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https://www.readbyqxmd.com/read/28102887/clinical-trial-of-nintedanib-in-patients-with-recurrent-or-metastatic-salivary-gland-cancer-of-the-head-and-neck-a-multicenter-phase-2-study-korean-cancer-study-group-hn14-01
#1
Youjin Kim, Su Jin Lee, Ji Yun Lee, Se-Hoon Lee, Jong-Mu Sun, Keunchil Park, Ho Jung An, Jae Yong Cho, Eun Joo Kang, Ha-Young Lee, Jinsoo Kim, Bhumsuk Keam, Hye Ryun Kim, Kyoung Eun Lee, Moon Young Choi, Ki Hyeong Lee, Myung-Ju Ahn
BACKGROUND: Salivary gland cancers (SGCs) are uncommon and account for less than 5% of all head and neck cancers, but they are histologically heterogeneous. No specific therapy, including targeted agents, has consistently improved clinical outcomes in recurrent/metastatic SGC. Recent studies suggest that vascular endothelial growth factor receptor (VEGFR) and platelet-derived growth factor receptor (PDGFR) play important roles in SGC. Nintedanib is a potent small-molecule, triple-receptor tyrosine kinase inhibitor (VEGFR1, VEGFR2, and VEGFR3; fibroblast growth factor receptor 1 [FGFR1], FGFR2, and FGFR3; and PDGFRα and PDGFRß)...
January 19, 2017: Cancer
https://www.readbyqxmd.com/read/28101653/effect-of-timing-of-collection-of-salivary-metabolomic-biomarkers-on-oral-cancer-detection
#2
Shigeo Ishikawa, Masahiro Sugimoto, Kenichiro Kitabatake, Micheal Tu, Ayako Sugano, Iku Yamamori, Asuka Iba, Kazuyuki Yusa, Miku Kaneko, Sana Ota, Kana Hiwatari, Ayame Enomoto, Tomita Masaru, Mitsuyoshi Iino
The aim of this study is to evaluate the effect of duration after meals for saliva collections for oral cancer detection using metabolomics. Saliva samples were collected from oral cancer patients (n = 22) and controls (n = 44). Saliva from cancer patients was collected 12 h after dinner, and 1.5 and 3.5 h after breakfast. Control subjects fasted >1.5 h prior to saliva collection. Hydrophilic metabolites were analyzed using capillary electrophoresis mass spectrometry. Levels of 51 metabolites differed significantly in controls vs...
January 18, 2017: Amino Acids
https://www.readbyqxmd.com/read/28101030/mucoepidermoid-carcinoma-of-the-breast-found-during-treatment-of-lymphoma
#3
Minoru Fujino, Daisuke Mori, Michiaki Akashi, Hidetaka Yamamoto, Hitoshi Aibe, Kunishige Matake, Kengo Shirahane
A 71-year-old woman, previously treated for malignant lymphoma, was admitted to our hospital with a tumor in the right breast. The tumor size was 2.0 cm in diameter, and the borderline was unclear. The core needle biopsy material revealed an invasive adenocarcinoma with metaplastic change. Right mastectomy and sentinel lymph node biopsy was performed. Histologically, the tumor was composed of mucus-secreting, epidermoid, and intermediate cells. These findings confirmed the diagnosis as mucoepidermoid carcinoma (MEC) of the breast...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/28092948/oral-cell-dna-adducts-as-potential-biomarkers-for-lung-cancer-susceptibility-in-cigarette-smokers
#4
Stephen S Hecht
This perspective considers the use of oral cell DNA adducts, together with exposure and genetic information, to potentially identify those cigarette smokers at highest risk for lung cancer, so that appropriate preventive measures could be initiated at a relatively young age before too much damage has been done. There are now well established and validated analytical methods for the quantitation of urinary and serum metabolites of tobacco smoke toxicants and carcinogens. These metabolites provide a profile of exposure and in some cases lung cancer risk, but they do not yield information on the critical DNA damage parameter that leads to mutations in cancer growth control genes such as KRAS and TP53...
