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https://www.readbyqxmd.com/read/28446006/trending-speculations-of-tumor-initiating-cells-in-squamous-cell-cancers-of-head-and-neck
#1
REVIEW
Wasim Kamate, Rajendra Baad, Nupura Vibhute, Uzma Belgaumi, Vidya Kadashetti, Sushma Gugwad
Tumor-initiating cells are a diminutive subpopulation of stem cells that have ability of long term self-renewal and generation of varied traits of tumor cell population. Understanding the concept of tumor-initiating cells may have a great implicative intimation for our comprehension of cancer pathobiology and for the delineation of new therapies directed towards these stem cells. The present review is an endeavor to conceptualize the role of tumor-initiating cells in the Squamous Cell Cancers (SCC) of head and neck, their role in tumorigenesis and the possible supplementary approach in the latest treatment modalities...
April 30, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/28445947/characteristics-and-comparison-of-colorectal-cancer-incidence-in-beijing-with-other-regions-in-the-world
#2
Zhongmin Li, Lei Yang, Changzheng Du, Xuedong Fang, Ning Wang, Jin Gu
BACKGROUND: Population-based epidemiologic studies about colorectal cancer are lacking in China. This study aims to provide a basis for colorectal cancer screening and prevention, through analysis and comparisons the characteristics of the trends in colorectal cancer incidence in Beijing and selected representative regions. RESULTS: The annual incidence rate in Beijing region increased significantly, from 9.40/100,000 in 1998 to 18.61/100,000 in 2012. The stratified rate showed that the incidence of distal colon adenocarcinoma increased substantially in men, especially in those aged > 75 years and residing in urban areas...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445827/scale-effect-on-spatial-patterns-of-ecosystem-services-and-associations-among-them-in-semi-arid-area-a-case-study-in-ningxia-hui-autonomous-region-china
#3
Shuna Xu, Yanfang Liu, Xia Wang, Guangxia Zhang
Identifying scale effect on spatial patterns of ecosystem services and associations among them has been recognized as critical to the sustainable management of ecosystem services. We proposed a method to conveniently integrate ecosystem services of small scale into different larger scales. Taking Ningxia Hui Autonomous Region in west China as an example, we analyzed the change regularity of spatial patterns of 7 ecosystem services under 22 different scales. Further, the tradeoffs and synergies among ecosystem services across all scales were compared...
April 23, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28445792/vitamin-d-supplementation-restores-the-blunted-muscle-protein-synthesis-response-in-deficient-old-rats-through-an-impact-on-ectopic-fat-deposition
#4
Audrey Chanet, Jérôme Salles, Christelle Guillet, Christophe Giraudet, Alexandre Berry, Véronique Patrac, Carla Domingues-Faria, Camille Tagliaferri, Katia Bouton, Justine Bertrand-Michel, Miriam Van Dijk, Marion Jourdan, Yvette Luiking, Sjors Verlaan, Corinne Pouyet, Philippe Denis, Yves Boirie, Stéphane Walrand
We investigated the impact of vitamin D deficiency and repletion on muscle anabolism in old rats. Animals were fed a control (1 IU vitamin D3/g, ctrl, n=20) or a vitamin D-depleted diet (VDD; 0 IU, n=30) for 6 months. A subset was thereafter sacrificed in the control (ctrl6) and depleted groups (VDD6). Remaining control animals were kept for 3 additional months on the same diet (ctrl9), while a part of VDD rats continued on a depleted diet (VDD9) and another part was supplemented with vitamin D (5 IU, VDS9)...
April 8, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28445513/dietary-patterns-and-all-cause-cancer-and-cardiovascular-disease-mortality-in-japanese-men-and-women-the-japan-public-health-center-based-prospective-study
#5
Akiko Nanri, Tetsuya Mizoue, Taichi Shimazu, Junko Ishihara, Ribeka Takachi, Mitsuhiko Noda, Hiroyasu Iso, Shizuka Sasazuki, Norie Sawada, Shoichiro Tsugane
OBJECTIVE: A meta-analysis showed an inverse association of a prudent/healthy dietary pattern with all-cause mortality and no association of a western/unhealthy dietary pattern. However, the association of distinctive dietary patterns of Japanese population with mortality remains unclear. We prospectively investigated the association between dietary patterns and all-cause, cancer, and cardiovascular disease mortality among Japanese adults. METHODS: Participants were 36,737 men and 44,983 women aged 45-74 years who participated in the second survey of the Japan Public Health Center-based Prospective Study (1995-1998) and who had no history of serious disease...
