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Oral squamous cell

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https://www.readbyqxmd.com/read/28735227/microrna-27b-inhibits-cell-proliferation-in-oral-squamous-cell-carcinoma-by-targeting-fzd7-and-wnt-signaling-pathway
#1
Bingyao Liu, Wei Chen, Gang Cao, Zhen Dong, Jinke Xu, Tingyuan Luo, Senlin Zhang
This study intended to investigate the role of microRNA-27b (miR-27b) in proliferation of oral squamous cell carcinoma (OSCC) cells and to explore the potential molecular mechanism. Cell proliferation was detected by MTT assay. The expression levels of miR-27b, Frizzled7 (FZD7), cyclin D1 and c-myc were detected by quantitative real time polymerase chain reaction (qRT-PCR). The protein expression level of FZD7 was detected by western blot analysis. The relationship between miR-27b and FZD7, and the activity of Wnt signaling pathway were determined using luciferase reporter assay...
July 15, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28734696/-18-f-fluoromisonidazole-positron-emission-tomography-fmiso-pet-may-reflect-hypoxia-and-cell-proliferation-activity-in-oral-squamous-cell-carcinoma
#2
Jun Sato, Yoshimasa Kitagawa, Shiro Watanabe, Takuya Asaka, Noritaka Ohga, Kenji Hirata, Shozo Okamoto, Tohru Shiga, Masanobu Shindoh, Yuji Kuge, Nagara Tamaki
OBJECTIVE: Hypoxia is a common feature and prognostic factor in cancer. (18)F-fluoromisonidazole (FMISO) positron emission tomography (PET) can detect tumor hypoxia noninvasively. The aim of this study was to assess the correlations between FMISO-PET and (18) F-fluorodexyglucose (FDG)-PET parameters with cell proliferation and hypoxia in patients with oral squamous cell carcinoma (OSCC). STUDY DESIGN: Twenty-three preoperative patients with OSCC were included. The tumor/muscle ratio (TMR) of FMISO-PET, the maximum standardized uptake values (SUVmax) of FDG-PET, metabolic tumor volume, and total lesion glycolysis were measured...
June 8, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28732357/profiling-cancer-related-gene-mutations-in-oral-squamous-cell-carcinoma-from-japanese-patients-by-targeted-amplicon-sequencing
#3
Takafumi Nakagaki, Miyuki Tamura, Kenta Kobashi, Ryota Koyama, Hisayo Fukushima, Tomoko Ohashi, Masashi Idogawa, Kazuhiro Ogi, Hiroyoshi Hiratsuka, Takashi Tokino, Yasushi Sasaki
Somatic mutation analysis is a standard practice in the study of human cancers to identify mutations that cause therapeutic sensitization and resistance. We performed comprehensive genomic analyses that used PCR target enrichment and next-generation sequencing on Ion Proton semiconductor sequencers. Forty-seven oral squamous cell carcinoma (OSCC) samples and their corresponding noncancerous tissues were used for multiplex PCR amplification to obtain targeted coverage of the entire coding regions of 409 cancer-related genes (covered regions: 95...
July 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732018/carboplatin-with-intravenous-and-subsequent-oral-administration-of-vinorelbine-in-resected-non-small-cell-lung-cancer-in-real-world-set-up
#4
Vítězslav Kolek, Ivona Grygárková, Leona Koubková, Jana Skřičková, Jiřina Švecová, Dimka Sixtová, Jiří Bartoš, Aleš Tichopád
OBJECTIVES: Adjuvant cisplatin-based chemotherapy is recommended for routine use in patients with Stage IIA, IIB or IIIA non-small cell lung cancer (NSCLC) after complete resection. Results obtained for Stage IB were not conclusive. While vinorelbine plus cisplatin is the preferred choice after resection, combining vinorelbine with carboplatin promises improved compliance and delivery of drugs due to lower toxicity. We evaluated the impact of this option on treatment compliance and survival under real-world conditions...
