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Invasive squamous carcinoma

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https://www.readbyqxmd.com/read/29166639/apobec3a-expression-in-penile-squamous-cell-carcinoma
#1
Martina Heller, Elena-Sophie Prigge, Adam Kaczorowski, Magnus von Knebel Doeberitz, Markus Hohenfellner, Stefan Duensing
BACKGROUND: APOBECs (apolipoprotein B mRNA-editing catalytic polypeptides) are cytidine deaminases that have been implicated in the host defense against viruses by blocking viral replication. They have also been shown to play a role in genome hypermutation in several human cancers. An APOBEC3 hypermutation signature has been discovered in cervical cancer, which is intimately associated with infection by high-risk human papillomaviruses (HPVs). At the same time, HPV genomes themselves are subject to DNA editing by APOBECs...
November 23, 2017: Pathobiology: Journal of Immunopathology, Molecular and Cellular Biology
https://www.readbyqxmd.com/read/29164763/tmem207-hinders-the-tumour-suppressor-function-of-wwox-in-oral-squamous-cell-carcinoma
#2
Katsuaki Bunai, Hiroshi Okubo, Kimika Hano, Keisuke Inoue, Yusuke Kito, Chiemi Saigo, Toshiyuki Shibata, Tamotsu Takeuchi
The WW domain-containing oxidoreductase (WWOX) functions as a tumour suppressor in oral carcinogenesis. As aberrant TMEM207 expression may lead to tumour progression by hampering the tumour suppressor function of WWOX in various cancers, we explored the expression and pathobiological properties of TMEM207, focusing on the WWOX-mediated regulation of the HIF-1α pathway in oral squamous cell carcinoma (OSCC). TMEM207 immunoreactivity was detected in 40 of 90 OSCC samples but not in neighbouring non-tumorous epithelial tissues...
November 22, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29164666/expression-of-dcun1d1-in-laryngeal-squamous-cell-carcinoma-and-its-inhibiting-effect-on-tu-177-cells-after-interfered-by-rna
#3
Jing Liu, Yu Shuang, Chao Li, Xuan Zhou, Yongwang Huang, Lun Zhang
Expression of DCUN1D1 in laryngeal squamous cell carcinoma(LSCC) and its inhibition by small interfering RNA(siRNA) target in the TU-177 cells was investigated. Immunohistochemistry was used to detect the expression level of DCUN1D1 in LSCC tissue in 140 cases and analyze its relationship with clinical pathological characteristics. siRNA expression plasmid targeting DCUN1D1 was constructed and transferred into TU-177 cells. The effect of siRNA target DCUN1D1 gene silencing on proliferation, invasion and migration of TU-177 cells were observed by MTS assay and Transwell experiment...
November 22, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29163702/beclin-1-expression-is-associated-with-the-occurrence-and-development-of-esophageal-squamous-cell-carcinoma
#4
Hailei Du, Jiamin Che, Minmin Shi, Lianggang Zhu, Jun Biao Hang, Zhongyuan Chen, Hecheng Li
Beclin 1 has a central role in the regulation of autophagy, differentiation, apoptosis resistance, tumorigenesis and cancer progression. The role of Beclin 1 in the development of esophageal squamous cell carcinoma (ESCC) and its subsequent progression is not fully characterized. In the present study, the role of Beclin 1 and autophagy in ESCC was evaluated. The expression of Beclin 1 mRNA and protein levels in human ESCC tumor and adjacent normal esophageal tissue was measured. Beclin 1 mRNA and protein were significantly lower in tumor tissue than in normal esophageal tissue (P<0...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29162314/clinical-characteristics-and-outcomes-of-nonurothelial-cell-carcinoma-of-the-bladder-results-from-the-national-cancer-data-base
#5
Trevor J Royce, Chun C Lin, Phillip J Gray, William U Shipley, Ahmedin Jemal, Jason A Efstathiou
OBJECTIVES: To determine the clinical characteristics, treatment patterns, and outcomes of patients with nonurothelial cell bladder cancer (NUBC) in the United States. METHODS: A total of 163,683 patients with bladder cancer from 1998 to 2014 in the National Cancer Data Base were identified. Of all, 153,262 had urothelial cell (UC) carcinoma (93.6%) and 10,421 had NUBC (6.4%) further classified as: squamous cell carcinoma (SC, 2.4%), adenocarcinoma (AC, 1.7%), neuroendocrine (NE, 1...
