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https://www.readbyqxmd.com/read/28338426/the-role-of-exercise-in-prevention-and-treatment-of-osteopenia-of-prematurity-an-update
#1
Alon Eliakim, Ita Litmanovitz, Dan Nemet
Premature infants have an increased risk of osteopenia due to limited bone mass accretion in utero and a greater need for bone nutrients. Until recently, most of efforts to prevent osteopenia of prematurity focused on nutritional changes. Recent studies indicate that passive range of motion exercise of the extremities may lead to beneficial effects on body weight, increased bone mineralization, increased bone formation markers and leptin levels, and attenuation of the natural post-natal decline in bone SOS...
March 24, 2017: Pediatric Exercise Science
https://www.readbyqxmd.com/read/28334919/antibiotics-trigger-initiation-of-sccmec-transfer-by-inducing-sos-responses
#2
Pilong Liu, Zhaowei Wu, Huping Xue, Xin Zhao
The rise of antimicrobial resistance limits therapeutic options for infections by methicillin-resistant staphylococci. The staphylococcal cassette chromosome mec (SCCmec) is a mobile genetic element as the only carrier of the methicillin-resistance determinants, the mecA or mecC gene. The use of antibiotics increases the spread of antibiotic resistance, but the mechanism by which antibiotics promote horizontal dissemination of SCCmec is largely unknown. In this study, we demonstrate that many antibiotics, including β-lactams, can induce the expression of ccrC1 and SCCmec excision from the bacterial chromosome...
March 3, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28333195/genome-wide-genetic-analyses-highlight-mitogen-activated-protein-kinase-mapk-signaling-in-the-pathogenesis-of-endometriosis
#3
Outi Uimari, Nilufer Rahmioglu, Dale R Nyholt, Katy Vincent, Stacey A Missmer, Christian Becker, Andrew P Morris, Grant W Montgomery, Krina T Zondervan
STUDY QUESTION: Do genome-wide association study (GWAS) data for endometriosis provide insight into novel biological pathways associated with its pathogenesis? SUMMARY ANSWER: GWAS analysis uncovered multiple pathways that are statistically enriched for genetic association signals, analysis of Stage A disease highlighted a novel variant in MAP3K4, while top pathways significantly associated with all endometriosis and Stage A disease included several mitogen-activated protein kinase (MAPK)-related pathways...
February 9, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28332172/quantitative-ultrasound-and-dxa-measurements-in-aromatase-inhibitor-treated-breast-cancer-women-receiving-denosumab
#4
A Catalano, A Gaudio, N Morabito, G Basile, R M Agostino, A Xourafa, M Atteritano, E Morini, G Natale, A Lasco
PURPOSE: Denosumab has been proven to reduce fracture risk in breast cancer (BC) women under aromatase inhibitors (AIs). Quantitative ultrasound (QUS) provides information on the structure and elastic properties of bone. Our aim was to assess bone health by phalangeal QUS and by dual-energy X-ray absorptiometry (DXA), and to evaluate bone turnover in AIs-treated BC women receiving denosumab. METHODS: 35 Postmenopausal BC women on AIs were recruited (mean age 61...
March 22, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28328649/early-lactate-clearance-is-associated-with-improved-outcomes-in-patients-with-postcardiac-arrest-syndrome-a-prospective-multicenter-observational-study-sos-kanto-2012-study
#5
Kei Hayashida, Masaru Suzuki, Naohiro Yonemoto, Shingo Hori, Tomoyoshi Tamura, Atsushi Sakurai, Yoshio Tahara, Ken Nagao, Arino Yaguchi, Naoto Morimura
OBJECTIVES: To determine whether early lactate reduction is associated with improved survival and good neurologic outcome in patients with out-of-hospital cardiac arrest. DESIGN: Ad hoc data analysis of a prospective, multicenter observational study. SETTING: Out-of-hospital cardiac arrest patients at 67 emergency hospitals in Kanto, Japan between January 2012 and March 2013. PATIENTS: Adult patients with out-of-hospital cardiac arrest admitted to the hospital after successful resuscitation were identified...
