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Latest Paper:
Department of Anesthesiology, Section of Critical Care Medicine, Naval Medical Center Portsmouth, Portsmouth, Virginia 23708, USA. richard.gist@med.navy.mi
Nephrogenic sclerosing fibrosis (dermopathy) is a relatively rare complication of long-term renal dialysis. The syndrome includes marked thickening of the skin and diffuse fibrosis of fascia, muscle, heart, and lungs, leading to contractures of the joints and limbs and cardiopulmonary compromise. We present the case of a 29-year-old woman who required emergent intubation because of respiratory compromise, and who had had normal airway examinations and intubations before the onset of nephrogenic sclerosing fibrosis symptoms.
1Department of Exercise Science, Arnold School of Public Health, University of South Carolina, Columbia, SC 2Prevention Research Center, Arnold School of Public Health, University of South Carolina, Columbia, SC 3Preventive Medicine Laboratory, Pennington Biomedical Research Center, Baton Rouge, LA 4Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, SC.
PURPOSE:: To examine the relationship between two sedentary behaviors (riding in car and watching television) and cardiovascular disease (CVD) mortality in men in the Aerobics Center Longitudinal Study. METHODS:: Participants were 7,744 men (20-89 yr) initially free of CVD who returned a mail-back survey during 1982. Time spent watching TV and riding in a car were reported. Mortality data were ascertained through the National Death Index till Dec 31, 2003. Cox regression analysis quantified the association between sedentary behaviors (hr/wk watching television, hr/wk riding in car, total hr/wk in these two behaviors) and CVD mortality rates. RESULTS:: 377 CVD deaths occurred during 21 years of follow-up. After age-adjustment, time riding in a car and combined time spent in these two sedentary behaviors were positively (p trend <.001) associated with CVD death. Men who reported >10 hrs/wk riding in a car or >23 hr/wk of combined sedentary behavior had 82% and 64% greater risk of dying from CVD than those who reported <4 hr/wk or <11 hr/wk, respectively. The pattern of the association did not materially change after multivariate adjustment. Regardless of the amount of sedentary activity reported by these men, being older, normal weight, normotensive, and physically active was associated with a reduced risk of CVD death. CONCLUSION:: In men, riding in a car and combined time spent in these two sedentary behaviors were significant CVD mortality predictors. Additionally, high levels of physical activity were related to notably lower rates of CVD death even in the presence of high levels of sedentary behavior. Health promotion efforts targeting physically inactive men should emphasize both reducing sedentary activity and increasing regular physical activity for optimal cardiovascular health.
University of Pittsburgh, Pittsburgh, PA, USA.
The disruption that occurs in response to reading about implausible events in unambiguous sentences can be informative about the time course of semantic interpretation (e.g., Hagoort, Hald, Bastiaansen,& Petersson, 2004; Nieuwland & Van Berkum, 2006; Warren & McConnell, 2007). Two eye-tracking studies used implausible sentences to investigate whether local factors like the structural relationships and the distance between words cueing a plausibility violation influence how quickly those words are integrated into a global semantic interpretation. Experiment 1 suggested that eye-movement disruption was unaffected by the number of words intervening between the words cueing the implausibility. Experiment 2 demonstrated that eye-movement disruption to implausibility occurred along the same time course regardless of whether the words cueing the implausibility were in a theta-assigning relation or not. These results suggest that these local structural factors do not influence how quickly new words are integrated into a semantic representation, but rather the global event representation determines the time course over which implausibility is detected.
M Javad Aman,
Michael S Kinch,
Kelly Warfield,
Travis Warren,
Abdul Yunus,
Sven Enterlein,
Eric Stavale,
Peifang Wang,
Shaojing Chang,
Qingsong Tang,
Kevin Porter,
Michael Goldblatt,
Sina Bavari
United States Army Medical Research Institute for Infectious Diseases, Fort Detrick, MD, USA, 21702.
