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Cancer Mucositis

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https://www.readbyqxmd.com/read/29352431/analysis-and-comparison-of-the-8th-edition-american-joint-committee-on-cancer-ajcc-nodal-staging-system-in-cutaneous-and-oral-squamous-cell-cancer-of-the-head-and-neck
#1
Nikolaus Moeckelmann, Ardalan Ebrahimi, Richard Dirven, Jessica Liu, Tsu-Hui Hubert Low, Ruta Gupta, Bruce Ashford, Sydney Ch'ng, Carsten E Palme, Jonathan R Clark
BACKGROUND: The American Joint Committee on Cancer (AJCC) uses the same nodal staging system for cutaneous and mucosal squamous cell carcinoma of the head and neck in its 8th edition (AJCC 8) despite differences in the etiology, risk factors, and clinical behavior of the two diseases. This study aims to evaluate the performance of the AJCC 8 nodal staging system by direct comparison of cutaneous (cSCC) versus oral squamous cell carcinoma (oSCC) patients. METHODS: Patients with metastatic cSCC (N = 382) and oSCC (N = 325) were identified from a prospective database (years 1987-2016)...
January 19, 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29348572/areca-nut-extracts-mobilize-calcium-and-release-pro-inflammatory-cytokines-from-various-immune-cells
#2
Malika Faouzi, Ram P Neupane, Jian Yang, Philip Williams, Reinhold Penner
Betel nut consumption has significant implications for the public health globally, as the wide-spread habit of Areca chewing throughout Asia and the Pacific is associated with a high prevalence of oral carcinoma and other diseases. Despite a clear causal association of betel nut chewing and oral mucosal diseases, the biological mechanisms that link Areca nut-contained molecules, inflammation and cancer remain underexplored. In this study we show that the whole Areca nut extract (ANE) is capable of mobilizing Ca2+ in various immune cell lines...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29344221/livin-serves-as-a-prognostic-marker-for-mid-distal-rectal-cancer-and-a-target-of-mid-distal-rectal-cancer-treatment
#3
Qi-Biao Su, Lai-You Wang, Gui-Ning Wei, Li-Zhen Liao, Jie Zhao, Hong-Jun Liu, Yu-Long Shi, Le-Ping Li, Chen-Sheng Li
Livin is a novel member of the inhibitor of apoptosis protein family, which has been identified to be expressed in various malignancies and is suggested to be associated with poor prognostic significance. However, no data are available concerning the significance of livin in mid-distal rectal cancer. In the present study, livin expression, and its association with clinicopathological characteristics and prognosis was examined in patients with mid-distal rectal cancer. Apoptotic susceptibility, invasion capacity and chemosensitivity of LoVo cells were investigated using small interfering RNA (siRNA)-mediated knockdown of livin...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29338018/oral-mucosa-tissue-gene-expression-profiling-before-during-and-after-radiation-therapy-for-tonsil-squamous-cell-carcinoma
#4
Mette Marcussen, Mads Sønderkær, Julie Støve Bødker, Maria Andersen, Søren Nielsen, Charles Vesteghem, Ilse Christiansen, Olav Jonas Bergmann, Martin Bøgsted, Karen Dybkær, Mogens Vyberg, Hans Erik Johnsen
BACKGROUND: Radiation-therapy (RT) induces mucositis, a clinically challenging condition with limited prophylactic interventions and no predictive tests. In this pilot study, we applied global gene-expression analysis on serial human oral mucosa tissue and blood cells from patients with tonsil squamous cell cancer (TSCC) to identify genes involved in mucositis pathogenesis. METHODS AND FINDINGS: Eight patients with TSCC each provided consecutive buccal biopsies and blood cells before, after 7 days of RT treatment, and 20 days following RT...
2018: PloS One
https://www.readbyqxmd.com/read/29337392/oral-health-related-concerns-behavior-and-communication-with-health-care-providers-of-patients-with-breast-cancer-impact-of-different-treatments
#5
L Susan Taichman, Catherine H Van Poznak, Marita R Inglehart
AIM: The objectives are to compare responses of breast cancer (BCa) treatment groups (chemotherapy, tamoxifen, and aromatase inhibitors (AIs) to each other and a control regarding (a) subjective oral health, (b) oral health-related behaviors, (c) oral health-related concerns, and (d) communication with health care providers. METHODS: Survey data were collected from 140 postmenopausal BCa patients and 41 healthy postmenopausal control respondents. RESULTS: BCa patients reported on average more frequent mouth sores/mucositis (5-point scale with 1 = never: 1...
