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https://www.readbyqxmd.com/read/28645775/altered-populations-of-natural-killer-cells-cytotoxic-t-lymphocytes-and-regulatory-t-cells-in-major-depressive-disorder-association-with-sleep-disturbance
#1
Hideo Suzuki, Jonathan Savitz, T Kent Teague, Siva K Gandhapudi, Chibing Tan, Masaya Misaki, Brett A McKinney, Michael R Irwin, Wayne C Drevets, Jerzy Bodurka
A subset of individuals with major depressive disorder (MDD) have impaired adaptive immunity characterized by a greater vulnerability to viral infection and a deficient response to vaccination along with a decrease in the number and/or activity of T cells and natural killer cells (NKC). Nevertheless, it remains unclear which specific subsets of lymphocytes are altered in MDD, a shortcoming we address here by utilizing an advanced fluorescence-activated cell sorting (FACS) method that allows for the differentiation of important functionally-distinct lymphocyte sub-populations...
June 20, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28642910/influence-of-abutment-design-on-retention-of-metal-copings-cemented-to-implants
#2
Albano Porto da Cunha, Glauco Pereira Moysés, Ana Christina Claro Neves, Rafael Pino Vitti, Flávia Cardoso da Rosa Goulart, Laís Regiane da Siva-Concílio
Objective The study evaluated the influence of abutment design on the retention of implant-cemented metal copings. Material and methods Two abutments of the same system with the same indications, height and the total occlusal convergence, but of different designs were evaluated. Ten RN synOcta abutments (Straumann, Waltham, MA) and ten RN titanium solid abutments (Straumann, Waltham, MA) were tightened to 35 Ncm on 20 implant analogs previously placed in resin blocks. Twenty plastic burnout copings were waxed, included, cast and machined by a single operator...
December 2016: Acta Biomaterialia Odontologica Scandinavica
https://www.readbyqxmd.com/read/28640727/urology-study-day-leeds-2016
#3
Carmel Ramage, Magda Kujawa, Siva Namasivayam, Ania Swann, Neil Wigglesworth, Catherine Heavens, Claire Finan
Last year, urology nurses and continence nurse specialists took part in the second of two study days on urology. The events were delivered by the British Journal of Nursing with programme support in association with the British Association of Urology Nurses and Hollister Inc. Below are reports of some of the presentations.
June 22, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28634640/the-microbiome-of-eucalyptus-roots-under-different-management-conditions-and-its-potential-for-biological-nitrogen-fixation
#4
Eduardo da Siva Fonseca, Raquel Silva Peixoto, Alexandre Soares Rosado, Fabiano de Carvalho Balieiro, James M Tiedje, Caio Tavora Coelho da Costa Rachid
Eucalyptus plantations offer a cost-effective and renewable source of raw material. There is substantial interest in improving forestry production, especially through sustainable strategies such as the use of plant growth-promoting bacteria. However, little is known about Eucalyptus microbiology. In this study, the endophytic bacterial community was assessed in Eucalyptus urograndis roots using culture-dependent and culture-independent techniques with plants grown under different conditions. Three phyla accounted for approximately 95% of the community, with Actinobacteria corresponding to approximately 59%...
June 21, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28631740/radiotherapy-for-renal-cell-carcinoma-renaissance-of-an-overlooked-approach
#5
REVIEW
Shankar Siva, Gargi Kothari, Alexander Muacevic, Alexander V Louie, Ben J Slotman, Bin S Teh, Simon S Lo
Conventional radiotherapy previously had a limited role in the definitive treatment of renal cell carcinoma (RCC), owing to the disappointing outcomes of several trials and the perceived radioresistance of this type of cancer. In this context, radiotherapy has been relegated largely to the palliation of symptoms in patients with metastatic disease, with variable rates of response. Following the availability of newer technologies that enable safe delivery of high-dose radiotherapy, stereotactic ablative radiotherapy (SABR) has become increasingly used in patients with RCC...