November 18, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/29160958/prognostic-value-of-an-immunohistochemical-signature-in-patients-with-esophageal-squamous-cell-carcinoma-undergoing-radical-esophagectomy
#6
Jin Meng, Junhua Zhang, Yingjie Xiu, Yan Jin, Jiaqing Xiang, Yongzhan Nie, Shen Fu, Kuaile Zhao
Here, we aimed to identify an immunohistochemical (IHC)-based classifier as a prognostic factor in patients with esophageal squamous cell carcinoma (ESCC). A cohort of 235 patients with ESCC undergoing radical esophagectomy (with complete clinical and pathological information) were enrolled in the study. Using the least absolute shrinkage and selection operator (LASSO) regression model, we extracted six IHC features associated with progression-free survival (PFS) and then built a classifier in the discovery cohort (n=141)...
November 21, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/29159852/orbital-invasive-squamous-cell-carcinoma-with-adnexal-involvement-clinically-mimicking-feline-restrictive-orbital-myofibroblastic-sarcoma-19-cases-1990-2016
#7
Kathryn A Diehl, Silvia G Pryor, Leandro Bc Teixeira
OBJECTIVE: To describe the clinical presentations of patients diagnosed with ocular adnexal or orbital squamous cell carcinoma (SCC), which possess features similar to feline restrictive orbital myofibroblastic sarcoma (FROMS). PROCEDURES: A retrospective review of adnexal and/or orbital SCC was performed. Cases were collected from the University of Georgia College of Veterinary Medicine and the Comparative Ocular Pathology Laboratory of Wisconsin (COPLOW) (1990-2016)...
November 21, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/29158066/the-potential-role-of-leptin-in-tumor-invasion-and-metastasis
#8
REVIEW
Amitabha Ray, Margot P Cleary
The adipocyte-released hormone-like cytokine/adipokine leptin behaves differently in obesity compared to its functions in the normal healthy state. In obese individuals, elevated leptin levels act as a pro-inflammatory adipokine and are associated with certain types of cancers. Further, a growing body of evidence suggests that higher circulating leptin concentrations and/or elevated expression of leptin receptors (Ob-R) in tumors may be poor prognostic factors. Although the underlying pathological mechanisms of leptin's association with poor prognosis are not clear, leptin can impact the tumor microenvironment in several ways...
November 11, 2017: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/29157266/doxorubicin-combined-with-low-intensity-ultrasound-suppresses-the-growth-of-oral-squamous-cell-carcinoma-in-culture-and-in-xenografts
#9
Haixia Fan, Haixia Li, Guanyao Liu, Wei Cong, Hong Zhao, Wenwu Cao, Jinhua Zheng
BACKGROUND: Oral squamous cell carcinoma (OSCC) invades surrounding tissues by upregulating matrix metalloproteinases (MMPs) -2 and -9, which causes over-expression of the Hedgehog signaling proteins Shh and Gli-1 and degradation of the extracellular matrix, thereby creating a "highway" for tumor invasion. We explored the potential of low intensity ultrasound (LIUS) and doxorubicin (DOX) to inhibit the formation of this "highway". METHODS: MTT assays were used to examine OSCC cell viability after exposure to LIUS and DOX...
November 21, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29157176/separation-of-cell-survival-growth-migration-and-mesenchymal-transdifferentiation-effects-of-fibroblast-secretome-on-tumor-cells-of-head-and-neck-squamous-cell-carcinoma
#10
Veronika Maria Metzler, Christian Pritz, Anna Riml, Angela Romani, Raphaela Tuertscher, Teresa Steinbichler, Daniel Dejaco, Herbert Riechelmann, József Dudás
Fibroblasts play a central role in tumor invasion, recurrence, and metastasis in head and neck squamous cell carcinoma. The aim of this study was to investigate the influence of tumor cell self-produced factors and paracrine fibroblast-secreted factors in comparison to indirect co-culture on cancer cell survival, growth, migration, and epithelial-mesenchymal transition using the cell lines SCC-25 and human gingival fibroblasts. Thereby, we particularly focused on the participation of the fibroblast-secreted transforming growth factor beta-1...