January 16, 2018: Special Care in Dentistry
https://www.readbyqxmd.com/read/29335825/application-of-artificial-intelligence-using-a-convolutional-neural-network-for-detecting-gastric-cancer-in-endoscopic-images
#6
Toshiaki Hirasawa, Kazuharu Aoyama, Tetsuya Tanimoto, Soichiro Ishihara, Satoki Shichijo, Tsuyoshi Ozawa, Tatsuya Ohnishi, Mitsuhiro Fujishiro, Keigo Matsuo, Junko Fujisaki, Tomohiro Tada
BACKGROUND: Image recognition using artificial intelligence with deep learning through convolutional neural networks (CNNs) has dramatically improved and been increasingly applied to medical fields for diagnostic imaging. We developed a CNN that can automatically detect gastric cancer in endoscopic images. METHODS: A CNN-based diagnostic system was constructed based on Single Shot MultiBox Detector architecture and trained using 13,584 endoscopic images of gastric cancer...
January 15, 2018: Gastric Cancer
https://www.readbyqxmd.com/read/29328891/dysplasia-should-not-be-ignored-in-lichenoid-mucositis
#7
L D Rock, D M Laronde, I Lin, M P Rosin, B Chan, B Shariati, L Zhang
Oral lichen planus is categorized as a potentially malignant condition by the World Health Organization; however, some argue that only lichen planus with dysplasia have malignant potential. Many pathologists call lichen planus with dysplasia "dysplasia with lichenoid mucositis (LM)" or "LM with dysplasia." Previous research has shown that certain high-risk patterns of loss of heterozygosity (LOH) in dysplastic lesions are associated with significantly increased cancer risk. However, LM without dysplasia lacks such molecular patterns, supporting the hypothesis that LM, by itself, is not potentially malignant and that only those with dysplasia have malignant potential...
January 1, 2018: Journal of Dental Research
https://www.readbyqxmd.com/read/29325417/rhubarb-supplementation-promotes-intestinal-mucosal-innate-immune-homeostasis-through-modulating-intestinal-epithelial-microbiota-in-goat-kids
#8
Jinzhen Jiao, Jian Wu, Min Wang, Chuanshe Zhou, Rong-Zhen Zhong, Zhi-Liang Tan
The abuse and misuse of antibiotics in livestock production pose a potential health risk globally. Rhubarb can serve as a potential alternative to antibiotics, and several studies have looked into its anti-cancer, anti-tumor and anti-inflammatory properties. The aim of this study was to test the effects of rhubarb supplementation to the diet of young ruminants on innate immune function and epithelial microbiota in the small intestine. Goat kids were fed with a control diet supplemented with or without rhubarb (1...
January 11, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29324423/effects-of-omega-3-fatty-acids-against-chemotherapy-induced-mucositis-a-double-blind-randomized-clinical-trial
#9
Maryam Alsadat Hashemipour, Samaneh Barzegari, Shahla Kakoie, Raha Habib Aghahi
OBJECTIVE: This double-blind randomized clinical trial evaluates the ef cacy and route of administration of omega-3 fatty acids for the prevention and treatment of oral mucositis in patients undergoing che- motherapy in Iranian hospitals. MATERIALS AND METHODS: Sixty patients developing World Health Organization (WHO) grade 1 oral mucositis were randomized to the omega-3 fatty acid (n=30) or placebo (n=30) group. Mucositis was assessed according to the WHO, Western Consortium for Cancer Nursing Research, and Oral Mucositis Weekly Questionnaire cri- teria at baseline and rst, second, and third weeks of chemotherapy un- til mucositis resolved...
December 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/29323575/phase-ii-investigational-oral-drugs-for-the-treatment-of-radio-chemotherapy-induced-oral-mucositis
#10
Stephen T Sonis, Alessandro Villa
Oral mucositis is a significant unmet clinical need for many cancer patients. The biological complexity of mucositis' pathogenesis provides a number of mechanistic targets suitable as pharmacologic targets. The diversity of targets has stimulated drug development in search of an effective intervention. In this paper, we review a range of agents that are currently being evaluated. Areas covered: Drugs for management of oral mucositis vary in formulation, route of administration and biological target. Most propose to interrupt the initiation of injury by suppressing activation of the innate immune response or countering oxidative stress, or minimizing downstream inflammatory responses...
