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https://www.readbyqxmd.com/read/28453549/idiosyncratic-recognition-of-uug-uua-codons-by-modified-nucleoside-5-taurinomethyluridine-%C3%AF-m5u-present-at-wobble-position-in-anticodon-loop-of-trnaleu-a-molecular-modeling-approach
#1
Asmita S Kamble, Prayagraj M Fandilolu, Susmit B Sambhare, Kailas D Sonawane
Lack of naturally occurring modified nucleoside 5-taurinomethyluridine (τm5U) at the 'wobble' 34th position in tRNALeu causes mitochondrial myopathy, encephalopathy, lactic acidosis and stroke-like episodes (MELAS). The τm5U34 specifically recognizes UUG and UUA codons. Structural consequences of τm5U34 to read cognate codons have not been studied so far in detail at the atomic level. Hence, 50ns multiple molecular dynamics (MD) simulations of various anticodon stem loop (ASL) models of tRNALeu in presence and absence of τm5U34 along with UUG and UUA codons were performed to explore the dynamic behaviour of τm5U34 during codon recognition process...
2017: PloS One
https://www.readbyqxmd.com/read/28446253/promoting-medication-adherence-among-patients-with-bipolar-disorder-a-multicenter-randomized-controlled-trial-of-a-multifaceted-intervention
#2
A H Pakpour, A Modabbernia, C-Y Lin, M Saffari, M Ahmadzad Asl, T L Webb
BACKGROUND: The present research aimed to investigate the efficacy of a multifaceted intervention that included motivational interviewing (MI) and psychoeducation in improving medication adherence (MA) among patients with bipolar disorder (BD). METHOD: A multicenter, cluster randomized, observer-blind, controlled, parallel-group trial was conducted in ten academic centers in Iran. Patients with BD were randomly assigned to the experimental group (EXP; n = 136) or the usual care group (UC; n = 134)...
April 27, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28431859/mri-based-quantification-of-renal-perfusion-in-mice-improving-sensitivity-and-stability-in-fair-asl
#3
Fabian Tobias Gutjahr, Stephan Michael Günster, Thomas Kampf, Patrick Winter, Volker Herold, Wolfgang Rudolf Bauer, Peter Michael Jakob
PURPOSE: The importance of the orientation of the selective inversion slice in relation to the anatomy in flow-sensitive alternating inversion recovery arterial spin labeling (FAIR ASL) kidney perfusion measurements is demonstrated by comparing the standard FAIR scheme to a scheme with an improved slice selective control experiment. METHODS: A FAIR ASL method is used. The selective inversion preparation slice is set perpendicular to the measurement slice to decrease the unintended labeling of arterial spins in the control experiment...
April 18, 2017: Zeitschrift Für Medizinische Physik
https://www.readbyqxmd.com/read/28431534/the-effects-of-spirulina-platensis-on-anthropometric-indices-appetite-lipid-profile-and-serum-vascular-endothelial-growth-factor-vegf-in-obese-individuals-a-randomized-double-blinded-placebo-controlled-trial
#4
Reihaneh Zeinalian, Mahdieh Abbasalizad Farhangi, Atefeh Shariat, Maryam Saghafi-Asl
BACKGROUND: In recent years, a great attention has been focused on Spirulina platensis as a source of potential valuable nutrients for prevention and treatment of chronic diseases. The objectives of the current study were to determine the effects of Spirulina platensis on anthropometric parameters, serum lipids, appetite and serum Vascular Endothelial Growth Factor (VEGF) in obese individuals. METHODS: In the current study sixty four obese individuals aged 20-50 years were enrolled and randomly allocated into two groups of intervention and placebo...
April 21, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28431466/next-generation-sequencing-reveals-one-novel-missense-mutation-in-col1a2-gene-in-an-iranian-family-with-osteogenesis-imperfecta
#5
Farah Talebi, Farideh Ghanbari Mardasi, Mohammadi Asl Javad, Bavarsad Amir Hooshang, Salehi Kambo Masoumeh
BAckground: Osteogenesis imperfecta (OI) is a clinically and genetically heterogeneous disorder characterized by bone loss and bone fragility. The aim of this study was to investigate the variants of three genes involved in the pathogenesis of OI. Methods: Molecular genetic analyses were performed for COL1A1, COL1A2, and CRTAP genes in an Iranian family with OI. The DNA samples were analyzed by next-generation sequencing (NGS) gene panel and Sanger sequencing. Results: Five different variants were identified in COL1A1 and COL1A2, including two variants in COL1A1 and three variants in COL1A2...
