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https://www.readbyqxmd.com/read/28230996/a-facile-n-mercaptoethoxyglycinamide-mega-linker-ap-proach-to-peptide-thioesterification-and-cyclization
#1
Patrick M M Shelton, Caroline E Weller, Champak Chatterjee
The C-terminal selective electrophilic activation of polypeptides is essential for site-specific peptide mod-ification and conjugation techniques such as Native Chemi-cal Ligation (NCL). Peptide C-terminal α-thioesters are par-ticularly valuable precursors for NCL, due to their hydrolytic stability in aqueous buffers and reactivity toward thiol nucle-ophiles. The synthesis of peptide α-thioesters, however, re-quires harsh acidic conditions or complex chemical manipu-lations, which ultimately limits their functional group com-patibility and broad utility...
February 23, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28229585/plasma-induced-decomposition-of-copper-complex-ink-for-the-formation-of-highly-conductive-copper-tracks-on-heat-sensitive-substrates
#2
Yousef Farraj, Ariel Smooha, Alexander Kamyshny, Shlomo Magdassi
The use of Cu-formate-AMP ink and low-pressure plasma for the formation of highly conductive patterns on heat sensitive plastic substrates, were studied. It was found that plasma results in decomposition of copper complex to form metallic copper without heating at high temperatures. Ink composition and plasma parameters (pre-drying conditions, plasma treatment duration, gas type and flow rate) were optimized to obtain uniform conductive metallic films. The morphology and electrical characteristics of these films were evaluated...
February 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28217513/clinical-and-epidemiological-study-of-stress-hyperglycemia-among-medical-intensive-care-unit-patients-in-central-india
#3
Jitendra Sharma, Sachin Chittawar, Ram Singh Maniram, T N Dubey, Ambrish Singh
BACKGROUND: Stress hyperglycemia is common in patients presenting at the emergency medical ward and is associated with poor prognosis and increased risk of mortality. AIMS AND OBJECTIVE: To study and determine the prevalence and factors associated with stress hyperglycemia. MATERIALS AND METHODS: A cross-sectional observational study was performed on 536 nondiabetic patients presented to the Intensive Care Unit (ICU) at Gandhi Medical College and allied Hamidia Hospital, Bhopal, between March 31, 2015, and May 28, 2015...
January 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28217466/secukinumab-efficacy-and-safety-in-indian-patients-with-moderate-to-severe-plaque-psoriasis-sub-analysis-from-fixture-a-randomized-placebo-controlled-phase-3-study
#4
Ramesh M Bhat, B Leelavathy, Sacchidanand S Aradhya, Maragondanahalli G Gopal, D V S Pratap, Mir Mubashir, Putta Srinivas, Sushil Y Pande, Amit S Thavkar
TITLE: Secukinumab efficacy and safety in Indian patients with moderate-to-severe plaque psoriasis: sub-analysis from FIXTURE (Full Year Investigative Examination of Secukinumab vs. Etanercept Using Two Dosing Regimens to Determine Efficacy in Psoriasis), a randomized, placebo-controlled, phase 3 study. BACKGROUND: Evidence has suggested Interleukin (IL)-17A to be an important effector cytokine in the pathogenesis of psoriasis. Here, we report results for an Indian sub-population from a multinational study FIXTURE, designed to assess the safety, tolerability, and long-term efficacy of fully human anti-IL-17A monoclonal antibody secukinumab in patients with moderate-to-severe plaque psoriasis...