November 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/29156735/telomerase-reverse-transcriptase-mediates-emt-through-nf-%C3%AE%C2%BAb-signaling-in-tongue-squamous-cell-carcinoma
#11
Yan Wu, Chunxiang Bian, Chunlin Zhen, Liu Liu, Zhenghong Lin, Muhammad Farrukh Nisar, Mei Wang, Jörg W Bartsch, Enyi Huang, Ping Ji, Li Yang, Yanhong Yu, Junfeng Yang, Xuemei Jiang, Julia Li Zhong
Locoregional lymph nodes metastasis in oral tongue squamous cell carcinoma represents one of important and common prognostic factors for poor clinical outcome. The human Telomerase Reverse Transcriptase (hTERT) is one of key players in cancer metastasis and stemness, but its exact function in tongue squamous cell carcinoma remains unknown. Here, we aim to understand the role of hTERT by utilizing the CRISPR/Cas9 gene editing system to deplete hTERT in the SCC-15 cell line. Functional comparison of SCC-15 control and knockout cells (hTERT(-/-)) showed that loss of hTERT suppressed cell proliferation and migration/invasion...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29155185/video-endoscopic-inguinal-lymphadenectomy-versus-open-inguinal-lymphadenectomy-for-carcinoma-penis-expanding-role-and-comparison-of-outcomes
#12
S S Yadav, V Tomar, R Bhattar, A K Jha, S Priyadarshi
OBJECTIVE: To compare differences of morbidity profile, oncological yield & efficacy between video endoscopic inguinal lymphadenectomy and open inguinal lymphadenectomy cases. MATERIALS AND METHODS: A total of 29 patients with proven squamous cell carcinoma of penis were selected for inguinal lymphadenectomy from August 2013 to Jan 2017. Video endoscopic lymphadenectomy was performed on one limb and open inguinal lymphadenectomy was performed on the contralateral side...
November 16, 2017: Urology
https://www.readbyqxmd.com/read/29154041/patient-characteristics-treatment-patterns-and-prognostic-factors-in-squamous-cell-bladder-cancer
#13
Haris Zahoor, Paul Elson, Andrew Stephenson, Georges-Pascal Haber, Jihad Kaouk, Amr Fergany, Byron Lee, Vadim Koshkin, Moshe Ornstein, Timothy Gilligan, Jorge A Garcia, Brian Rini, Petros Grivas
BACKGROUND: Squamous cell carcinoma (SCC) is an uncommon histologic subtype of bladder cancer with limited data on treatment patterns, outcomes, and prognostic factors. "Real world" information might inform decision-making, prognostic estimates, and clinical trial designs. PATIENTS AND METHODS: A retrospective review of patients with tissue-confirmed bladder SCC treated at Cleveland Clinic from 2007 to 2016 was performed. Data on patient characteristics, treatment patterns, and clinical follow-up were extracted...
October 17, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/29152991/four-synchronous-primary-cancers-of-the-aerodigestive-tract-and-thyroid
#14
Yanqing Wang, Abdillah Nassor Juma, Yun Chen, Xiong Peng, Yuan Zhou, Zhuang Wei
We report the case of a 60-year-old man with 4 concurrent primary cancers: thyroid papillary carcinoma, esophageal squamous cell carcinoma, lung adenocarcinoma, gastric stromal tumor, and nodular goiter. A minimally invasive McKeown esophagectomy with 3-field lymph node resection played a major role in the diagnosis and resection of all primary tumors in the same sitting. Multiorgan primary cancers are not uncommon but pose challenges in diagnosis and treatment. The mechanism of development is unknown but exposure to the same carcinogens in multiple organs has been implicated...
January 1, 2017: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/29151975/clinical-significance-of-cd163-and-cd68-tumor-associated-macrophages-in-high-risk-hpv-related-cervical-cancer
#15
Xiao-Jing Chen, Ling-Fei Han, Xiang-Guang Wu, Wen-Fei Wei, Lan-Fang Wu, Hong-Yan Yi, Rui-Ming Yan, Xiang-Yang Bai, Mei Zhong, Yan-Hong Yu, Li Liang, Wei Wang
Objective. To explore the influence of M2-polarized tumor-associated macrophages (TAMs) on high-risk human papillomavirus (hr-HPV)-related cervical carcinogenesis and metastasis. Methods. CD68+ and CD163+ macrophages were examined immunohistochemically in a series of 130 samples, including 26 cases of normal cervical tissues, 59 cases of cervical intraepithelial neoplasia (CIN), and 45 cases of squamous cell carcinoma (SCC), and the results were statistically analyzed. The macrophage count was corrected for the epithelial and stromal compartments respectively...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29151903/fusobacterium-nucleatum-in-gastroenterological-cancer-evaluation-of-measurement-methods-using-quantitative-polymerase-chain-reaction-and-a-literature-review
#16