2017: PloS One
https://www.readbyqxmd.com/read/28445473/how-to-plan-reintroductions-of-long-lived-birds
#6
Virginia Morandini, Miguel Ferrer
Reintroductions have been increasingly used for species restoration and it seems that this conservation tool is going to be more used in the future. Nevertheless, there is not a clear consensus about the better procedure for that, consequently a better knowledge of how to optimize this kind of management is needed. Here we examined the dynamics of released long-lived bird populations (lesser kestrel, Falco naumanni, Bonelli's eagle Aquila fasciata, and bearded vulture Gypaetus barbatus) in object-oriented simulated reintroduction programs...
2017: PloS One
https://www.readbyqxmd.com/read/28445283/association-between-plasma-homocysteine-concentration-and-the-risk-of-all-cause-death-in-adults-with-diastolic-dysfunction-in-a-community-a-13-year-cohort-study
#7
Jing-Ling Luo, Kuo-Liong Chien, Hsiung-Ching Hsu, Ta-Chen Su, Hung-Ju Lin, Pei-Chun Chen, Ming-Fong Chen, Yuan-Teh Lee
Hyperhomocysteinemia (HHCYS) has been associated with systolic heart failure. However, it is still unknown that serum homocycsteine level was useful in predicting the outcome in patients with diastolic dysfunction. We conducted a cohort study to determine if HHCYS was associated with poor prognosis in diastolic dysfunction patients. The Chin-Shan Community Cardiovascular Cohort (CCCC) study was designated to investigate the trends of cardiovascular morbidity and mortality in a community. Individuals who were 35 years and above were enrolled...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445235/recent-trends-in-the-epidemiology-of-hepatocellular-carcinoma-in-olmsted-county-minnesota-a-us-population-based-study
#8
Ju Dong Yang, Hager Ahmed Mohammed, William S Harmsen, Felicity Enders, Gregory J Gores, Lewis R Roberts
BACKGROUND/AIM: The epidemiology of hepatocellular carcinoma (HCC) has changed in the United States recently. The aim of this study is to evaluate the recent trends of HCC epidemiology in Olmsted County, MN. METHODS: Residents aged over 20 with newly diagnosed HCC were identified using the Rochester Epidemiology Project database. Clinical information was compared among patients diagnosed between 2000 and 2009 (era 1) and 2010 to 2014 (era 2). RESULTS: Over 1...
April 25, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28445227/a-review-of-player-monitoring-approaches-in-basketball-current-trends-and-future-directions
#9
Jordan L Fox, Aaron T Scanlan, Robert Stanton
Effective monitoring of players in team-sports such as basketball requires an understanding of the external demands and internal responses as they relate to training phases and competition. Monitoring of external demands and internal responses allows coaching staff to determine the dose-response associated with the imposed training load, and subsequently, if players are adequately prepared for competition. This review discusses measures reported in the literature for monitoring the external demands and internal responses of basketball players during training and competition...
April 18, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28445109/distinct-prevalence-of-drug-resistant-tuberculosis-in-gansu-china-a-retrospective-study-on-drug-susceptibility-profiles-between-2010-and-2014
#10
XingFang Li, Lei Wang, Yanling Tan, Jun Hou, Jianjun Ma
Limited knowledge is available on regional distribution of antituberculosis (TB) drug resistance and on province-specific time-trends in TB drug susceptibility in China. To obtain the latest information about the dynamics of drug-resistant TB in Gansu province, we conducted a retrospective study and analyzed data on drug resistance among new TB cases diagnosed between June 2010 and May 2014 in Gansu, China. The data were collected from the only TB surveillance and treatment hospital in Gansu and, therefore, represented the epidemiology of TB in the province...
