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squamous carcinoma

Hongfang Zhang, Conghua Xie, Jing Yue, Zhenzhen Jiang, Rongjing Zhou, Ruifei Xie, Yan Wang, Shixiu Wu
Previous studies on the mechanisms underlying ESCC (esophageal squamous cell carcinoma) chemoresistance only focused on tumor cells while tumor microenvironment has been completely ignored. Our study aimed to clarify the effect of CAFs (cancer-associated fibroblasts), one major component of tumor microenvironment, on the chemoresistance of ESCC. By primary culture, two pairs of CAFs and matched NFs (normal fibroblasts) were isolated from tumor tissues of ESCC patients and matched normal esophageal epithelial tissues, respectively...
October 21, 2016: Molecular Carcinogenesis
Li Gao, Sheng Xie, Hui Liu, Pingping Liu, Yan Xiong, Jiping Da, Chengli Que, Huaping Dai, Chen Wang
OBJECTIVE: Combined pulmonary fibrosis and emphysema (CPFE) is a newly defined entity that comprises upper lobe emphysema and lower lobe fibrosis. Patients with CPFE are at high risk for lung cancer and have poor prognoses. To investigate the clinical and pathological characteristics of lung cancer with CPFE, lung cancers with CPFE and Non-CPFE interstitial lung disease (ILD) were reevaluated by 2015 WHO classification and compared. METHODS: A total of 60 patients with histologically proven lung cancer were selected from the database of two institutional medical centers...
October 21, 2016: Clinical Respiratory Journal
Katharina Meier, Stefan K Drexler, Franziska C Eberle, Karine Lefort, Amir S Yazdi
Apoptosis-associated speck-like protein containing a caspase recruitment domain (ASC) is an important adaptor protein for inflammasome activation, mediating the secretion of protumorigenic innate cytokines. However, ASC is also known to trigger apoptosis in tumor cells, acting as a tumor-suppressor gene, which is lost in several human cancers. The aim of this study was to evaluate the clinical significance of ASC in human cutaneous squamous cell carcinoma (SCC). Initially, ASC expression was immunohistochemically evaluated in non-metastic and metastatic SCC...
2016: PloS One
Yong-Sik Bong, Shahin Assefnia, Therese Tuohy, Deborah W Neklason, Randall W Burt, Jaeil Ahn, Hao-Wen J Jiang, Stephen W Byers
Vitamin D is implicated in the etiology of cancers of the gastrointestinal tract, usually characterized by alteration in the APC/β-catenin/TCF tumor suppressor pathway. The vitamin D receptor (VDR) is also implicated in cardiovascular and skin diseases as well as in immunity. Activated VDR can indirectly alter β-catenin nuclear localization and directly suppress β-catenin/TCF mediated transcriptional activity. We treated VDR null mice with the carcinogen azoxymethane (AOM) and generated mice bearing a mutated APC (hypomorph) on a VDR null background (Apc1638N/+Vdr-/-)...
October 19, 2016: Oncotarget
R C Gerring, C T Ott, J M Curry, Z B Sargi, S T Wester
PurposeTo describe prognostic factors and survival outcomes in patients who underwent orbital exenteration for periocular non-melanoma cutaneous malignancies.MethodsThe authors performed an institutional review board-approved retrospective review of all patients who underwent orbital exenteration for non-melanoma periocular cutaneous malignancies at a tertiary care hospital system over a 10-year period. Patient demographics, tumor, and treatment data were recorded. Survival outcomes included disease-free survival (DFS) and overall survival (OS)...
October 21, 2016: Eye
Pablo Fernández-Crehuet, Ricardo Ruiz-Villaverde, Juan J Rios-Martin, Amalia Pérez-Gil, Francisco Camacho-Martinez
No abstract text is available yet for this article.
October 21, 2016: Dermatologic Therapy
Shin Yup Lee, Cheng Cheng Jin, Jin Eun Choi, Mi Jeong Hong, Deuk Kju Jung, Sook Kyung Do, Sun Ah Baek, Hyo Jung Kang, Hyo-Gyoung Kang, Sun Ha Choi, Won Kee Lee, Yangki Seok, Eung Bae Lee, Ji Yun Jeong, Kyung Min Shin, Sukki Cho, Seung Soo Yoo, Jaehee Lee, Seung Ick Cha, Chang Ho Kim, You Mie Lee, In-Kyu Lee, Sanghoon Jheon, Jae Yong Park
This study was conducted to investigate whether polymorphisms of genes involved in glycolysis are associated with the prognosis of patients with non-small cell lung cancer (NSCLC) after surgical resection. Forty-four single nucleotide polymorphisms (SNPs) of 17 genes in glycolytic pathway were investigated in a total of 782 patients with NSCLC who underwent curative surgical resection. The association of the SNPs with overall survival (OS) and disease free survival (DFS) were analyzed. Among the 44 SNPs investigated, four SNPs (ENO1 rs2274971A > G, PFKM rs11168417C > T, PFKP rs1132173C > T, PDK2 rs3785921G > A) were significantly associated with survival outcomes in multivariate analyses...
