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https://www.readbyqxmd.com/read/29314494/dysregulation-of-rab5-mediated-endocytic-pathways-in-alzheimer-s-disease
#1
REVIEW
Wei Xu, Fang Fang, Jianqing Ding, Chengbiao Wu
Increasing evidence has pointed to that dysregulation of the endo-lysosomal system is an early cellular phenotype of pathogenesis for Alzheimer's disease (AD). Rab5, a small GTPase, plays a critical role in mediating these processes. Abnormal overactivation of Rab5 has been observed in post-mortem brain samples of Alzheimer's patients as well as brain samples of mouse models of AD. Recent genome-wide association studies of Alzheimer's disease have identified RIN3 (Ras and Rab Interactor 3) as a novel risk factor for the disease...
January 3, 2018: Traffic
https://www.readbyqxmd.com/read/29306627/favourable-outcomes-of-endovascular-total-aortic-arch-repair-via-needle-based-in-situ-fenestration-at-a-mean-follow-up-of-5-4%C3%A2-months
#2
Tao Shang, Lu Tian, Dong-Lin Li, Zi-Heng Wu, Hong-Kun Zhang
OBJECTIVES: Endovascular repair of aortic arch pathologies remains challenging. Recently, needle based in situ fenestration (ISF) has shown great potential in endovascular total aortic arch repair (ETAAR). This study aimed to evaluate the feasibility, effectiveness, and safety of ETAAR via needle based ISF, and to present initial experience with this technique. DESIGN AND METHODS: Patients who met the inclusion criteria were enrolled in this prospective study. The supra-arch branches were manually punctured in a retrograde manner using liver biopsy needles (18 gauge/30 cm) in the left common carotid artery (LCCA) and brachiocephalic trunk (BCT), and endo-puncture system or aspiration biopsy needles (21-gauge) in the left subclavian artery (LSA)...
January 3, 2018: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29302739/comparison-of-endo-cut-mode-and-forced-coag-mode-for-the-formation-of-stricture-after-esophageal-endoscopic-submucosal-dissection-in-an-in-vivo-porcine-model
#3
Masamichi Arao, Ryu Ishihara, Yusuke Tonai, Taro Iwatsubo, Satoki Shichijyo, Noriko Matsuura, Hiroko Nakahira, Sachiko Yamamoto, Yoji Takeuchi, Koji Higashino, Noriya Uedo, Shinichi Nakatsuka
BACKGROUND AND STUDY AIM: Stricture is a major complication of esophageal endoscopic submucosal dissection (ESD) for superficial esophageal carcinoma. To date, various methods have been developed to prevent stricture. However, the mechanism by which different electrosurgical unit (ESU) modes affect the formation of post-ESD stricture has not been evaluated. This study aimed to compare the degree of stricture caused by two major ESU modes (ENDO CUT mode and FORCED COAG mode) in a porcine model...
January 4, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29302283/smear-layer-removal-evaluation-of-different-protocol-of-bio-race-file-and-xp-endo-finisher-file-in-corporation-with-edta-17-and-naocl
#4
Vahid Zand, Hadi Mokhtari, Mohammad-Frough Reyhani, Neda Nahavandizadeh, Shahram Azimi
Background: The aim of the present study was to compare the amount of the smear layer remaining in prepared root canals with different protocols of Bio RaCe files and XP-endo Finisher file (XPF) in association with 17% EDTA and sodium hypochlorite solution. Material and Methods: A total of 68 extracted single-rooted teeth were randomly divided into 4 experimental groups (n=14) and two control groups (n=6). The root canals were prepared with Bio RaCe files (FKG Dentaire, Switzerland) using the crown-down technique based on manufacturer's instructions and irrigated according to the following irrigation techniques: Group 1: XPF with 2 mL of 2...
November 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29279500/hepatic-angiomyolipoma-staining-in-the-post-vascular-phase-of-contrast-enhanced-ultrasound-due-to-the-presence-of-macrophages
#5
Kei Endo, Hidekatsu Kuroda, Keisuke Kakisaka, Takayoshi Oikawa, Kei Sawara, Kazuyuki Ishida, Tamotsu Sugai, Yasuhiro Takikawa
A 47-year-old Japanese man was referred to hospital after the detection of a liver tumor. Dynamic computed tomography and Gd-EOB-DTPA-enhanced magnetic resonance imaging were consistent with a diagnosis of hepatocellular carcinoma (HCC). No perfusion defect was observed in the post-vascular phase of contrast-enhanced ultrasound (CEUS). Histopathological staining of the tumor cells was positive for antibodies against HMB-45 and CD68, confirming the diagnosis of hepatic angiomyolipoma (HAML). These findings indicated the presence of macrophages in HAML...