We report herein the identification of a small molecule therapeutic, FGI-106, which displays potent and broad spectrum inhibition of lethal viral hemorrhagic fevers pathogens, including Ebola, Rift Valley and Dengue Fever viruses, in cell-based assays. Using mouse models of Ebola virus, we further demonstrate that FGI-106 can protect animals from an otherwise lethal infection when used either in a prophylactic or therapeutic setting. A single treatment, administered one day after infection, is sufficient to protect animals from lethal Ebola virus challenge. Cell-based assays also identified inhibitory activity against divergent virus families, which supports a hypothesis that FGI-106 interferes with a common pathway utilized by different viruses. These findings suggest FGI-106 may provide an opportunity for targeting viral diseases.
Department of Veterinary Pathology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada.
1. Objectives. To validate the whole blood chemiluminescence (WBCL) assay in chickens, a simple and rapid method of measuring production of reactive oxygen species by circulating polymorphonuclear (PMN) leukocytes. To determine the physiological response and innate immune response associated with oral challenge with Clostridium perfringens in broiler chickens under different nutritional conditions. 2. In Experiment 1, birds were orally challenged with C. perfringens 1. type A or sham-challenged saline on days 14-21 post-hatch and fed protein-balanced diets containing 160 or 180 g crude protein/kg and 0.98 or 1.75% glycine in a 2 x 2 x 2 factorial arrangement of treatments. 2. Challenged birds had higher WBCL responses and more severe intestinal lesions than unchallenged birds. Birds fed diets containing 1.75% glycine had more intestinal lesions than those fed 0.98% glycine. 3. In Experiment 2 birds were fed protein-balanced diets containing 0.76, 2.10, 3.43 or 4.77% glycine. The birds fed 0.76% glycine diet had lower WBCL responses compared to birds fed the other three diets. Intestinal lesions were worse in the birds fed the highest, 4.77% glycine diet than in those fed the 0.76 or 2.10% glycine diets. 4. We conclude that the WBCL assay is a practical and sensitive means of assessing innate immune function in birds. The results suggest that both bacterial challenge and glycine content of chickens' diet influence their lesion scores and innate immune function.
University of Pittsburgh, Learning Research and Development Center, 3939 O'Hara St., Pittsburgh, PA 15206, United States.
Wrap-up effects in reading have traditionally been thought to reflect increased processing associated with intra- and inter-clause integration (Just, M. A.& Carpenter, P. A.(1980). A theory of reading: From eye fixations to comprehension. Psychological Review,87(4), 329-354; Rayner, K., Kambe, G.,& Duffy, S. A.(2000). The effect of clause wrap-up on eye movements during reading. The Quarterly Journal of Experimental Psychology,53A(4), 1061-1080; cf. Hirotani, M., Frazier, L.,& Rayner, K.(2006). Punctuation and intonation effects on clause and sentence wrap-up: Evidence from eye movements. Journal of Memory and Language,54, 425-443). We report an eye-tracking experiment with a strong manipulation of integrative complexity at a critical word that was either sentence-final, ended a comma-marked clause, or was not comma-marked. Although both complexity and punctuation had reliable effects, they did not interact in any eye-movement measure. These results as well as simulations using the E-Z Reader model of eye-movement control (Reichle, E. D., Warren, T.,& McConnell, K.(2009). Using E-Z Reader to model the effects of higher-level language processing on eye movements during reading. Psychonomic Bulletin & Review,16(1), 1-20) suggest that traditional accounts of clause wrap-up are incomplete.
University of Pittsburgh, Pittsburgh, Pennsylvania.
Although computational models of eye-movement control during reading have been used to explain how saccadic programming, visual constraints, attention allocation, and lexical processing jointly affect eye movements during reading, these models have largely ignored the issue of how higher level, postlexical language processing affects eye movements. The present article shows how one of these models, E-Z Reader (Pollatsek, Reichle,& Rayner, 2006c), can be augmented to redress this limitation. Simulations show that with a few simple assumptions, the model can account for the fact that effects of higher level language processing are not observed on eye movements when such processing is occurring without difficulty, but can capture the patterns of eye movements that are observed when such processing is slowed or disrupted.
