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Stratified squamous

Liv Reidun Tverelv, Sveinung Wergeland Sørbye, Finn Egil Skjeldestad
OBJECTIVE: The Norwegian Cervical Cancer Screening Programme recommends follow-up of histologically confirmed normal/cervical intraepithelial neoplasia (CIN) 1 with combined cytology and human papillomavirus testing within 6 to 12 months. This study examines adherence to guidelines and subsequent risk for CIN 3+ within this subset of women. MATERIALS AND METHODS: Women aged 25 to 69 years attending the Norwegian Cervical Cancer Screening Programme in Norway's 2 northernmost counties were included...
March 14, 2018: Journal of Lower Genital Tract Disease
Marie C Matrka, Katherine A Cimperman, Sarah R Haas, Geraldine Guasch, Lisa A Ehrman, Ronald R Waclaw, Kakajan Komurov, Adam Lane, Kathryn A Wikenheiser-Brokamp, Susanne I Wells
Esophageal cancer occurs as either squamous cell carcinoma (ESCC) or adenocarcinoma. ESCCs comprise almost 90% of cases worldwide, and recur with a less than 15% five-year survival rate despite available treatments. The identification of new ESCC drivers and therapeutic targets is critical for improving outcomes. Here we report that expression of the human DEK oncogene is strongly upregulated in esophageal SCC based on data in the cancer genome atlas (TCGA). DEK is a chromatin-associated protein with important roles in several nuclear processes including gene transcription, epigenetics, and DNA repair...
March 14, 2018: PLoS Genetics
Linda X Yin, Gypsyamber D'Souza, William H Westra, Steven J Wang, Annemieke van Zante, Yuehan Zhang, Eleni M Rettig, William R Ryan, Patrick K Ha, Alicia Wentz, Wayne Koch, David W Eisele, Carole Fakhry
OBJECTIVES/HYPOTHESIS: Human papillomavirus (HPV)-positive and HPV-negative oropharyngeal squamous cell carcinoma (OPSCC) are distinct disease entities. Prognostic factors specific to each entity have not been adequately explored. Goals for this study were: 1) to determine whether HPV-positive and HPV-negative OPSCCs have distinct prognostic factors, and 2) to explore the prognostic significance of sex and race in OPSCC after HPV stratification STUDY DESIGN: Retrospective case series...
March 14, 2018: Laryngoscope
Julie George, Vonn Walter, Martin Peifer, Ludmil B Alexandrov, Danila Seidel, Frauke Leenders, Lukas Maas, Christian Müller, Ilona Dahmen, Tiffany M Delhomme, Maude Ardin, Noemie Leblay, Graham Byrnes, Ruping Sun, Aurélien De Reynies, Anne McLeer-Florin, Graziella Bosco, Florian Malchers, Roopika Menon, Janine Altmüller, Christian Becker, Peter Nürnberg, Viktor Achter, Ulrich Lang, Peter M Schneider, Magdalena Bogus, Matthew G Soloway, Matthew D Wilkerson, Yupeng Cun, James D McKay, Denis Moro-Sibilot, Christian G Brambilla, Sylvie Lantuejoul, Nicolas Lemaitre, Alex Soltermann, Walter Weder, Verena Tischler, Odd Terje Brustugun, Marius Lund-Iversen, Åslaug Helland, Steinar Solberg, Sascha Ansén, Gavin Wright, Benjamin Solomon, Luca Roz, Ugo Pastorino, Iver Petersen, Joachim H Clement, Jörg Sänger, Jürgen Wolf, Martin Vingron, Thomas Zander, Sven Perner, William D Travis, Stefan A Haas, Magali Olivier, Matthieu Foll, Reinhard Büttner, David Neil Hayes, Elisabeth Brambilla, Lynnette Fernandez-Cuesta, Roman K Thomas
Pulmonary large-cell neuroendocrine carcinomas (LCNECs) have similarities with other lung cancers, but their precise relationship has remained unclear. Here we perform a comprehensive genomic (n = 60) and transcriptomic (n = 69) analysis of 75 LCNECs and identify two molecular subgroups: "type I LCNECs" with bi-allelic TP53 and STK11/KEAP1 alterations (37%), and "type II LCNECs" enriched for bi-allelic inactivation of TP53 and RB1 (42%). Despite sharing genomic alterations with adenocarcinomas and squamous cell carcinomas, no transcriptional relationship was found; instead LCNECs form distinct transcriptional subgroups with closest similarity to SCLC...