June 20, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28630829/are-we-justified-doing-salvage-or-amputation-procedure-based-on-mangled-extremity-severity-score-in-mangled-upper-extremity-injury
#6
R Siva Kumar, Prahalad Kumar Singhi, M Chidambaram
INTRODUCTION: Mangled upper limb injuries are at surge because of industrialization, modernization, and severe motor vehicle accidents. The utility of various scoring systems are meant for decision making in mangled lower limb injuries, and the same have been extrapolated for mangled upper limb injuries to make a decision of salvage or amputation for the lack of separate scoring system. MATERIALS AND METHODS: We applied mangled extremity severity score (MESS) and mangled extremity syndrome index (MESI) scoring systems to 10 cases of mangled upper limb injuries during the period of November 2010 to September 2012 presented at our tertiary trauma care center...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28615013/short-term-poor-glycemic-control-and-retinal-microvascular-changes-in-pediatric-type-1-diabetes-patients-in-singapore-a-pilot-study
#7
Ling-Jun Li, Ecosse Lamoureux, Tien Yin Wong, Ngee Lek
BACKGROUND: Poor glycemic control in Type 1 Diabetes (T1D) patients is strongly associated with an increased risk of diabetes-related microvascular complications later in life, but it is unclear whether short period of poor glycemic control in children with T1D can cause evident microvascular morphological changes long before any pathological manifestation. Our study aimed to investigate the longitudinal association between poor glycemic control and subsequent changes in retinal microvasculature, in a pilot study of 55 pediatric T1D patients from Singapore after a one-year follow-up...
June 15, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28610928/kinetic-and-biophysical-characterization-of-a-lysosomal-%C3%AE-l-fucosidase-from-the-fresh-water-mussel-lamellidens-corrianus
#8
A Venugopal, C Sudheer Kumar, Nadimpalli Siva Kumar, Musti J Swamy
Kinetic and biophysical studies have been carried out on a lysosomal α-l-fucosidase purified from the fresh water mussel, Lamellidens corrianus. The enzyme migrates as a single band in SDS-PAGE as well as native PAGE corresponding to a Mr of 56kDa. Mass spectrometric analysis yielded a molecular mass of 56175.1Da for the enzyme, and peptide mass fingerprinting studies showed that it shares sequence homology with other fucosidases. Zymogram analysis showed that the α-l-fucosidase hydrolyzed 4-methyl umbelliferyl α-l-fucopyranoside...
June 10, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28594867/gene-essentiality-conservation-index-and-co-evolution-of-genes-in-cyanobacteria
#9
Gopi Siva Sai Tiruveedula, Pramod P Wangikar
Cyanobacteria, a group of photosynthetic prokaryotes, dominate the earth with ~ 1015 g wet biomass. Despite diversity in habitats and an ancient origin, cyanobacterial phylum has retained a significant core genome. Cyanobacteria are being explored for direct conversion of solar energy and carbon dioxide into biofuels. For this, efficient cyanobacterial strains will need to be designed via metabolic engineering. This will require identification of target knockouts to channelize the flow of carbon toward the product of interest while minimizing deletions of essential genes...
2017: PloS One
https://www.readbyqxmd.com/read/28592678/the-route-of-infection-determines-wolbachia-antibacterial-protection-in-drosophila
#10
Vanika Gupta, Radhakrishnan B Vasanthakrishnan, Jonathon Siva-Jothy, Katy M Monteith, Sam P Brown, Pedro F Vale
Bacterial symbionts are widespread among metazoans and provide a range of beneficial functions. Wolbachia-mediated protection against viral infection has been extensively demonstrated in Drosophila. In mosquitoes that are artificially transinfected with Drosophila melanogaster Wolbachia (wMel), protection from both viral and bacterial infections has been demonstrated. However, no evidence for Wolbachia-mediated antibacterial protection has been demonstrated in Drosophila to date. Here, we show that the route of infection is key for Wolbachia-mediated antibacterial protection...