April 26, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28445067/photoelectrochemical-degradation-of-organic-compounds-coupled-with-molecular-hydrogen-generation-using-electrochromic-tio2-nanotube-arrays
#11
Min Seok Koo, Kangwoo Cho, Jeyong Yoon, Wonyong Choi
Vertically aligned TiO2 nanotube arrays (TNTs) were prepared by electrochemical anodization, and then cathodically polarized with dark blue coloration for the dual-functional photoelectrochemical water treatment of organic substrates degradation and accompanying H2 generation. The resulting Blue-TNTs (inner diameter: ~40 nm; length: ~9 μm) showed negligible shift in X-ray diffraction pattern compared with the intact TNTs, but the X-ray photoelectron spectra indicated a partial reduction of Ti(4+) to Ti(3+) on the surface...
April 26, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28445043/assembly-of-effective-halide-receptors-from-components-comparing-hydrogen-halogen-and-tetrel-bonds
#12
Steve Scheiner
Receptors for halide anions are constructed based on the imidazolium unit, and then replacing the H-bonding C-H group first by halogen-bonding C-I and then by tetrel-bonding C-SnH3 and C-SiF3. Attaching a phenyl ring to any of these species has little effect on its ability to bind a halide, but incorporation of a second imidazolium to the benzene connector, forming a bidentate dicationic receptor, greatly enhances the binding. Addition of electron-withdrawing F atoms to each imidazolium adds a further increment...
April 26, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28445004/cftr-dependent-chloride-efflux-in-cystic-fibrosis-mononuclear-cells-is-increased-by-ivacaftor-therapy
#13
Lorenzo Guerra, Susanna D'Oria, Maria Favia, Stefano Castellani, Teresa Santostasi, Angela M Polizzi, Maria A Mariggiò, Crescenzio Gallo, Valeria Casavola, Pasqualina Montemurro, Giuseppina Leonetti, Antonio Manca, Massimo Conese
AIM: The Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) potentiator ivacaftor (Kalydeco®) improves clinical outcome in G551D cystic fibrosis (CF) patients. Here, we have investigated whether ivacaftor has a clinical impact on non-G551D gating mutations and function of circulating leukocytes as well. METHODS: Seven patients were treated with ivacaftor and evaluated at baseline, and at 1-3 and 6 months. Besides clinical and systemic inflammatory parameters, circulating mononuclear cells (MNC) were evaluated for CFTR-dependent chloride efflux by spectrofluorimetry, neutrophils for oxidative burst by cytofluorimetry and HVCN1 mRNA expression by real time PCR...
April 26, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28444979/false-negative-single-antigen-bead-assay-is-it-always-an-effect-of-prozone
#14
Dharmendra Jain, Jui Choudhuri, Rajni Chauhan, Pranav Dorwal, Deepak Sharma, Aseem K Tiwari, Vimarsh Raina
BACKGROUND: Bead based flow cytometry and Luminex play a major role in identification of alloantibodies in renal transplant work-up. Strong sensitization events may lead to prozone phenomenon that can affect single antigen bead (SAB) assay and result in false negativity. However, this can also be due to high titer of other blocking antibodies. While methods like, heat inactivation, C1 inhibitor, Ethylene diamine tetra-acetic-acid and Dithio threitol treatment can remove interfering antibodies of complement and IgM, these methods are not optimal if false negativity is due to prozone effect, which is high titer of antibodies alone...
April 26, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28444907/plant-reproduction-is-altered-by-simulated-herbicide-drift-to-constructed-plant-communities
#15
David Olszyk, Thomas Pfleeger, Tamotsu Shiroyama, Matthew Blakeley-Smith, E Henry Lee, Milton Plocher
Herbicide drift may have unintended impacts on native vegetation, adversely affecting individual species and plant communities. To determine potential ecological effects of herbicide drift, small plant community plots were constructed using nine perennial species found in different Willamette Valley Oregon grassland habitats. Studies were conducted at two Oregon State University farms in two separate years, with single and combined treatments of 0.01 to 0.2 x field application rates (f.a.r.) of 1119 g ha(-1) for glyphosate [active ingredient (a...
