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Invasive squamous carcinoma

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https://www.readbyqxmd.com/read/27922697/regulation-of-pd-l1-expression-in-a-high-grade-invasive-human-oral-squamous-cell-carcinoma-microenvironment
#1
Mariko Hirai, Hiroko Kitahara, Yutaka Kobayashi, Koroku Kato, George Bou-Gharios, Hiroyuki Nakamura, Shuichi Kawashiri
Blockade of the programmed-death 1 receptor (PD-1)/programmed-death ligand (PD-L1) pathway efficiently reduces tumour growth and improves survival. Durable tumour regression with blockade of the PD-1/PD-L1 checkpoint has been demonstrated in recent clinical studies. Oral squamous cell carcinoma (OSCC) is highly immunosuppressive, and PD-L1 expression has been proposed as a potential mechanism responsible for this phenotype. Despite the fact that anti-PD-1 treatment can produce durable responses, such therapy appears to benefit only a subset of patients...
December 2, 2016: International Journal of Oncology
https://www.readbyqxmd.com/read/27919968/overexpression-of-pbk-topk-contributes-to-tumor-development-and-poor-outcome-of-esophageal-squamous-cell-carcinoma
#2
Takuma Ohashi, Shuhei Komatsu, Daisuke Ichikawa, Mahito Miyamae, Wataru Okajima, Taisuke Imamura, Jun Kiuchi, Keiji Nishibeppu, Toshiyuki Kosuga, Hirotaka Konishi, Atsushi Shiozaki, Hitoshi Fujiwara, Kazuma Okamoto, Hitoshi Tsuda, Eigo Otsuji
BACKGROUND: PDZ-binding kinase/T-cell-originated protein kinase (PBK/TOPK) is a serine-threonine kinase and overexpressed in various types of cancer. PBK/TOPK is associated with tumor cell development and progression through suppression of p53 function. In this study, we tested whether PBK acts as a cancer-promoting factor by being overexpressed in esophageal squamous cell carcinoma (ESCC). MATERIALS AND METHODS: We analyzed PBK/TOPK expression in 15 ESCC cell lines, and 54 primary ESCC tumors that were curatively resected between 1994 and 2007...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919954/tachykinin-receptor-3-distribution-in-human-oral-squamous-cell-carcinoma
#3
Kyoichi Obata, Tsuyoshi Shimo, Tatsuo Okui, Kenichi Matsumoto, Hiroyuki Takada, Kiyofumi Takabatake, Yuki Kunisada, Soichiro Ibaragi, Hitoshi Nagatsuka, Akira Sasaki
BACKGROUND: Tachykinin 3 (TAC3) and its preferred tachykinin receptor 3 (TACR3) that are prominently detected in the central nervous system, play significant roles in physiological development and specifically in the human reproductive system. The roles of TAC3/TACR3 in oral squamous cell carcinoma are unknown. MATERIALS AND METHODS: We examined the expression pattern of TAC3/TACR3 in clinically-resected oral squamous cell carcinoma samples using immunohistochemistry and immunofluorescence analysis...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919944/multicellular-spheroids-as-a-model-for-hypoxia-induced-emt
#4
Casey Lee, Amanda Siu, Daniel M Ramos
Oral cancer is aggressive and invasive. The 5-year survival rate is around 50% and has not improved in over 50 years. One-third of oral cancer patients develop local and/or regional tumor recurrence following treatment. We continue to use our multicellular spheroid (MCS) model to better understand how the extracellular matrix contributes to epithelial to mesenchymal transition and how hypoxia contributes to the progression of oral squamous cell carcinoma (SCC).
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919746/fhod1-formin-is-upregulated-in-melanomas-and-modifies-proliferation-and-tumor-growth
#5
Minna Peippo, Maria Gardberg, Tarja Lamminen, Katja Kaipio, Olli Carpén, Vanina D Heuser
The functional properties of actin-regulating formin proteins are diverse and in many cases cell-type specific. FHOD1, a formin expressed predominantly in cells of mesenchymal lineage, bundles actin filaments and participates in maintenance of cell shape, migration and cellular protrusions. FHOD1 participates in cancer-associated epithelial to mesenchymal transition (EMT) in oral squamous cell carcinoma and breast cancer. The role of FHOD1 in melanomas has not been characterized. Here, we show that FHOD1 expression is typically strong in cutaneous melanomas and cultured melanoma cells while the expression is low or absent in benign nevi...