December 27, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29275006/altered-myofilament-structure-and-function-in-dogs-with-duchenne-muscular-dystrophy-cardiomyopathy
#6
Younss Ait Mou, Alain Lacampagne, Thomas Irving, Valérie Scheuermann, Stéphane Blot, Bijan Ghaleh, Pieter P de Tombe, Olivier Cazorla
AIM: Duchenne Muscular Dystrophy (DMD) is associated with progressive depressed left ventricular (LV) function. However, DMD effects on myofilament structure and function are poorly understood. Golden Retriever Muscular Dystrophy (GRMD) is a dog model of DMD recapitulating the human form of DMD. OBJECTIVE: The objective of this study is to evaluate myofilament structure and function alterations in GRMD model with spontaneous cardiac failure. METHODS AND RESULTS: We have employed synchrotron X-rays diffraction to evaluate myofilament lattice spacing at various sarcomere lengths (SL) on permeabilized LV myocardium...
December 21, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29274841/preoperative-risk-score-and-prediction-of-long-term-outcomes-after-hepatectomy-for-intrahepatic-cholangiocarcinoma
#7
Kazunari Sasaki, Georgios A Margonis, Nikolaos Andreatos, Fabio Bagante, Matthew Weiss, Carlotta Barbon, Irinel Popescu, Hugo P Marques, Luca Aldrighetti, Shishir K Maithel, Carlo Pulitano, Todd W Bauer, Feng Shen, George A Poultsides, Oliver Soubrane, Guillaume Martel, B Groot Koerkamp, Alfredo Guglielmi, Endo Itaru, Federico N Aucejo, Timothy M Pawlik
BACKGROUND: Accurate prediction of prognosis for patients with intrahepatic cholangiocarcinoma(ICC) remains a challenge. We sought to define a preoperative risk tool to predict long-term survival following resection of ICC. METHODS: Patients who underwent hepatectomy for ICC at one of 16 major hepatobilliary centers between 1990-2015 were identified. Clinico-pathological data were analyzed and a prognostic model was developed based on the regression beta-coefficients on data in training set...
December 21, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/29273492/micro-computed-tomographic-evaluation-of-the-shaping-ability-of-xp-endo-shaper-irace-and-edgefile-systems-in-long-oval-shaped-canals
#8
Marco A Versiani, Kleber K T Carvalho, Jardel F Mazzi-Chaves, Manoel D Sousa-Neto
INTRODUCTION: This study evaluated the shaping ability of the XP-endo Shaper (FKG Dentaire SA, La Chaux-de-Fonds, Switzerland), iRaCe (FKG Dentaire SA), and EdgeFile (EdgeEndo, Albuquerque, NM) systems using micro-computed tomographic (micro-CT) technology. METHODS: Thirty long oval-shaped canals from mandibular incisors were matched anatomically using micro-CT scanning (SkyScan1174v2; Bruker-microCT, Kontich, Belgium) and distributed into 3 groups (n = 10) according to the canal preparation protocol (ie, XP-endo Shaper, iRaCe, and EdgeFile systems)...
December 19, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29250246/leaks-after-left-atrial-appendage-ligation-with-lariat-device-incidence-pathophysiology-clinical-implications-and-methods-of-closure-a-case-based-discussion
#9
Bharath Yarlagadda, Valay Parikh, Tawseef Dar, Dhanunjaya Lakkireddy
Catheter based left atrial appendage (LAA) closure techniques are emerging as a promising alternative for stroke prevention in patients who cannot tolerate oral anticoagulation. Lariat procedure involves percutaneous catheter based epicardial ligation of the LAA with a suture via an endo-epicardial hybrid approach. It offers the advantage of not leaving behind a focus for thrombus formation or embolization. Similar to surgical ligation of the left atrial appendage, Lariat ligation is limited by leaks in a small percentage of patients...
October 2017: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/29249737/evidence-of-pulmonary-vascular-reverse-remodeling-after-pulmonary-artery-banding-performed-in-early-infancy-in-patients-with-congenital-heart-defects
#10
Naoki Masaki, Yuriko Saiki, Masato Endo, Kay Maeda, Osamu Adachi, Masatoshi Akiyama, Shunsuke Kawamoto, Yoshikatsu Saiki
BACKGROUND: Histomorphometric evidence of the effect of pulmonary artery banding (PAB) in infancy on pulmonary vascular reverse remodeling has not been fully described.Methods and Results:We retrospectively reviewed 34 patients who underwent serial lung biopsies before and after PAB.Index of pulmonary vascular disease (IPVD) as a measure of the degree of progression of pulmonary arteriopathy significantly decreased after PAB (1.22±0.25 at 1st and 1.13±0.21 at 2nd biopsy, P=0.04)...
