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Katsutoshi Mizuno, Erin E Dymek, Elizabeth F Smith
The complex waveforms characteristic of motile eukaryotic cilia and flagella are produced by the temporally and spatially regulated action of multiple dynein subforms generating sliding between subsets of axonemal microtubules. Multiple protein complexes have been identified that are associated with the doublet microtubules and that mediate regulatory signals between key axonemal structures, such as the radial spokes and central apparatus, and the dynein arm motors; these complexes include the N-DRC, MIA and CSC complexes...
October 22, 2016: Cytoskeleton
Zhenglin Chi, Peng Yang, Dajiang Song, Zan Li, Liang Tang, Weiyang Gao, Yonghuan Song, Tingang Chu
INTRODUCTION: To investigate the results of resurfacing completely degloved digits using bilobed innervated radial artery superficial palmar branch (RASPB) perforator flap in a spiral fashion. METHODS: A detailed anatomic study on 30 adult fresh frozen cadavers preinjected with silicone rubber compound to demarcate arterial anatomy documented locations, numbers, and diameters of arteries and skin perforators with surrounding nerves. The flap-raising procedure was performed using four fresh cadaver specimen...
October 21, 2016: Surgical and Radiologic Anatomy: SRA
Melkamu Adeb, Daichi Hayashi, Yogesh Kumar
BACKGROUND: Kirner's deformity is a rare bony deformity that is characterized by radial and volar curvature of the distal phalanx of the fifth finger. Affected patients usually present after the age of 5 years, with girls more affected than boys and bilateral involvement more common than unilateral. CASE PRESENTATION: We report a case of an eight-year-old girl who presented with progressive deformity of the right little finger. Radiographic evaluation revealed volar and radial curvature of the distal phalanx of the right fifth digit...
October 21, 2016: BMC Musculoskeletal Disorders
Swarupa Kancherla, William J Kohler, Yolandi van der Merwe, Kevin C Chan
Visual function has been shown to deteriorate prior to the onset of retinopathy in some diabetic patients and experimental animal models. This suggests the involvement of the brain's visual system in the early stages of diabetes. In this study, we tested this hypothesis by examining the integrity of the visual pathway in a diabetic rat model using in vivo multi-modal magnetic resonance imaging (MRI). Ten-week-old Sprague-Dawley rats were divided into an experimental diabetic group by intraperitoneal injection of 65 mg/kg streptozotocin in 0...
2016: PloS One
Gareth Davies, Gerald Yeo, Mahendrakumar Meta, David Miller, Erik Hohmann, Kevin Tetsworth
OBJECTIVES: To compare the risk of major complications after either minimally invasive plate osteosynthesis (MIPO) or intramedullary nailing (IMN) of humeral shaft fractures. DESIGN: Retrospective, case-match controlled study. SETTING: A major metropolitan tertiary referral trauma center in Australia. PATIENTS: Thirty patients with fractures of the humeral shaft. INTERVENTION: Either MIPO or IMN were performed on 15 patients each with traumatic humeral shaft fractures...
November 2016: Journal of Orthopaedic Trauma
Vivian L Bishay, Derek M Biederman, Thomas J Ward, Imramsjah Martijn J van der Bom, Rahul S Patel, Edward Kim, Francis S Nowakowski, Robert A Lookstein, Aaron M Fischman
OBJECTIVE: The transradial approach (TRA) has been shown to reduce the morbidity and mortality associated with arterial coronary interventions. Selective internal radiation therapy (SIRT) performed via the TRA can enhance patient comfort, compared with the traditional transfemoral approach (TFA), by allowing immediate ambulation and precluding potential complications associated with the TFA, such as closure device injury or retroperitoneal hematoma. We report our initial experience with and technique for using the TRA for SIRT...
November 2016: AJR. American Journal of Roentgenology
Zhimin Xie, Dongliang Chai, Youshan Wang, Huifeng Tan
The effective potentials are of great importance for the coarse-grained (CG) simulations, which can be obtained by the structure-based iterative Boltzmann inversion (IBI) method. However, the standard IBI method is incapable of keeping the mechanical and thermodynamic properties of the CG model in consistence with those of the all-atom model. Unlike the existed techniques, such as introducing the friction force as the dissipative force to drop the superatom motion while the conservative force arising from the CG potential was kept intact, we directly modified the standard IBI nonbonded potential by adding an empirical function...
