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Bruce P Waxman
No abstract text is available yet for this article.
November 2016: ANZ Journal of Surgery
Li Cheng, Jun Zhang, Xin-Yi Li, Li Yuan, Yan-Fang Pan, Xiao-Rong Chen, Tian-Ming Gao, Jian-Tian Qiao, Jin-Shun Qi
Amyloid β protein (Aβ) plays a critical role in pathogenesis of Alzheimer's disease (AD). Our previous studies indicated that the sequence 31-35 in Aβ molecule is an effective active center responsible for Aβ neurotoxicity in vivo and in vitro. In the present study, we prepared a novel antibody specifically targeting the sequence 31-35 of amyloid β protein, and investigated the neuroprotection of the anti-Aβ31-35 antibody against Aβ1-42 -induced impairments in neuronal viability, spatial memory, and hippocampal synaptic plasticity in rats...
October 26, 2016: Hippocampus
Ekkehard Grünig, Nicola Benjamin, Tobias J Lange, Ulrich Krueger, Hans Klose, Claus Neurohr, Heinrike Wilkens, Michael Halank, Hans-Jürgen Seyfarth, Matthias Held, Andrew Traube, Michelle Pernow, E Robert Grover, Benjamin Egenlauf, Felix Gerhardt, Thomas Viethen, Stephan Rosenkranz
BACKGROUND: Subcutaneous treprostinil has dose-dependent beneficial effects in patients with severe pulmonary arterial hypertension, but adverse effects like infusion site pain can lead to treatment discontinuation. OBJECTIVES: The objective of this study was to evaluate safety, tolerability and clinical effects of a rapid up-titration dosing regimen of subcutaneous treprostinil using proactive infusion site pain management. METHODS: Effects of rapid up-titration dosing regimen on tolerability and clinical parameters were evaluated in this 16-week, open-label multi-centre study...
October 27, 2016: Respiration; International Review of Thoracic Diseases
Richard Gale, Jean-Francois Korobelnik, Yit Yang, Tien Y Wong
PURPOSE: This retrospective review examined visual acuity (VA) in subjects with neovascular age-related macular degeneration and identified early and delayed response to ranibizumab. PROCEDURES: MARINA, ANCHOR, HARBOR, and CATT published data were examined for response with monthly versus individualized dosing and predictors of early versus delayed response. RESULTS: Data were available for 1,631 subjects; 18-29% were early gainers and 15-16% were delayed gainers...
October 27, 2016: Ophthalmologica. Journal International D'ophtalmologie
Kwangwoo Park, Sungjin Park, Mi-Jin Jeon, Jinhyun Choi, Jun Won Kim, Yoon Jin Cho, Won-Seok Jang, Yo Sup Keum, Ik Jae Lee
The 3D-printed boluses were used during the radiation therapy of the chest wall in six patients with breast cancer after modified radical mastectomy (MRM). We measured the in-vivo skin doses while both conventional and 3D-printed boluses were placed on the chest wall and compared the mean doses delivered to the ipsilateral lung and the heart. The homogeneity and conformity of the dose distribution in the chest wall for both types of boluses were also evaluated. The uniformity index on the chest skin was improved when the 3D-printed boluses were used, with the overall average skin dose being closer to the prescribed one in the former case (-0...
October 23, 2016: Oncotarget
Shyam Nyati, Areeb Chator, Katerina Schinske, Brandon S Gregg, Brian Dale Ross, Alnawaz Rehemtulla
The sterile alpha motif and leucine zipper containing kinase ZAK (AZK, MLT, MLK7), is a MAPK-kinase kinase (MKKK). Like most MAPKKKs which are known to activate the c-Jun. amino-terminal kinase (JNK) pathway, ZAK has been shown to participate in the transduction of Transforming growth factor-β (TGF-β)-mediated non-canonical signaling. A role for ZAK in SMAD-dependent, canonical TGF-β signaling has not been previously appreciated. Using a combination of functional genomics and biochemical techniques, we demonstrate that ZAK regulates canonical TGFβRI/II signaling in lung and breast cancer cell lines and may serve as a key node in the regulation of TGFBR kinase activity...
October 23, 2016: Translational Oncology
Min Ma, Fuwei Pi, Jiasheng Wang, Jian Ji, Xiulan Sun
Humans are most likely to be exposed to microcystins (MCs) combined with other water pollutants rather than to individual compounds through the consumption of contaminated drinking water or through recreational activities, such as swimming. However, the combined effects of MC-LR, estradiol (EST), and ractopamine (RAC) have not been extensively researched. The goal of this study was to investigate the combined effects of these compounds. For this purpose, cytotoxicity was evaluated in HepG2 cells treated with single or combined doses of MC-LR, EST, and RAC based on concentration addition (CA), independent action (IA), and Chou-Talalay's combination-index (CI) methods...
