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https://www.readbyqxmd.com/read/28805710/analysis-of-the-pathogenic-factors-and-management-of-dry-eye-in-ocular-surface-disorders
#1
REVIEW
Marcella Nebbioso, Paola Del Regno, Magda Gharbiya, Marta Sacchetti, Rocco Plateroti, Alessandro Lambiase
The tear film represents the interface between the eye and the environment. The alteration of the delicate balance that regulates the secretion and distribution of the tear film determines the dry eye (DE) syndrome. Despite having a multifactorial origin, the main risk factors are female gender and advanced age. Likewise, morphological changes in several glands and in the chemical composition of their secretions, such as proteins, mucins, lipidics, aqueous tears, and salinity, are highly relevant factors that maintain a steady ocular surface...
August 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28804560/mechanisms-of-mir-145-regulating-invasion-and-metastasis-of-ovarian-carcinoma
#2
Ling Wang, Xiaotong Wu, Bowei Wang, Qiang Wang, Liying Han
MicroRNA-145 (miR-145) can regulate tumor cell invasion, metastasis, apoptosis, proliferation and stem cell differentiation. However, the molecular mechanisms of miR-145 used to regulate ovarian invasion and metastasis remain to be determined. In this study, Transwell cell migration and wound healing assays were used to detect the effects of miR-145 upregulation on ovarian carcinoma cell invasion and metastasis, respectively. The MUC1 expression vector, together with quantitative real-time PCR and Western blotting, was used to investigate the effects of miR-145 on E-cadherin (E-cad)-induced cell invasion and the related molecular mechanisms...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28804555/imp3-is-upregulated-in-primary-ovarian-mucinous-carcinoma-and-promotes-tumor-progression
#3
Qin Zhu, Yuqing Qu, Qiongyan Zhang, Linghui Lu, Weiwei Weng, Hao Zhang, Lihong Zhang, Yan Ning, Yiqin Wang
OBJECTIVE: Primary ovarian mucinous tumors progress from benign adenoma to borderline tumors to invasive mucinous carcinoma. A proper differential diagnosis is crucial to discriminate malignancies at the early stages of disease. However, few biomarkers are clinically available. We designed this study to analyze the clinical application of the oncogene IMP3 in monitoring early malignancies in ovarian primary mucinous tumors. METHODS: We collected 250 samples of ovarian primary mucinous tumors along with the corresponding clinicopathological information between 2009 and 2015 at the Gynecology and Obstetrics Hospital of Fudan University and performed immunochemical assays...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28803352/breast-cancer-in-elderly-women-and-altered-clinico-pathological-characteristics-a-systematic-review
#4
REVIEW
M Lodi, L Scheer, N Reix, D Heitz, A-J Carin, N Thiébaut, K Neuberger, C Tomasetto, C Mathelin
PURPOSE: Breast cancer is the most common malignancy in women in terms of incidence and mortality. Age is undoubtedly the biggest breast cancer risk factor. In this study we examined clinical, histological, and biological characteristics and mortality of breast cancer in elderly women along with their changes with advancing age. METHODS: We reviewed 63 original articles published between 2006 and 2016 concerning women over 70 years with breast cancer. RESULTS: Compared to patients 70-79 years, patients aged 80 and over had larger tumor size with fewer T1 (42...
August 12, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28802865/interleukin-13-interleukin-4-receptor-pathway-is-crucial-for-production-of-sd-a-sialomucin-in-mouse-small-intestinal-mucosa-by-nippostrongylus-brasiliensis-infection
#5
Daigo Tsubokawa, Kenji Ishiwata, Yukinobu Goso, Takeshi Nakamura, Takeshi Hatta, Kazuhiko Ishihara, Hirotaka Kanuka, Naotoshi Tsuji
Mucin is a major component of mucus in gastrointestinal mucosa. Increase of specific sialomucins having Sd(a) blood group antigen, NeuAcα2-3(GalNAcβ1-4)Galβ1-4GlcNAcβ-, is considered to be associated with expulsion of the parasitic intestinal nematode Nippostrongylus brasiliensis. In this study, we examined the relationship between interleukin (IL)-13 pathway and expression of Sd(a)-sialomucins in small intestinal mucosa with N. brasiliensis infection. Nematode infection induced marked increases in small intestinal mucins that reacted with anti-Sd(a) antibody in wild type (wt) mice...