October 21, 2016: Journal of Physical Chemistry. B
Erfan Dashtimoghadam, Ghasem Bahlakeh, Hamed Salimi-Kenari, Mohammad Mahdi Hasani-Sadrabadi, Hamid Mirzadeh, Bo Nyström
The temperature-induced gelation of chitosan/glycerophosphate (Chs/GP) systems through physical interactions has shown great potential for various biomedical applications. In the present work, hydroxyethyl cellulose (HEC) was added to the thermosensitive Chs/GP solution to improve the mechanical strength and gel properties of the incipient Chs/HEC/GP gel in comparison with the Chs/GP hydrogel at body temperature. The physical features of the macromolecular complexes formed by the synergistic interaction between chitosan and hydroxyethyl cellulose in the presence of β-glycerophosphate disodium salt solution have been studied essentially from a rheological point of view...
October 21, 2016: Biomacromolecules
Sungheon Gene Kim, Melanie Freed, Ana Paula Klautau Leite, Jin Zhang, Claudia Seuss, Linda Moy
PURPOSE: To assess the diagnostic utility of contrast kinetic analysis for breast lesions and background parenchyma of women undergoing MRI-guided biopsies, for whom standard clinical analysis had failed to separate benign and malignant lesions. MATERIALS AND METHODS: This study included 115 women who had indeterminate lesions based on routine diagnostic breast MRI exams and underwent an MRI (3 Tesla) -guided biopsy of one or more lesions suspicious for breast cancer...
October 20, 2016: Journal of Magnetic Resonance Imaging: JMRI
Hiroaki Matsuno
BACKGROUND AND OBJECTIVES: Recently, the osteoporosis treatment has attracted attention, and several drugs have been developed. Among these, bisphosphonates (BPs), parathyroid hormone (PTH) and anti-receptor activator of nuclear factor kappa B ligand (RANKL) monoclonal (MAb) denosumab (DMAb) are the major osteoporosis agents. Several studies demonstrated that the effect of osteoporosis agents is evaluated by lumar or hip dual energy X-ray absorptiometry (DXA). However, private clinic commonly use the radial DXA...
October 20, 2016: Drugs in R&D
Marko Bumbaširević, Tomislav Palibrk, Henry Dushan E Atkinson, Aleksandar Lešić
OBJECTIVES: To evaluate the safety and efficacy of the Ilizarov fine-wire compression/distraction technique in the treatment of scaphoid nonunion (SNU), without the use of bone graft. DESIGN: This is a prospective study of 20 consecutive patients in one center. PATIENTS AND METHODS: This study included 20 patients (19 males) with a mean SNU duration of 14.5 months. Four patients had proximal pole, 15 had waist, and 1 had a distal SNU. Patients with carpal instability, humpback deformities, carpal collapse, avascular necrosis, and marked degenerative change were excluded...
October 20, 2016: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
Jing Chen, Xiaoyan Zhang, Han Zhang, Tongqiang Liu, Hui Zhang, Jie Teng, Jun Ji, Xiaoqiang Ding
Chronic kidney disease (CKD) is a state of Klotho deficiency. The Klotho expression may be suppressed due to DNA hypermethylation in cancer cells so we have investigated the effects and possible mechanisms by which Klotho expression is regulated in human aortic smooth muscle cells (HASMCs). The vascular Klotho hypermethylation in radial arteries of patients with end-stage renal disease was described. Cultured HASMCs and 5/6-nephrectomized Sprague Dawley (SD) rats treated with indoxyl sulfate (IS) were used as in vitro and in vivo models, respectively...
2016: International Journal of Biological Sciences
Yuan-Bo Wu, Li Zhang, Wen-Ting Li, Yi Yang, Jiang-Ming Zhao
BACKGROUND: Artesunate (ART) is an antimalarial drug with potential anti-inflammatory effect. This study aimed to explore the potential protective role of ART in hepatic encephalopathy (HE), involving its function against ammonia toxicity. METHODS: HE rats were induced by the administration of thioacetamide (TAA, 300mg/kg/day). Spatial learning ability was tested in both Morris water and eight-arm radial maze. Rat cerebellar granule neurons (CGNs) were prepared for ammonia treatment in vitro, in line with SH-SY5Y and C6 cells...
