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https://www.readbyqxmd.com/read/28107517/high-emigration-propensity-and-low-mortality-on-transfer-drives-female-biased-dispersal-of-pyriglena-leucoptera-in-fragmented-landscapes
#1
Marcelo Awade, Carlos Candia-Gallardo, Cintia Cornelius, Jean Paul Metzger
Dispersal is a biological process performed in three stages: emigration, transfer and immigration. Intra-specific variation on dispersal behavior, such as sex-bias, is very common in nature, particularly in birds and mammals. However, dispersal is difficult to measure in the field and many hypotheses concerning the causes of sex-biased dispersal remain without empirical confirmation. An important limitation of most empirical studies is that inferences about sex-biased dispersal are based only on emigration proneness or immigration success data...
2017: PloS One
https://www.readbyqxmd.com/read/28107426/identification-of-micrornas-in-response-to-drought-in-common-wild-rice-oryza-rufipogon-griff-shoots-and-roots
#2
Jing-Wen Zhang, Yan Long, Man-de Xue, Xing-Guo Xiao, Xin-Wu Pei
BACKGROUND: Drought is the most important factor that limits rice production in drought-prone environments. Plant microRNAs (miRNAs) are involved in biotic and abiotic stress responses. Common wild rice (Oryza rufipogon Griff.) contains abundant drought-resistant genes, which provide an opportunity to explore these excellent resources as contributors to improve rice resistance, productivity, and quality. RESULTS: In this study, we constructed four small RNA libraries, called CL and CR from PEG6000-free samples and DL and DR from PEG6000-treated samples, where 'R' indicates the root tissue and 'L' indicates the shoot tissue...
2017: PloS One
https://www.readbyqxmd.com/read/28107038/prevalence-of-and-factors-associated-with-sarcopenia-in-korean-cancer-survivors-based-on-data-obtained-by-the-korea-national-health-and-nutrition-examination-survey-knhanes-2008-2011
#3
Eun Young Kim, Kirang Kim, Young Saing Kim, Hee Kyung Ahn, Yu Mi Jeong, Jeong Ho Kim, Won-Jun Choi
Using a representative dataset from the Korea National Health and Nutrition Examination Survey (KNHANES) from 2008 to 2011, we analyzed anthropometric and dual-energy X-ray absorptiometry (DXA)-determined body composition findings for 493 cancer survivors (mean age a61.1 ± 12.6 years; 35.7% male). A much higher proportion of men (30.1%) than women (0.6%) met the criteria of sarcopenia. Subjects with a history of lung cancer, genitourinary cancer, or gastric cancer were prone to develop sarcopenia (31.6%, 26...
January 20, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28107008/robust-sensitive-and-automated-phosphopeptide-enrichment-optimized-for-low-sample-amounts-applied-to-primary-hippocampal-neurons
#4
Harm Post, Renske Penning, Martin A Fitzpatrick, Luc B Garrigues, W Wu, Harold D MacGillavry, Casper C Hoogenraad, Albert J R Heck, A F Maarten Altelaar
Because of the low stoichiometry of protein phosphorylation, targeted enrichment prior to LC-MS/MS analysis is still essential. The trend in phosphoproteome analysis is shifting toward an increasing number of biological replicates per experiment, ideally starting from very low sample amounts, placing new demands on enrichment protocols to make them less labor-intensive, more sensitive, and less prone to variability. Here we assessed an automated enrichment protocol using Fe(III)-IMAC cartridges on an AssayMAP Bravo platform to meet these demands...
December 6, 2016: Journal of Proteome Research
https://www.readbyqxmd.com/read/28106335/competition-between-cation-solvent-and-cation-anion-interactions-in-imidazolium-ionic-liquids-with-polar-aprotic-solvents
#5
Bogdan A Marekha, Oleg N Kalugin, Marc Bria, Toshiyuki Takamuku, Slobodan Gadžurić, Abdenacer Idrissi
Subtle interplay between ion solvation and association was analyzed in mixtures of imidazolium-based ionic liquids (ILs) with polar aprotic solvents. Site-specific pattern of cation-solvent and cation-anion interactions was disclosed by means of a careful analysis of the 1H and 13C NMR chemical shift mixture composition dependence. It was established that less polar but more donating γ-butyrolactone is more prone to establish H-bonds with the imidazolium ring hydrogen atoms of IL cations than propylene carbonate, particularly at the H2 site and at high dilutions xIL < 0...
