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https://www.readbyqxmd.com/read/29779126/animal-models-of-chronic-migraine
#1
REVIEW
Tse-Ming Chou, Shih-Pin Chen
PURPOSE OF REVIEW: Chronic migraine (CM) is a recalcitrant subtype of migraine which causes high degrees of disability, poor treatment responses, and frequent recurrences in sufferers. However, the pathophysiological mechanisms underlying the development and chronification of migraine attacks remain incompletely understood. A validated animal model could help to decipher the pathogenic mechanism of the disease, facilitating the development of possible therapeutic strategies for CM. In this review, we aimed to summarize current animal models of CM and discuss the validity of these models...
May 19, 2018: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/29778955/controlled-release-urea-reduced-nitrogen-leaching-and-improved-nitrogen-use-efficiency-and-yield-of-direct-seeded-rice
#2
Shugang Zhang, Tianlin Shen, Yuechao Yang, Yuncong C Li, Yongshan Wan, Min Zhang, Yafu Tang, Samuel C Allen
The use of controlled-release urea (CRU) has become one of best management practices for increasing crop yield and improving nitrogen (N) use efficiency (NUE). However, the effects of CRU on direct-seeded rice are not well understood while direct-seeding has gradually replaced transplanting due to increasing labor cost and lack of irrigation water. The objective of this two-year field experiment was to compare the effects of the CRU at four rates (120, 180, 240 and 360 kg N ha-1 , CRU1, CRU2, CRU3 and CRU4, respectively) with a conventional urea fertilizer (360 kg N ha-1 ; U) and a control (no N fertilizer applied; CK) on yield, biomass, NUE of direct-seeded rice and soil nutrients...
May 17, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29778896/formation-and-transformation-of-calcium-phosphate-phases-under-biologically-relevant-conditions-experiments-and-modelling
#3
Agnese Carino, Christian Ludwig, Antonio Cervellino, Elisabeth Müller, Andrea Testino
The experimental data on calcium phosphates formation were collected in dilute solution at constant pH (7.40) and temperature (37.0 °C) at different levels of ionic strength (IS). The evolution of the solid phase formation is described in detail using a thermodynamic-kinetic model. The thermodynamic model takes into account all relevant chemical species as well as Posner's clusters; the kinetic model, based on the discretized population balance approach, accounts for the solid formation from solution. The experimental data are consistent with an initial formation of dicalcium phosphate dihydrate (DCPD, brushite), which dominates the nucleation rate, and its rapid transformation into octacalcium phosphate (OCP) or hydroxyapatite (HA), which dominates the growth rate...
May 17, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29778883/hyaluronic-acid-modified-lipid-polymer-hybrid-nanoparticles-as-an-efficient-ocular-delivery-platform-for-moxifloxacin-hydrochloride
#4
Dan Liu, Yunfei Lian, Qiuyu Fang, Lu Liu, Jundong Zhang, Juan Li
To improve the ocular bioavailability of the strongly hydrophilic moxifloxacin hydrochloride, hyaluronic-acid-modified lipid-polymer hybrid nanoparticles (HA-LCS-NPs) were designed and characterized. An in vivo precorneal retention study in rabbits showed that the mean residence time (MRT) and area under the curve (AUC0-6h ) of HA-LCS-NPs were up to 6.74-fold and 4.29-fold higher than those of the commercial product. An in vitro corneal penetration study in rabbits demonstrated that the apparent permeability coefficient (Papp) of HA-LCS-NPs was increased by 3...
May 17, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29778826/intra-and-inter-rater-reliabilities-for-novel-muscle-thickness-assessment-during-co-contraction-with-dual-rehabilitative-ultrasound-imaging
#5
Hwang-Jae Lee, Hyun-Geun Ha, Joohee Hahn, Seungyeop Lim, Wan-Hee Lee
OBJECTIVES: This study aimed to investigate the intra- and inter-rater reliabilities of dual-rehabilitative ultrasound imaging (D-RUSI) for the simultaneous measurement of the thickness of the tibialis anterior (TA) and gastrocnemius (GCM) muscles in healthy young adults. DESIGN: A single-group repeated-measures reliability study. SETTING: Rehabilitative ultrasound imaging analysis laboratory. PARTICIPANTS: Thirty-six healthy participants (23 males; age = 26...
