and its effect on allele-specific gene expression and Cd, Zn and Cu levels in laryngeal cancer. Toxicol Appl Pharmacol 2014; 280:256-63. [DOI: 10.1016/j.taap.2014.08.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Revised: 07/02/2014] [Accepted: 08/15/2014] [Indexed: 12/13/2022]
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21
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Meng HE, Liu ZY. Metallothioneins and digestive system tumors. Shijie Huaren Xiaohua Zazhi 2014; 22:2722-2727. [DOI: 10.11569/wcjd.v22.i19.2722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Metallothioneins (MTs) are low-molecular weight, cysteine-rich, intracellular metal-binding proteins involved in diverse functions, such as metal homeostasis and/or detoxification, scavenging free radicals and stress response. Recent studies show that MTs play an important role in cell differentiation, proliferation and carcinogenesis by displaying different expression patterns and through different signaling pathways, have important value for the clinical diagnosis, treatment and prognosis of tumors, and can be used as a cancer biomarker. This article aims to discuss the research progress in MTs as a cancer maker in human digestive system tumors.
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22
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Starska K, Krześlak A, Forma E, Olszewski J, Lewy-Trenda I, Osuch-Wójcikiewicz E, Bryś M. Genetic polymorphism of metallothionein 2A and risk of laryngeal cancer in a Polish population. Med Oncol 2014; 31:75. [PMID: 24952512 DOI: 10.1007/s12032-014-0075-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2014] [Accepted: 06/11/2014] [Indexed: 12/20/2022]
Abstract
Metallothioneins are intracellular regulators of many biological mechanisms including differentiation, proliferation, angiogenesis and invasion, which are crucial processes in carcinogenesis. This study examines the association between three single-nucleotide polymorphisms at loci -5 A/G (rs28366003) and -209 A/G (rs1610216) in the core promoter region and at locus +838 C/G (rs10636) in 3'UTR region of the metallothionein 2A (MT2A) gene with squamous cell laryngeal cancer (SCLC) risk, as well as with tumor invasiveness according to tumor front grading (TFG). Genotyping was performed using the polymerase chain reaction-restriction fragment length polymorphism technique in 323 genetically unrelated individuals with SCLC and 418 randomly selected healthy volunteers. Only one SNP (rs28366003) was significantly related to laryngeal cancer in the study population. Compared with homozygous common allele carriers, heterozygous and homozygous for the G variant had significantly increased risk of SCLC [adjusted odds ratio (OR) = 2.90, 95 % confidence interval (CI) 1.53-5.21, p dominant < 0.001]. The A/G allele carriers at rs28366003 MT2A were at higher risk of SCLC development (OR = 2.63, 95 % CI 1.41-2.85, p < 0.001]. There was a significant association between the rs28366003 and stage and TFG classification. Most carriers of minor allele had a higher stage (OR = 2.76, 95 % CI 1.11-7.52, p = 0.03), increased cancer aggressiveness, as defined by a higher total TFG score (>18 points) (OR = 3.76, 95 % CI 1.15-12.56, p = 0.03) and diffuse tumor growth (OR = 5.86, 95 % Cl 0.72-44.79, p = 0.08). The results of this study raise a possibility that a genetic variation of MT2A may be implicated in the etiology of laryngeal cancer in a Polish population.