December 2, 2016: Experimental Cell Research
https://www.readbyqxmd.com/read/27919662/squamous-cell-carcinoma-of-the-anterior-tongue-is-tumour-thickness-an-indicator-for-cervical-metastasis
#6
P Loganathan, A Sayan, D W K Hsu, S Paraneetharan, V Ilankovan
The incidence of squamous cell carcinoma (SCC) of the tongue accounts for 90% of all malignancies affecting the oral cavity and oropharynx. The distribution between the anterior and posterior tongue is equal. Nodal metastasis is dependent on various factors including tumour thickness, site, size, differentiation, and perineural and perivascular invasion. There is increasing evidence of a close correlation between tumour thickness and metastasis. A retrospective study covering the 16-year period from 2000 to 2016 was performed...
December 2, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27918216/s100p-is-overexpressed-in-squamous-cell-and-adenosquamous-carcinoma-subtypes-of-endometrial-cancer-and-promotes-cancer-cell-proliferation-and-invasion
#7
Hongfei Jiang, Hang Hu, Fan Lin, Yoon Pin Lim, Yunfen Hua, Xiaomei Tong, Songying Zhang
S100P is known to affect tumor development and metastasis of various cancers, but its role in endometrial cancer is unclear. We reported that S100P expression was dramatically elevated in both endometrial squamous cell carcinoma and adenosquamous carcinoma, but not in adenocarcinoma and normal endometrial samples. Moreover, we revealed an oncogenic role of S100P promoting cell proliferation, invasion, and migration while reducing apoptosis, possibly via its upregulation and/or activation of receptors of advanced glycation end products and consequently the oncogenic PI3K-AKT and MAPK pathways...
November 25, 2016: Cancer Investigation
https://www.readbyqxmd.com/read/27917618/prognostic-impact-of-mutt-homolog-1-expression-on-esophageal-squamous-cell-carcinoma
#8
Shingo Akiyama, Hiroshi Saeki, Yuichiro Nakashima, Makoto Iimori, Hiroyuki Kitao, Eiji Oki, Yoshinao Oda, Yusaku Nakabeppu, Yoshihiro Kakeji, Yoshihiko Maehara
MutT homolog-1 (MTH1) is a pyrophosphatase that acts on oxidized nucleotides and hydrolyzes 8-oxo-2'-deoxyguanosine triphosphate in deoxynucleoside triphosphate pool to prevent its incorporation into nuclear and mitochondrial DNA, result in reduce cytotoxicity in tumor cells. MTH1 is overexpressed in various cancers and is considered as a therapeutic target. Environmental factors such as cigarette smoking and alcohol consumption are critical risk factors for the development and progression of esophageal squamous cell carcinoma (ESCC), suggesting that oxidative stress contributes to the pathogenesis of ESCC...
December 5, 2016: Cancer Medicine
https://www.readbyqxmd.com/read/27912930/prognostic-significance-of-venous-invasion-and-maximum-standardized-uptake-value-of-18-f-fdg-pet-ct-in-surgically-resected-t1n0-esophageal-squamous-cell-carcinoma
#9
J H Jeon, J M Lee, D H Moon, H C Yang, M S Kim, G-K Lee, J I Zo
BACKGROUND: The purpose of this study was to analyze the risk factors of recurrence in patients with early stage esophageal squamous cell carcinoma (ESCC). METHODS: We retrospectively analyzed the medical records of 190 patients with confirmed T1N0M0 ESCC after curative esophagectomy. The following potential prognostic factors for recurrence were investigated: age, sex, pathologic T category, tumor location, differentiation grade, tumor size, venous invasion, angiolymphatic invasion, perineural invasion and the maximum standardized uptake value (SUVmax) of the primary tumor...
November 22, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27911865/mitochondrial-pyruvate-carrier-function-is-negatively-linked-to-warburg-phenotype-in-vitro-and-malignant-features-in-esophageal-squamous-cell-carcinomas
#10
Yaqing Li, Xiaoran Li, Quancheng Kan, Mingzhi Zhang, Xiaoli Li, Ruiping Xu, Junsheng Wang, Dandan Yu, Mariusz Adam Goscinski, Jian-Guo Wen, Jahn M Nesland, Zhenhe Suo
Aerobic glycolysis is one of the emerging hallmarks of cancer cells. In this study, we investigated the relationship between blocking mitochondrial pyruvate carrier (MPC) with MPC blocker UK5099 and the metabolic alteration as well as aggressive features of esophageal squamous carcinoma. It was found that blocking pyruvate transportation into mitochondria attenuated mitochondrial oxidative phosphorylation (OXPHOS) and triggered aerobic glycolysis, a feature of Warburg effect. In addition, the HIF-1α expression and ROS production were also activated upon UK5099 application...
