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https://www.readbyqxmd.com/read/28437334/a-new-fixation-technique-for-french-door-cervical-laminoplasty-surgical-results-with-a-minimum-follow-up-of-6-years
#1
Nanjundappa S Harshavardhana, Harshad V Dabke, Hossein Mehdian
DESIGN: A case series of 5 patients with multilevel cervical myelopathy treated by French-door cervical laminoplasty (FDCL) and use of unicortical iliac crest graft as spacer fixed with titanium miniplates and screws is described. OBJECTIVE: To report a minimum of 6-year follow-up results of our new plate-screw fixation technique for FDCL. SUMMARY OF BACKGROUND DATA: Hardware-assisted laminoplasty has the potential advantage of preventing restenosis by holding the laminar door "open" while healing progresses and also prevents spacer dislodgement...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28436251/sirolimus-coating-on-heparinized-stents-prevents-restenosis-and-thrombosis
#2
In-Ho Bae, Kyung Seob Lim, Dae Sung Park, Jae-Won Shim, So-Youn Lee, Eun-Jae Jang, Jun-Kyu Park, Ju-Han Kim, Myung Ho Jeong
The aim of this study was to evaluate the inhibitory effect of sirolimus coating on the occurrence of restenosis and thrombosis with heparinized stents. Heparin and dopamine were conjugated by chemical bonding and anchored on the stent surface by a mussel-inspired adhesion mechanism. Subsequently, sirolimus was coated with poly lactic-glycolic acid on the heparinized stent surface. The heparin was well attached to the surface, and the surface was smooth after sirolimus coating. The smoothness of the surface was maintained after expansion of the stent...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28432003/the-effectiveness-of-super-selective-injection-with-anchor-balloon-technique-for-collateral-channel-assessment
#3
Hiroki Shibutani, Yuzo Akita, Yumie Matsui, Masahiro Yoshinaga, Masahiro Karakawa, Etsuo Tsuchikane
The careful assessment of collateral channels is important for a retrograde approach for a chronic total coronary occlusion (CTO). This case report describes a percutaneous coronary intervention for CTO of the distal right coronary artery with good collateral circulation. All visible collateral channels failed by the retrograde approach; however, the procedure was successful using the distal atrial circumflex (AC) channel. Although this distal channel was poorly visualized on standard coronary angiography, it was clearly contrasted retrogradely from the CTO exit using a super-selective injection through the proximal AC channel as the antegrade flow was obstructed by the anchor balloon...
April 8, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28431634/multicenter-observational-study-of-abobotulinumtoxina-neurotoxin-in-cervical-dystonia-the-anchor-cd-registry
#4
Richard M Trosch, Alberto J Espay, Daniel Truong, Ramon Gil, Carlos Singer, Peter A LeWitt, Mark F Lew, Michele Tagliati, Charles H Adler, Jack J Chen, Dominic Marchese, Cynthia L Comella
BACKGROUND: The ANCHOR-CD prospective observational registry study evaluated the effectiveness of abobotulinumtoxinA in adult idiopathic cervical dystonia (CD) in clinical practice. METHODS: Adults with CD were eligible. Treating physicians determined abobotulinumtoxinA dose and treatment interval. The primary endpoint was patient response rate (Toronto Western Spasmodic Torticollis Rating Scale [TWSTRS] score reduction≥25% and Patient Global Impression of Change [PGIC] score of +2 or +3 at Week 4 of Cycle 1)...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28431407/prognositic-value-of-cd73-adenosinergic-pathway-in-solid-tumor-a-meta-analysis-and-systematic-review
#5
Rong Wang, Yingying Zhang, Xia Lin, Yalin Gao, Ying Zhu
CD73 is a glycosylphosphatidylinositol (GPI) anchored cell surface protein that is encoded by NT5E gene, plays multiple roles in tumor processes. Previous studies have presented a potential value of CD73 served as a detectable biomarker for prognosis of several solid tumors, but the results were more controversially. A comprehensive meta-analysis was conducted to precisely evaluate the prognostic role of CD73 in solid tumors. The included studies were searched in PubMed, Web of Science and EBSCO from Jan 1990 to Jan 2016...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28431329/stealth-recombinant-human-serum-albumin-nanoparticles-conjugating-5-fluorouracil-augmented-drug-delivery-and-cytotoxicity-in-human-colon-cancer-ht-29-cells
#6
Ankita Sharma, Amanpreet Kaur, Upendra Kumar Jain, Ramesh Chandra, Jitender Madan
BACKGROUND AND OBJECTIVE: 5-Fluorouracil (5-FU) is a first-line chemotherapeutic drug in colorectal cancer. However, intravenous administration of 5-FU at the dose of 7-12mg/kg exhibits curbs like short half-life (20min) and toxic side-effects on bone marrow cells. Therefore, in present investigation, 5-FU was conjugated to poly (ethylene glycol) anchored recombinant human serum albumin nanoparticles (5-FU-rHSA-PEG-NPs) to improve the pharmacokinetic and therapeutic profiles. METHODS AND RESULTS: The mean particle size of 5-FU-rHSA-NPs was measured to be 44...
