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https://www.readbyqxmd.com/read/28532089/a-poly-2-hydroxyethyl-methacrylate-based-resin-improves-the-dentin-remineralizing-ability-of-calcium-silicates
#1
Paola Taddei, Carlo Prati, Maria Giovanna Gandolfi
Bioactive polymeric composites have received great attention for their capability to remineralize the dentin tissue. This study was aimed at evaluating if a poly(HEMA-co-TEGDMA) resin (HEMA: 2-hydroxyethyl methacrylate; TEGDMA: triethyleneglycol dimethacrylate) may increase the in vitro apatite forming ability of a calcium silicate cement (CaSi), in view of developing a hydrophilic light-curable composite bio-remineralizing restorative material (R-CaSi). To this purpose, the following experiments were carried out: (1) In vitro apatite forming ability of R-CaSi and CaSi was comparatively assessed by micro-Raman spectroscopy after immersion of the cement disks in Dulbecco's Phosphate Buffered Saline (DPBS) at 37°C for 1-28days; (2) Previously demineralized human dentin slices were soaked for 7days in close contact with the CaSi and R-CaSi cements as well as poly(HEMA), poly(TEGDMA) and poly(HEMA-co-TEGDMA), and then were comparatively analyzed by IR spectroscopy...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28532043/microarc-oxidation-discharge-types-and-bio-properties-of-the-coating-synthesized-on-zirconium
#2
Sezgin Cengiz, Yunus Azakli, Mehmet Tarakci, Lia Stanciu, Yucel Gencer
This study is an attempt for gaining a better understanding on relationship between microarc oxidation (MAO) coating discharge types and bioactivity of an oxide-based coating synthesized on a Zr substrate. The discharge types and the coating growth mechanism were identified by the examination of the real cross-section image of the coating microstructure. The coating was conducted by using MAO in an electrolyte containing Na2SiO3, Ca(CH3COO)2 and C3H7Na2O6P, for different durations of 2.5, 5, 15, and 30mins...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531891/dual-inhibition-of-egfr-and-vegf-in-heavily-pretreated-patients-with-metastatic-colorectal-cancer
#3
Finn Ole Larsen, Alice Markussen, Dorte Nielsen, Bonnie Colville-Ebeling, Lene B Riis, Benny V Jensen
OBJECTIVE: The aim of this study was to evaluate the efficacy and safety of combining irinotecan, bevacizumab, and cetuximab/panitumumab as a 4th-line treatment in patients with metastatic colorectal cancer. METHODS: All patients had KRAS wild-type metastatic colorectal cancer and had previously received fluoropyrimidine, oxaliplatin, irinotecan, and cetuximab/panitumumab in a 1st, 2nd, and 3rd line setting. Most patients had previously received bevacizumab as well...
May 23, 2017: Oncology
https://www.readbyqxmd.com/read/28531455/effect-of-serving-size-and-addition-of-sugar-on-the-glycemic-response-elicited-by-oatmeal-a-randomized-cross-over-study
#4
Thomas M S Wolever, B Jan-Willem van Klinken, Susan E Spruill, Alexandra L Jenkins, YiFang Chu, Laura Harkness
BACKGROUND & AIMS: We aimed to determine the impact of serving size and addition of sucrose on the glycemic response elicited by oatmeal. METHODS: We studied 38 healthy subjects (mean ± SD age 40 ± 12 yr, BMI 26.4 ± 3.6 kg/m(2)) on 8 separate days using a randomized, cross-over design. Capillary blood-glucose responses over 2hr after consuming 30, 40 and 60 g Classic Quaker Quick Oats (18, 24 and 36 g available-carbohydrate [avCHO], respectively) and 30 g Oats plus 9 g sucrose (27 g avCHO) were compared with those after avCHO-matched servings of Cream of Rice cereal (Control) (22, 29, 44 and 33 g cereal, respectively)...
December 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28531362/a-trial-of-oral-nifedipine-and-oral-labetalol-in-preeclampsia-hypertensive-emergency-treatment
#5
Jorge Duro-Gómez, Ana B Rodríguez-Marín, Mercedes Giménez de Azcárete, Lourdes Duro-Gómez, Claudio Hernández-Angeles, José E Arjona-Berral, Camil Castelo-Branco
This observational retrospective cohort study was conducted to compare oral nifedipine and labetalol for emergency treatment of hypertension in preeclamptic patients. Time (minutes) and necessary doses were outlined to achieve blood pressure lower than 150/95 mmHg. In 14 patients with preeclampsia, 55 hypertensive emergencies were identified (BP >150/95). Of these emergencies, 43 were treated with oral nifedipine 10 mg (10 patients) and 12 with oral labetalol 100 mg (4 patients). To achieve a target blood pressure under 150/95, these doses were repeated as necessary every 20 min, up to a maximum of 4 doses...
