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Tongue carcinoma

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https://www.readbyqxmd.com/read/28108672/stromal-interaction-molecule-1-stim1-regulates-growth-cell-cycle-and-apoptosis-of-human-tongue-squamous-carcinoma-cells
#1
Xiaobo Cui, Laixiao Song, Yunfei Bai, Yaping Wang, Boqian Wang, Wei Wang
Oral tongue squamous carcinoma (OTSCC) is the most common type of cancer of oral carcinomas. However, the molecular mechanism by which OTSCC development is not fully identified. Stromal interaction molecule 1 (STIM1) is a transmembrane protein, mainly located in the endoplasmic reticulum (ER). STIM1 is involved in several types of cancers. Here we report that STIM1 contributes to the development of human OTSCC. We knocked down STIM1 in OTSCC cell line Tca-8113 with lentivirus-mediated shRNA and found that SITM1 knockdown repressed the proliferation of Tca-8113 cells...
January 20, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28105346/human-papillomavirus-is-a-favourable-prognostic-factor-in-cancer-of-unknown-primary-in-the-head-and-neck-region-and-in-hypopharyngeal-cancer
#2
Lars Sivars, Cinzia Bersani, Nathalie Grün, Torbjörn Ramqvist, Eva Munck-Wikland, Christian Von Buchwald, Tina Dalianis
Human papillomavirus (HPV), in addition to smoking and alcohol, is a cause of oropharyngeal squamous cell carcinoma (OPSCC), particularly of the tonsils and base of the tongue (TSCC and BOTSCC, respectively). Moreover, HPV-positive TSCC and BOTSCC are associated with a better outcome compared with their HPV-negative counterparts (80 vs. 40% 3-year disease-free survival rate, respectively) and their incidence has increased in several countries. Recently, accumulating evidence of HPV in a considerable proportion of cancers of unknown primary (CUP) in the head and neck region and in a small proportion of hypopharyngeal SCCs has been reported...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28102324/antiproliferative-and-apoptosis-inducing-effect-of-exo-protoporphyrin-ix-based-sonodynamic-therapy-on-human-oral-squamous-cell-carcinoma
#3
Yanhong Lv, Jinhua Zheng, Qi Zhou, Limin Jia, Chunying Wang, Nian Liu, Hong Zhao, Hang Ji, Baoxin Li, Wenwu Cao
Sonodynamic therapy (SDT) is an innovative modality for cancer treatment. But the biological effect of SDT on oral squamous cell carcinoma has not been studied. Our previous study has shown that endo-Protoporphyrin IX based SDT (ALA-SDT) could induce apoptosis in human tongue squamous carcinoma SAS cells through mitochondrial pathway. Herein, we investigated the effect of exo- Protoporphyrin based SDT (PpIX-SDT) on SAS cells in vitro and in vivo. We demonstrated that PpIX-SDT increased the ratio of cells in the G2/M phase and induced 3-4 times more cell apoptosis compared to sonocation alone...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28099223/median-lingual-lymph-nodes-prevalence-on-imaging-and-potential-implications-for-oral-cavity-cancer-staging
#4
Courtney M Tomblinson, Thomas H Nagel, Leland S Hu, Matthew A Zarka, Joseph M Hoxworth
OBJECTIVE: This study sought to estimate the prevalence of median lingual lymph node (MLLN) metastases from oral cavity squamous cell carcinoma (OCSCC) and determine the frequency with which MLLNs can be identified with magnetic resonance imaging (MRI) in control subjects. METHODS: Pathology reports were used to identify patients with surgically treated OCSCC who underwent preoperative positron emission tomography-computed tomography to define the prevalence of MLLN metastases...
January 18, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28096697/mir-486-3p-mir-139-5p-and-mir-21-as-biomarkers-for-the-detection-of-oral-tongue-squamous-cell-carcinoma
#5
Zujian Chen, Tianwei Yu, Robert J Cabay, Yi Jin, Ishrat Mahjabeen, Xianghong Luan, Lei Huang, Yang Dai, Xiaofeng Zhou
Oral tongue squamous cell carcinoma (TSCC) is a complex disease with extensive genetic and epigenetic defects, including microRNA deregulation. The aims of the present study were to test the feasibility of performing the microRNA profiling analysis on archived TSCC specimens and to assess the potential diagnostic utility of the identified microRNA biomarkers for the detection of TSCC. TaqMan array-based microRNA profiling analysis was performed on 10 archived TSCC samples and their matching normal tissues. A panel of 12 differentially expressed microRNAs was identified...