April 12, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28431204/factors-that-affect-outcomes-of-prolapse-repair-using-single-incision-vaginal-mesh-procedures
#7
Hsiao-Yun Hsieh, Ching-Pei Tsai, Chih-Ku Liu, Pao-Sheng Shen, Yao-Ching Hung, Man-Jung Hung
AIMS: Single-incision vaginal mesh (SIVM) procedures for pelvic organ prolapse (POP) differed in mesh fabrication and implantation that may affect treatment outcomes. We aim to evaluate and compare the safety and effectiveness of two SIVM procedures, and explore factors that may have associations with surgical effectiveness. METHODS: Our data of using two SIVM procedures for a total (anterior and posterior) vaginal mesh repair were studied. Patients who had ≧stage 2 POP and underwent either Elevate (n = 85) using anchored, lightweight meshes or Prosima procedures (n = 95) using non-anchored, original meshes were assessed...
April 21, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28430907/food-intake-affects-sperm-egg-fusion-through-the-gip-psg17-axis-in-mice
#8
Tatsunori Shimizu, Takehiro Sato, Katsushi Tsukiyama, Hiroki Fujita, Shunsuke Kato, Manabu Hoizumi, Hiromitsu Shirasawa, Takuma Narita, Yukihiro Terada, Yutaka Seino, Yuichiro Yamada
In addition to overeating, starvation also reduces fecundity in mammals. However, little is known about the molecular mechanisms linking food intake to fertility, especially in males. Gastric inhibitory polypeptide (GIP), which is released from intestinal K-cells after meal ingestion, stimulates insulin secretion from pancreatic β-cells through the action of incretin and has several extra-pancreatic effects. Here, we identified GIP receptor (Gipr) expression in mouse spermatids. Microarray analysis revealed that pregnancy-specific glycoprotein 17 (Psg17), a potential CD9-binding partner, was significantly decreased in GIP receptor-knockout (Gipr-/-) testes...
April 19, 2017: Endocrinology
https://www.readbyqxmd.com/read/28429929/flexible-paper-like-free-standing-electrodes-by-anchoring-ultrafine-sns2-nanocrystals-on-graphene-nanoribbons-for-high-performance-sodium-ion-batteries
#9
Yang Liu, Yongzhen Yang, Xuzhen Wang, Yanfeng Dong, Yongchao Tang, Zhengfa Yu, Zongbin Zhao, Jieshan Qiu
Ultrafine SnS2 nanocrystals/reduced graphene oxide nanoribbon paper (SnS2/RGONRP) has been created by a well-designed process including in situ reduction, evaporation induced self-assembly and sulfuration. The as formed SnS2 nanocrystals possess an average diameter of 2.3 nm and disperse on the surface of RGONRs uniformly. The strong capillary force formed during evaporation leads to a compact assembly of RGONRs to give flexible paper structure with high density of 0.94 g cm-3. The as-prepared SnS2/RGONRP composite could be directly used as free-standing electrode for sodium ion batteries...
