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https://www.readbyqxmd.com/read/28222447/impact-of-pd-l1-expression-in-patients-with-surgically-resected-non-small-cell-lung-cancer
#1
Satoshi Igawa, Yuichi Sato, Shinichiro Ryuge, Masaaki Ichinoe, Ken Katono, Yasuhiro Hiyoshi, Sakiko Otani, Ryo Nagashio, Hiroyasu Nakashima, Masato Katagiri, Jiichiro Sasaki, Yoshiki Murakumo, Yukitoshi Satoh, Noriyuki Masuda
BACKGROUND: Immunotherapy can become a crucial therapeutic option to improve the prognosis of patients with non-small-cell lung cancer (NSCLC). Here, we evaluated the impact of programmed cell death ligand-1 (PD-L1) expression in surgically resected NSCLCs. METHODS: We estimated PD-L1 expression in 229 consecutive NSCLC specimens using rabbit polyclonal antibodies to human PD-L1 in a SP263 immunohistochemical assay and evaluated PD-L1 expression for potential associations with clinicopathological parameters and survival time...
February 22, 2017: Oncology
https://www.readbyqxmd.com/read/28221700/multikinase-inhibitors-sorafenib-and-sunitinib-as-radiosensitizers-in-head-and-neck-cancer-cell-lines
#2
Annette Affolter, Gerson Samosny, Anne-Sophie Heimes, Johanna Schneider, Wilko Weichert, Albrecht Stenzinger, Katharina Sommer, Alexandra Jensen, Arnulf Mayer, Walburgis Brenner, Wolf J Mann, Jürgen Brieger
BACKGROUND: Radioresistance is a common feature of head and neck squamous cell carcinoma (HNSCC). We previously showed that the irradiation- activated vascular endothelial growth factor (VEGF)-extracellular signal-regulated kinase (ERK)-axis is fundamental for the survival of resistant tumors. In this study, we examined if treatment with potent multikinase (MK) inhibitors, sorafenib and sunitinib, could radiosensitize tumor cells. METHODS: Cultured HNSCC cell lines were treated with inhibitors and subsequently irradiated...
February 21, 2017: Head & Neck
https://www.readbyqxmd.com/read/28220856/prognostic-value-of-cancer-stem-cell-markers-in-head-and-neck-squamous-cell-carcinoma-a-meta-analysis
#3
Zhaona Fan, Mianxiang Li, Xiaobing Chen, Juan Wang, Xueyi Liang, Hongfei Wang, Zhi Wang, Bin Cheng, Juan Xia
Bmi-1, CD133, Nanog and Oct-4 have been reported as cancer stem cell (CSC) markers in head and neck squamous cell carcinoma (HNSCC). However, the prognostic value of them in HNSCC remains controversial. Hence, this meta-analysis was conducted to access the association between the four CSC markers and survival outcome of HNSCC patients. A total of 22 articles with 27 studies met the inclusion criteria and the combined hazard ratio (HR) and 95% confidence intervals (95% CI) were calculated. Data analysis showed that high expression of CSC markers was associated with poor overall survival (OS) (HR = 1...
February 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28220738/the-influence-of-hiv-infection-on-the-age-dependence-of-squamous-cell-carcinoma-of-the-skin-in-south-africa
#4
B L Diffey, M Norval, P N Albers, C Y Wright
BACKGROUND: Cancer incidence typically increases with age, but it is not known whether ethnic characteristics influence the age dependence of squamous cell carcinoma of the skin (SCC). OBJECTIVES: (i) To determine the age dependence of SCC in the black African, coloured and white population groups of South Africa (SA); and (ii) to show whether any differences in the rate of change of age dependence could be influenced by diversity in behaviour and lifestyle, especially with regard to the prevalence of HIV infection, rather than by a fundamental variation in cancer biology between the populations...
January 30, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28220308/aberrant-expression-of-cdk8-regulates-the-malignant-phenotype-and-associated-with-poor-prognosis-in-human-laryngeal-squamous-cell-carcinoma
#5
MingHua Li, XiaoDan Zhao, Ying Liu, Jun An, Hui Xiao, Chao Wang
CDK8, a member of the transcriptional subtype of the cyclin-dependent kinases (CDKs) family, shows remarkable cancer tissue specific expression profile and rather more selective contribution to the regulation of gene expression levels involved in some signaling pathways. However, the effect of CDK8 on the malignant phenotype of human laryngeal squamous cell carcinoma (LSCC) cells and the potential molecular mechanisms remain unclear. In the present study, we evaluated the expression levels of CDK8 by quantitative real-time reverse-transcriptase polymerase chain reaction (qRT-PCR) and immunohistochemistry in tissue samples of 60 LSCC patients...