August 9, 2017: Parasitology International
https://www.readbyqxmd.com/read/28802775/catastrophic-antiphospholipid-syndrome-caps-induced-ischemic-pancreatic-ducts-injury-mimicking-intraductal-papillary-mucinous-neoplasm-ipmn
#6
Léa Savey, Jean-Charles Piette, Jérome Bellanger, Laurent Palazzo, Zahir Amoura, Alain Sauvanet, Jean-François Pouget-Abadie, Philippe Sogni, Joseph Emmerich, Nathalie Costedoat-Chalumeau
OBJECTIVES: Catastrophic antiphospholipid syndrome (CAPS) is a life-threatening disease characterized by multiple small-vessel occlusions of rapid onset. Ischemic pancreatic duct lesions secondary to CAPS have never been reported. METHODS: We describe 4 patients who presented lesions suspected to be intraductal papillary mucinous neoplasm (IPMN) of the pancreas following a CAPS. RESULTS: All patients had a history of CAPS months or years before the IPMN diagnosis...
July 10, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28802565/the-safety-and-efficacy-of-an-alcohol-free-pancreatic-cyst-ablation-protocol
#7
Matthew T Moyer, Setareh Sharzehi, Abraham Mathew, John M Levenick, Brandy D Headlee, Jonathan T Blandford, Heather D Heisey, James H Birkholz, Brooke B Ancrile, Jennifer L Maranki, Niraj J Gusani, Thomas J McGarrity, Charles E Dye
BACKGROUND & AIMS: Endoscopic ultrasound (EUS)-guided chemoablation with ethanol lavage followed by infusion of paclitaxel, is effective for the treatment of mucinous pancreatic cysts. However, complications arise in 3%-10% of patients, presumably linked to the inflammatory effects of ethanol. We aimed to determine whether alcohol is required for effective pancreatic cyst ablation, if removing alcohol from the ablation process would improve complication rates, and whether a multi-agent chemotherapeutic cocktail could increase the rate of complete cyst resolution compared to the findings reported from previous trials using alcohol followed by paclitaxel alone...
August 9, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28802502/cutaneous-sweat-gland-carcinomas-with-basaloid-differentiation-an-update-with-emphasis-on-differential-diagnoses
#8
REVIEW
Katharina Flux, Thomas Brenn
This article focuses on primary cutaneous sweat gland carcinomas with basaloid differentiation, including cribriform apocrine carcinoma, endocrine mucin-producing sweat gland carcinoma, mucinous carcinoma, adenoid cystic carcinoma, spiradenocarcinoma, and digital papillary adenocarcinoma. These tumors are rare and pose a significant diagnostic challenge. Their clinical presentation is nonspecific and there is significant overlap of their histologic features. Confident diagnosis is necessary because their clinical behavior ranges from indolent, nonrecurring, nonmetastasizing tumors to those with potential for disseminated disease and mortality...
September 2017: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/28802224/speciation-of-the-trivalent-f-elements-eu-iii-and-cm-iii-in-digestive-media
#9
Claudia Wilke, Astrid Barkleit, Thorsten Stumpf, Atsushi Ikeda-Ohno
In case radioactive materials are released into the environment, their incorporation into our digestive system would be a significant concern. Trivalent f-elements, i.e., trivalent actinides and lanthanides, could potentially represent a serious health risk due to their chemo- and radiotoxicity, nevertheless the biochemical behavior of these elements are mostly unknown even to date. This study, therefore, focuses on the chemical speciation of trivalent f-elements in the human gastrointestinal tract. To simulate the digestive system artificial digestive juices (saliva, gastric juice, pancreatic juice and bile fluid) were prepared...
August 4, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28801818/-branch-duct-intraductal-papillary-mucinous-neoplasm-surgical-approach
#10
REVIEW
J Kaiser, M W Büchler, T Hackert
Due to increasing precision of modern imaging modalities, intraductal papillary mucinous neoplasms (IPMN) of the pancreas are found with increasing prevalence. Despite their malignant potential IPMN are often kept under surveillance and are not immediately resected. The 2012 International Consensus Guidelines of Fukuoka have been widely accepted for the management of IPMN. They recommend surgical resection for branch duct IPMN with "high risk stigmata", while branch duct IPMN with "worrisome features" should undergo observation without immediate resection...
