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https://www.readbyqxmd.com/read/27913275/dietary-fish-oil-replacement-by-linseed-oil-effect-on-growth-nutrient-utilization-tissue-fatty-acid-composition-and-desaturase-gene-expression-in-silver-barb-puntius-gonionotus-fingerlings
#1
Madhusmita Nayak, Ashis Saha, Avinash Pradhan, Mrinal Samanta, Shiba Shankar Giri
Silver barb (Puntius gonionotus) is considered a promising medium carp species for freshwater aquaculture in Asia. This study in silver barb was carried out to evaluate the effects of total or partial substitution of dietary fish oil (FO) with linseed oil (LO) on growth, nutrient utilization, whole-body composition, muscle and liver fatty acid composition. Fish (12.1±0.4g of initial body weight) were fed for 60days with five experimental iso-proteinous, iso-lipidic and iso-caloric diets in which FO (control diet) was replaced by 33...
November 29, 2016: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/27911308/the-effects-of-gene-mutations-on%C3%A2-default%C3%A2-mode-network-in%C3%A2-familial%C3%A2-alzheimer-s-disease
#2
Xiaozhen Li, Eric Westman, Steinunn Thordardottir, Anne Kinhult Ståhlbom, Ove Almkvist, Kaj Blennow, Lars-Olof Wahlund, Caroline Graff
Familial Alzheimer's disease (FAD) mutations have very high penetrance but age at onset and rate of disease progression differ. Neuroimaging and cerebrospinal fluid (CSF) examinations in mutation carriers (MCs) may provide an opportunity to identify early biomarkers that can be used to track disease progression from presymptomatic to the dementia stages of disease. The default mode network (DMN) is a resting state neuronal network composed of regions known to associate with amyloid deposition in AD. We hypothesized that functional connectivity in the DMN might change at pre-clinical stages in FAD MCs and correlate with changes in CSF biomarkers as a consequence of AD brain pathology...
November 29, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27904784/high-foxred1-expression-predicted-good-prognosis-of-colorectal-cancer
#3
Weiqiang Fei, Shuiping Liu, Xiaotong Hu
The human FAD-dependent oxidoreductase domain containing 1 (FOXRED1) protein is reported as an assembly factor which promotes the correct assembly and stability of mitochondrial Complex I (CI). Alterations of mitochondrial CI might cause tumorigenesis and metastasis, but it's molecular mechanisms remain unclear. In this study, we selected 145 cases of colorectal cancer for immunohistochemistry to explore the role of FOXRED1 played in the tumor progression of colorectal cancer. The relationship between FOXRED1 expression and clinicopathological features of colorectal cancers was evaluated...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27901000/endoplasmic-reticulum-stress-induces-the-early-appearance-of-pro-apoptotic-and-anti-apoptotic-proteins-in-neurons-of-five-familial-alzheimer-s-disease-mice
#4
Hui Shen, Xiao-Dong Pan, Jing Zhang, Yu-Qi Zeng, Meng Zhou, Lu-Meng Yang, Bing Ye, Xiao-Man Dai, Yuan-Gui Zhu, Xiao-Chun Chen
BACKGROUND: Amyloid β (Aβ) deposits and the endoplasmic reticulum stress (ERS) are both well established in the development and progression of Alzheimer's disease (AD). However, the mechanism and role of Aβ-induced ERS in AD-associated pathological progression remain to be elucidated. METHODS: The five familial AD (5×FAD) mice and wild-type (WT) mice aged 2, 7, and 12 months were used in the present study. Morris water maze test was used to evaluate their cognitive performance...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27900703/the-treatment-of-distal-third-humeral-diaphyseal-fractures-is-there-still-a-place-for-the-external-fixation
#5
N Tartaglia, G Vicenti, M Carrozzo, A Abate, F Rifino, G Picca, G Solarino, B Moretti
INTRODUCTION: The treatment for humeral diaphyseal fractures is still controversial. The purpose of this study was to evaluate the clinical and radiographic outcomes of treating humeral distal third diaphyseal fractures by using external fixation technique. MATERIALS AND METHODS: We retrospectively review 65 cases of diaphyseal humeral fractures (31 type A, 23 type B and 11 type C of the AO/OTA classification) treated with external fixation (Orthofix FAD small) between 2008 and 2013...