January 17, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28079429/association-between-late-effects-assessed-by-physicians-and-quality-of-life-reported-by-head-and-neck-cancer-survivors
#5
Rikke Daugaard, Trille Kjaer, Christoffer Johansen, Jane Christiansen, Elo Andersen, Anni L Nielsen, Susanne O Dalton
BACKGROUND: Many survivors of head-and-neck cancer (HNC) suffer from late effects. Their overall quality of life deteriorates during treatment, followed by a slow recovery up to five years after treatment. We examined the association between the severity of physician-assessed late effects and the health-related quality of life (HRQoL) reported by survivors of HNC. MATERIAL AND METHODS: The analysis was based on data collected during follow-up for 136 survivors of cancer in the oral cavity, pharynx, larynx, or salivary glands...
January 12, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28071626/prognostic-factors-in-postoperative-radiotherapy-in-salivary-gland-carcinoma-a-single-institution-experience-from-turkey
#6
M Kandaz, G Soydemir, Z Bahat, E Canyılmaz, A Yöney
BACKGROUND: We reviewed clinical characteristics, treatment outcomes, local and distant failure and prognostic factors in patients with salivary gland carcinoma treated with surgery and postoperative radiotherapy. MATERIALS AND METHODS: We retrospectively reviewed 75 patients with salivary gland cancer. 69 (%92) patients had cancer of the parotid gland, 3 (%4) patients had cancer of the submandibular gland and 3 (%4) patients had cancer of the minor salivary gland...
April 2016: Indian Journal of Cancer
https://www.readbyqxmd.com/read/28061862/bulbar-conjunctival-metastasis-from-mucoepidermoid-carcinoma-of-parotid-a-case-report-and-review-of-literature
#7
Rajshri Yadav, Azhar J Battoo, Abdul W Mir, Altaf G Haji
BACKGROUND: Mucoepidermoid carcinoma of salivary glands usually metastasizes to the lungs, liver, bone, brain, and skin. We report a rare case of distant metastasis of high-grade mucoepidermoid carcinoma of the parotid to the ipsilateral bulbar conjunctiva of the eye. CASE PRESENTATION: Sixty-year-old male of Kashmiri origin presented to our tertiary care referral cancer institute with exophytic lesion of the left bulbar conjunctiva following his treatment for mucoepidermoid cancer of ipsilateral parotid gland, 9 months back...
January 7, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28060365/newly-described-salivary-gland-tumors
#8
Alena Skalova, Michal Michal, Roderick Hw Simpson
This review concentrates on three salivary gland tumors that have been accepted in the recent literature as new neoplastic entities: mammary analog secretory carcinoma (MASC), sclerosing polycystic adenoma (SPA) and cribriform adenocarcinoma of tongue and other minor salivary glands (CAMSGs). MASC is a distinctive low-grade malignant salivary cancer that harbors a characteristic chromosomal translocation, t(12;15) (p13;q25) resulting in an ETV6-NTRK3 fusion. SPA is a rare lesion often mistaken histologically for low-grade salivary carcinoma...
January 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28057570/in-vitro-activity-and-stability-of-pure-human-salivary-aldehyde-dehydrogenase
#9
Amaj Ahmed Laskar, Md Fazle Alam, Hina Younus
Human salivary aldehyde dehydrogenase (HsALDH) appears to be the first line of defence against toxic aldehydes contained in exogenous sources and is important for maintaining healthy oral cavity and protection from oral cancer. Here, the activity and stability of purified hsALDH has been determined under different conditions such as temperature, in presence of denaturants [Urea and guanidine hydrochloride (GnHCl)] and in the presence of salt (NaCl). The pure enzyme exhibited low stability when stored at room temperature (25°C) as well as at low temperature (4°C)...
January 3, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28050886/evaluation-of-cortisol-and-telomere-length-measurements-in-ethnically-diverse-women-with-breast-cancer-using-culturally-sensitive-methods
#10
Julio Ramirez, May Elmofty, Esperanza Castillo, Mindy DeRouen, Salma Shariff-Marco, Laura Allen, Scarlett Lin Gomez, Anna María Nápoles, Leticia Márquez-Magaña
The under-representation of ethnic minority participants, who are more likely to be socially disadvantaged in biomedical research, limits generalizability of results and reductions in health disparities. To facilitate investigations of how social disadvantage "gets under the skin," this pilot study evaluated low-intensity methods for collecting hair and saliva samples from multiethnic breast cancer survivors (N = 70) and analysis of biomarkers of chronic stress (cortisol levels) and biological age (telomere length)...
