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https://www.readbyqxmd.com/read/28732438/investigation-of-killer-immunoglobulin-like-receptor-kir-and-hla-genotypes-to-predict-the-occurrence-of-acute-allograft-rejection-after-kidney-transplantation
#1
Davood Jafari, Mohsen Nafar, Mir Saeed Yekaninejad, Razieh Abdolvahabi, Mahboob Lesan Pezeshki, Efat Razaghi, Ali Akbar Amirzargar
After kidney transplantation, natural killer (NK) cells play a pivotal role in triggering the immune response to the allogeneic grafts primarily by their killer-cell immunoglobulin-like receptors (KIR). This process may be one mechanism that contributes to graft rejection. In this study, we have evaluated whether acute rejection after kidney transplantation was associated with predicted NK cell alloreactivity based on KIR gene and ligand along with KIR/HLA compound genotype analysis. After kidney transplantation, natural killer (NK) cells play a pivotal role in triggering the immune response to the allogeneic grafts primarily by their killer-cell immunoglobulin-like receptors (KIR)...
June 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28732366/rassf6-downregulation-promotes-the-epithelial-mesenchymal-transition-and-predicts-poor-prognosis-in-colorectal-cancer
#2
Rui Zhou, Lin Qiu, Xiaolong Liu, Lijuan Ling, Ninglei Li, Kun Zhou, Jingbo Sun, Jian Yan, Canliang Tan, Xiaoping Huang, Luzhe Han, Liangchun Yin, Gang Xiao, Lixin Liu
Distant metastasis is the primary barrier for the successful treatment of patients with colorectal cancer, and thus, searching for new therapeutic targets by further exploring the molecular mechanisms of colorectal cancer metastasis is important. In this study, we investigated the biological and clinical significance of RASSF6 in colorectal cancer as well as the underlying molecular mechanisms. We found that low RASSF6 expression corresponds to a poor prognosis in colorectal cancer patients, and low RASSF6 expression is distinctly associated with tumour progression...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732208/longitudinal-investigation-of-the-parietal-lobe-anatomy-in-bipolar-disorder-and-its-association-with-general-functioning
#3
Adele Ferro, Carolina Bonivento, Giuseppe Delvecchio, Marcella Bellani, Cinzia Perlini, Nicola Dusi, Veronica Marinelli, Mirella Ruggeri, A Carlo Altamura, Benedicto Crespo-Facorro, Paolo Brambilla
The parietal lobe (PL) supports cognitive domains, including attention and memory, which are impaired in bipolar disorder (BD). Although cross-sectional voxel-based morphometry studies found reduced PL grey matter (GM) in BD, none has longitudinally focused on PL anatomy in BD, relating it to patients' functioning. Thirty-eight right-handed BD patients and 42 matched healthy subjects (HS) underwent a Magnetic Resonance Imaging (MRI) scan at baseline. Seventeen BD patients and 16 matched HS underwent a follow-up MRI...
June 20, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28732175/genome-wide-identification-functional-prediction-and-evolutionary-analysis-of-r2r3-myb-superfamily-in-brassica-napus
#4
Ali Hajiebrahimi, Hajar Owji, Shiva Hemmati
R2R3-MYBs are important transcription factors (TFs) in planta, involved in development and various stress conditions. Phylogenetic analysis showed the presence of 249 R2R3-MYB TFs in Brassica napus called BnaR2R3-MYBs, clustered into 38 clades. BnaR2R3-MYBs were distributed on 19 chromosomes of B. napus. Sixteen gene clusters were identified. BnaR2R3-MYBs were characterized by motif prediction, gene structure analysis and gene ontology. Evolutionary analysis revealed that BnaR2R3-MYBs are mainly formed as a result of whole genome duplication...
July 21, 2017: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/28732143/ifnl4-rs368234815-and-rs117648444-variants-predict-off-treatment-hbsag-seroclearance-in-ifn-treated-hbeag-negative-chronic-hepatitis-b-patients
#5
Enrico Galmozzi, Floriana Facchetti, Glenda Grossi, Alessandro Loglio, Mauro Vigano, Giovanna Lunghi, Massimo Colombo, Pietro Lampertico
BACKGROUND AND AIM: Robust baseline predictors of interferon (IFN) response in HBeAg negative chronic hepatitis B (CHB) patients are not currently available. The recently described rs368234815 TT/ΔG dinucleotide and rs117648444 nonsynonymous P70S polymorphisms in IFN lambda 4 (IFNL4) gene, which are strongly associated with response to IFN in hepatitis C virus (HCV) infection, could be also useful in IFN treated CHB patients. Here we assessed whether IFNL4 rs368234815 and rs117648444 polymorphisms predict IFN induced HBsAg clearance in CHB patients...