March 21, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28326339/glucose-dependent-insulinotropic-polypeptide-gip-and-gip-receptor-gipr-genes-an-association-analysis-of-polymorphisms-and-bone-in-young-and-elderly-women
#6
Gaurav Garg, Fiona E McGuigan, Jitender Kumar, Holger Luthman, Valeriya Lyssenko, Kristina Akesson
INTRODUCTION: The gastro-intestinal hormone glucose-dependent insulinotropic polypeptide (GIP) potentiates glucose-induced insulin secretion, with bone anabolic effects through GIP receptor (GIPR) in animal models. We explore its potential in humans by analyzing association between polymorphisms (SNPs) in the GIP and GIPR genes with bone phenotypes in young and elderly women. METHODS: Association between GIP (rs2291725) and GIPR (rs10423928) and BMD, bone mineral content (BMC), bone microarchitecture, fracture and body composition was analyzed in the OPRA (75y, n = 1044) and PEAK-25 (25y; n = 1061) cohorts and serum-GIP in OPRA...
June 2016: Bone Reports
https://www.readbyqxmd.com/read/28319824/effect-of-long-term-remote-ischaemic-conditioning-on-platelet-function-and-fibrinolysis-in-patients-with-chronic-ischaemic-heart-failure
#7
Kasper Pryds, Jacobina Kristiansen, Søs Neergaard-Petersen, Roni R Nielsen, Michael R Schmidt, Jens Refsgaard, Steen D Kristensen, Hans Erik Bøtker, Anne-Mette Hvas, Erik L Grove
INTRODUCTION: Remote ischaemic conditioning (RIC) protects against ischaemia-reperfusion injury through cellular protective pathways, but may also modulate haemostasis. We aimed to investigate the effect of long-term RIC on platelet function and fibrinolysis in patients with chronic ischaemic heart failure (CIHF). MATERIAL AND METHODS: In a prospective, outcome-assessor blinded, paired study, 16 patients with CIHF and 21 age- and gender-matched controls without ischaemic heart disease (IHD) were treated with RIC once daily for 28±4days...
March 10, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28317743/synthesis-of-1-3-distearoyl-2-oleoylglycerol-by-enzymatic-acidolysis-in-a-solvent-free-system
#8
Xiaosan Wang, Yang Chen, Liyou Zheng, Qingzhe Jin, Xingguo Wang
1,3-Distearoyl-2-oleoylglycerol (SOS) is widely used as a cocoa butter improver and an anti-blooming agent in the chocolate industry. In this study, an effective process was developed to prepare SOS by enzymatic acidolysis. Under optimal reaction conditions (substrate molar ratio of 12, NS40086 loading of 10%, a solvent-free system, 75°C for 4h), a SOS yield of 70.2% was obtained. Subsequently, two-step purification was applied to purify the crude SOS product. Free fatty acids were completely removed after molecular distillation...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28315535/high-dose-interleukin-2-evaluation-of-a-standardized-order-set-for-biotherapy-in-an-intensive-care-unit%C3%A2
#9
Rusticio Portillas, Barbara Turner, Audrey Jeffers, Lee-Lynn Chen, Mary Champagne
BACKGROUND: Life-threatening toxicity may result from administration of high-dose (HD) interleukin-2 (IL-2). Patients receiving HD IL-2 treatment often experience severe adverse side effects, which result in the interruption of treatment. 
. OBJECTIVES: A standardized order set (SOS) was developed for patients with melanoma or renal cell carcinoma receiving HD IL-2. The aims of the study were to determine compliance of clinicians to the SOS, report the completed doses and major side effects of HD IL-2, and document the satisfaction level of clinicians...
April 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28303518/potentially-life-threatening-coagulopathy-associated-with-simultaneous-reduction-in-coagulation-and-fibrinolytic-function-in-pediatric-acute-leukemia-after-hematopoietic-stem-cell-transplantation
#10
Takashi Ishihara, Keiji Nogami, Tomoko Matsumoto, Akitaka Nomura, Yasufumi Takeshita, Satoshi Ochi, Midori Shima
The pathogenesis of sinusoidal obstruction syndrome (SOS) and thrombotic microangiopathy (TMA) after hematopoietic stem cell transplantation (HSCT) is poorly understood, and limited information is available on global hemostatic function in HSCT. We assessed changes in coagulation and fibrinolysis using a simultaneous thrombin and plasmin generation assay (T/P-GA) during HSCT. Measurements of endogenous thrombin potential (T-EP) and plasmin peak height (P-Peak) using T/P-GA in six pediatric acute leukemia patients treated with HSCT were compared to normal plasma...
