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https://www.readbyqxmd.com/read/28108959/innovative-root-end-filling-materials-based-on-calcium-silicates-and-calcium-phosphates
#1
Ali Abedi-Amin, Arlinda Luzi, Massimo Giovarruscio, Gaetano Paolone, Atanaz Darvizeh, Victoria Vivó Agulló, Salvatore Sauro
This in vitro study evaluated the apical sealing ability, bioactivity and biocompatibility of an experimental calcium silicate-based and two light-curing calcium silicate/calcium-phosphate cements as potential root end filling materials. A calcium silicate Portland-based (Control PC), an experimental calcium silicate (Exp. PC) and two light-curing cements (LC-CaP; LC-Si/CaP) were assessed for their alkalinising activity (pH) and biocompatibility. Single-rooted human canines were endodontically treated, filled with gutta-percha and finally submitted to apicoectomy...
February 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28108545/bombesin-antagonist-based-radiotherapy-of-prostate-cancer-combined-with-wst-11-vascular-targeted-photodynamic-therapy
#2
Kwanghee Kim, Hanwen Zhang, Stephen LaRosa, Sylvia Jebiwott, Pooja Desai, Simon Y Kimm, Avigdor J Scherz, Joseph A O'Donoghue, Wolfgang A Weber, Jonathan Coleman
PURPOSE: DOTA-AR, a bombesin-antagonist peptide, has potential clinical application for targeted imaging and therapy in Gastrin Releasing Peptide receptor (GRPr) positive malignancies when conjugated with a radioisotope such as 90Y. This therapeutic potential is limited by the fast washout of the conjugates from the target tumors. WST-11 (Weizmann STeba-11 drug; a negatively charged water-soluble palladium-bacteriochlorophyll derivative, Tookad® Soluble) Vascular targeted photodynamic therapy (VTP) is a local ablation approach recently approved for use in early stage prostate cancer...
January 20, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28108381/metabolomic-study-of-the-intervention-effects-of-shuihonghuazi-formula-a-traditional-chinese-medicinal-formulae-on-hepatocellular-carcinoma-hcc-rats-using-performance-hplc-esi-tof-ms
#3
Yongrui Bao, Shuai Wang, Xinxin Yang, Li Tianjiao, Mingyue Xia, Xiansheng Meng
ETHNOPHARMACOLOGICAL RELEVANCE: Metabolomics is the comprehensive assessment of endogenous metabolites of a biological system in a holistic context, and its property consists with the global view of Traditional Chinese Medicine (TCM). Shuihonghuazi Formula (SHHZF) has been used for liver cancer early treatment in clinical for more than thirty years, but its mechanism remains unclear completely. This paper was designed to explore the therapeutic effects of SHHZF on liver cancer and its metabolomic characters...
January 17, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28107872/mir-21-targets-and-inhibits-tumor-suppressor-gene-pten-to-promote-prostate-cancer-cell-proliferation-and-invasion-an-experimental-study
#4
Yu Yang, Jia-Xiang Guo, Zhi-Qiang Shao
OBJECTIVE: To study whether miR-21 targets and inhibits tumor suppressor gene PTEN can promote prostate cancer cell proliferation and invasion. METHODS: Prostate cancer cell lines PC-3 were cultured and divided into negative control group (NC group), miR-21 group, pcDNA3.1 group, miR-21+pcDNA3.1 group and miR-21+PTEN group that were transfected with different miR and plasmid, respectively. After 12 h and 24 h of transfection, the cell viability and invasive cell number were determined; after 24 h of transfection, Bcl-2, Survivin, MMP2, MMP9, PTEN, PI3K, and AKT expression in cells were determined...
January 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28106689/review-of-patch-testing-for-evaluation-of-hypersensitivity-to-implanted-metal-devices-a-perspective-from-the-american-contact-dermatitis-society-by-schalock-pc-crawford-g-nedorost-s-scheinman-pl-atwater-ar-mowad-c-brod-b-ehrlich-a-watsky-kl-sasseville-d-silvestri
#5
https://www.readbyqxmd.com/read/28106313/controllable-remote-c-h-bond-functionalization-by-visible-light-photocatalysis
#6
Xiao-Qiang Hu, Jia-Rong Chen, Wen-Jing Xiao
Remote control: New strategies for the activation of remote C(sp(3) )-H bonds by photoredox-catalyzed (PC) radical translocation via O- and N-centered radicals have recently been described. These methods enable the controlled and site-selective functionalization of inert C(sp(3) )-H bonds and provide new opportunities for reaction design (HAT=hydrogen atom transfer).