May 17, 2018: Physical Therapy in Sport
https://www.readbyqxmd.com/read/29778542/urinary-mitochondrial-dna-level-in-non-diabetic-chronic-kidney-diseases
#6
Pascal Zhongping Wei, Bonnie Ching-Ha Kwan, Kai Ming Chow, Phyllis Mei-Shan Cheng, Cathy Choi-Wan Luk, Ka-Bik Lai, Philip Kam- To Li, Cheuk Chun Szeto
BACKGROUND: Mitochondrial dysfunction plays an important role in the pathogenesis and progression of chronic kidney disease (CKD). We study the relation between urinary mitochondrial DNA (mtDNA) levels and renal dysfunction in non-diabetic CKD. METHODS: We recruited 32 CKD patients (20 had hypertensive nephrosclerosis, 12 had IgA nephropathy). Urinary supernatant mtDNA level was measured and compared to baseline clinical and pathological parameters. The patients were followed 57...
May 17, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29778439/does-orthognathic-surgery-improve-myofacial-pain-in-individuals-with-skeletal-class-iii-one-year-follow-up
#7
Aline Monise Sebastiani, Paola Fernanda Cotait de Lucas Corso, Daniel Bonotto, Juliana Feltrin de Souza, Delson João da Costa, Rafaela Scariot, Nelson Luis Barbosa Rebellato
OBJECTIVE: The objective of the study was to evaluate the effect of orthognathic surgery on temporomandibular disorder (TMD) in patients with skeletal class III malocclusion. STUDY DESIGN: Forty-seven patients undergoing surgery were evaluated by a trained examiner using Axis I of the Research Diagnostic Criteria/TMD index, consecutively, at 3 different periods: 1 week before operation (T0), 6 months after operation (T1), and 1 year after operation (T2). Bivariate analyses were performed to compare the evaluation periods (P < ...
April 16, 2018: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29778407/the-current-status-of-coral-reefs-and-their-vulnerability-to-climate-change-and-multiple-human-stresses-in-the-comoros-archipelago-western-indian-ocean
#8
B Cowburn, M A Samoilys, D Obura
Coral bleaching and various human stressors have degraded the coral reefs of the Comoros Archipelago in the past 40 years and rising atmospheric CO2 levels are predicted to further impact marine habitats. The condition of reefs in the Comoros is poorly known; using SCUBA based methods we surveyed reef condition and resilience to bleaching at sites in Grande Comore and Mohéli in 2010 and 2016. The condition of reefs was highly variable, with a range in live coral cover between 6% and 60% and target fishery species biomass between 20 and 500 kg per ha...
May 16, 2018: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/29778364/prevention-of-cardiovascular-events-in-asian-patients-with-ischaemic-stroke-at-high-risk-of-cerebral-haemorrhage-picasso-a-multicentre-randomised-controlled-trial
#9
Bum Joon Kim, Eun-Jae Lee, Sun U Kwon, Jong-Ho Park, Yong-Jae Kim, Keun-Sik Hong, Lawrence K S Wong, Sungwook Yu, Yang-Ha Hwang, Ji Sung Lee, Juneyoung Lee, Joung-Ho Rha, Sung Hyuk Heo, Sung Hwan Ahn, Woo-Keun Seo, Jong-Moo Park, Ju-Hun Lee, Jee-Hyun Kwon, Sung-Il Sohn, Jin-Man Jung, Jose C Navarro, Dong-Wha Kang
BACKGROUND: The optimal treatment for patients with ischaemic stroke with a high risk of cerebral haemorrhage is unclear. We assessed the efficacy and safety of cilostazol versus aspirin, with and without probucol, in these patients. METHODS: In this randomised, controlled, 2 × 2 factorial trial, we enrolled patients with ischaemic stroke with a history of or imaging findings of intracerebral haemorrhage or two or more microbleeds from 67 centres in three Asian countries...
June 2018: Lancet Neurology
https://www.readbyqxmd.com/read/29778363/the-severe-headaches-of-cardinal-richelieu
#10
Francesco Scordo, Giulia Domenici, Michele Augusto Riva
No abstract text is available yet for this article.
June 2018: Lancet Neurology
https://www.readbyqxmd.com/read/29778285/subcutaneous-tissue-metastasis-from-glioblastoma-multiforme-a-case-report-and-review-of-the-literature
#11
Natalia Frade Porto, Juan Delgado Fernández, María de Los Ángeles García Pallero, Juan Ramón Penanes Cuesta, Paloma Pulido Rivas, Ricardo Gil Simoes
Glioblastoma multiforme is the most common primary brain tumor, despite an aggressive clinical course, less than 2% of patients develop extraneural metastasis. We present a 72-year-old male diagnosed with a right temporal glioblastoma due to headache. He underwent total gross resection surgery and after that the patient was treated with adyuvant therapy. Five months after the patient returned with trigeminal neuralgia, and MRI showed an infratemporal cranial mass which infiltrates masticator space, the surrounding bone, the temporal muscle and superior cervical and parotid lymph nodes...