December 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27899364/identification-of-shared-and-unique-serum-lipid-profiles-in-diabetes-mellitus-and-myocardial-infarction
#6
Sanela Kjellqvist, Christian Klose, Michal A Surma, George Hindy, Inês G Mollet, Anna Johansson, Patrick Chavaux, Johan Gottfries, Kai Simons, Olle Melander, Céline Fernandez
BACKGROUND: Diabetes mellitus (DM) and cardiovascular disease are associated with dyslipidemia, but the detailed lipid molecular pattern in both diseases remains unknown. METHODS AND RESULTS: We used shotgun mass spectrometry to determine serum levels of 255 molecular lipids in 316 controls, 171 DM, and 99 myocardial infarction (MI) events from a cohort derived from the Malmö Diet and Cancer study. Orthogonal projections to latent structures analyses were conducted between the lipids and clinical parameters describing DM or MI...
November 29, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27895979/optical-redox-ratio-identifies-metastatic-potential-dependent-changes-in-breast-cancer-cell-metabolism
#7
Kinan Alhallak, Lisa G Rebello, Timothy J Muldoon, Kyle P Quinn, Narasimhan Rajaram
The development of prognostic indicators of breast cancer metastatic risk could reduce the number of patients receiving chemotherapy for tumors with low metastatic potential. Recent evidence points to a critical role for cell metabolism in driving breast cancer metastasis. Endogenous fluorescence intensity of nicotinamide adenine dinucleotide (NADH) and flavin adenine dinucleotide (FAD) can provide a label-free method for assessing cell metabolism. We report the optical redox ratio of FAD/(FAD + NADH) of four isogenic triple-negative breast cancer cell lines with varying metastatic potential...
November 1, 2016: Biomedical Optics Express
https://www.readbyqxmd.com/read/27889476/yeast-and-carbon-nanotube-based-biocatalyst-developed-by-synergetic-effects-of-covalent-bonding-and-hydrophobic-interaction-for-performance-enhancement-of-membraneless-microbial-fuel-cell
#8
Marcelinus Christwardana, Yongchai Kwon
Membraneless microbial fuel cell (MFC) employing new microbial catalyst formed as yeast cultivated from Saccharomyces cerevisiae and carbon nanotube (yeast/CNT) is suggested. To analyze its catalytic activity and performance and stability of MFC, several characterizations are performed. According to the characterizations, the catalyst shows excellent catalytic activities by facile transfer of electrons via reactions of NAD, FAD, cytochrome c and cytochrome a3, while it induces high maximum power density (MPD) (344mW·m(-2))...
November 16, 2016: Bioresource Technology
https://www.readbyqxmd.com/read/27864152/the-flavinyl-transferase-apbe-of-pseudomonas-stutzeri-matures-the-nosr-protein-required-for-nitrous-oxide-reduction
#9
Lin Zhang, Christian Trncik, Susana L A Andrade, Oliver Einsle
The copper-containing enzyme nitrous oxide reductase (N2OR) catalyzes the transformation of nitrous oxide (N2O) to dinitrogen (N2) in microbial denitrification. Several accessory factors are essential for assembling the two copper sites CuA and CuZ, and for maintaining the activity. In particular, the deletion of either the transmembrane iron-sulfur flavoprotein NosR or the periplasmic protein NosX, a member of the ApbE family, abolishes N2O respiration. Here we demonstrate through biochemical and structural studies that the ApbE protein from Pseudomonas stutzeri, where the nosX gene is absent, is a monomeric FAD-binding protein that can serve as the flavin donor for NosR maturation via covalent flavinylation of a threonine residue...
November 15, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27861185/three-dimensional-printing-changing-clinical-care-or-just-a-passing-fad
#10
Justin Ryan, Chelsea Gregg, David Frakes, Stephen Pophal
PURPOSE OF REVIEW: Advances in medical imaging and three-dimensional (3D) reconstruction software have enabled a proliferation of 3D modeling and 3D printing for clinical applications. In particular, 3D printing has garnered an extraordinary media presence over the past few years. There is growing optimism that 3D printing can address patient specificity and complexity for improved interventional and surgical planning. Will this relatively untested technology bring about a paradigm shift in the clinical environment, or is it just a transient fad? RECENT FINDINGS: Case studies and series centered around 3D printing are omnipresent in clinical and engineering journals...