October 23, 2016: Chemosphere
S Rossini-Oliva, M D Mingorance, A Peña
The effect of the addition (0-10%) of two types of sewage sludge composts (composted sewage sludge [CS] and sewage sludge co-composted with olive prune wastes [CSO]) on a polymetallic acidic soil from the Riotinto mining area was evaluated by i) a soil incubation experiment and ii) a greenhouse pot experiment using tomato (Solanum lycopersicum Mill.), ryegrass (Lolium perenne L.) and ahipa (Pachyrhizus ahipa (Wedd.) Parodi). Compost addition improved the soil organic carbon content, increased the pH and the electrical conductivity and enhanced enzyme activities and soil respiration, more for CSO than for CS...
October 23, 2016: Chemosphere
Nilesh Chande, Cassandra M Townsend, Claire E Parker, John K MacDonald
BACKGROUND: The results from controlled clinical trials investigating the efficacy of azathioprine and 6-mercaptopurine for the treatment of active Crohn's disease have been conflicting and controversial. An updated meta-analysis was performed to assess the effectiveness of these drugs for the induction of remission in active Crohn's disease. OBJECTIVES: The primary objective was to determine the efficacy and safety of azathioprine and 6-mercaptopurine for induction of remission in active Crohn's disease...
October 26, 2016: Cochrane Database of Systematic Reviews
Ja Min Byun, Hea-Lim Kim, Dong-Yeop Shin, Youngil Koh, Sung-Soo Yoon, Moon-Woo Seong, Sung Sup Park, Jin Hee Kim, Yun-Gyoo Lee, Inho Kim
Pharmacogenomics can explain the inter-individual differences in response to drugs, including methotrexate (MTX) used for acute graft-versus-host disease (aGVHD) prophylaxis during hematopoietic stem cell transplantation (HSCT). In real-world practice, preplanned MTX dose is arbitrarily modified according to observed toxicity which can lead to unexpected and severe aGVHD development. We aimed to validate the influence of MTHFR C677T polymorphism on the outcomes of allogenic HSCT in a relatively under-represented homogenous Asian population...
2016: PloS One
Andrew D Haddow, Farooq Nasar, Hilda Guzman, Alongkot Ponlawat, Richard G Jarman, Robert B Tesh, Scott C Weaver
BACKGROUND: Zika virus (ZIKV) has extended its known geographic distribution to the New World and is now responsible for severe clinical complications in a subset of patients. While substantial genetic and vector susceptibility data exist for ZIKV, less is known for the closest related flavivirus, Spondweni virus (SPONV). Both ZIKV and SPONV have been known to circulate in Africa since the mid-1900s, but neither has been genetically characterized by gene and compared in parallel. Furthermore, the susceptibility of peridomestic mosquito species incriminated or suspected in the transmission of ZIKV to SPONV was unknown...
October 2016: PLoS Neglected Tropical Diseases
Alexandra Sufit, Alisa B Lee-Sherick, Deborah DeRyckere, Manali Rupji, Bhakti Dwivedi, Marileila Varella-Garcia, Angela M Pierce, Jeanne Kowalski, Xiaodong Wang, Stephen V Frye, H Shelton Earp, Amy K Keating, Douglas K Graham
BACKGROUND: MER receptor tyrosine kinase (MERTK) is expressed in a variety of malignancies, including glioblastoma multiforme (GBM). Our previous work demonstrated that inhibition of MERTK using RNA interference induced cell death and chemosensitivity in GBM cells, implicating MERTK as a potential therapeutic target. Here we investigate whether a novel MERTK-selective small molecule tyrosine kinase inhibitor, UNC2025, has similar anti-tumor effects in GBM cell lines. METHODS: Correlations between expression of GAS6, a MERTK ligand, and prognosis were determined using data from the TCGA database...
2016: PloS One
Douglas Matsunaga, Parameswaran G Sreekumar, Keijiro Ishikawa, Hiroto Terasaki, Ernesto Barron, Pinchas Cohen, Ram Kannan, David R Hinton
Humanin (HN) is a small mitochondrial-encoded peptide with neuroprotective properties. We have recently shown protection of retinal pigmented epithelium (RPE) cells by HN in oxidative stress; however, the effect of HN on endoplasmic reticulum (ER) stress has not been evaluated in any cell type. Our aim here was to study the effect of HN on ER stress-induced apoptosis in RPE cells with a specific focus on ER-mitochondrial cross-talk. Dose dependent effects of ER stressors (tunicamycin (TM), brefeldin A, and thapsigargin) were studied after 12 hr of treatment in confluent primary human RPE cells with or without 12 hr of HN pretreatment (1-20 μg/mL)...