October 21, 2016: Scientific Reports
K K Dey, R Bharti, G Dey, I Pal, Y Rajesh, S Chavan, S Das, C K Das, B C Jena, P Halder, J G Ray, I Kulavi, M Mandal
Oral cancer consists of squamous cell carcinoma within the oral cavity or on the lip. The clinical prognosis of this cancer is mostly poor owing to delayed diagnosis and a lack of appropriate early detection biomarkers to identify the disease. In the current study, we investigated the role of the S100A7 calcium-binding protein in oral squamous cell carcinoma as an activator of the p38/MAPK and RAB2A signaling pathway. The aim of the present study was to determine whether S100A7 and RAB2A have a role in tumor progression and to assess their potential as early detection biomarkers for oral cancer...
October 21, 2016: Cancer Gene Therapy
Hideomi Yamashita, Ryousuke Takenaka, Kae Okuma, Kuni Ootomo, Keiichi Nakagawa
BACKGROUND: A prospective study was performed on the use of chemoradiotherapy (CRT) for esophageal cancer (EC) with involved-field radiation therapy (IFRT), based on 18-fluorodeoxyglucose positron-emission tomography. Prognostic factors for overall survival (OS) were analyzed. METHODS: Eligible patients included 63 adults with newly diagnosed, untreated, inoperable stage I-IV EC with lymph node metastases. Patients received 80 mg/m(2) nedaplatin per day on day 1, 800 mg/m(2) 5-fluorouracil on days 1-4 intravenously repeated every 28 days for two to four cycles, and combined IFRT...
September 2016: Thoracic Cancer
Bingwen Zou, Jing Pang, Yongmei Liu, Yong Xu, Lu Li, Lin Zhou, Jiang Zhu, Meijuan Huang, Jin Wang, Li Ren, Youlin Gong, You Lu, Longqi Chen, Feng Peng
BACKGROUND: We compared the efficacy of postoperative chemoradiation (POCRT) and surgery alone (SA) in patients with stage II-III esophageal squamous cell carcinoma (ESCC). METHODS: We analyzed the records of 265 patients with stage II-III ESCC who had undergone transthoracic esophagectomy and lymphadenectomy; 105 patients received POCRT, while 160 had SA. RESULTS: The median disease-free survival (DFS) of the whole cohort was 22 months (95% confidence interval [CI], 19...
September 2016: Thoracic Cancer
De-Jun Li, Mo Shi, Zhou Wang
BACKGROUND: Preoperative chemoradiation combined with surgery has been of focus recently in order to improve prognosis in esophageal squamous cell carcinoma (ESCC) patients. Finding biological markers that may assist in predicting the therapeutic effect of chemoradiation may benefit the treatment effect. In this study, the role of RUNX3 in the formation of cisplatin resistance in ESCC was examined. METHODS: The study enrolled 103 stage IIa-IIIb ESCC patients who had undergone esophagectomy...
September 2016: Thoracic Cancer
P M Jeene, E Versteijne, M I van Berge Henegouwen, J J G H M Bergmann, E D Geijsen, K Muller, H W M van Laarhoven, M C C M Hulshof
The aim of this study was to determine the outcome of salvage definitive chemoradiation (dCRT) for a locoregional recurrence after any prior curative treatment outside previously irradiated areas. Thirty-nine patients treated between January 2005 and December 2014 were reviewed for locoregional recurrent esophageal cancer outside previously irradiated areas. All patients received salvage treatment with external beam radiotherapy (50.4 Gy in 28 fractions) combined with weekly concurrent paclitaxel and carboplatin...
October 21, 2016: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
Nir Hirshoren, Olivia Ruskin, Tsien Fua, Stephen Kleid, Matthew Magarey, Benjamin Dixon
BACKGROUND: Transoral robotic surgery (TORS) is now a well-validated technique for resection of head and neck cancers. Benefits include reduced patient morbidity, swallowing preservation and rationalization of adjuvant therapies. METHODS: This was a single-centre, retrospective review of 35 patients who underwent TORS of oro-, retro- and parapharyngeal tumours between March 2014 and August 2015. Outcome measures included resection margins, swallowing function and impact on post-operative radiotherapy...