May 20, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28531280/effects-of-calorie-restriction-and-fiber-type-on-glucose-uptake-and-abundance-of-electron-transport-chain-and-oxidative-phosphorylation-proteins-in-single-fibers-from-old-rats
#6
Haiyan Wang, Edward B Arias, Carmen S Yu, Anthony R P Verkerke, Gregory D Cartee
Calorie restriction (CR; reducing calorie intake by ~40% below ad libitum) can increase glucose uptake by insulin-stimulated muscle. Because skeletal muscle is comprised of multiple, heterogeneous fiber types, our primary aim was to determine in 23-26 months-old rats the effects of CR (initiated at 14 weeks-old) and fiber type on insulin-stimulated glucose uptake by single fibers of diverse fiber types. Isolated epitrochlearis muscles from AL and CR rats were incubated with [3H]-2-deoxyglucose ±insulin. Glucose uptake and fiber type were determined for single fibers dissected from the muscles...
May 22, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28531263/in-vivo-dynamics-of-the-cortical-actin-network-revealed-by-fast-scanning-atomic-force-microscopy
#7
Yanshu Zhang, Aiko Yoshida, Nobuaki Sakai, Yoshitsugu Uekusa, Masahiro Kumeta, Shige H Yoshimura
Together with lamellipodia and stress fibers, a dynamic network of actin filaments in the cell cortex plays a major role in the maintenance of cell morphology and motility. In contrast to lamellipodia, which have been well studied in various motile cells, the dynamics of actin filaments in the cell cortex have not yet been clarified due to a lack of proper imaging techniques. Here, we utilized high-speed atomic force microscopy for live-cell imaging and analyzed cortical actin dynamics in living cells. We successfully measured the polymerization rate and the frequency of filament synthesis in living COS-7 cells, and examined the associated effects of various inhibitors and actin-binding proteins...
May 20, 2017: Microscopy
https://www.readbyqxmd.com/read/28531251/ca2-dependent-phosphoregulation-of-the-plasma-membrane-ca2-atpase-aca8-modulates-stimulus-induced-calcium-signatures
#8
Alex Costa, Laura Luoni, Claudia Adriana Marrano, Kenji Hashimoto, Philipp Köster, Sonia Giacometti, Maria Ida De Michelis, Jörg Kudla, Maria Cristina Bonza
Ca2+ signals are transient, hence, upon a stimulus-induced increase in cytosolic Ca2+ concentration, cells have to re-establish resting Ca2+ levels. Ca2+ extrusion is operated by a wealth of transporters, such as Ca2+ pumps and Ca2+/H+ antiporters, which often require a rise in Ca2+ concentration to be activated. Here, we report a regulatory fine-tuning mechanism of the Arabidopsis thaliana plasma membrane-localized Ca2+-ATPase isoform ACA8 that is mediated by calcineurin B-like protein (CBL) and CBL-interacting protein kinase (CIPK) complexes...
May 20, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28531238/education-on-organ-donation-and-transplantation-in-primary-school-teachers-support-and-the-first-results-of-a-teaching-module
#9
Marion J Siebelink, A A Eduard Verhagen, Petrie F Roodbol, Marcel J I J Albers, Harry B M Van de Wiel
Organ and tissue donation can also involve children. Because of its sensitivity, this topic requires careful decision making. Children have the ability to carefully reflect on this subject and enjoy participating in family discussions about it. Therefore, what children need is proper information. When schools are used to educate children about this subject, information about teacher support for this type of lesson along with its effects on the depth of family discussions is important. METHODS: A questionnaire was sent to all 7,542 primary schools in the Netherlands...
2017: PloS One
https://www.readbyqxmd.com/read/28530786/morphine-for-chronic-neuropathic-pain-in-adults
#10
REVIEW
Tess E Cooper, Junqiao Chen, Philip J Wiffen, Sheena Derry, Daniel B Carr, Dominic Aldington, Peter Cole, R Andrew Moore
BACKGROUND: Neuropathic pain, which is caused by a lesion or disease affecting the somatosensory system, may be central or peripheral in origin. Neuropathic pain often includes symptoms such as burning or shooting sensations, abnormal sensitivity to normally painless stimuli, or an increased sensitivity to normally painful stimuli. Neuropathic pain is a common symptom in many diseases of the nervous system. Opioid drugs, including morphine, are commonly used to treat neuropathic pain...
