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https://www.readbyqxmd.com/read/27923035/biomarkers-in-anal-cancer-from-biological-understanding-to-stratified-treatment
#1
Christopher M Jones, Vicky Goh, David Sebag-Montefiore, Duncan C Gilbert
Squamous cell carcinomas of the anus and anal canal represent a model of a cancer and perhaps the first where level 1 evidence supported primary chemoradiotherapy (CRT) in treating locoregional disease with curative intent. The majority of tumours are associated with infection with oncogenic subtypes of human papilloma virus and this plays a significant role in their sensitivity to treatment. However, not all tumours are cured with CRT and there remain opportunities to improve outcomes in terms of oncological control and also reducing late toxicities...
December 6, 2016: British Journal of Cancer
https://www.readbyqxmd.com/read/27913438/quantifying-the-dynamics-of-field-cancerization-in-tobacco-related-head-and-neck-cancer-a-multiscale-modeling-approach
#2
Marc D Ryser, Walter T Lee, Neal E Ready, Kevin Z Leder, Jasmine Foo
High rates of local recurrence in tobacco-related head and neck squamous cell carcinoma (HNSCC) are commonly attributed to unresected fields of precancerous tissue. Because they are not easily detectable at the time of surgery without additional biopsies, there is a need for noninvasive methods to predict the extent and dynamics of these fields. Here, we developed a spatial stochastic model of tobacco-related HNSCC at the tissue level and calibrated the model using a Bayesian framework and population-level incidence data from the Surveillance, Epidemiology, and End Results (SEER) registry...
October 20, 2016: Cancer Research
https://www.readbyqxmd.com/read/27911861/pyruvate-kinase-m2-pkm2-expression-correlates-with-prognosis-in-solid-cancers-a-meta-analysis
#3
Haiyan Zhu, Hui Luo, Xuejie Zhu, Xiaoli Hu, Lihong Zheng, Xueqiong Zhu
Pyruvate kinase M2 (PKM2) is the key enzyme in the Warburg effect and plays a central role in cancer cell metabolic reprogramming. Recently, quite a few studies have investigated the correlation between PKM2 expression and prognosis in multiple cancer patients, but results were inconsistent. We therefore performed a meta-analysis to explore the prognostic value of PKM2 expression in patients with solid cancer. Here twenty-seven individual studies from 25 publications with a total of 4796 cases were included to explore the association between PKM2 and overall survival (OS) or disease-free survival (DFS)/ progression-free survival (PFS)/ recurrent-free survival (RFS) in subjects with solid cancer...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27903924/randomized-phase-ii-study-of-cabazitaxel-versus-methotrexate-in-patients-with-recurrent-and-or-metastatic-squamous-cell-carcinoma-of-the-head-and-neck-previously-treated-with-platinum-based-therapy
#4
Jean-Pascal Henry Machiels, Aline Van Maanen, Jean-Marie Vandenbulcke, Bertrand Filleul, Emmanuel Seront, Stéphanie Henry, Lionel D'Hondt, Christophe Lonchay, Stéphane Holbrechts, Petra Boegner, Dany Brohee, Didier Dequanter, Ingrid Louviaux, Brieuc Sautois, Nicolas Whenham, Guy Berchem, Brigitte Vanderschueren, Christel Fontaine, Sandra Schmitz, Aline Gillain, Joelle Schoonjans, Sylvie Rottey
LESSONS LEARNED: Cabazitaxel has activity in squamous cell carcinoma of the head and neck (SCCHN) and taxane-resistant cell lines. For the first time, cabazitaxel was investigated in incurable patients with recurrent SCCHN. Patients were randomly assigned to cabazitaxel every 3 weeks or weekly methotrexate.This phase II study did not meet its primary endpoint.Cabazitaxel has low activity in SCCHN.The toxicity profile in this population also was not favorable owing to the high rate of febrile neutropenia observed (17%)...
November 30, 2016: Oncologist
https://www.readbyqxmd.com/read/27890404/incomplete-urethral-duplication-associated-with-a-dermoid-cyst-in-a-dog-with-urinary-obstruction
#5
F Thierry, S Drew, J Del-Pozo, N Fernandez-Salesa, S Woods, G Stanzani, T Liuti
A 20-month-old male miniature dachshund was evaluated for a 10-week history of intermittent stranguria, pollakiuria, haematuria and obstructive urolithiasis. Retrograde urethrocystography revealed a subcutaneous saccular structure in the perineal area connected to the intrapelvic urethra associated with urolithiasis. After excision of the perineal saccular structure, microscopical examination confirmed the presence of transitional epithelium lining the diverticulum, with isolated submucosal smooth muscle bundles...