March 13, 2018: Nature Communications
Sommer Nurkic, Tarik Nurkic, Christopher G Morris, Robert J Amdur, William M Mendenhall
OBJECTIVES: Examine the utility of pretreatment computed tomography in predicting local control (LC) in squamous cell carcinoma of the supraglottic larynx treated with primary radiotherapy (RT). METHODS: In total, 167 patients treated between 1983 and 2013 were reviewed. Patients had received pretreatment diagnostic computed tomographic imaging of the larynx and neck from which primary tumor volume (PrTV) was delineated. LC, larynx function at last follow-up, and RT complications were recorded...
March 8, 2018: American Journal of Clinical Oncology
Hironori Inaba, Daishi Yamakawa, Yasuko Tomono, Atsushi Enomoto, Shinji Mii, Kousuke Kasahara, Hidemasa Goto, Masaki Inagaki
We previously reported that vimentin, GFAP, and desmin (type III intermediate filament [IF] proteins) are mitotically phosphorylated by CDK1, Aurora-B, and Rho-kinase. This phosphorylation is critical for efficient separation of these IFs and completion of cytokinesis. Keratin 5 (K5) and K14 form a heterodimer, which constitutes IF network in basal layer cells of stratified squamous epithelia. Here, we report that the solubility of K5/K14 increased in mitosis. The in vitro assays revealed that three mitotic kinases phosphorylate K5 more than K14...
March 5, 2018: Biochemical and Biophysical Research Communications
Nicky O'Boyle, Erin Sutherland, Catherine C Berry, Robert L Davies
Respiratory tract infections are of significant concern in the agriculture industry. There is a requirement for the development of well-characterised in vitro epithelial cell culture models in order to dissect the diverse molecular interactions occurring at the host-pathogen interface in airway epithelia. We have analysed key factors that influence growth and differentiation of ovine tracheal epithelial cells in an air-liquid interface (ALI) culture system. Cellular differentiation was assessed at 21 days post-ALI, a time-point which we have previously shown to be sufficient for differentiation in standard growth conditions...
2018: PloS One
Martha Carmona Lorduy, Jonathan Harris Ricardo, Yurtiza Hernández Arenas, Wanda Medina Carmona
The human papillomavirus (HPV) has an affinity for squamous cells of stratified keratinized epithelium, thus affecting the lower genital, nasal, and oral tracts. In the oral cavity, HPV is associated with pathoses such as the verruca vulgaris (common wart), squamous cell papilloma, condyloma acuminatum (venereal wart), and focal epithelial hyperplasia (Heck disease). Among the treatments available for these lesions are cryotherapy, electrosurgery, surgical removal, laser therapy, and trichloroacetic acid (TCA)...
March 2018: General Dentistry
Saumya S Srivastava, Hunain Alam, Sonam J Patil, Rashmi Shrinivasan, Sweta Raikundalia, Pratik Rajeev Chaudhari, Milind M Vaidya
Keratins 5/14 (K5/14) are intermediate filament proteins expressed in the basal layer of stratified epithelial cells and are known targets of p63. Previous research in our laboratory showed that upon K5/14 downregulation in oral squamous cell carcinoma (OSCC)‑derived cells, there was an increase in intracellular Notch‑1 levels and differentiation markers such as involucrin, keratin 1 and a decrease in tumorigenic potential in vivo. However, the molecules involved in the K14 regulated cell differentiation and transformation are not known to date...