April 26, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28444902/trajectory-of-social-inequalities-in-the-treatment-of-dental-caries-among-preschool-children-in-japan
#16
Jun Aida, Yusuke Matsuyama, Takahiro Tabuchi, Yuko Komazaki, Toru Tsuboya, Tsuguhiko Kato, Ken Osaka, Takeo Fujiwara
OBJECTIVES: The longitudinal trend of dental health inequalities among preschool children has not been described. In this study, we aimed to measure the trajectory of both relative and absolute inequalities in caries treatment among preschool children in Japan. METHODS: We used data from the Longitudinal Survey of Babies in the 21st Century (LSB21), which is an ongoing national representative longitudinal study. The target population was families residing in Japan with newborn baby/babies born between 10 January and 17 January or 10 July and 17 July 2001...
April 26, 2017: Community Dentistry and Oral Epidemiology
https://www.readbyqxmd.com/read/28444872/saving-costs-through-a-coordinated-care-model-for-patients-with-hepatocellular-cancer
#17
Tsai-Wing Ow, Lucy Ralton, Edmund Tse
BACKGROUND: In keeping with recent trends, patients with hepatocellular cancer have had their care managed by a dedicated Nurse Coordinator at our tertiary Australian hospital since 2010. To date, there is little data to justify the cost-effectiveness of this approach. AIMS: The aim of this study is to quantify the potential cost saved through the employment of a Nurse Coordinator into the management of patients with hepatocellular carcinoma at a single tertiary-level Australian hospital...
April 26, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28444861/lncrna-malat1-is-dysregulated-in-diabetic-nephropathy-and-involved-in-high-glucose-induced-podocyte-injury-via-its-interplay-with-%C3%AE-catenin
#18
Mengsi Hu, Rong Wang, Xiaobing Li, Minghua Fan, Jiangong Lin, Junhui Zhen, Liqun Chen, Zhimei Lv
Metastasis associated lung adenocarcinoma transcript 1(MALAT1) is a long non-coding RNA, broadly expressed in mammalian tissues including kidney and up-regulated in a variety of cancer cells. To date, its functions in podocytes are largely unknown. β-catenin is a key mediator in the canonical and non-canonical Wnt signalling pathway; its aberrant expression promotes podocyte malfunction and albuminuria, and contributes to kidney fibrosis. In this study, we found that MALAT1 levels were increased in kidney cortices from C57BL/6 mice with streptozocin (STZ)-induced diabetic nephropathy, and dynamically regulated in cultured mouse podocytes stimulated with high glucose, which showed a trend from rise to decline...
April 26, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28444829/disparities-in-hiv-1-transmitted-drug-resistance-detected-by-ultradeep-sequencing-between-men-who-have-sex-with-men-and-heterosexual-populations
#19
E Todesco, C Charpentier, M Bertine, M Wirden, A Storto, N Desire, M Grude, T Nguyen, S Sayon, Y Yazdanpanah, C Katlama, D Descamps, V Calvez, A G Marcelin
OBJECTIVES: Transmitted drug resistance (TDR) can impair the response to first-line antiretroviral therapy. In treatment-naïve patients chronically infected with HIV type 1 (HIV-1), it was previously shown through Sanger sequencing that TDR was more common in men who have sex with men (MSM) than in other transmission risk groups. We aimed to compare two HIV-1 transmission groups in terms of the presence of TDR mutations. METHODS: We investigated, through Sanger sequencing and ultradeep sequencing (UDS), the presence of resistance mutations, both in majority (> 20%) and in minority (1-20%) proportions, in 70 treatment-naïve MSM and 70 treatment-naïve heterosexual patients who recently screened positive for HIV-1...
April 26, 2017: HIV Medicine
https://www.readbyqxmd.com/read/28444818/reduced-community-viral-load-does-not-coincide-with-a-reduction-in-the-rate-of-new-hiv-diagnoses-and-recent-infections-data-from-a-region-of-southern-italy
#20
L Monno, A Saracino, L Scudeller, C Santoro, G Brindicci, G Punzi, A Lagioia, S Lo Caputo, G Angarano
OBJECTIVES: We assessed whether changes in community viral load (CVL) over time were associated with the rate of new HIV diagnoses (NDs). METHODS: HIV-1-positive individuals referred to our institute and permanently residing in our province were considered for inclusion in the study. A total of 861 HIV-infected adults with at least one HIV RNA measurement (12 530 measurements in total) between 2008 and 2014 were included. Viraemia copy-years were calculated from all HIV RNA values for each patient using the trapezoidal rule; multiple CVL indicators were considered...
April 26, 2017: HIV Medicine
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