2017: PloS One
https://www.readbyqxmd.com/read/28730764/mtor-deregulation-in-oral-cavity-squamous-cell-carcinoma
#5
Nicholas S Mastronikolis, Evangelos Tsiambas, Theodoros A Papadas, Panagiotis P Fotiades, Athanasios T Papadas, Stylianos N Mastronikolis, Ioannis Kastanioudakis, Vasileios Ragos
Signal transduction pathways consist of a variety of inter- and intra-cellular molecules. They act as supporting mechanisms for cell survival and homeostasis. Among them, the phosphatidylinositol 3-kinase (PI3K)/tumor suppressor phosphatase and tensin homologue deleted on chromosome ten (PTEN)/protein kinase B (Akt)/mammalian target of rapamycin (mTOR) pathway plays a crucial role in regulating normal cell growth based on growth factor receptors (GFRs) interaction, including epidermal GFR (type II-HER2) and insulin GFR (IGF)...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28729768/neck-observation-versus-elective-neck-dissection-in-management-of-clinical-t1-2n0-oral-squamous-cell-carcinoma-a-retrospective-study-of-232-patients
#6
Xiangqi Liu, Xiaomei Lao, Lizhong Liang, Sien Zhang, Kan Li, Guiqing Liao, Yujie Liang
OBJECTIVE: The management of early-stage (cT1/2N0) oral squamous cell carcinoma (OSCC) remains a controversial issue. The aim of this study was to compare the clinical outcomes of neck observation (OBS) and elective neck dissection (END) in treating patients with cT1/2N0 OSCC. METHODS: A total of 232 patients with cT1/2N0 OSCC were included in this retrospective study. Of these patients, 181 were treated with END and 51 with OBS. The survival curves of 5-year overall survival (OS), disease-specific survival (DSS), and recurrence-free survival (RFS) rates were plotted using the Kaplan-Meier method for each group, and compared using the Log-rank test...
June 2017: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/28729180/symptom-and-quality-of-life-improvement-in-lux-lung-8-an-open-label-phase-iii-study-of-second-line-afatinib-versus-erlotinib-in-patients-with-advanced-squamous-cell-carcinoma-of-the-lung-after-first-line-platinum-based-chemotherapy
#7
Enriqueta Felip, Vera Hirsh, Sanjay Popat, Manuel Cobo, Andrea Fülöp, Charles Dayen, José M Trigo, Richard Gregg, Cornelius F Waller, Jean-Charles Soria, Glenwood D Goss, James Gordon, Bushi Wang, Michael Palmer, Eva Ehrnrooth, Shirish M Gadgeel
INTRODUCTION: In the phase III LUX-Lung 8 trial, afatinib significantly improved progression-free survival (PFS) and overall survival (OS) versus erlotinib in patients with squamous cell carcinoma (SCC) of the lung progressing during or after platinum-based chemotherapy. Patient-reported outcomes (PROs) and health-related quality of life (QoL) in these patients are presented. PATIENTS AND METHODS: Patients (n = 795) were randomized 1:1 to oral afatinib (40 mg/d) or erlotinib (150 mg/d)...
June 23, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28725300/epstein-barr-virus-ebv-associated-epithelial-and-non-epithelial-lesions-of-the-oral-cavity
#8
REVIEW
Kentaro Kikuchi, Harumi Inoue, Yuji Miyazaki, Fumio Ide, Masaru Kojima, Kaoru Kusama
Epstein-Barr virus (EBV) is known to be associated with the development of malignant lymphoma and lymphoproliferative disorders (LPDs) in immunocompromised patients. EBV, a B-lymphotropic gamma-herpesvirus, causes infectious mononucleosis and oral hairy leukoplakia, as well as various pathological types of lymphoid malignancy. Furthermore, EBV is associated with epithelial malignancies such as nasopharyngeal carcinoma (NPC), salivary gland tumor, gastric carcinoma and breast carcinoma. In terms of oral disease, there have been several reports of EBV-related oral squamous cell carcinoma (OSCC) worldwide...
August 2017: Japanese Dental Science Review
https://www.readbyqxmd.com/read/28725009/the-salivary-microbiome-as-an-indicator-of-carcinogenesis-in-patients-with-oropharyngeal-squamous-cell-carcinoma-a-pilot-study
#9
Axel Wolf, Christine Moissl-Eichinger, Alexandra Perras, Kaisa Koskinen, Peter V Tomazic, Dietmar Thurnher
This study aimed to undertake an initial, comparative analysis of the oral salivary microbiome of patients with oral and oropharyngeal squamous cell carcinoma versus healthy controls. This project, conceived as a pilot study, included 11 patients (1 female, 10 male, mean age 61.6 yrs., SD = 8.2 yrs.) and 11 healthy controls (1 female, 10 male, mean age 46.7 yrs., SD = 15.1 yrs.). Samples of saliva were analysed by high-throughput sequencing of the 16S rRNA gene using the MiSeq platform. Sequence data revealed microbial changes that may mirror disease progression and reflect clinical preconditions such as age, alcohol consumption, tumour size, lymph node status, smoking habit, and tumour HPV-positivity...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724788/multiparametric-immune-profiling-in-hpv-oral-squamous-cell-cancer
#10
Zipei Feng, Daniel Bethmann, Matthias Kappler, Carmen Ballesteros-Merino, Alexander Eckert, R Bryan Bell, Allen Cheng, Tuan Bui, Rom Leidner, Walter J Urba, Kent Johnson, Clifford Hoyt, Carlo B Bifulco, Juergen Bukur, Claudia Wickenhauser, Barbara Seliger, Bernard A Fox
Evaluation of T lymphocyte frequency provides prognostic information for patients with oral squamous cell cancer (OSCC). However, the effect of simultaneously evaluating T cell frequency and assessing suppressive elements and defects in antigen-processing machinery (APM) has not been clarified. Simultaneous characterization of CD3+, CD8+, FoxP3+, CD163+, and PD-L1+ cells using multispectral imaging was performed on sections from 119 patients with HPV- OSCC. Expression of β2-microglobulin, MHC class I heavy chain, and large multifunctional peptidase 10 was quantified, and all data were correlated with patient outcome...