March 6, 2018: Oncology Reports
Bao-Feng Jin, Fan Yang, Xiao-Min Ying, Lin Gong, Shuo-Feng Hu, Qing Zhao, Yi-Da Liao, Ke-Zhong Chen, Teng Li, Yan-Hong Tai, Yuan Cao, Xiao Li, Yan Huang, Xiao-Yan Zhan, Xuan-He Qin, Jin Wu, Shuai Chen, Sai-Sai Guo, Yu-Cheng Zhang, Jing Chen, Dan-Hua Shen, Kun-Kun Sun, Lu Chen, Wei-Hua Li, Ai-Ling Li, Na Wang, Qing Xia, Jun Wang, Tao Zhou
BACKGROUND: Non-small-cell lung cancer (NSCLC) is characterized by abnormalities of numerous signaling proteins that play pivotal roles in cancer development and progression. Many of these proteins have been reported to be correlated with clinical outcomes of NSCLC. However, none of them could provide adequate accuracy of prognosis prediction in clinical application. METHODS: A total of 384 resected NSCLC specimens from two hospitals in Beijing (BJ) and Chongqing (CQ) were collected...
March 6, 2018: BMC Cancer
Xin-Liang Gao, Si-Si Wang, Dian-Bo Cao, Wei Liu
Introduction Elevated plasma D-dimer levels have been suggested as a predictor of poor prognosis in NSCLC. But rare study showed the relationship between d-dimer levels and lymph node involvement. Objectives To evaluate the role of plasma D-dimer levels in predicting lymph node and mediastinal lymph node involvement in NSCLC. Methods Preoperative plasma D-dimer levels were quantified in 253 NSCLC patients that underwent radical lung resection with systemic lymph node dissection. Patients were classified as lymph node negative (N0) vs...
March 2, 2018: Clinical Respiratory Journal
K Y P Liu, X J D Lu, Y Zhu, S Yip, C F Poh
Lymph nodal disease (LN+) is the most significant prognostic factor of oral squamous cell carcinoma (OSCC). Current risk indicator(s) for guiding elective neck dissection (END) is insufficient for clinically node-negative (cN0) patients, resulting in under- or overtreatment. While the role of immunological events in tumorigenesis and metastasis is evident, the prognostic implication in OSCC remains unclear. The study objective was to investigate large-scale immune-related gene expression and determine its prognostic value on node-free survival (NFS)...
February 1, 2018: Journal of Dental Research
Jian Wang, Bi Lian, Ling Ye, Jie Hu, Yuanlin Song
Adenosquamous carcinoma (ASC) of the lung is an unusual histology type in non-small-cell lung cancers. Due to its rarity, the clinicopathological characteristics and survival outcomes of the lung ASC are incompletely understood. We used the Surveillance, Epidemiology, and End Results (SEER) database to enroll 203,208 eligible patients, including 4,245 ASC, 124,253 adenocarcinoma (ADC) and 74,710 squamous cell carcinoma (SCC) patients. To date, this is the largest cohort in a study for ASC of the lung. With regard to age, sex, race, year of diagnosis, tumor size and SEER stage, ASC was intermediate between ADC and SCC...
January 30, 2018: Oncotarget
J SHahinas, D Hysi
BACKGROUND: We investigated methods and risk of bias, focusing on research design, aim, prognostic factors, outcome, and statistical analysis in molecular marker prognosis studies of oral squamous cell carcinoma. MATERIAL AND METHODS: We used a database search strategy to indentify relevant articles published in English in 2016. We developed a data extraction form to assess and extract information on methods of molecular marker prognosis studies in oral squamous cell carcinoma, based on methodological recommendations for prognosis studies...