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Affiliation(s)
- Katarzyna Starska
- I Department of Otolaryngology and Laryngological Oncology, Medical University of Łódź, Kopcinskiego 22, 90-153, Lodz, Poland,
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Extracellular signal-regulated kinase (ERK) expression and activation in mobile tongue squamous cell carcinoma: associations with clinicopathological parameters and patients survival. Tumour Biol 2014; 35:6455-65. [PMID: 24682903 DOI: 10.1007/s13277-014-1853-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Accepted: 03/14/2014] [Indexed: 02/06/2023] Open
Abstract
Extracellular signal-regulated kinase (ERK) has been considered as a critical regulator of diverse cellular processes such as proliferation, survival and motility, being implicated in the malignant transformation in several tissue types. The present study aimed to evaluate the clinical significance of total ERK1 (t-ERK1) and phosphorylated ERK1/2 (p-ERK1/2) protein expression in mobile tongue squamous cell carcinoma (SCC). t-ERK1 and p-ERK1/2 protein expression in tumour cells and infiltrating the tumour microenvironment lymphoid cells was assessed immunohistochemically on 47 mobile tongue SCC tissue samples and was analyzed in relation with clinicopathological characteristics, overall and disease-free patients' survival. Enhanced nuclear t-ERK1 and p-ERK1/2 expression in tumour cells was associated with the absence of perineural invasion (p = 0.043) and shorter overall patients' survival (log-rank test, p = 0.028), respectively. Enhanced t-ERK1 expression in infiltrating lymphoid cells was significantly associated with female gender, absence of vascular and perineural invasion, lymph node metastases and early depth of invasion (p = 0.008, p = 0.019, p = 0.011, p = 0.036 and p = 0.001, respectively), as well as with longer disease-free survival times (log-rank test, p = 0.038). Enhanced p-ERK1/2 expression in infiltrating lymphoid cells was significantly associated with the presence of vascular invasion and lymph node metastases (p = 0.019 and p = 0.004, respectively) and shorter overall patients' survival (log-rank test, p = 0.013). In multivariate analysis, p-ERK1/2 expression in tumour cells and infiltrating lymphoid cells was identified as independent prognostic factors of overall survival (Cox regression analysis, p = 0.045 and p = 0.032, respectively). The present study supported evidence that ERK signalling pathway may exert a potential role in the pathophysiological aspects of the mobile tongue SCC, presenting also potential utility as a biomarker for patients' survival and reinforcing the development of novel anti-cancer therapies targeting ERK signalling cascade in this type of human malignancy.
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Gumulec J, Raudenska M, Adam V, Kizek R, Masarik M. Metallothionein - immunohistochemical cancer biomarker: a meta-analysis. PLoS One 2014; 9:e85346. [PMID: 24416395 PMCID: PMC3885711 DOI: 10.1371/journal.pone.0085346] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2013] [Accepted: 12/04/2013] [Indexed: 12/28/2022] Open
Abstract
Metallothionein (MT) has been extensively investigated as a molecular marker of various types of cancer. In spite of the fact that numerous reviews have been published in this field, no meta-analytical approach has been performed. Therefore, results of to-date immunohistochemistry-based studies were summarized using meta-analysis in this review. Web of science, PubMed, Embase and CENTRAL databases were searched (up to April 30, 2013) and the eligibility of individual studies and heterogeneity among the studies was assessed. Random and fixed effects model meta-analysis was employed depending on the heterogeneity, and publication bias was evaluated using funnel plots and Egger's tests. A total of 77 studies were included with 8,015 tissue samples (4,631 cases and 3,384 controls). A significantly positive association between MT staining and tumors (vs. healthy tissues) was observed in head and neck (odds ratio, OR 9.95; 95% CI 5.82-17.03) and ovarian tumors (OR 7.83; 1.09-56.29), and a negative association was ascertained in liver tumors (OR 0.10; 0.03-0.30). No significant associations were identified in breast, colorectal, prostate, thyroid, stomach, bladder, kidney, gallbladder, and uterine cancers and in melanoma. While no associations were identified between MT and tumor staging, a positive association was identified with the tumor grade (OR 1.58; 1.08-2.30). In particular, strong associations were observed in breast, ovarian, uterine and prostate cancers. Borderline significant association of metastatic status and MT staining were determined (OR 1.59; 1.03-2.46), particularly in esophageal cancer. Additionally, a significant association between the patient prognosis and MT staining was also demonstrated (hazard ratio 2.04; 1.47-2.81). However, a high degree of inconsistence was observed in several tumor types, including colorectal, kidney and prostate cancer. Despite the ambiguity in some tumor types, conclusive results are provided in the tumors of head and neck, ovary and liver and in relation to the tumor grade and patient survival.