April 22, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28421854/reduction-of-bold-interference-in-pseudo-continuous-arterial-spin-labeling-towards-quantitative-fmri
#6
Geoffrey Warnock, Pinar S Özbay, Felix P Kuhn, Daniel Nanz, Alfred Buck, Andreas Boss, Cristina Rossi
Fluctuations in blood-oxygenation level dependent (BOLD) signal and perfusion affect the quantification of changes in cerebral blood flow (CBF), coupled to neuronal activity, in arterial spin labeling (ASL). Subtraction methods for control and labeled MR images (i.e. pair-wise, surround subtraction, and subtraction of sinc-interpolated images), postulated to mitigate this interference in pseudo-continuous ASL (pCASL), were evaluated by comparison with quantitative (15)O-water PET. At rest, a good agreement in the CBF values was found between PET and MRI for each of the subtraction methods...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28419769/nurse-practitioner-perceptions-of-barriers-and-facilitators-in-providing-health-care-for-deaf-american-sign-language-users-a-qualitative-socio-ecological-approach
#7
Kathy M Pendergrass, Lynne Nemeth, Susan D Newman, Carolyn M Jenkins, Elaine G Jones
BACKGROUND AND PURPOSE: Nurse practitioners (NPs), as well as all healthcare clinicians, have a legal and ethical responsibility to provide health care for deaf American Sign Language (ASL) users equal to that of other patients, including effective communication, autonomy, and confidentiality. However, very little is known about the feasibility to provide equitable health care. The purpose of this study was to examine NP perceptions of barriers and facilitators in providing health care for deaf ASL users...
April 17, 2017: Journal of the American Association of Nurse Practitioners
https://www.readbyqxmd.com/read/28411463/simultaneous-separation-of-taxon-specific-crystallins-from-mule-duck-and-characterization-of-their-enzymatic-activities-and-structures
#8
Chih-Hsien Wang, Chia-Chi Huang, Wenlung Chen
Methods to obtain pure proteins in large amounts are indispensible in protein research. We report here a large-scale/simultaneous isolation of taxon-specific crystallins (ɛ- and δ-crystallin) from the eye lenses of Mule duck. We also investigate the compositions, enzymatic activities, and structures of these purified taxon-specific proteins. A relatively mild method of ion-exchange chromatography was developed to fractionate ɛ-crystallin and δ-crystallin in large amount, ca. ∼6.60mg/g-lens and ∼41.0mg/g-lens, respectively...
April 6, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28411436/acoustic-source-localization-in-an-anisotropic-plate-without-knowing-its-material-properties-a-new-approach
#9
Won Hyun Park, Pawel Packo, Tribikram Kundu
Acoustic source localization (ASL) in a highly anisotropic plate is a challenging task. The basic assumption in many of the currently available techniques is that the wave propagates along a straight line from the source to the receiving sensor. However, waves in anisotropic solids propagate along curved lines and form non-circular wave fronts. As a result, for a highly anisotropic solid the acoustic source localization techniques that assume straight line propagation of waves from the source to the receiver are bound to produce a significant error...
April 7, 2017: Ultrasonics
https://www.readbyqxmd.com/read/28411308/the-effect-of-mir-200c-inhibition-on-chemosensitivity-5-fluorouracil-in-colorectal-cancer
#10
Korosh Heydari, Massoud Saidijam, Mohammad Reza Sharifi, Fatemeh Karimi Dermani, Sara Soleimani Asl, Nooshin Shabab, Rezvan Najafi
5-Fluorouracil (5-FU) as a chemotherapeutic drug is used to treat colorectal cancer (CRC). However, 5-FU is associated with acquired CRC resistance, which decreases the therapeutic potential of 5-FU. Several studies indicated that miR-200c is also involved in chemotherapeutic drug resistance, but the exact mechanism of miR-200c mediated chemoresistance has not yet been fully understood. In this study, we examined the effect of inhibition of miR-200c on the sensitivity of HCT-116 cells to 5-FU. HCT-116 cells were transfected with LNA-anti- miR-200c for 48 h...
