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https://www.readbyqxmd.com/read/28545114/different-adaptation-strategies-of-two-citrus-scion-rootstock-combinations-in-response-to-drought-stress
#1
Joadson Dutra de Souza, Edson Mario de Andrade Silva, Mauricio Antônio Coelho Filho, Raphaël Morillon, Diego Bonatto, Fabienne Micheli, Abelmon da Silva Gesteira
Scion/rootstock interaction is important for plant development and for breeding programs. In this context, polyploid rootstocks presented several advantages, mainly in relation to biotic and abiotic stresses. Here we analyzed the response to drought of two different scion/rootstock combinations presenting different polyploidy: the diploid (2x) and autotetraploid (4x) Rangpur lime (Citrus limonia, Osbeck) rootstocks grafted with 2x Valencia Delta sweet orange (Citrus sinensis) scions, named V/2xRL and V/4xRL, respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28545099/fine-particles-in-homes-of-predominantly-low-income-families-with-children-and-smokers-key-physical-and-behavioral-determinants-to-inform-indoor-air-quality-interventions
#2
Neil E Klepeis, John Bellettiere, Suzanne C Hughes, Benjamin Nguyen, Vincent Berardi, Sandy Liles, Saori Obayashi, C Richard Hofstetter, Elaine Blumberg, Melbourne F Hovell
Children are at risk for adverse health outcomes from occupant-controllable indoor airborne contaminants in their homes. Data are needed to design residential interventions for reducing low-income children's pollutant exposure. Using customized air quality monitors, we continuously measured fine particle counts (0.5 to 2.5 microns) over a week in living areas of predominantly low-income households in San Diego, California, with at least one child (under age 14) and at least one cigarette smoker. We performed retrospective interviews on home characteristics, and particle source and ventilation activities occurring during the week of monitoring...
2017: PloS One
https://www.readbyqxmd.com/read/28544954/long-term-attention-deficits-combined-with-subcortical-and-cortical-structural-central-nervous-system-alterations-in-young-adults-born-small-for-gestational-age
#3
Sabrina Suffren, Diego Angulo, Yang Ding, Pablo Reyes, Jorge Marin, Jose T Hernandez, Nathalie Charpak, Gregory A Lodygensky
BACKGROUND: Being born small for gestational age has been associated with neurodevelopmental disabilities and smaller gray matter volumes in childhood. However, it is not known if these changes persist in adults and whether SGA has any impact on attention memory and IQ. AIMS: The goal of this study was to evaluate the association between birth weight and gray matter anatomy in adults born small for gestational age at term, in relation to IQ, attention and memory...
May 22, 2017: Early Human Development
https://www.readbyqxmd.com/read/28544122/pupal-emergence-pattern-in-cactophilic-drosophila-and-the-effect-of-host-plants
#4
Eduardo M Soto, Julián Padró, Pablo Milla Carmona, Diego T Tuero, Valeria P Carreira, Ignacio M Soto
Drosophila buzzatii and D. koepferae are sibling cactophilic species. The former breeds primarily on prickly pears (genus Opuntia) whereas the latter breeds on columnar cacti of the genera Cereus and Trichocereus, although with certain degree of niche overlapping. We examined the interspecific differences in diurnal temporal patterns of adult emergence from puparia and evaluated whether this behavior is affected by rearing in the different cactus hosts available in nature. We detected important host-dependent genetic variation for this trait differentially affecting the emergence schedule of these species...
May 23, 2017: Insect Science
https://www.readbyqxmd.com/read/28543930/further-analysis-of-acute-antinociceptive-and-anti-inflammatory-actions-of-4-phenylselenyl-7-chloroquinoline-in-mice
#5
Vanessa D G Silva, Angélica S Reis, Mikaela Pinz, Caren A R da Fonseca, Luis Fernando B Duarte, Juliano A Roehrs, Diego Alves, Cristiane Luchese, Ethel A Wilhelm
A new quinoline containing selenium, 4-phenylselenyl-7-chloroquinoline (4-PSQ), was described and synthetized by our research group. Recently, we demonstrated the potential antinociceptive and anti-inflammatory of 4-PSQ. For this reason, the first objective of this study was to expand our previous findings by investigating the contribution of glutamatergic, serotonergic and nitrergic systems to the acute antinociceptive action of this compound. Pretreatment with 4-PSQ (0.01-25 mg/kg, p.o.) reduced the nociception induced by glutamate...