August 11, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28801754/expression-profiling-of-tas2r-genes-reveals-a-complex-pattern-along-the-mouse-gi-tract-and-the-presence-of-tas2r131-in-a-subset-of-intestinal-paneth-cells
#11
Simone Prandi, Anja Voigt, Wolfgang Meyerhof, Maik Behrens
The chemical variability of the intestinal lumen requires the presence of molecular receptors detecting the various substances naturally occurring in the diet and as a result of the activity of the microbiota. Despite their early discovery, intestinal bitter taste receptors (Tas2r) have not yet been assigned an unambiguous physiological function. Recently, using a CRE-recombinant approach we showed that the Tas2r131 gene is expressed in a subset of mucin-producing goblet cells in the colon of mice. Moreover, we also demonstrated that the expression of the Tas2r131 locus is not restricted to this region...
August 11, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28801508/intricate-and-cell-type-specific-populations-of-endogenous-circular-dna-eccdna-in-caenorhabditis-elegans-and-homo-sapiens
#12
Massa J Shoura, Idan Gabdank, Loren Hansen, Jason Merker, Jason Gotlib, Stephen D Levene, Andrew Z Fire
Investigations aimed at defining the 3-D configuration of eukaryotic chromosomes have consistently encountered an endogenous population of chromosome-derived circular genomic DNA, referred to as extrachromosomal circular DNA (eccDNA). While the production, distribution, and activities of eccDNAs remain understudied, eccDNA formation from specific regions of the linear genome has profound consequences on the regulatory and coding capabilities for these regions. Here, we define eccDNA distributions in C. elegans and in three human cell types, utilizing a set of DNA-topology dependent approaches for enrichment and characterization...
August 11, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28800609/the-trypomastigote-small-surface-antigen-tssa-regulates-trypanosoma-cruzi-infectivity-and-differentiation
#13
María de Los Milagros Cámara, Gaspar E Cánepa, Andrés B Lantos, Virginia Balouz, Hai Yu, Xi Chen, Oscar Campetella, Juan Mucci, Carlos A Buscaglia
BACKGROUND: TSSA (Trypomastigote Small Surface Antigen) is an antigenic, adhesion molecule displayed on the surface of Trypanosoma cruzi trypomastigotes. TSSA displays substantial sequence identity to members of the TcMUC gene family, which code for the trypomastigote mucins (tGPI-mucins). In addition, TSSA bears sequence polymorphisms among parasite strains; and two TSSA variants expressed as recombinant molecules (termed TSSA-CL and TSSA-Sy) were shown to exhibit contrasting features in their host cell binding and signaling properties...
August 11, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28799130/near-set-based-mucin-segmentation-in-histopathology-images-for-detecting-mucinous-carcinoma
#14
Soma Banerjee, Monjoy Saha, Indu Arun, Bijan Basak, Sanjit Agarwal, Rosina Ahmed, Sanjoy Chatterjee, Lipi B Mahanta, Chandan Chakraborty
This paper introducesnear-set based segmentation method for extraction and quantification of mucin regions for detecting mucinouscarcinoma (MC which is a sub type of Invasive ductal carcinoma (IDC)). From histology point of view, the presence of mucin is one of the indicators for detection of this carcinoma. In order to detect MC, the proposed method majorly includes pre-processing by colour correction, colour transformation followed by near-set based segmentation and post-processing for delineating only mucin regions from the histological images at 40×...
August 10, 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28796659/eosinophilic-cells-autoimplants-degree-of-cellular-proliferation-and-adenofibroma-pattern-are-important-histologic-findings-in-ovarian-borderline-tumors
#15
Georgia Karpathiou, Melany Venet, Celine Chauleur, Fressia Honeyman, Francois Casteillo, Michel Peoc'h
Ovarian borderline tumors can show histologic features, such as different degrees of cellular proliferation, eosinophilic cells, autoimplants, and adenofibromatous architecture, the importance of which is not known. The aim of the study was to describe these features and correlate them with clinical characteristics. Eighty-three ovarian borderline tumors were studied for the aforementioned features. These were correlated with clinicopathologic features. Epithelial proliferation was associated with the T stage in serous tumors (P=0...
