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Vallina C, López-Pintor RM, González-Serrano J, de Vicente JC, Hernández G, Lorz C. Genes involved in the epithelial-mesenchymal transition in oral cancer: A systematic review. Oral Oncol 2021; 117:105310. [PMID: 33901766 DOI: 10.1016/j.oraloncology.2021.105310] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 04/10/2021] [Accepted: 04/14/2021] [Indexed: 12/25/2022]
Abstract
OBJECTIVE Epithelial-mesenchymal transition (EMT) is considered the initial step in the invasion-metastasis cascade. The aim of this systematic review was to study the signature of genes involved in the EMT process in oral cancer (OC) confirmed by protein expression and its possible relationship with oral squamous cell carcinoma (OSCC) prognostic variables. MATERIALS AND METHODS A search of the scientific literature was carried out with no start date restriction until 17 September 2020 in the electronic databases Pubmed/MEDLINE, Web of Science, Cochrane Library and Scopus, following specific eligibility criteria. The methodological quality of the included studies was assessed using the Newcastle-Ottawa tool. RESULTS A total of 8 retrospective cohort studies were included, all of them performed in China and with low risk of bias. Overexpression of the genes HNRNPC, ITGA5, HMGA2 and SRSF3, and low expression of ALDH3A1 and ARID2 promote EMT in OC. The more advanced clinical stages of the TNM classification were significantly associated with overexpression of HNRNPC, ITGA5, HMGA2 and SRSF3, and low expression of ARID2. CONCLUSIONS HNRNPC, ITGA5, HMGA2, SRSF3, ALDH3A1 and ARID2 genes were associated with EMT process. Over- or under-expression of these genes is associated with worse stages of OSCC and/or worse prognosis of the tumor. Further studies on this topic are needed in different countries to be able to confirm these results, since the detection of these genes can help to know which tumors have a worse prognosis.
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Affiliation(s)
- Carmen Vallina
- School of Medicine and Dentistry, Oviedo University, Julián clavería s/n, 33006 Oviedo, Spain
| | - Rosa María López-Pintor
- ORALMED Research Group, Department of Dental Clinical Specialties, School of Dentistry, Complutense University, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain.
| | - José González-Serrano
- ORALMED Research Group, Department of Dental Clinical Specialties, School of Dentistry, Complutense University, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain.
| | - Juan Carlos de Vicente
- ORALMED Research Group, Department of Oral and Maxillofacial Surgery, Hospital Central Universitario de Asturias (HUCA), Carretera de Rubín s/n, 33011 Oviedo, Asturias, Spain.
| | - Gonzalo Hernández
- ORALMED Research Group, Department of Dental Clinical Specialties, School of Dentistry, Complutense University, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain.
| | - Corina Lorz
- Molecular Oncology Unit, Environmental and Technological Energy Research Center (CIEMAT), Avd. Complutense 40, 28040, Spain; Research Institute 12 de Octubre i+12, University Hospital 12 de Octubre, Ave Córdoba s/n, 28041, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Ave Monforte de Lemos 3-5, 28029 Madrid, Spain.
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Wachters JE, Kop E, Slagter-Menkema L, Mastik M, van der Wal JE, van der Vegt B, de Bock GH, van der Laan BFAM, Schuuring E. Distinct Biomarker Profiles and Clinical Characteristics in T1-T2 Glottic and Supraglottic Carcinomas. Laryngoscope 2020; 130:2825-2832. [PMID: 32065407 PMCID: PMC7754398 DOI: 10.1002/lary.28532] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 12/05/2019] [Accepted: 12/31/2019] [Indexed: 12/18/2022]
Abstract
Background In early stage laryngeal squamous cell carcinoma (LSCC) radiotherapy with curative intent is a major treatment modality. TNM classification is used to define patients eligible for radiotherapy. Studies in early stage glottic LSCC identified several predictive biomarkers associated with local control. However, we recently reported that this predictive value could not be confirmed in supraglottic LSCC. Objective To examine whether clinical behavior and protein expression patterns of these biomarkers differ between glottic and supraglottic LSCC. Study Design Retrospective cohort study. Methods Tumor tissue sections of 196 glottic and 80 supraglottic T1‐T2 LSCC treated primarily with RT were assessed immunohistochemically for expression of pAKT, Ki‐67 and β‐Catenin. Expression data of HIF‐1α, CA‐IX, OPN, FADD, pFADD, Cyclin D1, Cortactin and EGFR in the same cohort of glottic and supraglottic LSCC, were retrieved from previously reported data. The relationship between glottic and supraglottic sublocalization and clinicopathological, follow‐up, and immunohistochemical staining characteristics were evaluated using logistic regression and Cox regression analyses. Results Glottic LSCC were correlated with male gender (P = .001), hoarseness as a primary symptom (P < .001), T1 tumor stage (P < .001), negative lymph node status (P < .001), and an older age at presentation (P = .004). Supraglottic LSCC patients developed more post‐treatment distant metastasis when adjusted for gender, age, and T‐status. While supraglottic LSCC was associated with higher expression of HIF‐1α (P = .001), Cortactin (P < .001), EGFR (P < .001), and Ki‐67 (P = .027), glottic LSCC demonstrated higher expression of CA‐IX (P = .005) and Cyclin D1 (P = .001). Conclusion Differences in clinicopathological and immunohistochemical staining characteristics suggest that T1‐T2 glottic and supraglottic LSCC should be considered as different entities. Level of Evidence N/A. Laryngoscope, 2020
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Affiliation(s)
- Jan E Wachters
- Department of Pathology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.,Department of Otorhinolaryngology and Head and Neck Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Emiel Kop
- Department of Pathology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.,Department of Otorhinolaryngology and Head and Neck Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Lorian Slagter-Menkema
- Department of Pathology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.,Department of Otorhinolaryngology and Head and Neck Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Mirjam Mastik
- Department of Pathology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Jacqueline E van der Wal
- Department of Pathology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Bert van der Vegt
- Department of Pathology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Geertruida H de Bock
- Department of Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Bernard F A M van der Laan
- Department of Otorhinolaryngology and Head and Neck Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Ed Schuuring
- Department of Pathology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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Korean Society of Thyroid-Head and Neck Surgery Guideline Task Force, Joo YH, Cho JK, Koo BS, Kwon M, Kwon SK, Kwon SY, Kim MS, Kim JK, Kim H, Nam I, Roh JL, Park YM, Park IS, Park JJ, Shin SC, Ahn SH, Won S, Ryu CH, Yoon TM, Lee G, Lee DY, Lee MC, Lee JK, Lee JC, Lim JY, Chang JW, Jang JY, Chung MK, Jung YS, Cho JG, Choi YS, Choi JS, Lee GH, Chung PS. Guidelines for the Surgical Management of Oral Cancer: Korean Society of Thyroid-Head and Neck Surgery. Clin Exp Otorhinolaryngol 2019; 12:107-144. [PMID: 30703871 PMCID: PMC6453784 DOI: 10.21053/ceo.2018.01816] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 12/14/2018] [Indexed: 01/08/2023] Open
Abstract
Korean Society of Thyroid-Head and Neck Surgery appointed a Task Force to provide guidance on the implementation of a surgical treatment of oral cancer. MEDLINE databases were searched for articles on subjects related to "surgical management of oral cancer" published in English. Results were restricted to systematic reviews, randomized control trials/controlled clinical trials, and observational studies. The quality of evidence was rated with use RoBANS (Risk of Bias Assessment Tool for Nonrandomized Studies) and AMSTAR (A Measurement Tool to Assess the Methodological Quality of Systematic Reviews). Evidence-based recommendations for practice were ranked according to the American College of Physicians grading system. Additional directives are provided as expert opinions and Delphi questionnaire when insufficient evidence existed. The Committee developed 68 evidence-based recommendations in 34 categories intended to assist clinicians and patients and counselors, and health policy-makers. Proper surgical treatment selection for oral cancer, which is directed by patient- and subsite-specific factors, remains the greatest predictor of successful treatment outcomes. These guidelines are intended for use in conjunction with the individual patient's treatment goals.