May 23, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28543880/the-role-of-the-co-activation-and-ligand-functionalization-in-neutral-methallyl-nickel-ii-catalysts-for-oligomerization-and-polymerization-of-ethylene
#6
Daniela E Ortega, Diego Cortés-Arriagada, Oleksandra S Trofymchuk, Diana Yepes, Soledad Gutierrez-Oliva, René S Rojas, Alejandro Toro-Labbe
It is presented a detailed quantum chemical study analyzing the mechanism of ethylene oligomerization and polymerization by means of a family of four neutral methallyl NiII catalysts. The role of the boron co-activators [BF₃ or B(C₆F₅)₃] and ligand functionalization (in ortho or para position of the N-arylcyano moiety of the catalysts) was investigated to explain the chain length of the obtained polymers. The chain initialization proceeds with higher activation barriers for the ortho functionalized complexes (19 kcal mol¯¹) compared to the para isomers (17-18 kcal mol¯¹)...
May 24, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28542526/leishmania-enriettii-muniz-medina-1948-a-highly-diverse-parasite-is-here-to-stay
#7
Larissa F Paranaiba, Lucélia J Pinheiro, Ana C Torrecilhas, Diego H Macedo, Armando Menezes-Neto, Wagner L Tafuri, Rodrigo P Soares
No abstract text is available yet for this article.
May 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28540067/utility-of-cardiac-magnetic-resonance-for-evaluation-of-mitral-regurgitation-prior-to-mitral-valve-surgery
#8
REVIEW
Neil K Mehta, Jiwon Kim, Jonathan Y Siden, Sara Rodriguez-Diego, Javid Alakbarli, Antonino Di Franco, Jonathan W Weinsaft
Mitral regurgitation (MR) is a common cause of morbidity worldwide and an accepted indication for interventional therapies which aim to reduce or resolve adverse clinical outcomes associated with MR. Cardiac magnetic resonance (CMR) provides highly accurate means of assessing MR, including a variety of approaches that can measure MR based on quantitative flow. Additionally, CMR is widely accepted as a reference standard for cardiac chamber quantification, enabling reliable detection of subtle changes in cardiac chamber size and function so as to guide decision-making regarding timing of mitral valve directed therapies...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28539933/mal-de-r%C3%A3-o-cuarto-virus-infection-triggers-the-production-of-distinctive-viral-derived-sirna-profiles-in-wheat-and-its-planthopper-vector
#9
Luis A de Haro, Analía D Dumón, María F Mattio, Evangelina Beatriz Argüello Caro, Gabriela Llauger, Diego Zavallo, Hervé Blanc, Vanesa C Mongelli, Graciela Truol, María-Carla Saleh, Sebastián Asurmendi, Mariana Del Vas
Plant reoviruses are able to multiply in gramineae plants and delphacid vectors encountering different defense strategies with unique features. This study aims to comparatively assess alterations of small RNA (sRNA) populations in both hosts upon virus infection. For this purpose, we characterized the sRNA profiles of wheat and planthopper vectors infected by Mal de Río Cuarto virus (MRCV, Fijivirus, Reoviridae) and quantified virus genome segments by quantitative reverse transcription PCR We provide evidence that plant and insect silencing machineries differentially recognize the viral genome, thus giving rise to distinct profiles of virus-derived small interfering RNAs (vsiRNAs)...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28539911/the-use-of-functional-electrical-stimulation-on-the-upper-limb-and-interscapular-muscles-of-patients-with-stroke-for-the-improvement-of-reaching-movements-a-feasibility-study
#10
Alicia Cuesta-Gómez, Francisco Molina-Rueda, Maria Carratala-Tejada, Eukene Imatz-Ojanguren, Diego Torricelli, Juan Carlos Miangolarra-Page
INTRODUCTION: Reaching movements in stroke patients are characterized by decreased amplitudes at the shoulder and elbow joints and greater displacements of the trunk, compared to healthy subjects. The importance of an appropriate and specific contraction of the interscapular and upper limb (UL) muscles is crucial to achieving proper reaching movements. Functional electrical stimulation (FES) is used to activate the paretic muscles using short-duration electrical pulses. OBJECTIVE: To evaluate whether the application of FES in the UL and interscapular muscles of stroke patients with motor impairments of the UL modifies patients' reaching patterns, measured using instrumental movement analysis systems...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28538845/-spatial-analysis-of-gestational-anemia-in-peru-2015
#11
Akram Hernández-Vásquez, Diego Azañedo, Daniel A Antiporta, Sandra Cortés
Objectives: To establish regional prevalences of anemia in pregnant women receiving care at public clinics in Peru in 2015 and identify high-prevalence district conglomerates. Materials and Methods: An ecological study was carried out on data from pregnant women with anemia registered on the Nutritional Status Information System (SIEN) who received care in 7703 public clinics in 2015. Regional and district prevalences of gestational anemia were calculated. District conglomerates with a high prevalence of gestational anemia were identified using the Moran Index...