January 3, 2017: Journal of Community Genetics
https://www.readbyqxmd.com/read/28048945/organotypic-spheroid-culture-to-mimic-radiation-induced-salivary-hypofunction
#11
H S Shin, H Y An, J S Choi, H J Kim, J Y Lim
Radiation treatment often leads to irreversible damage to normal salivary glands (SGs) because of their proximity to head and neck cancers. Optimization of the in vitro model of irradiation (IR)-induced SG damage is warranted to investigate pathophysiology and monitor treatment outcome. Here, we present an organotypic spheroid culture model to investigate the impact of IR on SGs and the mechanisms underlying IR-induced structural and functional changes. Human parotid epithelial cells were obtained from human parotid glands and plated on either plastic plates or Matrigel...
December 1, 2016: Journal of Dental Research
https://www.readbyqxmd.com/read/28048503/su-d-204-04-correlations-between-dosimetric-indices-and-follow-up-data-for-salivary-glands-six-months-after-radiation-therapy-for-head-and-neck-cancer
#12
B Chera, A Price, M Kostich, R Amdur, W Mendenhall, N Sheets, R Green, L Marks, S Das, P Mavroidis
PURPOSE: To investigate the correlation between different dosimetric indices of salivary glands (as separate or combined structures) to patient-reported dry mouth 6 months post radiotherapy using the novel patient reported outcome version of the CTCAE (PRO-CTCAE). METHODS: Forty-three patients with oropharyngeal squamous cell carcinoma were treated on a prospective multi-institutional study. All patients received de-intensified 60 Gy intensity modulated radiotherapy...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047022/su-g-iep2-10-lens-dose-reduction-by-patient-position-modification-during-neck-ct-exams
#13
E Mosher, J Butman, N Biassou, L Folio, C Lee
PURPOSE: Irradiation of the lens during a neck CT may increase a patient's risk of developing cataracts later in life. Radiologists and technologists at the National Institutes of Health Clinical Center (NIHCC) have developed new CT imaging protocols that include a reduction in scan range and modifying neck positioning using a head tilt. This study will evaluate the efficacy of this protocol in the reduction of lens dose. METHODS: We retrieved CT images of five male patients who had two sets of CT images: before and after the implementation of the new protocol...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28039719/cytomegalovirus-induces-interleukin-6-mediated-inflammatory-response-in-salivary-gland-cancer
#14
Milena Radunovic, Nada Tomanovic, Ivana Novakovic, Ivan Boricic, Sanja Milenkovic, Milovan Dimitrijevic, Sanja Radojevic-Skodric, Ljiljana Bogdanovic, Gordana Basta-Jovanovic
PURPOSE: The purpose of this study was to examine whether cytomegalovirus (CMV) is present in different histological types of salivary gland cancer (SGC) by detecting CMV immediate-early (IE) and early gene products, and to determine the presence of its association with the overexpression of interleukin (IL)-6. METHODS: Immunohistochemical analysis of 92 cases of different histological types of SGC was performed to determine the presence of IL-6 and CMV antigen and its intensity in tumor tissue...
November 2016: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28039063/encapsulation-of-primary-salivary-gland-cells-in-enzymatically-degradable-poly-ethylene-glycol-hydrogels-promotes-acinar-cell-characteristics
#15
Andrew D Shubin, Timothy J Felong, Brittany E Schutrum, Debria S L Joe, Catherine E Ovitt, Danielle S W Benoit
: Radiation therapy for head and neck cancers leads to permanent xerostomia due to the loss of secretory acinar cells in the salivary glands. Regenerative treatments utilizing primary submandibular gland (SMG) cells show modest improvements in salivary secretory function, but there is limited evidence of salivary gland regeneration. We have recently shown that poly(ethylene glycol) (PEG) hydrogels can support the survival and proliferation of SMG cells as multicellular spheres in vitro...
December 27, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/28028546/identification-and-characterization-of-novel-rat-polyomavirus-2-in-a-colony-of-x-scid-rats-by-p-pit-assay
#16
Lora H Rigatti, Tuna Toptan, Joseph T Newsome, Patrick S Moore, Yuan Chang
Polyomaviruses (PyVs) are known to infect a wide range of vertebrates and invertebrates and are associated with a broad spectrum of diseases, including cancers, particularly in immune-suppressed hosts. A novel polyomavirus, designated rat polyomavirus 2 (RatPyV2), was identified from a breeding colony of rats having X-linked severe combined immunodeficiency. Using a human panpolyomavirus immunohistochemistry test (P-PIT), RatPyV2 was initially detected in the parotid salivary gland of a colony member. Rolling circle amplification using DNA from harderian and parotid glands identified a novel 5...