January 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/27854289/contribution-of-the-hair-follicular-pathway-to-total-skin-permeation-of-topically-applied-and-exposed-chemicals
#11
Fadli Mohd, Hiroaki Todo, Masato Yoshimoto, Eddy Yusuf, Kenji Sugibayashi
Generally, the blood and skin concentration profiles and steady-state skin concentration of topically applied or exposed chemicals can be calculated from the in vitro skin permeation profile. However, these calculation methods are particularly applicable to chemicals for which the main pathway is via the stratum corneum. If the contribution of hair follicles to the total skin permeation of chemicals can be obtained in detail, their blood and skin concentrations can be more precisely predicted. In the present study, the contribution of the hair follicle pathway to the skin permeation of topically applied or exposed chemicals was calculated from the difference between their permeability coefficients through skin with and without hair follicle plugging, using an in vitro skin permeation experiment...
November 15, 2016: Pharmaceutics
https://www.readbyqxmd.com/read/27845917/what-makes-proteins-work-exploring-life-in-p-t-x
#12
Toshiko Ichiye
Although considerable progress has been made in the molecular biophysics of proteins, it is still not possible to reliably design an enzyme for a given function. The current understanding of enzyme function is that both structure and flexibility are important. Much attention has been focused recently on protein folding and thus structure, spurred on by insights from the folding funnel concept. For experimental studies of protein folding, variations in temperature (T) and chemical composition (X) of the solution have been traditionally exploited, although more recent studies using variations in pressure (P) made possible through new instrumentation have led to a deeper understanding of the energy landscape of protein folding...
November 15, 2016: Physical Biology
https://www.readbyqxmd.com/read/27845749/unsaturated-lipids-change-in-olive-tree-drupe-and-seed-during-fruit-development-and-in-response-to-cold-stress-and-acclimation
#13
REVIEW
Simone D'Angeli, Maria Maddalena Altamura
The olive tree is a plant of economic value for the oil of its drupe. It is a cultigen complex composed of genotypes with differences in cold-hardiness. About 90% of the oil is stored in oil bodies (OBs) in the drupe during the oleogenic phase. Phenols and lipids contribute to oil quality, but the unsaturated fatty acid (FA) fraction is emerging as the most important for quality, because of the very high content in oleic acid, the presence of ω6-linoleic acid and ω3-linolenic acid, and the very low saturated FA content...
November 12, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27845672/gpu-based-point-cloud-superpositioning-for-structural-comparisons-of-protein-binding-sites
#14
Matthias Leinweber, Thomas Fober, Bernd Freisleben
In this paper, we present a novel approach to solve the labeled point cloud superpositioning problem for performing structural comparisons of protein binding sites. The solution is based on a parallel evolution strategy that operates on large populations and runs on GPU hardware. The proposed evolution strategy reduces the likelihood of getting stuck in a local optimum of the multimodal real-valued optimization problem represented by labeled point cloud superpositioning. The performance of the GPU-based parallel evolution strategy is compared to a previously proposed CPU-based sequential approach for labeled point cloud superpositioning, indicating that the GPU-based parallel evolution strategy leads to qualitatively better results and significantly shorter runtimes, with speed improvements of up to a factor of 1,500 for large populations...
November 7, 2016: IEEE/ACM Transactions on Computational Biology and Bioinformatics
https://www.readbyqxmd.com/read/27836372/children-with-hepatitis-c-the-impact-of-disease-and-treatment-on-patients-caregivers-and-families
#15
Rachel A Annunziato, Samantha G Lee, Elizabeth Galici, Ronen Arnon
: Previous research on children with HCV has examined patient psychosocial outcomes but little is known about the impact of HCV and its prolonged treatment, which includes weekly injections and oral medications for 6-12 months, on caregivers and families. The present study aimed to address this gap. DESIGN AND METHODS: Using a case series design (N=10), baseline distress levels of individuals and families as well as changes during HCV treatment were examined. A brief patient, caregiver, and family assessment packet was given before and immediately after treatment, but before the final outcome of treatment was known...