Lore M Gruenbaum,
Racheline Schwartz,
Joseph R Woska Jr,
Rodney P Deleon,
Gregory W Peet,
Thomas C Warren,
Alison Capolino,
Lisa Mara,
Maurice M Morelock,
Anthony Shrutkowski,
Jessi W Jones,
Christopher A Pargellis
Drug Discovery Support, Boehringer Ingelheim Pharmaceuticals, Research and Development Center 6-4, 900 Ridgebury Road, P.O. Box 368, Ridgefield, CT 06877, United States.
The characterization of the potent p38 inhibitor BIRB796 as a dual inhibitor of p38/Jun N-terminal kinases (JNK) mitogen-activated protein kinases (EC 2.7.11.24) has complicated the interpretation of its reported anti-inflammatory activity. To better understand the contribution of JNK2 inhibition to the anti-inflammatory activities of BIRB796, we explored the relationship between the effects of BIRB796 and analogues on cytokine production and on cellular p38 and JNK signaling. We determined the binding affinity for BIRB796 and structural analogues to p38alpha and JNK2 and characterized compound 2 as a p38 inhibitor that binds to p38alpha with an affinity equivalent to BIRB796 but does not bind to any of the JNK isoforms. High-content imaging enabled us to show that the inhibition of p38 signaling by BIRB796 and analogues correlates with the ability of these compounds to inhibit the lipopolysaccharide (LPS)-induced TNF-alpha production in THP-1 monocytes. This finding was extended to cytokine release by disease-relevant human primary cells: to the production of TNF-alpha by peripheral blood mononuclear cells, and of IL-8 by neutrophils. Furthermore, BIRB796 and compound 2 inhibited the production of TNF-alpha in THP-1 monocytes and the IL-12/L-18-induced production of interferon-gamma in human T-cells with similar potencies. In contrast, cellular JNK signaling in response to cytokines or stress stimuli was only weakly inhibited by BIRB796 and analogues and not affected by compound 2. In summary, our data suggest that p38 inhibition alone is sufficient to completely suppress cytokine production and that the added inhibition of JNK2 does not significantly contribute to the effects of BIRB796 on cytokine production.
An electron-rich nickel(I) beta-diketiminate cleaves the E-NO bond of O-, S-, and N-organonitroso species to give the nickel nitrosyl [Me 3NN]NiNO along with dimeric nickel(II) alkoxide or thiolate complexes {[Me 3NN]Ni} 2(mu-E) 2 or the mononuclear nickel(II) amide [Me 3NN]NiNPh 2. This diamagnetic three-coordinate amide exhibits temperature-dependent NMR spectra due to a low-lying triplet state.
Department of Psychology.
Plausibility violations resulting in impossible scenarios lead to earlier and longer lasting eye movement disruption than violations resulting in highly unlikely scenarios (K. Rayner, T. Warren, B. J. Juhasz,& S. P. Liversedge, 2004; T. Warren & K. McConnell, 2007). This could reflect either differences in the timing of availability of different kinds of information (e.g., selectional restrictions, world knowledge, and context) or differences in their relative power to guide semantic interpretation. The authors investigated eye movements to possible and impossible events in real-world and fantasy contexts to determine when contextual information influences detection of impossibility cued by a semantic mismatch between a verb and an argument. Gaze durations on a target word were longer to impossible events independent of context. However, a measure of the time elapsed from first fixating the target word to moving past it showed disruption only in the real-world context. These results suggest that contextual information did not eliminate initial disruption but moderated it quickly thereafter.(PsycINFO Database Record (c) 2008 APA, all rights reserved).
