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Oral squamous cell carcinoma

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https://www.readbyqxmd.com/read/29913322/culture-supernatants-of-oral-cancer-cells-induce-impaired-ifn-%C3%AE-production-of-pdcs-partly-through-the-down-regulation-of-tlr-9-expression
#1
Nannan Han, Zun Zhang, Houyu Jv, Jingzhou Hu, Min Ruan, Chenping Zhang
OBJECTIVES: The aim of the present study was to investigate whether tumor-derived supernatants down-regulate the immune function of plasmacytoid dendritic cells (pDCs) in oral cancer and the potential molecular mechanisms of this effect. MATERIALS AND METHODS: Immunohistochemistry (IHC) and flow cytometry were used to detect tumor-infiltrating and peripheral blood pDCs. MTS and flow cytometry were employed to evaluate the immune response of CD4+ T cells. Real-time PCR and ELISA assays were used to identify TLR-7 and TLR-9 expression, IFN-α production and tumor-secreted soluble cytokines...
June 5, 2018: Archives of Oral Biology
https://www.readbyqxmd.com/read/29911943/outcomes-following-surgical-excision-or-surgical-excision-combined-with-adjunctive-hypofractionated-radiotherapy-in-dogs-with-oral-squamous-cell-carcinoma-or-fibrosarcoma
#2
Julia Riggs, Vicki J Adams, Joanna V Hermer, Jane M Dobson, Suzanne Murphy, Jane F Ladlow
OBJECTIVE To compare outcomes of dogs treated surgically for oral, nontonsillar, squamous cell carcinomas (SCCs) and fibrosarcomas (FSAs) with outcomes of dogs treated with a combination of surgery and postoperative radiotherapy; to explore whether postoperative, hypofractionated radiotherapy improved outcomes of dogs with incomplete excisions; and to identify prognostic factors associated with outcome. DESIGN Retrospective cohort study. ANIMALS 87 client-owned dogs that had undergone maxillectomy or mandibulectomy for treatment of oral SCC or FSA between 2000 and 2009...
July 1, 2018: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/29909897/ajcc-8th-edition-oral-cavity-squamous-cell-carcinoma-staging-is-it-an-improvement-on-the-ajcc-7th-edition
#3
Katherine Pollaers, Anton Hinton-Bayre, Peter L Friedland, Camile S Farah
OBJECTIVES: To explore the prognostic and discriminatory ability of the AJCC 8th Edition Oral Cavity cancer staging in a non-North American population, and compare it to the previously used AJCC 7th Edition. MATERIALS AND METHODS: Retrospective chart review was performed at a tertiary referral Otolaryngology, Head Neck and Skull Base Department in Australia, from June 2002 to June 2017. Oral cavity squamous cell carcinoma cases were staged according to AJCC 8th Edition, which was compared to AJCC 7th Edition staging, for disease-free survival (DFS) and overall survival (OS)...
July 2018: Oral Oncology
https://www.readbyqxmd.com/read/29909896/sentinel-node-biopsy-in-early-oral-squamous-cell-carcinomas-long-term-follow-up-and-nodal-failure-analysis
#4
A Moya-Plana, A Aupérin, J Guerlain, P Gorphe, O Casiraghi, G Mamelle, A Melkane, J Lumbroso, F Janot, S Temam
OBJECTIVES: Evaluate the reliability of sentinel node biopsy (SNB) in T1/T2 cN0 oral squamous cell carcinoma (OSCC), and compare recurrence-free time (RFT) and overall survival (OS) between patients undergoing SNB and neck dissection (ND). PATIENTS AND METHODS: Patients with T1/T2 cN0 OSCC underwent SNB followed by systematic ND in the first cohort and SNB followed by selective ND in case of positive sentinel nodes (SN) in the second cohort. RESULTS: A total of 229 patients were followed (first cohort 50, second cohort 179)...
July 2018: Oral Oncology
https://www.readbyqxmd.com/read/29907432/sensitivity-and-specificity-of-sentinel-lymph-node-biopsy-in-patients-with-oral-squamous-cell-carcinomas-using-indocyanine-green-fluorescence-imaging
#5
Ahmed Al-Dam, Clarissa Precht, Armelle Barbe, Carsten Kohlmeier, Henning Hanken, Johannes Wikner, Gerhard Schön, Max Heiland, Alexandre T Assaf
PURPOSE: The purpose of this clinical study was to evaluate the sensitivity and specificity of cervical sentinel lymph node biopsy after mapping with indocyanine green fluorescence (ICG) for imaging early-stage oral cancer. PATIENTS AND METHODS: A sentinel lymph node biopsy (SLNB) was performed during a selective neck dissection (SND) in 20 patients with oral squamous cell carcinoma (OSCC, cT1 or cT2, N0 status). The sentinel lymph nodes (SLN) were identified using an infrared video camera after ICG injection...
