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https://www.readbyqxmd.com/read/29166756/use-of-imaging-techniques-in-large-vessel-vasculitis-and-related-conditions
#1
Annibale Versari, Nicolò Pipitone, Massimiliano Casali, Francois Jamar, Giulia Pazzola
Giant Cell Arteritis (GCA) and Takayasu's arteritis (TA) are large vessel vasculitis (LVV) primarily affecting the aorta and its major branches, mainly differentiated by the onset age (>50 years GCA and <40 years TA). In addition, temporal artery involvement and polymyalgia rheumatic are typical features of GCA, but not TA. Imaging techniques are required to secure the diagnosis of large-vessel vasculitides, and to monitor the disease course. Both morphological and metabolic imaging are involved. Morphological imaging is represented mainly by Computerized Tomography (CT), CT angiography, Magnetic Resonance (MR), MR angiography, Color-Doppler Sonography (CDS) and high-resolution CDS...
November 22, 2017: Quarterly Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29166752/immunotherapy-treatment-an-issue-for-metabolic-response
#2
Luca Tagliabue, Antonella Capozza, Claudio Maioli, Andrea Luciani, Anna M Ierardi, Gianpaolo Carrafiello
Since the beginning of second decade of this century, when it was introduced in many oncologic scenarios, immunotherapy has become an important tool in the management of a growing number of cancers. Engaging the host immune system in cancer therapy seems to be useful, improving not only progression free survival but also overall survival, until the achieving the goal that many advanced cancers, previously considered without effective treatment options, have now become successfully treatable. Moreover, considering the relatively recent introduction of these drugs in clinical scenarios and the continuous releasing of new drugs, large validated clinical experiences are lacking and many issues are today debated; by the way, the evaluation of the response to immune-therapy poses major concerns...
November 22, 2017: Quarterly Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29166723/-association-between-serum-n%C3%AE%C2%B5-carboxymethyl-lysine-level-and-anterior-tibial-arterial-plaque-calcification-in-patients-with-diabetic-foot-post-foot-amputation
#3
L H Li, F Ye, X L Fu, S N Xu, Z Y Bao, Z Sun, J C Yan, J N Wu, Z Q Wang
Objective: To observe the correlation between Nε-carboxymethyl-Lysine (CML), the main component of advanced glycation end products and the calcification of the anterior tibial artery plaque in patients with diabetic foot post foot amputation. Methods: Sixty patients hospitalized for foot amputation operation due to diabetic foot from June 2012 to June 2016 in the Department of Orthopedics, Affiliated Hospital of Jiangsu University were prospectively recruited.The patients were categorized into mild stenosis (0<stenosis<50%, n=20), moderate stenosis (50%≤stenosis<70%, n=20) and severe stenosis (70%≤stenosis≤100%, n=20) based on the color Doppler ultrasound assessed severity of anterior tibial artery stenosis...
November 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29166712/-effects-of-endostatin-pretreatment-on-fibrosis-of-human-skin-fibroblasts-and-the-mechanisms
#4
H T Ren, Y Li, S D Wang, C M Han
Objective: To explore the effects of endostatin pretreatment on fibrosis of human skin fibroblasts and the mechanisms. Methods: Human skin fibroblasts were routinely cultured in vitro, and then the cells of passage 3 to 5 were used in the following experiments. The cells were divided into blank control, endostatin, platelet-derived growth factor-BB (PDGF-BB), endostatin+ PDGF-BB, transforming growth factor-β(1) (TGF-β(1)), and endostatin+ TGF-β(1) groups according to the random number table, with 3 wells in each group...
November 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29166707/-establishment-of-myocardial-targeted-nanoparticles-and-preliminary-evaluation-of-its-effects-on-prevention-and-treatment-of-myocardial-injury
#5
Y Y Liu, C Wang, P F Luo, Z F Xia
Objective: To establish 3-{4-[2-hydroxyl-(1-methylethylamino) propoxy] phenyl} propionic acid cetylesters (PAC) modified nanoparticles, and preliminarily explore its cardiomyocyte-targeting function and protection effects on myocardium. Methods: (1) HL-1 myocardial cells were divided into cyanidin-3 (Cy3) marked non-targeted small interference RNA (Cy3-siNC) group and Cy3 marked small interference RNA designed for the nuclear factor kappa B (NF-κB)-p65 gene (Cy3-si435) group according to the random number table, with 3 wells in each group...
