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Parikshaa Gupta, Dipanjan Haldar, Jasmine Naru, Pranab Dey, Ashutosh Nath Aggarwal, Ranjana Walker Minz, Ritu Aggarwal
BACKGROUND: Oncogenic viruses have recently been allied with lung carcinoma, however, the causal association has not been established till date. The study was conducted to determine the prevalence of high-risk Human papillomavirus (HPV; subtypes 16, 18, 31, 33 and 45), Epstein-Barr virus (EBV) and cytomegalovirus (CMV) in lung carcinoma using polymerase chain reaction (PCR) on fine needle aspirates. METHODS: Fine needle aspirates of patients with lung carcinoma were included as cases...
October 24, 2016: Diagnostic Cytopathology
T-C Chou, K-B Tsai, C-Y Wu, C-H Hong, C-H Lee
We present a case of Merkel cell carcinoma (MCC) coincident with squamous cell carcinoma (SCC) on the breast of a woman with chronic arsenism. This case demonstrates the distinct association of chronic arsenism with two different primary cutaneous carcinomas. Merkel cell polyomavirus (MCPyV) was identified in the lesional skin of the MCC but not in that of the SCC, suggesting there are different interactions of MCPyV in the pathogenesis of SCC and MCC related to arsenic. Physicians need to be vigilant in the occurrence of both SCC and MCC in patients with chronic arsenism...
October 23, 2016: Clinical and Experimental Dermatology
Johanna Korvala, Kowan Jee, Emmi Porkola, Alhadi Almangush, Neda Mosakhani, Carolina Bitu, Nilva K Cervigne, Flávia S Zandonadi, Gabriela V Meirelles, Adriana Franco Paes Leme, Ricardo D Coletta, Ilmo Leivo, Tuula Salo
Complex molecular pathways regulate cancer invasion. This study overviewed proteins and microRNAs (miRNAs) involved in oral tongue squamous cell carcinoma (OTSCC) invasion. The human highly aggressive OTSCC cell line HSC-3 was examined in a 3D organotypic human leiomyoma model. Non-invasive and invasive cells were laser-captured and protein expression was analyzed using mass spectrometry-based proteomics and miRNA expression by microarray. In functional studies the 3D invasion assay was replicated after silencing candidate miRNAs, miR-498 and miR-940, in invasive OTSCC cell lines (HSC-3 and SCC-15)...
October 20, 2016: Experimental Cell Research
Laveniya Satgunaseelan, Sohaib Virk, Trina Lum, N Gopalakrishna Iyer, Ruta Gupta, Jonathan Clark
No abstract text is available yet for this article.
February 2016: Pathology
Gennaro Altamura, Annunziata Corteggio, Giuseppe Borzacchiello
A possible causative role of Felis catus papillomavirus type 2 (FcaPV2) in the development of feline oral and cutaneous squamous cell carcinomas (SCC) has been recently suggested by demonstrating viral gene expression in vivo and transforming properties by its putative oncogenes E6 and E7 in vitro. The activated molecules MEK (pMEK), ERK (pERK) and Akt (pAkt) are signaling transduction effectors regulating cell proliferation and inhibition of apoptosis, which are critical steps towards tumour formation. Here, we show by Western blotting (WB) that expression of FcaPV2 E6 in feline epithelial cells enhances pMEK, pERK and pAkt levels compared to control cells...
November 15, 2016: Veterinary Microbiology
Gabor Nagy, Viktoria Baksa, Alexandra Kiss, Melinda Turani, Gaspar Banfalvi
The toxicity of gadolinium is reduced by chelating agents that render this heavy metal into contrast complexes used for medical magnetic resonance imaging. However, the dissociation of gadolinium chelates is known to generate Gd(3+) ions, the cellular toxicity of which has not been tested in details. The cytotoxic effects of Gd(III) ions were evaluated by monitoring the proliferation, measuring the cellular motility and following chromatin changes in various cell lines upon Gd(3+) treatment. Measurements applied long-term scanning microscopy and a perfusion platform that replaced the medium with test solutions, bypassed physical contact with the cell culture during experiments, and provided uninterrupted high time-resolution time-lapse photomicrography for an extended period of time...
October 22, 2016: Apoptosis: An International Journal on Programmed Cell Death
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
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
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
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
Yanbin Zhao, Wenbo Qiao, Xiaoyuan Wang, Hang Yin, Jianqi Cui, Yue Cui, Xuesong Chen, Jing Hu, Hailing Lu, Qingwei Meng, Yan Wang, Li Cai
14-3-3ζ is involved in tumor cell growth and apoptosis. However, the mechanism of 14-3-3ζ in lung squamous cell carcinoma (SCC) metastasis has not been illuminated. In our studies, we found that the expression of 14-3-3ζ was highly expressed in lung SCC compared to normal lung tissues. High expression of 14-3-3ζ was associated with pTNM stage (p<0.05) and lymph node metastasis (p<0.05). Furthermore, the expression of 14-3-3ζ protein was associated with high levels of TGFβR1 protein (p=0.005), and pSMAD3 (p=0...
October 15, 2016: Oncotarget
David A Siegel, Reda Wilson, Edward J Wilkinson, Julia W Gargano, Meg Watson, Brenda Y Hernandez, Marc T Goodman, Charles F Lynch, Elizabeth R Unger, Mona Saraiya
CONTEXT: -Knowing the subtype of vulvar cancer histology is important for estimating human papillomavirus-related cancer etiology. Surveillance of human papillomavirus-related vulvar cancers informs public health decisions related to vaccination against human papillomavirus. OBJECTIVE: -To assess the accuracy of registry classifications of vulvar cancer and determine the histologic classification of cases reported as not otherwise specified. DESIGN: -Pathology specimens were collected from Florida, Iowa, and Hawaii cancer registries...