December 16, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29249365/comparative-study-of-ipsilesional-and-contralesional-repetitive-transcranial-magnetic-stimulations-for-acute-infarction
#11
Kosuke Watanabe, Yosuke Kudo, Eriko Sugawara, Tomoki Nakamizo, Kazumitsu Amari, Koji Takahashi, Osamu Tanaka, Miho Endo, Yuko Hayakawa, Ken Johkura
BACKGROUND AND PURPOSE: Repetitive transcranial magnetic stimulation (rTMS) is reported to improve chronic post-stoke hemiparesis. However, application of rTMS during the acute phase of post-stroke has not fully been investigated. We investigated the safety and the efficacy of intermittent theta-burst stimulation (iTBS) of the affected motor cortex and 1-Hz stimulation of the unaffected hemisphere during the acute phase in patients with hemiparesis due to capsular infarction. METHODS: Twenty one patients who met the study criteria were randomly assigned to receive, starting within 7days after stroke onset and for a period of 10days, iTBS of the affected motor cortex hand area (n=8), 1-Hz stimulation of the unaffected motor cortex hand area (n=7), or sham stimulation (n=6)...
January 15, 2018: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/29234079/a-genetic-screen-to-discover-sumoylated-proteins-in-living-mammalian-cells
#12
Maki Komiya, Akihiro Ito, Mizuki Endo, Daisuke Hiruma, Mitsuru Hattori, Hisato Saitoh, Minoru Yoshida, Takeaki Ozawa
Post-translational modification by the Small Ubiquitin-related Modifier (SUMO) is indispensable for diverse biological mechanisms. Although various attempts have been made to discover novel SUMO substrate proteins to unveil the roles of SUMOylation, the reversibility of SUMOylation, and the differences in the SUMOylation level still makes it difficult to explore infrequently-SUMOylated proteins in mammalian cells. Here, we developed a method to screen for mammalian SUMOylated proteins using the reconstitution of split fluorescent protein fragments in living mammalian cells...
December 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29231610/-application-time-point-and-effect-observation-of-fire-needling-therapy-in-ivf-et
#13
Ruonan Wu, Yinping Wang
OBJECTIVE: To observe the effects of the intervention with fire needling therapy on the uterine microenvironment at the specific time points of menstrual cycle and evaluate the effects on the assisted reproduction. METHODS: Sixty-eight patients of in vitro fertilization and embryo transplantation (IVF-ET) were randomized into an observation group (35 cases) and a control group (33 cases). The patients in the two groups all received post-IVF-ET corpus luteum support of the microstimulation scheme in the Clinical Reproduction Center of Jiangsu People's Hospital...
May 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29217945/a-3-year-review-of-the-outcome-of-pars-plana-vitrectomy-for-dropped-lens-fragments-after-cataract-surgery-in-a-tertiary-eye-hospital-in-dhaka-bangladesh
#14
Lateefat Olokoba, Tajul Islam, Nazmun Nahar, Abdulraheem Mahmoud, Abdulfatai Olokoba
Background: Dropped lens fragments into the vitreous are uncommon, but potentially sight threatening complications of cataract surgery. The recommended approach for removal of dropped lens matter is pars plana vitrectomy with or without ultrasonic emulsification with the fragmatome. This study aimed to determine the visual outcome following pars plana vitrectomy for dropped lens fragments complicating cataract surgery at 6 weeks, 3 months and 6 months. Methods: This study is a retrospective review of patients who had PPV as treatment for dropped lens fragments complicating cataract surgery at Ispahani Islamia Eye hospital and Institute...
July 2017: Ethiopian Journal of Health Sciences
https://www.readbyqxmd.com/read/29210641/dynamic-localization-of-hepatocellular-transporters-role-in-biliary-excretion-and-impairment-in-cholestasis
#15
Marcelo Gabriel Roma, Ismael R Barosso, Gisel S Miszczuk, Fernando A Crocenzi, Enrique J Sanchez Pozzi
Bile flow generation is driven by the vectorial transfer of osmotically active compounds from sinusoidal blood into a confined space, the bile canaliculus. Hence, localization of hepatocellular transporters relevant to bile formation is crucial for bile secretion. Hepatocellular transporters are localized either in the plasma membrane or in recycling endosomes, from where they can be relocated to the plasma membrane on demand, or endocytosed when the demand decreases. The balance between endocytic internalization/exocytic targeting to/from this recycling compartment is therefore the main determinant of the hepatic capability to generate bile, and to dispose endo- and xenobiotics...