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Affiliation(s)
- Korean Society of Thyroid-Head and Neck Surgery Guideline Task Force
- Department of Otorhinolaryngology Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Inje University College of Medicine, Busan, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Chungnam National University School of Medicine, Daejeon, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Eulji University School of Medicine, Daejeon, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Seoul National University College of Medicine, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Korea University College of Medicine, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, CHA University School of Medicine, Seongnam, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Catholic University of Daegu School of Medicine, Daegu, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Hallym University College of Medicine, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Yonsei University College of Medicine, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Gyeongsang National University School of Medicine, Jinju, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Pusan National University School of Medicine, Busan, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, National Cancer Center, Goyang, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Chonnam National University Medical School, Hwasun, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, School of Medicine, Kyungpook National University, Daegu, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Korea Cancer Center Hospital, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Ajou University School of Medicine, Suwon, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Sungkyunkwan University School of Medicine, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Yeungnam University College of Medicine, Daegu, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Inha University School of Medicine, Incheon, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Dankook University College of Medicine, Cheonan, Korea
| | - Young-Hoon Joo
- Department of Otorhinolaryngology Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jae-Keun Cho
- Department of Otorhinolaryngology Head and Neck Surgery, Inje University College of Medicine, Busan, Korea
| | - Bon Seok Koo
- Department of Otorhinolaryngology Head and Neck Surgery, Chungnam National University School of Medicine, Daejeon, Korea
| | - Minsu Kwon
- Department of Otorhinolaryngology Head and Neck Surgery, Eulji University School of Medicine, Daejeon, Korea
| | - Seong Keun Kwon
- Department of Otorhinolaryngology Head and Neck Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Soon Young Kwon
- Department of Otorhinolaryngology Head and Neck Surgery, Korea University College of Medicine, Seoul, Korea
| | - Min-Su Kim
- Department of Otorhinolaryngology Head and Neck Surgery, CHA University School of Medicine, Seongnam, Korea
| | - Jeong Kyu Kim
- Department of Otorhinolaryngology Head and Neck Surgery, Catholic University of Daegu School of Medicine, Daegu, Korea
| | - Heejin Kim
- Department of Otorhinolaryngology Head and Neck Surgery, Hallym University College of Medicine, Seoul, Korea
| | - Innchul Nam
- Department of Otorhinolaryngology Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jong-Lyel Roh
- Department of Otorhinolaryngology Head and Neck Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Young Min Park
- Department of Otorhinolaryngology Head and Neck Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Il-Seok Park
- Department of Otorhinolaryngology Head and Neck Surgery, Hallym University College of Medicine, Seoul, Korea
| | - Jung Je Park
- Department of Otorhinolaryngology Head and Neck Surgery, Gyeongsang National University School of Medicine, Jinju, Korea
| | - Sung-Chan Shin
- Department of Otorhinolaryngology Head and Neck Surgery, Pusan National University School of Medicine, Busan, Korea
| | - Soon-Hyun Ahn
- Department of Otorhinolaryngology Head and Neck Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Seongjun Won
- Department of Otorhinolaryngology Head and Neck Surgery, Gyeongsang National University School of Medicine, Jinju, Korea
| | - Chang Hwan Ryu
- Department of Otorhinolaryngology Head and Neck Surgery, National Cancer Center, Goyang, Korea
| | - Tae Mi Yoon
- Department of Otorhinolaryngology Head and Neck Surgery, Chonnam National University Medical School, Hwasun, Korea
| | - Giljoon Lee
- Department of Otorhinolaryngology Head and Neck Surgery, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Doh Young Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Myung-Chul Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Korea Cancer Center Hospital, Seoul, Korea
| | - Joon Kyoo Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Chonnam National University Medical School, Hwasun, Korea
| | - Jin Choon Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Pusan National University School of Medicine, Busan, Korea
| | - Jae-Yol Lim
- Department of Otorhinolaryngology Head and Neck Surgery, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Won Chang
- Department of Otorhinolaryngology Head and Neck Surgery, Chungnam National University School of Medicine, Daejeon, Korea
| | - Jeon Yeob Jang
- Department of Otorhinolaryngology Head and Neck Surgery, Ajou University School of Medicine, Suwon, Korea
| | - Man Ki Chung
- Department of Otorhinolaryngology Head and Neck Surgery, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Yuh-Seok Jung
- Department of Otorhinolaryngology Head and Neck Surgery, National Cancer Center, Goyang, Korea
| | - Jae-Gu Cho
- Department of Otorhinolaryngology Head and Neck Surgery, Korea University College of Medicine, Seoul, Korea
| | - Yoon Seok Choi
- Department of Otorhinolaryngology Head and Neck Surgery, Yeungnam University College of Medicine, Daegu, Korea
| | - Jeong-Seok Choi
- Department of Otorhinolaryngology Head and Neck Surgery, Inha University School of Medicine, Incheon, Korea
| | - Guk Haeng Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Korea Cancer Center Hospital, Seoul, Korea
| | - Phil-Sang Chung
- Department of Otorhinolaryngology Head and Neck Surgery, Dankook University College of Medicine, Cheonan, Korea
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4
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Korean Society of Thyroid-Head and Neck Surgery Guideline Task Force, Ahn SH, Hong HJ, Kwon SY, Kwon KH, Roh JL, Ryu J, Park JH, Baek SK, Lee GH, Lee SY, Lee JC, Chung MK, Joo YH, Ji YB, Hah JH, Kwon M, Park YM, Song CM, Shin SC, Ryu CH, Lee DY, Lee YC, Chang JW, Jeong HM, Cho JK, Cha W, Chun BJ, Choi IJ, Choi HG, Lee KD. Guidelines for the Surgical Management of Laryngeal Cancer: Korean Society of Thyroid-Head and Neck Surgery. Clin Exp Otorhinolaryngol 2017; 10:1-43. [PMID: 28043099 PMCID: PMC5327593 DOI: 10.21053/ceo.2016.01389] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Accepted: 10/24/2016] [Indexed: 01/08/2023] Open
Abstract
Korean Society of Thyroid-Head and Neck Surgery appointed a Task Force to develop clinical practice guidelines for the surgical treatment of laryngeal cancer. This Task Force conducted a systematic search of the EMBASE, MEDLINE, Cochrane Library, and KoreaMed databases to identify relevant articles, using search terms selected according to the key questions. Evidence-based recommendations were then created on the basis of these articles. An external expert review and Delphi questionnaire were applied to reach consensus regarding the recommendations. The resulting guidelines focus on the surgical treatment of laryngeal cancer with the assumption that surgery is the selected treatment modality after a multidisciplinary discussion in any context. These guidelines do not, therefore, address non-surgical treatment such as radiation therapy or chemotherapy. The committee developed 62 evidence-based recommendations in 32 categories intended to assist clinicians during management of patients with laryngeal cancer and patients with laryngeal cancer, and counselors and health policy-makers.