January 20, 2017: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/28105982/human-umbilical-cord-mesenchymal-stem-cells-inhibit-t-follicular-helper-cell-expansion-through-the-activation-of-inos-in-lupus-prone-b6-mrl-faslpr-mice
#6
Zhuoya Zhang, Ruihai Feng, Lingying Niu, Saisai Huang, Wei Deng, Bingyu Shi, Genhong Yao, Weiwei Chen, Xiaojun Tang, Xiang Gao, Xuebing Feng, Lingyun Sun
The aberrant generation or activation of T follicular helper (Tfh) cells contributes to the pathogenesis of systemic lupus erythematosus (SLE), yet little is known about how these cells are regulated. In this study, we demonstrated that the frequency of Tfh cells was increased in lupus-prone B6.MRL-<em>Fas<sup>lpr</sup></em> (B6.<em>lpr</em>) mice and positively correlated to plasma cell proportions and serum total IgG as well as anti-dsDNA antibody levels. Transplantation of human umbilical cord mesenchymal stem cells (UC-MSCs) ameliorated lupus symptoms in B6...
January 20, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28105964/bullying-and-victimization-the-effect-of-close-companionship
#7
Sabine A M Veldkamp, Elsje van Bergen, Eveline L de Zeeuw, Catharina E M van Beijsterveldt, Dorret I Boomsma, Meike Bartels
Peer bullying and victimization are a widespread phenomenon among school-age children and can have detrimental effects on the development of children. To examine whether having a close companion during childhood increases or decreases risk of victimization and bullying, this study compared twins to singleton children. A large group of twins (n = 9,909) were included who were compared to their related non-twin siblings (n = 1,534) aged 7-12 from the Netherlands Twin Register, thus creating optimal matching between twins and non-twins...
February 2017: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
https://www.readbyqxmd.com/read/28105697/association-of-hematocrit-with-blood-pressure-and-hypertension
#8
Marzieh Emamian, Seyed Mahdi Hasanian, Maryam Tayefi, Moniba Bijari, Faeze Movahedian Far, Mojtaba Shafiee, Amir Avan, Alireza Heidari-Bakavoli, Mohsen Moohebati, Mahmoud Ebrahimi, Sousan Darroudi, Parvin Zamani, Mahmoud Reza Azarpazhooh, Mohsen Nematy, Mohammad Safarian, Gordon A Ferns, Habibollah Esmaeili, Mohammad Reza Parizadeh, Majid Ghayour-Mobarhan
BACKGROUND: Hypertension (HTN) is a risk factor for stroke, renal failure, and cardiovascular disease. The association between biochemical and hematological parameters with high blood pressure may provide a more precise approach to risk prediction conferred by HTN in these patients. OBJECTIVE: The aim of current study was to explore whether biochemical and hematological parameters are associated with HTN in a cohort study with a 7-year follow-up. MATERIALS AND METHODS: A total of 9808 individuals were enrolled and recruited as part of the Mashhad Stroke and Heart Atherosclerotic Disorders (MASHAD) cohort study, and biochemical and hematological factors were measured in all subjects...
January 20, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28105670/the-role-of-shame-in-people-with-a-diagnosis-of-schizophrenia
#9
Nadine Keen, Darren George, Peter Scragg, Emmanuelle Peters
OBJECTIVES: To examine the role of shame and its relationship to depression in schizophrenia. It was predicted that individuals with a diagnosis of schizophrenia would exhibit higher levels of shame due to the stigma associated with their diagnosis, independently of depression levels, compared with psychiatric and medical control groups. DESIGN: Cross-sectional design with three groups: individuals with a diagnosis of (1) schizophrenia, (2) depression, and (3) rheumatoid arthritis...
January 19, 2017: British Journal of Clinical Psychology
https://www.readbyqxmd.com/read/28105580/pixel-based-dxa-derived-structural-properties-strongly-correlate-with-pqct-measures-at-the-one-third-distal-femur-site
#10
Alexander M Baker, David W Wagner, B Jenny Kiratli, Gary S Beaupre
While bone mineral density has been traditionally used to quantify fracture risk for individuals with spinal cord injuries, recent studies are including engineering measurements such as section modulus and cross sectional moment of inertia. These are almost exclusively calculated by peripheral QCT scanners which, unlike DXA scanners, are rarely found in clinical settings. Using fifty-four fresh frozen femora, we developed and validated a pixel-by-pixel method to calculate engineering properties at the distal femur using a Hologic QDR-1000 W DXA scanner and compared them against similar parameters measured using a Stratec XCT-3000 peripheral QCT scanner...