November 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29166701/when-is-protection-from-impact-needed-for-the-face-as-well-as-the-eyes-in-occupational-environments
#6
Stephen J Dain, Rose Huang, Aimee Tiao, B Ralph Chou
BACKGROUND: The most commonly identified reason for requiring or using occupational eye and face protection is for protection against flying objects. Standards vary on what risk may require protection of the eyes alone and what requires protection for the whole face. Information on the minimum energy transfer for face damage to occur is not well-established. METHODS: The heads of pigs were used as the common model for human skin. A 6 mm steel ball projected at velocities between 45 and 135 m/s was directed at the face area...
November 22, 2017: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/29166700/dlp1-dependent-mitochondrial-fragmentation-and-redistribution-mediate-prion-associated-mitochondrial-dysfunction-and-neuronal-death
#7
Chaosi Li, Di Wang, Wei Wu, Wei Yang, Syed Zahid Ali Shah, Ying Zhao, Yuhan Duan, Lu Wang, Xiangmei Zhou, Deming Zhao, Lifeng Yang
Mitochondrial malfunction is a universal and critical step in the pathogenesis of many neurodegenerative diseases including prion diseases. Dynamin-like protein 1 (DLP1) is one of the key regulators of mitochondrial fission. In this study, we investigated the role of DLP1 in mitochondrial fragmentation and dysfunction in neurons using in vitro and in vivo prion disease models. Mitochondria became fragmented and redistributed from axons to soma, correlated with increased mitochondrial DLP1 expression in murine primary neurons (N2a cells) treated with the prion peptide PrP(106-126) in vitro as well as in prion strain-infected hamster brain in vivo...
November 22, 2017: Aging Cell
https://www.readbyqxmd.com/read/29166662/detection-of-hbsag-mutants-in-the-blood-donor-population-of-pakistan
#8
Ahmad Farooq, Usman Waheed, Hasan Abbas Zaheer, Fahad Aldakheel, Shatha Alduraywish, Muhammad Arshad
BACKGROUND: Infection with the Hepatitis B virus (HBV) continues to be one of the leading healthcare issues in Pakistan, affecting over 6 million people. The existence of HBsAg mutants is well documented in many countries. In Pakistan, HBV screening in the majority of the blood banks is performed by Rapid Detection Devices or ELISA tests. These tests are designed to detect HBsAg, but may not detect the mutant HBsAg. Failure to detect the HBsAg mutant may result in the transmission of HBV infection from donor to recipient...
2017: PloS One
https://www.readbyqxmd.com/read/29166653/testing-the-applicability-of-a-benthic-foraminiferal-based-transfer-function-for-the-reconstruction-of-paleowater-depth-changes-in-rhodes-greece-during-the-early-pleistocene
#9
Yvonne Milker, Manuel F G Weinkauf, Jürgen Titschack, Andre Freiwald, Stefan Krüger, Frans J Jorissen, Gerhard Schmiedl
We present paleo-water depth reconstructions for the Pefka E section deposited on the island of Rhodes (Greece) during the early Pleistocene. For these reconstructions, a transfer function (TF) using modern benthic foraminifera surface samples from the Adriatic and Western Mediterranean Seas has been developed. The TF model gives an overall predictive accuracy of ~50 m over a water depth range of ~1200 m. Two separate TF models for shallower and deeper water depth ranges indicate a good predictive accuracy of 9 m for shallower water depths (0-200 m) but far less accuracy of 130 m for deeper water depths (200-1200 m) due to uneven sampling along the water depth gradient...