July 20, 2017: JCI Insight
https://www.readbyqxmd.com/read/28724656/dietary-flavonoid-intake-reduces-the-risk-of-head-and-neck-but-not-esophageal-or-gastric-cancer-in-us-men-and-women
#11
Lucy Sun, Amy F Subar, Claire Bosire, Sanford M Dawsey, Lisa L Kahle, Thea P Zimmerman, Christian C Abnet, Ruth Heller, Barry I Graubard, Michael B Cook, Jessica L Petrick
Background: Flavonoids are bioactive polyphenolic compounds found in fruits, vegetables, and beverages of plant origin. Previous studies have shown that flavonoid intake reduces the risk of certain cancers; however, few studies to date have examined associations of flavonoids with upper gastrointestinal cancers or used prospective cohorts.Objective: Our study examined the association between intake of flavonoids (anthocyanidins, flavan-3-ols, flavanones, flavones, flavonols, and isoflavones) and risk of head and neck, esophageal, and gastric cancers...
July 19, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28722333/xiap-inhibitor-embelin-induces-autophagic-and-apoptotic-cell-death-in-human-oral-squamous-cell-carcinoma-cells
#12
You-Jin Lee, Bong-Soo Park, Hae-Ryoun Park, Su-Bin Yu, Hae-Mi Kang, In-Ryoung Kim
Embelin is an active ingredient of traditional herbal remedies for cancer and other diseases. Recently, it has been suggested that autophagy may play an important role in cancer therapy. However, little data are available regarding the role of autophagy in oral cancers. Therefore, we conducted this study to examine whether Embelin modulates autophagy in Ca9-22. Our results showed that Embelin had anticancer activity against the Ca9-22 human tongue squamous cell, and we observed that autophagic vacuoles were formed by MDC and AO...
July 19, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28721881/final-report-of-a-prospective-randomized-trial-to-evaluate-the-dose-response-relationship-for-postoperative-radiation-therapy-and-pathologic-risk-groups-in-patients-with-head-and-neck%C3%A2-cancer
#13
David I Rosenthal, Abdallah S R Mohamed, Adam S Garden, William H Morrison, Adel K El-Naggar, Mona Kamal, Randal S Weber, Clifton D Fuller, Lester J Peters
PURPOSE: To present the long-term and final report of a phase 3 trial designed to assess dose-response relationship for postoperative radiation therapy (PORT) and pathologic risk groups in head and neck cancer. METHODS AND MATERIALS: Patients who underwent primary surgery for American Joint Committee on Cancer stage III or IV squamous cell carcinoma of the oral cavity, oropharynx, hypopharynx, or larynx and who required PORT were eligible. Patients' primary sites and involved necks were independently assigned to higher- or lower-risk categories based on a cumulative point score representing increasing risk of recurrence...
August 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28720294/papillomaviruses-in-dogs-and-cats
#14
REVIEW
John S Munday, Neroli A Thomson, Jennifer A Luff
Papillomaviruses (PVs) cause disease in both dogs and cats. In dogs, PVs are thought to cause oral papillomatosis, cutaneous papillomas and canine viral pigmented plaques, whereas PVs have been rarely associated with the development of oral and cutaneous squamous cell carcinomas in this species. In cats, PVs are currently thought to cause oral papillomas, feline viral plaques, Bowenoid in situ carcinomas and feline sarcoids. Furthermore, there is increasing evidence that PVs may also be a cause of cutaneous squamous cell carcinomas and basal cell carcinomas in cats...
July 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28718681/partial-substitution-of-glucose-with-xylitol-suppressed-the-glycolysis-and-selectively-inhibited-the-proliferation-of-oral-cancer-cells
#15
Dunyaporn Trachootham, Pimjai Chingsuwanrote, Penkhair Yoosadiang, Duangsamon Mekkriangkrai, Tanapat Ratchawong, Nicha Buraphacheep, Siripa Kijanukul, Sumrit Saekhow, Orawan Pongpitchayadej, Kittituch Vongvachvasin, Paknisa Sittikornpaiboon, Siriporn Tuntipopipat
Suitable diet for cancer survivors remains an unresolved challenge. Increased glucose utilization is a hallmark of various cancers. Therefore, alternative carbohydrate supplying normal tissue but retarding cancer growth is needed. This study investigated the effect of sugar alcohols on the proliferation of oral cancer cells compared to nontransformed cells and explored the mechanism. Six oral squamous cell carcinoma (CAL-27, FaDu, SCC4, SCC9, SCC15, and SCC25) and one nontransformed oral keratinocyte (OKF6/TERT2) lines were cultured in media containing 1 mg/ml glucose and 5...