May 16, 2018: Neurocirugía
https://www.readbyqxmd.com/read/29778038/hierarchically-three-dimensional-3d-nanotubular-sea-urchin-shaped-iron-oxide-and-its-application-in-heavy-metal-removal-and-solar-induced-photocatalytic-degradation
#12
Soon Chang Lee, Yesul Jeong, Youn Jung Kim, Hyeran Kim, Hyun Uk Lee, Young-Chul Lee, Sang Moon Lee, Hae Jin Kim, Ha-Rim An, Myoung Gyu Ha, Go-Woon Lee, Young-Seak Lee, Gaehang Lee
In this study, hierarchically three-dimensional (3D) nanotubular sea urchin-shaped iron oxide nanostructures (3D-Fe2 O3 ) were synthesized by a facile and rapid ultrasound irradiation method. Additives, templates, inert gas atmosphere, pH regulation, and other complicated procedures were not required. Dense 3D-Fe2 O3 with a relatively large Brunauer-Emmett-Teller (BET) surface area of 129.4 m2 /g was synthesized within 23 min, and the BET surface area was further improved to 282.7 m2 /g by a post heat-treatment process...
April 23, 2018: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29778026/impacts-of-initial-temperature-and-cylindrical-obstacles-on-the-dispersing-flammable-limits-of-accidental-methane-releases-in-an-lng-bunkering-terminal
#13
Byung Chul Choi, Kweon-Ha Park, Deog-Hee Doh
This paper presents a numerical study on the dispersing flammable limits with respect to the initial methane releases at TCH4,0  = -50 and -150 °C in the crosswind of ambient air according to the arrangement of (a) No Tank, (b) Tank I, (c) Tank II, and (d) Tank I and II on the ground. To provide a better physical insight on the dispersion behaviors of the methane releases, the spatial distributions of the quasi-averaged methane concentration and flow fields were mainly analyzed using 3-D large eddy simulations...
May 16, 2018: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29778012/reactive-oxygen-species-ros-activity-of-ambient-fine-particles-pm-2-5-measured-in-seoul-korea
#14
Jieun Park, Eun Ha Park, James J Schauer, Seung-Muk Yi, Jongbae Heo
Substantial increase in level of particulate matter has raised concerns in South Korea recently. Ambient particulate matter is classified as Group I carcinogen (IARC, 2013) and multiple epidemiological studies has demonstrated adverse health effects due to exposure of particulate matter. Fine particulate matter (PM2.5 ) which has a diameter <2.5 μm is likely to penetrate deeply into lung and is known to be eliciting adverse health effects. A number of epidemiological studies have been conducted on adverse health effects of PM-related diseases and mortality rate, yet particulate matter (PM)-induced reactive oxygen species (ROS) activity at the cellular level has not been actively studied in Korea...
May 16, 2018: Environment International
https://www.readbyqxmd.com/read/29777885/posttraumatic-cerebrospinal-fluid-leak-associated-with-an-upper-cervical-meningeal-diverticulum
#15
Noriya Enomoto, Hideo Mure, Toshiyuki Okazaki, Mai Azumi, Shinya Okita, Shinji Nagahiro, Yasushi Takagi
Spontaneous intracranial hypotension (SIH) has been increasingly recognized as a phenomenon caused by cerebrospinal fluid (CSF) leaks; however, its pathogenesis is still unclear. Here, we report two cases of SIH as a result of CSF leak from a meningeal diverticulum at the C2 nerve root sleeve. The first case is that of a 46-year-old man who had suffered from orthostatic headache after a bicycle accident at age 45. Computed tomography (CT) myelography revealed CSF leaks at the C1/2 level. He underwent epidural blood patch (EBP) therapy, but it was unsuccessful...
May 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29777815/enhanced-antibacterial-activity-mechanical-and-physical-properties-of-alginate-hydroxyapatite-bionanocomposite-film
#16
Bahador Safikhani Gholizadeh, Foad Buazar, Seyed Mehdi Hosseini, Seyed Mohammad Mousavi
The effect of hydroxyapatite nanoparticles (HA NPs) contents on the antibacterial activity, physical, and mechanical properties of sodium alginate (SA) film was scrutinized. The samples were prepared via incorporation of three different concentrations of HA NPs (1%, 3%, and 5%) into alginate solution at ambient temperature. In all SA/HA matrices, HA NPs demonstrated considerable bactericidal activity against foodborne pathogen during 12 days. The highest antibacterial effect of SA film was obtained in the presence of 5%HA NPs content and showed 3 CFU/mg reduction...