2016: PloS One
Michel Tchuenche, Eurica Palmer, Vibhuti Haté, Ananthy Thambinayagam, Dayanund Loykissoonlal, Emmanuel Njeuhmeli, Steven Forsythe
Given compelling evidence associating voluntary medical male circumcision (VMMC) with men's reduced HIV acquisition through heterosexual intercourse, South Africa in 2010 began scaling up VMMC. To project the resources needed to complete 4.3 million circumcisions between 2010 and 2016, we (1) estimated the unit cost to provide VMMC; (2) assessed cost drivers and cost variances across eight provinces and VMMC service delivery modes; and (3) evaluated the costs associated with mobilize and motivate men and boys to access VMMC services...
2016: PloS One
Jashin J Wu, Annie Guerin, Genevieve Gauthier, Murali Sundaram
BACKGROUND: Adalimumab and ustekinumab are effective psoriasis treatments. This study compares healthcare resource utilization (HRU), costs and dose escalation, and describes starting dose trends in ustekinumab versus adalimumab psoriasis patients. METHODS: Adult psoriasis patients initiating adalimumab/ustekinumab on/after September 25, 2009 were selected from a US claims database and classified into biologic-naïve and biologic-experienced samples. RESULTS: 602 ustekinumab and 3,470 adalimumab biologic-naïve and 1,193 ustekinumab and 1,467 adalimumab biologic-experienced patients were included...
October 26, 2016: Journal of Dermatological Treatment
Rajeswaran Jagadeesan, Manoj K Nayak
BACKGROUND: Susceptibility to phosphine (PH3 ) and sulfuryl fluoride (SF) and cross resistance to SF were evaluated in two life stages (eggs and adults) of key grain insect pests, Rhyzopertha dominca (F.), Sitophilus oryzae (L.), Cryptolestes ferrugineus (Stephens), and Tribolium castaneum (Herbst). This study was performed with an aim to integrate SF into phosphine resistance management program in Australia. RESULTS: Characterisation of susceptibility and resistance to phosphine in eggs and adults showed that C...
October 26, 2016: Pest Management Science
Wei Qin, Feng Liu, Chen Wan
BACKGROUND AND AIMS: The role of Body Mass Index (BMI) for the prognosis of heart failure (HF) patients remains to be a great interest for a long time. However, the precise effect of dose-response for BMI and mortality risk in HF patients is still unclear. We conducted a dose-response meta-analysis to quantitatively assess the effect of BMI on all-cause mortality in subjects with HF. METHODS: Fourteen prospective cohort studies included 13508 death cases identified among 46794 HF patients...
October 26, 2016: Cardiovascular Therapeutics
Gleyce Moreno Barbosa, Eldio Gonçalves Dos Santos, Francielle Neves Carvalho Capella, Fortune Homsani, Carina de Pointis Marçal, Roberta Dos Santos Valle, Érika de Araújo Abi-Chacra, Lys Adriana Braga-Silva, Marcelo Henrique de Oliveira Sales, Inácio Domingos da Silva Neto, Venicio Feo da Veiga, André Luis Souza Dos Santos, Carla Holandino
Available treatments against human fungal pathogens present high levels of resistance, motivating the development of new antifungal therapies. In this context, the present work aimed to analyze direct electric current (DC) antifungal action, using an in vitro apparatus equipped with platinum electrodes. Candida albicans yeast cells were submitted to three distinct conditions of DC treatment (anodic flow-AF; electroionic flow-EIF; and cathodic flow-CF), as well as different charges, ranging from 0.03 to 2.40 C...
October 26, 2016: Bioelectromagnetics
Muna Sapkota, Kusum K Kharbanda, Todd A Wyatt
BACKGROUND: Reactive aldehydes such as acetaldehyde and malondialdehyde generated as a result of alcohol metabolism and cigarette smoke exposure lead to the formation of malondialdehyde-acetaldehyde-adducted proteins (MAA adducts). These aldehydes can adduct to different proteins such as bovine serum albumin and surfactant protein A or surfactant protein D (SPD). Macrophages play an important role in innate immunity, but the effect of MAA adducts on macrophage function has not yet been examined...
October 26, 2016: Alcoholism, Clinical and Experimental Research
Dhiviya Prabaa Muthuirulandi Sethuvel, Naveen Kumar Devanga Ragupathi, Shalini Anandan, Balaji Veeraraghavan
Shigellosis represents a major burden of disease in developing countries. A low infectious dose allows the disease to be spread effectively. Although shigellosis is mostly a self-limiting disease, antibiotics are recommended to reduce deaths, disease symptoms, and organism-shedding time. However, In India, antimicrobial resistance among the genus Shigella is more common than among any other enteric bacteria. Notably, new serotypes or subserotypes in Shigella are reported from various parts of the world. Identification of new subserotypes of Shigella spp is becoming a major issue as these strains are non-typeable by conventional serotyping...
October 26, 2016: Letters in Applied Microbiology
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