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https://www.readbyqxmd.com/read/28643325/surface-expression-of-anti-cd3scfv-stimulates-locoregional-immunotherapy-against-hepatocellular-carcinoma-depending-on-the-e1a-engineered-human-umbilical-cord-mesenchymal-stem-cells
#1
Qing Zhang, Xiang-Fei Yuan, Yang Lu, Zhen-Zhen Li, Shi-Qi Bao, Xiao-Long Zhang, Yuan-Yuan Yang, Dong-Mei Fan, Yi-Zhi Zhang, Chen-Xuan Wu, Hong-Xing Guo, Yan-Jun Zhang, Ye Zhou, Dong-Sheng Xiong
Tumor antigens is at the core of cancer immunotherapy, however, the ideal antigen selection is difficult especially in poorly immunogenic tumors. In this study, we designed a strategy to modify hepatocellular carcinoma (HCC) cells by surface expressing anti-CD3scfv within the tumor site strictly, which depended on the E1A-engineered human umbilical cord mesenchymal stem cells (HUMSC.E1A) delivery system. Subsequently, membrane-bound anti-CD3scfv actived the lymphocytes which lysed HCC cells bypassing the expression of antigens or MHC restriction...
June 23, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28643085/exogenous-application-of-nitric-oxide-modulates-osmolyte-metabolism-antioxidants-enzymes-of-ascorbate-glutathione-cycle-and-promotes-growth-under-cadmium-stress-in-tomato
#2
Parvaiz Ahmad, Mohammed Abass Ahanger, Mohammed Nasser Alyemeni, Leonard Wijaya, Pravej Alam
Experiments were carried out to investigate the role of nitric oxide (NO) in ameliorating the negative effects of cadmium stress in tomato seedlings. Plants treated with cadmium (CdCl2, 150 μM) showed reduced growth, biomass yield, pigment content, chlorophyll fluorescence, and gas exchange parameters. Exogenous application of NO donor (sodium nitroprusside) with nutrient solution protected chlorophyll pigments, restored chlorophyll fluorescence and gas exchange parameters, and caused significant enhancements in growth and biomass yield...
June 22, 2017: Protoplasma
https://www.readbyqxmd.com/read/28642757/the-fungal-pathogen-candida-glabrata-does-not-depend-on-surface-ferric-reductases-for-iron-acquisition
#3
Franziska Gerwien, Abu Safyan, Stephanie Wisgott, Sascha Brunke, Lydia Kasper, Bernhard Hube
Iron acquisition is a crucial virulence determinant for many bacteria and fungi, including the opportunistic fungal pathogens Candida albicans and C. glabrata. While the diverse strategies used by C. albicans for obtaining iron from the host are well-described, much less is known about the acquisition of this micronutrient from host sources by C. glabrata - a distant relative of C. albicans with closer evolutionary ties to Saccharomyces cerevisiae, which nonetheless causes severe clinical symptoms in humans...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28641979/sexual-dimorphism-in-the-fetal-cardiac-response-to-maternal-nutrient-restriction
#4
Sribalasubashini Muralimanoharan, Cun Li, Ernesto S Nakayasu, Cameron P Casey, Thomas O Metz, Peter W Nathanielsz, Alina Maloyan
Poor maternal nutrition causes intrauterine growth restriction (IUGR); however, its effects on fetal cardiac development are unclear. We have developed a baboon model of moderate maternal undernutrition, leading to IUGR. We hypothesized that IUGR affects fetal cardiac structure and metabolism. Six control pregnant baboons ate ad-libitum (CTRL)) or 70% CTRL from 0.16 of gestation (G). Fetuses were euthanized at C-section at 0.9G under general anesthesia. Male but not female IUGR fetuses showed left ventricular fibrosis inversely correlated with birth weight...
June 19, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28640975/nac-transcription-factor-jungbrunnen1-enhances-drought-tolerance-in-tomato
#5
Venkatesh P Thirumalaikumar, Vikas Devkar, Nikolay Mehterov, Shawkat Ali, Rengin Ozgur, Ismail Turkan, Bernd Mueller-Roeber, Salma Balazadeh
Water deficit (drought stress) massively restricts plant growth and the yield of crops; reducing the deleterious effects of drought is therefore of high agricultural relevance. Drought triggers diverse cellular processes including the inhibition of photosynthesis, the accumulation of cell-damaging reactive oxygen species, and gene expression reprogramming, besides others. Transcription factors (TF) are central regulators of transcriptional reprogramming and expression of many TF genes is affected by drought, including members of the NAC family...