May 16, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29777811/electrospun-chitosan-polycaprolactone-hyaluronic-acid-bilayered-scaffold-for-potential-wound-healing-applications
#17
Amit Chanda, Jaideep Adhikari, Aritri Ghosh, Sougata Roy Chowdhury, Sabu Thomas, Pallab Datta, Prosenjit Saha
Fabrication of mechanically stable, biocompatible bilayered polymeric scaffold consisting of chitosan(CS)/polycaprolactone(PCL) and hyaluronic acid(HA) using less toxic solvent system is presented in this study. Electrospinning technique to make the scaffold was used followed by morphological, physiochemical and mechanical characterizations. Average fiber diameter of CS/PCL-HA bilayered scaffold was found 362.2 ± 236 nm which is in the range of collagen fiber found in the extracellular matrices. Enhanced swelling, degradation, hydrophilicity and water vapour transmission rate were found for the bilayered scaffold compared to that of the PCL and CS-PCL scaffolds...
May 16, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29777731/tumor-necrosis-factor-receptor-2-is-required-for-ischemic-preconditioning-mediated-neuroprotection-in-the-hippocampus-following-a-subsequent-longer-transient-cerebral-ischemia
#18
Jae-Chul Lee, Chan Woo Park, Myoung Cheol Shin, Jun Hwi Cho, Hyang-Ah Lee, Young-Myeong Kim, Joon Ha Park, Ji Hyeon Ahn, Jeong Hwi Cho, Hyun-Jin Tae, In Koo Hwang, Tae-Kyeong Lee, Moo-Ho Won, Il Jun Kang
Tumor Necrosis Factor-α (TNF-α) is a proinflammatory cytokine implicated in neuronal damage in response to cerebral ischemia. Ischemic preconditioning (IPC) provides neuroprotection against a subsequent severer or longer transient ischemia by ischemic tolerance. Here, we focused on the role of TNF-α in IPC-mediated neuroprotection against neuronal death following a subsequent longer transient cerebral ischemia (TCI). Gerbils used in this study were randomly assigned to eight groups; sham group, TCI operated group, IPC plus (+) sham group, IPC + TCI operated group, sham + etanercept (an inhibitor of TNF-a) group, TCI + etanercept group, IPC + sham + etanercept group, and IPC + TCI + etanercept group...
May 16, 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29777693/cleavage-of-molybdopterin-synthase-moad-moae-linear-fusion-by-jamm-mpn-domain-containing-metalloprotease-dr0402-from-deinococcus-radiodurans
#19
Yoon-Mo Yang, Young-Bin Won, Chang-Jun Ji, Jung-Hoon Kim, Su-Hyun Ryu, Youn-Ha Ok, Jin-Won Lee
Molybdenum cofactor (Moco), molybdopterin (MPT) complexed with molybdenum, is an essential cofactor required for the catalytic center of diverse enzymes in all domains of life. Since Moco cannot be taken up as a nutrient unlike many other cofactors, Moco requires de novo biosynthesis. During the synthesis of MPT, the sulfur atom on the C-terminus of MoaD is transferred to cyclic pyranopterin monophosphate (cPMP) which is bound in the substrate pocket of MoaE. MoaD is a ubiquitin-like (Ubl) protein and has a C-terminal di-Gly motif which is a common feature of Ubl proteins...
May 16, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29777648/reasons-for-discontinuation-of-implanon-among-users-in-buffalo-city-metropolitan-municipality-south-africa-a-cross-sectional-study
#20
Khungelwa Patricia Mrwebi, Daniel Ter Goon, Eyitayo Omolara Owolabi, Oladele Vincent Adeniyi, Eunice Seekoe, Anthony Idowu Ajayi
Early discontinuation of implanon, a long-acting, reversible contraceptive among reproductive age women in South Africa is a serious public health concern. The aim of this study was to examine the reasons for discontinuation of implanon among its previous users. This descriptive cross-sectional study involved 188 consecutively selected participants in two large family planning clinics in Buffalo Metropolitan Municipality, East London, South Africa. Descriptive statistics was conducted using SPSS version 22...
March 2018: African Journal of Reproductive Health
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