June 14, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28584076/frontline-science-aspirin-triggered-resolvin-d1-controls-herpes-simplex-virus-induced-corneal-immunopathology
#11
Naveen K Rajasagi, Siddheshvar Bhela, Siva Karthik Varanasi, Barry T Rouse
Stromal keratitis (SK) is a chronic immunopathological lesion of the eye, caused by HSV-1 infection, and a common cause of vision impairment in humans. The inflammatory lesions in the cornea are primarily caused by neutrophils with the active participation of CD4(+) T cells. Therefore, the targeting of these immune cell types and their products represents a potentially valuable form of therapy to reduce the severity of disease. Resolvin D1 (RvD1) and its epimer aspirin-triggered RvD1 (AT-RvD1) are lipid mediators derived from docosahexaenoic acid (DHA) and were shown to promote resolution in several inflammatory disease models...
June 5, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28577830/stereotactic-ablative-body-radiotherapy-for-lung-metastases-where-is-the-evidence-and-what-are-we-doing-with-it
#12
REVIEW
Shankar Siva, Ben J Slotman
This review provides an overview of the use of stereotactic ablative body radiotherapy (SABR) for pulmonary metastases. The local control rates after SABR are generally >90%. Whether this also translates into a significant improvement in overall survival is the subject of ongoing studies. New exciting opportunities including the integration of SABR with targeted and immune therapies as well as some competing treatment strategies are discussed.
July 2017: Seminars in Radiation Oncology
https://www.readbyqxmd.com/read/28574306/impact-of-mannanase-producing-bacillus-spp-on-the-accuracy-of-the-3m-petrifilm-aerobic-count-method
#13
Guoping Feng, Amanda Hew, Ramesh Manoharan, Siva Subramanian
Consistent deviations of the 3M Petrifilm aerobic counts (AC) from the standard pour plate aerobic plate count (APC) were observed with dehydrated onion and garlic products. A large study was designed to determine the relationship of these two methods and the root cause for the deviations. A total of 3,800 dehydrated onion and garlic samples were analyzed by both the Petrifilm AC and the standard pour plate APC method. Large spreader-like liquefied areas were observed on numerous Petrifilm plates. These liquefied areas made enumeration inaccurate...
June 2, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28571343/spherical-harmonics-based-descriptor-for-neural-network-potentials-structure-and-dynamics-of-au147-nanocluster
#14
Shweta Jindal, Siva Chiriki, Satya S Bulusu
We propose a highly efficient method for fitting the potential energy surface of a nanocluster using a spherical harmonics based descriptor integrated with an artificial neural network. Our method achieves the accuracy of quantum mechanics and speed of empirical potentials. For large sized gold clusters (Au147), the computational time for accurate calculation of energy and forces is about 1.7 s, which is faster by several orders of magnitude compared to density functional theory (DFT). This method is used to perform the global minimum optimizations and molecular dynamics simulations for Au147, and it is found that its global minimum is not an icosahedron...
May 28, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28561044/engineered-clearing-agents-for-the-selective-depletion-of-antigen-specific-antibodies
#15
Siva Charan Devanaboyina, Priyanka Khare, Dilip K Challa, Raimund J Ober, E Sally Ward
Here we have designed a novel class of engineered antibody-based reagents ('Seldegs') that induce the selective degradation of antigen-specific antibodies. We demonstrate the rapid and specific clearance of antibodies recognizing the autoantigen, myelin oligodendrocyte glycoprotein and tumour target, HER2. Seldegs have considerable potential in multiple areas, including the treatment of antibody-mediated autoimmunity and diagnostic imaging.