December 5, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29203235/sensibility-and-specificity-of-laser-speckle-contrast-imaging-according-to-endo-pat-index-in-type-1-diabetes
#16
Alessandra S de M Matheus, Maria de Fátima Bevilacqua da Matta, Eliete Leão Silva Clemente, Maria de Lourdes Guimarães Rodrigues, Débora Cristina Torres Valença, Marília B Gomes
OBJECTIVES: To find out an normality value for microvascular response (physiological and pharmacological) assessed through laser speckle contrast imaging (LSCI) based on Endo-PAT, which identifies the ones with Endothelial Dysfunction (ED) in patients with Type 1 Diabetes (T1D). METHODS: Patients with T1D, aged ≥12years underwent a clinical-epidemiological questionnaire. Fasting blood samples were obtained (lipid profile, glycemic control and levels of C-reactive protein)...
December 1, 2017: Microvascular Research
https://www.readbyqxmd.com/read/29203073/effect-of-the-glide-path-establishment-on-the-torque-generation-to-the-files-during-instrumentation-an-in%C3%A2-vitro-measurement
#17
Sang Won Kwak, Jung-Hong Ha, Gary Shun-Pan Cheung, Hyeon-Cheol Kim, Sung Kyo Kim
INTRODUCTION: The purpose of this study was to compare in vitro torque generation during instrumentation with or without glide path establishment. METHODS: Endo-training resin blocks with J-shaped canals were randomly divided into 2 groups according to glide path establishment (with or without) and subdivided into 2 subgroups with shaping instruments (WaveOne [Dentsply Maillefer, Ballaigues, Switzerland] or WaveOne Gold [Dentsply Maillefer]) (n = 15). For the glide path-established group, the glide path was prepared using ProGlider (Dentsply Maillefer)...
December 1, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29195181/one-pot-synthesis-of-ph-responsive-charge-switchable-pegylated-nanoscale-coordination-polymers-for-improved-cancer-therapy
#18
Yu Yang, Ligeng Xu, Wenjun Zhu, Liangzhu Feng, Jingjing Liu, Qian Chen, Ziliang Dong, Jiayue Zhao, Zhuang Liu, Meiwan Chen
Nanoscale coordination polymers (NCPs) are promising nanomedicine platforms featured with biodegradability and versatile functionalities. However, multi-step post-synthesis surface modification is usually required to functionalize as-made NCPs before their biomedical applications. Moreover, efforts are still required to design therapeutic NCPs responsive to the unique tumor microenvironment to achieve more specific and effective therapy. Herein, we uncover a simple yet general strategy to synthesize a series of polyethylene glycol (PEG) modified NCPs via a one-step method by adding poly-histidine-PEG co-polymer into the mixture of metal ions and organic ligands during NCPs formation...
November 22, 2017: Biomaterials
https://www.readbyqxmd.com/read/29181970/catalyst-controlled-structural-divergence-selective-intramolecular-7-endo-dig-and-6-exo-dig-post-ugi-cyclization-for-the-synthesis-of-benzoxazepinones-and-benzoxazinones
#19
Karandeep Singh, Bhanwar Kumar Malviya, Tapta Kanchan Roy, Venus Singh Mithu, Vimal K Bhardwaj, Ved Prakash Verma, Swapandeep Singh Chimni, Siddharth Sharma
Metal catalyzed post-Ugi cyclization of bis-amides is reported in this study. Exposure of bis-amides to Pd(II) catalyst triggered the formation of seven-membered benzoxazepinones. This investigation established that changing the catalyst to a Echavarren's gold(I) turned off cyclization to seven member ring and turned on 6-exo-dig annulations to afford family of six-membered benzoxazinones. To support the proposed mechanisms, quantum chemical based density functional theory calculations has been performed and validated...
November 28, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29160879/molten-bacn2-for-the-sintering-and-crystal-growth-of-dielectric-oxynitride-perovskites-sr1-xbaxtao2n-x-0-04-0-23
#20
Akira Hosono, Yuji Masubuchi, Takashi Endo, Shinichi Kikkawa
Solid phase sintering of dielectric oxynitride perovskites above 1000 °C is accompanied by their decomposition. Post-ammonolysis is required to recover their stoichiometric nitrogen content and dielectric properties. In the present work, the oxynitride perovskite SrTaO2N was sintered with a BaCN2 flux at approximately 900 °C avoiding its thermal decomposition. The resulting solid product with a relative density of 68.9% showed relative dielectric constants in the range from 68 to 90 with loss values less than 0...
November 21, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
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