July 18, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28718677/evaluation-of-the-cytotoxic-activity-of-crocin-and-safranal-constituents-of-saffron-in-oral-squamous-cell-carcinoma-kb-cell-line
#16
Raheleh Jabini, Melika Ehtesham-Gharaee, Zohreh Dalirsani, Fatemeh Mosaffa, Zahra Delavarian, Javad Behravan
Crocin and safranal are active ingredients in the saffron. Some studies have demonstrated antitumor activities of saffron ingredients. The aim of this study was to evaluate cytotoxic effects of crocin and safranal in oral squamous cell carcinoma (KB cells) and NIH 3T3 cell line as nonmalignant cells. The cells were incubated with crocin and safranal at 37°C for 24, 48, and 72 h, and cell viability was quantitated by MTT assay. Apoptotic cells, cell cycle distribution, and sub-G1 fraction were determined using propidium iodide staining of DNA fragmentation by flow cytometry...
July 18, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28717702/management-of-chemoradiation-induced-mucositis-in-head-and-neck-cancers-with-oral-glutamine
#17
Lucy Pattanayak, Niharika Panda, Manoj Kumar Dash, Sumita Mohanty, Sagarika Samantaray
PURPOSE: Head and neck cancers are the third most common cancers worldwide. Oral mucositis is the most common toxicity seen in patients who receive chemoradiation to treat head and neck cancer. The aim of this study was to evaluate the efficacy and safety of oral glutamine supplementation in these patients. MATERIALS AND METHODS: From December 2013 to December 2014, we randomly assigned to two arms 162 patients who had squamous cell carcinoma of the head and neck...
August 2016: Journal of Global Oncology
https://www.readbyqxmd.com/read/28717287/cervical-metastases-behavior-of-t1-2-squamous-cell-carcinoma-of-the-tongue
#18
K Sagheb, V Kumar, R Rahimi-Nedjat, M Dollhausen, T Ziebart, B Al-Nawas, C Walter
INTRODUCTION: The cervical lymph node metastasis (CM) is one of the most important prognostic factors for oral squamous cell carcinoma. Although the frequency and distribution of CM for tongue carcinoma (TC) are well documented in the literature, there is only little data on metastasis patterns depending on the location of the cancer within the tongue. MATERIALS AND METHODS: In a retrospective study all patients with a T1-T2 TC who were treated between 1997 and 2013 were analysed regarding epidemiological data, risk factors, and tumour parameters such as exact localization, CM...
September 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28717222/fty720-induces-autophagy-associated-apoptosis-in-human-oral-squamous-carcinoma-cells-in-part-through-a-reactive-oxygen-species-mcl-1-dependent-mechanism
#19
Li-Yuan Bai, Chang-Fang Chiu, Shih-Jiuan Chiu, Po-Chen Chu, Jing-Ru Weng
In this study, we interrogated the mechanism by which the immunosuppressant FTY720 mediates anticancer effects in oral squamous cell carcinoma (OSCC) cells. FTY720 differentially suppressed the viability of the OSCC cell lines SCC4, SCC25, and SCC2095 with IC50 values of 6.1, 6.3, and 4.5 μM, respectively. This antiproliferative effect was attributable to the ability of FTY720 to induce caspase-dependent apoptosis. Mechanistic evidence suggests that FTY720-induced apoptosis was associated with its ability to inhibit Akt-NF-κB signaling, to facilitate the proteasomal degradation of the antiapoptotic protein Mcl-1, and to increase reactive oxygen species (ROS) generation...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716471/clinical-significance-of-preoperative-serum-c-reactive-protein-in-oral-squamous-cell-carcinoma
#20
S Acharya, J Kale, K Hallikeri, V Anehosur, D Arnold
C-reactive protein (CRP) is an index of systemic inflammation. However, CRP is not usually assessed preoperatively. Hence the study intended to evaluate the preoperative serum CRP levels in oral squamous cell carcinoma (OSCC) patients and to analyse its relationship with the clinicopathologic characteristics. CRP values for 60 OSCCs and 30 healthy controls were evaluated using a CRP assessment kit and spectrophotometer. The Mann-Whitney U test, χ(2) test, receiver operating characteristic (ROC) curve analysis, and logistic regression were applied...
July 14, 2017: International Journal of Oral and Maxillofacial Surgery
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