January 20, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28106221/the-magnetoresistance-effect-in-a-conducting-molecular-crystal-consisting-of-dicyano-phthalocyaninato-manganese-iii
#7
Masaki Matsuda, Gosuke Yoshida, Jun-Ichi Yamaura, Tamotsu Inabe, Hiroyuki Tajima
A conducting molecular crystal TPP[Mn(III)(Pc)(CN)2]2 (Mn(III): d(4), S = 1, TPP = tetraphenylphosphonium and Pc = phthalocyanine) was fabricated. In its crystal structure, the [Mn(III)(Pc)(CN)2] units formed a one-dimensional regular chain along the c-axis with an overlap integral value of 8.6 × 10(-3). TPP[Mn(III)(Pc)(CN)2]2 showed a semiconducting behaviour that also has been observed for isostructural TPP[Co(III)(Pc)(CN)2]2 (Co(III): d(6), S = 0) and TPP[Fe(III)(Pc)(CN)2]2 (Fe(III): d(5), S = 1/2) whose ground states are charge-ordered states...
January 20, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28106137/ameliorative-effects-of-compound-k-and-ginsenoside-rh1-on-non-alcoholic-fatty-liver-disease-in-rats
#8
Xu-Jia Chen, Wen-Jing Liu, Meng-Liang Wen, Hong Liang, Shao-Mei Wu, Yun-Zhen Zhu, Jiang-Yuan Zhao, Xiang-Qian Dong, Ming-Gang Li, Li Bian, Cheng-Gang Zou, Lan-Qing Ma
Non-alcoholic fatty liver disease (NAFLD) is a common liver disease, which has no standard treatment available. Panax notoginseng saponines (PNS) have recently been reported to protect liver against hepatocyte injury induced by ethanol or high fat diet (HFD) in rats. Compound K and ginsenoside Rh1 are the main metabolites of PNS. In this study, we evaluated the effects of CK and Rh1 on NAFLD. Rats fed HFD showed significant elevations in liver function markers, lipids, glucose tolerance, and insulin resistance...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28105803/structural-characterization-of-phosphatidylcholines-using-193-nm-ultraviolet-photodissociation-mass-spectrometry
#9
Dustin R Klein, Jennifer S Brodbelt
Advances in mass spectrometry have made it a preferred tool for structural characterization of glycerophospholipids. However, collisional activation methods commonly implemented on commercial instruments do not provide fragmentation patterns that allow elucidation of certain structural features, including acyl chain positions on the glycerol backbone and double bond positions within acyl chains. In the present work, 193 nm ultraviolet photodissociation (UVPD) implemented on an orbitrap mass spectrometer is used to localize double bond positions within phosphatidylcholine (PC) acyl chains...
January 10, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28105537/procedures-and-recommended-times-in-the-care-process-of-the-patient-with-pancreatic-cancer-pan-time-consensus-between-scientific-societies
#10
R Vera, A Ferrández, C J Ferrer, C Flores, C Joaquín, S López, T Martín, E Martín, M Marzo, A Sarrión, E Vaquero, A Zapatero, J Aparicio
PURPOSE: Pancreatic cancer (PC) is a disease with bad prognosis. It is usually diagnosed at advanced stages and its treatment is complex. The aim of this consensus document was to provide recommendations by experts that would ameliorate PC diagnosis, reduce the time to treatment, and optimize PC management by interdisciplinary teams. METHODS: As a consensus method, we followed the modified Delphi methodology. A scientific committee of experts provided 40 statements that were submitted in two rounds to a panel of 87 specialists of 12 scientific societies...