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Affiliation(s)
- Korean Society of Thyroid-Head and Neck Surgery Guideline Task Force
- Department of Otorhinolaryngology Head and Neck Surgery, Seoul National University College of Medicine, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Catholic Kwandong University College of Medicine, Incheon, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Korea University College of Medicine, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Hallym University College of Medicine, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, University of Ulsan College of Medicine, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, National Cancer Center, Goyang, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Chosun University College of Medicine, Gwangju, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Korea Cancer Center Hospital, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Chung-Ang University College of Medicine, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Pusan National University School of Medicine, Busan, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Sungkyunkwan University School of Medicine, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Hanyang University College of Medicine, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Gyeongsang National University School of Medicine, Jinju, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Daejin Medical Center, Bundang Jesaeng Hospital, Seongnam, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Kyung Hee University School of Medicine, Seoul, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Chungnam National University School of Medicine, Daejeon, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Wonkwang University School of Medicine, Iksan, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Inje University College of Medicine, Busan, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Seonam University College of Medicine, Goyang, Korea
- Department of Otorhinolaryngology Head and Neck Surgery, Kosin University College of Medicine, Busan, Korea
| | - Soon-Hyun Ahn
- Department of Otorhinolaryngology Head and Neck Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Hyun Jun Hong
- Department of Otorhinolaryngology Head and Neck Surgery, Catholic Kwandong University College of Medicine, Incheon, Korea
| | - Soon Young Kwon
- Department of Otorhinolaryngology Head and Neck Surgery, Korea University College of Medicine, Seoul, Korea
| | - Kee Hwan Kwon
- Department of Otorhinolaryngology Head and Neck Surgery, Hallym University College of Medicine, Seoul, Korea
| | - Jong-Lyel Roh
- Department of Otorhinolaryngology Head and Neck Surgery, University of Ulsan College of Medicine, Seoul, Korea
| | - Junsun Ryu
- Department of Otorhinolaryngology Head and Neck Surgery, National Cancer Center, Goyang, Korea
| | - Jun Hee Park
- Department of Otorhinolaryngology Head and Neck Surgery, Chosun University College of Medicine, Gwangju, Korea
| | - Seung-Kuk Baek
- Department of Otorhinolaryngology Head and Neck Surgery, Korea University College of Medicine, Seoul, Korea
| | - Guk Haeng Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Korea Cancer Center Hospital, Seoul, Korea
| | - Sei Young Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Chung-Ang University College of Medicine, Seoul, Korea
| | - Jin Choon Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Pusan National University School of Medicine, Busan, Korea
| | - Man Ki Chung
- Department of Otorhinolaryngology Head and Neck Surgery, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Young Hoon Joo
- Department of Otorhinolaryngology Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Yong Bae Ji
- Department of Otorhinolaryngology Head and Neck Surgery, Hanyang University College of Medicine, Seoul, Korea
| | - Jeong Hun Hah
- Department of Otorhinolaryngology Head and Neck Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Minsu Kwon
- Department of Otorhinolaryngology Head and Neck Surgery, Gyeongsang National University School of Medicine, Jinju, Korea
| | - Young Min Park
- Department of Otorhinolaryngology Head and Neck Surgery, Daejin Medical Center, Bundang Jesaeng Hospital, Seongnam, Korea
| | - Chang Myeon Song
- Department of Otorhinolaryngology Head and Neck Surgery, Hanyang University College of Medicine, Seoul, Korea
| | - Sung-Chan Shin
- Department of Otorhinolaryngology Head and Neck Surgery, Pusan National University School of Medicine, Busan, Korea
| | - Chang Hwan Ryu
- Department of Otorhinolaryngology Head and Neck Surgery, National Cancer Center, Goyang, Korea
| | - Doh Young Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Korea University College of Medicine, Seoul, Korea
| | - Young Chan Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Kyung Hee University School of Medicine, Seoul, Korea
| | - Jae Won Chang
- Department of Otorhinolaryngology Head and Neck Surgery, Chungnam National University School of Medicine, Daejeon, Korea
| | - Ha Min Jeong
- Department of Otorhinolaryngology Head and Neck Surgery, Wonkwang University School of Medicine, Iksan, Korea
| | - Jae-Keun Cho
- Department of Otorhinolaryngology Head and Neck Surgery, Inje University College of Medicine, Busan, Korea
| | - Wonjae Cha
- Department of Otorhinolaryngology Head and Neck Surgery, Pusan National University School of Medicine, Busan, Korea
| | - Byung Joon Chun
- Department of Otorhinolaryngology Head and Neck Surgery, Seonam University College of Medicine, Goyang, Korea
| | - Ik Joon Choi
- Department of Otorhinolaryngology Head and Neck Surgery, Korea Cancer Center Hospital, Seoul, Korea
| | - Hyo Geun Choi
- Department of Otorhinolaryngology Head and Neck Surgery, Hallym University College of Medicine, Seoul, Korea
| | - Kang Dae Lee
- Department of Otorhinolaryngology Head and Neck Surgery, Kosin University College of Medicine, Busan, Korea
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Gupta S, Kushwaha VS, Verma S, Khan H, Bhatt MLB, Husain N, Negi MPS, Bhosale VV, Ghatak A. Understanding molecular markers in recurrent oral squamous cell carcinoma treated with chemoradiation. Heliyon 2016; 2:e00206. [PMID: 27981249 PMCID: PMC5148783 DOI: 10.1016/j.heliyon.2016.e00206] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Revised: 11/04/2016] [Accepted: 11/24/2016] [Indexed: 01/02/2023] Open
Abstract
Introduction Oral cancer accounts for approximately 2.1% of all cancers worldwide. In India, oral squamous cell carcinoma (OSCC) is the most common cancer with half a million new cases diagnosed every year. More than 50% of patients eventually develop local recurrence or metastasis usually within the first 2-years following completion of treatment. It is beneficial to analyze the prognostic significance of Cyclin D1, p53 and EGFR which are critical mediators in the pathogenesis of OSCC. The objective of this study was to assess the association of expression of these markers with recurrence and pattern of recurrence in OSCC patients undergoing chemoradiation. Materials and Methods A Total 290 OSCC cases of locally advanced stage (III, IV) oral cancer with World Health Organization (W.H.O.) performance status of grade 0/1 in the year 2009–2012 were enrolled in the study. Treatment response was assessed according to W.H.O. criteria. Cyclin D1, EGFR and p53 expression in tumor tissue was estimated by immunohistochemical (IHC) method and quantified as percentage positive nuclei. Results During the 2-years follow up, 56 (19.3%) patients recurred, out of which, 47 (83.9%) were locoregional and 9 (16.1%) distant sites. On correlating, χ2 test showed significant (P < 0.05 or P < 0.01 or P < 0.001) association of marker expressions (Cyclin D1, EGFR and p53) with recurrence. The strong positive expressions of all three markers showed significant association with early time of recurrence. The multivariate logistic regression analysis showed significant (P < 0.05 or P < 0.01 or P < 0.001) association of recurrence with primary site, differentiation, Cyclin D1 and p53 expressions indicating these as an independent predictors of recurrence in OSCC. The Cyclin D1, EGFR and p53 expressions also showed significant (P < 0.001) poor survivals (OS, DFS and RFS) in patients with positive/strong positive expressions than negative expression suggesting their prognosis in OSCC. Conclusion Our results signifies that tumors over expressing Cyclin D1, EGFR and p53 are resistant to chemoradiation and are associated with increased risk of locoregional recurrence and metastasis in OSCC patients undergoing chemoradiation.
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Affiliation(s)
- Seema Gupta
- Department of Radiotherapy, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Vandana Singh Kushwaha
- Department of Radiotherapy, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Sandeep Verma
- Department of Radiotherapy, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Huma Khan
- Department of Radiotherapy, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - M L B Bhatt
- Department of Radiotherapy, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Nuzhat Husain
- Department of Pathology, RMLIMS, Lucknow, Uttar Pradesh, India
| | - Mahendra Pal Singh Negi
- Clinical and Experimental Medicine Division, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India
| | - Vivek Vidyadhar Bhosale
- Clinical and Experimental Medicine Division, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India
| | - Ashim Ghatak
- Clinical and Experimental Medicine Division, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, India
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Gupta S, Khan H, Kushwaha VS, Husain N, Negi M, Ghatak A, Bhatt M. Impact of EGFR and p53 expressions on survival and quality of life in locally advanced oral squamous cell carcinoma patients treated with chemoradiation. Cancer Biol Ther 2016; 16:1269-80. [PMID: 26177827 DOI: 10.1080/15384047.2015.1070985] [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] [Indexed: 10/23/2022] Open
Abstract
EGFR and p53 are molecular markers which play important role in tumor progression and development. The objective of this study was to assess the association between EGFR and p53 expression and survival, and to determine whether EGFR and p53 expression levels were associated with differences quality of life in OSCC patients undergoing chemoradiation. A total of 120 OSCC patients aged 20-67 y and stage III/IV were recruited. Treatment response was assessed according to W.H.O. (1979). EGFR and p53 expression in tumor tissue was estimated by immunohistochemical (IHC) method and quantified as percentage positive nuclei. Molecular marker expressions of both EGFR and p53 were found significantly (P < 0.01 or P < 0.001) associated with overall response, survivals and quality of life. Neither EGFR nor p53 expression was associated with hematologic or non-hematologic toxicity. EGFR and p53 molecular marker expressions may have significant association with survival and QOL in OSCC patients undergoing chemoradiation.