May 23, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29905028/adjuvant-radiotherapy-after-curative-surgery-for-oral-cavity-squamous-cell-carcinoma-and-treatment-effect-of-timing-and-duration-on-outcome-a-taiwan-cancer-registry-national-database-analysis
#6
Yung-Jen Cheng, Mu-Hung Tsai, Chun-Ju Chiang, Sen-Tien Tsai, Tsang-Wu Liu, Pei-Jen Lou, Chun-Ta Liao, Jin-Ching Lin, Joseph Tung-Chieh Chang, Ming-Hsui Tsai, Pen-Yuan Chu, Yi-Shing Leu, Kuo-Yang Tsai, Shyuang-Der Terng, Chih-Yen Chien, Muh-Hwa Yang, Sheng-Po Hao, Chuan-Cheng Wang, Ming-Hsun Tsai, Helen H W Chen, Chin Kuo, Yuan-Hua Wu
Conduct an accurate risk assessment of resected oral cavity squamous cell carcinoma (OSCC) patients by accessing a nationwide systemic investigation is pivotal to improve treatment outcomes. In this article, we tried to determine the impact of different prognostic factors for OSCC patients who received adjuvant radiotherapy (RT) after curative surgery, using Taiwan's national cancer registry database (TCR). A nationwide, large population-based study was conducted using TCR with patients identified from 2007 to 2015...
June 14, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29904026/nerve-growth-factor-ngf-receptor-survival-axis-in-head-and-neck-squamous-cell-carcinoma
#7
József Dudás, Wolfgang Dietl, Angela Romani, Susanne Reinold, Rudolf Glueckert, Anneliese Schrott-Fischer, Daniel Dejaco, Lejo Johnson Chacko, Raphaela Tuertscher, Volker Hans Schartinger, Herbert Riechelmann
Neurotrophins and their receptors might regulate cell survival in head and neck squamous cell carcinoma (HNSCC). mRNA expression of nerve growth factor (NGF) and protein synthesis of high (NTRK1) and low affinity neurotrophin (p75 neurotrophin receptor; NTR) receptors were investigated in normal oral mucosa and in HNSCC. HNSCC cell lines were treated with mitomycin C (MMC) and cell survival was investigated. Normal and malignant epithelial cells expressed NGF mRNA. NTRK1 was upregulated in 80% of HNSCC tissue, and 50% of HNSCC samples were p75NTR positive...
June 14, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29903623/immune-checkpoint-mediated-myositis-and-myasthenia-gravis-a-case-report-and-review-of-evaluation-and-management
#8
Kylie H Kang, William Grubb, Komal Sawlani, Michael K Gibson, Christopher J Hoimes, Lisa R Rogers, Pierre Lavertu, Min Yao
BACKGROUND: We present a case of myositis and possible overlapping neuromuscular junction disorder following treatment with nivolumab for recurrent/metastatic head and neck squamous cell carcinoma (HNSCC). METHODS: We report a 75-year-old man with recurrent stage IVA, T1N2cM0 oral cavity HNSCC treated with weight-dosed nivolumab who presented three weeks later with severe fatigue, generalized weakness, and bilateral ptosis. Evaluation demonstrated elevated creatine kinase and myopathic motor units on electromyography, supporting a diagnosis of an underlying muscle disease...
June 5, 2018: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29903195/-fatty-acid-desaturase-1-polymorphism-marine-fish-oil-intake-and-the-risk-of-oral-squamous-cell-carcinoma-a-case-control-study
#9
Fa Chen, Lin Chen, Lingjun Yan, Tingting Chen, Fengqiong Liu, Yu Qiu, Junfeng Wu, Xiaodan Bao, Xiaoyan Zheng, Zhijian Hu, Zheng Lin, Lin Cai, Lisong Lin, Baochang He
OBJECTIVE: To evaluate the independent and joint effects of FADS1 polymorphism and fish oil intake on oral squamous cell carcinoma( OSCC). METHODS: A case-control study was conducted with 259 newly diagnosed primary OSCC patients and538 controls frequency-matched by sex and age in Fujian from September 2010 to September 2014. Data on demographics and dietary habits such as marine fish oil intake were collected using a structure questionnaire. FADS1 rs174549 genotype was determined using Taq Man genotyping assays...