January 19, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28104812/antibody-secreting-plasma-cells-persist-for-decades-in-human-intestine
#11
Ole J B Landsverk, Omri Snir, Raquel Bartolomé Casado, Lisa Richter, Jeff E Mold, Pedro Réu, Rune Horneland, Vemund Paulsen, Sheraz Yaqub, Einar Martin Aandahl, Ole M Øyen, Hildur Sif Thorarensen, Mehran Salehpour, Göran Possnert, Jonas Frisén, Ludvig M Sollid, Espen S Baekkevold, Frode L Jahnsen
Plasma cells (PCs) produce antibodies that mediate immunity after infection or vaccination. In contrast to PCs in the bone marrow, PCs in the gut have been considered short lived. In this study, we studied PC dynamics in the human small intestine by cell-turnover analysis in organ transplants and by retrospective cell birth dating measuring carbon-14 in genomic DNA. We identified three distinct PC subsets: a CD19(+) PC subset was dynamically exchanged, whereas of two CD19(-) PC subsets, CD45(+) PCs exhibited little and CD45(-) PCs no replacement and had a median age of 11 and 22 yr, respectively...
January 19, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28104441/pc-facs-for-march-2017
#12
Marilyn Herleth
No abstract text is available yet for this article.
January 16, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28104090/commentary-on-development-and-assessment-of-a-digital-x-ray-software-tool-to-determine-vertebral-rotation-in-adolescent-idiopathic-scoliosis
#13
Deeptee Jain, Sigurd Berven
Eijgenraam SM, Boselie TF, Sieben JM, Bastiaenen CH, Willems PC, Arts JJ, Lataster A. Spine J 2015;September 26. pii: S1529-9430(15)01449-7.
February 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28103719/pegylated-nanoliposomal-clusterin-for-amyloidogenic-light-chain-induced-endothelial-dysfunction
#14
Diana Guzman-Villanueva, Raymond Q Migrino, Seth Truran, Nina Karamanova, Daniel A Franco, Camelia Burciu, Subhadip Senapati, Dobrin Nedelkov, Parameswaran Hari, Volkmar Weissig
Light chain (AL) amyloidosis is a disease associated with significant morbidity and mortality arising from multi-organ injury induced by amyloidogenic light chain proteins (LC). There is no available treatment to reverse the toxicity of LC. We previously showed that chaperone glycoprotein clusterin (CLU) and nanoliposomes (NL), separately, restore human microvascular endothelial function impaired by LC. In this work, we aim to prepare PEGylated-nanoliposomal clusterin (NL-CLU) formulations that could allow combined benefit against LC while potentially enabling efficient delivery to microvascular tissue, and test efficacy on human arteriole endothelial function...
January 20, 2017: Journal of Liposome Research
https://www.readbyqxmd.com/read/28103535/down-regulation-of-histone-deacetylase-4-5-and-6-as-a-mechanism-of-synergistic-enhancement-of-apoptosis-in-human-lung-cancer-cells-treated-with-the-combination-of-a-synthetic-retinoid-am80-and-green-tea-catechin
#15
Yukiko Oya, Anupom Mondal, Anchalee Rawangkan, Sonthaya Umsumarng, Keisuke Iida, Tatsuro Watanabe, Miki Kanno, Kaori Suzuki, Zhenghao Li, Hiroyuki Kagechika, Koichi Shudo, Hirota Fujiki, Masami Suganuma
(-)-Epigallocatechin gallate (EGCG), a green tea catechin, acts as a synergist with various anticancer drugs, including retinoids. Am80 is a synthetic retinoid with a different structure from all-trans-retinoic acid: Am80 is now clinically utilized as a new drug for relapsed and intractable acute promyelocytic leukemia patients. Our experiments showed that the combination of EGCG and Am80 synergistically induced both apoptosis in human lung cancer cell line PC-9 and up-regulated expressions of growth arrest and DNA damage-inducible gene 153 (GADD153), death receptor 5, and p21(waf1) genes in the cells...
January 8, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28102996/revisions-to-rules-regarding-the-evaluation-of-medical-evidence-final-rules
#16
(no author information available yet)
We are revising our medical evidence rules. The revisions include redefining several key terms related to evidence, revising our rules about acceptable medical sources (AMS), revising how we consider and articulate our consideration of medical opinions and prior administrative medical findings, revising our rules about medical consultants (MC) and psychological consultants (PC), revising our rules about treating sources, and reorganizing our evidence regulations for ease of use. These revisions conform our rules to the requirements of the Bipartisan Budget Act of 2015 (BBA), reflect changes in the national healthcare workforce and in the manner that individuals receive medical care, and emphasize the need for objective medical evidence in disability and blindness claims...