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Affiliation(s)
- Seema Gupta
- a Department of Radiotherapy ; King George's Medical University ; Lucknow , UP , India
| | - Huma Khan
- a Department of Radiotherapy ; King George's Medical University ; Lucknow , UP , India
| | | | - Nuzhat Husain
- b Department of Pathology ; RMLIMS ; Lucknow , UP , India
| | - Mps Negi
- c Clinical and Experimental Medicine Division; CSIR-Central Drug Research Institute ; Lucknow , UP , India
| | - Ashim Ghatak
- c Clinical and Experimental Medicine Division; CSIR-Central Drug Research Institute ; Lucknow , UP , India
| | - Mlb Bhatt
- a Department of Radiotherapy ; King George's Medical University ; Lucknow , UP , India
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Kim KM, Park EJ, Yeo J, Joo YH, Cho KJ, Kim MS. Establishment of a novel human papillomavirus-negative and radiosensitive head and neck squamous cell carcinoma cell line. Head Neck 2015; 38 Suppl 1:E542-51. [PMID: 25784373 DOI: 10.1002/hed.24037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Revised: 01/14/2015] [Accepted: 03/06/2015] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND The purpose of this study was to develop a CMCSCC-1 cell line for head and neck cancer research into new therapies for head and neck squamous cell carcinoma (HNSCC). METHODS The CMCSCC-1 cell line was isolated from a primary oral tongue tumor specimen of a female patient. Tumor cells were evaluated for biomarkers expression by Western blots, reverse transcriptase-polymerase chain reaction (RT-PCR), fluorescence activated cell sorter, and immunostaining. Cell proliferation in response to radiation was measured by the WST-8 assay. RESULTS The characterization analyses revealed a typical epithelial morphology; a doubling time of approximately 24 hours, high tumorigenicity in immunodeficient mice, and upregulated biomarkers. CMCSCC-1 cells were negative for human papillomavirus (HPV) infection, but more sensitive to radiation compared with those FaDu cell lines. CONCLUSION CMCSCC-1, a novel oral tongue SCC cell line, was established. It will help in the elucidation of the molecular pathogenesis of HPV-negative radiosensitive tumors. © 2015 Wiley Periodicals, Inc. Head Neck 38: E542-E551, 2015.
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Affiliation(s)
- Kyung-Min Kim
- Department of Biomedicine and Health Science, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Republic of Korea
| | - Eun-Ji Park
- Department of POSTEC-Catholic BM Institute, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Republic of Korea
| | - Jiyoung Yeo
- Department of Anatomy, School of Medicine, Pusan National University, Yangsan City, Gyengsangnam-Do, Seoul, Republic of Korea
| | - Young-Hoon Joo
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Republic of Korea
| | - Kwang-Jae Cho
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Republic of Korea
| | - Min-Sik Kim
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Republic of Korea
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Correlation between expressions of Cyclin-D1, EGFR and p53 with chemoradiation response in patients of locally advanced oral squamous cell carcinoma. BBA CLINICAL 2014; 3:11-7. [PMID: 26675419 PMCID: PMC4661497 DOI: 10.1016/j.bbacli.2014.11.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Revised: 11/10/2014] [Accepted: 11/14/2014] [Indexed: 11/24/2022]
Abstract
Introduction Cyclin-D1, p53 and EGFR are molecular markers that regulate the cell cycle and play an important role in tumor progression and development. The present study evaluates the prognostic significance of these markers with chemoradiation response in patients of locally advanced oral squamous cell carcinoma (OSCC). Material and method A total of 97 OSCC patients (females = 19 and males = 78), aged 20–67 years and stage III/IV were recruited. Treatment response was assessed according to WHO criteria. Cyclin-D1, p53 and EGFR expressions in tumor tissue was estimated by immunohistochemical (IHC) method and quantified as percentage positive nuclei. Results The positive expression rates of molecular markers were 86.6% for Cyclin-D1, 92.8% for EGFR and 85.6% for p53. The strong positive expressions of both Cyclin-D1 and p53 showed significant association with poor response. The Cox multivariate regression analysis showed coexpressions of Cyclin-D1 and p53 a significant and independent predictor of overall survival (OR = 1.90, 95% CI = 1.45–4.82, p = 0.046) after adjusting the demographic, clinicopathological and radiological response. The strong positive expressions of Cyclin-D1 and p53 and coexpressions of Cyclin-D1, EGFR and p53 showed significant (p < 0.05 or p < 0.01 or p < 0.001) and lower survival as compared to negative or moderate positive expressions and coexpressions, respectively. Conclusion Expressions and coexpressions of Cyclin-D1 and p53 may serve as a prognostic marker in OSCC patients. Cyclin-D1, p53 and EGFR are molecular markers that regulate the cell cycle. Coexpressions of Cyclin-D1, EGFR & p53 serve as prognostic marker in advanced OSCC. p53 alone may serve as prognostic marker in patients of locally advanced OSCC.
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Um SH, Mundi N, Yoo J, Palma DA, Fung K, MacNeil D, Wehrli B, Mymryk JS, Barrett JW, Nichols AC. Variable expression of the forgotten oncogene E5 in HPV-positive oropharyngeal cancer. J Clin Virol 2014; 61:94-100. [PMID: 25027574 DOI: 10.1016/j.jcv.2014.06.019] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2014] [Revised: 06/19/2014] [Accepted: 06/20/2014] [Indexed: 01/25/2023]
Abstract
BACKGROUND The role of the HPV E6/E7 oncogenes in head and neck squamous cell cancer (HNSCC) has been studied extensively, but the role of the viral E5 protein remains poorly understood. Studies in cervical cancer indicate that E5 increases epidermal growth factor receptor (EGFR) recycling to the cell surface and enhances growth factor signal transduction. OBJECTIVE This study was designed to examine the relationship between HPV E5, EGFR, and survival in HPV-positive HNSCC. STUDY DESIGN A retrospective search of the London Health Sciences Centre pathology database was performed to identify oropharyngeal cancer samples. HPV E5 and EGFR expression was measured by reverse transcriptase real-time PCR. RESULTS The majority of oropharyngeal tumor samples (59/82, 72%) were HPV-16 positive. Among the HPV-positive tumors, highly variable E5 expression was detected from early polycistronic transcripts. Tumors with high E5 expression levels had significantly higher EGFR levels (p=0.03). High E5 levels were correlated with improved recurrence-free survival, but not overall survival (p=0.02 and 0.71, respectively), whereas high EGFR was strongly associated with decreased recurrence-free and overall survival (p<0.001 and 0.006 respectively). Multivariate analysis revealed E5 and EGFR to be the strongest predictors of recurrence-free survival (p<0.01). CONCLUSIONS HPV E5-encoded transcripts are variably expressed in HPV-positive HNSCC and this is correlated with EGFR expression in HPV-positive OPC. However, E5 and EGFR independently predict recurrence-free survival in opposing manners. These findings require further validation to determine if E5 and EGFR are useful biomarkers to stratify treatment intensity for patients with HPV-positive HNSCC.