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Affiliation(s)
- Jaromir Gumulec
- Department of Pathological Physiology, Masaryk University, Brno, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
| | - Martina Raudenska
- Department of Pathological Physiology, Masaryk University, Brno, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
| | - Vojtech Adam
- Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
- Department of Chemistry and Biochemistry, Mendel University in Brno, Brno, Czech Republic
| | - Rene Kizek
- Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
- Department of Chemistry and Biochemistry, Mendel University in Brno, Brno, Czech Republic
| | - Michal Masarik
- Department of Pathological Physiology, Masaryk University, Brno, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Brno, Czech Republic
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Brazão-Silva MT, Cardoso SV, de Faria PR, Dias FL, Lima RA, Eisenberg ALA, Nascimento MF, Loyola AM. Adenoid cystic carcinoma of the salivary gland: a clinicopathological study of 49 cases and of metallothionein expression with regard to tumour behaviour. Histopathology 2013; 63:802-9. [DOI: 10.1111/his.12227] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Accepted: 07/11/2013] [Indexed: 11/30/2022]
Affiliation(s)
| | - Sérgio Vitorino Cardoso
- Oral Pathology Section; Institute of Biomedical Sciences; Federal University of Uberlândia; Uberlândia MG Brazil
| | - Paulo Rogério de Faria
- Department of Histology and Morphology; Institute of Biomedical Sciences; Federal University of Uberlândia; Uberlândia MG Brazil
| | - Fernando Luiz Dias
- Department of Head and Neck Surgery; Brazilian National Cancer Institute/INCA; Rio de Janeiro RJ Brazil
| | - Roberto Araújo Lima
- Department of Head and Neck Surgery; Brazilian National Cancer Institute/INCA; Rio de Janeiro RJ Brazil
| | | | | | - Adriano Mota Loyola
- Pathology Post-graduate Programme; Federal University of Triângulo Mineiro; Uberaba MG Brazil
- Oral Pathology Section; Institute of Biomedical Sciences; Federal University of Uberlândia; Uberlândia MG Brazil
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26
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Theocharis S, Klijanienko J, Giaginis C, Alexandrou P, Patsouris E, Sastre-Garau X. Ephrin receptor (Eph) -A1, -A2, -A4 and -A7 expression in mobile tongue squamous cell carcinoma: associations with clinicopathological parameters and patients survival. Pathol Oncol Res 2013; 20:277-84. [PMID: 24022400 DOI: 10.1007/s12253-013-9692-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2012] [Accepted: 08/30/2013] [Indexed: 10/26/2022]
Abstract
Ephrin receptors (Ephs) are frequently overexpressed in a wide variety of human malignant tumors, being associated with tumor growth, invasion, metastasis and angiogenesis. The present study aimed to evaluate the clinical significance of Eph-A1, -A2, -A4 and -A7 protein expression in mobile tongue squamous cell carcinoma (SCC). Eph-A1, -A2, -A4 and -A7 protein expression was assessed immunohistochemically on 37 mobile tongue SCC tissue samples and was analyzed in relation with clinicopathological characteristics, overall and disease-free patients' survival. All the examined mobile tongue SCC cases were found positive for Eph-A1, -A2, -A4 and -A7. Significant associations were noted between high Eph-A1, -A4 and -A7 expression and absence of lymph node metastases (p = 0.0263, p = 0.0461 and p = 0.0461, respectively). High Eph-A1, -A2 and -A7 expression was significantly more frequently observed in patients presenting absence of vascular invasion (p = 0.0444), dense stromal inflammatory reaction (p = 0.0063) and female gender (p = 0.0327), respectively. Mobile tongue SCC patients with high Eph-A7 expression presented longer overall and disease-free survival compared to those with low Eph-A7 expression (log-rank test, p = 0.0093 and p = 0.0164, respectively). In multivariate analysis, Eph-A7 expression was identified as independent prognostic factor of overall survival (Cox-regression analysis, p = 0.0426). The present study supported evidence that Ephs may participate in the malignant transformation of mobile tongue SCC, reinforcing their utility as clinical markers for patients' management and prognosis, as also as targets for potential therapeutic intervention in tongue chemoprevention.