July 21, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28732134/physical-functioning-pain-and-health-related-quality-of-life-in-adults-with-juvenile-idiopathic-arthritis-a-longitudinal-30-year-follow-up-study
#6
Anita Tollisen, Anne M Selvaag, Hanne A Aulie, Vibke Lilleby, Astrid Aasland, Anners Lerdal, Berit Flatø
OBJECTIVES: To describe physical functioning, pain, and health-related quality of life (HRQOL) in adults with Juvenile idiopathic arthritis (JIA), investigate changes over time, and identify predictors of poorer HRQOL after 30 years of disease duration. METHODS: Patients (N=176) clinically examined after 15 years were reassessed with the Health Assessment Questionnaire Disability Index (HAQ-DI), Visual Analogue Scale Pain (VAS pain) and Medical Outcome Study 36-item Short Form (SF-36) after 23 and 30 years...
July 21, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28732104/reciprocal-feedback-between-self-concept-and-goal-pursuit-in-daily-life
#7
Alexander E Wong, Robin R Vallacher
OBJECTIVE: We hypothesized that self-knowledge and goal-perseverance are mutually reinforcing because of the roles of self-knowledge in directing goal pursuit, and of goal pursuit in structuring the self-concept. METHOD: To test this hypothesis, we used a daily diary design with 97 college-aged participants for 40 days to assess whether daily self-concept clarity and grit predict one another's next day levels. Data were analyzed using multilevel cross-lagged panel modeling...
July 21, 2017: Journal of Personality
https://www.readbyqxmd.com/read/28732052/protein-asparagine-deamidation-prediction-based-on-structures-with-machine-learning-methods
#8
Lei Jia, Yaxiong Sun
Chemical stability is a major concern in the development of protein therapeutics due to its impact on both efficacy and safety. Protein "hotspots" are amino acid residues that are subject to various chemical modifications, including deamidation, isomerization, glycosylation, oxidation etc. A more accurate prediction method for potential hotspot residues would allow their elimination or reduction as early as possible in the drug discovery process. In this work, we focus on prediction models for asparagine (Asn) deamidation...
2017: PloS One
https://www.readbyqxmd.com/read/28732013/the-kp1_4563-gene-is-regulated-by-the-camp-receptor-protein-and-controls-type-3-fimbrial-function-in-klebsiella-pneumoniae-ntuh-k2044
#9
Mei Luo, Shiya Yang, Xuan Li, Pin Liu, Jian Xue, Xipeng Zhou, Kewen Su, Xuan Xu, Ying Qing, Jingfu Qiu, Yingli Li
Klebsiella pneumoniae (K. pneumoniae) is an opportunistic pathogen that can adhere to host cells or extracellular matrix via type 1 and type 3 fimbriae. KP1_4563 is a gene encoding a hypothetical protein in K. pneumoniae NTUH-K2044. KP1_4563 is located between the type 1 and type 3 fimbrial gene clusters and is likely associated with fimbrial function given its putative conserved domains of unknown function (DUF1471). Cyclic AMP receptor protein (CRP) regulates virulence-related gene expression and is a crucial transcriptional regulator in many bacteria...
2017: PloS One
https://www.readbyqxmd.com/read/28731942/geriatric-assessment-and-tools-for-predicting-treatment-toxicity-in-older-adults-with-cancer
#10
Daneng Li, Enrique Soto-Perez-de-Celis, Arti Hurria
Cancer is a disease of older adults, and the majority of new cancer cases and deaths occur in people 65 years or older. However, fewer data are available regarding the risks and benefits of cancer treatment in older adults, and commonly used assessments in oncology fail to adequately evaluate factors that affect treatment efficacy and outcomes in the older patients. The geriatric assessment is a multidisciplinary evaluation that provides detailed information about a patient's functional status, comorbidities, psychological state, social support, nutritional status, and cognitive function...