2017: PloS One
https://www.readbyqxmd.com/read/29166646/reconstruction-of-membrane-current-by-deconvolution-and-its-application-to-membrane-capacitance-measurements-in-cardiac-myocytes
#10
Matej Hoťka, Ivan Zahradník
Correct detection of membrane currents under whole-cell patch-clamp conditions is limited by the transfer function of a recording system. The low-pass output filter of a recording amplifier alters the time course of membrane current and causes errors in relevant descriptors. To solve these problems, we developed a practical procedure for reconstruction of the time course of membrane currents based on deconvolution of recorded currents in frequency domain. The procedure was tested on membrane capacitance estimates from current responses to step voltage pulses...
2017: PloS One
https://www.readbyqxmd.com/read/29166641/agrowastes-as-feedstock-for-the-production-of-endo-%C3%AE-xylanase-from-cohnella-sp-strain-ar92
#11
José H Pisa, Adriana P Manfredi, Nora I Perotti, Héctor G Romero, Javier D Breccia, María Alejandra Martínez
Members of Cohnella sp. isolated from a variety of environments have been shown to be glycoside hydrolase producers. Nevertheless, most evaluations of members of this genus are limited to their taxonomic description. The strain AR92, previously identified as belonging to the genus Cohnella, formed a well-supported cluster with C. thailandensis and C. formosensis (>80% bootstrap confidence). Its growth and xylanase production were approached by using a mineral-based medium containing alkali-pretreated sugarcane bagasse as the main carbon source, which was assayed as a convenient source to produce biocatalysts potentially fitting its degradation...
November 23, 2017: Journal of Molecular Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29166635/the-protean-neuropsychiatric-and-vestibuloauditory-manifestations-of-neurosarcoidosis
#12
Jacqueline J Greene, Ilka C Naumann, Janet M Poulik, Kevin T Nella, Lindsay Weberling, Jeffrey P Harris, Akihiro J Matsuoka
BACKGROUND: A rare subset of sarcoidosis, neurosarcoidosis, is reported to occur in 5-7% of sarcoid patients and can manifest in a variety of ways. The most common are facial paralysis and optic neuritis, less commonly causing cochleovestibulopathy, blindness, anosmia, and other cranial nerve (CN) palsies. The sensory deficit may be severe and psychiatric symptoms may result from the effects of the disease or steroid treatment. Although MRI-compatible cochlear implants are now available, concerns about the feasibility of recoverable hearing with cochlear implantation in these patients as well as the practical difficulty of disease monitoring due to implant artifact must be considered...
November 23, 2017: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/29166627/1-4-dioxane-pollution-at-contaminated-groundwater-sites-in-western-germany-and-its-distribution-within-a-tce-plume
#13
Ursula Karges, Johannes Becker, Wilhelm Püttmann
An effective and sensitive method for the analysis of 1,4-dioxane in water has been available since 2008 (EPA 522). This method is increasingly being applied to investigate the distribution of 1,4-dioxane in the aquatic environment. However, there is a need for more information about the possible occurrence of 1,4-dioxane in groundwater in Europe in general, and in Germany in particular, where virtually no data have been collected so far. The possible contamination of groundwater with 1,4-dioxane is of relevance to Germany because up to 70% of Germany's drinking water is obtained from groundwater and about 17% from river bank filtrate, which contains variable proportions of groundwater...
November 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29166626/non-covalent-interactions-between-thio-caffeine-derivatives-and-water-soluble-porphyrin-in-ethanol-water-environment
#14
Agnieszka Lipke, Magdalena Makarska-Bialokoz, Arleta Sierakowska, Beata Jasiewicz
To determine the binding interactions and ability to form the non-covalent systems, the association process between 5,10,15,20-tetrakis[4-(trimethylammonio)phenyl]-21H,23H-porphine tetra-p-tosylate (H2TTMePP) and a series of five structurally diverse thio-caffeine analogues has been studied in ethanol and ethanol-water solutions, analyzing its absorption and steady-state fluorescence spectra. The porphyrin fluorescence lifetimes in the systems studied were established as well. During the titration with thio-caffeine compounds the slight bathochromic effect and considerable hypochromicity of the porphyrin Soret band maximum can be noted...