January 2017: Revista Peruana de Medicina Experimental y Salud Pública
https://www.readbyqxmd.com/read/28538732/cps1-maintains-pyrimidine-pools-and-dna-synthesis-in-kras-lkb1-mutant-lung-cancer-cells
#12
Jiyeon Kim, Zeping Hu, Ling Cai, Kailong Li, Eunhee Choi, Brandon Faubert, Divya Bezwada, Jaime Rodriguez-Canales, Pamela Villalobos, Yu-Fen Lin, Min Ni, Kenneth E Huffman, Luc Girard, Lauren A Byers, Keziban Unsal-Kacmaz, Christopher G Peña, John V Heymach, Els Wauters, Johan Vansteenkiste, Diego H Castrillon, Benjamin P C Chen, Ignacio Wistuba, Diether Lambrechts, Jian Xu, John D Minna, Ralph J DeBerardinis
Metabolic reprogramming by oncogenic signals promotes cancer initiation and progression. The oncogene KRAS and tumour suppressor STK11, which encodes the kinase LKB1, regulate metabolism and are frequently mutated in non-small-cell lung cancer (NSCLC). Concurrent occurrence of oncogenic KRAS and loss of LKB1 (KL) in cells specifies aggressive oncological behaviour. Here we show that human KL cells and tumours share metabolomic signatures of perturbed nitrogen handling. KL cells express the urea cycle enzyme carbamoyl phosphate synthetase-1 (CPS1), which produces carbamoyl phosphate in the mitochondria from ammonia and bicarbonate, initiating nitrogen disposal...
May 24, 2017: Nature
https://www.readbyqxmd.com/read/28538696/immune-components-in-human-milk-are-associated-with-early-infant-immunological-health-outcomes-a-prospective-three-country-analysis
#13
Daniel Munblit, Marina Treneva, Diego G Peroni, Silvia Colicino, Li Yan Chow, Shobana Dissanayeke, Alexander Pampura, Attilio L Boner, Donna T Geddes, Robert J Boyle, John O Warner
The role of breastfeeding in improving allergy outcomes in early childhood is still unclear. Evidence suggests that immune mediators in human milk (HM) play a critical role in infant immune maturation as well as protection against atopy/allergy development. We investigated relationships between levels of immune mediators in colostrum and mature milk and infant outcomes in the first year of life. In a large prospective study of 398 pregnant/lactating women in the United Kingdom, Russia and Italy, colostrum and mature human milk (HM) samples were analysed for immune active molecules...
May 24, 2017: Nutrients
https://www.readbyqxmd.com/read/28537765/factors-associated-with-sleep-duration-in-brazilian-high-school-students
#14
Érico Pereira Gomes Felden, Diego Grasel Barbosa, Geraldo Jose Ferrari Junior, Manoella De Oliveira Santos, Andreia Pelegrini, Diego Augusto Santos Silva
The aim of this study was to investigate the factors associated with short sleep duration on southern Brazilian high school students. Our study was comprised of 1,132 adolescents aged 14 to 19 years, enrolled in public high schools in São José, Brazil. The students answered a questionnaire about working (work and workload), health perception, smoking, school schedule, sleep (duration and daytime sleepiness), and socio-demographics data. The results showed that more than two thirds of adolescent workers had short sleep duration (76...
May 24, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28537352/is-pseudotumor-cerebri-an-unusual-expression-of-chiari-syndrome-a-case-report-and-review-of-the-literature
#15
Paolo Pacca, Roberto Altieri, Francesco Zenga, Diego Garbossa, Alessandro Ducati, Michele Lanotte
The Chiari I malformation (CM-I) is a developmental alteration of the posterior cranial fossa (PCF), radiographically defined as the descent of the cerebellar tonsils = 5 mm below the foramen magnum (FM) inside the cervical canal. Headache is the most frequent symptom associated with CM-I. The association of CM-I and neurological symptoms configures with Chiari syndrome. A rare symptom associated with Chiari syndrome is intracranial hypertension syndrome with cephalea and papilloedema-the typical findings of pseudotumor cerebri (PTC)...