November 24, 2016: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/27878477/paraneoplastic-pemphigus-and-autoimmune-blistering-diseases-associated-with-neoplasm-characteristics-diagnosis-associated-neoplasms-proposed-pathogenesis-treatment
#6
REVIEW
Saritha Kartan, Vivian Y Shi, Ashley K Clark, Lawrence S Chan
Autoimmune paraneoplastic and neoplasm-associated skin syndromes are characterized by autoimmune-mediated cutaneous lesions in the presence of a neoplasm. The identification of these syndromes provides information about the underlying tumor, systemic symptoms, and debilitating complications. The recognition of these syndromes is particularly helpful in cases of skin lesions presenting as the first sign of the malignancy, and the underlying malignancy can be treated in a timely manner. Autoimmune paraneoplastic and neoplasm-associated bullous skin syndromes are characterized by blister formation due to an autoimmune response to components of the epidermis or basement membrane in the context of a neoplasm...
November 22, 2016: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/27875772/hnf4%C3%AE-is-a-key-gene-that-can-generate-columnar-metaplasia-in-oesophageal-epithelium
#7
Benjamin J Colleypriest, Zoë D Burke, Leonard P Griffiths, Yu Chen, Wei-Yuan Yu, Ramiro Jover, Michael Bock, Leigh Biddlestone, Jonathan M Quinlan, Stephen G Ward, J Mark Farrant, Jonathan M W Slack, David Tosh
Barrett's metaplasia is the only known morphological precursor to oesophageal adenocarcinoma and is characterized by replacement of stratified squamous epithelium by columnar epithelium. The cell of origin is uncertain and the molecular mechanisms responsible for the change in cellular phenotype are poorly understood. We therefore explored the role of two transcription factors, Cdx2 and HNF4α in the conversion using primary organ cultures. Biopsy samples from cases of human Barrett's metaplasia were analysed for the presence of CDX2 and HNF4α...
November 19, 2016: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/27874879/bullous-pemphigoid-associated-with-a-lymphoepithelial-cyst-of-the-pancreas
#8
Preston W Chadwick, Francis R Spitz, Daniel M Kwa, Waine C Johnson, Warren R Heymann
Bullous pemphigoid (BP) is an acquired, autoimmune, subepidermal blistering disorder. A possible paraneoplastic association has been suggested; however, debate remains regarding the precise relationship of these neoplasms with BP. We present a case of recalcitrant BP in a 67-year-old man with a pancreatic neoplasm that was found to be a lymphoepithelial cyst. Immunoperoxidase staining of the cyst demonstrated C3d along the basement membrane of the stratified squamous epithelium, suggesting that the BP may have involved the lymphoepithelial cyst itself...
October 2016: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/27865458/the-interaction-between-human-papillomaviruses-and-the-stromal-microenvironment
#9
B Woodby, M Scott, J Bodily
Human papillomaviruses (HPVs) are small, double-stranded DNA viruses that replicate in stratified squamous epithelia and cause a variety of malignancies. Current efforts in HPV biology are focused on understanding the virus-host interactions that enable HPV to persist for years or decades in the tissue. The importance of interactions between tumor cells and the stromal microenvironment has become increasingly apparent in recent years, but how stromal interactions impact the normal, benign life cycle of HPVs, or progression of lesions to cancer is less understood...
2016: Progress in Molecular Biology and Translational Science
https://www.readbyqxmd.com/read/27856142/efficacy-and-safety-of-onartuzumab-in-combination-with-first-line-bevacizumab-or-pemetrexed-based-chemotherapy-regimens-in-advanced-non-squamous-non-small-cell-lung-cancer
#10
Heather Wakelee, Zanete Zvirbule, Filippo De Braud, C Daniel Kingsley, Tarek Mekhail, Thomas Lowe, Wolfgang Schütte, Hervé Lena, William Lawler, Fadi Braiteh, Thomas Cosgriff, Diego Kaen, Michelle Boyer, Jessie Hsu, See Phan, Silvia Novello
BACKGROUND: Onartuzumab is a monovalent monoclonal antibody that binds with the extracellular domain of the MET receptor. Given the role of MET in non-small-cell lung cancer (NSCLC), we investigated whether onartuzumab added to first-line chemotherapy efficacy in non-squamous NSCLC. METHODS: Patients with untreated stage IIIB/IV non-squamous NSCLC, stratified by MET diagnostic status, were randomized to receive onartuzumab (15 mg/kg intravenously every 3 weeks) or placebo in combination with either paclitaxel/platinum/bevacizumab (bevacizumab cohort), or in combination with platinum/pemetrexed (pemetrexed cohort) with maintenance bevacizumab or pemetrexed and onartuzumab/placebo as appropriate...