November 2017: Wei Sheng Yan Jiu, Journal of Hygiene Research
https://www.readbyqxmd.com/read/29901192/-corrigendum-long-non%C3%A2-coding-rna-h19-promotes-cell-proliferation-and-invasion-by-acting-as-a-cerna-of-mir%C3%A2-138-and-releasing-ezh2-in-oral-squamous-cell-carcinoma
#10
Yonglong Hong, Haitao He, Wen Sui, Jingge Zhang, Shenfu Zhang, Dajiang Yang
Following the publication of this article, we realize that the title appeared incorrectly: This appeared in print as "Long non‑coding RNA H1 promotes cell proliferation and invasion by acting as a ceRNA of miR‑138 and releasing EZH2 in oral squamous cell carcinoma", and the corrected title is now featured above ("H1" should have read as "H19"). Note that this error did not have any bearing on the results reported in the paper, or on the conclusions therein. We regret any inconvenience that this mistake has caused...
June 1, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29901096/telomerase-reverse-transcriptase-interference-synergistically-promotes-tumor-necrosis-factor%C3%A2-related-apoptosis%C3%A2-inducing-ligand%C3%A2-induced-oral-squamous-cell-carcinoma-apoptosis-and-suppresses-proliferation-in-vitro-and-in-vivo
#11
Xin Zhao, Cuicui Zhang, Zhiliang Le, Suyun Zeng, Chaobin Pan, Jianjie Shi, Jianguang Wang, Xiaopeng Zhao
Tumor necrosis factor‑related apoptosis‑inducing ligand (TRAIL) is known to induce cell apoptosis in many types of cancer cells. However, some malignant cells still exhibit anti‑apoptosis features induced by TRAIL; thus the underlying mechanisms that regulate sensitivity and resistance of tumor cells to TRAIL‑induced apoptosis remain unclear. Human telomerase reverse transcriptase (hTERT) is overexpressed in most types of human tumors and is mostly inactive in somatic cells. The present study aimed to investigate the endogenous effects and mechanisms of hTERT inhibition and TRAIL overexpression on TRAIL‑induced apoptosis of human oral squamous cell carcinoma (OSCC) cells...
June 7, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29900911/canonical-wnt-pathway-gene-expression-and-their-clinical-correlation-in-oral-squamous-cell-carcinoma
#12
Madhulaxmi Marimuthu, Manoharan Andiappan, Abdul Wahab, M R Muthusekhar, Anandan Balakrishnan, Sambandham Shanmugam
Aim: The aim of this study is to explore the prognostic significance and clinicopathological correlations of the Wnt pathway genes in a cohort of surgically treated patients with oral squamous cell carcinoma (OSCC) patients. Settings and Design: A prospective genetic study on patients with OSCC was carried out during the period from July 2014 to January 2016. Informed consent from patients and institutional ethical approval for the study was obtained and the guidelines were strictly followed for collection of samples...
May 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/29900797/mandibular-squamous-cell-carcinoma-in-a-rock-hyrax-procavia-capensis
#13
Adam D Naylor, Linda R Morrison, Simon J Girling, Dipl ZooMed
  A 9-yr-old, entire female captive rock hyrax ( Procavia capensis) was presented with a 1-wk history of sialorrhea. On clinical examination, a mass was identified, encompassing the rostral mandible and intermandibular area, with associated mucosal ulceration, marked gingival recession, and loosening or loss of adjacent teeth. Skull radiography and cytology of fine-needle aspirates of the mass were suggestive of squamous cell carcinoma. Based on a suspected poor prognosis, the animal was humanely euthanized...
June 2018: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/29896280/differences-and-similarities-in-the-phenomenon-of-nets-formation-in-oral-inflammation-and-in-oral-squamous-cell-carcinoma
#14
Marzena Garley, Dorota Dziemiańczyk-Pakieła, Kamil Grubczak, Arkadiusz Surażyński, Dorota Dąbrowska, Wioletta Ratajczak-Wrona, Jolanta Sawicka-Powierza, Jan Borys, Marcin Moniuszko, Jerzy A Pałka, Ewa Jabłońska
Taking into account the previously reported relationship between inflammation and carcinogenesis, and the scant amount of data concerning the role of neutrophil extracellular traps (NETs) in carcinogenesis, we decided to study the process of extracellular trap formation in patients with inflammation as well as in patients with cancer occurring in the same location. For preliminary isolation of neutrophils (PMNs), we used Polymorphprep™, then sorted with Microbeads. The cells were recorded in the incubation chamber with a BD Pathway 855 microscope system...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29896273/aberrant-dna-methylation-of-the-p16-apc-mgmt-timp3-and-cdh1-gene-promoters-in-tumours-and-the-surgical-margins-of-patients-with-oral-cavity-cancer
#15
Joanna Katarzyna Strzelczyk, Łukasz Krakowczyk, Aleksander Jerzy Owczarek