April 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28429793/attogram-mass-sensing-based-on-silicon-microbeam-resonators
#10
In-Bok Baek, Sangwon Byun, Bong Kuk Lee, Jin-Hwa Ryu, Yarkyeon Kim, Yong Sun Yoon, Won Ik Jang, Seongjae Lee, Han Young Yu
Using doubly-clamped silicon (Si) microbeam resonators, we demonstrate sub-attogram per Hertz (ag/Hz) mass sensitivity, which is extremely high sensitivity achieved by micro-scale MEMS mass sensors. We also characterize unusual buckling phenomena of the resonators. The thin-film based resonator is composed of a Si microbeam surrounded by silicon nitride (SiN) anchors, which significantly improve performance by providing fixation on the microbeam and stabilizing oscillating motion. Here, we introduce two fabrication techniques to further improve the mass sensitivity...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28427975/surgical-management-of-vertex-epidural-hematoma-technical-case-report-and-literature-review
#11
David T Fernandes-Cabral, Ali Kooshkabadi, Sandip S Panesar, Emrah Celtikci, Hamid Borghei-Razavi, Pinar Celtikci, Juan C Fernandez-Miranda
BACKGROUND: Vertex epidural hematoma (VEH) is an uncommon presentation of extra-axial hematomas. It can represent a surgical dilemma regarding when and how to operate, particularly considering the potential implication of the superior sagittal sinus (SSS). OBJECTIVE: Here, we illustrate the surgical technique for VEH as well as review of the existing literature. METHODS: A 60-year-old male sustained a ground level fall resulting in complete diastasis of the sagittal suture with underlying large VEH causing significant mass effect on the SSS and bi-hemispheric convexities...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427876/polar-n-terminal-residues-conserved-in-type-2-secretion-pseudopilins-determine-subunit-targeting-and-membrane-extraction-steps-during-fibre-assembly
#12
Javier Santos-Moreno, Alexandra East, Ingrid Guilvout, Nathalie Nadeau, Peter J Bond, Guy Tran Van Nhieu, Olivera Francetic
Bacterial type 2 secretion systems (T2SS), type 4 pili (T4P) and archaeal flagella assemble fibres from initially membrane-embedded pseudopilin and pilin subunits. Fibre subunits are made as precursors with positively charged N-terminal anchors, whose cleavage via the prepilin peptidase, essential for pilin membrane extraction and assembly, is followed by N-methylation of the mature (pseudo)pilin N-terminus. The conserved Glu residue at position 5 (E5) of mature (pseudo)pilins is essential for assembly. Unlike T4 pilins, where E5 residue substitutions also abolish N-methylation, the E5A variant of T2SS pseudopilin PulG remains N-methylated, but is affected in interaction with the T2SS component PulM...
April 17, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28426936/cholesterol-assisted-bacterial-cell-surface-engineering-for-photodynamic-inactivation-of-gram-positive-and-gram-negative-bacteria
#13
Hao-Ran Jia, Ya-Xuan Zhu, Zhan Chen, Fu-Gen Wu
Antibacterial photodynamic therapy (PDT) which enables effective killing of regular and multidrug-resistant (MDR) bacteria is a promising treatment modality for bacterial infection. However, because most photosensitizer (PS) molecules fail to strongly interact with the surface of Gram-negative bacteria, this technique is only suitable for treating Gram-positive bacterial infection, which largely hampers its practical applications. Herein, we revealed for the first time that cholesterol could significantly facilitate the hydrophobic binding of PSs to the bacterial surface, achieving the hydrophobic interaction-based bacterial cell surface engineering that could effectively photo-inactivate both Gram-negative and Gram-positive bacteria...
April 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28424646/duration-aftereffect-depends-on-the-duration-of-adaptation
#14
Baolin Li, Lijuan Xiao, Huazhan Yin, Peiduo Liu, Xiting Huang
It has been widely demonstrated that a prolonged adaptation to a relatively long or short stimulus leads to a robust repulsive duration aftereffect. However, little is known about the rapid adaptation to stimulus duration. In this study, we investigated whether the duration aftereffect could also be induced by short-term adaptation to stimuli of both sub- and supra-second durations. To control for the internal reference for duration judgment, participants were adapted to a stimulus of medium duration, and then tested with both longer and shorter stimuli...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28424368/spatial-intensity-distribution-analysis-quantifies-the-extent-and-regulation-of-homo-dimerization-of-the-secretin-receptor
#15
Richard J Ward, John D Pediani, Kaleeckal G Harikumar, Laurence J Miller, Graeme Milligan
Previous studies have indicated that the G protein-coupled secretin receptor is present as a homo-dimer, organized through symmetrical contacts in transmembrane domain IV, and that receptor dimerization is critical for high potency signalling by secretin. However, whether all of the receptor exists in the dimeric form or if this is regulated, is unclear. We used measures of quantal brightness of the secretin receptor tagged with monomeric enhanced green fluorescent protein (mEGFP) and Spatial Intensity Distribution Analysis to assess this...