January 19, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28105477/the-role-of-tachysterol-in-vitamin-d-photosynthesis-a-non-adiabatic-molecular-dynamics-study
#11
Cecilia Cisneros, Travis Thompson, Noel Baluyot, Adam C Smith, Enrico Tapavicza
To investigate the role of tachysterol in the photophysical/photochemical regulation of vitamin D photosynthesis, we studied its electronic absorption properties and excited state dynamics using time-dependent density functional theory (TDDFT), second-order approximate coupled cluster theory (CC2), and non-adiabatic surface hopping molecular dynamics in the gas phase. In excellent agreement with experiments, the simulated electronic spectrum shows a broad absorption band with a remarkably higher extinction coefficient than the other vitamin D photoisomers provitamin D, lumisterol, and previtamin D...
January 20, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28105207/cisplatin-promotes-mesenchymal-like-characteristics-in-osteosarcoma-through-snail
#12
Shuo Fang, Ling Yu, Hongjun Mei, Jian Yang, Tian Gao, Anyuan Cheng, Weichun Guo, Kezhou Xia, Gaiwei Liu
More than 30% of patients with osteosarcoma succumb to pulmonary metastases. Epithelial-mesenchymal transition (EMT) is a biological process by which tumor cells gain an increased capacity for invasiveness and metastasis. A previous study confirmed the phenomenon of EMT in osteosarcoma, a mesenchymal-derived tumor. However, whether chemotherapy affects EMT remains to be elucidated. In the present study, the osteosarcoma cells were exposed to a sublethal dose of cisplatin, and any surviving cells were assumed to be more resistant to cisplatin...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28105082/genetic-diagnosis-and-treatment-of-a-chinese-ketosis-prone-mody-3-family-with-depression
#13
Jun Tang, Chen-Yi Tang, Fang Wang, Yue Guo, Hao-Neng Tang, Ci-La Zhou, Shu-Wen Tan, Shi-Ping Liu, Zhi-Guang Zhou, Hou-De Zhou
BACKGROUND: To analyze the gene mutation and mental disorder of a Chinese ketosis-prone diabetes (KPD) family, and to make a precise diagnosis and give a treatment for them. METHODS: We studied a Chinese family with a clinical diagnosis of maturity-onset diabetes of the young (MODY). The clinical data and the blood samples were collected. The promotor and coding regions inclusive intron exon boundaries of the HNF1A, HNF4A were detected by polymerase chain reaction (PCR) and direct sequencing...
2017: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/28104914/docosahexaenoic-acid-mediated-protein-aggregates-may-reduce-proteasome-activity-and-delay-myotube-degradation-during-muscle-atrophy-in-vitro
#14
Seung Kyun Shin, Ji Hyeon Kim, Jung Hoon Lee, Young Hoon Son, Min Wook Lee, Hak Joong Kim, Sue Ah Noh, Kwang Pyo Kim, In-Gyu Kim, Min Jae Lee
Proteasomes are the primary degradation machinery for oxidatively damaged proteins that compose a class of misfolded protein substrates. Cellular levels of reactive oxygen species increase with age and this cellular propensity is particularly harmful when combined with the age-associated development of various human disorders including cancer, neurodegenerative disease and muscle atrophy. Proteasome activity is reportedly downregulated in these disease conditions. Herein, we report that docosahexaenoic acid (DHA), a major dietary omega-3 polyunsaturated fatty acid, mediates intermolecular protein cross-linkages through oxidation, and the resulting protein aggregates potently reduce proteasomal activity both in vitro and in cultured cells...
January 20, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28104796/clonal-hematopoiesis-associated-with-tet2-deficiency-accelerates-atherosclerosis-development-in-mice
#15
José J Fuster, Susan MacLauchlan, María A Zuriaga, Maya N Polackal, Allison C Ostriker, Raja Chakraborty, Chia-Ling Wu, Soichi Sano, Sujatha Muralidharan, Cristina Rius, Jacqueline Vuong, Sophia Jacob, Varsha Muralidhar, Avril A B Robertson, Matthew A Cooper, Vicente Andrés, Karen K Hirschi, Kathleen A Martin, Kenneth Walsh
Human aging is associated with an increased frequency of somatic mutations in hematopoietic cells. Several of these recurrent mutations, including those in the gene encoding the epigenetic modifier enzyme TET2, promote expansion of the mutant blood cells. This "clonal hematopoiesis" correlates with an increased risk of atherosclerotic cardiovascular disease. Here we studied the effects of the expansion of Tet2-mutant cells in atherosclerosis-prone, low-density lipoprotein receptor-deficient (Ldlr-/-) mice. We found that partial bone marrow reconstitution with Tet2-deficient cells was sufficient for their clonal expansion and led to a marked increase in atherosclerotic plaque size...