Oral cavity cancer is a type of head and neck squamous cell carcinoma (HNSCC) and contributes to significant morbidity and mortality each year. An epigenetic pathway of transcriptional inactivation for many genes has been described in various cancers, including HNSCC. For our study, we selected genes for which silencing caused by hypermethylation can promote cancer development. In 75 primary HNSCC tumours and paired surgical margins, we investigated the methylation status of the p16, APC, MGMT, TIMP3 and CDH1 gene promoters by methylation-specific PCR after bisulphite treatment...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29896272/genomic-and-epigenetic-signatures-associated-with-survival-rate-in-oral-squamous-cell-carcinoma-patients
#16
Ilda Patrícia Ribeiro, Francisco Caramelo, Luísa Esteves, Camila Oliveira, Francisco Marques, Leonor Barroso, Joana Barbosa Melo, Isabel Marques Carreira
Purpose: Although oral squamous cell carcinoma (OSCC) presents great mortality and morbidity worldwide, the mechanisms behind its clinical behavior remain unclear. Biomarkers are needed to forecast patients' survival and, among those patients undergoing curative therapy, which are more likely to develop tumor recurrence/metastasis. Demonstrating clinical relevance of these biomarkers could be crucial both for surveillance and in helping to establish adjuvant therapy strategies. We aimed to identify genomic and epigenetic biomarkers of OSCC prognosis as well as to explore a noninvasive strategy to perform its detection...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29895129/overexpression-of-adam10-in-oral-squamous-cell-carcinoma-with-metastases
#17
Olga Stasikowska-Kanicka, Małgorzata Wągrowska-Danilewicz, Paulina Kulicka, Marian Danilewicz
ADAMs (a disintegrin and metalloproteinase) are important mediators of cell signalling events, which play a role in the pathogenesis and progression of cancers. Immunohistochemical method was used to examine the immunoexpression of ADAM10 and microvessel density in 80 cases of oral squamous cell carcinoma (OSCC): without metastases - OSCC M(-) (n = 38), and with metastases - OSCC M(+) (n = 42), in 24 cases of oral leukoplakia (OLK), (15 cases with low-grade dysplasia - OLK-LG, and 9 cases with high-grade dysplasia - OLK-HG), and 19 controls...
2018: Polish Journal of Pathology: Official Journal of the Polish Society of Pathologists
https://www.readbyqxmd.com/read/29894707/silencing-pfkp-inhibits-starvation-induced-autophagy-glycolysis-and-epithelial-mesenchymal-transition-in-oral-squamous-cell-carcinoma
#18
Guanhui Chen, Haichao Liu, Yadong Zhang, Jianfeng Liang, Yue Zhu, Ming Zhang, Dongsheng Yu, Cheng Wang, Jinsong Hou
The tumor starvation microenvironment plays a pivotal role in the malignant progression of cancer, which is closely related to autophagy, glycolysis, and epithelial mesenchymal transition (EMT). Nevertheless, the underlying mechanisms of the starvation-mediated malignant phenotype are still not well documented. In this study, we aimed to investigate the effect of starvation on glycolysis, autophagy, and EMT in OSCC and to further elucidate the key metabolic modulator. The results showed that starvation can induce autophagy, EMT, and enhanced glycolysis in OSCC cells...
June 9, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29894408/long-term-topical-corticosteroid-use-and-risk-of-skin-cancer-a-systematic-review
#19
Sonia Ratib, Esther Burden-Teh, Jo Leonardi-Bee, Catherine Harwood, Fiona Bath-Hextall
OBJECTIVE: The objective of this systematic review was to synthesize available research evidence to determine the risk of skin cancer in patients with long-term use of topical corticosteroids (TCS). INTRODUCTION: Topical corticosteroids are one of the most commonly prescribed medicines in dermatology and the mainstay of the treatment of atopic dermatitis and other skin conditions such as psoriasis. They are often required for months or years to control the disease and ultimately restore patients' quality of life...
June 2018: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/29893337/a-correlation-of-immunohistochemical-expression-of-tp53-and-cdkn1a-in-oral-epithelial-dysplasia-and-oral-squamous-cell-carcinoma
#20
Jay Ashokkumar Pandya, Karen Boaz, Srikant Natarajan, Nidhi Manaktala, K P Nandita, Amitha J Lewis
Purpose: Oral epithelial dysplasia (OED) occurs on exposure of epithelial cells to carcinogens and genetic alteration. Once the reversible cell damage is surpassed, cells either undergo apoptosis or transform into malignancy, chiefly oral squamous cell carcinoma (OSCC). Progressive accumulation of genetic errors (including mutations in TP53 and CDKN1A) is associated with the initiation and progression of potentially malignant oral lesions toward frank malignancy. The present study attempted to correlate the immunohistochemical expression of CDKN1A and TP53 with increasing severity of OED along with increased aggressiveness of OSCC as reflected in the clinicopathologic variables...
April 2018: Journal of Cancer Research and Therapeutics
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