November 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/27909644/primary-squamous-cell-carcinoma-of-the-pancreas-as-a-cause-of-biliary-obstruction
#11
Kyle Rowe, Jeet Mehta, Fredy Nehme, William Salyers
Primary squamous cell carcinoma of the pancreas (SCCP) is a rare neoplasm, given a lack of naturally occurring squamous cells within the pancreas, accounting for only 0.2% of all pancreatic cancers. The etiology is unknown. Symptomatology is non-specific and similar to other pancreatic neoplasms. No non-invasive testing can adequately rule in SCCP, and workup should proceed similarly to any pancreatic mass. Tissue sampling is required for diagnosis and guidance of further management, most commonly by endoscopic ultrasound with fine needle aspirate...
October 31, 2016: Curēus
https://www.readbyqxmd.com/read/27909467/invasive-squamous-cell-carcinoma-of-the-scalp-and-calvarium-a-multidisciplinary-approach
#12
Jennifer Stark, Silvio Podda, Karen Szymanski
Objective: The correlation between immunosuppression-associated skin cancer and lymphoma has been well established. This includes squamous cell carcinoma and chronic lymphocytic leukemia. When a lesion requires excision, reconstruction can be challenging based on the depth and size of the tumor. We present a patient with chronic lymphocytic leukemia and invasive squamous cell carcinoma of the scalp that extended through the calvarium to the dura mater. His tumors were badly neglected for a long period of time and presented at an advanced stage...
2016: Eplasty
https://www.readbyqxmd.com/read/27908568/squamous-cell-carcinoma-presenting-with-trigeminal-anesthesia-an-uncommon-presentation-of-head-neck-cancer-with-unknown-primary
#13
Ameer T Shah, Walid I Dagher, Miriam A O'Leary, Richard O Wein
BACKGROUND: The differential diagnosis of facial anesthesia is vast. This may be secondary to trauma, neoplasm, both intracranial and extracranial, infection, and neurologic disease. When evaluating a patient with isolated facial anesthesia, the head and neck surgeon often thinks of adenoid cystic carcinoma, which has a propensity for perineural invasion and spread. When one thinks of head and neck squamous cell carcinoma with or without unknown primary, the typical presentation involves dysphagia, odynophagia, weight loss, hoarseness, or more commonly, a neck mass...
November 23, 2016: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/27907906/senescent-fibroblast-derived-chemerin-promotes-squamous-cell-carcinoma-migration
#14
Vida Farsam, Abhijit Basu, Martina Gatzka, Nicolai Treiber, Lars A Schneider, Medhanie A Mulaw, Tanja Lucas, Stefan Kochanek, Reinhard Dummer, Mitchell P Levesque, Meinhard Wlaschek, Karin Scharffetter-Kochanek
Aging is associated with a rising incidence of cutaneous squamous cell carcinoma (cSCC), an aggressive skin cancer with the potential for local invasion and metastasis. Acquisition of a senescence-associated secretory phenotype (SASP) in dermal fibroblasts has been postulated to promote skin cancer progression in elderly individuals. The underlying molecular mechanisms are largely unexplored. We show that Chemerin, a previously unreported SASP factor released from senescent human dermal fibroblasts, promotes cSCC cell migration, a key feature driving tumor progression...
November 18, 2016: Oncotarget
https://www.readbyqxmd.com/read/27906054/is-radical-surgery-of-an-inverted-papilloma-of-the-maxillary-sinus-obsolete-a-case-report
#15
Vedat Yildirim, Niels Christian Pausch, Dirk Halama, Heinz-Theo Lübbers, Ayhan Yildirim
BACKGROUND: Sinonasal inverted papilloma is a locally aggressive tumor arising from the Schneiderian membrane which lines the nasal cavity and paranasal sinuses. Aggressive surgical approaches, such as lateral rhinotomy, were used until recently for complete removal of the inverted papilloma. Currently, endoscopic resection is the gold standard in the treatment of inverted papilloma. However, there are situations that justify an open approach. For example there are studies that report a higher postoperative recurrence rate after endonasal endoscopic resection, particularly in the treatment of recurrent diseases...