January 2017: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/28210072/the-parenteral-vitamin-c-improves-sepsis-and-sepsis-induced-multiple-organ-dysfunction-syndrome-via-preventing-cellular-immunosuppression
#5
Yu-Lei Gao, Bin Lu, Jian-Hua Zhai, Yan-Cun Liu, Hai-Xia Qi, Ying Yao, Yan-Fen Chai, Song-Tao Shou
Cellular immunosuppression appears to be involved in sepsis and sepsis-induced multiple organ dysfunction syndrome (MODS). Recent evidence showed that parenteral vitamin C (Vit C) had the ability to attenuate sepsis and sepsis-induced MODS. Herein, we investigated the impact of parenteral Vit C on cellular immunosuppression and the therapeutic value in sepsis. Using cecal ligation and puncture (CLP), sepsis was induced in WT and Gulo(-/-) mice followed with 200 mg/Kg parenteral Vit C administration. The immunologic functions of CD4(+)CD25(+) regulatory T cells (Tregs) and CD4(+)CD25(-) T cells, as well as the organ functions, were determined...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28188006/changes-in-hemostasis-caused-by-different-replacement-fluids-and-outcome-in-therapeutic-plasma-exchange-in-pediatric-patients-in-a-retrospective-single-center-study
#6
REVIEW
Volker Witt, Herbert Pichler, Elisabeth Beiglboeck, Friedrich Kursten, Lisa Weidner
BACKGROUND: Therapeutic plasma exchange (TPE) is a generally accepted and frequently performed procedure for numerous therapeutic indications in adults. Slowly, TPE is also becoming more and more popular in the treatment of pediatric patients. Although, we know that TPE is safe in pediatric patients, the outcome of children treated with TPE is rarely reported. Furthermore, there are only general recommendations regarding the plasma replacement fluid for children and these are adopted from adults...
January 19, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28182968/measuring-postural-control-during-mini-squat-posture-in-men-with-early-knee-osteoarthritis
#7
M Petrella, K Gramani-Say, P R M S Serrão, G C Lessi, J A Barela, R P Carvalho, S M Mattiello
Studies have suggested a compromised postural control in individuals with knee osteoarthritis (OA) evidenced by larger and faster displacement of center of pressure (COP). However, quantification of postural control in the mini-squat posture performed by patients with early knee OA and its relation to muscle strength and self-reported symptoms have not been investigated. The main aim of this cross-sectional, observational, controlled study was to determine whether postural control in the mini-squat posture differs between individuals with early knee OA and a control group (CG) and verify the relation among knee extensor torque (KET) and self-reported physical function, stiffness and pain...
February 6, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28168673/case-study-iii-the-construction-of-a-nanotoxicity-database-the-mod-enp-tox-experience
#8
Hanne Vriens, Dominik Mertens, Renaud Regret, Pinpin Lin, Jean-Pierre Locquet, Peter Hoet
The amount of experimental studies on the toxicity of nanomaterials is growing fast. Interpretation and comparison of these studies is a complex issue due to the high amount of variables possibly determining the toxicity of nanomaterials.Qualitative databases providing a structured combination, integration and quality evaluation of the existing data could reveal insights that cannot be seen from different studies alone. A few database initiatives are under development but in practice very little data is publicly available and collaboration between physicists, toxicologists, computer scientists and modellers is needed to further develop databases, standards and analysis tools...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28165501/therapeutic-effects-of-euphorbia-pekinensis-and-glycyrrhiza-glabra-on-hepatocellular-carcinoma-ascites-partially-via-regulating-the-frk-arhgdib-inpp5d-avpr2-aqp4-signal-axis
#9
Yanqiong Zhang, Chen Yan, Yuting Li, Xia Mao, Weiwei Tao, Yuping Tang, Ya Lin, Qiuyan Guo, Jingao Duan, Na Lin
To clarify unknown rationalities of herbaceous compatibility of Euphorbia Pekinensis (DJ) and Glycyrrhiza glabra (GC) acting on hepatocellular carcinoma (HCC) ascites, peritoneum transcriptomics profiling of 15 subjects, including normal control (Con), HCC ascites mouse model (Mod), DJ-alone, DJ/GC-synergy and DJ/GC-antagonism treatment groups were performed on OneArray platform, followed by differentially expressed genes (DEGs) screening. DEGs between Mod and Con groups were considered as HCC ascites-related genes, and those among different drug treatment and Mod groups were identified as DJ/GC-combination-related genes...
February 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28164582/the-use-of-lipid-peroxidation-expression-as-a-biomarker-for-the-molecular-damage-in-the-critically-ill-polytrauma-patient
#10
REVIEW
Florin G Horhat, Alexandru F Rogobete, Marius Papurica, Dorel Sandesc, Sonia Tanasescu, Victor Dumitrascu, Monica Licker, Razvan Nitu, Carmen A Cradigati, Mirela Sarandan, Ovidiu Boruga, Ciprian D Crisan, Emil Ungureanu, Daniela M Popa, Sonia E Popovici, Ovidiu H Bedreag
BACKGROUND: The critically ill polytrauma patient, apart from the primary, traumatic injuries and the secondary, port-traumatic injuries, presents with a series of molecular disasters. Dysfunctions of the biochemical pathways and molecular damage add to the worsening of the clinical status of these patients, one of the most well-known molecular phenomena being oxidative stress (OS), responsible for an escalation of the inflammatory status, multiple infections, and multiple organ dysfunction syndrome (MODS)...