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Affiliation(s)
- Sung Ho Um
- Department of Otolaryngology Head & Neck Surgery, The University of Western Ontario, London, Ontario, Canada
| | - Neil Mundi
- Department of Otolaryngology Head & Neck Surgery, The University of Western Ontario, London, Ontario, Canada
| | - John Yoo
- Department of Otolaryngology Head & Neck Surgery, The University of Western Ontario, London, Ontario, Canada; London Regional Cancer Program, London, Ontario, Canada; Department of Oncology, The University of Western Ontario, London, Ontario, Canada
| | - David A Palma
- London Regional Cancer Program, London, Ontario, Canada; Lawson Health Research Institute, London, Ontario, Canada; Department of Oncology, The University of Western Ontario, London, Ontario, Canada
| | - Kevin Fung
- Department of Otolaryngology Head & Neck Surgery, The University of Western Ontario, London, Ontario, Canada; London Regional Cancer Program, London, Ontario, Canada; Department of Oncology, The University of Western Ontario, London, Ontario, Canada
| | - Danielle MacNeil
- Department of Otolaryngology Head & Neck Surgery, The University of Western Ontario, London, Ontario, Canada; London Regional Cancer Program, London, Ontario, Canada; Department of Oncology, The University of Western Ontario, London, Ontario, Canada
| | - Bret Wehrli
- Department of Pathology, The University of Western Ontario, London, Ontario, Canada
| | - Joe S Mymryk
- London Regional Cancer Program, London, Ontario, Canada; Lawson Health Research Institute, London, Ontario, Canada; Department of Oncology, The University of Western Ontario, London, Ontario, Canada; Department of Microbiology and Immunology, The University of Western Ontario, London, Ontario, Canada
| | - John W Barrett
- Department of Otolaryngology Head & Neck Surgery, The University of Western Ontario, London, Ontario, Canada; London Regional Cancer Program, London, Ontario, Canada; Lawson Health Research Institute, London, Ontario, Canada; Department of Oncology, The University of Western Ontario, London, Ontario, Canada
| | - Anthony C Nichols
- Department of Otolaryngology Head & Neck Surgery, The University of Western Ontario, London, Ontario, Canada; London Regional Cancer Program, London, Ontario, Canada; Lawson Health Research Institute, London, Ontario, Canada; Department of Oncology, The University of Western Ontario, London, Ontario, Canada; Department of Pathology, The University of Western Ontario, London, Ontario, Canada.
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Doğan M, Çağlı S, Yüce İ, Bayram A, Somdaş MA, Karataş D, Cihan MC, Yüksel F, Güney E. Survivin expression correlates with nodal metastasis in T1-T2 squamous cell carcinoma of the tongue. Eur Arch Otorhinolaryngol 2014; 272:689-94. [PMID: 24676727 DOI: 10.1007/s00405-014-3009-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2013] [Accepted: 03/11/2014] [Indexed: 02/06/2023]
Abstract
In this study, the correlation between neck metastasis and recurrence was investigated by studying specimens of tongue squamous cell carcinoma patients immunohistochemical with survivin antibodies in the primary biopsy. A retrospective review was conducted at the Academic University Hospital. 46 patients who had squamous cell carcinoma of the tongue, who underwent various types of glossectomy and neck dissections between 1991 and 2008, were evaluated. The patient's sex, TNM staging, differentiation and recurrence rates were analyzed. There were 20 T1 patients and 26 T2 patients; 27 of the patients were N0 and 19 had metastatic lymph nodes in the neck. Survivin antibodies were applied with streptavidin-biotin method to the sections that were prepared from the primary tumor biopsy specimens of the patients. The correlation between neck metastasis and recurrence and survivins' immunohistochemical staining was analyzed with statistical methods. There were no significant differences between the patient's age, sex, tumor's T stage, tumor differentiation and survivin staining density. Survivin staining was positive in 15 (79 %) of 19 patients with neck metastasis, while it was positive in 16 (59 %) of 27 patients without neck metastasis. Eleven (79 %) of the 14 patients who had recurrence and all 6 patients who had neck recurrence only were stained by survivin. Expression of nuclear and cytoplasmic survivin can be a useful marker for predicting cervical lymph node metastasis in T1-T2 tumors in tongue SCC.
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Affiliation(s)
- Murat Doğan
- Research and Traınıng Hospital, Kayseri, Turkey,
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11
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Simo R, Bradley P, Chevalier D, Dikkers F, Eckel H, Matar N, Peretti G, Piazza C, Remacle M, Quer M. European Laryngological Society: ELS recommendations for the follow-up of patients treated for laryngeal cancer. Eur Arch Otorhinolaryngol 2014; 271:2469-79. [PMID: 24609733 DOI: 10.1007/s00405-014-2966-x] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2011] [Accepted: 02/13/2014] [Indexed: 11/30/2022]
Abstract
It is accepted that the follow-up of patients who had treatment for laryngeal cancer is a fundamental part of their care. The reasons of post-treatment follow-up include evaluation of treatment response, early identification of recurrence, early detection of new primary tumours, monitoring and management of complications, optimisation of rehabilitation, promotion smoking and excessive alcohol cessation, provision of support to patients and their families, patient counselling and education. Controversies exist in how these aims are achieved. Increasing efforts are being made to rationalise the structure and timing of head and neck cancer follow-up clinics. The aim of this document is to analyse the current evidence for the need to follow up patients who have been treated for LC and provide an up to date, evidence-based statement which is meaningful and applicable to all European Health Care Systems. A working group of the Head and Neck Cancer Committee of the ELS was constituted in 2009. A review of the current published literature on the management and follow-up of laryngeal cancer was undertaken and statements are made based on critical appraisal of the literature and best current evidence. Category recommendations were based on the Oxford Centre for Evidence-Based Medicine. Statements include: length, frequency, setting, type of health professional, clinical assessment, screening investigations, patient's education, second primary tumours, and mode of treatment considerations including radiotherapy, chemo-radiation therapy, transoral surgery and open surgery. It also addresses specific recommendations regarding patients with persistent pain, new imaging techniques, tumour markers and narrow band imaging.
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Affiliation(s)
- Ricard Simo
- Department of Otorhinolaryngology Head and Neck Surgery, Guy's and St Thomas' Hospital NHS Foundation Trust, London, UK,
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Mwololo A, Nyagol J, Rogena E, Ochuk W, Kimani M, Onyango N, Pacenti L, Santopietro R, Leoncini L, Mwanda W. Correlation of EGFR, pEGFR and p16INK4 expressions and high risk HPV infection in HIV/AIDS-related squamous cell carcinoma of conjunctiva. Infect Agent Cancer 2014; 9:7. [PMID: 24572046 PMCID: PMC3996052 DOI: 10.1186/1750-9378-9-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2013] [Accepted: 02/11/2014] [Indexed: 12/17/2022] Open
Abstract
Background Squamous cell carcinoma of conjunctiva has increased tenfold in the era of HIV/AIDS. The disease pattern has also changed in Africa, affecting young persons, with peak age-specific incidence of 30-39 years, similar to that of Kaposi sarcoma, a well known HIV/AIDS defining neoplasm. In addition, the disease has assumed more aggressive clinical course. The contributing role of exposure to high risk HPV in the development of SCCC is still emerging. Objective The present study aimed to investigate if immunohistochemical expressions of EGFR, pEGFR and p16, could predict infection with high risk HPV in HIV-related SCCC. Methods FFPE tissue blocks of fifty-eight cases diagnosed on hematoxylin and eosin with SCCC between 2005-2011, and subsequently confirmed from medical records to be HIV positive at the department of human pathology, UoN/KNH, were used for the study. Immunohistochemistry was performed to assess the expressions of p16INK4A, EGFR and pEGFR. This was followed with semi-nested PCR based detection and sequencing of HPV genotypes. The sequences were compared with the GenBank database, and data analyzed for significant statistical correlations using SPSS 16.0. Ethical approval to conduct the study was obtained from KNH-ERC. Results Out of the fifty-eight cases of SCCC analyzed, twenty-nine (50%) had well differentiated (grade 1), twenty one (36.2%) moderately differentiated (grade 2) while eight (13.8%) had poorly differentiated (grade 3) tumours. Immunohistochemistry assay was done in all the fifty eight studied cases, of which thirty nine cases (67.2%) were positive for p16INK4A staining, forty eight cases (82.8%) for EGFR and fifty one cases (87.9%) showed positivity for p-EGFR. HPV DNA was detected in 4 out of 40 SCCC cases (10%) in which PCR was performed, with HPV16 being the only HPV sub-type detected. Significant statistical association was found between HPV detection and p16INK4 (p=0.000, at 99% C.I) and EGFR (p=0.028, at 95% C.I) expressions, but not pEGFR. In addition, the expressions of these biomarkers did not show any significant association with tumor grades. Conclusion This study points to an association of high risk HPV with over expressions of p16INK4A and EGFR proteins in AIDS-associated SCCC.