April 19, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28418640/artificially-smart-vesicles-with-superior-structural-stability-fabrication-characterizations-and-transmembrane-traffic
#16
Wen-Jian Zhang, Chun-Yan Hong, Cai-Yuan Pan
Intelligent vesicles are fabricated at up to 30% solid content via an approach of polymerization-induced self-assembly and reorganization (PISR). Upon irradiation with UV light (365 nm), light-triggered dimerization of the coumarin moieties anchored in the membrane leads to the membrane cross-linking of the vesicles, which endows the vesicles with superior structural stability. Due to the tertiary amine groups in the membrane, the vesicles go through a swelling/deswelling change upon switching the pH values...
April 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28417502/a-quinonoid-imine-enriched-nanostructured-polymer-mediator-for-lithium-sulfur-batteries
#17
Chen-Yu Chen, Hong-Jie Peng, Ting-Zheng Hou, Pei-Yan Zhai, Bo-Quan Li, Cheng Tang, Wancheng Zhu, Jia-Qi Huang, Qiang Zhang
The reversible formation of chemical bonds has potential for tuning multi-electron redox reactions in emerging energy-storage applications, such as lithium-sulfur batteries. The dissolution of polysulfide intermediates, however, results in severe shuttle effect and sluggish electrochemical kinetics. In this study, quinonoid imine is proposed to anchor polysulfides and to facilitate the formation of Li2 S2 /Li2 S through the reversible chemical transition between protonated state (NH(+) ) and deprotonated state (N)...
April 18, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28415964/quantitative-trait-locus-analysis-of-heterosis-for-plant-height-and-ear-height-in-an-elite-maize-hybrid-zhengdan-958-by-design-iii
#18
Hongjian Li, Qingsong Yang, Nannan Fan, Ming Zhang, Huijie Zhai, Zhongfu Ni, Yirong Zhang
BACKGROUND: Plant height (PH) and ear height (EH) are two important agronomic traits in maize selection breeding. F1 hybrid exhibit significant heterosis for PH and EH as compared to their parental inbred lines. To understand the genetic basis of heterosis controlling PH and EH, we conducted quantitative trait locus (QTL) analysis using a recombinant inbreed line (RIL) based design III population derived from the elite maize hybrid Zhengdan 958 in five environments. RESULTS: A total of 14 environmentally stable QTLs were identified, and the number of QTLs for Z1 and Z2 populations was six and eight, respectively...
April 17, 2017: BMC Genetics
https://www.readbyqxmd.com/read/28414088/embryonic-vascular-disruption-adverse-outcomes-linking-high-throughput-signaling-signatures-with-functional-consequences
#19
Robert G Ellis-Hutchings, Raja S Settivari, Alene T McCoy, Nicole Kleinstreuer, Jill Franzosa, Thomas B Knudsen, Edward W Carney
Embryonic vascular disruption is an important adverse outcome pathway (AOP) as chemical disruption of cardiovascular development induces broad prenatal defects. High-throughput screening (HTS) assays aid AOP development although linking in vitro data to in vivo apical endpoints remains challenging. This study evaluated two anti-angiogenic agents, 5HPP-33 and TNP-470, across the ToxCastDB HTS assay platform and anchored the results to complex in vitro functional assays: the rat aortic explant assay (AEA), rat whole embryo culture (WEC), and the zebrafish embryotoxicity (ZET) assay...
April 13, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28409887/a-blue-diketopyrrolopyrrole-sensitizer-with-high-efficiency-in-nio-based-dye-sensitized-solar-cells
#20
Fabrice Odobel, Yoann Farre, Mahfoudh Raissi, Arnaud Fihey, Yann Pellegrin, Errol Blart, Denis Jacquemin
We have prepared a series of four new diketopyrrolopyrroles (DPPs) based sensitizers that exhibit high molar extinction coefficients, extended absorption into the long wavelengths and well suited photoredox properties to act as sensitizers in p-DSSCs. These new DPP dyes, composed of a thienyl DPP core, are substituted on one end either by a thiophene carboxylic (Th) or a 4,4'-((phenyl)aza)dibenzoic acid as anchoring group and, on the other extremity, either by a proton or a naphthalene diimide (NDI) moiety...
April 14, 2017: ChemSusChem
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