18, 2017: Federal Register
https://www.readbyqxmd.com/read/28102507/-44-sc-psma-617-for-radiotheragnostics-in-tandem-with-177-lu-psma-617-preclinical-investigations-in-comparison-with-68-ga-psma-11-and-68-ga-psma-617
#17
Christoph A Umbricht, Martina Benešová, Raffaella M Schmid, Andreas Türler, Roger Schibli, Nicholas P van der Meulen, Cristina Müller
BACKGROUND: The targeting of the prostate-specific membrane antigen (PSMA) is of particular interest for radiotheragnostic purposes of prostate cancer. Radiolabeled PSMA-617, a 1,4,7,10-tetraazacyclododecane-N,N',N'',N'''-tetraacetic acid (DOTA)-functionalized PSMA ligand, revealed favorable kinetics with high tumor uptake, enabling its successful application for PET imaging ((68)Ga) and radionuclide therapy ((177)Lu) in the clinics. In this study, PSMA-617 was labeled with cyclotron-produced (44)Sc (T 1/2 = 4...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28102397/highly-exposed-fe-n4-active-sites-in-porous-poly-iron-phthalocyanine-based-oxygen-reduction-electrocatalyst-with-ultrahigh-performance-for-air-cathode
#18
Ganesan Anandhababu, Syed Comail Abbas, Jiangquan Lv, Kui Ding, Qin Liu, Dickson D Babu, Yiyin Huang, Jiafang Xie, Maoxiang Wu, Yaobing Wang
Progress in the development of efficient electrocatalysts for oxygen reduction reactions is imperative for various energy systems such as metal-air batteries and fuel cells. In this paper, an innovative porous two-dimensional (2D) poly-iron-phthalocyanine (PFe-Pc) based oxygen reduction electrocatalyst created with a simple solid-state chemical reaction without pyrolysis is reported. In this strategy, silicon dioxide nanoparticles play a pivotal role in preserving the Fe-N4 structure during the polymerization process and thereby assist in the development of a porous structure...
January 19, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28102287/crotalus-atrox-venom-preconditioning-increases-plasma-fibrinogen-and-reduces-perioperative-hemorrhage-in-a-rat-model-of-surgical-brain-injury
#19
Cherine H Kim, Devin W McBride, Ronak Raval, Prativa Sherchan, Karen L Hay, Eric C K Gren, Wayne Kelln, Tim Lekic, William K Hayes, Brian S Bull, Richard Applegate, Jiping Tang, John H Zhang
Perioperative bleeding is a potentially devastating complication in neurosurgical patients, and plasma fibrinogen concentration has been identified as a potential modifiable risk factor for perioperative bleeding. The aim of this study was to evaluate preconditioning with Crotalus atrox venom (Cv-PC) as potential preventive therapy for reducing perioperative hemorrhage in the rodent model of surgical brain injury (SBI). C. atrox venom contains snake venom metalloproteinases that cleave fibrinogen into fibrin split products without inducing clotting...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28101932/amino-acid-profiling-of-zinc-resistant-prostate-cancer-cell-lines-associations-with-cancer-progression
#20
Monika Kratochvilova, Martina Raudenska, Zbynek Heger, Lukas Richtera, Natalia Cernei, Vojtech Adam, Petr Babula, Marie Novakova, Michal Masarik, Jaromir Gumulec
BACKGROUND: Failure in intracellular zinc accumulation is a key process in prostate carcinogenesis. Nevertheless, epidemiological studies of zinc administration have provided contradicting results. In order to examine the impact of the artificial intracellular increase of zinc(II) ions on prostate cancer metabolism, PNT1A, 22Rv1, and PC-3 prostatic cell lines-depicting different stages of cancer progression-and their zinc-resistant counterparts were used. To determine "benign" and "malignant" metabolic profiles, amino acid patterns, gene expression, and antioxidant capacity of these cell lines were assessed...
January 19, 2017: Prostate
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