May 22, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28530674/fifteen-new-risk-loci-for-coronary-artery-disease-highlight-arterial-wall-specific-mechanisms
#11
Joanna M M Howson, Wei Zhao, Daniel R Barnes, Weang-Kee Ho, Robin Young, Dirk S Paul, Lindsay L Waite, Daniel F Freitag, Eric B Fauman, Elias L Salfati, Benjamin B Sun, John D Eicher, Andrew D Johnson, Wayne H H Sheu, Sune F Nielsen, Wei-Yu Lin, Praveen Surendran, Anders Malarstig, Jemma B Wilk, Anne Tybjærg-Hansen, Katrine L Rasmussen, Pia R Kamstrup, Panos Deloukas, Jeanette Erdmann, Sekar Kathiresan, Nilesh J Samani, Heribert Schunkert, Hugh Watkins, Ron Do, Daniel J Rader, Julie A Johnson, Stanley L Hazen, Arshed A Quyyumi, John A Spertus, Carl J Pepine, Nora Franceschini, Anne Justice, Alex P Reiner, Steven Buyske, Lucia A Hindorff, Cara L Carty, Kari E North, Charles Kooperberg, Eric Boerwinkle, Kristin Young, Mariaelisa Graff, Ulrike Peters, Devin Absher, Chao A Hsiung, Wen-Jane Lee, Kent D Taylor, Ying-Hsiang Chen, I-Te Lee, Xiuqing Guo, Ren-Hua Chung, Yi-Jen Hung, Jerome I Rotter, Jyh-Ming J Juang, Thomas Quertermous, Tzung-Dau Wang, Asif Rasheed, Philippe Frossard, Dewan S Alam, Abdulla Al Shafi Majumder, Emanuele Di Angelantonio, Rajiv Chowdhury, Yii-Der Ida Chen, Børge G Nordestgaard, Themistocles L Assimes, John Danesh, Adam S Butterworth, Danish Saleheen
Coronary artery disease (CAD) is a leading cause of morbidity and mortality worldwide. Although 58 genomic regions have been associated with CAD thus far, most of the heritability is unexplained, indicating that additional susceptibility loci await identification. An efficient discovery strategy may be larger-scale evaluation of promising associations suggested by genome-wide association studies (GWAS). Hence, we genotyped 56,309 participants using a targeted gene array derived from earlier GWAS results and performed meta-analysis of results with 194,427 participants previously genotyped, totaling 88,192 CAD cases and 162,544 controls...
May 22, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28530644/intestinal-fungi-contribute-to-development-of-alcoholic-liver-disease
#12
An-Ming Yang, Tatsuo Inamine, Katrin Hochrath, Peng Chen, Lirui Wang, Cristina Llorente, Sena Bluemel, Phillipp Hartmann, Jun Xu, Yukinori Koyama, Tatiana Kisseleva, Manolito G Torralba, Kelvin Moncera, Karen Beeri, Chien-Sheng Chen, Kim Freese, Claus Hellerbrand, Serene Ml Lee, Hal M Hoffman, Wajahat Z Mehal, Guadalupe Garcia-Tsao, Ece A Mutlu, Ali Keshavarzian, Gordon D Brown, Samuel B Ho, Ramon Bataller, Peter Stärkel, Derrick E Fouts, Bernd Schnabl
Chronic liver disease with cirrhosis is the 12th leading cause of death in the United States, and alcoholic liver disease accounts for approximately half of all cirrhosis deaths. Chronic alcohol consumption is associated with intestinal bacterial dysbiosis, yet we understand little about the contribution of intestinal fungi, or mycobiota, to alcoholic liver disease. Here we have demonstrated that chronic alcohol administration increases mycobiota populations and translocation of fungal β-glucan into systemic circulation in mice...
May 22, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28530559/meat-species-identification-by-two-direct-triplex-real-time-pcr-assays-using-low-resolution-melting
#13
Phuvadol Thanakiatkrai, Thitika Kitpipit
We developed and validated the first direct multiplex real-time PCR assay with melt curve analysis for the identification of different types of meat. The assay detects six commonly eaten meat species and provides the following benefits: ease of use, shortened analysis time, and decreased analysis cost. Species-specific primers were designed from cytochrome b, cytochrome oxidase I, and 16S rRNA genes to generate PCR products with specific melting peaks that differentiate pork, beef, horsemeat, duck meat, ostrich meat, and chicken...
October 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28530549/a-genetic-basis-for-molecular-asymmetry-at-vertebrate-electrical-synapses
#14
Adam C Miller, Alex C Whitebirch, Arish N Shah, Kurt C Marsden, Michael Granato, John O'Brien, Cecilia B Moens
Neural network function is based upon the patterns and types of connections made between neurons. Neuronal synapses are adhesions specialized for communication and they come in two types, chemical and electrical. Communication at chemical synapses occurs via neurotransmitter release whereas electrical synapses utilize gap junctions for direct ionic and metabolic coupling. Electrical synapses are often viewed as symmetrical structures, with the same components making both sides of the gap junction. By contrast, we show that a broad set of electrical synapses in zebrafish, Danio rerio, require two gap-junction-forming Connexins for formation and function...