October 19, 2016: Clinical Lung Cancer
https://www.readbyqxmd.com/read/27853583/the-core-planar-cell-polarity-gene-vangl2-directs-adult-corneal-epithelial-cell-alignment-and-migration
#11
Amy S Findlay, D Alessio Panzica, Petr Walczysko, Amy B Holt, Deborah J Henderson, John D West, Ann M Rajnicek, J Martin Collinson
This study shows that the core planar cell polarity (PCP) genes direct the aligned cell migration in the adult corneal epithelium, a stratified squamous epithelium on the outer surface of the vertebrate eye. Expression of multiple core PCP genes was demonstrated in the adult corneal epithelium. PCP components were manipulated genetically and pharmacologically in human and mouse corneal epithelial cells in vivo and in vitro. Knockdown of VANGL2 reduced the directional component of migration of human corneal epithelial (HCE) cells without affecting speed...
October 2016: Royal Society Open Science
https://www.readbyqxmd.com/read/27852044/preoperative-blood-routine-markers-and-prognosis-of-esophageal-squamous-cell-carcinoma-the-fujian-prospective-investigation-of-cancer-fiesta-study
#12
Dan Hu, Xiandong Lin, Yan Chen, Qing Chang, Gang Chen, Chao Li, Hejun Zhang, Zhaolei Cui, Binying Liang, Wenhui Jiang, Kaida Ji, Jun Huang, Feng Peng, Xiongwei Zheng, Wenquan Niu
This prospective study was designed to investigate the prognosis of preoperative blood-routine markers for esophageal cancer mortality by using data from the ongoing Fujian prospective investigation of cancer (FIESTA) study. Patients who received three-field lymphadenectomy for esophageal cancer between 2000 and 2010 were enrolled. Of 2535 patients with complete survival data, esophageal squamous cell carcinoma (ESCC) accounted for 94.5% (n = 2396). Here, only ESCC patients were analyzed, with the median follow-up time of 38...
November 11, 2016: Oncotarget
https://www.readbyqxmd.com/read/27849344/oral-squamous-papilloma-occurring-on-the-palate-with-review-of-literature
#13
Anjali Nayak, Meghanand T Nayak
Squamous papillomas are common lesions occurring on skin, oral and nasal mucosa and male and female genital organs. Oral squamous cell papilloma (OSP) is a benign proliferation of the stratified squamous epithelium and is generally believed to be caused by Human Papilloma Viruses (HPV). It constitutes around 2.5% of all oral verruco-papillary lesions. We here, report a case of palatal OSP occurring in a 55-year-old male. The aetiological, clinical, diagnostic and treatment aspects of OSP are discussed here.
November 2016: Journal of Experimental Therapeutics & Oncology
https://www.readbyqxmd.com/read/27832279/artificial-polymeric-scaffolds-as-extracellular-matrix-substitutes-for-autologous-conjunctival-goblet-cell-expansion
#14
Min He, Thomas Storr-Paulsen, Annie L Wang, Chiara E Ghezzi, Siran Wang, Matthew Fullana, Dimitrios Karamichos, Tor P Utheim, Rakibul Islam, May Griffith, M Mirazul Islam, Robin R Hodges, Gary E Wnek, David L Kaplan, Darlene A Dartt
Purpose: We fabricated and investigated polymeric scaffolds that can substitute for the conjunctival extracellular matrix to provide a substrate for autologous expansion of human conjunctival goblet cells in culture. Methods: We fabricated two hydrogels and two silk films: (1) recombinant human collagen (RHC) hydrogel, (2) recombinant human collagen 2-methacryloylxyethyl phosphorylcholine (RHC-MPC) hydrogel, (3) arginine-glycine-aspartic acid (RGD) modified silk, and (4) poly-D-lysine (PDL) coated silk, and four electrospun scaffolds: (1) collagen, (2) poly(acrylic acid) (PAA), (3) poly(caprolactone) (PCL), and (4) poly(vinyl alcohol) (PVA)...
November 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27832255/association-of-postoperative-radiotherapy-with-survival-in-patients-with-n1-oral-cavity-and-oropharyngeal-squamous-cell-carcinoma
#15
Michelle M Chen, Jeremy P Harris, Wendy Hara, Davud Sirjani, Vasu Divi
Importance: The guidelines for head and neck cancer recommend consideration of adjuvant postoperative radiotherapy (PORT) for patients with pT1N1 or pT2N1 disease in the absence of other adverse features. This recommendation was recently changed for oropharyngeal (OP) squamous cell carcinoma (SCC). Objective: To examine the use and outcomes of PORT for N1 OP SCC and oral cavity (OC) SCC. Design, Setting, and Participants: This retrospective cohort study identified 1467 adult patients with OC SCC and 790 patients with OP SCC with pT1N1 or pT2N1 disease in the absence of other adverse features from the National Cancer Database from January 1, 2004, to December 31, 2013...