December 1, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27905695/erythroplasia-of-queyrat-treated-with-methyl-aminolevulinate-photodynamic-therapy-mal-pdt-case-report-and-review-of-the-literature
#16
Nevena Skroza, Giorgio LA Viola, Riccardo Pampena, Ilaria Proietti, Nicoletta Bernardini, Ersilia Tolino, Alessandro Annetta, Sara Zuber, Veronica Balduzzi, Concetta Potenza
Erythroplasia of Queyrat (EQ) is a rare disease involving the mucosal and transitional surfaces of the penis. Effective treatment is necessary to minimize progression to squamous cell carcinoma. The standard therapy for EQ, partial or radical penectomy, is invasive; photodynamic therapy (PDT) may be an effective, non-surgical tissue-sparing option. We report the case of a 67-year-old patient with long-standing EQ who was successfully treated with methyl aminolevulinate-PDT (MAL-PDT). A complete clinical response, confirmed by incisional biopsy, was achieved after five sessions of every-other-week treatment...
December 1, 2016: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/27904690/mirna-101-acts-as-a-tumor-suppressor-in-oral-squamous-cell-carcinoma-by-targeting-cx-chemokine-receptor-7
#17
Yuan Hui, Yu Li, Yan Jing, Jian-Q Feng, Yin Ding
miR-101 is significantly downregulated in various human cancers, including oral squamous cell carcinoma (OSCC). However, the role of miR-101 in OSCC has not been elucidated. In this study, miR-101 lowly expressed in OSCC tissues and cell lines compared with that in adjacent normal tissues and human normal oral keratinocyte cells. Bioinformatics analysis predicted that miR-101 could potentially target CX chemokine receptor 7 (CXCR7), a promoter of tumor development, to attenuate OSCC progression. Restoring miR-101 expression in OSCC cells suppressed cell proliferation, invasion, and migration...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27904683/rapamycin-targets-interleukin-6-il-6-expression-and-suppresses-endothelial-cell-invasion-stimulated-by-tumor-cells
#18
Oleksandr Ekshyyan, Alok R Khandelwal, Xiaohua Rong, Tara Moore-Medlin, Xiaohui Ma, Jonathan Steven Alexander, Cherie-Ann O Nathan
mTOR inhibitors have potent antiangiogenic and anti-lymphangiogenic effects in addition to their growth inhibitory effects in head and neck squamous cell carcinoma (HNSCC). Lymphatogenous spread is much more predominant in HNSCC than hematogenous spread and significantly decreases survival. In this study we evaluated the effects of rapamycin on targeting tumor-stroma crosstalk in HNSCC. HNSCC tumor cells (FaDu) and human lymphatic endothelial cells (HMEC-1A) were co-cultured in various combinations using transwell cell culture inserts to study tumor-stroma crosstalk and the effects of mTOR inhibitor rapamycin...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27904449/tracheal-cancer-treatment-results-prognostic-factors-and-incidence-of-other-neoplasms
#19
Aleksandra Napieralska, Leszek Miszczyk, Sławomir Blamek
BACKGROUND: Tracheal cancers (TC) are rare and treatment results that are reported are typically not satisfactory. The purpose of this research was assessment of the results of treatment of TC patients, identification of potential additional surgery candidates, evaluation of prognostic factors, and assessment of the occurrence of other malignancies. PATIENTS AND METHODS: The Regional Cancer Database and the Hospital Database were searched for patients with tracheal neoplasms...
December 1, 2016: Radiology and Oncology
https://www.readbyqxmd.com/read/27902974/na-h-exchanger-1-has-tumor-suppressive-activity-and-prognostic-value-in-esophageal-squamous-cell-carcinoma
#20
Yosuke Ariyoshi, Atsushi Shiozaki, Daisuke Ichikawa, Hiroki Shimizu, Toshiyuki Kosuga, Hirotaka Konishi, Shuhei Komatsu, Hitoshi Fujiwara, Kazuma Okamoto, Mitsuo Kishimoto, Yoshinori Marunaka, Eigo Otsuji
Na+/H+ exchanger 1 (NHE1) is a plasma membrane transporter that controls intracellular pH and regulates apoptosis and invasion in various cancer cells. However, the function of NHE1 in esophageal squamous cell carcinoma (ESCC) cells and the relationship between the expression of NHE1 and prognosis of ESCC remain unclear. We found that the knockdown of NHE1 in ESCC cells inhibited apoptosis and promoted cell proliferation, migration, and invasion and showed increases in Snail, β-catenin, and activation of PI3K-AKT signaling, which was consistent with the results obtained from microarrays...
November 26, 2016: Oncotarget
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