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Affiliation(s)
| | - Joshua Nyagol
- Department of Human Pathology, University of Nairobi, Nairobi, Kenya.
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Loss of Heterozygosities in Five Tumor Suppressor Genes (FHIT Gene, p16, pRb, E-Cadherin and p53) in Thyroid Tumors. Clin Exp Otorhinolaryngol 2014; 7:53-8. [PMID: 24587882 PMCID: PMC3932350 DOI: 10.3342/ceo.2014.7.1.53] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2013] [Revised: 04/02/2013] [Accepted: 04/29/2013] [Indexed: 11/08/2022] Open
Abstract
Objectives To evaluate the loss of heterozygosities (LOH) of chromosomes 3p14 (FHIT gene), 9p21 (p16), 13q21 (pRb), 6q22 (E-cadherin) and 17p13 (p53) in various thyroid tumors. Methods Eighty thyroid tumor cases (20 follicular adenomas, 10 follicular carcinomas, and 50 papillary carcinomas) have been analyzed for the presence of LOH in chromosomes 3p14, 9p21, 13q21, 6q22, and 17p13 allelic loss, using microsatellite markers and DNA obtained from formalin-fixed paraffin-embedded archival tissues. Results LOH on 3p14 was found in 10.5%, 33.3%, and 30.4% of follicular adenomas, follicular carcinomas, and papillary carcinomas, respectively. LOH on 9p21 was detected in 6%, 44.4%, and 47.8%, respectively. LOH on pRb gene was found in 5.3%, 20.0%, and 35.4%, respectively. LOH on E-cadherin gene was found in 5.3%, 22.2%, and 43.8%, respectively. LOH on 17p13 was detected in 0%, 40%, and 45.8%, respectively. LOH in FHIT gene, p16, pRb, E-cadherin, and p53 genes were more frequently identified in follicular carcinoma and papillary carcinoma than in follicular adenoma. Conclusion LOH results of the five tumor suppressor genes (FHIT gene, p16, pRb, E-cadherin, and p53) showed statistical differences between benign tumor and malignant tumor. Among papillary carcinoma, LOH in p16, E-cadherin and p53 genes well correlated with poorly differentiated grade, and LOH of E-cadherin was associated with lymph node metastasis.
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Establishment and characterization of a novel HPV-negative laryngeal squamous cell carcinoma cell line, FD-LSC-1, with missense and nonsense mutations of TP53 in the DNA-binding domain. Cancer Lett 2013; 342:92-103. [PMID: 24001612 DOI: 10.1016/j.canlet.2013.08.041] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2013] [Revised: 08/20/2013] [Accepted: 08/24/2013] [Indexed: 11/20/2022]
Abstract
Laryngeal squamous cell carcinoma (LSCC) is a common malignancy in China; however, publically available LSCC cell lines are few and not established from Chinese populations. Hence, novel and well-characterized LSCC cell lines of Chinese origin are urgently needed to provide researchers with a comprehensive database for LSCC research. From 40 cases of LSCC, we established a novel cell line that was maintained for more than 100 passages in vitro and was found to have typical epithelial morphology and ultrastructure. In-depth characterization analysis revealed polyploidy in DNA content; a doubling time of some 24h; high tumorigenicity in immunodeficient mice; higher invasive potential and more sensitive to radiation and cisplatin compared with HeLa cell line; upregulated Ki67, Notch1, EGFR, and CK5 protein levels; negative infection of human papillomavirus (HPV) and mycoplasma; expression of head and neck squamous cell carcinoma (HNSCC) biomarkers; mutations of TP53 in exons 5 and 8; a near-triploid karyotype with complex structural aberrations; and dozens of dysregulated genes and miRNAs. Cell authentication testing by the American Type Culture Collection (ATCC) confirmed the human origin of this cell line. Our findings indicate that a novel and well-differentiated LSCC cell line recapitulating the primary tumor's malignant characteristics is established and well characterized. It does not match any cell lines within the ATCC database and helps to elucidate the molecular pathogenesis of LSCC.
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Loo S, Geropantas K, Roques T. Functional Organ Preservation in Locally Advanced Laryngeal Squamous Cell Carcinoma: Is there a Role for Induction Chemotherapy? Clin Oncol (R Coll Radiol) 2013; 25:298-307. [DOI: 10.1016/j.clon.2012.12.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2012] [Revised: 10/30/2012] [Accepted: 10/31/2012] [Indexed: 11/30/2022]
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Hunt JL, Barnes L, Lewis JS, Mahfouz ME, Slootweg PJ, Thompson LDR, Cardesa A, Devaney KO, Gnepp DR, Westra WH, Rodrigo JP, Woolgar JA, Rinaldo A, Triantafyllou A, Takes RP, Ferlito A. Molecular diagnostic alterations in squamous cell carcinoma of the head and neck and potential diagnostic applications. Eur Arch Otorhinolaryngol 2013; 271:211-23. [PMID: 23467835 DOI: 10.1007/s00405-013-2400-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2013] [Accepted: 02/07/2013] [Indexed: 12/12/2022]
Abstract
Head and neck squamous cell carcinoma (HNSCC) is a common malignancy that continues to be difficult to treat and cure. In many organ systems and tumor types, there have been significant advances in the understanding of the molecular basis for tumorigenesis, disease progression and genetic implications for therapeutics. Although tumorigenesis pathways and the molecular etiologies of HNSCC have been extensively studied, there are still very few diagnostic clinical applications used in practice today. This review discusses current clinically applicable molecular markers, including viral detection of Epstein-Barr virus and human papillomavirus, and molecular targets that are used in diagnosis and management of HNSCC. The common oncogenes EGFR, RAS, CCND1, BRAF, and PIK3CA and tumor suppressor genes p53, CDKN2A and NOTCH are discussed for their associations with HNSCC. Discussion of markers with potential future applications is also included, with a focus on molecular alterations associated with targeted therapy resistance.
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Affiliation(s)
- Jennifer L Hunt
- Department of Pathology and Laboratory Services, College of Medicine, University of Arkansas for Medical Sciences, Arkansas, USA
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Rainsbury JW, Ahmed W, Williams HK, Roberts S, Paleri V, Mehanna H. Prognostic biomarkers of survival in oropharyngeal squamous cell carcinoma: systematic review and meta-analysis. Head Neck 2012; 35:1048-55. [PMID: 22997051 DOI: 10.1002/hed.22950] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Human papillomavirus (HPV) positivity improves prognosis in patients with oropharyngeal squamous cell carcinoma (OPSCC). Combining HPV status with other biomarkers may improve its prognostic power. METHODS The approach was a literature search for longitudinal studies of biomarkers in OPSCC, with systematic review and meta-analysis. RESULTS In all, 3130 articles were identified; 32 satisfied the inclusion and exclusion criteria. On meta-analysis, there was a significant overall survival (OS) benefit for patients with HPV positive and p16 positive tumors. There was some evidence of improved OS of OPSCC patients with raised bcl2; amplification of 11q3 and loss of 16q genes; and low c-met, ki67, IMD, PLK, FHIT, nuclear surviving, or nuclear cyclin D1. However, none of these was suitable for meta-analysis. CONCLUSION Survival from OPSCC is associated with several biomarkers, which constitute potential targets for research into improving the prognostic power of HPV in OPSCC. Larger trials are needed, with standardization of cut-points and adherence to consensus reporting guidelines.