February 20, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28220258/impact-of-denosumab-use-on-the-survival-of-untreated-non-squamous-non-small-cell-lung-cancer-patients-with-bone-metastases
#6
Hibiki Udagawa, Seiji Niho, Keisuke Kirita, Shigeki Umemura, Shingo Matsumoto, Kiyotaka Yoh, Koichi Goto
PURPOSE: Denosumab reduces the incidence of skeletal-related events (SREs) in solid tumor patients with bone metastases (BM). However, there have been no detailed reports of the efficacy of denosumab in untreated non-squamous non-small cell lung cancer (NSCLC) patients with BM. METHODS: The medical records of patients with untreated non-squamous NSCLC and BM at diagnosis at our institution were reviewed retrospectively. The overall survival (OS) and the time to SREs were analyzed according to the treatment for the BM...
February 20, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28219587/management-of-bladder-cancer-after-renal-transplantation
#7
C Demirdag, S Citgez, Z Talat, B Onal
OBJECTIVES: In renal transplant recipients, the risk of developing bladder cancer and rate of diagnosis of advanced staged bladder cancer are generally higher than the general population. Also, it is more challenging to treat renal transplant recipients than the regular patient population. We aimed to evaluate the efficacy and safety of radical cystectomy (RC) and urinary diversion with ileal conduit in renal transplant recipients. METHODS: We identified 2 patients with prior history of renal transplantation who underwent RC and ileal conduit urinary diversion for bladder cancer...
March 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28219480/de-repression-of-the-rac-activator-elmo1-in-cancer-stem-cells-drives-progression-of-tgf%C3%AE-deficient-squamous-cell-carcinoma-from-transition-zones
#8
Heather A McCauley, Véronique Chevrier, Daniel Birnbaum, Géraldine Guasch
Squamous cell carcinomas occurring at transition zones are highly malignant tumors with poor prognosis. The identity of the cell population and the signaling pathways involved in the progression of transition zone squamous cell carcinoma are poorly understood, hence representing limited options for targeted therapies. Here, we identify a highly tumorigenic cancer stem cell population in a mouse model of transitional epithelial carcinoma and uncover a novel mechanism by which loss of TGFβ receptor II (Tgfbr2) mediates invasion and metastasis through de-repression of ELMO1, a RAC-activating guanine exchange factor, specifically in cancer stem cells of transition zone tumors...
February 21, 2017: ELife
https://www.readbyqxmd.com/read/28219181/-immunotherapy-for-head-and-neck-squamous-cell-carcinoma
#9
J Chen, M Chen, H T Wu
Head and neck squamous cell carcinoma(HNSCC) is the sixth most common malignancies of human beings. The prognosis of advanced HNSCC is poor despite improvements in traditional treatment strategies including surgery, chemotherapy, and radiotherapy. Cancer immunotherapy is the use of the immune system to treat cancer, which provides a sustained antitumor reaction but an absense of chemoresistance. Cancer immunotherapy is becoming the forth treatment strategy towards cancer. Therefore, we reviewed the current state of immunotherapy for HNSCC...
February 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28218469/diagnostic-accuracy-of-reflectance-confocal-microscopy-using-vivascope-for-detecting-and-monitoring-skin-lesions-a-systematic-review
#10
S J Edwards, G Osei-Assibey, R Patalay, V Wakefield, C Karner
BACKGROUND: Skin cancer is one of the most common cancers in the UK. Patients with suspicious skin lesions are assessed clinically with/without dermoscopy, and lesions still considered suspicious are then surgically removed or have the diagnosis confirmed by a punch biopsy. AIM: To evaluate the diagnostic accuracy of the in vivo VivaScope(©) reflective confocal microscopy (RCM) system, a noninvasive technology designed to provide a more accurate presurgical diagnosis, leading to fewer biopsies of benign lesions, or to provide greater accuracy for lesion margins...