2017: Biomarkers in Cancer
https://www.readbyqxmd.com/read/28095396/tenascin-c-and-fibronectin-expression-divide-early-stage-tongue-cancer-into-low-and-high-risk-groups
#6
Elias Sundquist, Joonas H Kauppila, Johanna Veijola, Rayan Mroueh, Petri Lehenkari, Saara Laitinen, Juha Risteli, Ylermi Soini, Veli-Matti Kosma, Iris Sawazaki-Calone, Carolina Carneiro Soares Macedo, Risto Bloigu, Ricardo D Coletta, Tuula Salo
BACKGROUND: Oral tongue squamous cell carcinoma (OTSCC) metastasises early, especially to regional lymph nodes. There is an ongoing debate on which early stage (T1-T2N0) patients should be treated with elective neck dissection. We need prognosticators for early stage tongue cancer. METHODS: Mice immunisation with human mesenchymal stromal cells resulted in production of antibodies against tenascin-C (TNC) and fibronectin (FN), which were used to stain 178 (98 early stage), oral tongue squamous cell carcinoma samples...
January 17, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28094218/cribriform-adenocarcinoma-of-the-soft-palate-with-multiple-lymph-node-metastasis-and-long-term-follow-up
#7
Fernanda Viviane Mariano, Renata Freitas Varanda, Luciana Schultz, Marcelo Brum Correa, Oslei Paes de Almeida, Albina Atemani, Márcio Ajudarte Lopes
INTRODUCTION: Cribriform adenocarcinoma of the tongue and minor salivary glands (CATMSG) is a recently described entity, with most cases previously published as polymorphous low-grade adenocarcinoma (PLGA). Typical cases share some main characteristics, such as oral sites (mainly tongue), regional lymph node metastasis, and morphology resembling solid and follicular variants of papillary thyroid carcinoma. OBJECTIVE: To present a CATMSG and emphasize the importance of reclassifying PLGAs with unusual behavior...
November 1, 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28092646/ex-vivo-nonviral-gene-delivery-of-%C3%AE-opioid-receptor-to-attenuate-cancer-induced-pain
#8
Seiichi Yamano, Chi T Viet, Dongmin Dang, Jisen Dai, Shigeru Hanatani, Tadahiro Takayama, Hironori Kasai, Kentaro Imamura, Ron Campbell, Yi Ye, John C Dolan, William Myung Kwon, Stefan D Schneider, Brian L Schmidt
Virus-mediated gene delivery shows promise for the treatment of chronic pain. However, viral vectors have cytotoxicity. To avoid toxicities and limitations of virus-mediated gene delivery, we developed a novel nonviral hybrid vector: HIV-1 Tat peptide sequence modified with histidine and cysteine residues combined with a cationic lipid. The vector has high transfection efficiency with little cytotoxicity in cancer cell lines including HSC-3 (human tongue squamous cell carcinoma) and exhibits differential expression in HSC-3 (∼45-fold) relative to HGF-1 (human gingival fibroblasts) cells...
February 2017: Pain
https://www.readbyqxmd.com/read/28081307/the-demographics-and-histopathological-features-of-oral-cavity-cancers-in-turkey
#9
Mehmet Düzlü, Recep Karamert, Faruk Kadri Bakkal, Raşit Cevizci, Hakan Tutar, Mehmet Ekrem Zorlu, Alper Dilci, Fakih Cihat Eravcı
BACKGROUND/AIM: This study aimed to examine the demographics and histopathological features of oral cavity cancers (OCCs) managed in our clinic. MATERIALS AND METHODS: Patients who were diagnosed with OCCs in the Gazi University Otorhinolaryngology Department between the years 1993 and 2013 were retrospectively enrolled in the study. Surgical archive charts and pathology records were reviewed in detail regarding the anatomical and histopathological profiles of the tumors, as well as the demographic data of the patients...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28081185/upregulated-expression-of-transient-receptor-potential-cation-channel-subfamily-v-receptors-in-mucosae-of-patients-with-oral-squamous-cell-carcinoma-and-patients-with-a-history-of-alcohol-consumption-or-smoking
#10
Akiko Sakakibara, Shunsuke Sakakibara, Junya Kusumoto, Daisuke Takeda, Takumi Hasegawa, Masaya Akashi, Tsutomu Minamikawa, Kazunobu Hashikawa, Hiroto Terashi, Takahide Komori
OBJECTIVES: Transient receptor potential cation channel (subfamily V, members 1-4) (TRPV1-4) are expressed in skin and neurons and activated by external stimuli in normal mucosae of all oral cavity sites. The oral cavity is exposed to various stimuli, including temperature, mechanical stimuli, chemical substances, and changes in pH, and, notably, the risk factors for oncogenic transformation in oral squamous epithelium are the same as the external stimuli received by TRPV1-4 receptors...