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Affiliation(s)
- James W Rainsbury
- Institute of Head and Neck Studies and Education (InHANSE), University Hospital, Coventry, United Kingdom
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l-DOPA Decarboxylase (DDC) Expression Status as a Novel Molecular Tumor Marker for Diagnostic and Prognostic Purposes in Laryngeal Cancer. Transl Oncol 2012; 5:288-96. [PMID: 22937181 DOI: 10.1593/tlo.12223] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2012] [Revised: 07/03/2012] [Accepted: 07/04/2012] [Indexed: 12/22/2022] Open
Abstract
l-DOPA decarboxylase (DDC) plays an essential role in the enzymatic synthesis of dopamine and alterations in its gene expression have been reported in several malignancies. Our objective was to analyze DDC messenger RNA (mRNA) and protein expression in laryngeal tissues and to evaluate the clinical implication of this molecule in laryngeal cancer. In this study, total RNA was isolated from 157 tissue samples surgically removed from 100 laryngeal cancer patients. A highly sensitive real-time polymerase chain reaction methodology based on SYBR Green I fluorescent dye was developed for the quantification of DDC mRNA levels. In addition, Western blot analysis was performed for the detection of DDC protein. DDC mRNA expression was revealed to be significantly downregulated in primary laryngeal cancer samples compared with their nonmalignant counterparts (P = .001). A significant negative association was also disclosed between DDC mRNA levels and TNM staging (P = .034). Univariate analysis showed that patients bearing DDC-positive tumors had a significantly decreased risk of death (hazard ratio = 0.23, P = .012) and local recurrence (hazard ratio = 0.32, P =.006), whereas DDC expression retained its favorable prognostic significance in the multivariate analysis. Kaplan-Meier curves further demonstrated that DDC-positive patients experienced longer overall and disease-free survival periods (P = .006 and P = .004, respectively). Moreover, DDC protein was detected in both neoplastic and noncancerous tissues. Therefore, our results suggest that DDC expression status could qualify as a promising biomarker for the future clinical management of laryngeal cancer patients.
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Abstract
NSP 5a3a is a novel structural protein found to be over-expressed in certain cancer cell lines in-vitro such as Hela, Saos-2, and MCF-7 while barely detectable levels in normal body tissues except for Testis. This particular isoform has been known to interact with cyto- nuclear proteins B23, known to be involved in multi-faceted cellular processes such as cell division, apoptosis, ribosome biogenesis, and rRNA processing, as well as with hnRNP-L, known to be involved with RNA metabolism and rRNA processing. A previous preliminary investigation of NSP 5a3a as a potential target in Head and Neck Carcinoma revealed a novel p73 dependent mechanism through which NSP 5a3a induced apoptosis in Head and Neck cell lines when over-expressed in-vitro. Our present investigation further elucidated a novel dual axis signaling point by which NSP 5a3a induces apoptosis in Head and Neck cell line HN30 through p73-DAXX and TRAF2-TRADD. Interestingly, this novel mechanism appears independent of canonical caspases involved in the intrinsic mitochondrial pathway as well as those in the death receptor pathway thru TRAF2 and TRADD.
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Rasamny JJ, Allak A, Krook KA, Jo VY, Policarpio-Nicolas ML, Sumner HM, Moskaluk CA, Frierson HF, Jameson MJ. Cyclin D1 and FADD as biomarkers in head and neck squamous cell carcinoma. Otolaryngol Head Neck Surg 2012; 146:923-31. [PMID: 22323434 DOI: 10.1177/0194599811435052] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE Cyclin D1 and FADD (Fas-associated protein with death domain) regulate the cell cycle and apoptosis, respectively, and are located on chromosome 11q13, which is frequently amplified in head and neck squamous cell carcinoma (HNSCC). This study evaluates these proteins as predictors of clinical outcomes for HNSCC. STUDY DESIGN Historical cohort study. SETTING Academic tertiary care center. SUBJECTS Two hundred twenty-two patients with upper aerodigestive HNSCC. RESULTS Patients with tumors that were strongly positive for cyclin D1 and FADD had reduced overall (OS; P = .003 and P < .001), disease-specific (DSS; P = .039 and P < .001), and disease-free (DFS; P = .026 and P < .001) survival, respectively. Together, the 2 markers effectively stratified OS (P < .001), DSS (P < .001), and DFS (P = .002). Strong FADD staining correlated with greater alcohol consumption and varied significantly with primary tumor site: 56% of hypopharynx tumors expressed high levels of FADD but only 7% of glottis tumors. Using Cox regression analysis, FADD and N stage were significant independent predictors of DSS and DFS, whereas cyclin D1, FADD, and N stage were independently significant for OS. CONCLUSION Cyclin D1 and FADD may have utility as predictors of long-term outcomes for patients with HNSCC. Further study is needed to determine if these proteins predict response to different treatment approaches or assist in selecting patients for multimodality therapy.
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Affiliation(s)
- Jk J Rasamny
- Department of Otolaryngology-Head and Neck Surgery, University of Virginia Health System, Charlottesville, Virginia 22908-0713, USA
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Mirisola V, Mora R, Esposito AI, Guastini L, Tabacchiera F, Paleari L, Amaro A, Angelini G, Dellepiane M, Pfeffer U, Salami A. A prognostic multigene classifier for squamous cell carcinomas of the larynx. Cancer Lett 2011; 307:37-46. [PMID: 21481529 DOI: 10.1016/j.canlet.2011.03.013] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2010] [Revised: 01/28/2011] [Accepted: 03/17/2011] [Indexed: 10/18/2022]
Abstract
Survival after diagnosis of laryngeal cancer has not improved over the last 20 years. Selection of patients for radio- and chemotherapy or surgery or follow-up strategies based on a prognostic classifier could improve survival without unduly extending radical surgery. We performed microarray gene expression analysis and developed a four-gene classifier for laryngeal cancer using Prediction Analysis of Microarray and leave-one-out cross validation. A four-gene classifier containing the non-coding gene H19, the histone HIST1H3F and the two small nucleolar RNAs, SNORA16A and SNORD14C was developed that assigns cases to low and high risk classes. The high risk class has a relative risk of 6.5 (CI=1.817-23.258, Fisher exact test p<0.0001). The maternally imprinted gene H19 is the top classifier gene.
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Affiliation(s)
- Valentina Mirisola
- Integrated Molecular Pathology, National Cancer Research Institute, Genova, Italy
| | - Renzo Mora
- ENT Department, University of Genova, Italy
| | | | | | - Flavia Tabacchiera
- Integrated Molecular Pathology, National Cancer Research Institute, Genova, Italy
| | - Laura Paleari
- Integrated Molecular Pathology, National Cancer Research Institute, Genova, Italy
| | - Adriana Amaro
- Integrated Molecular Pathology, National Cancer Research Institute, Genova, Italy
| | - Giovanna Angelini
- Integrated Molecular Pathology, National Cancer Research Institute, Genova, Italy
| | | | - Ulrich Pfeffer
- Integrated Molecular Pathology, National Cancer Research Institute, Genova, Italy.