May 22, 2017: ELife
https://www.readbyqxmd.com/read/28530546/the-role-of-qsar-and-virtual-screening-studies-in-type-2-diabetes-drug-discovery
#15
Simone Q Pantaleão, Drielli G V Fujji, Vinícius G Maltarollo, Danielle da C Silva, Gustavo H G Trossini, Karen C Weber, Luis P B Scott, Kathia M Honorio
BACKGROUND: Due to the increasing number of diabetes cases worldwide, there is an international concern to provide even more effective treatments to control this condition. METHODS: This review brings together a selection of studies that helped to broaden the comprehension of various biological targets and associated mechanisms involved in type 2 diabetes mellitus. RESULTS: Such studies demonstrated that QSAR techniques and virtual screenings have been successfully employed in drug design projects...
May 22, 2017: Medicinal Chemistry
https://www.readbyqxmd.com/read/28530527/health-care-costs-associated-with-addition-titration-and-switching-antihypertensive-medications-after-first-line-treatment-results-from-a-commercially-insured-sample
#16
Kalyani B Sonawane Deshmukh, Jingjing Qian, Kimberly B Garza, Bradley M Wright, Peng Zeng, Cecilia M Ganduglia Cazaban, Richard A Hansen
BACKGROUND: Treatment modifications are necessary for addressing issues related to efficacy and tolerance of first-line monotherapy, but they increase the economic burden on patients and their health plans. Understanding the differences in costs between alternative treatment modification strategies, if any, can serve as a guideline for clinical decision making and for designing cost-containment strategies. OBJECTIVE: To compare the health care utilization costs between (a) addition (i...
June 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28530520/cardiovascular-disease-and-gout-real-world-experience-evaluating-patient-characteristics-treatment-patterns-and-health-care-utilization
#17
Michael H Pillinger, Sripal Bangalore, Alyssa B Klein, Scott Baumgartner, Robert Morlock
BACKGROUND: Gout, hyperuricemia, and cardiovascular disease (CVD) are prevalent conditions in the United States, and while they share common risk factors such as obesity, hypertension, hypercholesterolemia, and type 2 diabetes mellitus, relatively little is known about what patient and disease characteristics may link CVD with hyperuricemia and gout and how the presence of both diseases affects management decisions differently than for patients with gout alone. OBJECTIVE: To identify differences in patient characteristics, patterns of urate-lowering therapy (ULT) use, and gout control in gout patients with and without cardiovascular comorbidity...
June 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28530501/palliative-care-for-advanced-heart-failure-in-a-department-of-veterans-affairs-regional-hospice-program-patient-selection-a-treatment-protocol-and-clinical-course
#18
George J Taylor, Dorothy M Lee, Catalin F Baicu, Michael R Zile
BACKGROUND: Palliative care for advanced heart failure (HF) is generally recommended. However, few reports have focused on the particulars of treatment, or the clinical course of HF on a specific treatment regimen. OBJECTIVE: Palliation adequate to allow patients to avoid HF admission and die at home. METHODS: Patients from a veterans administration regional practice with multiple, recent hospital admissions were enrolled in community hospice programs...
May 22, 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28530490/role-of-continuous-glucose-monitoring-in-clinical-trials-recommendations-on-reporting
#19
Oliver Schnell, Katharine Barnard, Richard Bergenstal, Emanuele Bosi, Satish Garg, Bruno Guerci, Thomas Haak, Irl B Hirsch, Linong Ji, Shashank R Joshi, Maarten Kamp, Lori Laffel, Mathieu Chantal, William H Polonsky, Frank Snoek, Philip Home
Thanks to significant improvements in the precision, accuracy, and usability of continuous glucose monitoring (CGM), its relevance in both ambulatory diabetes care and clinical research is increasing. In this study, we address the latter perspective and derive provisional reporting recommendations. CGM systems have been available since around the year 2000 and used primarily in people with type 1 diabetes. In contrast to self-measured glucose, CGM can provide continuous real-time measurement of glucose levels, alerts for hypoglycemia and hyperglycemia, and a detailed assessment of glycemic variability...
May 22, 2017: Diabetes Technology & Therapeutics
https://www.readbyqxmd.com/read/28530416/assessment-centers-versus-cognitive-ability-tests-challenging-the-conventional-wisdom-on-criterion-related-validity
#20
Paul R Sackett, Oren R Shewach, Heidi N Keiser
Separate meta-analyses of the cognitive ability and assessment center (AC) literatures report higher criterion-related validity for cognitive ability tests in predicting job performance. We instead focus on 17 samples in which both AC and ability scores are obtained for the same examinees and used to predict the same criterion. Thus, we control for differences in job type and in criteria that may have affected prior conclusions. In contrast to Schmidt and Hunter's (1998) meta-analysis, reporting mean validity of ...
May 22, 2017: Journal of Applied Psychology
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