January 11, 2018: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/29320832/-diagnostic-value-of-endobronchial-ultrasonography-with-a-guide-sheath-for-peripheral-pulmonary-ground-glass-opacity
#11
L Zhang, M Li, S He, R Tong, J Q Zhu, G Q Wang
Objective: To explore the diagnostic value of endobronchial ultrasonography with a guide sheath (EBUS-GS) for peripheral pulmonary ground glass opacity (GGO). Methods: The clinical data of 27 consecutive patients with 27 GGOs diagnosed by EBUS-GS between November 2014 to December 2015 in our Cancer Hospital were retrospectively analyzed. The average age of these 27 patients, including 9 males and 18 females, was 59±11 years. The median lesion size of the 27 GGOs was 2.9±1.2 cm, including 24 mixed GGOs and 3 pure GGOs...
November 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/29320755/downregulated-sash1-expression-indicates-poor-clinical-prognosis-in-gastric-cancer
#12
Nan Zhou, Can Liu, Xudong Wang, Qinsheng Mao, Qin Jin, Peng Li
SASH1 (SAM- and SH3-domain containing 1), a novel candidate tumor suppressor, has attracted attention due to its role in intracellular signal transduction and its tumor prognostic value in diverse cancers. Reports have demonstrated that reduced SASH1 expression correlates with tumor proliferation, invasion, and metastasis. However, the expression and prognostic significance of SASH1 in gastric cancer (GC) remain unclear. In this study, 8 paired fresh-frozen GC tissues and corresponding gastric mucosal tissues were examined by Western blot to analyze the protein expression of SASH1...
January 7, 2018: Human Pathology
https://www.readbyqxmd.com/read/29318884/inhibition-of-epithelial-mesenchymal-transition-and-tissue-regeneration-by-waterborne-titanium-dioxide-nanoparticles
#13
Xiaojiao Li, Lele Song, Xingjie Hu, Chang Liu, Jiye Shi, Hui Wang, Lixing Zhan, Haiyun Song
Titanium dioxide nanoparticles (TiO2NPs) are among the most widely manufactured nanomaterials with broad applications in food industry, cosmetics and medicine. Whereas the toxicity of TiO2NPs at high doses has been extensively explored, potential health risks of TiO2NPs exposure at non-toxic concentrations remain poorly understood. Epithelial-mesenchymal transition (EMT) plays pivotal roles in a diversity of physiological and pathological processes including tissue regeneration and cancer metastasis. In this study, we find that cellular uptake of TiO2NPs inhibits EMT-mediated cell remodeling and cell migration without exhibiting cytotoxicity...
January 10, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29315944/the-effectiveness-of-a-saline-mouth-rinse-regimen-and-education-programme-on-radiation-induced-oral-mucositis-and-quality-of-life-in-oral-cavity-cancer-patients-a-randomised-controlled-trial
#14
B-S Huang, S-C Wu, C-Y Lin, K-H Fan, J T-C Chang, S-C Chen
Radiation therapy (RT) and concurrent chemotherapy RT (CCRT) generate radiation-induced oral mucositis (OM) and lower quality of life (QOL). This study assessed the impact of a saline mouth rinse regimen and education programme on radiation-induced OM symptoms, and QOL in oral cavity cancer (OCC) patients receiving RT or CCRT. Ninety-one OCC patients were randomly divided into a group that received saline mouth rinses and an education programme and a control group that received standard care. OM symptoms and QOL were assessed with the WHO Oral Toxicity Scale, MSS-moo and UW-QOL...
January 9, 2018: European Journal of Cancer Care
https://www.readbyqxmd.com/read/29314782/chemotherapy-induced-oral-mucositis-and-associated-infections-in-a-novel-organotypic-model
#15
Takanori Sobue, Martinna Bertolini, Angela Thompson, Douglas E Peterson, Patricia I Diaz, Anna Dongari-Bagtzoglou
Oral mucositis is a common side effect of cancer chemotherapy, with significant adverse impact on the delivery of anti-neoplastic treatment. There is lack of consensus regarding the role of oral commensal microorganisms in the initiation or progression of mucositis since relevant experimental models are non-existent. The goal of this study was to develop an in vitro mucosal injury model that mimics chemotherapy-induced mucositis, where the effect of oral commensals can be studied. A novel organotypic model of chemotherapy-induced mucositis was developed based on a human oral epithelial cell line and a fibroblast-embedded collagen matrix...