January 19, 2017: Science
https://www.readbyqxmd.com/read/28104485/green-channel-autofluorescence-imaging-a-novel-and-sensitive-technique-to-delineate-infarcts
#16
Kang-Hoon Je, Wi-Sun Ryu, Su-Kyoung Lee, Eo Jin Kim, Jeong-Yeon Kim, Hee Jeong Jang, Jung E Park, Matthias Nahrendorf, Dawid Schellingerhout, Dong-Eog Kim
BACKGROUND: We have found that infarcted brain regions exhibit green channel autofluorescence (GCAF). Here, we compare ex vivo GCAF-imaging with 2,3,5-triphenylteterazolium chloride (TTC)-staining. NEW METHOD: C57BL/6 mice (n=120) underwent GCAF-imaging after transient or permanent middle cerebral artery occlusion (tMCAO or pMCAO). COMPARISON WITH EXISTING METHODS: TTC-staining may not reflect subtle ischemic injury. TTC-stained tissues, when reused, are prone to processing artifacts related to prior TTC-staining...
January 16, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28104328/isotopic-constraints-on-water-source-mixing-network-leakage-and-contamination-in-an-urban-groundwater-system
#17
F Grimmeisen, M F Lehmann, T Liesch, N Goeppert, J Klinger, J Zopfi, N Goldscheider
Water supply in developing countries is prone to large water losses due to leaky distribution networks and defective sewers, which may affect groundwater quality and quantity in urban areas and result in complex subsurface mixing dynamics. In this study, a multi-stable isotope approach was used to investigate spatiotemporal fluctuations of surface and sub-surface water source partitioning and mixing, and to assess nitrogen (N) contamination in the urban water cycle of As-Salt, Jordan. Water import from the King Abdullah Canal (KAC), mains waters from the network, and wastewater are characterized by distinct isotopic signatures, which allowed us to quantify city effluents into the groundwater...
January 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28103950/the-effects-of-ventilation-tubes-versus-no-ventilation-tubes-for-recurrent-acute-otitis-media-or-chronic-otitis-media-with-effusion-in-9-to-36%C3%A2-month-old-greenlandic-children-the-siutit-trial-study-protocol-for-a-randomized-controlled-trial
#18
Malene Nøhr Demant, Ramon Gordon Jensen, Janus Christian Jakobsen, Christian Gluud, Preben Homøe
BACKGROUND: The prevalence of otitis media in Greenlandic children is one of the highest in the world. International studies have shown that otitis-prone children may benefit from tubulation of the tympanic membrane. However, it is unknown whether these results can be applied to Greenlandic children and trials on the effects of ventilation tubes in high-risk populations have, to our knowledge, never been conducted. METHODS: The trial is an investigator-initiated, multicentre, randomized, blinded superiority trial of bilateral ventilation tube insertion versus treatment as usual (no tube) in Greenlandic children aged 9-36 months with chronic otitis media with effusion or recurrent acute otitis media...
January 19, 2017: Trials
https://www.readbyqxmd.com/read/28103770/integrating-multiple-receptor-conformation-docking-and-multi-dimensional-qsar-for-enhancing-accuracy-of-binding-affinity-prediction
#19
Vangala Radhika, Hassan Araimsh Jaraf, Sivan Sree Kanth, Manga Vijjulatha
BACKGROUND: The accuracy of molecular conformation for Quantitative Structure Activity Relationship (QSAR) studies is an important criteria, and the most favourable bioactive conformer selection is a tough task. Correct ligand alignment as input for 3D-QSAR is an important step that is prone to human biases. Multiple-dimensional QSAR (mQSAR) approach provides a promising alternative to classic 3D-QSAR for drug discovery purposes. OBJECTIVE: Obtaining ligand conformations from multiple receptor conformation docking (MRCD) will reduce the margin of error by incorporating the receptor based alignment of ligand conformations...
January 19, 2017: Current Computer-aided Drug Design
https://www.readbyqxmd.com/read/28103500/thoracoscopic-surgery-in-the-prone-position-for-esophageal-cancer-in-patients-with-situs-inversus-totalis-a-report-of-two-cases
#20
Toru Nakano, Takashi Kamei, Yu Onodera, Naoto Ujiie, Noriaki Ohuchi
INTRODUCTION: Situs inversus totalis (SIT) is a rare congenital condition characterized by a complete transposition of thoracic and abdominal organs. Here, we present two successful cases of left thoracoscopic esophagectomy in the prone position for SIT-associated esophageal cancer. PRESENTATION OF CASE: Our first case was of an 82-year-old man who underwent a left thoracoscopic esophagectomy in the prone position, followed by hand-assisted laparoscopic gastric mobilization...
January 6, 2017: International Journal of Surgery Case Reports
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