March 16, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28302859/inflammation-boosts-bacteriophage-transfer-between-salmonella-spp
#11
Médéric Diard, Erik Bakkeren, Jeffrey K Cornuault, Kathrin Moor, Annika Hausmann, Mikael E Sellin, Claude Loverdo, Abram Aertsen, Martin Ackermann, Marianne De Paepe, Emma Slack, Wolf-Dietrich Hardt
Bacteriophage transfer (lysogenic conversion) promotes bacterial virulence evolution. There is limited understanding of the factors that determine lysogenic conversion dynamics within infected hosts. A murine Salmonella Typhimurium (STm) diarrhea model was used to study the transfer of SopEΦ, a prophage from STm SL1344, to STm ATCC14028S. Gut inflammation and enteric disease triggered >55% lysogenic conversion of ATCC14028S within 3 days. Without inflammation, SopEΦ transfer was reduced by up to 10(5)-fold...
March 17, 2017: Science
https://www.readbyqxmd.com/read/28302355/effects-of-short-term-calcium-supplementation-in-children-and-adolescents-with-phenylketonuria
#12
Nancy Y Y Tanaka, Marlene F Turcato, Carolina F Nicoletti, Carla B Nonino, Luciana D Martins, Odilon Iannetta, Carlos Guerreiro, Gisele G Santos, Júlio S Marchini
Reduction of bone mineral density and the risk of osteopenia have been reported to occur in phenylketonuria (PKU) patients. This study aimed to evaluate the short-term effects of calcium supplementation in phenylketonuric children and adolescents. The study included 18 patients with PKU aged 5-18 yr (61% male) under clinical and nutritional treatment. Evaluation of food intake, anthropometry, and biochemical and phalangeal quantitative ultrasound were performed before (phase 1) and after (phase 2) calcium supplementation (1000 mg/d) for 34 d...
March 13, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28300216/ein3-and-sos2-synergistically-modulate-plant-salt-tolerance
#13
Ruidang Quan, Juan Wang, Dexin Yang, Haiwen Zhang, Zhijin Zhang, Rongfeng Huang
Ethylene biosynthesis and the ethylene signaling pathway regulate plant salt tolerance by activating the expression of downstream target genes such as those related to ROS and Na(+)/K(+) homeostasis. The Salt Overly Sensitive (SOS) pathway regulates Na(+)/K(+) homeostasis in Arabidopsis under salt stress. However, the connection between these two pathways is unclear. Through genetic screening, we identified two sos2 alleles as salt sensitive mutants in the ein3-1 background. Neither Ethylene-Insensitive 2 (EIN2) nor EIN3 changed the expression patterns of SOS genes including SOS1, SOS2, SOS3 and SOS3-like Calcium Binding Protein 8 (SCaBP8), but SOS2 activated the expression of one target gene of EIN3, Ethylene and Salt-inducible ERF 1 (ESE1)...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28298904/rna-primer-extension-hinders-dna-synthesis-by-escherichia-coli-mutagenic-dna-polymerase-iv
#14
Tommy F Tashjian, Ida Lin, Verena Belt, Tiziana M Cafarelli, Veronica G Godoy
In Escherichia coli the highly conserved DNA damage regulated dinB gene encodes DNA Polymerase IV (DinB), an error prone specialized DNA polymerase with a central role in stress-induced mutagenesis. Since DinB is the DNA polymerase with the highest intracellular concentrations upon induction of the SOS response, further regulation must exist to maintain genomic stability. Remarkably, we find that DinB DNA synthesis is inherently poor when using an RNA primer compared to a DNA primer, while high fidelity DNA polymerases are known to have no primer preference...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28291380/beneficial-rhizobacterium-bacillus-amyloliquefaciens-sqr9-induces-plant-salt-tolerance-through-spermidine-production
#15
Lin Chen, Yunpeng Liu, Gengwei Wu, Nan Zhang, Qi-Rong Shen, Ruifu Zhang
The inoculation of plants with plant growth-promoting rhizobacterium (PGPR) has been an effective strategy for enhancing plant salt tolerance to diminish the loss of agricultural productivity caused by salt stress, but the signal transmitted from bacteria to the plant under salt stress is poorly understood. In this study, the salt tolerance of Arabidopsis thaliana and Zea mays was enhanced by inoculation with Bacillus amyloliquefaciens SQR9. Using dialysis bags with different molecular weight cutoffs, we sorted through the molecules secreted by SQR9 and found that spermidine is responsible for enhancing plant salt tolerance...