Kensuke Yamamura, Yoshifumi Baba, Keisuke Miyake, Kenichi Nakamura, Hironobu Shigaki, Kosuke Mima, Junji Kurashige, Takatsugu Ishimoto, Masaaki Iwatsuki, Yasuo Sakamoto, Yoichi Yamashita, Naoya Yoshida, Masayuki Watanabe, Hideo Baba
The human microbiome Fusobacterium nucleatum, which primarily inhabits the oral cavity, causes periodontal disease and has also been implicated in the development of colorectal cancer. However, whether F. nucleatum is present in other gastroenterological cancer tissues remains to be elucidated. The present study evaluated whether quantitative polymerase chain reaction (qPCR) assays were able to detect F. nucleatum DNA and measure the quantity of F. nucleatum DNA in esophageal, gastric, pancreatic and liver cancer tissues...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29149180/roles-of-vegf-flt-1-signaling-in-malignant-behaviors-of-oral-squamous-cell-carcinoma
#17
Ajiravudh Subarnbhesaj, Mutsumi Miyauchi, Chea Chanbora, Aki Mikuriya, Phuong Thao Nguyen, Hisako Furusho, Nurina Febriyanti Ayuningtyas, Minoru Fujita, Shigeaki Toratani, Masaaki Takechi, Shumpei Niida, Takashi Takata
BACKGROUND: Vascular endothelial growth factor (VEGF) is a highly specific signaling protein for vascular endothelial cells that plays a critical role in tumor growth and invasion through angiogenesis, and may contribute to cell migration and activation of pre-osteoclasts, osteoclasts and some tumor cells. OBJECTIVES: We aimed to clarify the detailed roles of VEGF-Flt-1 signaling in bone invasion of oral squamous cell carcinoma (OSCC) cells. RESULTS: Forty-two (42) of 54 cases with gingival SCC (77...
2017: PloS One
https://www.readbyqxmd.com/read/29149107/treponema-denticola-chymotrypsin-like-proteinase-may-contribute-to-orodigestive-carcinogenesis-through-immunomodulation
#18
Mikko T Nieminen, Dyah Listyarifah, Jaana Hagström, Caj Haglund, Daniel Grenier, Dan Nordström, Veli-Jukka Uitto, Marcela Hernandez, Tülay Yucel-Lindberg, Taina Tervahartiala, Mari Ainola, Timo Sorsa
BACKGROUND: Periodontal pathogens have been linked to oral and gastrointestinal (orodigestive) carcinogenesis. However, the exact mechanisms remain unknown. Treponema denticola (Td) is associated with severe periodontitis, a chronic inflammatory disease leading to tooth loss. The anaerobic spirochete Td is an invasive bacteria due to its major virulence factor chymotrypsin-like proteinase. Here we aimed to investigate the presence of Td chymotrypsin-like proteinase (Td-CTLP) in major orodigestive tumours and to elucidate potential mechanisms for Td to contribute to carcinogenesis...
November 16, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/29148840/resveratrol-induces-mitochondrial-apoptosis-and-inhibits-epithelial-mesenchymal-transition-in-oral-squamous-cell-carcinoma-cells
#19
Seong-Eon Kim, Sang-Hun Shin, Jae-Yeol Lee, Chul-Hoon Kim, In-Kyo Chung, Hae-Mi Kang, Hae-Ryoun Park, Bong-Soo Park, In-Ryoung Kim
OSCC is the most common malignant cancer of the head and neck. EMT is an essential cellular process critical to the morphogenesis and homeostasis of solid tissues. It is also involved in the initial stage of cancer metastasis and invasion in which cells lose epithelial characteristics. While cancer therapy protocols such as surgery, radiation, and chemotherapy are effective and useful, the drug tolerance and toxicity of OSCC patients remain a problem. Resveratrol is mainly produced in red grape skin and exhibits anti-oxidative, anti-inflammatory, anti-proliferative, and anti-cancer properties...
November 17, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/29148603/mcp2-activates-nf-%C3%AE%C2%BAb-signaling-pathway-promoting-the-migration-and-invasion-of-escc-cells
#20
Jian Zhou, Shutao Zheng, Tao Liu, Qing Liu, Yumei Chen, Doudou Tan, Rong Ma, Xiaomei Lu
MCP2, aliased CCL8, has been suggested to be implicated in the metastasis of cancer cells; however no direct evidence has been established in esophageal squamous cell carcinoma (ESCC). In our present study, to investigate the role MCP2 played in the metastasis of ESCC cells; in vitro cell co-culture system was established. Wound-healing and Transwell assays were used to evaluate the migratory and invasive variation of ESCC cells before and after treatment with recombinant human MCP2. It was shown that MCP2 was able to activate the NF-κB signaling pathway inducing the epithelial-mesenchymal transition (EMT) and promoting the migration and invasion of ESCC cells in vitro...
November 17, 2017: Cell Biology International
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