February 20, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28218345/risk-of-non-melanoma-skin-cancer-in-patients-with-atopic-dermatitis-treated-with-oral-immunosuppressive-drugs
#11
Floor M Garritsen, Jorien van der Schaft, Juul M van den Reek, Klaziena Politiek, Harmieke van Os-Medendorp, Marijke van Dijk, Dirk J Hijnen, Marlies de Graaf, Carla A Bruijnzeel-Koomen, Elke M de Jong, Marie-Louise A Schuttelaar, Marjolein S Bruin-Weller
There is uncertainty about the risk of developing non-melanoma skin cancer (NMSC), including basal cell carcinoma and squamous cell carcinoma (SCC), in patients with atopic dermatitis (AD) treated with oral immunosuppressive drugs. A total of 557 patients with AD treated with these drugs in the University Medical Center Utrecht and Groningen, the Netherlands, were analysed. NMSC after oral immunosuppressive treatment was reported in 18 patients (3.2%). The standardized incidence ratio for developing SCC was 13...
February 20, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28218046/thyroid-transcription-factor-1-expression-is-associated-with-outcome-of-patients-with-non-squamous-non-small-cell-lung-cancer-treated-with-pemetrexed-based-chemotherapy
#12
Ondrej Fiala, Milos Pesek, Jana Skrickova, Vitezslav Kolek, Frantisek Salajka, Marcela Tomiskova, Monika Satankova, Juraj Kultan, Jana Kuliskova, Martin Svaton, Michal Hrnciarik, Karel Hejduk, Renata Chloupkova, Ondrej Topolcan, Helena Hornychova, Marketa Nova, Ales Ryska, Jindrich Finek
Pemetrexed is an antifolate cytostatic agent targeting several folate-dependent enzymatic pathways, widely used in the treatment of locally advanced or metastatic stage non-small cell lung cancer. Aside from the non-squamous histology, there is still no available molecular biomarker predicting treatment efficacy of pemetrexed-based chemotherapy. The aim of our retrospective study was to evaluate the association of thyroid transcription factor 1 expression with outcome of a large cohort of patients with non-squamous non-small cell lung cancer treated with pemetrexed...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28217933/cytology-of-the-neovagina-in-transgender-women-and-individuals-with-congenital-or-acquired-absence-of-a-natural-vagina
#13
A Grosse, C Grosse, D Lenggenhager, B Bode, U Camenisch, P Bode
OBJECTIVE: The primary objective of this study was to describe the cytological findings of bowel and (penile) skin-lined neovaginas in patients with gender dysphoria (GD) and individuals with a congenital or acquired absence of a natural vagina. The secondary objective was to correlate the cytological findings with clinical characteristics such as oestrogen replacement therapy (ERT). METHODS: A retrospective review of an institutional pathology archive over a 15-year-period was performed to identify cytological samples of neovaginal vaults...
February 20, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28217020/correlation-of-positron-emission-tomography-computed-tomography-scan-with-smoking-tumor-size-stage-and-differentiation-in-head-and-neck-cancer-patients
#14
Jordan L Pleitz, Partha Sinha, Emily V Dressler, Rony K Aouad
The goal of this study was to identify associations between positron emission tomography/computed tomography (PET/CT) maximum standardized uptake value (SUVmax) in patients presenting with head and neck squamous cell carcinoma (SCC) with tumor site, size, histologic differentiation, smoking, and diabetes. Charts of patients with oropharyngeal and laryngeal SCC who underwent (18)F-fluorodeoxyglucose PET/CT scans were reviewed between May 2007 and August 2013. Statistical analyses included modeling log-transformed SUVmax values by tumor site, size, histologic differentiation, smoking status, and diabetes using unadjusted linear regressions...