October 21, 2016: ANZ Journal of Surgery
Tianbo Jin, Xiaohong Wu, Hua Yang, Ming Liu, Yongjun He, Xue He, Xugang Shi, Fengjiao Wang, Shuli Du, Yajuan Ma, Shan Bao, Dongya Yuan
MicroRNAs (miRNAs) are key regulators of gene expression; however, the extent to which single nucleotide polymorphisms (SNPs) interfere with miRNA gene regulation and affect cervical cancer (CC) susceptibility remains largely unknown. Here, we systematically analyzed miRNA-related SNPs and their association with CC risk, and performed a case-control study of miR-17-5p SNPs and CC risk in a Chinese population. Sixteen SNPs were genotyped in 247 CC cases and 285 controls. Three were associated with CC risk (p < 0...
September 28, 2016: Oncotarget
Hiroko Mataki, Naohiko Seki, Keiko Mizuno, Nijiro Nohata, Kazuto Kamikawaji, Tomohiro Kumamoto, Keiichi Koshizuka, Yusuke Goto, Hiromasa Inoue
Patients with lung adenocarcinoma may benefit from recently developed molecular targeted therapies. However, analogous advanced treatments are not available for patients with lung squamous cell carcinoma (lung SCC). The survival rate of patients with the advanced stage of lung SCC remains poor. Exploration of novel lung SCC oncogenic pathways might lead to new treatment protocols for the disease. Based on this concept, we have identified microRNA- (miRNA) mediated oncogenic pathways in lung SCC. It is well known that miR-145-5p (the guide strand) functions as a tumor suppressor in several types of cancer...
September 27, 2016: Oncotarget
Lili Zhang, Marianne Gallup, Lorna Zlock, Yu Ting Feeling Chen, Walter E Finkbeiner, Nancy A McNamara
Lung cancer is the leading cause of cancer-related death, and 87% of these deaths are directly attributable to smoking. Using three-dimensional cultures of primary human bronchial epithelial cells, we demonstrated that loss of adherens junction protein, epithelial cadherin, and the aberrant interaction of its adherens junction binding partner, p120-catenin (p120ctn), with the cytoplasmic tail of apical mucin-1 (MUC1-CT) represent initiating steps in the epithelial-to-mesenchymal transition. Smoke provoked the rapid nuclear entry of p120ctn in complex with MUC1-CT that was inhibited using the MUC1-CT inhibitory peptides, PMIP and GO-201...
October 17, 2016: American Journal of Pathology
Ch Kähling, T Langguth, F Roller, T Kroll, G Krombach, M Knitschke, Ph Streckbein, H P Howaldt, J-F Wilbrand
BACKGROUND: An accurate preoperative assessment of cervical lymph node status is a prerequisite for individually tailored cancer therapies in patients with oral squamous cell carcinoma. The detection of malignant spread and its treatment crucially influence the prognosis. The aim of the present study was to analyze the different staging modalities used among patients with a diagnosis of primary oral squamous cell carcinoma between 2008 and 2015. MATERIAL AND METHODS: An analysis of preoperative staging findings, collected by clinical palpation, ultrasound, and computed tomography (CT), was performed...
September 23, 2016: Journal of Cranio-maxillo-facial Surgery
Hui-Mei Lee, Vyomesh Patel, Lie-Fen Shyur, Wai-Leng Lee
BACKGROUND: Oral cancer is the sixth most common cancer worldwide and 90% of oral malignancies are caused by oral squamous cell carcinoma (OSCC). Curcumin, a phytocompound derived from turmeric (Curcuma longa) was observed to have anti-cancer activity which can be developed as an alternative treatment option for OSCC. However, OSCC cells with various clinical-pathological features respond differentially to curcumin treatment. HYPOTHESIS: Intracellular copper levels have been reported to correlate with tumor pathogenesis and affect the sensitivity of cancer cells to cytotoxic chemotherapy...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Marco A O Magalhaes, Gino R Somers, Paula Sikorski, Vito Forte, Moustafa Abouzgia, Edward Barrett, Grace Bradley
Oral squamous cell carcinoma (OSCC) is extremely rare in patients younger than 20 years of age. We present here a case of OSCC of the maxillary alveolar ridge in an otherwise healthy 8-year-old patient. The clinicohistologic presentation was not typical for mucosal SCC, and the possibility of an intrabony origin from the odontogenic epithelium was considered. The patient was treated with surgical resection, and treatment decisions were made with consideration of the need for eradication of tumor as well as tissue preservation to allow normal growth and development...
November 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
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No abstract text is available yet for this article.
November 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
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