September 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28164521/using-the-expression-of-damage-associated-molecular-pattern-damp-for-the-evaluation-and-monitoring-of-the-critically-ill-polytrauma-patient
#11
REVIEW
Marius Papurica, Alexandru F Rogobete, Dorel Sandesc, Carmen A Cradigati, Mirela Sarandan, Raluca Dumache, Florin G Horhat, Lavinia M Bratu, Razvan Nitu, Dan C Crisan, Delia I Horhat, Elena S Popovici, Sonia Tanasescu, Vlad Daliborca, Ovidiu Boruga, Ovidiu H Bedreag
BACKGROUND: The critically ill polytrauma patient continues to be one of the most complex cases in the intensive care unit (ICU). The molecular damage is closely connected with the severe, specific pathophysiological imbalances, such as severe inflammation, infections, hypermetabolism, oxidative stress, and ultimately multiple organ dysfunction syndrome (MODS). METHODS: The literature available on PubMed and Scopus was analysed for this study. The key words used in the search were "biomarkers in critically ill patients", "molecular damage", "sepsis biomarkers", "miRNAs biomarkers", and "oxidative stress"...
October 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28161168/technical-note-evaluating-nuclear-magnetic-resonance-spectroscopy-for-determining-body-composition-in-holstein-dairy-calves-using-deuterium-oxide-dilution-methods
#12
C E Chapman, P Stone Wilkinson, M R Murphy, P S Erickson
Deuterium oxide (D2O) dilution methods have been used to assess body composition in live animals. Estimated body water content can be used to predict body fat and protein, and thus, the amount of energy reserves. It is an alternative method to direct chemical analysis and considered a noninvasive technique that is economical and repeatable. Deuterium oxide use is considered easy, safe, and accurate; however, the traditional methods of analyzing D2O are expensive, tedious, and time consuming. The objective of this study was to evaluate the potential for using nuclear magnetic resonance spectroscopy (NMR) to determine body composition in Holstein dairy heifers...
February 1, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28152769/do-informed-patients-have-different-cipn-outcomes-results-of-a-research-advocacy-network-survey
#13
Carol B White, Elda Railey, Robert Bellucci, Cara Thompson
: 60 Background: Chemotherapy-induced peripheral neuropathy (CIPN) is common in cancer patients (pts). CIPN impacts quality of life (QoL) and causes emotional distress and treatment (Tx) delays. No agents are recommended for prevention and one agent is recommended for Tx of CIPN (ASCO Guidelines, 2014). Limited data exist about pt experiences with CIPN. The study goal was to understand pt experiences related to CIPN. METHODS: An online, 67-question survey was completed by pts with breast or lung cancer...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28151770/organ-specific-differences-in-endothelial-permeability-regulating-molecular-responses-in-mouse-and-human-sepsis
#14
Adnan Aslan, Matijs van Meurs, Jill Moser, Eliane R Popa, Rianne M Jongman, Peter J Zwiers, Grietje Molema, Jan G Zijlstra
In patients with sepsis-induced MODS, diverging patterns of oedema formation and loss of function in organs such as lung and kidney suggest that endothelial permeability-regulating molecular responses are differentially regulated. This potential differential regulation has been insufficiently studied at the level of components of adherens and tight junctions. We hypothesized that such a regulation by endothelial cells in sepsis takes place in an organ-specific manner. We addressed our hypothesis by studying by quantitative RT-PCR the expression of a predefined subset of EC permeability-related molecules (occludin, claudin-5, PV-1, CD-31, endomucin, Angiopoietin-1, Angiopoietin-2, Tie2, VEGFA, VEGFR1, VEGFR2, and VE-cadherin) in kidney and lung after systemic LPS injection in mice, and in kidneys of patients who died of sepsis...