November 10, 2016: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/27826568/pax1-and-sox1-methylation-as-an-initial-screening-method-for-cervical-cancer-a-meta-analysis-of-individual-studies-in-asians
#16
Yan Chen, Zhaolei Cui, Zhenzhou Xiao, Minhua Hu, Chuanhui Jiang, Yingying Lin, Yansong Chen
BACKGROUND: Epigenetic alterations of gene or DNA methylation have been highlighted as promising biomarkers for early cervical cancer screening. Herein, we evaluated the diagnostic performance of paired boxed gene 1 (PAX1) and sex determining region Y-box 1 (SOX1) methylation for cervical cancer detection. METHODS: Eligible studies were retrieved by searching the electronic databases. Study quality was assessed according to the Quality Assessment of Diagnostic Accuracy Studies (QUADAS) checklist...
October 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/27826035/comprehensive-computational-pathological-image-analysis-predicts-lung-cancer-prognosis
#17
Xin Luo, Xiao Zang, Lin Yang, Junzhou Huang, Faming Liang, Jaime Rodriguez Canales, Ignacio I Wistuba, Adi Gazdar, Yang Xie, Guanghua Xiao
INTRODUCTION: Pathological examination of histopathological slides is a routine clinical procedure for lung cancer diagnosis and prognosis. Although the classification of lung cancer has been updated to become more specific, only a small subset of the total morphological features is taken into consideration. The vast majority of the detailed morphological features of tumor tissues, particularly tumor cells' surrounding microenvironment, are not fully analyzed. The heterogeneity of tumor cells and close interactions between tumor cells and their microenvironments are closely related to tumor development and progression...
November 4, 2016: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/27825638/erlotinib-cabozantinib-or-erlotinib-plus-cabozantinib-as-second-line-or-third-line-treatment-of-patients-with-egfr-wild-type-advanced-non-small-cell-lung-cancer-ecog-acrin-1512-a-randomised-controlled-open-label-multicentre-phase-2-trial
#18
Joel W Neal, Suzanne E Dahlberg, Heather A Wakelee, Seena C Aisner, Michaela Bowden, Ying Huang, David P Carbone, Gregory J Gerstner, Rachel E Lerner, Jerome L Rubin, Taofeek K Owonikoko, Philip J Stella, Preston D Steen, Ahmed Ali Khalid, Suresh S Ramalingam
BACKGROUND: Erlotinib is approved for the treatment of all patients with advanced non-small-cell lung cancer (NSCLC), but is most active in the treatment of EGFR mutant NSCLC. Cabozantinib, a small molecule tyrosine kinase inhibitor, targets MET, VEGFR, RET, ROS1, and AXL, which are implicated in lung cancer tumorigenesis. We compared the efficacy of cabozantinib alone or in combination with erlotinib versus erlotinib alone in patients with EGFR wild-type NSCLC. METHODS: This three group, randomised, controlled, open-label, multicentre, phase 2 trial was done in 37 academic and community oncology practices in the USA...
November 4, 2016: Lancet Oncology
https://www.readbyqxmd.com/read/27824767/similar-risk-patterns-after-cervical-screening-in-two-large-u-s-populations-implications-for-clinical-guidelines
#19
Julia C Gage, William C Hunt, Mark Schiffman, Hormuzd A Katki, Li A Cheung, Orrin Myers, Jack Cuzick, Nicolas Wentzensen, Walter Kinney, Philip E Castle, Cosette M Wheeler
OBJECTIVE: To compare the risks of histologic high-grade cervical intraepithelial neoplasia (CIN) or worse after different cervical cancer screening test results between two of the largest U.S. clinical practice research data sets. METHODS: The New Mexico Human Papillomavirus (HPV) Pap Registry is a statewide registry representing a diverse population experiencing varied clinical practice delivery. Kaiser Permanente Northern California is a large integrated health care delivery system practicing routine HPV cotesting since 2003...
December 2016: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27808409/subsite-variation-in-survival-of-oropharyngeal-squamous-cell-carcinomas-2004-to-2011
#20
Mary E Platek, Vijayvel Jayaprakash, Vishal Gupta, David M Cohan, Wesley L Hicks, Timothy B Winslow, Alexis J Platek, Adrienne Groman, Shiva Dibaj, Hassan Arshad, Moni A Kuriakose, Graham W Warren, Anurag K Singh
OBJECTIVES/HYPOTHESIS: To evaluate subsite-specific differences in survival between squamous cell carcinomas of the base of tongue and tonsillar fossa in a modern cohort likely to have been treated with intensity-modulated radiation therapy, chemotherapy for stage III and IV, and have had a high incidence of human papillomavirus-associated tumors. STUDY DESIGN: Retrospective cohort analysis utilizing data from the Surveillance, Epidemiology, and End Results program of patients with base of tongue and tonsillar fossa squamous cell carcinoma from 2004 to 2011...
November 3, 2016: Laryngoscope
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