June 22, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28639707/dressings-and-topical-agents-for-treating-pressure-ulcers
#6
REVIEW
Maggie J Westby, Jo C Dumville, Marta O Soares, Nikki Stubbs, Gill Norman
BACKGROUND: Pressure ulcers, also known as bedsores, decubitus ulcers and pressure injuries, are localised areas of injury to the skin or the underlying tissue, or both. Dressings are widely used to treat pressure ulcers and promote healing, and there are many options to choose from including alginate, hydrocolloid and protease-modulating dressings. Topical agents have also been used as alternatives to dressings in order to promote healing.A clear and current overview of all the evidence is required to facilitate decision-making regarding the use of dressings or topical agents for the treatment of pressure ulcers...
June 22, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28639476/effects-of-folic-acid-on-dnmt1-gap43-and-vegfr1-in-intrauterine-growth-restriction-filial-rats
#7
Ying-Xue Ding, Hong Cui
OBJECTIVE: To investigate the effect of a folic acid intervention on the outcome of intrauterine growth restriction (IUGR) filial rats and changes in DNA methyltransferase 1 (DNMT1), growth-associated protein 43 (GAP43), and vascular endothelial growth factor receptor 1 (VEGFR1). METHODS: The IUGR animal model was established using a starvation method in pregnant rats. The animals were randomly divided into 4 groups: normal controls, IUGR rats, IUGR rats given folic acid, and IUGR rats given normal saline...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28638409/differential-fasting-plasma-glucose-and-ketone-body-levels-in-ghrko-versus-3xtg-ad-mice-a-potential-contributor-to-aging-related-cognitive-status
#8
Chelsea M Griffith, Lauren N Macklin, Andrzej Bartke, Peter R Patrylo
Cognitive function declines with age and appears to correlate with decreased cerebral metabolic rate (CMR). Caloric restriction, an antiaging manipulation that extends life-span and can preserve cognitive function, is associated with decreased glucose uptake, decreased lactate levels, and increased ketone body (KB) levels in the brain. Since the majority of brain nutrients come from the periphery, this study examined whether the capacity to regulate peripheral glucose levels and KB production differs in animals with successful cognitive aging (growth hormone receptor knockouts, GHRKOs) versus unsuccessful cognitive aging (the 3xTg-AD mouse model of Alzheimer's disease)...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28638059/cis-regulatory-evolution-in-prokaryotes-revealed-by-interspecific-archaeal-hybrids
#9
Carlo G Artieri, Adit Naor, Israela Turgeman-Grott, Yiqi Zhou, Ryan York, Uri Gophna, Hunter B Fraser
The study of allele-specific expression (ASE) in interspecific hybrids has played a central role in our understanding of a wide range of phenomena, including genomic imprinting, X-chromosome inactivation, and cis-regulatory evolution. However across the hundreds of studies of hybrid ASE, all have been restricted to sexually reproducing eukaryotes, leaving a major gap in our understanding of the genomic patterns of cis-regulatory evolution in prokaryotes. Here we introduce a method to generate stable hybrids between two species of halophilic archaea, and measure genome-wide ASE in these hybrids with RNA-seq...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28638048/maternal-folate-deficiency-causes-inhibition-of-mtor-signaling-down-regulation-of-placental-amino-acid-transporters-and-fetal-growth-restriction-in-mice
#10
Fredrick J Rosario, Peter W Nathanielsz, Theresa L Powell, Thomas Jansson
Maternal folate deficiency is linked to restricted fetal growth, however the underlying mechanisms remain to be established. Here we tested the hypothesis that mTOR functions as a folate sensor in vivo in mice and that maternal folate deficiency inhibits placental mTOR signaling and amino acid transporter activity and causes fetal growth restriction. Folate deficient mice had lower serum folate (-60%). In late pregnancy, fetal weight in the folate deficient group was decreased (-17%, p < 0.05), whereas placental weight, litter size and crown rump length were unaltered...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28637831/oshad1-a-haloacid-dehalogenase-like-apase-enhances-phosphate-accumulation
#11
Bipin Kumar Pandey, Poonam Mehra, Lokesh Verma, Jyoti Bhadouria, Jitender Giri
Phosphorus (P) deficiency limits plant growth and crop yield. Since, plants can absorb only inorganic form of P (Pi), a large portion of soil P (organic and inorganic P complexes) remains largely unused. Here, we identified and characterized a PHR2 regulated; novel low Pi responsive haloacid dehalogenase (HAD)-like hydrolase, OsHAD1. While, OsHAD1 is a functional HAD protein having both acid phosphatase and phytase activity; it showed little homology with other known low Pi responsive HAD superfamily members...