April 14, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28411131/influence-of-n-acetyl-cysteine-on-beta-amyloid-induced-alzheimer-s-disease-in-a-rat-model-a-behavioral-and-electrophysiological-study
#11
Siamak Shahidi, Somayeh Zargooshnia, Sara Soleimani Asl, Alireza Komaki, Abdolrahman Sarihi
Alzheimer's disease is an age-related neurodegenerative disorder characterized by a progressive decline in cognitive function due to the extracellular accumulation and deposition of beta-amyloid peptide (Aβ). The purpose of this study was to evaluate the protective effect of N-acetyl cysteine (NAC) on learning and memory in an Aβ-induced Alzheimer's disease model in adult male rats, using behavioral and electrophysiological methods Thirty-five rats were divided into five groups: control, sham-operated, Aβ, Aβ+NAC (1-14days), and Aβ+NAC (14-28days)...
April 11, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28407510/implicit-co-activation-of-american-sign-language-in-deaf-readers-an-erp-study
#12
Gabriela Meade, Katherine J Midgley, Zed Sevcikova Sehyr, Phillip J Holcomb, Karen Emmorey
In an implicit phonological priming paradigm, deaf bimodal bilinguals made semantic relatedness decisions for pairs of English words. Half of the semantically unrelated pairs had phonologically related translations in American Sign Language (ASL). As in previous studies with unimodal bilinguals, targets in pairs with phonologically related translations elicited smaller negativities than targets in pairs with phonologically unrelated translations within the N400 window. This suggests that the same lexicosemantic mechanism underlies implicit co-activation of a non-target language, irrespective of language modality...
April 10, 2017: Brain and Language
https://www.readbyqxmd.com/read/28402004/the-vegf-gene-polymorphism-impacts-brain-volume-and-arterial-blood-volume
#13
Hikaru Takeuchi, Hiroaki Tomita, Yasuyuki Taki, Yoshie Kikuchi, Chiaki Ono, Zhiqian Yu, Atsushi Sekiguchi, Rui Nouchi, Yuka Kotozaki, Seishu Nakagawa, Carlos Makoto Miyauchi, Kunio Iizuka, Ryoichi Yokoyama, Takamitsu Shinada, Yuki Yamamoto, Sugiko Hanawa, Tsuyoshi Araki, Keiko Kunitoki, Yuko Sassa, Ryuta Kawashima
Vascular endothelial growth factor (VEGF) plays a critical role in the angiogenesis and proliferation of various types of cells such as neurons, astroglia, and endothelial cells in the brain. A common polymorphism in the VEGF gene (-2578 C/A) is associated with circulating VEGF levels, cancers and Alzheimer's disease. Nonetheless, the effects of this polymorphism on normal human brain volume, arterial blood volume, and blood supply remain unclear. In this study, the effects of this polymorphism on the total gray matter volume (TGMV) and total white matter volume (TWMV) using T1-weighted structural images and the total arterial blood volume (TABV) and mean cerebral blood flow (mCBF) during rest using arterial spin labeling (ASL) in 765 young adult humans were investigated...
April 12, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28397019/intra-arterial-high-signals-on-arterial-spin-labeling-perfusion-images-predict-the-occluded-internal-carotid-artery-segment
#14
Shu Sogabe, Junichiro Satomi, Yoshiteru Tada, Yasuhisa Kanematsu, Kazuyuki Kuwayama, Kenji Yagi, Shotaro Yoshioka, Yoshifumi Mizobuchi, Hideo Mure, Izumi Yamaguchi, Takashi Abe, Nobuaki Yamamoto, Keiko T Kitazato, Ryuji Kaji, Masafumi Harada, Shinji Nagahiro
PURPOSE: Arterial spin labeling (ASL) involves perfusion imaging using the inverted magnetization of arterial water. If the arterial arrival times are longer than the post-labeling delay, labeled spins are visible on ASL images as bright, high intra-arterial signals (IASs); such signals were found within occluded vessels of patients with acute ischemic stroke. The identification of the occluded segment in the internal carotid artery (ICA) is crucial for endovascular treatment. We tested our hypothesis that high IASs on ASL images can predict the occluded segment...