October 17, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Stéphane Beaudoin, Linda M Ofiara, Marc Bellerose, Anne V Gonzalez
No abstract text is available yet for this article.
October 2016: Journal of Bronchology & Interventional Pulmonology
Seok-Youl Choi, Jong Woong Park, Dong Hwee Kim
Ultrasonographic study is useful for decision making of treatment for focal neuropathy with unusual electrodiagnostic findings. We present a patient with severe acute radial neuropathy with sensory sparing around the distal arm secondary to twisting of the radial nerve following blunt trauma. A 24-year-old man with a 2-week history of left wrist drop and severe pain around the left elbow presented after hitting the left distal arm on the doorknob. The left wrist and finger extensions were grade 0, but elbow extension could not be tested because of severe pain during this action...
November 2016: American Journal of Physical Medicine & Rehabilitation
Xianyu Song, Shuangliang Zhao, Shenwen Fang, Yongzhang Ma, Ming Duan
The dissipative particle dynamics (DPD) method is used to investigate the adsorption behavior of PEO-PPO-PEO triblock copolymers at the liquid/solid interface. The effect of molecular architecture on the self-assembled monolayer adsorption of PEO-PPO-PEO triblock copolymers on hydrophobic surfaces is elucidated by adsorption process, film properties, adsorption morphologies, respectively. The adsorption thicknesses on hydrophobic surfaces and diffusion coefficient as well as aggregation number of Pluronic copolymers in aqueous solution observed in our simulations agree well with previous experimental and numerical observations...
October 20, 2016: Langmuir: the ACS Journal of Surfaces and Colloids
Kohtaro Watanabe, Hirokazu Takahashi, Saori Sato, Shunsaku Nishiuchi, Fumie Omori, Al Imran Malik, Timothy David Colmer, Yoshiro Mano, Mikio Nakazono
A radial oxygen loss (ROL) barrier in roots of waterlogging-tolerant plants promotes oxygen movement via aerenchyma to the root tip, and impedes soil phytotoxin entry. The molecular mechanism and genetic regulation of ROL barrier formation are largely unknown. Zea nicaraguensis, a waterlogging-tolerant wild relative of maize (Z. mays ssp. mays), forms a tight ROL barrier in its roots when waterlogged. We used Z. nicaraguensis chromosome segment introgression lines (ILs) in maize (inbred line Mi29) to elucidate the chromosomal region involved in regulating root ROL barrier formation...
October 20, 2016: Plant, Cell & Environment
Ming-Ching Wen, Hannah S E Heng, Samuel Y E Ng, Louis C S Tan, Ling Ling Chan, Eng King Tan
Parkinson's disease (PD) is a debilitating neurodegenerative disorder. Findings on specific white matter (WM) alterations in PD have been inconsistent. We hypothesized that WM changes occur in early PD patients and unbiased whole-brain analysis may provide additional evidence of pathological WM changes in PD. In this study, we examined various indexes of WM microstructure in newly diagnosed PD patients at the whole-brain level. 64 PDs with Hoehn &Yahr stage 1 (HY1PDs), 87 PDs with Hoehn &Yahr stage 2 (HYPD2s), and 60 controls (HCs) were recruited...
October 20, 2016: Scientific Reports
Hasseeb Azzawi, Jingyu Hou, Yong Xiang, Russul Alanni
Lung cancer is a leading cause of cancer-related death worldwide. The early diagnosis of cancer has demonstrated to be greatly helpful for curing the disease effectively. Microarray technology provides a promising approach of exploiting gene profiles for cancer diagnosis. In this study, the authors propose a gene expression programming (GEP)-based model to predict lung cancer from microarray data. The authors use two gene selection methods to extract the significant lung cancer related genes, and accordingly propose different GEP-based prediction models...
October 2016: IET Systems Biology
Sameer Sethi, Souvik Maitra, Vikas Saini, Tanvir Samra, S K Malhotra
BACKGROUND: The current available literature is not unanimous in reporting the utility of short-axis and long-axis techniques for radial artery cannulation in both adults and children. This study was designed to compare short-axis out-of-plane (SA-OOP) and long-axis in-plane (LA-IP) techniques in ultrasound-guided radial artery cannulation in adults. METHODS: In this prospective randomized controlled trial, 150 adult patients of American Society of Anesthesiologists physical status I-III aged between 18 and 70 years were included...
October 19, 2016: Journal of Anesthesia
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