March 2018: Oral Diseases
Michele Maio, Karl Lewis, Lev Demidov, Mario Mandalà, Igor Bondarenko, Paolo A Ascierto, Christopher Herbert, Andrzej Mackiewicz, Piotr Rutkowski, Alexander Guminski, Grant R Goodman, Brian Simmons, Chenglin Ye, Yibing Yan, Dirk Schadendorf
BACKGROUND: Systemic adjuvant treatment might mitigate the high risk of disease recurrence in patients with resected stage IIC-III melanoma. The BRIM8 study evaluated adjuvant vemurafenib monotherapy in patients with resected, BRAFV600 mutation-positive melanoma. METHODS: BRIM8 was a phase 3, international, double-blind, randomised, placebo-controlled study that enrolled 498 adults (aged ≥18 years) with histologically confirmed stage IIC-IIIA-IIIB (cohort 1) or stage IIIC (cohort 2) BRAFV600 mutation-positive melanoma that was fully resected...
February 21, 2018: Lancet Oncology
Ahmed Elbediwy, Barry J Thompson
Mechanical stretch forces can control the growth of epithelial tissues such as mammalian skin, whose surface area is precisely coordinated with body size. In skin keratinocytes cultured in vitro, mechanical forces acting via Integrin adhesions and the actin cytoskeleton have been shown to induce nuclear translocation of YAP/TAZ co-activators to induce cell proliferation. Furthermore, conditional knockouts of both YAP (also called YAP1) and TAZ (also called WWTR1) in mouse skin resemble the phenotype of skin-specific loss of Integrin beta1 (ITGB1), indicating that this signalling mechanism is important in vivo...
February 21, 2018: Current Opinion in Cell Biology
Chen Zhou, Yaping Wu, Lei Jiang, Zhongwu Li, Pengfei Diao, Dongmiao Wang, Wei Zhang, Laikui Liu, Yanling Wang, Hongbing Jiang, Jie Cheng, Jianrong Yang
BACKGROUND: Tumor-infiltrating lymphocytes (TILs) are regarded as adaptive immune response of the host to cancer cells and valuable prognostic factors. Here, we sought to characterize the densities and locations of CD3+ and CD8+ TILs in primary oral squamous cell carcinoma (OSCC) samples and assess their clinicopathological and prognostic significance. METHODS: A total number of 169 OSCC samples from two independent patient cohorts (Nanjing cohort, 93 cases; Wuxi cohort, 76 cases) were retrospectively collected...
February 22, 2018: Journal of Oral Pathology & Medicine
Guojun Li, Erich Sturgis, Ye Tao, Zhigang Huang, Qingyi Wei, Ying Wang, Peng Wei, Rui Wang
PURPOSE: Transforming growth factor-β1 (TGF-β1) plays a critical role in inflammation and immune responses and treatment response and survival. TGF-β1 variants may affect its expression level or functional efficiency, thus modifying tumor status and survival in HPV-positive squamous cell carcinoma of the oropharynx (SCCOP). EXPERIMENTAL DESIGN: We determined tumor HPV16 status and genotyped three TGF-β1 polymorphisms in 564 incident SCCOP patients treated with radiotherapy or chemoradiation...
February 20, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Joanne E Sordillo, Peter Kraft, Ann Chen Wu, Maryam M Asgari
Genetic factors play an important role in cutaneous squamous cell carcinoma (cSCC) risk. Genome-wide association studies have identified 21 single nucleotide polymorphisms (SNPs) associated with cSCC risk. Yet no studies have attempted to quantify the contribution of heritability to cSCC risk by calculating the population attributable risk (PAR) using a combination of all discovered genetic variants. Using an additive multi-locus linear logistic model, we determined the cumulative association of these 21 genetic regions to cSCC PAR...
February 13, 2018: Journal of Investigative Dermatology
Thomas Jonathan Stewart, Alan Saunders
BACKGROUND AND OBJECTIVES: The standard treatment for cutaneous squamous cell carcinoma (cSCC) is wide local excision (WLE). Incomplete tumor excision is associated with increased recurrence rates and mortality risk. Risk factors for positive margins after WLE of cSCC has been examined in only a few studies. We sought to assess the influence of several clinicopathological factors on margin status in the largest cSCC population to date. METHODS: We performed a retrospective review of records at two skin cancer clinics identifying patients with biopsy-proven cSCC who underwent WLE...
February 16, 2018: Journal of Dermatological Treatment
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