October 20, 2016: Archives of Pathology & Laboratory Medicine
Seda Tural Önür, Mehmet Atilla Uysal, Sinem İliaz, Sibel Yurt, Ayşe Bahadır, Didem Görgün Hattatoğlu, Mediha Gönenç Ortaköylü, Belma Akbaba Bağcı, Efsun Gonca Uğur Chousein
BACKGROUND: Using innovative and scientific methods increases the rate of quitting in smokers. Short message service (SMS) is a communication tool widely used and well integrated in many people's daily lives. To increase adherence to appointments in smoking cessation clinics (SCC), it is thought that increased compliance could be achieved by falling outside the traditional methods. SMS has been shown to increase the compliance of patients with SCC appointments. AIMS: In this study, we aimed to evaluate the effect of SMS in the compliance of patients with SCC follow-up visits and smoking cessation success...
September 2016: Balkan Medical Journal
Mohammad Esmaeil Akbari, Saede Atarbashi Moghadam, Fazele Atarbashi Moghadam, Zahra Bastani
BACKGROUND: The incidence of oral cancers varies from one country to another, which can be clarified by the difference in the distribution of the risk factors and the possible etiologies. Tongue is a main segment of oral cavity and malignant lesions of this region accounts for nearly 30% of all oral cancers. OBJECTIVES: In the present study, we evaluated the pattern of tongue cancer in Iranian population and compared these findings with those previously reported in the other countries...
August 2016: Iranian Journal of Cancer Prevention
Puyuan Xing, Xuezhi Hao, Xingsheng Hu, Yan Wang, Junling Li
BACKGROUND: Squamous cell carcinoma (SCC) is a common pathological type of non-small cell lung cancer, and advanced lung SCC is incurable. Chemotherapy combined with anti-angiogenesis agents can prolong the patients' survival time. The aim of the study was to analyze the efficacy and safety of recombinant human endostatin (Endostar) in treating advanced lung SCC. METHODS: We retrospectively analyzed the short-term efficacy and toxicity of recombinant human endostatin combined with traditional chemotherapy regimens in treating 15 advanced lung squamous cell carcinoma patients in Department of Medical Oncology retrospectively, Cancer Hospital, Chinese Academy of Medical Sciences from November 2011 to May 2015...
October 20, 2016: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
Ping Liang, Junling Li
BACKGROUND: Due to it's concealment and no obvious symptoms, lung squamous carcimoma often has advanced disease when diagnosed. The aims of this study were to describe the characteristics of the disease, to evaluate the clinical importance of detection of multiple tumor markers in patients with squamous cell carcinoma of the lung. METHODS: The characteristics of all patients with advanced squamous cell lung cancer treated in Beijing Cancer Hospital of Chinese Academy of Medical Sciences during Jan...
October 20, 2016: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
Masaya Okura, Souichi Yanamoto, Masahiro Umeda, Mitsunobu Otsuru, Yoshihide Ota, Hiroshi Kurita, Takahiro Kamata, Tadaaki Kirita, Nobuhiro Yamakawa, Tetsuro Yamashita, Michihiro Ueda, Takahide Komori, Takumi Hasegawa, Tomonao Aikawa
A multi-institutional study was undertaken to determine whether mandibular canal (MC) invasion and mandibular medullary bone invasion are independent factors in lower gingival squamous cell carcinoma (SCC). A total of 345 patients with lower gingival SCC were retrospectively reviewed. Mandibular bone invasion was categorized into three types; no bone invasion; invasion through cortical bone (medullary); and MC invasion. The overall survival rate and factors affecting local, regional, and distant failures were assessed by Cox proportional hazards regression analysis and Kaplan-Meier estimates...
October 19, 2016: Cancer Medicine
Alexandra Elliot, Linda Marklund, Niclas Håkansson, Huan Song, Weimin Ye, Pär Stjärne, Lalle Hammarstedt-Nordenvall
The true incidence of inverted papilloma (IP) is not yet known. From hospital-based studies, its incidence has been estimated to approximately 0.5/100,000 person years. Earlier hospital case studies have shown that IP can undergo a malignant transformation in 1-53 %. The frequency of its malignant transformation on a population basis is unknown. To our knowledge, no standardised incidence ratio (SIR) has been reported for malignancies among IPs. This study aims to investigate these incidences on a population basis...
October 18, 2016: European Archives of Oto-rhino-laryngology
Kana Kataoka, Eiji Osaka, Tetsuo Shimizu, Yuki Okamura, Yukihiro Yoshida, Yasuaki Tokuhashi
Metastasis of lung cancer to soft tissue is rare and patient outcomes are generally poor. There are no reports describing soft tissue metastasis in lung squamous cell carcinoma (SCC), in which gefitinib treatment was effective not only for the primary tumor but also the metastatic lesion. A 61-year-old Asian woman presented to our facility with pain and a mass in the brachium. An additional tumor was identified in the lung. As we suspected soft tissue metastasis of lung cancer, an incisional biopsy was performed, yielding a diagnosis of SCC...
June 13, 2016: Thoracic Cancer
Qian Sun, Jing Bai, Renrong Lv
Since hedgehog (HH)/Gli1 that contributes to cancer proliferation and metastasis has been masked for decades, the signaling pathway was investigated about its exact role in proliferation and metastasis of cutaneous squamous cell carcinoma (SCC). Sonic hedgehog homolog (Shh), GLI family zinc finger 1 (Gli1), and vascular endothelial growth factor (VEGF) expressions in cutaneous SCC tissues were analyzed with immunohistochemistry, and their correlations with cutaneous SCC patients' prognosis were conducted with Kaplan-Meier curve...
October 17, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
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