June 21, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28637734/pregnancy-specific-stress-fetoplacental-haemodynamics-and-neonatal-outcomes-in-women-with-small-for-gestational-age-pregnancies-a-secondary-analysis-of-the-multicentre-prospective-observational-trial-to-optimise-paediatric-health-in-intrauterine-growth-restriction
#12
Terri A Levine, Ruth E Grunau, Ricardo Segurado, Sean Daly, Michael P Geary, Mairead M Kennelly, Keelin O'Donoghue, Alyson Hunter, John J Morrison, Gerard Burke, Patrick Dicker, Elizabeth C Tully, Fergal D Malone, Fiona A Alderdice, Fionnuala M McAuliffe
OBJECTIVES: To examine associations between maternal pregnancy-specific stress and umbilical (UA PI) and middle cerebral artery pulsatility indices (MCA PI), cerebroplacental ratio, absent end diastolic flow (AEDF), birthweight, prematurity, neonatal intensive care unit admission and adverse obstetric outcomes in women with small for gestational age pregnancies. It was hypothesised that maternal pregnancy-specific stress would be associated with fetoplacental haemodynamics and neonatal outcomes...
June 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/28637406/socioeconomic-status-the-missing-link-between-obesity-and-diabetes-mellitus
#13
Alexei Volaco, Ana Maria Cavalcanti, Roberto Pecoits Filho, Dalton Bertolim Précoma
BACKGROUND: Currently, there is an epidemic expansion of the obesity rates worldwide. The increasing number of obese individuals associated with the aging of population leads to increasing number of individuals with type 2 diabetes mellitus (T2DM) at the same rate. The traditional factors that link obesity to T2DM are related to genetics, hypercaloric diet, sedentary lifestyle, and stress. Individuals from lower socioeconomic status (SES) have restricted autonomy and opportunities that could lead to more stress and consequently increase in stress hormones, such as cortisol, catecholamines, glucagon, and growth hormone, which might ultimately change fat deposition, increasing visceral fat and increasing the risk of T2DM mellitus development...
June 21, 2017: Current Diabetes Reviews
https://www.readbyqxmd.com/read/28636324/oxide-film-efficiently-suppresses-dendrite-growth-in-aluminum-ion-battery
#14
Hao Chen, Hanyan Xu, Bingna Zheng, Siyao Wang, Tieqi Huang, Fan Guo, Weiwei Gao, Chao Gao
Aluminum metal foil is the optimal choice as an anode material for aluminum-ion battery for its key advantages such as high theoretical capacity, safety and low cost. However, the metallic nature of aluminum foil is very likely to induce severe dendrite growth with further electrode disintegration and cell failure, which is inconsistent with the previous reports. Here, we discover that it is aluminum oxide film that efficiently restricts the growth of crystalline Al dendrite and thus improves the cycling stability of Al anode...
June 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28635180/renal-vascularization-indexes-and-fetal-hemodynamics-in-fetuses-with-growth-restriction
#15
Giovana Farina Doro, Janaína Campos Senra, Agatha Sacramento Rodrigues, Seizo Miyadahira, Renata Lopes Ribeiro, Rossana Pulcinelli Vieira, Lisandra Stein Bernardes
OBJECTIVE: To identify the correlation between the renal vascularization index (VI), the flow index (FI) and the vascularization and flow index (VFI) and placental and fetal hemodynamics in fetuses with growth restriction. METHOD: Bidimensional ultrasound and three-dimensional power Doppler with the VOCAL technique were used to determine the renal vascular indexes and fetal and placental hemodynamics in fetuses below the 10(th) percentile for fetal weight. Partial correlation analysis (controlled for renal depth and gestational age) was performed...
June 20, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28634210/the-glycosylation-pathway-is-required-for-the-secretion-of-slit-and-for-the-maintenance-of-the-slit-receptor-robo-on-axons
#16
Mary Ann Manavalan, Vatsala Ruvini Jayasinghe, Rickinder Grewal, Krishna Moorthi Bhat
Slit proteins act as repulsive axon guidance cues by activating receptors of the Roundabout (Robo) family. During early neurogenesis in Drosophila melanogaster, Slit prevents the growth cones of longitudinal tract neurons from inappropriately crossing the midline, thus restricting these cells to trajectories parallel to the midline. Slit is expressed in midline glial cells, and Robo is present in longitudinal axon tracts and growth cones. We showed that the enzyme Mummy (Mmy) controlled Slit-Robo signaling through mechanisms that affected both the ligand and the receptor...