January 2017: World Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28216943/non-transitional-cell-carcinoma-of-the-upper-urinary-tract-a-case-series-among-305-cases-at-a-tertiary-urology-institute
#15
Mohamed Mohamed Elawdy, Diaa-Eldin Taha, Yasser Osman, Mohamed Abd El-Hamid, Mohsen El-Mekresh
Non-transitional cell carcinomas (non-TCC) of the upper urinary tract as squamous cell carcinoma (SCC), adenocarcinoma, and small cell carcinoma (SmCC) are rare with few case reports in the literature. We retrospectively reviewed our patients who surgically treated for upper tract urothelial carcinoma from 1983 to 2013 for non-TCC pathological cancer characteristics and survival. Among 305 patients, only 5 (1.6%) cases were found: One case of SmCC, another had adenocarcinoma, and 3 SCC cases. None of them had intravesical recurrence and the cancer-specific survival for non-TCC cohort is markedly decreased (log-rank = 0...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28215944/cd44-cancer-cell-induced-metastasis-a-feasible-neck-metastasis-model
#16
Tian-Fu Wu, Lei Chen, Lin-Lin Bu, Jie Gao, Wen-Feng Zhang, Jun Jia
Neck metastasis of oral squamous cell carcinoma (OSCC) indicates a poor prognosis. Few neck metastasis models are currently available for drug trials and clinical research on OSCC. This study constructed a feasible animal model of neck metastasis by using CD44+ stem cell-like cancer cells. Real-time PCR was used to determine the expression levels of several reported cancer stem cell (CSC) markers, including CD44, CD133, ALDH1 and OCT4, in three OSCC cell lines. Magnetic sorting and DiO/DiD labelling were used to isolate subpopulations of cells and monitor cancer cell migration...
February 12, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28214903/risks-and-benefits-of-multimodal-esophageal-cancer-treatments-a-meta-analysis
#17
Lei Sun, Fen Zhao, Yan Zeng, Cheng Yi
BACKGROUND Esophageal cancer has traditionally been associated with very poor outcomes. A number of therapies are available for the treatment and palliation of esophageal cancer, but little systematic evidence compares the efficacy of different treatment strategies. This meta-analysis aimed to investigate whether treatments in addition to radiotherapy could provide better efficacy and safety. MATERIAL AND METHODS We identified a total of 12 eligible studies with 18 study arms by searching PubMed, the Cochrane Library, EMBASE, and Clinical Trials...
February 19, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28214218/implication-of-downregulation-and-prospective-pathway-signaling-of-microrna-375-in-lung-squamous-cell-carcinoma
#18
Wen-Jie Chen, Ting-Qing Gan, Hui Qin, Su-Ning Huang, Li-Hua Yang, Ye-Ying Fang, Zu-Yun Li, Lin-Jiang Pan, Gang Chen
BACKGROUND: Lung cancer is one of the most typical cancers in the world. Altered expression profiles of microRNA-375(miR-375) are linked to many diseases including lung cancer. However, the relationship between miR-375 and lung squamous cell carcinoma (LUSC) is controversial. METHODS: We first evaluated the 23 LUSCs and the paired normal lung tissues by qRT-PCR. Then we analyzed the LUSC samples with miR-375 expression based on The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO)...
January 22, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28214216/cancer-stem-cell-cytokeratins-and-epithelial-to-mesenchymal-transition-markers-expression-in-oral-squamous-cell-carcinoma-derived-from-ortothopic-xenoimplantation-of-cd44-high-cells
#19
Nathália Paiva de Andrade, Maria Fernanda Setúbal Destro Rodrigues, Camila Oliveira Rodini, Fabio Daumas Nunes
Oral squamous cell carcinoma (OSCC) is the most prevalent neoplasia of oral cavity worldwide and prognosis remains unchanged in decades. Recently, different authors reported that head and neck squamous cell carcinomas have a subpopulation of tumor initiating cells that apparently correspond to cancer stem cells (CSC) and are also responsible for tumor growth and metastasis. The purpose of the present study was to investigate the microscopic and phenotypic characteristics of OSCC tumors induced after orthotopic xenoimplantation of SCC9(WT) cell line and CSC-enriched subpopulation isolated from SCC9 cell line based on high expression of the putative CSC marker CD44...
December 23, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28213876/update-on-neoadjuvant-regimens-for-patients-with-operable-oesophageal-gastrooesophageal-junction-adenocarcinomas-and-squamous-cell-carcinomas
#20
REVIEW
Samantha J Cox, Sean M O'Cathail, Bernadette Coles, Tom Crosby, Somnath Mukherjee
Survival outcomes following multimodal treatment of operable oesophageal and gastrooesophageal cancer remain disappointingly poor. Although an appreciation of the impact of both tumour location and histological subtype is now shaping the design of clinical trials, there has been a lack of consensus of the optimal neoadjuvant treatment strategy. This update article will review recent advances in the use of both neoadjuvant chemotherapy and chemoradiotherapy. The emerging role of PET imaging to direct appropriate neoadjuvant treatment regimens and the additive benefit of biological agents are also discussed...
January 2017: Current Oncology Reports
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