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27
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Vyslouzilova L, Krizkova S, Anyz J, Hynek D, Hrabeta J, Kruseova J, Eckschlager T, Adam V, Stepankova O, Kizek R. Use of brightness wavelet transformation for automated analysis of serum metallothioneins- and zinc-containing proteins by Western blots to subclassify childhood solid tumours. Electrophoresis 2013; 34:1637-48. [PMID: 23417248 DOI: 10.1002/elps.201200561] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2012] [Revised: 12/03/2012] [Accepted: 12/27/2012] [Indexed: 12/12/2022]
Abstract
In this study, we determined serum levels of metallothioneins (MTs) and zinc in children with solid tumours (neuroblastoma, Hodgkin lymphoma, medulloblastoma, osteosarcoma, Ewing sarcoma and nephroblastoma) by differential pulse voltammetry Brdicka reaction and ELISA. Zn(II) level in patients sera was 40% compared to controls, contrariwise, MT level was 4.2 × higher in patients. No significant differences among single diagnoses were found both for Zn(II) and MT. When determined Zn(II)/MT ratio, in controls its value was 24.6, but it was 2.6 in patients. After Western-blotting with anti-MT and anti-Zn chicken antibodies, variable intensities of the bands within the samples were observed. The brightness curve obtained for each sample both for MT- and Zn blots was further analysed to produce a list of band positions together with some complementary information related to the intensity of the observed bands by the optimised algorithm. We constructed from those profiles decision trees that enable to distinguish different groups of tumours. The blood samples were heat-treated, in which we supposed mainly MT, but samples contained other thermostable Zn-containing proteins that were helpful for identification of embryonal tumours with 88% accuracy and for identification of sarcomas with 78% accuracy. In MT blots the accuracies were 53 and 45%, respectively. Simultaneous analysis of MT and Zn blots did not increased accuracy of identification neither in embryonal tumours (80%) nor in sarcomas. Those results are promising not only from diagnostic point of view but particularly in the area of studying of individual MT isoforms and their aggregates in malignant tumours.
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Affiliation(s)
- Lenka Vyslouzilova
- Department of Cybernetics, Faculty of Electrical Engineering, Czech Technical University, Prague, Czech Republic
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28
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Krizkova S, Ryvolova M, Hrabeta J, Adam V, Stiborova M, Eckschlager T, Kizek R. Metallothioneins and zinc in cancer diagnosis and therapy. Drug Metab Rev 2012; 44:287-301. [PMID: 23050852 DOI: 10.3109/03602532.2012.725414] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Metallothioneins (MTs) are involved in protection against oxidative stress (OS) and toxic metals and they participate in zinc metabolism and its homeostasis. Disturbing of zinc homeostasis can lead to formation of reactive oxygen species, which can result in OS causing alterations in immunity, aging, and civilization diseases, but also in cancer development. It is not surprising that altered zinc metabolism and expression of MTs are of great interest in the case of studying of oncogenesis and cancer prognosis. The role of MTs and zinc in cancer development is tightly connected, and the structure and function of MTs are strongly dependent on Zn²⁺ redox state and its binding to proteins. Antiapoptic effects of MTs and their interactions with proteins nuclear factor kappa B, protein kinase C, esophageal cancer-related gene, and p53 as well as the role of MTs in their proliferation, immunomodulation, enzyme activation, and interaction with nitric oxide are reviewed. Utilization of MTs in cancer diagnosis and therapy is summarized and their importance for chemoresistance is also mentioned.
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Affiliation(s)
- Sona Krizkova
- Department of Chemistry and Biochemistry, Faculty of Agronomy, Mendel University in Brno, Brno, Czech Republic
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29
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Babula P, Masarik M, Adam V, Eckschlager T, Stiborova M, Trnkova L, Skutkova H, Provaznik I, Hubalek J, Kizek R. Mammalian metallothioneins: properties and functions. Metallomics 2012; 4:739-50. [PMID: 22791193 DOI: 10.1039/c2mt20081c] [Citation(s) in RCA: 172] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Metallothioneins (MT) are a family of ubiquitous proteins, whose role is still discussed in numerous papers, but their affinity to some metal ions is undisputable. These cysteine-rich proteins are connected with antioxidant activity and protective effects on biomolecules against free radicals, especially reactive oxygen species. In this review, the connection between zinc(II) ions, reactive oxygen species, heavy metal ions and metallothioneins is demonstrated with respect to effect of these proteins on cell proliferation and a possible negative role in resistance to heavy metal-based and non-heavy metal-based drugs.
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Affiliation(s)
- Petr Babula
- Central European Institute of Technology, Brno University of Technology, Technicka 3058/10, CZ-616 00 Brno, Czech Republic
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