November 2016: MSphere
https://www.readbyqxmd.com/read/28025110/hypomethylation-of-inflammatory-genes-cox2-egr1-and-socs3-and-increased-urinary-8-nitroguanine-in-arsenic-exposed-newborns-and-children
#17
Preeyaphan Phookphan, Panida Navasumrit, Somchamai Waraprasit, Jeerawan Promvijit, Krittinee Chaisatra, Thitirat Ngaotepprutaram, Mathuros Ruchirawat
Early-life exposure to arsenic increases risk of developing a variety of non-malignant and malignant diseases. Arsenic-induced carcinogenesis may be mediated through epigenetic mechanisms and pathways leading to inflammation. Our previous study reported that prenatal arsenic exposure leads to increased mRNA expression of several genes related to inflammation, including COX2, EGR1, and SOCS3. This study aimed to investigate the effects of arsenic exposure on promoter DNA methylation and mRNA expression of these inflammatory genes (COX2, EGR1, and SOCS3), as well as the generation of 8-nitroguanine, which is a mutagenic DNA lesion involved in inflammation-related carcinogenesis...
December 23, 2016: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28011997/do-salivary-bypass-tubes-lower-the-incidence-of-pharyngocutaneous-fistula-following-total-laryngectomy-a-retrospective-analysis-of-predictive-factors-using-multivariate-analysis
#18
Robert W A Hone, Eqramur Rahman, Gentle Wong, Yvette Annan, Victoria Alexander, Ali Al-Lami, Kiran Varadharajan, Michael Parker, Ricard Simo, Lisa Pitkin, Alasdair Mace, Enyinnaya Ofo, Alistair Balfour, Iain J Nixon
Salivary bypass tubes (SBT) are increasingly used to prevent pharyngocutaneous fistula (PCF) following laryngectomy and pharyngolaryngectomy. There is minimal evidence as to their efficacy and literature is limited. The aim of the study was to determine if SBT prevent PCF. The study was a multicentre retrospective case control series (level of evidence 3b). Patients who underwent laryngectomy or pharyngolaryngectomy for cancer or following cancer treatment between 2011 and 2014 were included in the study...
December 23, 2016: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28008389/immunohistochemical-expression-of-cd56-and-aldh1-in-common-salivary-gland-tumors
#19
Safoura Seifi, Maryam Seyedmajidi, Jahanshah Salehinejad, Hemmat Gholinia, Fatemeh Aliakbarpour
INTRODUCTION: Natural killer (NK) cells, of which CD56 is a specific marker, play an important role in host defense against tumors. Cancer stem cells, of which aldehyde dehydrogenase isoform 1 (ALDH1) is an immunohistochemical marker, are a group of tumorigenic cells which are involved in migration and tumor recurrences. We aimed to evaluate the expression of ALDH1 and CD56 in common salivary gland tumors, as well as their relationship with each other and with a number of clinicopathologic factors...
November 2016: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28006087/significant-and-durable-clinical-benefit-from-trastuzumab-in-2-patients-with-her2-amplified-salivary-gland-cancer-and-a-review-of-the-literature
#20
Lauren M Thorpe, Alexa B Schrock, Rachel L Erlich, Vincent A Miller, James Knost, Nguyet Le-Lindqwister, Srinivas Jujjavarapu, Siraj M Ali, Jane J Liu
BACKGROUND: Salivary ductal carcinoma and carcinoma ex pleomorphic adenoma (CEPA) are aggressive salivary gland cancers with poor prognosis. The standard of care is resection with or without radiotherapy, and there are no established systemic therapy options. METHODS: We describe 1 patient with metastatic CEPA and 1 patient with metastatic recurrent salivary duct carcinoma whose tumors were evaluated by comprehensive genomic profiling. Testing identified human epidermal growth factor receptor 2 (HER2) amplification in both patients, and an additional activating HER2 mutation in the CEPA case...
December 22, 2016: Head & Neck
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