February 1, 2017: Shock
https://www.readbyqxmd.com/read/28139544/a-single-weighting-approach-to-analyze-respondent-driven-sampling-data
#15
Vadivoo Selvaraj, Kangusamy Boopathi, Ramesh Paranjape, Sanjay Mehendale
BACKGROUND AND OBJECTIVES: Respondent-driven sampling (RDS) is widely used to sample hidden populations and RDS data are analyzed using specially designed RDS analysis tool (RDSAT). RDSAT estimates parameters such as proportions. Analysis with RDSAT requires separate weight assignment for individual variables even in a single individual; hence, regression analysis is a problem. RDS-analyst is another advanced software that can perform three methods of estimates, namely, successive sampling method, RDS I and RDS II...
September 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28139187/cementless-calcar-replacement-stem-with-integrated-greater-trochanter-plate-for-unstable-intertrochanteric-fracture-in-very-elderly-patients
#16
Keizo Wada, Hiroshi Mikami, Koichi Oba, Hiroshi Yonezu, Koichi Sairyo
PURPOSE: To evaluate the clinical results of rigid fixation of the greater trochanter fragment through a consecutive hemiarthroplasty series using a cementless and modular calcar-replacement prosthesis with an integrated plate (MOD-Centaur stem) with 1-year follow-up in very elderly patients with unstable intertrochanteric fractures. METHODS: We assessed 44 consecutive very elderly patients (age >85 years; 2 men, 42 women; mean age at surgery: 89.6 years) with an unstable intertrochanteric fracture who underwent bipolar hemiarthroplasty using the MOD-Centaur stem by the same surgeon...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28130261/impact-of-thrombosis-on-pulmonary-endothelial-injury-and-repair-following-sepsis
#17
Colin Evans, You-Yang Zhao
The prevailing morbidity and mortality in sepsis are largely due to multiple organ dysfunction (MOD), most commonly lung injury, as well as renal and cardiac dysfunction. Despite recent advances in defining many aspects of the pathogenesis of sepsis-related MOD, including acute respiratory distress syndrome (ARDS), there are currently no effective pharmacological or cell-based treatments for the disease. Human and animal studies have shown that pulmonary thrombosis is common in sepsis-induced ARDS, and pre-clinical studies have shown that anti-coagulation may improve outcome following sepsis challenge...
January 27, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28128624/symmetry-protection-of-critical-phases-and-a-global-anomaly-in-1-1-dimensions
#18
Shunsuke C Furuya, Masaki Oshikawa
We derive a selection rule among the (1+1)-dimensional SU(2) Wess-Zumino-Witten theories, based on the global anomaly of the discrete Z_{2} symmetry found by Gepner and Witten. In the presence of both the SU(2) and Z_{2} symmetries, a renormalization-group flow is possible between level-k and level-k^{'} Wess-Zumino-Witten theories only if k≡k^{'} mod 2 . This classifies the Lorentz-invariant, SU(2)-symmetric critical behavior into two "symmetry-protected" categories corresponding to even and odd levels, restricting possible gapless critical behavior of translation-invariant quantum spin chains...
January 13, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28127437/effect-of-extracorporeal-cytokine-removal-on-vascular-barrier-function-in-a-septic-shock-patient
#19
Sascha David, Kristina Thamm, Bernhard M W Schmidt, Christine S Falk, Jan T Kielstein
BACKGROUND: Sepsis and septic shock are major healthcare problems, affecting millions of individuals around the world each year. Pathophysiologically, septic multiple organ dysfunction (MOD) is a life-threatening condition caused by an overwhelming systemic inflammatory response of the host's organism to an infection. We experimentally tested if high circulating cytokine levels might increase vascular permeability-a critical hallmark of the disease-and if this phenomenon can be reversed by therapeutic cytokine removal (CytoSorb®) in an exemplary patient...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/28118112/development-of-a-novel-murine-model-of-combined-radiation-and-peripheral-tissue-trauma-injuries
#20
Vlado Antonic, Isabel L Jackson, Gurung Ganga, Terez Shea-Donohue, Zeljko Vujaskovic
Detonation of a 10-kiloton nuclear bomb in an urban setting would result in >1 million casualties, the majority of which would present with combined injuries. Combined injuries, such as peripheral tissue trauma and radiation exposure, trigger inflammatory events that lead to multiple organ dysfunction (MOD) and death, with gastrointestinal (GI) and pulmonary involvement playing crucial roles. The objective of this study was to develop an animal model of combined injuries, peripheral tissue trauma (TBX animal model) combined with total body irradiation with 5% bone marrow shielding (TBI/BM5) to investigate if peripheral tissue trauma contributes to reduced survival...
January 24, 2017: Radiation Research
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