May 31, 2017: Nature Communications
https://www.readbyqxmd.com/read/28559151/generic-imatinib-in-chronic-myeloid-leukemia-survival-of-the-cheapest
#16
Madhav Danthala, Sadashivudu Gundeti, Siva Prasad Kuruva, Krishna Chaitanya Puligundla, Praveen Adusumilli, Ashok Pillai Karnam, Stalin Bala, Meher Lakshmi Konatam, Lakshmi Srinivas Maddali, Raghunadha Rao Digumarti
INTRODUCTION: The patent expiration of imatinib mesylate (Gleevec; Novartis) on February 1, 2016, has brought the focus back on generic versions of the drug, and an opportunity to provide a safe and cost-effective alternative. The objective of our study was to determine the molecular and cytogenetic responses, survival endpoints (event-free survival, failure-free survival, transformation-free survival, overall survival), and safety of innovator and generic brands of imatinib. MATERIALS AND METHODS: In this retrospective analysis, data from 1812 patients with chronic myeloid leukemia treated with frontline imatinib mesylate (innovator/generic) at a single institution between 2008 and 2014 is included...
May 10, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28557465/inverted-hysteresis-in-ch3nh3pbi3-solar-cells-role-of-stoichiometry-and-band-alignment
#17
Heping Shen, Daniel A Jacobs, Yiliang Wu, The Duong, Jun Peng, Xiaoming Wen, Xiao Fu, Siva K Karuturi, Thomas P White, Klaus Weber, Kylie R Catchpole
J-V hysteresis in perovskite solar cells is known to be strongly dependent on many factors ranging from the cell structure to the preparation methods. Here we uncover one likely reason for such sensitivity by linking the stoichiometry in pure CH3NH3PbI3 (MAPbI3) perovskite cells with the character of their hysteresis behavior through the influence of internal band offsets. We present evidence indicating that in some cells the ion accumulation occurring at large forward biases causes a temporary and localized increase in recombination at the MAPbI3/TiO2 interface, leading to inverted hysteresis at fast scan rates...
June 15, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28549700/trimodality-therapy-for-esophageal-squamous-cell-carcinoma-is-it-really-a-medical-palindrome
#18
EDITORIAL
Usman Ahmad, Sudish C Murthy, Siva Raja
No abstract text is available yet for this article.
April 3, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28545532/cytotoxicity-of-the-methanol-extracts-of-elephantopus-mollis-kalanchoe-crenata-and-4-other-cameroonian-medicinal-plants-towards-human-carcinoma-cells
#19
Victor Kuete, Fabrice W Fokou, Oğuzhan Karaosmanoğlu, Veronique P Beng, Hülya Sivas
BACKGROUND: Cancer still constitutes one of the major health concerns globally, causing serious threats on patients, their families, and the healthcare system. METHODS: In this study, the cytotoxicity of the methanol extract of Elephantopus mollis whole plant (EMW), Enantia chlorantha bark (ECB), Kalanchoe crenata leaves (KCL), Lophira alata bark (LAB), Millettia macrophylla leaves (MML) and Phragmanthera capitata leaves (PCL) towards five human solid cancer cell lines and normal CRL2120 fibroblasts, was evaluated...
May 25, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28543771/right-ventricular-pacemaker-lead-position-is-associated-with-differences-in-long-term-outcomes-and-complications
#20
Chance M Witt, Charles J Lenz, Henry H Shih, Elisa Ebrille, Andrew N Rosenbaum, Martin van Zyl, Htin Aung, Kevin K Manocha, Abhishek J Deshmukh, David O Hodge, Siva K Mulpuru, Yong-Mei Cha, Raul E Espinosa, Samuel J Asirvatham, Christopher J Mcleod
INTRODUCTION: Cardiac pacing from the right ventricular apex is associated with detrimental long-term effects and nonapical pacing locations may be associated with improved outcomes. There is little data regarding complications with nonapical lead positions. The aim of this study was to assess long-term outcomes and lead-related complications associated with differing ventricular lead tip position. METHODS AND RESULTS: All adult patients who underwent dual-chamber pacemaker implantation from 2004 to 2014 were included if they had postprocedure chest radiographs amenable to lead position determination...
May 24, 2017: Journal of Cardiovascular Electrophysiology
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