November 8, 2016: Journal of Pediatric Nursing
https://www.readbyqxmd.com/read/27836335/a-novel-presenilin-1-mutation-f388l-identified-in-a-chinese-family-with-early-onset-alzheimer-s-disease
#16
Yihong Zhan, Honghua Zheng, Chen Wang, Zhouyi Rong, Naian Xiao, Qilin Ma, Yun-Wu Zhang
A subset of Alzheimer's disease (AD) occurrence shows autosomal dominant, familial inheritance patterns. Such familial AD (FAD) are caused by mutations in APP, PSEN1, and PSEN2 genes, which encode amyloid-β (Aβ) precursor protein, presenilin 1 (PS1), and presenilin 2 (PS2), respectively. Here, we report a novel PSEN1 mutation (c.1164C > G, p.F388L, mutation nomenclature according to National Center for Biotechnology Information Reference Sequence: NM_000021.3) occurring in a Chinese family with early-onset AD and cosegregating with affected family members...
October 15, 2016: Neurobiology of Aging
https://www.readbyqxmd.com/read/27830466/engineering-styrene-monooxygenase-for-biocatalysis-reductase-epoxidase-fusion-proteins
#17
Thomas Heine, Kathryn Tucker, Nonye Okonkwo, Berhanegebriel Assefa, Catleen Conrad, Anika Scholtissek, Michael Schlömann, George Gassner, Dirk Tischler
The enantioselective epoxidation of styrene and related compounds by two-component styrene monooxygenases (SMOs) has targeted these enzymes for development as biocatalysts. In the present work, we prepare genetically engineered fusion proteins that join the C-terminus of the epoxidase (StyA) to the N-terminus of the reductase (StyB) through a linker peptide and demonstrate their utility as biocatalysts in the synthesis of Tyrain purple and other indigoid dyes. A single-vector expression system offers a simplified platform for transformation and expansion of the catalytic function of styrene monooxygenases, and the resulting fusion proteins are self-regulated and couple efficiently NADH oxidation to styrene epoxidation...
November 9, 2016: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/27826346/comparison-of-transcatheter-atrial-septal-defect-closure-in-children-adolescents-and-adults-differences-challenges-and-short-mid-and-long-term-results
#18
Turkay Saritas, Ilker Kemal Yucel, Ibrahim Halil Demir, Fadli Demir, Abdullah Erdem, Ahmet Celebi
BACKGROUND AND OBJECTIVES: This study aims to compare the characteristics, effectiveness and results of transcatheter closure of atrial septal defect between children, adolescents, and adults. SUBJECTS AND METHODS: In this study, 683 patients who underwent atrial septal defect closure in the last 10 years were divided into three groups: children (age <12), adolescents (age 12 to 16), and adults (age >16) as group 1, group 2 and group 3, respectively. RESULTS: The average defect size and incidence of complex atrial septal defect were higher in group 3 (p=0...
November 2016: Korean Circulation Journal
https://www.readbyqxmd.com/read/27825927/flavin-dependent-methylation-of-rnas-complex-chemistry-for-a-simple-modification
#19
REVIEW
Djemel Hamdane, Henri Grosjean, Marc Fontecave
RNA methylation is the most abundant and evolutionarily conserved chemical modification of bases or ribose in noncoding and coding RNAs. This rather simple modification has nevertheless major consequences on the function of maturated RNA molecules and ultimately on their cellular fates. The methyl group employed in the methylation is almost universally derived from S-adenosyl-L-methionine via a simple SN2 displacement reaction. However, in some rare cases, the carbon originates from N5,N10-methylenetetrahydrofolate (CH2=THF)...
November 5, 2016: Journal of Molecular Biology
https://www.readbyqxmd.com/read/27818101/defining-nadh-driven-allostery-regulating-apoptosis-inducing-factor
#20
Chris A Brosey, Chris Ho, Winnie Z Long, Sukrit Singh, Kathryn Burnett, Greg L Hura, Jay C Nix, Gregory R Bowman, Tom Ellenberger, John A Tainer
Apoptosis-inducing factor (AIF) is critical for mitochondrial respiratory complex biogenesis and for mediating necroptotic parthanatos; these functions are seemingly regulated by enigmatic allosteric switching driven by NADH charge-transfer complex (CTC) formation. Here, we define molecular pathways linking AIF's active site to allosteric switching regions by characterizing dimer-permissive mutants using small-angle X-ray scattering (SAXS) and crystallography and by probing AIF-CTC communication networks using molecular dynamics simulations...
November 2, 2016: Structure
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