September 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28795606/hydrogen-rich-saline-inhibits-tobacco-smoke-induced-chronic-obstructive-pulmonary-disease-by-alleviating-airway-inflammation-and-mucus-hypersecretion-in-rats
#16
Zibing Liu, Wenye Geng, Chuanwei Jiang, Shujun Zhao, Yong Liu, Ying Zhang, Shucun Qin, Chenxu Li, Xinfang Zhang, Yanhong Si
Chronic obstructive pulmonary disease induced by tobacco smoke has been regarded as a great health problem worldwide. The purpose of this study is to evaluate the protective effect of hydrogen-rich saline, a novel antioxidant, on chronic obstructive pulmonary disease and explore the underlying mechanism. Sprague-Dawley rats were made chronic obstructive pulmonary disease models via tobacco smoke exposure for 12 weeks and the rats were treated with 10 ml/kg hydrogen-rich saline intraperitoneally during the last 4 weeks...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28794044/nidovirus-associated-proliferative-pneumonia-in-the-green-tree-python-morelia-viridis
#17
Eva Dervas, Jussi Hepojoki, Andrea Laimbacher, Fernando Romero-Palomo, Christine Jelinek, Saskia Keller, Teemu Smura, Satu Hepojoki, Anja Kipar, Udo Hetzel
In 2014 we observed a noticeable increase in sudden deaths of green tree pythons (Morelia viridis). Pathological examination revealed accumulation of mucoid material within airways and lung, associated with enlargement of the entire lung. We performed full necropsy and histological examination on 12 affected green tree pythons from 7 different breeders to characterise the pathogenesis of this "mucinous" pneumonia. By histology we could show a marked hyperplasia of the airway epithelium and of faveolar type II pneumocytes...
August 9, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28794006/identification-of-the-sox2-interactome-by-bioid-reveals-ep300-as-a-mediator-of-sox2-dependent-squamous-differentiation-and-lung-squamous-cell-carcinoma-growth
#18
Bo Ram Kim, Etienne Coyaud, Estelle Laurent, Jonathan St-Germain, Emily Van de Laar, Ming Sound Tsao, Brian Raught, Nadeem Moghal
Lung cancer is the leading cause of cancer mortality worldwide, with squamous cell carcinoma (SQCC) being the second most common form. SQCCs are thought to originate in bronchial basal cells through an injury response to smoking, which results in this stem cell population committing to hyperplastic squamous rather than mucinous and ciliated fates. Copy number gains in SOX2 in the region of 3q26-28 occur in 94% of SQCCs, and appear to act both early and late in disease progression by stabilizing the initial squamous injury response in stem cells and promoting growth of invasive carcinoma...
August 9, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28791995/-morphological-and-immunohistochemical-features-of-severe-gastric-dysplasia-and-early-gastric-cancer
#19
L M Mikhaleva, A E Biryukov
AIM: to investigate the morphological and immunohistochemical features of severe gastric dysplasia (SGD) and early gastric cancer (EGC). MATERIAL AND METHODS: The fragments of gastric tumor tissue with adjacent mucosal portions from 50 patients aged from 34 to 79 years (mean age 63.8 years), which had been removed during organ-sparing endoscopic surgery, were histologically, histochemical, and immunohistochemically (IHC) examined. RESULTS: In EGC, there was a preponderance of intestinal-type cancer; the adjacent mucosal areas showed foci of SGD and colonic metaplasia in 100%...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28791695/use-of-antidepressants-and-risk-of-epithelial-ovarian-cancer
#20
Lina S Mørch, Christian Dehlendorff, Louise Baandrup, Søren Friis, Susanne K Kjaer
Antidepressants are widely prescribed among women to treat depression and anxiety disorders, but studies of their effects on gynecological cancer risk are sparse. We assessed associations between various antidepressants and risk of epithelial ovarian cancer. By using Danish nationwide registers, we identified all women (cases) aged 30 to 84 years with incident epithelial (serous, endometrioid, clear cell or mucinous) ovarian cancer during 2000-2011 (n= 4,103) and matched each case to 20 population controls (n=58,706) by risk-set matching...
August 9, 2017: International Journal of Cancer. Journal International du Cancer
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