July 2017: Cancer Journal
https://www.readbyqxmd.com/read/28731922/a-novel-g-55040074delt-in-alas2-gene-resulting-in-a-monomeric-protein-and-severe-sideroblastic-anemia-phenotype
#11
Prateek Bhatia, Aditya Singh, Avani Hedge
Sideroblastic anemias are a rare group of disorders resulting from defective iron incorporation during heme synthesis and hence characterized by anemia and presence of ringed sideroblasts in bone marrow. The most common form is an X-linked disorder caused by mutations in ALAS2 gene. In the current paper, a case of X-linked sideroblastic anemia caused by a novel homozygous deletional mutation in exon 10 of ALAS2 gene is presented. The female infant developed moderately severe anemia at 6 months of age, which did not improve despite adequate nutritional support...
July 20, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28731793/phylogeny-traits-and-biodiversity-of-a-neotropical-bat-assemblage-close-relatives-show-similar-responses-to-local-deforestation
#12
Hannah K Frank, Luke O Frishkoff, Chase D Mendenhall, Gretchen C Daily, Elizabeth A Hadly
If species' evolutionary pasts predetermine their responses to evolutionarily novel stressors, then phylogeny could predict species survival in an increasingly human-dominated world. To understand the role of phylogenetic relatedness in structuring responses to rapid environmental change, we focused on assemblages of Neotropical bats, an ecologically diverse and functionally important group. We examined how taxonomic and phylogenetic diversity shift between tropical forest and farmland. We then explored the importance of evolutionary history by ascertaining whether close relatives share similar responses to environmental change and which species traits might mediate these trends...
August 2017: American Naturalist
https://www.readbyqxmd.com/read/28731723/dft-assisted-polymorph-identification-from-lattice-raman-fingerprinting
#13
Natalia Bedoya Martínez, Benedikt Schrode, Andrew O F Jones, Tommaso Salzillo, Christian Ruzié, Nicola Demitri, Yves Henri Geerts, Elisabetta Venuti, Raffaele Guido Della Valle, Egbert Zojer, Roland Resel
A combined experimental and theoretical approach, consisting of lattice phonon Raman spectroscopy and density functional theory (DFT) calculations, is proposed as a tool for lattice dynamics characterization and polymorph phase identification. To illustrate the reliability of the method, the lattice phonon Raman spectra of two polymorphs of the molecule 2,7-dioctyloxy[1]benzothieno[3,2-{\it b}]benzothiophene are investigated. We show that DFT calculations of the lattice vibrations based on the known crystal structures, including many body dispersion van der Waals (MBD-vdW) corrections, predict experimental data within an accuracy of $\ll$ 5 \ru{} ($\ll$ 0...
July 21, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28731559/association-between-anthropometric-measures-of-regional-fat-mass-and-heart-rate-variability-in-obese-women
#14
Marina Rastović, Biljana Srdić-Galić, Oto Barak, Edita Stokić
AIM: Impaired autonomic function could be the mechanism for the development of cardiometabolic diseases in obesity. Hence, simple anthropometric measures of overall and central obesity could be screening markers for autonomic imbalance. We analysed the relationship between heart rate variability (HRV) parameters and obesity indicators. METHODS: Sixty-three obese women underwent blood pressure, lipids and anthropometric measurements, body composition assessment, HOMA (homeostasis model assessment) index calculation and short-term HRV analysis...
February 2017: Nutrition & Dietetics: the Journal of the Dietitians Association of Australia
https://www.readbyqxmd.com/read/28731467/uncultivated-microbes-in-need-of-their-own-taxonomy
#15
Konstantinos T Konstantinidis, Ramon Rosselló-Móra, Rudolf Amann
The great majority of microbial species remains uncultured, severely limiting their taxonomic characterization and thus communication among scientists. Although Candidatus was devised as a provisional category to classify uncultured taxa, it has not been widely accepted owing to technical limitations and lack of priority of Candidatus names in the official nomenclature. High-throughput sequencing provides the potential for data-rich taxonomic descriptions of uncultivated microbes, comparable in quality to those of cultured organisms...