January 4, 2018: Molecular Oral Microbiology
https://www.readbyqxmd.com/read/29313134/the-effectiveness-of-zataria-extract-mouthwash-for-the-management-of-radiation-induced-oral-mucositis-in-patients-a-randomized-placebo-controlled-double-blind-study
#16
Azar Aghamohammadi, Daryush Moslemi, Jafar Akbari, Arash Ghasemi, Mohammad Azadbakht, Askari Asgharpour, Seyed Jalal Hosseinimehr
OBJECTIVES: Oral mucositis (OM) is a common debilitating complication of chemoradiotherapy treatment of head and neck cancers. This randomized placebo-controlled double-blind clinical trial study was performed to evaluate the effectiveness of Zataria multiflora (ZM) extract mouthwash in the prevention and reduction of OM related to local radiotherapy in the treatment of head and neck cancer patients. METHODS: Sixty-three patients with head and neck cancers, who underwent a conventional fractionated radiotherapy regimen, were entered into the study...
January 8, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29311694/intravital-mucosal-imaging-of-cd8-resident-memory-t-cells-shows-tissue-autonomous-recall-responses-that-amplify-secondary-memory
#17
Lalit K Beura, Jason S Mitchell, Emily A Thompson, Jason M Schenkel, Javed Mohammed, Sathi Wijeyesinghe, Raissa Fonseca, Brandon J Burbach, Heather D Hickman, Vaiva Vezys, Brian T Fife, David Masopust
CD8+ T cell immunosurveillance dynamics influence the outcome of intracellular infections and cancer. Here we used two-photon intravital microscopy to visualize the responses of CD8+ resident memory T cells (TRM cells) within the reproductive tracts of live female mice. We found that mucosal TRM cells were highly motile, but paused and underwent in situ division after local antigen challenge. TRM cell reactivation triggered the recruitment of recirculating memory T cells that underwent antigen-independent TRM cell differentiation in situ...
January 8, 2018: Nature Immunology
https://www.readbyqxmd.com/read/29304764/mir-199a-b-3p-inhibits-gastric-cancer-cell-proliferation-via-down-regulating-pak4-mek-erk-signaling-pathway
#18
Bin Zeng, Wei Shi, Gao Tan
BACKGROUND: Gastric cancer (GC) is one of the most frequent malignant tumors and the molecular mechanism underlying its proliferation remains far from completely understood. Although accumulating evidence shows that abnormal expression of microRNA (miRNA) is involved in tumorigenesis, the role of specific miRNAs involved in GC remains elusive. MiR-199a/b-3p functions as a tumor suppressor in diverse cancers, but its expression, function, and mechanism in GC remain unclear. Our aim is to explore miR-199a/b-3p expression and its role in regulating GC cell proliferation...
January 5, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29304229/cd16-macrophages-mediate-fibrosis-in-inflammatory-bowel-disease
#19
Pedro Salvador, Dulce Carolina Macías-Ceja, Laura Gisbert-Ferrándiz, Carlos Hernández, David Bernardo, Rafael Alós, Francisco Navarro-Vicente, Juan Vicente Esplugues, Dolores Ortiz-Masiá, Maria Dolores Barrachina, Sara Calatayud
Background and aims: Fibrosis is a common complication of Crohn's disease, and is related with dysregulated tissular repair following inflammation, in which macrophages play a central role. We have previously observed that STAT6-/- mice present delayed mucosal recovery after TNBS-induced colitis due to a deficiency in reparatory IL4/STAT6-dependent M2 macrophages, which can be reverted by the exogenous transfer of this cell type. In the present study we aimed to analyze the role of STAT6-dependent macrophages in intestinal fibrosis...
January 3, 2018: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/29304109/combination-chemotherapy-with-regorafenib-in-metastatic-colorectal-cancer-treatment-a-single-center-retrospective-study
#20
Chun-Yu Lin, Tseng-Hsi Lin, Chou-Chen Chen, Ming-Cheng Chen, Chou-Pin Chen
BACKGROUND: Regorafenib has been demonstrated as effective in refractory metastatic colorectal cancer. Combination use with chemotherapy has not been reported. We examined the efficacy and safety of adding chemotherapy to Regorafenib for the treatment of metastatic colorectal cancer(mCRC) patients. METHODS: We recruited mCRC patients at our institute who received either regorafenib monotherapy or regorafenib in combination with other chemotherapies. All patients had received chemo and target therapies and presented with disease progression before regorafenib treatment...
2018: PloS One
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