March 14, 2017: Molecular Plant-microbe Interactions: MPMI
https://www.readbyqxmd.com/read/28287955/accurate-3-d-profile-extraction-of-skull-bone-using-an-ultrasound-matrix-array
#16
Mehdi Hajian, Robert Gaspar, Roman Maev
The present study investigates the feasibility, accuracy, and precision of 3-D profile extraction of the human skull bone using a custom-designed ultrasound matrix transducer in Pulse-Echo. Due to the attenuative scattering properties of the skull, the backscattered echoes from the inner surface of the skull are severely degraded, attenuated, and at some points overlapped. Furthermore, the speed of sound (SOS) in the skull varies significantly in different zones and also from case to case; if considered constant, it introduces significant error to the profile measurement...
March 8, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28285079/defibrotide-for-patients-with-hepatic-veno-occlusive-disease-sinusoidal-obstruction-syndrome-vod-sos-interim-results-from-a-treatment-ind-study
#17
Paul G Richardson, Angela R Smith, Brandon M Triplett, Nancy A Kernan, Stephan A Grupp, Joseph H Antin, Leslie Lehmann, Tsiporah Shore, Massimo Iacobelli, Maja Miloslavsky, Robin Hume, Alison L Hannah, Bijan Nejadnik, Robert J Soiffer
Hepatic veno-occlusive disease, or sinusoidal obstruction syndrome (VOD/SOS), is a serious and potentially fatal complication of conditioning for hematopoietic stem cell transplantation (HSCT) or of chemotherapy regimens alone. Defibrotide is a complex mixture of single-stranded polydeoxyribonucleotides that is approved in the United States for treatment of hepatic VOD/SOS with renal or pulmonary dysfunction post-HSCT and in the European Union, Israel, and South Korea for treatment of severe hepatic VOD/SOS post-HSCT...
March 8, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28284915/reversibility-of-chemotherapy-related-liver-injury
#18
Luca Vigano, Giovanni De Rosa, Christian Toso, Axel Andres, Alessandro Ferrero, Arnaud Roth, Elisa Sperti, Pietro Majno, Laura Rubbia-Brandt
BACKGROUND: Chemotherapy-related liver injury (CALI) increase the risk of liver resection and may prejudice further surgery and chemotherapy. CALI's reversibility is thus relevant; however, no data concerning this are available. We therefore retrospectively analyzed the reversibility of CALI in patients undergoing liver resection for colorectal metastases. METHODS: All resections of colorectal liver metastases after oxaliplatin and/or irinotecan-based chemotherapy were included...
March 8, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28273172/altering-the-n-terminal-arms-of-the-polymerase-manager-protein-umud-modulates-protein-interactions
#19
David A Murison, Jaylene N Ollivierre, Qiuying Huang, David E Budil, Penny J Beuning
Escherichia coli cells that are exposed to DNA damaging agents invoke the SOS response that involves expression of the umuD gene products, along with more than 50 other genes. Full-length UmuD is expressed as a 139-amino-acid protein, which eventually cleaves its N-terminal 24 amino acids to form UmuD'. The N-terminal arms of UmuD are dynamic and contain recognition sites for multiple partner proteins. Cleavage of UmuD to UmuD' dramatically affects the function of the protein and activates UmuC for translesion synthesis (TLS) by forming DNA Polymerase V...
2017: PloS One
https://www.readbyqxmd.com/read/28262820/a-temporal-proteome-dynamics-study-reveals-the-molecular-basis-of-induced-phenotypic-resistance-in-mycobacterium-smegmatis-at-sub-lethal-rifampicin-concentrations
#20
Alexander D Giddey, Elise de Kock, Kehilwe C Nakedi, Shaun Garnett, Andrew J M Nel, Nelson C Soares, Jonathan M Blackburn
In the last 40 years only one new antitubercular drug has been approved, whilst resistance to current drugs, including rifampicin, is spreading. Here, we used the model organism Mycobacterium smegmatis to study mechanisms of phenotypic mycobacterial resistance, employing quantitative mass spectrometry-based proteomics to investigate the temporal effects of sub-lethal concentrations of rifampicin on the mycobacterial proteome at time-points corresponding to early response, onset of bacteriostasis and early recovery...
March 6, 2017: Scientific Reports
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