2017: PloS One
https://www.readbyqxmd.com/read/28080906/oral-squamous-cell-carcinoma-in-an-aged-captive-white-rhinoceros-ceratotherium-simum
#11
Sandra Langer, Nadine Czerwonka, Kerstin Ternes, Dr Werner Herbst, Kernt Koehler
A 48-yr-old captive white rhinoceros ( Ceratotherium simum ) was euthanized due to old age, pododermatitis, and progressive laminitis of the middle toe of the left fore- and hindlimbs. Severe chronic necrotizing periodontitis and dental loss was diagnosed, although food intake prior to death had not decreased. In addition, extensive ulceration of the tongue was noted. Histologically, squamous cell carcinoma of the tongue was diagnosed with chronic severe ulcerative glossitis. Metastatic lesions were not detected...
December 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28072991/-expression-of-oct4-and-sox2-and-their-clinical-significance-in-tongue-squamous-cell-carcinoma
#12
X D Jiang, G Luo, X H Wang, L L Chen, X Ke, Y Li
Objective: To investigate Oct4 and Sox2 protein expression in tongue squamous cell carcinoma (TSCC) and the relationships between the expressions of Oct4 and Sox2 and clinical pathological characteristics and survival of patients. Methods: The paraffin imbedded tissue specimens of 51 patients with histologically confirmed TSCC were included. Immunohistochemistry was employed to detect the protein expression of Oct4 and Sox2 in 51 TSCC tissue samples. The protein expression levels of Oct4 and Sox2 and their relationships with both clinicopathological features and survival of patients with TSCC were evaluated...
January 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28061358/prognostic-factors-of-oral-squamous-cell-carcinoma-in-young-patients-a-systematic-review
#13
REVIEW
Everton Freitas de Morais, Rodrigo Porpino Mafra, Amanda Katarinny Goes Gonzaga, Dyego Leandro Bezerra de Souza, Leão Pereira Pinto, Éricka Janine Dantas da Silveira
PURPOSE: The objective of this review was to identify clinical and pathologic factors related to the prognosis of oral squamous cell carcinoma in young patients. MATERIALS AND METHODS: We conducted a literature search of articles indexed in PubMed (MEDLINE), Scopus, and Science Direct. Prospective and retrospective cohort studies published in English, Portuguese, or Spanish were included. An age threshold of 45 years was established for the purpose of selection...
December 21, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28060365/newly-described-salivary-gland-tumors
#14
Alena Skalova, Michal Michal, Roderick Hw Simpson
This review concentrates on three salivary gland tumors that have been accepted in the recent literature as new neoplastic entities: mammary analog secretory carcinoma (MASC), sclerosing polycystic adenoma (SPA) and cribriform adenocarcinoma of tongue and other minor salivary glands (CAMSGs). MASC is a distinctive low-grade malignant salivary cancer that harbors a characteristic chromosomal translocation, t(12;15) (p13;q25) resulting in an ETV6-NTRK3 fusion. SPA is a rare lesion often mistaken histologically for low-grade salivary carcinoma...
January 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28057062/granular-cell-tumor-mimicking-a-squamous-cell-carcinoma-of-the-tongue-a-case-report
#15
Jean Carlos Barbosa Ferreira, Angélica Ferreira Oton-Leite, Rafaela Guidi, Elismauro Francisco Mendonça
BACKGROUND: Granular cell tumor is a rare benign tumor that can present a pseudoepitheliomatous hyperplasia of the covering epithelium. This lesion is not encapsulated and can be characterized by a pseudo invasive growth pattern, represented by the tumoral cells that infiltrate between adjacent connective tissue elements. Diagnostic difficulties may arise because histopathological features of the pronounced pseudoepitheliomatous hyperplasia can be confused with a well-differentiated oral squamous cell carcinoma...