November 19, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29166593/neural-correlates-of-improvements-in-personality-and-behavior-following-a-neurological-event
#15
Marcie L King, Kenneth Manzel, Joel Bruss, Daniel Tranel
Research on changes in personality and behavior following brain damage has focused largely on negative outcomes, such as increased irritability, moodiness, and social inappropriateness. However, clinical observations suggest that some patients may actually show positive personality and behavioral changes following a neurological event. In the current work, we investigated neuroanatomical correlates of positive personality and behavioral changes following a discrete neurological event (e.g., stroke, benign tumor resection)...
November 19, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/29166576/the-beneficial-health-aspects-of-sea-buckthorn-elaeagnus-rhamnoides-l-a-nelson-oil
#16
REVIEW
Beata Olas
ETHNOPHARMACOLOGICAL CONTEXT: Plant oils are known to have biological activity. This review paper summarizes the current knowledge of the composition of sea buckthorn (Elaeagnus rhamnoides (L.) A.Nelson) seed and pulp oil and its beneficial health aspects. MATERIALS AND METHODS: In vitro and in vivo studies on humans and animals have found sea buckthorn oil to have a variety of beneficial properties to human health, and indicate that it may be a valuable component of human and animal nutrition...
November 19, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29166572/territorial-aggression-in-urban-and-rural-song-sparrows-is-correlated-with-corticosterone-but-not-testosterone
#17
Scott Davies, Michelle L Beck, Kendra B Sewall
Urban songbirds of several species more vigorously defend their territories in response to conspecific song playback than do their rural counterparts, but the hormonal basis of this behavioral difference is unclear. It is well established in vertebrates that both testosterone and corticosterone affect the intensity of territoriality. Previous studies have found no evidence that initial (i.e., immediately follow territorial challenge, but prior to restraint) plasma testosterone accounts for the elevated territorial aggression of urban birds...
November 19, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/29166564/optical-control-of-dopamine-receptors-using-a-photoswitchable-tethered-inverse-agonist
#18
Prashant Donthamsetti, Nils Winter, Matthias Schönberger, Joshua Levitz, Cherise Stanley, Jonathan A Javitch, Ehud Y Isacoff, Dirk Trauner
Family A G protein-coupled receptors (GPCRs) control diverse biological processes and are of great clinical relevance. Their archetype rhodopsin becomes naturally light sensitive by binding covalently to the photoswitchable tethered ligand (PTL) retinal. Other GPCRs, however, neither bind covalently to ligands nor are light sensitive. We sought to impart the logic of rhodopsin to light-insensitive Family A GPCRs in order to enable their remote control in a receptor-specific, cell-type-specific and spatio-temporally precise manner...
November 22, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29166546/back-to-back-colon-capsule-endoscopy-and-optical-colonoscopy-in-colorectal-cancer-screening-individuals
#19
Morten Kobaek-Larsen, Rasmus Kroijer, Anne-Kirstine Dyrvig, Maria Magdalena Buijs, Robert J C Steele, Niels Qvist, Gunnar Baatrup
AIM: To determine the polyp detection rate and per-patient sensitivity for polyps >9 mm of colon capsule endoscopy (CCE) compared with colonoscopy as well as the diagnostic accuracy of CCE. METHOD: Individuals who had positive immunochemical faecal occult blood test during screening had investigator blinded colon capsule endoscopy and colonoscopy. Participants underwent repeat endoscopy if significant lesions detected by colon capsule endoscopy were considered to have been missed by colonoscopy...
November 22, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/29166522/nickel-exposure-from-keys-a-brazilian-issue
#20
Nathalie Mie Suzuki, Ida Alzira Gomes Duarte, Mariana de Figueiredo Silva Hafner, Rosana Lazzarini
Keys are a significant source of exposure to metal allergens and can be a relevant problem for nickel-allergic individuals. This study aimed to perform nickel and cobalt spot testing among the 5 most common Brazilian brands of keys. Among the tested keys, 100% showed positive result to nickel spot test, 83,3% presented strong positive reaction. 50% exhibited cobalt release as well. Nickel release from keys is very common in our country and may cause a negative impact on sensitized individual's quality of life...
September 2017: Anais Brasileiros de Dermatologia
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