July 21, 2017: ISME Journal
https://www.readbyqxmd.com/read/28731451/novel-blood-based-biomarkers-of-cognition-stress-and-physical-or-cognitive-training-in-older-adults-at-risk-of-dementia-preliminary-evidence-for-a-role-of-bdnf-irisin-and-the-kynurenine-pathway
#16
Olivia C Küster, Daria Laptinskaya, Patrick Fissler, Cathrin Schnack, Martina Zügel, Verena Nold, Franka Thurm, Sina Pleiner, Alexander Karabatsiakis, Björn von Einem, Patrick Weydt, Andre Liesener, Andreas Borta, Alexander Woll, Bastian Hengerer, Iris-Tatjana Kolassa, Christine A F von Arnim
 Psychosocial stress and physical, cognitive, and social activity predict the risk of cognitive decline and dementia. The aim of this study was to elucidate brain-derived neurotrophic factor (BDNF), irisin, and the kynurenine pathway (KP) as potential underlying biological correlates. We evaluated associations of irisin and the KP with BDNF in serum and with cognition, stress, and activities. Furthermore, changes in serum concentrations of BDNF, irisin, and KP metabolites were investigated after physical or cognitive training...
July 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28731448/left-frontal-hub-connectivity-during-memory-performance-supports-reserve-in-aging-and-mild-cognitive-impairment
#17
Nicolai Franzmeier, Julia C Hartmann, Alexander Nw Taylor, Migeul A Araque Caballero, Lee Simon-Vermot, Katharina Buerger, Lana M Kambeitz-Ilankovic, Birgit Ertl-Wagner, Claudia Mueller, Cihan Catak, Daniel Janowitz, Robert Stahl, Martin Dichgans, Marco Duering, Michael Ewers
Reserve in aging and Alzheimer's disease (AD) is defined as maintaining cognition at a relatively high level in the presence of neurodegeneration, an ability often associated with higher education among other life factors. Recent evidence suggests that higher resting-state functional connectivity within the frontoparietal control network, specifically the left frontal cortex (LFC) hub, contributes to higher reserve. Following up these previous resting-state fMRI findings, we probed memory-task related functional connectivity of the LFC hub as a neural substrate of reserve...
July 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28731412/lung-sound-analysis-is-useful-for-monitoring-therapy-in-patients-with-bronchial-asthma
#18
T Shimoda, Y Obase, Y Nagasaka, H Nakano, R Kishikawa, T Iwanaga
BACKGROUND AND OBJECTIVE: Lung sound analysis (LSA) has been reported to be useful for predicting airway obstruction and inflammation in patients with bronchial asthma. Objectives: We examined whether the exhalation-to-inhalation sound pressure ratio in the middle frequency range (200-400 Hz) (E/I MF) is useful for monitoring therapy in patients with asthma. METHODS: The study population comprised 84 patients with mild to moderate asthma whose LSA data were available before and after 1 year of daily treatment with (budesonide 800 μg)...
2017: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/28731338/tunable-magnetism-and-extraordinary-sunlight-absorbance-in-indium-triphosphide-monolayer
#19
Naihua Miao, Bin Xu, Nicholas C Bristowe, Jian Zhou, Zhimei Sun
Atomically thin two-dimensional (2D) materials have received considerable research interest due to their extraordinary properties and promising applications. Here we predict the mono-layered indium triphosphide (InP3) as a new semiconducting 2D material with a range of favourable functional properties by means of ab initio calculations. The 2D InP3 crystal shows high stability and promise of experimental synthesis. It possesses an indirect band-gap of 1.14 eV and a high electron mobility of 1919 cm(2)V(-1)s(-1), which can be strongly manipulated with applied strain...
July 21, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28731330/mapping-functionally-important-residues-in-the-na-dicarboxylate-cotransporter-nadc1
#20
Claire Colas, Avner Schlessinger, Ana M Pajor
Transporters from the SLC13 family couple the transport of 2-4 Na+ ions with a di- or tricarboxylate, such as succinate or citrate. We have previously modeled mammalian SLC13 members including the Na+/dicarboxylate cotransporter NaDC1 (SLC13A2), based on a structure of the bacterial homolog VcINDY in an inward-facing conformation with one sodium ion bound at the Na1 site. In the present study, we modeled the outward-facing conformation of the rabbit and human NaDC1 (rbNaDC1 and hNaDC1) using an outward-facing model of VcINDY as a template, and identified residues in or near the putative Na2 and Na3 cation binding sites...
July 21, 2017: Biochemistry
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