January 3, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28048650/su-f-t-195-systematic-constraining-of-contralateral-parotid-gland-led-to-improved-dosimetric-outcomes-for-multi-field-optimization-with-scanning-beam-proton-therapy-promising-results-from-a-pilot-study-in-patients-with-base-of-tongue-carcinoma
#16
R Wu, C Crowford, R Georges, A Liu, M Amin, T Sio, B Gunn, F Poenisch, M Palmer, M Gillin, S Frank, X Zhu
PURPOSE: Treatment planning for Intensity Modulated Proton Therapy (IMPT) for head and neck cancer is time-consuming due to the large number of organs-at-risk (OAR) to be considered. As there are many competing objectives and also wide range of acceptable OAR constraints, the final approved plan may not be most optimal for the given structures. We evaluated the dose reduction to the contralateral parotid by implementing standardized constraints during optimization for scanning beam proton therapy planning...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046847/su-g-iep1-05-diffusion-kurtosis-imaging-for-oropharyngeal-cancer-detection
#17
Y Ding, A Mohamed, J Ma, S Frank, J Wang, C Fuller
PURPOSE: Diffusion kurtosis imaging (DKI) is an emerging diffusion MRI technique in cancer diagnosis applications. The objective of this study is to compare DKI with conventional diffusion weighted imaging (DWI) for diagnosis of head and neck cancer. METHODS: Five male patients with histologically documented phase II/III squamous cell carcinoma of the oropharynx were included in this study. DKI (with 6 b-values of 0-2000 s/mm2) and conventional DWI data were acquired at a 3...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28045344/contrast-enhanced-ultrasound-mapping-of-sentinel-lymph-nodes-in-oral-tongue-cancer-a-pilot-study
#18
Gvetadze R Shalva, P Xiong, Mingming Lv, J Li, J Hu, Konstantin Ilkaev, Xin Yang, Jian Sun
OBJECTIVES: To assess the usefulness of contrast-enhanced ultrasound with peritumoral injection of microbubble contrast agent for detecting the sentinel lymph nodes for oral tongue carcinoma. METHODS: Preliminary study, case series. The study was carried out on 12 patients withT1-2cN0 oral tongue cancer. A radical resection of the primary disease was planned, a modified radical supraomohyoid neck dissection was reserved for patients owing larger lesions (T2, n=8)...
January 3, 2017: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/28042980/extensive-regional-metastasis-of-high-grade-mucoepidermoid-carcinoma-of-an-unknown-primary%C3%A2-tumor
#19
Naseem Ghazali, Alyssa Flashburg, Robert A Ord
PURPOSE: Mucoepidermoid carcinoma (MEC) is the most common salivary carcinoma. It arises most frequently in the major salivary glands but can also arise in minor glands or intraosseous sites. MEC of an unknown primary occurs very rarely. The present report documents only the third case reported in medical studies. METHODS: A 66-year-old man with previous carcinoma in situ (CIS) of the left posterior oral tongue that had been excised in 2004 and again in 2010 presented with a hard lymph node, 3 × 2 cm at level II of the right neck in July 2015...
December 15, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28039488/upar-targeted-optical-near-infrared-nir-fluorescence-imaging-and-pet-for-image-guided-surgery-in-head-and-neck-cancer-proof-of-concept-in-orthotopic-xenograft-model
#20
Anders Christensen, Karina Juhl, Morten Persson, Birgitte Wittenborg Charabi, Jann Mortensen, Katalin Kiss, Giedrius Lelkaitis, Niclas Rubek, Christian von Buchwald, Andreas Kjær
PURPOSE: Urokinase-like Plasminogen Activator Receptor (uPAR) is overexpressed in a variety of carcinoma types, and therefore represents an attractive imaging target. The aim of this study was to assess the feasibility of two uPAR-targeted probes for PET and fluorescence tumor imaging in a human xenograft tongue cancer model. EXPERIMENTAL DESIGN AND RESULTS: Tumor growth of tongue cancer was monitored by bioluminescence imaging (BLI) and MRI. Either ICG-Glu-Glu-AE105 (fluorescent agent) or 64Cu-DOTA-AE105 (PET agent) was injected systemically, and fluorescence imaging or PET/CT imaging was performed...
December 27, 2016: Oncotarget
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