May 24, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28536818/bayesian-bivariate-survival-analysis-using-the-power-variance-function-copula
#16
Jose S Romeo, Renate Meyer, Diego I Gallardo
Copula models have become increasingly popular for modelling the dependence structure in multivariate survival data. The two-parameter Archimedean family of Power Variance Function (PVF) copulas includes the Clayton, Positive Stable (Gumbel) and Inverse Gaussian copulas as special or limiting cases, thus offers a unified approach to fitting these important copulas. Two-stage frequentist procedures for estimating the marginal distributions and the PVF copula have been suggested by Andersen (Lifetime Data Anal 11:333-350, 2005), Massonnet et al...
May 23, 2017: Lifetime Data Analysis
https://www.readbyqxmd.com/read/28536662/identification-of-abnormal-biliary-anatomy-utilizing-real-time-near-infrared-cholangiography-a-report-of-two-cases
#17
Joseph Bozzay, Diego Vicente, Elliot M Jessie, Carlos J Rodriguez
Biliary duct anomalies are commonly encountered during laparoscopic cholecystectomy. Advancements in the field of surgery allow for enhanced intraoperative detection of these abnormalities. Fluorophore injection and near-infrared (NIR) imaging can provide real-time intraoperative anatomic feedback without intraoperative delays and ionizing radiation. This report details two cases where the PINPOINT Endoscopic Fluorescence Imaging System (NOVADAQ, Ontario, Canada) was used to identify anomalies of the biliary tree and guide operative decision-making...
2017: Case Reports in Gastrointestinal Medicine
https://www.readbyqxmd.com/read/28536578/expansion-of-cd25-negative-forkhead-box-p3-positive-t-cells-during-hiv-and-mycobacterium-tuberculosis-infection
#18
Matías T Angerami, Guadalupe V Suarez, María B Vecchione, Natalia Laufer, Diego Ameri, Graciela Ben, Hector Perez, Omar Sued, Horacio Salomón, María F Quiroga
Tuberculosis (TB) and HIV alter the immune system, and coinfected (HIV-TB) individuals usually present deregulations of T-lymphocytic immune response. We previously observed an increased frequency of "unconventional" CD4(+)CD25(-)FoxP3(+) Treg (uTreg) population during HIV-TB disease. Therefore, we aimed to explore the phenotype and function of uTreg and conventional CD4(+)CD25(+)FoxP3(+) Treg subsets (cTreg) in this context. We evaluated the expression of CD39, programmed cell death protein 1 (PD1), glucocorticoid-induced tumor necrosis factor receptor (GITR), and the effector/memory distribution by flow cytometry in cTreg and uTreg...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28536541/revisiting-the-link-between-job-satisfaction-and-life-satisfaction-the-role-of-basic-psychological-needs
#19
Wenceslao Unanue, Marcos E Gómez, Diego Cortez, Juan C Oyanedel, Andrés Mendiburo-Seguel
The link between job satisfaction and life satisfaction has been extensively explored in the relevant literature. However, the great majority of past research has been carried out using cross-sectional analyses, and almost exclusively in the Western world. Moreover, the underlying psychological mechanisms explaining the link are not yet completely understood. Thus, we report the first research to date which uses both cross-sectional and longitudinal data among workers in Chile-a fast-developing Latin American economy-and which aims to tackle previous limitations...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28535277/sensory-impairments-and-cognitive-function-in-middle-aged-adults
#20
Carla R Schubert, Karen J Cruickshanks, Mary E Fischer, Yanjun Chen, Barbara E K Klein, Ronald Klein, A Alex Pinto
Background: Hearing, visual, and olfactory impairments have been associated with cognitive impairment in older adults but less is known about associations with cognitive function in middle-aged adults. Methods: Sensory and cognitive functions were measured on participants in the baseline examination (2005-2008) of the Beaver Dam Offspring Study. Cognitive function was measured with the Trail Making tests A (TMTA) and B (TMTB) and the Grooved Peg Board test. Pure-tone audiometry, Pelli-Robson letter charts, and the San Diego Odor Identification test were used to measure hearing, contrast sensitivity, and olfaction, respectively...
May 23, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
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