June 20, 2017: Science Signaling
https://www.readbyqxmd.com/read/28633455/fetal-metabolic-stress-disrupts-immune-homeostasis-and-induces-pro-inflammatory-responses-in-hiv-1-and-cart-exposed-infants
#17
Johannes C Schoeman, Gontse P Moutloatse, Amy C Harms, Rob J Vreeken, Henriette J Scherpbier, Liesbeth Van Leeuwen, Taco W Kuijpers, Carools J Reinecke, Ruud Berger, Thomas Hankemeier, Madeleine J Bunders
Increased morbidity and fetal growth restriction are reported in uninfected children born to HIV-1-infected women treated with antiretroviral (ARV) therapy. Viruses and/or pharmacological interventions such as ARVs can induce metabolic stress skewing the cell's immune response and restricting (cell) growth. Novel metabolomic techniques provided the opportunity to investigate the impact of fetal HIV-1 and combination ARV therapy (cART)-exposure on the infants' immune-metabolome. Peroxidized lipids, generated by reactive oxygen species, were increased in cART/HIV-1-exposed infants, indicating altered mitochondrial functioning...
June 17, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28633393/outcomes-of-palliative-right-ventricle-to-pulmonary-artery-connection-for-pulmonary-atresia-with-ventricular-septal-defect%C3%A2
#18
Marien Lenoir, Margaux Pontailler, Régis Gaudin, Sébastien Gerelli, Daniel Tamisier, Damien Bonnet, Bari Murtuza, Pascal R Vouhé, Olivier Raisky
OBJECTIVES: To determine the early, intermediate and long-term outcomes of pulmonary atresia with ventricular septal defect (PA/VSD) Types I, II and III initially palliated by a right ventricle to pulmonary artery (RVPA) connection. METHODS: We performed a retrospective study from 2000 to 2014 that included 109 patients with PA/VSD who had undergone an RVPA connection (tetralogy of Fallot and PA/VSD Type IV excluded). The end-points of this strategy were adequate pulmonary artery tree post-palliation, second palliation, biventricular repair, right ventricular pressure post-biventricular repair and late reoperation...
June 15, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28632972/non-randomised-interventional-study-showed-that-early-aggressive-nutrition-was-effective-in-reducing-postnatal-growth-restriction-in-preterm-infants
#19
Giulia Genoni, Marco Binotti, Alice Monzani, Elena Bernascone, Ilaria Stasi, Gianni Bona, Federica Ferrero
AIM: This study evaluated whether an early aggressive nutrition (EAN) strategy could limit extrauterine growth restriction (EUGR) in a cohort of preterm infants. METHODS: This prospective non-randomised interventional study was carried out in the neonatal intensive care unit of an Italian hospital from January 2013 to December 2015. The prevalence of EUGR was assessed in 100 infants with a gestational age of ≤34 weeks, 50 after the introduction of an EAN regimen in October 2014 and 50 before...
June 20, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28632735/validity-of-a-minimally-invasive-autopsy-for-cause-of-death-determination-in-stillborn-babies-and-neonates-in-mozambique-an-observational-study
#20
Clara Menendez, Paola Castillo, Miguel J Martínez, Dercio Jordao, Lucilia Lovane, Mamudo R Ismail, Carla Carrilho, Cesaltina Lorenzoni, Fabiola Fernandes, Tacilta Nhampossa, Juan Carlos Hurtado, Mireia Navarro, Isaac Casas, Paula Santos Ritchie, Sonia Bandeira, Sibone Mocumbi, Zara Jaze, Flora Mabota, Khátia Munguambe, Maria Maixenchs, Ariadna Sanz, Inacio Mandomando, Alfons Nadal, Anna Goncé, Carmen Muñoz-Almagro, Llorenç Quintó, Jordi Vila, Eusebio Macete, Pedro Alonso, Jaume Ordi, Quique Bassat
BACKGROUND: Over 5 million stillbirths and neonatal deaths occur annually. Limited and imprecise information on the cause of these deaths hampers progress in achieving global health targets. Complete diagnostic autopsies (CDAs)-the gold standard for cause of death determination-are difficult to perform in most high-burden settings. Therefore, validation of simpler and more feasible methods is needed. METHODS AND FINDINGS: In this observational study, the validity of a minimally invasive autopsy (MIA) method in determining the cause of death was assessed in 18 stillbirths and 41 neonatal deaths by comparing the results of the MIA with those of the CDA...
June 2017: PLoS Medicine
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