April 10, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28393659/variability-of-physiological-brain-perfusion-in-healthy-subjects-a-systematic-review-of-modifiers-considerations-for-multi-center-asl-studies
#15
Patricia Clement, Henk-Jan Mutsaerts, Lena Václavů, Eidrees Ghariq, Francesca B Pizzini, Marion Smits, Marjan Acou, Jorge Jovicich, Ritva Vanninen, Mervi Kononen, Roland Wiest, Egill Rostrup, António J Bastos-Leite, Elna-Marie Larsson, Eric Achten
Quantitative measurements of brain perfusion are influenced by perfusion-modifiers. Standardization of measurement conditions and correction for important modifiers is essential to improve accuracy and to facilitate the interpretation of perfusion-derived parameters. An extensive literature search was carried out for factors influencing quantitative measurements of perfusion in the human brain unrelated to medication use. A total of 58 perfusion modifiers were categorized into four groups. Several factors (e...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28393012/the-effect-of-repetitive-subconcussive-collisions-on-brain-integrity-in-collegiate-football-players-over-a-single-football-season-a-multi-modal-neuroimaging-study
#16
Semyon M Slobounov, Alexa Walter, Hans C Breiter, David C Zhu, Xiaoxiao Bai, Tim Bream, Peter Seidenberg, Xianglun Mao, Brian Johnson, Thomas M Talavage
The cumulative effect of repetitive subconcussive collisions on the structural and functional integrity of the brain remains largely unknown. Athletes in collision sports, like football, experience a large number of impacts across a single season of play. The majority of these impacts, however, are generally overlooked, and their long-term consequences remain poorly understood. This study sought to examine the effects of repetitive collisions across a single competitive season in NCAA Football Bowl Subdivision athletes using advanced neuroimaging approaches...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28392963/treatment-with-rutin-a-therapeutic-strategy-for-neutrophil-mediated-inflammatory-and-autoimmune-diseases-anti-inflammatory-effects-of-rutin-on-neutrophils
#17
Bahareh Abd Nikfarjam, Mohtaram Adineh, Farid Hajiali, Marjan Nassiri-Asl
OBJECTIVES: Neutrophils represent the front line of human defense against infections. Immediately after stimulation, neutrophilic enzymes are activated and produce toxic mediators such as pro-inflammatory cytokines, nitric oxide (NO) and myeloperoxidase (MPO). These mediators can be toxic not only to infectious agents but also to host tissues. Because flavonoids exhibit antioxidant and anti-inflammatory effects, they are subjects of interest for pharmacological modulation of inflammation...
March 2017: Journal of Pharmacopuncture
https://www.readbyqxmd.com/read/28386810/erratum-to-pulp-bleeding-color-is-an-indicator-of-clinical-and-histohematologic-status-of-primary-teeth
#18
Naser Asl Aminabadi, Marziyeh Parto, Parya Emamverdizadeh, Zahra Jamali, Sajjad Shirazi
No abstract text is available yet for this article.
April 7, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28383796/arterial-spin-labeling-mri-is-able-to-detect-early-hemodynamic-changes-in-diabetic-nephropathy
#19
José María Mora-Gutiérrez, Nuria Garcia-Fernandez, M Fernanda Slon Roblero, Jose A Páramo, F Javier Escalada, Danny Jj Wang, Alberto Benito, María A Fernández-Seara
PURPOSE: To investigate whether arterial spin labeling (ASL) MRI could detect renal hemodynamic impairment in diabetes mellitus (DM) along different stages of chronic kidney disease (CKD). MATERIALS AND METHODS: Three Tesla (3T) ASL-MRI was performed to evaluate renal blood flow (RBF) in 91 subjects (46 healthy volunteers and 45 type 2 diabetic patients). Patients were classified according to their estimated glomerular filtration rate (eGFR) as group I (eGFR > 60 mL/min/1...
April 6, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28383621/-violence-on-health-care-workers
#20
M Cannavò, N Fusaro, F Colaiuda, G Rescigno, M Fioravanti
OBJECTIVES: The Emergency Department (ED) is vulnerable for workplace violence, but little is known about this and its consequences. Objectives of this study were presence, characteristics and effects of violence from patients and visitors on health care workers in an Emergency Department (ED). MATERIALS AND METHODS: This study was about the Accident and Emergency Department, S. Pertini Hospital, (ASL RMB, Rome, Italy). Data were collected from November 2014 to January 2015 on frequency and type of violent behavior in the past five years experienced by staff members and their level of stress by an ad hoc questionnaire for the evaluation of violent events in health activities (QVS) and a questionnaire on perceived work-related stress (QES)...
March 2017: La Clinica Terapeutica
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