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22
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Lee SH, Lee NH, Jin SM, Rho YS, Jo SJ. Loss of Heterozygosity of Tumor Suppressor Genes (p16, Rb, E-cadherin, p53) in Hypopharynx Squamous Cell Carcinoma. Otolaryngol Head Neck Surg 2011; 145:64-70. [DOI: 10.1177/0194599811401327] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Objective. Microsatellite alterations, especially those that cause loss of heterozygosity (LOH), have recently been postulated as a novel mechanism of carcinogenesis and a useful prognostic factor in many kinds of malignant tumors. However, few studies have focused on a specific site, hypopharynx. The aim of this study was to evaluate the relationship between LOH and hypopharyngeal squamous cell carcinoma (HPSCC). Study Design. Laboratory-based study. Setting. Integrated health care system. Subjects and Methods. Matched normal and cancerous tissues from 30 patients with HPSCC were examined for LOH in 4 tumor suppressor genes (TSGs) (p16, Rb, E-cadherin, and p53) at loci 9p21, 13q21, 6q22, and 17p13, respectively, using microsatellite markers amplified by polymerase chain reaction. The results for each loci were compared with clinicopathological features. Results. Among the 30 cases, 26 (86.7%) exhibited LOH, with the most common alteration being LOH at p53 (52.6%). Significantly higher rates of LOH detection were seen in Rb, p53, and the LOH-high group (cases where 2 or more loci with LOH were found) in cases of lymph node metastasis. Compared with stage I and II carcinoma, tumors of stages III and IV had significantly higher frequencies of LOH in Rb, p53, and the LOH-high group. However, the presence of LOH was not significantly correlated with survival. Conclusion. These results suggest that LOH in TSGs such as Rb and p53 may contribute to the development and progression of HPSCC. The presence of LOH in the primary tumor may also be predictive of lymph node metastasis.
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Affiliation(s)
- Sang-Hyuk Lee
- Department of Otorhinolaryngology–Head & Neck Surgery, Sungkyunkwan University School of Medicine, Kangbuk Samsung Hospital, Seoul, Korea
| | - Nam-Hoon Lee
- Department of Otorhinolaryngology–Head & Neck Surgery, Sungkyunkwan University School of Medicine, Kangbuk Samsung Hospital, Seoul, Korea
| | - Sung-Min Jin
- Department of Otorhinolaryngology–Head & Neck Surgery, Sungkyunkwan University School of Medicine, Kangbuk Samsung Hospital, Seoul, Korea
| | - Young-Soo Rho
- Department of Otorhinolaryngology–Head & Neck Surgery, Hallym University College of Medicine, Ilsong Memorial Institute of Head and Neck Cancer, Seoul, Korea
| | - Sung-Jin Jo
- Department of Pathology, Hallym University College of Medicine, Ilsong Memorial Institute of Head and Neck Cancer, Seoul, Korea
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Williamson SK, Moon J, Huang CH, Guaglianone PP, LeBlanc M, Wolf GT, Urba SG. Phase II evaluation of sorafenib in advanced and metastatic squamous cell carcinoma of the head and neck: Southwest Oncology Group Study S0420. J Clin Oncol 2010; 28:3330-5. [PMID: 20498388 DOI: 10.1200/jco.2009.25.6834] [Citation(s) in RCA: 84] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
PURPOSE We conducted a phase II trial to evaluate the efficacy and safety of single-agent sorafenib in chemotherapy-naïve patients with metastatic or recurrent squamous cell carcinoma of the head and neck (SCCHN). The primary end point was response probability (ie, confirmed complete and partial response [PR]). PATIENTS AND METHODS Chemotherapy-naïve patients with metastatic, persistent, or recurrent SCCHN who received one induction or fewer or received an adjuvant chemotherapy regimen, who had adequate organ function, and who had a performance status <or= 1 were eligible. Sorafenib was administered orally at 400 mg twice daily on a continuous basis in 28-day cycles. Responses were evaluated according to RECIST (Response Evaluation Criteria in Solid Tumors). RESULTS Sorafenib was generally well tolerated. Of the 41 eligible patients assessed for adverse events, one experienced a grade 4 adverse event as a result of an asymptomatic pulmonary embolus. The most common grades 2 to 3 adverse events were fatigue, anorexia, stomatitis/oral pain, abdominal pain, hand-foot syndrome, weight loss, and hypertension. There was one confirmed PR and two unconfirmed PRs. The estimated confirmed response probability was 2% (95% CI, 0% to 13%). The estimated median progression-free survival was 4 months (95% CI, 2 to 4 months), and the estimated median overall survival was 9 months (95% CI, 7 to 14 months). CONCLUSION Sorafenib was well tolerated. Although response was poor, progression-free and overall survival times compare favorably with previous Southwest Oncology Group, phase II, single-agent trials.
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Affiliation(s)
- Stephen K Williamson
- University of Kansas Cancer Center, Hematology/Oncology Division, Westwood, KS 66205, USA.
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Simionato AVC, Carrilho E, Maggi Tavares MF. CE-MS and related techniques as a valuable tool in tumor biomarkers research. Electrophoresis 2010; 31:1214-1226. [DOI: 10.1002/elps.200900671] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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25
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Current world literature. Curr Opin Otolaryngol Head Neck Surg 2010; 18:134-45. [PMID: 20234215 DOI: 10.1097/moo.0b013e3283383ef9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Liebertz DJ, Lechner MG, Masood R, Sinha UK, Han J, Puri RK, Correa AJ, Epstein AL. Establishment and characterization of a novel head and neck squamous cell carcinoma cell line USC-HN1. HEAD & NECK ONCOLOGY 2010; 2:5. [PMID: 20175927 PMCID: PMC2841166 DOI: 10.1186/1758-3284-2-5] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2010] [Accepted: 02/22/2010] [Indexed: 01/09/2023]
Abstract
Background Head and neck squamous cell carcinoma (HNSCC) is an aggressive and lethal malignancy. Publically available cell lines are mostly of lingual origin, or have not been carefully characterized. Detailed characterization of novel HNSCC cell lines is needed in order to provide researchers a concrete keystone on which to build their investigations. Methods The USC-HN1 cell line was established from a primary maxillary HNSCC biopsy explant in tissue culture. The immortalized cells were then further characterized by heterotransplantation in Nude mice; immunohistochemical staining for relevant HNSCC biomarkers; flow cytometry for surface markers; cytogenetic karyotypic analysis; human papillomavirus and Epstein-Barr virus screening; qRT-PCR for oncogene and cytokine analysis; investigation of activated, cleaved Notch1 levels; and detailed 35,000 gene microarray analysis. Results Characterization experiments confirmed the human HNSCC origin of USC-HN1, including a phenotype similar to the original tumor. Viral screening revealed no HPV or EBV infection, while western blotting displayed significant upregulation of activated, cleaved Notch1. Conclusions USC-HN1, a novel immortalized cell line has been derived from a maxillary HNSCC. Characterization studies have shown that the cell line is of HNSCC origin and displays many of the same markers previously reported in the literature. USC-HN1 is available for public research and will further the investigation of HNSCC and the development of new therapeutic modalities.
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Affiliation(s)
- Daniel J Liebertz
- Department of Pathology, Keck School of Medicine of the University of Southern California, Los Angeles, CA 90033, USA
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Badoual C, Péré H, Cros J, Roussel H. [Head and neck squamous cell carcinoma: What's new in 2009]. Ann Pathol 2009; 29:265-73. [PMID: 19900632 DOI: 10.1016/j.annpat.2009.07.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2009] [Accepted: 07/22/2009] [Indexed: 11/26/2022]
Abstract
Classical epidermoid carcinoma is the most frequent head and neck malignant neoplasm. Some particular variants are nevertheless of interest as they harbor a different prognosis, require specific care management and may arise from an alternate oncogenesis path. Best examples are verrucous carcinoma, basal-like or spindle cell carcinoma. Recent studies pointed out the critical role of infection with oncogenic HPV strains in the development of these carcinomas, especially in the oropharynx. In addition, HPV infection is changing the epidemiological profile of these cancers seems to have a prognostic value. New targeted therapies and prognostic markers will be discussed as they may dramatically improve the outcome of these tumors.
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Affiliation(s)
- Cécile Badoual
- Service d'anatomie et de cytologie pathologiques, hôpital européen Georges-Pompidou, 20-40, rue Leblanc, 75015 Paris, France.
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